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CN109788553A - A kind of bandwidth switching method and device - Google Patents

A kind of bandwidth switching method and device Download PDF

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Publication number
CN109788553A
CN109788553A CN201711106457.0A CN201711106457A CN109788553A CN 109788553 A CN109788553 A CN 109788553A CN 201711106457 A CN201711106457 A CN 201711106457A CN 109788553 A CN109788553 A CN 109788553A
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CN
China
Prior art keywords
time
bwp
terminal device
target
instruction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711106457.0A
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Chinese (zh)
Inventor
张兴炜
冯淑兰
唐臻飞
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN201711106457.0A priority Critical patent/CN109788553A/en
Priority to PCT/CN2018/107100 priority patent/WO2019091233A1/en
Publication of CN109788553A publication Critical patent/CN109788553A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

A kind of bandwidth switching method and device, to the scheme for solving the problems, such as to lack the BWP for efficiently switching activation in the prior art.The bandwidth switching method includes: that terminal device receives the Downlink Control Information DCI that the network equipment is sent, the DCI includes the first instruction information and second indication information, the first instruction information is used to indicate the terminal device transmission objectives data, which is used to indicate the terminal device and the portions of bandwidth BWP of activation is switched to target BWP；The terminal device is switched to target BWP according to the second indication information, by the BWP of activation.

Description

A kind of bandwidth switching method and device
Technical field
This application involves information technology field more particularly to a kind of bandwidth switching methods and device.
Background technique
At the new wireless access technology of 5G (5th Generation New Radio Access Technology, 5G NR) In, single carrier bandwidth can achieve 400MHz, can be several by single carrier bandwidth partition to make full use of bandwidth resources Portions of bandwidth (bandwidth part, BWP), the network equipment can give the multiple portions of bandwidth of terminal equipment configuration, and indicate end End equipment activates one of BWP.
But the prior art lacks the scheme for efficiently switching the BWP of activation.
Summary of the invention
The application provides a kind of bandwidth switching method and device, to solve to lack in the prior art efficiently switching activation BWP scheme the problem of.
In a first aspect, the application provides a kind of bandwidth switching method, the logical of portions of bandwidth BWP can be divided into applied to bandwidth Letter system, this method comprises: terminal device receives the Downlink Control Information DCI that the network equipment is sent, which can pass through physics Down control channel (physical downlink control channel, PDCCH) is sent, and DCI includes the first instruction information And second indication information, the first instruction information is used to indicate the terminal device transmission objectives data, for example, instruction is eventually End equipment receives the target data that the network equipment is sent by physical down channel, alternatively, instruction terminal equipment is by physically Row channel sends target data to the network equipment, alternatively, instruction terminal equipment passes through physics side chain channel to other terminal devices Send target data；The second indication information is used to indicate the terminal device and the portions of bandwidth BWP of activation is switched to mesh BWP is marked, for example, the downlink BWP of activation is switched to target downlink BWP by instruction terminal equipment, alternatively, instruction terminal equipment will swash Uplink BWP living is switched to target uplink BWP, alternatively, the BWP of the side link direction of activation is switched to target BWP by instruction.Institute Terminal device is stated according to the second indication information, the BWP of activation is switched to the target BWP.In above-mentioned technical proposal, net Network equipment can send DCI to terminal device, and not only dispatch terminal equipment carried out data transmission, but also the switching activation of instruction terminal equipment BWP, due to realizing that data dispatch and BWP switching instruction, efficiency are higher simultaneously by DCI.
In some implementations of first aspect, the first instruction information is specifically used for indicating that the terminal device exists Target data is transmitted on first direction, the second indication information is specifically used for indicating the terminal device by the first direction The BWP of upper activation is switched to target BWP, and the first direction is up direction, down direction or side link direction.Due to can be with Realize that unidirectional data dispatch and BWP switching instruction, efficiency are higher simultaneously by a DCI.
In some implementations of first aspect, after the terminal device receives the DCI, the terminal device According to it is described first instruction information, it is described first instruction information instruction first time, transmit institute in said first direction State target data.This can be indicated at the first time by the time sequence parameter in the first instruction information, alternatively, the first instruction information can also Default with the value for not including the time sequence parameter or the time sequence parameter, terminal device can be using preset duration as reception DCI's Time and the terminal device time interval between the first time of transmission objectives data in a first direction.
In some implementations of first aspect, the terminal device is according to the second indication information, at second Between the BWP activated on the first direction is switched to the target BWP.Second time can be by second indication information Time sequence parameter instruction, alternatively, second indication information can not also include the time sequence parameter or the time sequence parameter value it is default, Terminal device can using preset duration as receive DCI time with by the BWP of activation be switched to target BWP the second time it Between time interval.Alternatively, second indication information does not include the time sequence parameter, terminal device is according to pre- between the network equipment Surely second time is determined, or, terminal device determines second time according to the agreement regulation abided by jointly with the network equipment.
In some implementations of first aspect, second time is wireless for first after the first time Mini time slot/the first symbol of frame/the first subframe/the first time slot/the first.Terminal device is first in above-mentioned technical proposal (at the first time) transmits target data on the BWP of original activation, the BWP of rear (in the second time) switching activation, can be to avoid Formerly activation target BWP, after on target BWP transmit target data when, because original activation BWP it is different from the bandwidth of target BWP Cause RA in the first instruction information that can not adapt to target BWP, so cause target data can not normal transmission situation, can be with The subcarrier spacing difference because of the BWP and target BWP of original activation is avoided to lead to slot length in the former BWP and target BWP activated Length it is different, and then time-domain resource instruction is caused in DCI to indicate the situation to malfunction with timing.Moreover, terminal device It is time-consuming to reduce BWP switching by the BWP that activation can be switched in time after the transmission for carrying out target data.
In some implementations of first aspect, when the first direction is down direction, the terminal device exists After receiving target data at the first time, the Xiang Suoshu network equipment sends confirmation ACK message or negative confirmation NACK message, so as to It allows the network equipment to know whether data transmission succeeds, terminal device is scheduled convenient for the network equipment.
In some implementations of first aspect, when the first direction is up direction, the terminal device exists At the first time after the first direction sends the target data, receive ACK message that the network equipment is sent or NACK message, so as to know target data whether transmission success.
In some implementations of first aspect, when the first direction is down direction, second time is When first radio frames/the first subframe/the first time slot/the first after the terminal device transmission ACK message is mini Gap/the first symbol.In above-mentioned technical proposal, terminal device can carry out immediately after whether confirmation target data receives successfully Activate the switching of BWP, the as far as possible timeliness of the switching of guarantee BWP.
In some implementations of first aspect, when the first direction is up direction, second time is When first radio frames/the first subframe/the first time slot/the first after the terminal device reception ACK message is mini Gap/the first symbol.In above-mentioned technical proposal, terminal device can carry out immediately after whether confirmation target data sends successfully Activate the switching of BWP, the as far as possible timeliness of the switching of guarantee BWP.
In some implementations of first aspect, when the first direction is down direction, second time is The terminal device send it is any in ACK message or NACK message after first radio frames/the first subframe/the first when Mini time slot/the first symbol of gap/the first.In above-mentioned technical proposal, terminal device is become a useful person in confirmation target data transmission and is cut The BWP for changing activation is avoided when target data is transmitted the target data after failure and retransmitted, and terminal has switched to target BWP, in mesh Bandwidth or subcarrier spacing difference when retransmitting target data on mark BWP because of the BWP and target BWP of original activation lead to target data Retransmit the situation of failure.Moreover, terminal device can the switching activation in time after confirming target data transmission success BWP reduces the time-consuming of activation BWP.
In some implementations of first aspect, when the first direction is up direction, second time is The terminal device receive it is any in ACK message or NACK message after first radio frames/the first subframe/the first when Mini time slot/the first symbol of gap/the first.In above-mentioned technical proposal, terminal device is become a useful person in confirmation target data transmission and is cut The BWP for changing activation is avoided when target data is transmitted the target data after failure and retransmitted, and terminal has switched to target BWP, in mesh Bandwidth or subcarrier spacing difference when retransmitting target data on mark BWP because of the BWP and target BWP of original activation lead to target data Retransmit the situation of failure.Moreover, terminal device can the switching activation in time after confirming target data transmission success BWP reduces the time-consuming of activation BWP.
In some implementations of first aspect, the first instruction information is specifically used for indicating that the terminal device exists At the first time, transmission objectives data in a first direction；The second indication information includes time sequence parameter, and the time sequence parameter is used In indicating for the second time；The terminal device is switched to the target BWP according to the second indication information, by the BWP of activation, It include: that the BWP activated on the first direction in the second time is switched to the target BWP by the terminal device.Above-mentioned skill Art scheme determines switching by adding the time sequence parameter of instruction switching BWP time in second indication information convenient for terminal device The BWP time, and implementation is simple.
In some implementations of first aspect, after the terminal device receives the DCI, if when described second Between be later than the first time, then the terminal device activates before the first time, by second time BWP, the target data is transmitted in said first direction.In above-mentioned technical proposal, the network equipment can will switch the of BWP Two times were configured to be later than the first time of transmission objectives data, and then can be to avoid the band of BWP and target BWP because of original activation Wide difference causes RA in the first instruction information that can not adapt to target BWP, so cause target data can not normal transmission situation, When the subcarrier spacing difference because of the BWP and target BWP of original activation can also be avoided to cause in the former BWP and target BWP activated The length of gap length is different, and then causes the situation that time-domain resource instruction malfunctions with timing instruction in DCI.
In some implementations of first aspect, after the terminal device receives the DCI, if when described first Between be later than second time, then the terminal device the first time, by the activated target BWP, in institute It states and transmits the target data on first direction.In above-mentioned technical proposal, the network equipment will can be configured at the first time to be later than Second time, so that terminal device can switch the BWP of activation in time, terminal device can target BWP after handover upload Defeated target data takes into account the timeliness of transmission and the BWP switching of target data.
In some implementations of first aspect, after the terminal device receives the DCI, if when described first Between be later than second time, then the terminal device stops response the first instruction information, to avoid target data transmission Failure.
Second aspect, the application provide a kind of bandwidth switching method, comprising: the network equipment sends DCI, institute to terminal device Stating DCI includes the first instruction information and second indication information, and the first instruction information is used to indicate the terminal device and passes Defeated target data, the second indication information are used to indicate the terminal device and the portions of bandwidth BWP of activation are switched to target BWP。
In some implementations of second aspect, the first instruction information is specifically used for indicating that the terminal device exists Target data is transmitted on first direction, the second indication information is specifically used for indicating the terminal device by the first direction The BWP of upper activation is switched to target BWP, and the first direction is up direction, down direction or side link direction.
In some implementations of second aspect, the second indication information includes time sequence parameter, the time sequence parameter It was used to indicate for the second time, the second indication information is specifically used for indicating that the terminal device will be described in second time The BWP activated on first direction is switched to target BWP.
In some implementations of second aspect, the expression BWP that the network equipment also receiving terminal apparatus is sent is switched to The response message of function, so that the network equipment with terminal equipment in communication or can be scheduled terminal device by target BWP.
The third aspect, the application provide a kind of device for switching bandwidth, and the device is for executing above-mentioned first aspect or the Method in any possible realization of one side.Specifically, the device includes for executing above-mentioned first aspect or first party The module of method in any possible realization in face.
Fourth aspect, the application provide a kind of device for switching bandwidth, and the device is for executing above-mentioned second aspect or the Method in any possible realization of two aspects.Specifically, the device includes for executing above-mentioned second aspect or second party The module of method in any possible realization in face.
5th aspect, the application provide a kind of terminal device, and the terminal device is for executing above-mentioned first aspect or first Method in any possible realization of aspect.Specifically, the terminal device includes processor, memory and transceiver.It deposits Reservoir is for storing computer instruction；Transceiver is used for and the network equipment or other terminal equipment in communication；Processor is deposited with described Reservoir and transceiver communications connection, for executing the computer instruction, to execute above-mentioned first aspect or first party Method in any possible realization in face.
6th aspect, the application provide a kind of network equipment, and the network equipment is for executing above-mentioned second aspect or second Method in any possible realization of aspect.Specifically, the network equipment includes processor, memory and transceiver.It deposits Reservoir is for storing computer instruction；Transceiver is used for and terminal device or other network device communications；Processor is deposited with described Reservoir and transceiver communications connection, for executing the computer instruction, to execute above-mentioned second aspect or second party Method in any possible realization in face.
7th aspect, this application provides a kind of computer readable storage medium, is stored with meter in the readable storage medium storing program for executing Calculation machine instruction, when described instruction is run on computers, so that computer executes any possibility of first aspect or first aspect Realization in method.
Eighth aspect is stored with meter in the readable storage medium storing program for executing this application provides a kind of computer readable storage medium Calculation machine instruction, when described instruction is run on computers, so that computer executes any possibility of second aspect or second aspect Realization in method.
9th aspect, this application provides a kind of computer program product, the computer program product is on computers When operation, so that computer executes the method in any possible realization of first aspect or first aspect.
Tenth aspect, this application provides a kind of computer program product, the computer program product is on computers When operation, so that computer executes the method in any possible realization of second aspect or second aspect.
Tenth on the one hand, and the application provides a kind of chip, and the chip is connected with memory, described for reading and executing The software program stored in memory, the method in any possible realization to execute first aspect or first aspect.
12nd aspect, the application provide a kind of chip, and the chip is connected with memory, described for reading and executing The software program stored in memory, the method in any possible realization to execute second aspect or second aspect.
The application can also be further combined more real to provide on the basis of the realization that above-mentioned various aspects provide It is existing.
Detailed description of the invention
Fig. 1-Fig. 2, Fig. 4, Fig. 6-Fig. 7, Fig. 9 are switching bandwidth method at least one embodiment of the embodiment of the present application Flow diagram；
Fig. 3, Fig. 5, Fig. 8 are the schematic diagram for switching bandwidth at least one embodiment of the embodiment of the present application；
Figure 10-Figure 12 is the schematic diagram for switching the device of bandwidth at least one embodiment of the embodiment of the present application.
Specific embodiment
In order to keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with attached drawing to the application make into One step it is described in detail.
The application provides a kind of bandwidth switching method and device, to solve to lack in the prior art efficiently switching activation BWP scheme the problem of.Wherein, method and apparatus are based on the same inventive concept, since method and device solves the problems, such as Principle it is similar, therefore the implementation of apparatus and method can be with cross-reference, and overlaps will not be repeated.
It is multiple involved in the application, refer to two or more.In addition, in the description of the present application, " first ", Vocabulary such as " second " are only used for distinguishing the purpose of description, are not understood to indicate or imply relative importance, can not understand For indication or suggestion sequence.Furthermore term "and/or" in the application, only it is a kind of describe affiliated partner incidence relation, table Show there may be three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, individualism B this three Kind situation.In addition, character "/" in the application, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
It should be understood that it should be understood that the technical solution of the embodiment of the present application can be applied to, there are the various logical of portions of bandwidth BWP Letter system, including but not limited to 5G NR system.
It should also be understood that terminal device can be through wireless access network (radio access in the embodiment of the present application Network, RAN) it is communicated with one or more core nets, which can be described as access terminal, user equipment (user Equipment, UE), subscriber unit, subscriber station, movement station, mobile station, remote station, remote terminal, mobile device, user it is whole End, terminal, wireless telecom equipment, user agent or user apparatus.For example, cellular phone, wireless phone, session initiation protocol (session initiation protocol, SIP) phone, wireless local loop (wireless local loop, WLL) It stands, personal digital assistant (personal digital assistant, PDA), the handheld device with wireless communication function, meter Calculate equipment or be connected to other processing equipments of radio modem, mobile unit, wearable device, in future 5G network End in terminal device or the public land mobile network (public land mobile network, PLMN) of the following evolution End equipment etc..
It should also be understood that the network equipment can be the equipment for being communicated with terminal device in the embodiment of the present application, For example, it may be the base station (gNode B, gNB) in 5G NR system, or long term evolution (long term Evolution, LTE) evolved base station (evolutional Node B, eNB or e-NodeB) in system, the whole world is mobile logical Letter system (global system for mobile communication, GSM) or CDMA (code division Multiple access, CDMA) in base station (base transceiver station, BTS), be also possible to wideband code division Base station (NodeB) etc. in multiple access (wideband cdma, WCDMA).The network equipment can also be website (station), access Point (access point, AP), relay station, mobile unit, wearable device etc..
Fig. 1 shows a kind of bandwidth switching method of the embodiment of the present application, this method comprises:
Step 101, the network equipment send Downlink Control Information (downlink control to terminal device Information, DCI), which can pass through Physical Downlink Control Channel (physical downlink control Channel, PDCCH) it sends, which includes the first instruction information and second indication information, and the first instruction information is used to indicate Terminal device transmission objectives data, second indication information are used to indicate terminal device and the BWP of activation are switched to target BWP.
The first instruction information can be with instruction terminal equipment transmission objectives data in a first direction, which can Think that up direction, down direction or the direction side chain road (sidelink), so-called side link direction refer to the communication party of UE to UE To.When being in a first direction down direction, the first instruction information is used to indicate the terminal device reception network equipment and passes through under physics The target data that row channel is sent, physical down channel can be PDCCH, Physical Downlink Shared Channel (physical Downlink shared channel, PDSCH), Physical Control Format Indicator Channel (physical control format Indicator channel, PCFICH), physical hybrid automatic repeat request indicator channel (physical hybrid Automatic repeat request indicator channel, PHICH), Physical Multicast Channel (physical Multicast channel, PMCH) and Physical Broadcast Channel (physical broadcast channel, PBCH) etc..For Convenient for description, it is illustrated so that the physical down channel is PDSCH as an example in the embodiment of the present application the following contents.Optionally, When the physical down channel is PDSCH, the first instruction information is PDSCH scheduling information, including time sequence parameter K0, K0 instruction are eventually End equipment receives the time of DCI and terminal device receives the time interval between the first time of target data on PDSCH, eventually End equipment can determine the first time for receiving target data according to the K0.
In a first direction be up direction when, first instruction information be used to indicate terminal device by physical uplink channel to The network equipment sends target data, and physical uplink channel can be Physical Uplink Control Channel (physical uplink Control channel, PUCCH), Physical Uplink Shared Channel (physical uplink shared channel, PUSCH), Physical Random Access Channel (physical random access channel, PRACH) etc..For ease of description, It is illustrated so that the physical uplink channel is PUSCH as an example in the embodiment of the present application the following contents.Optionally, in the physical uplink When channel is PUSCH, the first instruction information is PUSCH scheduling information, including time sequence parameter K2, K2 instruction terminal equipment receives The time of DCI and terminal device send the time interval between the first time of target data on PUSCH, terminal device according to The K2 can determine the first time for sending target data.
When being in a first direction the communication direction of UE to UE, the first instruction information is used to indicate terminal device and passes through physics side Chain channel sends target data to other terminal devices, and physics side chain channel can be physics side chain control channel (physical Sidelink control channel, PSCCH), physics side chain share channel (physical sidelink shared Channel, PSSCH), physics side chain discovery channel (physical sidelink discovery channel, PSDCH) etc..
It should be understood that the first instruction information can not also include above-mentioned time sequence parameter K0 or K2 or above-mentioned time sequence parameter K0 Or the value of K2 is default, terminal device can be uploaded using preset duration as the time for receiving DCI with terminal device in a first direction Time interval between the first time of defeated target data, terminal device can be determined according to the preset duration sends target data First time.In addition, the first instruction information can also include other information, such as resource allocation (resource Allocation, RA) information, modulation coding scheme, carrier wave instructions field etc..
The downlink BWP of activation can be switched to target downlink BWP with instruction terminal equipment by second indication information, can also be referred to Show that the uplink BWP of activation is switched to target uplink BWP by terminal device, also can indicate that side chain road side of the terminal device by activation To BWP be switched to target BWP.It is so-called that the BWP of activation is switched to target BWP, refer to deactivating former activation BWP and Activate target BWP.There can be overlapping region between the BWP and target BWP of original activation, can also there is no overlapping region, it is optional , the BWP of original activation and one in target BWP can cover another.Second indication information includes at least a target BWP Index information.
It should be understood that the number of the target BWP in the embodiment of the present application can be one, or multiple, the application is real Example is applied not to limit.When the quantity of target BWP is greater than 1, the direction where multiple target BWP can be different, in other words, second The downlink BWP of activation not only instruction terminal equipment can be switched to target downlink BWP by instruction information, but also instruction terminal equipment will swash Uplink BWP living is switched to target uplink BWP.
It should also be understood that the transmission direction of the target data of the first instruction information instruction and the target of second indication information instruction Up-downlink direction where BWP can be identical, for example, the first instruction information, which is used to indicate terminal device, receives PDSCH data, the Two instruction information are used to indicate terminal device and the downlink BWP of activation are switched to target downlink BWP.First instruction information instruction Up-downlink direction where the target BWP that the transmission direction of target data is indicated with second indication information can not also be identical, example Such as, the first instruction information is used to indicate terminal device and sends PUSCH data, and second indication information, which will be used to indicate terminal device, to swash Downlink BWP living is switched to target downlink BWP；In another example the first instruction information is used to indicate terminal device and sends side chain number According to second indication information is used to indicate terminal device and the uplink BWP of activation is switched to target uplink BWP.
In addition, DCI other than including the first instruction information and second indication information, can also include other information, For example, DCI can be with redundant bit, cyclic redundancy check (cyclic redundancy check, CRC) etc..
Step 102, terminal device receive the DCI that the network equipment is sent.
The BWP of activation is switched to target BWP according to second indication information by step 103, terminal device.
In above-mentioned technical proposal, the network equipment can send DCI to terminal device, and both dispatch terminal equipment carried out data biography It is defeated, and the BWP of instruction terminal equipment switching activation, due to realizing that data dispatch and BWP switching refer to simultaneously by a DCI Show, efficiency is higher.
Optionally, after step 102, further include step 104: terminal device is set according to the first instruction information with network Standby transmission objectives data.
The transmission direction of the target data of the first instruction information instruction and the target of second indication information instruction is described below Bandwidth switching method when up-downlink direction where BWP is identical.For ease of description, below using first direction as up direction Or it is explained for down direction, it should be appreciated that it is side that the bandwidth switching method being described below, which is readily applicable to first direction, The situation of link direction.
Fig. 2 shows another bandwidth switching methods of the embodiment of the present application, comprising:
Step 201, the network equipment send DCI to terminal device, which includes the first instruction information and the second instruction letter Breath, the first instruction information are used to indicate terminal device in transmission objectives data in a first direction at the first time, the second instruction letter Breath is used to indicate terminal device and the BWP activated on first direction is switched to target BWP, and first direction is up direction or downlink Direction.
Step 202, terminal device receive the DCI that the network equipment is sent.
Step 203, terminal device are according to the first instruction information, in transmission objectives data in a first direction at the first time.
Step 204, terminal device switch the BWP activated on first direction in the second time according to second indication information For target BWP.
In above-mentioned technical proposal, the network equipment can pass through a DCI simultaneously realize the data dispatch in same direction with And BWP switching instruction, efficiency are higher.
As a kind of optional mode, the second time in step 204 is later than the first time in step 203, realizes Mode can be a variety of, comprising:
A, as the second time at the time of terminal device is using after the preset duration of first time.For example, terminal device determines Second time is first mini time slot/the of radio frames/the first subframe/the first time slot/the first after first time One symbol.Wherein, the difference of so-called time slot (slot), mini time slot (mini slot) are as follows: the symbol that mini time slot includes is few In the symbol that time slot includes, for example, time slot includes 14 symbols, mini time slot includes 7 symbols.It should be understood that terminal device exists The BWP of activation is switched to target BWP by the second time, is also referred in above-mentioned first radio frames/the first subframe/the first The BWP of activation is switched to target BWP by the initial time of a mini time slot/the first symbol of time slot/the first, can also be referred to Above-mentioned mini time slot/the first symbol of the first radio frames/the first subframe/the first time slot/the first corresponding period The BWP of activation is switched to target BWP by any one interior moment.
B, the network equipment determines the moment after first time as the second time, when adding in second indication information Order parameter Ks, Ks indicate second time.For example, the network equipment determines that second time is wireless for first after first time Mini time slot/the first symbol of frame/the first subframe/the first time slot/the first.It should be understood that second indication information can also be with Do not include above-mentioned time sequence parameter Ks or above-mentioned time sequence parameter Ks value it is default, terminal device can be to set duration as connecing The BWP activated on first direction is switched between the time between the second time of target BWP by the time and terminal device for receiving DCI Every terminal device can determine second time according to the setting duration.
Fig. 3 shows the first instruction information instruction terminal equipment in DCI to be believed in first time reception target data, the second instruction Cease a kind of possible case of the BWP of instruction terminal equipment switching activation.When time slot 1 starts, the downlink BWP of terminal device activation For BWP1, terminal device receives DCI in BWP1, when determining first according to the time sequence parameter K0 in the first instruction information in DCI Between, target data is received in first time, then, the initial time of first time slot (i.e. time slot 2) after first time is (i.e. Second time) BWP of activation is switched to BWP2 by BWP1.Then, terminal device can receive downlink data on BWP2 (PDSCH data).
The bandwidth of different BWP, subcarrier spacing may be different, and terminal device is first (at the first time) in above-mentioned technical proposal Target data is transmitted on the BWP of original activation, the BWP of rear (in the second time) switching activation can be to avoid first activation target BWP, after when transmitting target data on target BWP, because the BWP and the bandwidth difference of target BWP of original activation lead to the first instruction RA can not adapt to target BWP in information, so cause target data can not normal transmission situation, can also avoid because original activate BWP and the subcarrier spacing difference of target BWP cause the former BWP activated different with the length of slot length in target BWP, into And cause the situation that time-domain resource instruction malfunctions with timing instruction in DCI.
Fig. 4 shows the another bandwidth switching method of the embodiment of the present application, comprising:
Step 301, the network equipment send DCI to terminal device, which includes the first instruction information and the second instruction letter Breath, the first instruction information are used to indicate terminal device and receive target data in first time, and second indication information is used to indicate end The downlink BWP of activation is switched to target downlink BWP by end equipment.
Step 302, terminal device receive the DCI that the network equipment is sent.
Step 303, terminal device receive target data in first time.If receiving successfully, step 304 is turned to, if receiving Failure, then turn to step 305.
Step 304, terminal device send confirmation (acknowledgement, ACK) message, the ACK message to the network equipment Indicate that target data receives successfully.Turn to step 306.
Step 305, terminal device send negative confirmation (negative ACK, NACK) message, the NACK to the network equipment Message indicates target data reception failure.Turn to step 306.
The downlink BWP of activation is switched to target downlink BWP by step 306, terminal device.
It should be understood that step 301~step 306 scheme is equally applicable to the first instruction information instruction terminal equipment first Time sends target data, the uplink BWP of activation is switched to the feelings of target uplink BWP by second indication information instruction terminal equipment Shape, under the scene, terminal device waits the network equipment to return after first time sends target data to the network equipment ACK message or NACK message after any in receiving the ACK message or NACK message, just respond second indication information, will swash Uplink BWP living is switched to target uplink BWP.
In above-mentioned technical proposal, terminal device transmits to look over so as to check in first time on the BWP of original activation marks data, and eventually End equipment known target data whether transmission success, and confirmation target data whether the laggard line activating BWP of transmission success Switching, can appropriately take into account the timeliness of the switching of the transmission correctness and BWP of target data, improve the effect of communication system Rate.
Optionally, in step 306, the downlink BWP of activation is switched to target downlink BWP in the second time by terminal device, First radio frames/the first subframe/the after at the time of second time is terminal device transmission ACK message in step 304 Mini time slot/the first symbol of one time slot/the first, alternatively, second time is that terminal device sends NACK in step 305 First mini time slot/the first symbol of radio frames/the first subframe/the first time slot/the first after at the time of message.
Fig. 5 shows the first instruction information instruction terminal equipment in DCI to be believed in first time reception target data, the second instruction Cease a kind of possible case of the BWP of instruction terminal equipment switching activation.When time slot 1 starts, the downlink BWP of terminal device activation For BWP1, terminal device receives DCI in BWP1, when determining first according to the time sequence parameter K0 in the first instruction information in DCI Between, target data is received in first time, then, terminal device sends ACK message or NACK message to the network equipment, and is sending out Send it is any in ACK message or NACK message after first time slot (i.e. time slot 2) initial time (i.e. the second time) will activate BWP BWP2 is switched to by BWP1.Then, terminal device can receive downlink data (PDSCH data) on BWP2.
Target data, second indication information instruction are sent eventually in first time for the first instruction information instruction terminal equipment The uplink BWP of activation is switched to the situation of target uplink BWP by end equipment, and terminal device is in the second time by the uplink of activation BWP is switched to target uplink BWP, second time be terminal device receive ACK message at the time of after first radio frames/the Mini time slot/the first symbol of one subframe/the first time slot/the first, alternatively, second time is terminal device reception Mini time slot/the first symbol of first radio frames/the first subframe/the first time slot/the first after at the time of NACK message Number.
In above-mentioned technical proposal, whether terminal device can be activated immediately after transmission success in confirmation target data The switching of BWP, the as far as possible timeliness of the switching of guarantee BWP.
Alternatively, referring to Fig. 6, after above-mentioned steps 305, step 306 is not turned to, but waiting the network equipment to receive should After NACK message, it is based on retransmission mechanism, retransmits target data to terminal device, terminal device receives the target data retransmitted, Step 306 is turned to if success, sends the message initiated re-transmission of NACK to the network equipment if failure, until being properly received mesh Data are marked, step 306 is just executed.Optionally, terminal device can receive the target of the re-transmission in i-th (for example, i is equal to 1) After data, no matter to network equipment transmission ACK message or NACK message, turns to and execute step 306.
Target data, second indication information instruction are sent eventually in first time for the first instruction information instruction terminal equipment The uplink BWP of activation is switched to the situation of target uplink BWP by end equipment, and terminal device is sent in first time to the network equipment After target data, the ACK message or NACK message for waiting the network equipment to return are set if receiving NACK message to network It is standby to retransmit target data, until receiving the network equipment returns to ACK message, second indication information is just responded, by the uplink BWP of activation It is switched to target uplink BWP.Optionally, terminal device can send the target data of the re-transmission in i-th (for example, i is equal to 1) Later, ACK message or NACK message no matter are received, response second indication information, the uplink BWP of activation is switched to target Uplink BWP.
It should be understood that the downlink BWP of activation is switched to the time of target downlink BWP by terminal device in the scheme of this replacement It can be with are as follows: first radio frames/the first subframe/the first time slot/the first after at the time of terminal device sends ACK message Mini time slot/the first symbol.Terminal device can be with by the uplink BWP of the activation time for being switched to target uplink BWP are as follows: terminal First mini time slot/the of radio frames/the first subframe/the first time slot/the first after at the time of equipment reception ACK message One symbol.
In above-mentioned technical proposal, terminal device is become a useful person in confirmation target data transmission switches the BWP of activation, avoids in target When target data after data transmission fails retransmits, terminal has switched to target BWP, when retransmitting target data on target BWP Because the bandwidth or subcarrier spacing difference of the BWP and target BWP of original activation cause target data to retransmit the situation to fail.Not only such as This, terminal device can switch the BWP of activation in time after confirming target data transmission success, reduce the time-consuming of activation BWP.
Fig. 7 shows the another bandwidth switching method of the embodiment of the present application, comprising:
Step 401, the network equipment send DCI to terminal device, which includes the first instruction information and the second instruction letter Breath, the first instruction information are used to indicate terminal device in transmission objectives data in a first direction at the first time, the second instruction letter Breath is used to indicate terminal device and the BWP activated on first direction is switched to target BWP in the second time, and first direction is uplink Direction or down direction.
When being in a first direction down direction, the first instruction information can be PDSCH scheduling information, including time sequence parameter K0, K0 instruction terminal equipment receive the time of DCI and terminal device was received on PDSCH between the first time of target data Time interval, terminal device can determine the first time for receiving target data according to the K0.Second indication information is used to indicate The downlink BWP of activation is switched to target downlink BWP by terminal device, including time sequence parameter Ks1, Ks1 instruction terminal equipment receives The time of DCI and terminal device are switched to the time interval between the second time of target downlink BWP, and terminal device is according to this Ks1 can determine the second time for being switched to target downlink BWP.
When being in a first direction up direction, the first instruction information can be PUSCH scheduling information, including time sequence parameter K2, K2 instruction terminal equipment receive the time of DCI and terminal device was sent on PUSCH between the first time of target data Time interval, terminal device can determine the first time for sending target data according to the K2.Second indication information is used to indicate The uplink BWP of activation is switched to target uplink BWP by terminal device, including time sequence parameter Ks2, Ks2 instruction terminal equipment receives The time of DCI and terminal device are switched to the time interval between the second time of target uplink BWP, and terminal device is according to this Ks2 can determine the second time for being switched to target uplink BWP.
It should be understood that the first instruction information can not also include above-mentioned time sequence parameter K0 or K2 or above-mentioned time sequence parameter K0 Or the value of K2 is default, terminal device can be uploaded using preset duration as the time for receiving DCI with terminal device in a first direction Time interval between the first time of defeated target data, terminal device can be determined according to the preset duration sends target data First time.
Step 402, terminal device receive the DCI that the network equipment is sent.When the second time being later than first time, step is turned to Rapid 403.
Step 403, terminal device at the first time, by the second time before activate BWP, in a first direction transmit Target data.Turn to step 404.
The BWP activated on first direction is switched to target BWP in the second time by step 404, terminal device.
Fig. 8 shows the first instruction information instruction terminal equipment in DCI to be believed in first time reception target data, the second instruction Cease a kind of possible case of the BWP of instruction terminal equipment switching activation.When time slot 1 starts, the downlink BWP of terminal device activation For BWP1, terminal device receives DCI in BWP1, when determining first according to the time sequence parameter K0 in the first instruction information in DCI Between, target data is received in first time, then, determines second according to the time sequence parameter Ks1 in the first instruction information in DCI The BWP of activation is switched to BWP2 by BWP1 in the second time by the time.Then, terminal device can receive downlink on BWP2 Data (PDSCH data).
Above-mentioned technical proposal, the network equipment can send DCI to terminal device, which had both included that instruction terminal equipment passes First instruction information of defeated target data, also includes the second indication information of the BWP of instruction terminal equipment switching activation, this first Indicate that information includes the time sequence parameter for indicating (first) time of transmission objectives data, second indication information includes that instruction switching swashs The time sequence parameter of (second) time of BWP living, terminal device can be according to the instructions of DCI, in the first moment transmission objectives number Accordingly and in the BWP that the switching of the second moment activates, data dispatch and BWP switching instruction are efficiently realized by a DCI.Net The second time for switching BWP can also be configured to be later than the first time of transmission objectives data by network equipment, and then can be to avoid Because the bandwidth difference of the BWP and target BWP of original activation cause RA in the first instruction information that can not adapt to target BWP, and then cause Target data can not normal transmission situation, the subcarrier spacing difference of BWP and target BWP because of original activation can also be avoided to lead It causes the BWP of former activation different from the length of slot length in target BWP, and then time-domain resource instruction in DCI is caused to refer to timing Show the situation to malfunction.
As a kind of optional mode, after step 402, if being later than for the second time at the first time, step is turned to 404.After step 404 executes, step 405 is turned to.
Step 405, terminal device at the first time, pass through activated target BWP, in a first direction transmission objectives number According to.
In above-mentioned technical proposal, the network equipment will can be configured at the first time to be later than for the second time, so as to terminal device The BWP of activation can be switched in time, terminal device can transmit target data on target BWP after handover, take into account number of targets According to transmission and BWP switching timeliness.
Optionally, in step 405, if target BWP is different from the bandwidth of former activation BWP and/or subcarrier spacing, terminal Equipment parses the field in DCI according to the bandwidth of target BWP and/or subcarrier spacing.For example, for the RA field in DCI, If target bandwidth is wide 2 times of original tape, the resource particle degree of RA field instruction is adjusted to the 2 of the wide resource particle degree of original tape Times.
Alternatively, referring to Fig. 9, if being later than for the second time at the first time, step 404 is turned to.Knot is executed in step 404 Shu Hou cancels response the first instruction information, transmits and fail to avoid target data.Optionally, terminal device can be set to network Preparation, which is sent, reschedules request, and the request network equipment is based on activated target BWP and reschedules target data.
In conjunction with above-mentioned all possible implementation, terminal device is according to second indication information, by the downlink BWP of activation After being switched to target downlink BWP, PDCCH can be monitored on target downlink BWP, guarantee that terminal device being capable of mesh after handover It marks downlink BWP and receives the DCI that the network equipment is sent.Alternatively, terminal device is according to second indication information, by the uplink of activation After BWP is switched to target uplink BWP, when having uplink data scheduling or feeding back uplink being needed to control information, by the target Row BWP sends corresponding informance to the network equipment, guarantees that terminal device can send information to the network equipment in time.
In conjunction with above-mentioned all possible implementation, terminal device switches the BWP of activation according to second indication information After target BWP, the response message for indicating that BWP is switched successfully can be sent to the network equipment, so that the network equipment can lead to Target BWP is crossed to be scheduled with terminal equipment in communication or to terminal device.
Figure 10 shows a kind of bandwidth switching device 50 of the embodiment of the present application, which can be used for realizing that Fig. 1 to Fig. 9 appoints The function of terminal device in one corresponding bandwidth switching method.The device 50 includes: transceiver module 51 and respond module 52.It receives The Downlink Control Information DCI, the DCI that hair module 51 is used to receive network equipment transmission include the first instruction information and second Indicate that information, the first instruction information are used to indicate described device transmission objectives data, the second indication information is for referring to Show that the portions of bandwidth BWP of activation is switched to target BWP by described device.Respond module 52 is used to be believed according to second instruction Breath, is switched to the target BWP for the BWP of activation.
As a kind of optional mode, the first instruction information is specifically used for instruction described device in first time the Target data is transmitted on one direction, the second indication information, which is specifically used for instruction described device, to be activated on the first direction BWP be switched to target BWP, the first direction is up direction, down direction or side link direction.
As a kind of optional mode, the transceiver module 51 is also used to: according to the first instruction information, at first Between transmit the target data in said first direction；The respond module 52 is specifically used for being believed according to second instruction Breath, is switched to the target BWP for the BWP activated on the first direction in the second time.
As a kind of optional mode, second time is first radio frames/the first after the first time Mini time slot/the first symbol of subframe/the first time slot/the first.
As a kind of optional mode, the transceiver module 51 is also used to: being passed in said first direction at the first time After the defeated target data, the first direction be down direction when, the Xiang Suoshu network equipment send confirmation ACK message or Negative confirmation NACK message；When the first direction is up direction, receive ACK message that the network equipment is sent or NACK message；Wherein, ACK message indicates that target data receives successfully, and NACK message indicates target data reception failure.
As a kind of optional mode, when the first direction is down direction, second time is the transmitting-receiving Module sends first mini time slot/the first of radio frames/the first subframe/the first time slot/the first after ACK message Symbol；And/or the first direction be up direction when, second time be the transceiver module receive ACK message it First mini time slot/the first symbol of radio frames/the first subframe/the first time slot/the first afterwards.
As a kind of optional mode, when the first direction is down direction, second time is the transmitting-receiving Module send it is any in ACK message or NACK message after first radio frames/the first subframe/the first time slot/the first A mini time slot/the first symbol；And/or when the first direction is up direction, second time is the transmitting-receiving Module receive it is any in ACK message or NACK message after first radio frames/the first subframe/the first time slot/the first A mini time slot/the first symbol.
As a kind of optional mode, the second indication information includes time sequence parameter, and the time sequence parameter is used to indicate Second time；The respond module 52 is specifically used for: being switched to the BWP activated on the first direction in the second time described Target BWP.
As a kind of optional mode, the respond module 52 is also used to: the transceiver module receive the DCI it Afterwards, it if second time is later than the first time, is activated before the first time, by second time BWP, the target data is transmitted in said first direction.
As a kind of optional mode, the respond module 52 is specifically used for: the transceiver module receive the DCI it Afterwards, if the first time is later than second time, the first time, by the activated target BWP, The target data is transmitted on the first direction.
As a kind of optional mode, the respond module is specifically used for: the transceiver module receive the DCI it Afterwards, if the first time is later than second time, stop to respond the first instruction information.
It is schematical, only a kind of logical function partition to the division of module in the embodiment of the present invention, it is practical to realize When there may be another division manner, in addition, each functional module in each embodiment of the present invention can integrate at one It manages in device, is also possible to physically exist alone, can also be integrated in two or more modules in a module.It is above-mentioned integrated Module both can take the form of hardware realization, can also be realized in the form of software function module.
Wherein, when integrated module both can take the form of hardware realization, as shown in figure 11,50 device of device may include Processor 61.The hardware of the corresponding entity of above-mentioned respond module 52 can be processor 61.Processor 61 can be one or more A central processing unit (central processing unit, CPU), or be digital processing module etc..Device 50 can be with Including transceiver 62, processor 62 receives the data and control information that the network equipment is sent, above-mentioned transmitting-receiving by transceiver 62 The hardware of the corresponding entity of module 51 can be transceiver 62.The device 50 further include: memory 63 is used for storage processor 61 The program of execution.Memory 63 can be nonvolatile memory, for example, hard disk (hard disk drive, HDD) or solid-state it is hard Disk (solid-state drive, SSD) etc., can also be volatile memory (volatile memory), such as deposit at random Access to memory (random-access memory, RAM).Memory 63 can be used for carrying or storing have instruction or data The desired program code of structure type and can by any other medium of computer access, but not limited to this.
The implementation of above-mentioned apparatus 50 and its comprising modules is referred to any corresponding bandwidth switching side Fig. 1 to Fig. 9 The step of being executed in method by terminal device is not repeated herein.
Figure 12 shows the bandwidth switching device 70 of the embodiment of the present application, which can be used for realizing that Fig. 1 to Fig. 9 is any right The function of the network equipment in the bandwidth switching method answered.The device 70 includes: sending module 71, for sending to terminal device DCI, the DCI include the first instruction information and second indication information, and the first instruction information is used to indicate the terminal Equipment transmission objectives data, the second indication information are used to indicate the terminal device and switch the portions of bandwidth BWP of activation For target BWP.
As a kind of optional mode, device 70 further includes processing module 72, for generating the DCI.
As a kind of optional mode, device 70 further includes receiving module 73, the data sent for receiving terminal apparatus And solicited message.
As a kind of optional mode, the first instruction information is specifically used for indicating the terminal device at the first time Transmission objectives data in a first direction, the second indication information are specifically used for indicating the terminal device by the first party The BWP activated upwards is switched to target BWP, and the first direction is up direction, down direction or side link direction.
As a kind of optional mode, the second indication information includes time sequence parameter, and the time sequence parameter is used to indicate Second time, the second indication information are specifically used for indicating the terminal device in second time by the first direction The BWP of upper activation is switched to target BWP.
It is schematical, only a kind of logical function partition to the division of module in the embodiment of the present invention, it is practical to realize When there may be another division manner, in addition, each functional module in each embodiment of the present invention can integrate at one It manages in device, is also possible to physically exist alone, can also be integrated in two or more modules in a module.It is above-mentioned integrated Module both can take the form of hardware realization, can also be realized in the form of software function module.
It wherein, can be with continued reference to such as Figure 11,70 device of device when integrated module both can take the form of hardware realization It may include processor.The hardware of the corresponding entity of above-mentioned processing module 72 can be processor.Processor can be one or Multiple CPU, or be digital processing module etc..Device 70 can also include transceiver, and processor receives terminal by transceiver Equipment send data and solicited message, above-mentioned sending module 71, the corresponding entity of receiving module 73 hardware can be receipts Send out device.The device 70 further include: memory, the program executed for storage processor.Memory can be non-volatile memories Device, such as hard disk or solid state hard disk etc., can also be volatile memory, such as random access memory.Memory is can For carry or store have instruction or data structure form desired program code and can be by any of computer access Other media, but not limited to this.
The implementation of above-mentioned apparatus 70 and its comprising modules is referred to any corresponding bandwidth switching side Fig. 1 to Fig. 9 The step of being executed in method by the network equipment is not repeated herein.
The embodiment of the present application also provides a kind of computer readable storage medium, and calculating is stored in the readable storage medium storing program for executing Machine instruction, when described instruction is run on computers, so that computer executes any corresponding bandwidth switching method of Fig. 1 to Fig. 9 In the step of being executed by terminal device.
The embodiment of the present application also provides a kind of computer readable storage medium, and calculating is stored in the readable storage medium storing program for executing Machine instruction, when described instruction is run on computers, so that computer executes any corresponding bandwidth switching method of Fig. 1 to Fig. 9 In the step of being executed by the network equipment.
The embodiment of the present application also provides a kind of computer program product, and the computer program product is run on computers When, so that computer executes the step of being executed in any corresponding bandwidth switching method of Fig. 1 to Fig. 9 by terminal device.
The embodiment of the present application also provides a kind of computer program product, and the computer program product is run on computers When, so that computer executes the step of being executed in any corresponding bandwidth switching method of Fig. 1 to Fig. 9 by the network equipment.
The embodiment of the present application also provides a kind of chip, and the chip is connected with memory, for reading and executing described deposit The software program stored in reservoir, to execute the step executed in any corresponding bandwidth switching method of Fig. 1 to Fig. 9 by terminal device Suddenly.
The embodiment of the present application also provides a kind of chip, and the chip is connected with memory, for reading and executing described deposit The software program stored in reservoir, to execute the step executed in any corresponding bandwidth switching method of Fig. 1 to Fig. 9 by the network equipment Suddenly.
The application be referring to according to the present processes, equipment (system) and computer program product flow chart and/or Block diagram describes.It should be understood that each process that can be realized by computer program instructions in flowchart and/or the block diagram and/or The combination of process and/or box in box and flowchart and/or the block diagram.It can provide these computer program instructions to arrive General purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices processor to generate one Machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for realizing flowing The device for the function of being specified in journey figure one process or multiple processes and/or block diagrams one box or multiple boxes.These meters Calculation machine program instruction, which may also be stored in, is able to guide computer or other programmable data processing devices meter operate in a specific manner In calculation machine readable memory, so that instruction stored in the computer readable memory generates the manufacture including command device Product, command device realization refer in one or more flows of the flowchart and/or one or more blocks of the block diagram Fixed function.
More than, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, and it is any to be familiar with Those skilled in the art within the technical scope of the present application, can easily think of the change or the replacement, and should all cover Within the protection scope of the application.Therefore, the protection scope of the application should be subject to the protection scope in claims.

Claims (31)

1. a kind of bandwidth switching method characterized by comprising
It includes the first instruction information and second that terminal device, which receives the Downlink Control Information DCI, the DCI that the network equipment is sent, Indicate that information, the first instruction information are used to indicate the terminal device transmission objectives data, the second indication information is used The portions of bandwidth BWP of activation is switched to target BWP in the instruction terminal device；
The terminal device is switched to the target BWP according to the second indication information, by the BWP of activation.
2. the method according to claim 1, wherein the first instruction information is specifically used for indicating the terminal Equipment transmission objectives data in a first direction, the second indication information are specifically used for indicating the terminal device by described the The BWP activated on one direction is switched to target BWP, and the first direction is up direction, down direction or side link direction.
3. method according to claim 1 or 2, which is characterized in that after the terminal device receives the DCI, also Include:
The terminal device is according to the first instruction information, in the first time of the first instruction information instruction, described The target data is transmitted on first direction；
The terminal device is switched to the target BWP according to the second indication information, by the BWP of activation, comprising:
The BWP activated on the first direction is switched to the target BWP in the second time by the terminal device.
4. according to the method described in claim 3, it is characterized in that, second time is first after the first time Mini time slot/the first symbol of radio frames/the first subframe/the first time slot/the first.
5. according to the method described in claim 3, it is characterized in that, in the terminal device in first time in the first party After transmitting the target data upwards, further includes:
When the first direction is down direction, the terminal device is sent to the network equipment confirms ACK message or no Surely confirm NACK message；
When the first direction is up direction, the terminal device receive the ACK message that the network equipment is sent or NACK message；
Wherein, ACK message indicates that target data receives successfully, and NACK message indicates target data reception failure.
6. according to the method described in claim 5, it is characterized by:
When the first direction is down direction, second time be the terminal device send after ACK message the One mini time slot/the first symbol of radio frames/the first subframe/the first time slot/the first；And/or
When the first direction is up direction, second time be the terminal device receive after ACK message the One mini time slot/the first symbol of radio frames/the first subframe/the first time slot/the first.
7. according to the method described in claim 5, it is characterized by:
When the first direction is down direction, second time is that the terminal device sends ACK message or NACK disappears In breath it is any after first mini time slot/the first symbol of radio frames/the first subframe/the first time slot/the first； And/or
When the first direction is up direction, second time is that the terminal device receives ACK message or NACK disappears In breath it is any after first mini time slot/the first symbol of radio frames/the first subframe/the first time slot/the first.
8. according to the method described in claim 2, it is characterized in that, the first instruction information is specifically used for indicating the terminal Equipment is in first time, in a first direction transmission objectives data；The second indication information includes time sequence parameter, the timing Parameter was used to indicate for the second time；
The terminal device is switched to the target BWP according to the second indication information, by the BWP of activation, comprising:
The BWP activated on the first direction is switched to the target BWP in the second time by the terminal device.
9. according to the method described in claim 8, it is characterized in that, also being wrapped after the terminal device receives the DCI It includes:
If second time is later than the first time, the terminal device in the first time, pass through described second The BWP that activates before time, the target data is transmitted in said first direction.
10. according to the method described in claim 8, it is characterized in that, also being wrapped after the terminal device receives the DCI It includes:
If the first time is later than second time, the terminal device in the first time, by activated The target BWP, the target data is transmitted in said first direction.
11. according to the method described in claim 8, it is characterized in that, also being wrapped after the terminal device receives the DCI It includes:
If the first time is later than second time, the terminal device stops response the first instruction information.
12. a kind of bandwidth switching method characterized by comprising
The network equipment sends DCI to terminal device, and the DCI includes the first instruction information and second indication information, and described the One instruction information is used to indicate the terminal device transmission objectives data, and the second indication information is used to indicate the terminal and sets It is standby that the portions of bandwidth BWP of activation is switched to target BWP.
13. according to the method for claim 12, which is characterized in that the first instruction information is specifically used for indicating the end Transmission objectives data, the second indication information are specifically used for indicating that the terminal device will be described end equipment in a first direction The BWP activated on first direction is switched to target BWP, and the first direction is up direction, down direction or side link direction.
14. according to the method for claim 13, which is characterized in that the second indication information includes time sequence parameter, described Time sequence parameter was used to indicate for the second time, and the second indication information is specifically used for indicating the terminal device at described second Between the BWP activated on the first direction is switched to target BWP.
15. a kind of bandwidth switching device characterized by comprising
Transceiver module, for receiving the Downlink Control Information DCI of network equipment transmission, the DCI include the first instruction information with And second indication information, the first instruction information are used to indicate described device transmission objectives data, the second indication information It is used to indicate described device and the portions of bandwidth BWP of activation is switched to target BWP；
Respond module, for according to the second indication information, the BWP of activation to be switched to the target BWP.
16. device according to claim 15, which is characterized in that the first instruction information is specifically used for indicating the dress Transmission objectives data in a first direction are set, the second indication information is specifically used for instruction described device for the first direction The BWP of upper activation is switched to target BWP, and the first direction is up direction, down direction or side link direction.
17. device according to claim 15 or 16, which is characterized in that the transceiver module is also used to: according to described One instruction information, it is described first instruction information instruction first time, transmit the target data in said first direction；
The respond module is specifically used for be activated on the first direction according to the second indication information in the second time BWP be switched to the target BWP.
18. device according to claim 17, which is characterized in that second time is first after the first time A mini time slot/the first symbol of radio frames/the first subframe/the first time slot/the first.
19. device according to claim 17, which is characterized in that the transceiver module is also used to: in first time in institute It states after transmitting the target data on first direction, when the first direction is down direction, Xiang Suoshu network equipment hair Send confirmation ACK message or negative confirmation NACK message；When the first direction is up direction, the network equipment hair is received The ACK message or NACK message sent；Wherein, ACK message indicates that target data receives successfully, and NACK message indicates that target data connects Receive failure.
20. device according to claim 19, it is characterised in that:
When the first direction is down direction, second time be the transceiver module send after ACK message the One mini time slot/the first symbol of radio frames/the first subframe/the first time slot/the first；And/or
When the first direction is up direction, second time be the transceiver module receive after ACK message the One mini time slot/the first symbol of radio frames/the first subframe/the first time slot/the first.
21. device according to claim 19, it is characterised in that:
When the first direction is down direction, second time is that the transceiver module sends ACK message or NACK disappears In breath it is any after first mini time slot/the first symbol of radio frames/the first subframe/the first time slot/the first； And/or
When the first direction is up direction, second time is that the transceiver module receives ACK message or NACK disappears In breath it is any after first mini time slot/the first symbol of radio frames/the first subframe/the first time slot/the first.
22. device according to claim 16, which is characterized in that the first instruction information is specifically used for indicating the end End equipment is in first time, in a first direction transmission objectives data；The second indication information includes time sequence parameter, when described Order parameter was used to indicate for the second time；
The respond module is specifically used for: the BWP activated on the first direction being switched to the target in the second time BWP。
23. device according to claim 22, which is characterized in that the respond module is also used to: in the transceiver module After receiving the DCI, if second time is later than the first time, in the first time, pass through described second The BWP that activates before time, the target data is transmitted in said first direction.
24. device according to claim 22, which is characterized in that the respond module is specifically used for: in the transmitting-receiving mould After block receives the DCI, if the first time is later than second time, in the first time, by having activated The target BWP, transmit the target data in said first direction.
25. device according to claim 22, which is characterized in that the respond module is specifically used for: in the transmitting-receiving mould After block receives the DCI, if the first time is later than second time, stop to respond the first instruction information.
26. a kind of bandwidth switching device characterized by comprising
Sending module, for sending DCI to terminal device, the DCI includes the first instruction information and second indication information, institute It states the first instruction information and is used to indicate the terminal device transmission objectives data, the second indication information is used to indicate the end The portions of bandwidth BWP of activation is switched to target BWP by end equipment.
27. device according to claim 26, which is characterized in that the first instruction information is specifically used for indicating the end Transmission objectives data, the second indication information are specifically used for indicating that the terminal device will be described end equipment in a first direction The BWP activated on first direction is switched to target BWP, and the first direction is up direction, down direction or side link direction.
28. device according to claim 27, which is characterized in that the second indication information includes time sequence parameter, described Time sequence parameter was used to indicate for the second time, and the second indication information is specifically used for indicating the terminal device at described second Between the BWP activated on the first direction is switched to target BWP.
29. a kind of terminal device characterized by comprising
Memory, for storing computer instruction；
Transceiver is used for and the network equipment or other terminal equipment in communication；
Processor is connect with the memory and the transceiver communications, for executing the computer instruction, to execute such as Method of any of claims 1-11.
30. a kind of network equipment characterized by comprising
Memory, for storing computer instruction；
Transceiver is used for and terminal device or other network device communications；
Processor is connect with the memory and the transceiver communications, for executing the computer instruction, to execute such as Method described in any one of claim 12-14.
31. a kind of computer readable storage medium, which is characterized in that it is stored with computer instruction in the readable storage medium storing program for executing, When described instruction is run on computers, so that computer executes the method as described in any one of claim 1-14.
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