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CN102035780A - Method and device for multiplexing physical uplink control channel - Google Patents

Method and device for multiplexing physical uplink control channel Download PDF

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Publication number
CN102035780A
CN102035780A CN2009101787583A CN200910178758A CN102035780A CN 102035780 A CN102035780 A CN 102035780A CN 2009101787583 A CN2009101787583 A CN 2009101787583A CN 200910178758 A CN200910178758 A CN 200910178758A CN 102035780 A CN102035780 A CN 102035780A
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control channel
physical uplink
uplink control
link
resource
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CN2009101787583A
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CN102035780B (en
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毕峰
杨瑾
袁明
梁枫
吴栓栓
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ZTE Corp
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ZTE Corp
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Abstract

The invention discloses a method and a device for multiplexing a physical uplink control channel. The method comprises the steps of: when receiving and transmission switching or transmission and receiving switching is needed between sub-frames on a relay node side, multiplexing the physical uplink control channel of a relay link from a base station to a relay node and the physical uplink control channel of a direct link from the base station to a terminal on different resource blocks; and when the receiving and transmission switching or the transmission and receiving switching is not needed between the sub-frames on the relay node side, multiplexing the physical uplink control channel of the relay link and the physical uplink control channel of the direct link on the same resource block or different resource blocks. The method and the device can be excellently applied to a system in which the relay node is introduced, are flexible in multiplexing mode and solve the problem of multiplexing of the physical uplink control channel of the relay link and the physical uplink control channel of the direct link.

Description

Method that a kind of Physical Uplink Control Channel is multiplexing and device
Technical field
The present invention relates to the communications field, more specifically, relate to multiplexing method of a kind of Physical Uplink Control Channel and device.
Background technology
LTE (Long Term Evolution, Long Term Evolution) system, LTE-A (LTE Advanced, the LTE enhancing) system, IMT-Advanced (International Mobile Telecommunication Advanced, senior international mobile communication system) all be with OFDM (Orthogonal Frequency Division Multiplexing, OFDM) technology be the basis.Mainly the data mode of time-frequency bidimensional in ofdm system.As shown in Figure 1, Resource Block in LTE, LTE-A (Resource Block is called for short RB) is defined as the OFDM symbol in continuous 1 time slot (slot) on time-domain, and continuous 12 or 24 subcarriers on frequency domain are so 1 RB comprises Individual Resource Unit (Resource Element is called for short RE), wherein N SymbThe number of representing the OFDM symbol in 1 slot,
Figure B2009101787583D0000012
The number of expression Resource Block continuous subcarrier on frequency domain.RB is mapped in and then is called Physical Resource Block (Physical Resource Block is called for short PRB) on the physical resource.
(the Physical Uplink Control Channel of PUCCH in the present LTE system, Physical Uplink Control Channel) is used for loading ACK/NACK (Acknowledgement/Negative Acknowledgement, confirmed/non-confirmed information), CQI (Channel Quality Indicator, the channel quality indication), SRI information such as (Scheduling Requirement Indicator, dispatch request indications).The PUCCH of different-format is used for sending and comprises: SRI, uplink ACK/NACK, CQI feedback, and perhaps different ascending control information such as CQI feedback+ACK/NACK, as shown in the table, PUCCH has different-format as shown in the table:
Figure B2009101787583D0000021
Wherein, PUCCH format 1/1a/1b's is multiplexing by frequency domain CDM (Code Division Multiplexing between different user, code division multiple access) code (Zadoff-Chu cyclic shift, the ZC cyclically shifted sequences) and time domain CDM code (orthogonal cover, orthogonal code) determines, promptly the Cyclic Shift by orthogonal code and CAZAC (Constant Amplitude Zero Auto Correlation, constant amplitude zero auto-correlation) sequence distinguishes different users; The multiplexing of PUCCH format 2/2a/2b determines that by frequency domain CDM code (ZC cyclic shift) promptly the Cyclic Shift by the CAZAC sequence distinguishes different users between different user.
As shown in Figure 2, the link that introducing relay (via node) in the LTE-A system has increased between new link: eNode-B (base station) and the relay afterwards is called backhaul link (back haul link or repeated link), relay and UE (User Equipment, subscriber equipment) link between is called access link (access link), and the link between eNode-B and the UE is called direct link (link direct transfers).
As shown in Figure 3, the PUCCH of terminal to base station and via node are to R-PUCCH (the Relay link-Physical Uplink Control Channel of base station, the Physical Uplink Control Channel of repeated link) mode of frequency hopping between the employing time slot, promptly transmit PUCCH or R-PUCCH on the both sides of upstream band, frequency band intermediate conveyor PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel) or R-PUSCH.
Fig. 4 shows and uses Normal CP (normal cyclic prefix), and the ZC cyclically shifted sequences is spaced apart the schematic diagram of the interior resource channelizing of Resource Block in 2 o'clock, wherein, CS_index be ZC cyclically shifted sequences index (" 0 ", " 1 ", " 2 " ..., " 11 "), OC_index is orthogonal code sequence index (" 0 ", " 1 ", " 2 ").
During relaying (inband-relay), relay can't receive and dispatch simultaneously, needs 1 " gap " (at interval) to finish the conversion of a transmitting-receiving or a receipts state between transmitting and receiving in adopting band.And the PUCCH of LTE does not have " gap " at present, so cause the PUCCH of terminal to base station and via node to have difference to the design between the R-PUCCH of base station.
At present, research for downlink relay link is a focus, control information of being carried in the Physical Uplink Control Channel as the design of R-PDCCH (Physical Downlink Control Channel of repeated link, Relay link-Physical Downlink Control Channel), repeated link such as the feedback of ACK/NACK are regularly etc.But in the prior art, do not launch research at the Physical Uplink Control Channel of repeated link and the multiplexing method of the Physical Uplink Control Channel of the link that direct transfers.
Summary of the invention
The technical problem to be solved in the present invention provides multiplexing method of a kind of Physical Uplink Control Channel and device, and in the clear and definite LTE-A system, via node is to the multiplexing method of ascending physical signal control channel of base station and terminal to base station.
In order to address the above problem, the invention provides the multiplexing method of a kind of Physical Uplink Control Channel, comprising:
When needing transmitting-receiving between via node side subframe or sending out receipts to switch, that the base station is multiplexing on different Resource Block to the Physical Uplink Control Channel of the link that direct transfers of terminal with the base station to the Physical Uplink Control Channel of the repeated link of via node;
Do not need transmitting-receiving between via node side subframe or when send out to receive switching, the Physical Uplink Control Channel of the Physical Uplink Control Channel of described repeated link and the described link that direct transfers is multiplexing on identical or different Resource Block.
Further, need transmitting-receiving or send out to receive switch to be meant between described via node side subframe: current subframe of described via node side and next son interframe need receive and dispatch or send out to receive and switch;
Do not need transmitting-receiving between described via node side subframe or send out to receive to switch to be meant: current subframe of described via node side and next son interframe do not need transmitting-receiving or send out to receive to switch.
Further, described multiplexingly be meant on the same resource block: on same Resource Block, the Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers is the ascending control information of multiplexing via node and terminal respectively;
Multiplexing on same resource block the time when the Physical Uplink Control Channel of the Physical Uplink Control Channel of relaying link and the link that direct transfers, its multiplex mode is a resource multiplexing or resource hybrid multiplex fully.
Further, multiplexing fully multiplexing all the orthogonal sequence resources of Physical Uplink Control Channel, cyclic shift resource or orthogonal sequence resource and the cyclic shift resource that is meant the Physical Uplink Control Channel of repeated link and the link that direct transfers of described resource; Described resource hybrid multiplex is meant Physical Uplink Control Channel multiplexing part orthogonal sequence resource, cyclic shift resource or the orthogonal sequence resource and the cyclic shift resource of the Physical Uplink Control Channel of repeated link and the link that direct transfers.
Further, described multiplexingly be meant on the different resource piece: distributing on the Resource Block of repeated link, the Physical Uplink Control Channel of repeated link is the ascending control information of multiplexing via node only; On the Resource Block of distributing to the link that direct transfers, the Physical Uplink Control Channel of the link that direct transfers is the ascending control information of multiplex terminal only.
Further, if sub-frame of uplink uses normal cyclic prefix, and a transmitting-receiving or a receipts are switched 1 the OFDM symbol that takies in the sub-frame of uplink, then for the Physical Uplink Control Channel of format 1/1a/1b form, in two time slots of described sub-frame of uplink, occupied time slot adopts the form that shortens, and another time slot then adopts normal format; For the Physical Uplink Control Channel of format 2/2a/2b form, occupied time slot adopts the form of 1 reference symbol in the described sub-frame of uplink, and another time slot then adopts the form of 2 reference symbols.
Further, if sub-frame of uplink uses normal cyclic prefix, a transmitting-receiving or a receipts are switched 2 OFDM symbols that take in the sub-frame of uplink, and occupied OFDM symbol is arranged in two time slots of described sub-frame of uplink, then for the Physical Uplink Control Channel of format 1/1a/1b form, two time slots of described sub-frame of uplink all adopt the form of shortening; For the Physical Uplink Control Channel of format 2/2a/2b form, two time slots of described sub-frame of uplink all adopt the form of 1 reference symbol.
Further, if sub-frame of uplink uses extended cyclic prefix, and a transmitting-receiving or a receipts are switched 1 the OFDM symbol that takies in the sub-frame of uplink, then for the Physical Uplink Control Channel of format 1/1a/1b form, in two time slots of described sub-frame of uplink, occupied time slot adopts the form that shortens, and another time slot then adopts normal format; For the Physical Uplink Control Channel of format 2/2a/2b form, do not carry format 2/2a/2b form this moment, or determine code rate according to available OFDM symbolic number.
Further, if sub-frame of uplink uses extended cyclic prefix, a transmitting-receiving or a receipts are switched 2 OFDM symbols that take in the sub-frame of uplink, and occupied OFDM symbol is arranged in two time slots of described sub-frame of uplink, then for the Physical Uplink Control Channel of format 1/1a/1b form, two time slots of described sub-frame of uplink all adopt the form of shortening; For the Physical Uplink Control Channel of format 2/2a/2b form, do not carry format 2/2a/2b form this moment, or determine code rate according to available OFDM symbolic number.
Further, when the Physical Uplink Control Channel of transmission trunking link, adopt the mode of frequency hopping between time slot or non-frequency hopping.
The present invention also provides a kind of Physical Uplink Control Channel multiplexer, comprises switching judging unit and resource multiplex unit, wherein:
Described switching judging unit is used for, and whether judge needs transmitting-receiving or send out to receive to switch between via node side subframe, and judged result is transferred to described resource multiplex unit;
Described resource multiplex unit is used for, according to the described judged result that receives, if described judged result is switched for not needing transmitting-receiving or sending out to receive, and is then that the Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers is multiplexing on identical or different Resource Block; If described judged result is switched for needing transmitting-receiving or sending out to receive, and is then that the Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers is multiplexing on the different resource piece.
Further, described switching judging unit is according to the whether needs transmitting-receiving or send out to receive and switch of the current subframe of described via node side and next son interframe, and whether judge needs transmitting-receiving or send out to receive to switch between via node side subframe.
Further, described resource multiplex unit is multiplexing on same resource block the time with the Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers, same Resource Block is distributed to repeated link and the link that direct transfers simultaneously, on this Resource Block, the Physical Uplink Control Channel multiplexing via node of difference of the Physical Uplink Control Channel of repeated link and the link that direct transfers and the ascending control information of terminal.
Further, described resource multiplex unit is multiplexing on same resource block the time with the Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers, and its multiplex mode is a resource multiplexing or resource hybrid multiplex fully;
Wherein, multiplexing fully all orthogonal sequence resources, cyclic shift resource or orthogonal sequence resource and the cyclic shift resource that is meant the multiplexing described Resource Block of Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers of described resource; Described resource hybrid multiplex is meant part orthogonal sequence resource, cyclic shift resource or orthogonal sequence resource and the cyclic shift resource of the multiplexing described Resource Block of Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers.
Further, described resource multiplex unit is respectively the repeated link Resource Block different with the link assignment that direct transfers in that the Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers is multiplexing on the different resource piece time;
Wherein, distributing on the Resource Block of repeated link, the Physical Uplink Control Channel of repeated link is the ascending control information of multiplexing via node only; On the Resource Block of distributing to the link that direct transfers, the Physical Uplink Control Channel of the link that direct transfers is the ascending control information of multiplex terminal only.
Adopt method provided by the invention and device, can be applicable to the system that introduces via node well, multiplex mode is flexible, both guarantee backwards compatibility (compatible LTE system), also solved the multiplexing problem of Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers.
Description of drawings
Fig. 1 is Resource Block, the subcarrier schematic diagram of ofdm system;
Fig. 2 is the configuration diagram of LTE-A system;
Fig. 3 is the mapping schematic diagram of PUCCH or R-PUCCH and PUSCH or R-PUSCH;
Fig. 4 is a resource channelizing schematic diagram in the Resource Block;
Fig. 5 does not have the schematic diagram that switches between via node side subframe;
The format 1/1a/1b/2/2a/2b of repeated link mapping schematic diagram when Fig. 6 is the Normal CP of the embodiment of the invention;
The format1/1a/1b/2/2a/2b of repeated link mapping schematic diagram when Fig. 7 is the Normal CP of another embodiment of the present invention;
The format1/1a/1b of repeated link mapping schematic diagram when Fig. 8 is the Extended CP of the embodiment of the invention.
Embodiment
Core concept of the present invention is, provides a kind of Physical Uplink Control Channel multiplexing method, in the system that introduces via node, solves the multiplexing problem of the Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers.
Particularly, the multiplexing method of Physical Uplink Control Channel provided by the invention adopts following technical scheme:
According to whether needs switch between via node side subframe, the Physical Uplink Control Channel of decision repeated link and the Physical Uplink Control Channel of the link that direct transfers are multiplexing on same resource block, or on the multiplexing different resource piece.
If current subframe of via node side and next son interframe do not need transmitting-receiving or send out to receive to switch, at this moment, the Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers can be multiplexing on same resource block, also can be multiplexing on the different resource piece.
Switch if current subframe and next son interframe need be received and dispatched or send out receipts, then the Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers is multiplexing on the different resource piece.
Wherein, the Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers is multiplexing to be meant on the different resource piece: distributing on the Resource Block of repeated link, the Physical Uplink Control Channel of repeated link is the ascending control information of multiplexing via node only; On the Resource Block of distributing to the link that direct transfers, the Physical Uplink Control Channel of the link that direct transfers is the ascending control information of multiplex terminal only.
The Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers is multiplexing to be meant on the same resource block: on same Resource Block, and the Physical Uplink Control Channel multiplexing via node of difference of the Physical Uplink Control Channel of repeated link and the link that direct transfers and the ascending control information of terminal.
Further, multiplexing on same resource block the time when the Physical Uplink Control Channel of the Physical Uplink Control Channel of relaying link and the link that direct transfers, its multiplex mode can be a resource multiplexing or resource hybrid multiplex fully.
Wherein, if multiplexing between the format 1/1a/1b, then resource is meant orthogonal sequence resource, cyclic shift resource, orthogonal sequence resource and cyclic shift resource;
If multiplexing between the format 2/2a/2b, then resource is meant the cyclic shift resource;
If multiplexing between format 1/1a/1b and the format 2/2a/2b, then resource is meant the cyclic shift resource.
Further, multiplexing fully multiplexing all the orthogonal sequence resources of Physical Uplink Control Channel, cyclic shift resource, orthogonal sequence resource and the cyclic shift resource that is meant the Physical Uplink Control Channel of repeated link and the link that direct transfers of described resource;
The resource hybrid multiplex is meant Physical Uplink Control Channel multiplexing part orthogonal sequence resource, cyclic shift resource, orthogonal sequence resource and the cyclic shift resource of the Physical Uplink Control Channel of repeated link and the link that direct transfers.
Be further elaborated below in conjunction with the enforcement of accompanying drawing and specific embodiment technical solution of the present invention.
Example one
Present embodiment has been described does not have when switching between the via node side subframe, the multiplexing situation on same resource block of Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers.As shown in Figure 5, suppose that n, n+1, a n+2 subframe are UL Backhaul emission states, then can be multiplexing in a PRB at the R-PUCCH of the UL of n+1 subframe backhaul with PUCCH for format 1/1a/1b/2/2a/2b, its multiplex mode can be a resource multiplexing or resource hybrid multiplex fully.
For the orthogonal sequence resource, be " 0 ", " 1 ", " 2 " as sequence index, complete multiplexing being meant of orthogonal sequence resource then: described 3 the orthogonal sequence resources of via node and terminal multiplexing; Orthogonal sequence resource hybrid multiplex can be: preceding 2 the orthogonal sequence resources of terminal multiplexing, multiplexing back 1 the orthogonal sequence resource of via node.
For the cyclic shift resource, as sequence index " 0 ", " 1 ", " 2 " ..., " 11 ", then cyclic shift resource multiplexing being meant fully: described 12 the cyclic shift resources of via node and terminal multiplexing; Cyclic shift resource hybrid multiplex can be: preceding 6 the cyclic shift resources of terminal multiplexing, multiplexing back 6 the cyclic shift resources of via node.
For orthogonal sequence resource and cyclic shift resource, orthogonal sequence resource such as sequence index " 0 ", " 1 ", " 2 ", cyclic shift resource such as sequence index " 0 ", " 1 ", " 2 " ..., " 11 ", resource is multiplexing being meant fully: described 3 the orthogonal sequence resources of via node and terminal multiplexing and 12 cyclic shift resources; And the resource hybrid multiplex can be: preceding 2 the orthogonal sequence resources of terminal multiplexing, multiplexing back 1 the orthogonal sequence resource of via node, preceding 6 the cyclic shift resources of terminal multiplexing, multiplexing back 6 the cyclic shift resources of via node.
In addition, in other embodiment of the present invention, do not have when switching between the via node side subframe, the Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers also can be multiplexing on the different resource piece.
Example two
Present embodiment has been described the multiplexing situation on the different resource piece of Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers.The Physical Uplink Control Channel of the repeated link ascending control information of multiplexing via node only on some Resource Block, the Physical Uplink Control Channel of the link that direct transfers on some Resource Block is the ascending control information of multiplex terminal only.
For example distribute to the Physical Uplink Control Channel that via node Resource Block 2,3 is used to carry repeated link, distribute to terminal resource piece 4,5,6 be used to the to direct transfer Physical Uplink Control Channel of link.
Wherein, when the Physical Uplink Control Channel of the link that direct transfers only during the ascending control information of multiplex terminal, can adopt the multiplex mode of the Physical Uplink Control Channel of existing LTE system.
Example three
The Physical Uplink Control Channel that present embodiment has been described repeated link is the situation of the ascending control information of multiplexing via node only.As shown in Figure 6, when using normal cyclic prefix (Normal Cyclic Prefix), comprise 14 OFDM symbols in 1 sub-frame of uplink altogether, if switching, a transmitting-receiving or a receipts take 1 OFDM symbol, and occupied symbol is arranged in the 1st (or the 2nd) time slot of 2 time slots of subframe, be example to be arranged in the 1st time slot of subframe in the present embodiment, then:
For format 1/1a/1b, the 1st (or the 2nd) time slot adopts the format1/1a/1b that shortens, and the 2nd (or the 1st) time slot adopts normal format 1/1a/1b;
For format 2/2a/2b, the 1st (or the 2nd) time slot adopts the format 2/2a/2b of 1 RS (Reference Signal, reference symbol), and the format 2/2a/2b of 2 reference symbols of the 2nd (or the 1st) time slot employing.
Example four
The Physical Uplink Control Channel that present embodiment has been described repeated link is the situation of the ascending control information of multiplexing via node only.As shown in Figure 7, use normal cyclic prefix, 1 sub-frame of uplink is totally 14 OFDM symbols, if transmitting-receiving or send out to receive to switch and take 2 OFDM symbols, and occupied symbol is arranged in 2 time slots of subframe, then:
For format 1/1a/1b, the 1st and the 2nd the format 1/1a/1b that the time slot employing is shortened;
For format 2/2a/2b, the 1st and the 2nd time slot adopt the format2/2a/2b of 1 reference symbol.
Wherein, can carry out frequency hopping between two time slots when the Physical Uplink Control Channel of transmission trunking link in the sub-frame of uplink, or frequency hopping not, described frequency hopping specifically is meant: the 1st time slot is in certain band transmit, and the 2nd time slot is in different band transmit; Described not frequency hopping specifically is meant: the 1st time slot and the 2nd time slot are in identical band transmit.
Example five
The Physical Uplink Control Channel that present embodiment has been described repeated link is the situation of the ascending control information of multiplexing via node only.As shown in Figure 8, use extended cyclic prefix (Extended Cyclic Prefix), 1 sub-frame of uplink is totally 12 OFDM symbols,
Shown in Fig. 8 top, if switching, a transmitting-receiving or a receipts take 1 OFDM symbol, and occupied symbol is arranged in the 2nd (or the 1st) time slot of 2 time slots of subframe, be example to be arranged in the 2nd time slot of subframe in the present embodiment, then for format 1/1a/1b, the 2nd (or the 1st) time slot adopts the format 1/1a/1b that shortens, and the 1st (or the 2nd) time slot adopts normal format1/1a/1b;
Shown in Fig. 8 bottom, if transmitting-receiving or send out to receive switch and to take 2 OFDM symbols, and occupied symbol is arranged in 2 time slots of subframe, and then for format 1/1a/1b, the 1st and the 2nd time slot all adopt the format 1/1a/1b of shortening.
And for format 2/2a/2b,, then do not carry format2/2a/2b if use extended cyclic prefix, or format 2/2a/2b adopt non-(20, code rate A).
Wherein, (20, A) code rate is meant input A bit, export 20 bits, that format 2/2a/2b adopts is non-, and (20, code rate A) specifically is meant: determine the code rate of employing according to available OFDM symbolic number, if promptly available OFDM symbolic number is X, then can adopt (2X, code rate A).For example Fig. 8 has 6 OFDM symbols to be used to carry format 2/2a/2b, then can adopt (12, code rate A).
In addition, also provide a kind of Physical Uplink Control Channel multiplexer in the embodiment of the invention, this device can be applicable in the base station, comprises switching judging unit and resource multiplex unit, wherein:
The switching judging unit is used for, and whether judge needs transmitting-receiving or send out to receive to switch between via node side subframe, and judged result is transferred to the resource multiplex unit;
The resource multiplex unit is used for, according to the judged result that receives, if judged result is then multiplexing on identical or different Resource Block with the Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers for not needing transmitting-receiving or sending out and receive switching; If judged result is switched for needing transmitting-receiving or sending out to receive, and is then that the Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers is multiplexing on the different resource piece.
Further, the switching judging unit is according to the whether needs transmitting-receiving or send out to receive and switch of the current subframe of via node side and next son interframe, and whether judge needs transmitting-receiving or send out to receive to switch between via node side subframe.
Further, the resource multiplex unit is multiplexing on same resource block the time with the Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers, same Resource Block is distributed to repeated link and the link that direct transfers simultaneously, on this Resource Block, the Physical Uplink Control Channel multiplexing via node of difference of the Physical Uplink Control Channel of repeated link and the link that direct transfers and the ascending control information of terminal.
Further, the resource multiplex unit is multiplexing on same resource block the time with the Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers, and its multiplex mode is a resource multiplexing or resource hybrid multiplex fully;
Wherein, multiplexing fully all orthogonal sequence resources, cyclic shift resource or orthogonal sequence resource and the cyclic shift resource that is meant the Physical Uplink Control Channel multiplexed resource piece of the Physical Uplink Control Channel of repeated link and the link that direct transfers of resource; The resource hybrid multiplex is meant part orthogonal sequence resource, cyclic shift resource or orthogonal sequence resource and the cyclic shift resource of the Physical Uplink Control Channel multiplexed resource piece of the Physical Uplink Control Channel of repeated link and the link that direct transfers.
Further, the resource multiplex unit is respectively the repeated link Resource Block different with the link assignment that direct transfers in that the Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers is multiplexing on the different resource piece time;
Wherein, distributing on the Resource Block of repeated link, the Physical Uplink Control Channel of repeated link is the ascending control information of multiplexing via node only; On the Resource Block of distributing to the link that direct transfers, the Physical Uplink Control Channel of the link that direct transfers is the ascending control information of multiplex terminal only.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.

Claims (15)

1. the method that Physical Uplink Control Channel is multiplexing is characterized in that, comprising:
When needing transmitting-receiving between via node side subframe or sending out receipts to switch, that the base station is multiplexing on different Resource Block to the Physical Uplink Control Channel of the link that direct transfers of terminal with the base station to the Physical Uplink Control Channel of the repeated link of via node;
Do not need transmitting-receiving between via node side subframe or when send out to receive switching, the Physical Uplink Control Channel of the Physical Uplink Control Channel of described repeated link and the described link that direct transfers is multiplexing on identical or different Resource Block.
2. the method for claim 1 is characterized in that,
Need transmitting-receiving between described via node side subframe or send out to receive to switch to be meant: current subframe of described via node side and next son interframe need receive and dispatch or send out to receive and switch;
Do not need transmitting-receiving between described via node side subframe or send out to receive to switch to be meant: current subframe of described via node side and next son interframe do not need transmitting-receiving or send out to receive to switch.
3. method as claimed in claim 2 is characterized in that,
Described multiplexingly be meant on the same resource block: on same Resource Block, the Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers is the ascending control information of multiplexing via node and terminal respectively;
Multiplexing on same resource block the time when the Physical Uplink Control Channel of the Physical Uplink Control Channel of relaying link and the link that direct transfers, its multiplex mode is a resource multiplexing or resource hybrid multiplex fully.
4. method as claimed in claim 3 is characterized in that,
Multiplexing fully multiplexing all the orthogonal sequence resources of Physical Uplink Control Channel, cyclic shift resource or orthogonal sequence resource and the cyclic shift resource that is meant the Physical Uplink Control Channel of repeated link and the link that direct transfers of described resource; Described resource hybrid multiplex is meant Physical Uplink Control Channel multiplexing part orthogonal sequence resource, cyclic shift resource or the orthogonal sequence resource and the cyclic shift resource of the Physical Uplink Control Channel of repeated link and the link that direct transfers.
5. method as claimed in claim 2 is characterized in that,
Described multiplexingly be meant on the different resource piece: distributing on the Resource Block of repeated link, the Physical Uplink Control Channel of repeated link is the ascending control information of multiplexing via node only; On the Resource Block of distributing to the link that direct transfers, the Physical Uplink Control Channel of the link that direct transfers is the ascending control information of multiplex terminal only.
6. method as claimed in claim 5 is characterized in that,
If sub-frame of uplink uses normal cyclic prefix, and a transmitting-receiving or a receipts are switched 1 the OFDM symbol that takies in the sub-frame of uplink, then for the Physical Uplink Control Channel of format 1/1a/1b form, in two time slots of described sub-frame of uplink, occupied time slot adopts the form that shortens, and another time slot then adopts normal format; For the Physical Uplink Control Channel of format 2/2a/2b form, occupied time slot adopts the form of 1 reference symbol in the described sub-frame of uplink, and another time slot then adopts the form of 2 reference symbols.
7. method as claimed in claim 5 is characterized in that,
If sub-frame of uplink uses normal cyclic prefix, a transmitting-receiving or a receipts are switched 2 OFDM symbols that take in the sub-frame of uplink, and occupied OFDM symbol is arranged in two time slots of described sub-frame of uplink, then for the Physical Uplink Control Channel of format 1/1a/1b form, two time slots of described sub-frame of uplink all adopt the form of shortening; For the Physical Uplink Control Channel of format 2/2a/2b form, two time slots of described sub-frame of uplink all adopt the form of 1 reference symbol.
8. method as claimed in claim 5 is characterized in that,
If sub-frame of uplink uses extended cyclic prefix, and a transmitting-receiving or a receipts are switched 1 the OFDM symbol that takies in the sub-frame of uplink, then for the Physical Uplink Control Channel of format 1/1a/1b form, in two time slots of described sub-frame of uplink, occupied time slot adopts the form that shortens, and another time slot then adopts normal format; For the Physical Uplink Control Channel of format 2/2a/2b form, do not carry format 2/2a/2b form this moment, or determine code rate according to available OFDM symbolic number.
9. method as claimed in claim 5 is characterized in that,
If sub-frame of uplink uses extended cyclic prefix, a transmitting-receiving or a receipts are switched 2 OFDM symbols that take in the sub-frame of uplink, and occupied OFDM symbol is arranged in two time slots of described sub-frame of uplink, then for the Physical Uplink Control Channel of format 1/1a/1b form, two time slots of described sub-frame of uplink all adopt the form of shortening; For the Physical Uplink Control Channel of format 2/2a/2b form, do not carry format 2/2a/2b form this moment, or determine code rate according to available OFDM symbolic number.
10. as claim 6,7,8 or 9 described methods, it is characterized in that,
When the Physical Uplink Control Channel of transmission trunking link, adopt the mode of frequency hopping between time slot or non-frequency hopping.
11. a Physical Uplink Control Channel multiplexer is characterized in that, comprises switching judging unit and resource multiplex unit, wherein:
Described switching judging unit is used for, and whether judge needs transmitting-receiving or send out to receive to switch between via node side subframe, and judged result is transferred to described resource multiplex unit;
Described resource multiplex unit is used for, according to the described judged result that receives, if described judged result is switched for not needing transmitting-receiving or sending out to receive, and is then that the Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers is multiplexing on identical or different Resource Block; If described judged result is switched for needing transmitting-receiving or sending out to receive, and is then that the Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers is multiplexing on the different resource piece.
12. device as claimed in claim 11 is characterized in that,
Described switching judging unit is according to the whether needs transmitting-receiving or send out to receive and switch of the current subframe of described via node side and next son interframe, and whether judge needs transmitting-receiving or send out to receive to switch between via node side subframe.
13. device as claimed in claim 12 is characterized in that,
Described resource multiplex unit is multiplexing on same resource block the time with the Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers, same Resource Block is distributed to repeated link and the link that direct transfers simultaneously, on this Resource Block, the Physical Uplink Control Channel multiplexing via node of difference of the Physical Uplink Control Channel of repeated link and the link that direct transfers and the ascending control information of terminal.
14. device as claimed in claim 13 is characterized in that,
Described resource multiplex unit is multiplexing on same resource block the time with the Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers, and its multiplex mode is a resource multiplexing or resource hybrid multiplex fully;
Wherein, multiplexing fully all orthogonal sequence resources, cyclic shift resource or orthogonal sequence resource and the cyclic shift resource that is meant the multiplexing described Resource Block of Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers of described resource; Described resource hybrid multiplex is meant part orthogonal sequence resource, cyclic shift resource or orthogonal sequence resource and the cyclic shift resource of the multiplexing described Resource Block of Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers.
15. as claim 11,12,13 or 14 described devices, it is characterized in that,
Described resource multiplex unit is respectively the repeated link Resource Block different with the link assignment that direct transfers in that the Physical Uplink Control Channel of the Physical Uplink Control Channel of repeated link and the link that direct transfers is multiplexing on the different resource piece time;
Wherein, distributing on the Resource Block of repeated link, the Physical Uplink Control Channel of repeated link is the ascending control information of multiplexing via node only; On the Resource Block of distributing to the link that direct transfers, the Physical Uplink Control Channel of the link that direct transfers is the ascending control information of multiplex terminal only.
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