CN105323838A - Data transmission method and data transmission device for ultra-dense networks - Google Patents
Data transmission method and data transmission device for ultra-dense networks Download PDFInfo
- Publication number
- CN105323838A CN105323838A CN201510930928.4A CN201510930928A CN105323838A CN 105323838 A CN105323838 A CN 105323838A CN 201510930928 A CN201510930928 A CN 201510930928A CN 105323838 A CN105323838 A CN 105323838A
- Authority
- CN
- China
- Prior art keywords
- tti
- information
- base station
- predetermined quantity
- super
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
- H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a data transmission method and a data transmission device for ultra-dense networks. The data transmission method applicable to terminals comprises the following steps: receiving downlink control information containing uplink scheduling information sent by a base station at a specified TTI (transmission time interval); at a TTI corresponding to the specified TTI and at predetermined-number TTIs behind the corresponding TTI, according to the uplink scheduling information, modulating and sending uplink data sent by the base station; determining a target TTI located when the uplink data is completely sent; if the target TTI is located before a preset TTI in the predetermined-number TTIs, feeding back indicating information to the base station in a physical uplink signaling of the target TTI, wherein the indicating information means that the uplink data is completely sent. Through the technical scheme of the invention, in the process of semi-static scheduling, the power consumption of the base station can be reduced, and the waste of uplink time-frequency resources also can be avoided, thereby increasing the utilization of uplink data transmission resources.
Description
Technical field
The present invention relates to communication technical field, in particular to a kind of data transmission method for super-intensive network and a kind of data transmission device for super-intensive network.
Background technology
At present, the 5th Generation Mobile Communication System (5G) is just among the research of academia and industrial circle, and wherein, UDN (Ultra-DenseNetwork, super-intensive network) is an important technology of 5G.UDN refers to when network design, the scene (such as stadium, railway station Waiting Lounge, office space etc.) large for some demand data amount, data cube computation number is many, carry out the networking of super-intensive, the interval between access website may only have tens of rice.UDN networking relies on the cooperation of access website, method such as interference eliminations etc. to provide higher data rate and more data cube computation for user.
Current in 4G network, UE (UserEquipment, subscriber equipment) need to send upstream data by the dynamic dispatching of base station, namely when base station is wished at certain TTI (TransmissionTimeInterval, Transmission Time Interval), such as, when TTIi regulation goal UE, need UL-grant (upstream dispatching instructions) information sending the uplink for regulation goal UE at a corresponding TTI (as at TTIi ') more early to this object UE, wherein, i ' is made separate stipulations by standard with the corresponding relation of i, UL-grant message is DCI (DownlinkControlInformation, Downlink Control Information) in one, LTE (LongTermEvolution, Long Term Evolution) in UL-grant correspond to DCIformat (descending control information format) 0.The resource that this UL-grant includes each UE distribution (comprises carrier identification, frequency hopping mark, RB (ResourceBlock, Resource Block) distribute), the MCS (ModulationandCodingScheme of data, modulation coding mode), and other information (such as uplink power control information, HARQ (HybridAutomaticRepeatRequest, hybrid automatic repeat-request) process-related information, CSI (ChannelStateInformation, channel condition information) solicited message etc.).Object UE, after As-received stands in the UL-grant that TTIi ' sends, in the RB resource will specified, carries out the transmission of upstream data at TTIi in the MCS mode of specifying.Each UL-grant message only sends corresponding to the data of a up TTI (as 1ms), when namely each UE needs the upstream data of a transmission TTI, all needs base station to send corresponding UL-grant message.
Consider the scene that UDN scene mostly is accurate static, and the number of users accessing each UDN community is generally less.Such as, in Office Area, access point is generally densely deployed in the positions such as ceiling, and in access point to office, the channel of terminal room can be considered as accurate static, namely wireless channel along with the change of time comparatively slow.Therefore a kind of semi-static uplink scheduling mode may be there is in UDN, namely targeted customer is after TTIi ' receives the UL-grant information that base station to send to this UE for dispatched users uplink, all can continue to carry out upstream data transmission at TTIi and the TTI of N-1 subsequently, this N number of TTI is a semi-static scheduling cycle.In semi-static scheduling cycle, the running time-frequency resource indicated in the UL-grant that UE receives according to TTIi ' and MCS carry out the transmission sending upstream data, and base station is also according to reception and the demodulation of carrying out upstream data for the running time-frequency resource indicated in the UL-grant of this object UE and MCS that TTIi ' sends.
A kind of situation that may occur in semi-persistent scheduling is: UE sends to the data of base station just to pass before semi-static scheduling cycle terminates.Such as in N-j (supposing N >=j+1) individual TTI, the upstream data of UE to base station is sent, but base station does not also know that the upstream data of object UE is sent, therefore the running time-frequency resource place that the UL-grant for this object UE that base station also can go TTIi ' to send in N-j+1 TTI indicates receives data, and the information such as the MCS indicated according to this UL-grant carry out data demodulates, the data that the demodulation that now base station can not be correct certainly receives.This kind of incorrect situation of demodulation will be continued until that N number of TTI terminates, in this process, base station just has unnecessary power consumption, and the resource (distributing to the resource of object UE in TTIN-j+1 ~ N) originally can distributing to other UE has also been wasted.
Summary of the invention
The present invention just based on above-mentioned technical problem one of at least, propose a kind of data transmission scheme for super-intensive network newly, make in the process of semi-persistent scheduling, the power consumption of base station can be reduced, also can avoid the waste of uplink time/frequency source simultaneously, improve the utilance of transmitting uplink data resource.
In view of this, according to a first aspect of the invention, propose a kind of data transmission method for super-intensive network, be applicable to terminal, comprise: receive the Downlink Control Information including uplink scheduling information that base station sends in appointment TTI; Specifying in TTI that TTI is corresponding with described, and after the TTI of described correspondence in a predetermined quantity TTI, the upstream data that base station sends according to described uplink scheduling information subtend carries out modulating and sending; Target TTI residing when determining that described upstream data is sent completely; Preset before TTI if described target TTI is arranged in a described predetermined quantity TTI, then in the physical uplink signaling of described target TTI to described base station feedback indication information, described indication information represents that described upstream data is sent completely.
In this technical scheme, terminal is in the process of semi-persistent scheduling, target TTI residing during by determining that upstream data is sent completely, and when target TTI is arranged in before an above-mentioned predetermined quantity TTI presets TTI, to the indication information that base station feedback upstream data has been sent completely, make base station can be in target TTI in an above-mentioned predetermined quantity TTI after TTI in do not reattempt and receive the upstream data of this target terminal, and then the power consumption of base station can be reduced, simultaneously the script after being in target TTI can be distributed to the time-frequency resource allocating of target terminal to other-end by base station, avoid the waste of uplink time/frequency source, improve the utilance of transmitting uplink data resource.
Wherein, default TTI can be last TTI in above-mentioned predetermined quantity, also can be predefined or base station by high-level signaling or physical layer signaling configuration other TTI.
In technique scheme, preferably, also comprise: obtain the value of predefined described predetermined quantity and the information of described default TTI; Or
Receive described base station by high-level signaling or physical layer signaling configuration the value of described predetermined quantity and the information of described default TTI.
In this technical scheme, for the value of predetermined quantity and the information of default TTI, terminal can obtain the predefined value specified in standard agreement, or receives the value of base station configuration.
According to a second aspect of the invention, also proposed a kind of data transmission method for super-intensive network, be applicable to base station, comprise: in appointment TTI, determine the uplink scheduling information to target terminal; In described appointment TTI, the Downlink Control Information comprising described uplink scheduling information is sent to described target terminal, to make described target terminal specifying in TTI that TTI is corresponding with described, and after the TTI of described correspondence in a predetermined quantity TTI, the upstream data that base station sends according to described uplink scheduling information subtend carries out modulating and sending; Receive the upstream data that described target terminal sends, and judge whether to receive the indication information that described target terminal feeds back in row signaling physically, described indication information represents that described upstream data is sent completely; If receive described indication information, then determine follow-up scheduling strategy according to described indication information.
In this technical scheme, base station is in the process of semi-persistent scheduling, by judging whether the indication information that the expression upstream data receiving target terminal feedback has been sent completely, to determine follow-up scheduling strategy according to indication information, the upstream data receiving this target terminal is not reattempted in the TTI making base station can be in after the TTI receiving indication information in an above-mentioned predetermined quantity TTI, and then the power consumption of base station can be reduced, the script be in after the TTI receiving indication information can be distributed to the time-frequency resource allocating of target terminal to other-end by base station simultaneously, avoid the waste of uplink time/frequency source, improve the utilance of transmitting uplink data resource.Certainly, base station, when receiving the indication information that terminal sends, also can be selected the script be in after the TTI receiving indication information not to be distributed to the time-frequency resource allocating of target terminal to other-end.
In technique scheme, preferably, also comprise: in a described predetermined quantity TTI, if desired send Downlink Control Information to described target terminal, then send the Downlink Control Information not comprising described uplink scheduling information to described target terminal.
In above-mentioned arbitrary technical scheme, preferably, also comprise: the value obtaining predefined described predetermined quantity; Or the value of described predetermined quantity is set according to the time variation of the wireless channel of described super-intensive network, wherein, the value of described predetermined quantity becomes inverse correlation relation with the time variation of the wireless channel of described super-intensive network.
In this technical scheme, the value of predetermined quantity can be standard agreement regulation, and can also arrange according to the time variation of the wireless channel of super-intensive network, particularly, the time variation of wireless channel is lower, and the value of predetermined quantity is larger; On the contrary, the time variation of wireless channel is higher, and the value of predetermined quantity is less.
In above-mentioned arbitrary technical scheme, preferably, also comprise: configure the value of described predetermined quantity by high-level signaling or physical layer signaling to described target terminal.
In above-mentioned arbitrary technical scheme, preferably, described uplink scheduling information comprises: described terminal sends the carrier information and resource block information that described upstream data uses, and the MCS information that described terminal is modulated described upstream data and encoded.
According to a third aspect of the invention we, also proposed a kind of data transmission device for super-intensive network, be applicable to terminal, comprise: the first receiving element, for receiving the Downlink Control Information including uplink scheduling information that base station sends in appointment TTI; First transmitting element, be connected to described first receiving element, for specifying in TTI that TTI is corresponding with described, and after the TTI of described correspondence in a predetermined quantity TTI, the upstream data that base station sends according to described uplink scheduling information subtend carries out modulating and sending; Determining unit, is connected to described first transmitting element, target TTI residing during for determining that described upstream data is sent completely; Second transmitting element, be connected to described determining unit, during for being arranged at described target TTI before a described predetermined quantity TTI presets TTI, to described base station feedback indication information in the physical uplink signaling of described target TTI, described indication information represents that described upstream data is sent completely.
In this technical scheme, terminal is in the process of semi-persistent scheduling, target TTI residing during by determining that upstream data is sent completely, and when target TTI is arranged in before an above-mentioned predetermined quantity TTI presets TTI, to the indication information that base station feedback upstream data has been sent completely, make base station can be in target TTI in an above-mentioned predetermined quantity TTI after TTI in do not reattempt and receive the upstream data of this target terminal, and then the power consumption of base station can be reduced, simultaneously the script after being in target TTI can be distributed to the time-frequency resource allocating of target terminal to other-end by base station, avoid the waste of uplink time/frequency source, improve the utilance of transmitting uplink data resource.
Wherein, default TTI can be last TTI in above-mentioned predetermined quantity, also can be predefined or base station by high-level signaling or physical layer signaling configuration other TTI.
In technique scheme, preferably, also comprise: acquiring unit, be connected to described first transmitting element, for the information of the value and described default TTI that obtain predefined described predetermined quantity, and be sent to described first transmitting element; Or
Second receiving element, is connected to described first transmitting element, for receiving described base station by the value of described predetermined quantity of high-level signaling or physical layer signaling configuration and the information of described default TTI, and is sent to described first transmitting element.
In this technical scheme, for the value of predetermined quantity and the information of default TTI, terminal can obtain the predefined value specified in standard agreement, or receives the value of base station configuration.
According to a forth aspect of the invention, also proposed a kind of data transmission device for super-intensive network, be applicable to base station, comprise: determining unit, in appointment TTI, determine the uplink scheduling information to target terminal; Transmitting element, be connected to described determining unit, for in described appointment TTI, the Downlink Control Information comprising described uplink scheduling information is sent to described target terminal, to make described target terminal specifying in TTI that TTI is corresponding with described, and after the TTI of described correspondence in a predetermined quantity TTI, the upstream data that base station sends according to described uplink scheduling information subtend carries out modulating and sending; Receiving element, for receiving the upstream data that described target terminal sends, and judge whether to receive the indication information that described target terminal feeds back in row signaling physically, described indication information represents that described upstream data is sent completely; Processing unit, is connected to described receiving element, for when described receiving element receives described indication information, determines follow-up scheduling strategy according to described indication information.
In this technical scheme, base station is in the process of semi-persistent scheduling, by judging whether the indication information that the expression upstream data receiving target terminal feedback has been sent completely, to determine follow-up scheduling strategy according to indication information, do not reattempt in the TTI making base station can be in after the TTI receiving indication information in an above-mentioned predetermined quantity TTI and receive this target terminal upstream data, and then the power consumption of base station can be reduced, the script be in after the TTI receiving indication information can be distributed to the time-frequency resource allocating of target terminal to other-end by base station simultaneously, avoid the waste of uplink time/frequency source, improve the utilance of transmitting uplink data resource.Certainly, base station, when receiving the indication information that terminal sends, also can be selected the script be in after the TTI receiving indication information not to be distributed to the time-frequency resource allocating of target terminal to other-end.
In technique scheme, preferably, described transmitting element also for: in a described predetermined quantity TTI, if desired send Downlink Control Information to described target terminal, then send the Downlink Control Information not comprising described uplink scheduling information to described target terminal.
In above-mentioned arbitrary technical scheme, preferably, also comprising: acquiring unit, be connected to described transmitting element, for obtaining the value of predefined described predetermined quantity, and being sent to described transmitting element; Or
Setting unit, be connected to described transmitting element, the time variation for the wireless channel according to described super-intensive network arranges the value of described predetermined quantity, and is sent to described transmitting element, wherein, the value of described predetermined quantity becomes inverse correlation relation with the time variation of the wireless channel of described super-intensive network.
In this technical scheme, the value of predetermined quantity can be standard agreement regulation, and can also arrange according to the time variation of the wireless channel of super-intensive network, particularly, the time variation of wireless channel is lower, and the value of predetermined quantity is larger; On the contrary, the time variation of wireless channel is higher, and the value of predetermined quantity is less.
In above-mentioned arbitrary technical scheme, preferably, also comprise: dispensing unit, for configuring the value of described predetermined quantity by high-level signaling or physical layer signaling to described target terminal.
In above-mentioned arbitrary technical scheme, preferably, described uplink scheduling information comprises: described terminal sends the carrier information and resource block information that described upstream data uses, and the MCS information that described terminal is modulated described upstream data and encoded.
By above technical scheme, make in the process of semi-persistent scheduling, terminal can to base station feedback indication information after the transmission completing upstream data, and then base station can not reattempt the upstream data receiving this target terminal in the TTI after the target TTI receiving indication information, and then the power consumption of base station can be reduced, simultaneously the script after being in target TTI can be distributed to the time-frequency resource allocating of target terminal to other-end by base station, avoid the waste of uplink time/frequency source, improve the utilance of transmitting uplink data resource.
Accompanying drawing explanation
Fig. 1 shows the schematic flow diagram of the data transmission method for super-intensive network according to first embodiment of the invention;
Fig. 2 shows the schematic block diagram of the data transmission device for super-intensive network according to first embodiment of the invention;
Fig. 3 shows the schematic block diagram of terminal according to an embodiment of the invention;
Fig. 4 shows the schematic flow diagram of the data transmission method for super-intensive network according to second embodiment of the present invention;
Fig. 5 shows the schematic block diagram of the data transmission device for super-intensive network according to second embodiment of the present invention;
Fig. 6 shows the schematic block diagram of base station according to an embodiment of the invention.
Embodiment
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
Fig. 1 shows the schematic flow diagram of the data transmission method for super-intensive network according to first embodiment of the invention.
As shown in Figure 1, the data transmission method for super-intensive network according to first embodiment of the invention, is applicable to terminal, comprises:
Step 102, receives the Downlink Control Information including uplink scheduling information that base station sends in appointment TTI;
Step 104, specifying in TTI that TTI is corresponding with described, and after the TTI of described correspondence in a predetermined quantity TTI, the upstream data that base station sends according to described uplink scheduling information subtend carries out modulating and sending;
Step 106, target TTI residing when determining that described upstream data is sent completely;
Step 108, presets before TTI if described target TTI is arranged in a described predetermined quantity TTI, then in the physical uplink signaling of described target TTI to described base station feedback indication information, described indication information represents that described upstream data is sent completely.
In this technical scheme, terminal is in the process of semi-persistent scheduling, target TTI residing during by determining that upstream data is sent completely, and when target TTI is arranged in before an above-mentioned predetermined quantity TTI presets TTI, to the indication information that base station feedback upstream data has been sent completely, make base station can be in target TTI in an above-mentioned predetermined quantity TTI after TTI in do not reattempt and receive the upstream data of this target terminal, and then the power consumption of base station can be reduced, simultaneously the script after being in target TTI can be distributed to the time-frequency resource allocating of target terminal to other-end by base station, avoid the waste of uplink time/frequency source, improve the utilance of transmitting uplink data resource.
Wherein, default TTI can be last TTI in above-mentioned predetermined quantity, also can be predefined or base station by high-level signaling or physical layer signaling configuration other TTI.
In technique scheme, preferably, also comprise: obtain the value of predefined described predetermined quantity and the information of described default TTI; Or
Receive described base station by high-level signaling or physical layer signaling configuration the value of described predetermined quantity and the information of described default TTI.
In this technical scheme, for the value of predetermined quantity and the information of default TTI, terminal can obtain the predefined value specified in standard agreement, or receives the value of base station configuration.
Fig. 2 shows the schematic block diagram of the data transmission device for super-intensive network according to first embodiment of the invention.
As shown in Figure 2, the data transmission device 200 for super-intensive network according to first embodiment of the invention, is applicable to terminal, comprises: the first receiving element 202, first transmitting element 204, determining unit 206 and the second transmitting element 208.
Wherein, the first receiving element 202, for receiving the Downlink Control Information including uplink scheduling information that base station sends in appointment TTI; First transmitting element 204, be connected to described first receiving element 202, for specifying in TTI that TTI is corresponding with described, and after the TTI of described correspondence in a predetermined quantity TTI, the upstream data that base station sends according to described uplink scheduling information subtend carries out modulating and sending; Determining unit 206, is connected to described first transmitting element 204, target TTI residing during for determining that described upstream data is sent completely; Second transmitting element 208, be connected to described determining unit 206, during for being arranged at described target TTI before a described predetermined quantity TTI presets TTI, to described base station feedback indication information in the physical uplink signaling of described target TTI, described indication information represents that described upstream data is sent completely.
In this technical scheme, terminal is in the process of semi-persistent scheduling, target TTI residing during by determining that upstream data is sent completely, and when target TTI is arranged in before an above-mentioned predetermined quantity TTI presets TTI, to the indication information that base station feedback upstream data has been sent completely, make base station can be in target TTI in an above-mentioned predetermined quantity TTI after TTI in do not reattempt and receive the upstream data of this target terminal, and then the power consumption of base station can be reduced, simultaneously the script after being in target TTI can be distributed to the time-frequency resource allocating of target terminal to other-end by base station, avoid the waste of uplink time/frequency source, improve the utilance of transmitting uplink data resource.
Wherein, default TTI can be last TTI in above-mentioned predetermined quantity, also can be predefined or base station by high-level signaling or physical layer signaling configuration other TTI.
In technique scheme, preferably, also comprise: acquiring unit 210, be connected to described first transmitting element 204, for the information of the value and described default TTI that obtain predefined described predetermined quantity, and be sent to described first transmitting element 204; Or
Second receiving element 212, is connected to described first transmitting element 204, for receiving described base station by the value of described predetermined quantity of high-level signaling or physical layer signaling configuration and the information of described default TTI, and is sent to described first transmitting element 204.
In this technical scheme, for the value of predetermined quantity and the information of default TTI, terminal can obtain the predefined value specified in standard agreement, or receives the value of base station configuration.
Fig. 3 shows the schematic block diagram of terminal according to an embodiment of the invention.
As shown in Figure 3, terminal 300 according to an embodiment of the invention, comprising: as shown in Figure 2 for the data transmission device 200 of super-intensive network.
Fig. 4 shows the schematic flow diagram of the data transmission method for super-intensive network according to second embodiment of the present invention.
As shown in Figure 4, according to the data transmission method for super-intensive network of second embodiment of the present invention, be applicable to base station, comprise:
Step 402, in appointment TTI, determines the uplink scheduling information to target terminal;
Step 404, in described appointment TTI, the Downlink Control Information comprising described uplink scheduling information is sent to described target terminal, to make described target terminal specifying in TTI that TTI is corresponding with described, and after the TTI of described correspondence in a predetermined quantity TTI, the upstream data that base station sends according to described uplink scheduling information subtend carries out modulating and sending;
Step 406, receives the upstream data that described target terminal sends, and judges whether to receive the indication information that described target terminal feeds back in row signaling physically, and described indication information represents that described upstream data is sent completely;
Step 408, if receive described indication information, then determines follow-up scheduling strategy according to described indication information.
In this technical scheme, base station is in the process of semi-persistent scheduling, by judging whether the indication information that the expression upstream data receiving target terminal feedback has been sent completely, to determine follow-up scheduling strategy according to indication information, the upstream data receiving this target terminal is not reattempted in the TTI making base station can be in after the TTI receiving indication information in an above-mentioned predetermined quantity TTI, and then the power consumption of base station can be reduced, the script be in after the TTI receiving indication information can be distributed to the time-frequency resource allocating of target terminal to other-end by base station simultaneously, avoid the waste of uplink time/frequency source, improve the utilance of transmitting uplink data resource.Certainly, when receiving the indication information that terminal sends, also can select to turn a blind eye to, namely the TTI be in after the TTI receiving indication information not distributed to other-end in base station.
In technique scheme, preferably, also comprise: in a described predetermined quantity TTI, if desired send Downlink Control Information to described target terminal, then send the Downlink Control Information not comprising described uplink scheduling information to described target terminal.
In above-mentioned arbitrary technical scheme, preferably, also comprise: the value obtaining predefined described predetermined quantity; Or the value of described predetermined quantity is set according to the time variation of the wireless channel of described super-intensive network, wherein, the value of described predetermined quantity becomes inverse correlation relation with the time variation of the wireless channel of described super-intensive network.
In this technical scheme, the value of predetermined quantity can be standard agreement regulation, and can also arrange according to the time variation of the wireless channel of super-intensive network, particularly, the time variation of wireless channel is lower, and the value of predetermined quantity is larger; On the contrary, the time variation of wireless channel is higher, and the value of predetermined quantity is less.
In above-mentioned arbitrary technical scheme, preferably, also comprise: configure the value of described predetermined quantity by high-level signaling or physical layer signaling to described target terminal.
In above-mentioned arbitrary technical scheme, preferably, described uplink scheduling information comprises: described terminal sends the carrier information and resource block information that described upstream data uses, and the MCS information that described terminal is modulated described upstream data and encoded.
Fig. 5 shows the schematic block diagram of the data transmission device for super-intensive network according to second embodiment of the present invention.
As shown in Figure 5, according to the data transmission device 500 for super-intensive network of second embodiment of the present invention, be applicable to base station, comprise: determining unit 502, transmitting element 504, receiving element 506 and processing unit 508.
Wherein, determining unit 502, in appointment TTI, determines the uplink scheduling information to target terminal; Transmitting element 504, be connected to described determining unit 502, for in described appointment TTI, the Downlink Control Information comprising described uplink scheduling information is sent to described target terminal, to make described target terminal specifying in TTI that TTI is corresponding with described, and after the TTI of described correspondence in a predetermined quantity TTI, the upstream data that base station sends according to described uplink scheduling information subtend carries out modulating and sending; Receiving element 506, for receiving the upstream data that described target terminal sends, and judge whether to receive the indication information that described target terminal feeds back in row signaling physically, described indication information represents that described upstream data is sent completely; Processing unit 508, is connected to described receiving element 506, for when described receiving element 506 receives described indication information, determines follow-up scheduling strategy according to described indication information.
In this technical scheme, base station is in the process of semi-persistent scheduling, by judging whether the indication information that the expression upstream data receiving target terminal feedback has been sent completely, to determine follow-up scheduling strategy according to indication information, the upstream data receiving this target terminal is not reattempted in the TTI making base station can be in after the TTI receiving indication information in an above-mentioned predetermined quantity TTI, and then the power consumption of base station can be reduced, the script be in after the TTI receiving indication information can be distributed to the time-frequency resource allocating of target terminal to other-end by base station simultaneously, avoid the waste of uplink time/frequency source, improve the utilance of transmitting uplink data resource.Certainly, base station, when receiving the indication information that terminal sends, also can be selected the script be in after the TTI receiving indication information not to be distributed to the time-frequency resource allocating of target terminal to other-end.
In technique scheme, preferably, described transmitting element 504 also for: in a described predetermined quantity TTI, if desired send Downlink Control Information to described target terminal, then send the Downlink Control Information not comprising described uplink scheduling information to described target terminal.
In above-mentioned arbitrary technical scheme, preferably, also comprising: acquiring unit 510, be connected to described transmitting element 504, for obtaining the value of predefined described predetermined quantity, and being sent to described transmitting element 504; Or
Setting unit 512, be connected to described transmitting element 504, time variation for the wireless channel according to described super-intensive network arranges the value of described predetermined quantity, and be sent to described transmitting element 504, wherein, the value of described predetermined quantity becomes inverse correlation relation with the time variation of the wireless channel of described super-intensive network.
In this technical scheme, the value of predetermined quantity can be standard agreement regulation, and can also arrange according to the time variation of the wireless channel of super-intensive network, particularly, the time variation of wireless channel is lower, and the value of predetermined quantity is larger; On the contrary, the time variation of wireless channel is higher, and the value of predetermined quantity is less.
In above-mentioned arbitrary technical scheme, preferably, also comprise: dispensing unit 514, for configuring the value of described predetermined quantity by high-level signaling or physical layer signaling to described target terminal.
In above-mentioned arbitrary technical scheme, preferably, described uplink scheduling information comprises: described terminal sends the carrier information and resource block information that described upstream data uses, and the MCS information that described terminal is modulated described upstream data and encoded.
Fig. 6 shows the schematic block diagram of base station according to an embodiment of the invention.
As shown in Figure 6, base station 600 according to an embodiment of the invention, comprising: as shown in Figure 5 for the data transmission device 500 of super-intensive network.
In sum, the present invention mainly proposes a kind of method of carrying out transmitting uplink data in super-intensive network.In the method, the uplink of base station and object UE is in the state of semi-persistent scheduling, and the cycle of semi-persistent scheduling is N number of TTI.When before default TTI, object UE is sent to the data of base station, in the physical uplink signaling in that TTI that end data sends, object UE needs to add and represents that the upstream data of this object UE sends and terminated or signaling that semi-persistent scheduling has terminated.Specifically comprise the following steps:
1, under semi-persistent scheduling state, the TTI that object UE true directional base station transmission upstream data terminates (supposes that semi-static scheduling cycle is N number of TTI, default TTI is M, M<N, the relative numbering of this TTI in semi-static scheduling cycle is i, namely this TTI is that i-th TTI, TTI numbering in this semi-static scheduling cycle is from 1);
If 2 i≤M, then object UE will add the signaling that downlink data transmission has terminated or semi-persistent scheduling has terminated representing this object UE in the physical uplink signaling of TTIi;
3, after base station receives the above-mentioned signaling of object UE, in several the remaining TTI in N number of TTI of semi-static scheduling cycle, follow-up scheduling operation can be determined according to this signaling.
Wherein, above-mentioned N, M value can be the preset value specified in a standard, can be by the value of base station by the semi-static configuration of high-level signaling, also can be by the value of the physical layer signaling dynamic-configuration of base station; The setting of above-mentioned N value can according to the environment residing for network, and particularly, when wireless channel time variation is lower, the value of N can be larger.
Base station is after receiving the above-mentioned signaling of object UE, the time-frequency resource allocating remaining some TTI Central Plains originally can being distributed to target terminal also can be selected still to attempt receiving and demodulating data in several remaining TTI to other-end, or stop the upstream data receiving and demodulating target terminal, but also originally will not distribute to the time-frequency resource allocating of target terminal to other-end.
More than be described with reference to the accompanying drawings technical scheme of the present invention, the present invention proposes a kind of data transmission scheme for super-intensive network newly, make in the process of semi-persistent scheduling, the power consumption of base station can be reduced, also can avoid the waste of uplink time/frequency source simultaneously, improve the utilance of transmitting uplink data resource.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. for a data transmission method for super-intensive network, be applicable to terminal, it is characterized in that, comprising:
Receive the Downlink Control Information including uplink scheduling information that base station sends in appointment TTI;
Specifying in TTI that TTI is corresponding with described, and after the TTI of described correspondence in a predetermined quantity TTI, the upstream data that base station sends according to described uplink scheduling information subtend carries out modulating and sending;
Target TTI residing when determining that described upstream data is sent completely;
Preset before TTI if described target TTI is arranged in a described predetermined quantity TTI, then in the physical uplink signaling of described target TTI to described base station feedback indication information, described indication information represents that described upstream data is sent completely.
2. the data transmission method for super-intensive network according to claim 1, is characterized in that, also comprise:
Obtain the value of predefined described predetermined quantity and the information of described default TTI; Or
Receive described base station by high-level signaling or physical layer signaling configuration the value of described predetermined quantity and the information of described default TTI.
3. for a data transmission method for super-intensive network, be applicable to base station, it is characterized in that, comprising:
In appointment TTI, determine the uplink scheduling information to target terminal;
In described appointment TTI, the Downlink Control Information comprising described uplink scheduling information is sent to described target terminal, to make described target terminal specifying in TTI that TTI is corresponding with described, and after the TTI of described correspondence in a predetermined quantity TTI, the upstream data that base station sends according to described uplink scheduling information subtend carries out modulating and sending;
Receive the upstream data that described target terminal sends, and judge whether to receive the indication information that described target terminal feeds back in row signaling physically, described indication information represents that described upstream data is sent completely;
If receive described indication information, then determine follow-up scheduling strategy according to described indication information.
4. the data transmission method for super-intensive network according to claim 3, is characterized in that, also comprise:
In a described predetermined quantity TTI, if desired send Downlink Control Information to described target terminal, then send the Downlink Control Information not comprising described uplink scheduling information to described target terminal.
5. the data transmission method for super-intensive network according to claim 3, is characterized in that, also comprise:
Obtain the value of predefined described predetermined quantity; Or
Arrange the value of described predetermined quantity according to the time variation of the wireless channel of described super-intensive network, wherein, the value of described predetermined quantity becomes inverse correlation relation with the time variation of the wireless channel of described super-intensive network.
6. the data transmission method for super-intensive network according to any one of claim 3 to 5, is characterized in that, also comprise:
The value of described predetermined quantity is configured to described target terminal by high-level signaling or physical layer signaling.
7. the data transmission method for super-intensive network according to any one of claim 3 to 5, is characterized in that, described uplink scheduling information comprises:
Described terminal sends the carrier information and resource block information that described upstream data uses, and the MCS information that described terminal is modulated described upstream data and encoded.
8. for a data transmission device for super-intensive network, be applicable to terminal, it is characterized in that, comprising:
First receiving element, for receiving the Downlink Control Information including uplink scheduling information that base station sends in appointment TTI;
First transmitting element, be connected to described first receiving element, for specifying in TTI that TTI is corresponding with described, and after the TTI of described correspondence in a predetermined quantity TTI, the upstream data that base station sends according to described uplink scheduling information subtend carries out modulating and sending;
Determining unit, is connected to described first transmitting element, target TTI residing during for determining that described upstream data is sent completely;
Second transmitting element, be connected to described determining unit, during for being arranged at described target TTI before a described predetermined quantity TTI presets TTI, to described base station feedback indication information in the physical uplink signaling of described target TTI, described indication information represents that described upstream data is sent completely.
9. the data transmission device for super-intensive network according to claim 8, is characterized in that, also comprise:
Acquiring unit, is connected to described first transmitting element, for the information of the value and described default TTI that obtain predefined described predetermined quantity, and is sent to described first transmitting element; Or
Second receiving element, is connected to described first transmitting element, for receiving described base station by the value of described predetermined quantity of high-level signaling or physical layer signaling configuration and the information of described default TTI, and is sent to described first transmitting element.
10. for a data transmission device for super-intensive network, be applicable to base station, it is characterized in that, comprising:
Determining unit, in appointment TTI, determines the uplink scheduling information to target terminal;
Transmitting element, be connected to described determining unit, for in described appointment TTI, the Downlink Control Information comprising described uplink scheduling information is sent to described target terminal, to make described target terminal specifying in TTI that TTI is corresponding with described, and after the TTI of described correspondence in a predetermined quantity TTI, the upstream data that base station sends according to described uplink scheduling information subtend carries out modulating and sending;
Receiving element, for receiving the upstream data that described target terminal sends, and judge whether to receive the indication information that described target terminal feeds back in row signaling physically, described indication information represents that described upstream data is sent completely;
Processing unit, is connected to described receiving element, for when described receiving element receives described indication information, determines follow-up scheduling strategy according to described indication information.
11. data transmission devices for super-intensive network according to claim 10, is characterized in that, described transmitting element also for:
In a described predetermined quantity TTI, if desired send Downlink Control Information to described target terminal, then send the Downlink Control Information not comprising described uplink scheduling information to described target terminal.
12. data transmission devices for super-intensive network according to claim 10, is characterized in that, also comprise:
Acquiring unit, is connected to described transmitting element, for obtaining the value of predefined described predetermined quantity, and is sent to described transmitting element; Or
Setting unit, be connected to described transmitting element, the time variation for the wireless channel according to described super-intensive network arranges the value of described predetermined quantity, and is sent to described transmitting element, wherein, the value of described predetermined quantity becomes inverse correlation relation with the time variation of the wireless channel of described super-intensive network.
13., according to claim 10 to the data transmission device for super-intensive network according to any one of 12, is characterized in that, also comprise:
Dispensing unit, for configuring the value of described predetermined quantity by high-level signaling or physical layer signaling to described target terminal.
14., according to claim 10 to the data transmission device for super-intensive network according to any one of 12, is characterized in that, described uplink scheduling information comprises:
Described terminal sends the carrier information and resource block information that described upstream data uses, and the MCS information that described terminal is modulated described upstream data and encoded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510930928.4A CN105323838A (en) | 2015-12-14 | 2015-12-14 | Data transmission method and data transmission device for ultra-dense networks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510930928.4A CN105323838A (en) | 2015-12-14 | 2015-12-14 | Data transmission method and data transmission device for ultra-dense networks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105323838A true CN105323838A (en) | 2016-02-10 |
Family
ID=55250229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510930928.4A Pending CN105323838A (en) | 2015-12-14 | 2015-12-14 | Data transmission method and data transmission device for ultra-dense networks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105323838A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105848265A (en) * | 2016-05-03 | 2016-08-10 | 上海华为技术有限公司 | Data transmitting method, terminal equipment and access network equipment |
| WO2018000247A1 (en) * | 2016-06-29 | 2018-01-04 | 华为技术有限公司 | Data transmission method and device |
| WO2018028607A1 (en) * | 2016-08-12 | 2018-02-15 | 中兴通讯股份有限公司 | Method and device for indicating transmission interval |
| CN109314954A (en) * | 2016-09-30 | 2019-02-05 | 华为技术有限公司 | A kind of configuration method and device of self-contained subframe |
| CN109451875A (en) * | 2017-12-22 | 2019-03-08 | 北京小米移动软件有限公司 | Method, base station, terminal and the system of data are transmitted under semi-persistent scheduling mode |
| CN109891951A (en) * | 2016-11-04 | 2019-06-14 | 高通股份有限公司 | No license frequency spectrum and the power control having in the access of license assist type, reporting techniques and control channel configuration |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102150467A (en) * | 2008-09-17 | 2011-08-10 | 松下电器产业株式会社 | Semi-persistent scheduled resource release procedure in a mobile communication network |
| CN102215590A (en) * | 2010-04-12 | 2011-10-12 | 中兴通讯股份有限公司 | Scheduling method and system |
| CN102318422A (en) * | 2008-12-12 | 2012-01-11 | 捷讯研究有限公司 | Uplink Semi-Persistent Scheduling Explicit Release Acknowledgement Transmission |
| CN103563273A (en) * | 2011-04-05 | 2014-02-05 | Lg电子株式会社 | Method and apparatus for scheduling in a wireless communication system |
| CN103875202A (en) * | 2011-10-09 | 2014-06-18 | Lg电子株式会社 | Method for setting starting position of data channel in wireless communication system and device using method |
| CN104427626A (en) * | 2013-08-23 | 2015-03-18 | 普天信息技术有限公司 | Semi-static scheduling method and system |
| CN104871627A (en) * | 2012-12-21 | 2015-08-26 | 瑞典爱立信有限公司 | Override of multi-TTI scheduling messages |
| CN105101428A (en) * | 2014-05-22 | 2015-11-25 | 中兴通讯股份有限公司 | Scheduling method and system, terminal, sending method, base station and scheduling method for base station |
-
2015
- 2015-12-14 CN CN201510930928.4A patent/CN105323838A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102150467A (en) * | 2008-09-17 | 2011-08-10 | 松下电器产业株式会社 | Semi-persistent scheduled resource release procedure in a mobile communication network |
| CN102318422A (en) * | 2008-12-12 | 2012-01-11 | 捷讯研究有限公司 | Uplink Semi-Persistent Scheduling Explicit Release Acknowledgement Transmission |
| CN102215590A (en) * | 2010-04-12 | 2011-10-12 | 中兴通讯股份有限公司 | Scheduling method and system |
| CN103563273A (en) * | 2011-04-05 | 2014-02-05 | Lg电子株式会社 | Method and apparatus for scheduling in a wireless communication system |
| CN103875202A (en) * | 2011-10-09 | 2014-06-18 | Lg电子株式会社 | Method for setting starting position of data channel in wireless communication system and device using method |
| CN104871627A (en) * | 2012-12-21 | 2015-08-26 | 瑞典爱立信有限公司 | Override of multi-TTI scheduling messages |
| CN104427626A (en) * | 2013-08-23 | 2015-03-18 | 普天信息技术有限公司 | Semi-static scheduling method and system |
| CN105101428A (en) * | 2014-05-22 | 2015-11-25 | 中兴通讯股份有限公司 | Scheduling method and system, terminal, sending method, base station and scheduling method for base station |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105848265A (en) * | 2016-05-03 | 2016-08-10 | 上海华为技术有限公司 | Data transmitting method, terminal equipment and access network equipment |
| WO2018000247A1 (en) * | 2016-06-29 | 2018-01-04 | 华为技术有限公司 | Data transmission method and device |
| CN109314976A (en) * | 2016-06-29 | 2019-02-05 | 华为技术有限公司 | A kind of data transmission method and device |
| WO2018028607A1 (en) * | 2016-08-12 | 2018-02-15 | 中兴通讯股份有限公司 | Method and device for indicating transmission interval |
| CN109314954A (en) * | 2016-09-30 | 2019-02-05 | 华为技术有限公司 | A kind of configuration method and device of self-contained subframe |
| US11595164B2 (en) | 2016-09-30 | 2023-02-28 | Huawei Technologies Co., Ltd. | Self-contained subframe configuration method and apparatus |
| CN109891951A (en) * | 2016-11-04 | 2019-06-14 | 高通股份有限公司 | No license frequency spectrum and the power control having in the access of license assist type, reporting techniques and control channel configuration |
| CN109891951B (en) * | 2016-11-04 | 2021-09-10 | 高通股份有限公司 | Power control, reporting techniques and control channel configuration in unlicensed spectrum and licensed assisted access |
| CN109451875A (en) * | 2017-12-22 | 2019-03-08 | 北京小米移动软件有限公司 | Method, base station, terminal and the system of data are transmitted under semi-persistent scheduling mode |
| WO2019119448A1 (en) * | 2017-12-22 | 2019-06-27 | 北京小米移动软件有限公司 | Method and system for data transmission in semi-persistent scheduling mode, base station, and terminal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109075921B (en) | Feedback information transmission method, device and system between Internet of vehicles equipment | |
| CN109075908B (en) | Feedback information transmission method, device and system between Internet of vehicles equipment | |
| CN105323838A (en) | Data transmission method and data transmission device for ultra-dense networks | |
| CN105246164A (en) | Data transmission method and data transmission device for ultra-dense network | |
| CN105430755A (en) | Data transmission method and data transmission apparatus used for ultra-dense network | |
| CN103037524B (en) | Double-period dynamic configuration method for ratio between TDD (Time Division Duplex) uplink subframes and TDD downlink subframes, base station, system and communication equipment | |
| CN103081528B (en) | For reporting the method and apparatus of maximum transmit power in wireless communications | |
| CN101978757B (en) | Fast carrier allocation in multi-carrier systems | |
| CN106413105B (en) | Resource transmission indicating method, device, network side equipment and terminal | |
| CN105580476B (en) | Communication system, infrastructure equipment, communication terminal and method | |
| CN108111281B (en) | Data channel parameter configuration method and device | |
| RU2012134826A (en) | METHODS AND DEVICE FOR COMPETITION-BASED PROVISION OF WIRELESS COMMUNICATION NETWORKS | |
| CN105637793A (en) | Power density boosting in uplink shared channels | |
| CN102045857B (en) | Method for dispatching resources in orthogonal frequency division multiplexing (OFDM) system and base station | |
| CN104937867A (en) | Intercell interference coordination accounting for machine type communication | |
| CN109565761A (en) | Method and apparatus for the power distribution across the multiple carrier waves for using shared and special-purpose radio-frequency frequency spectrum | |
| CN104823501A (en) | Method, apparatus and system for uplink radio resource allocation in LTE communication system | |
| CN104350796A (en) | Wireless communication system, wireless base station device, terminal device, and method for allocating wireless resources | |
| CN105515721A (en) | Bit digit indication method and device | |
| CN102948242B (en) | Base station in mobile communication system and method | |
| CN102595604B (en) | Method and system for transmitting control information from base station to terminal | |
| WO2016070675A1 (en) | Method and device for sending downlink information and receiving downlink information | |
| CN102869106A (en) | Self-adaption adjusting method and device of PDCCH (physical downlink control channel) | |
| CN110324897A (en) | The instruction method for sending information and device, method of reseptance and device, storage medium, base station, user terminal of frequency domain resource distribution | |
| CN110099451A (en) | Dispatching method and device in a kind of wireless communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160210 |