CN102457968B - The method and system that a kind of back haul link physical uplink control channel resource distributes - Google Patents

The method and system that a kind of back haul link physical uplink control channel resource distributes Download PDF

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CN102457968B
CN102457968B CN201010530254.6A CN201010530254A CN102457968B CN 102457968 B CN102457968 B CN 102457968B CN 201010530254 A CN201010530254 A CN 201010530254A CN 102457968 B CN102457968 B CN 102457968B
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pucch
pucch format
resource index
relay station
network side
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CN102457968A (en
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杨瑾
毕峰
吴栓栓
袁明
梁枫
朱常青
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ZTE Corp
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals

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

Abstract

Do you the invention provides a kind of Un? the method and system that PUCCH resource is distributed, does the method comprise: the Un that network side uses according to configuration relay station? the PUCCH format that PUCCH emission mode and described relay station use, that described relay station configures a corresponding n Un by radio resource control information? PUCCH resource index, wherein, n be more than or equal to 1 integer.Configured resource can be used at Backhaul by RN of the present invention? Link carries out effective transmission of ascending control information.

Description

The method and system that a kind of back haul link physical uplink control channel resource distributes
Technical field
The invention belongs to moving communicating field, particularly relate to a kind of method and system for the Resourse Distribute of the ascending control channel of back haul link (Backhaul Link).
Background technology
Relaying (Relay) technology, as a kind of emerging technology, causes and notes more and more widely, is regarded as the key technology of B3G/4G.Because future wireless system or cellular system require to improve the network coverage, support higher rate transmission, this proposes new challenge to wireless communication technology.Meanwhile, the cost issues of system building and maintenance is more outstanding.Along with the increase of transmission rate and communication distance, the energy consumption issues of battery also becomes outstanding, and the radio communication in future will adopt higher frequency, and the pathloss attenuation caused thus is more serious.By relaying technique, traditional one hop link can be divided into multiple multi-hop link, due to Distance Shortened, this greatly will reduce path loss, contribute to improving transmission quality, expand communication range, thus provide quicker better service for user.
At introducing relay station (Relay Node, be called for short RN) network in, as shown in Figure 1, evolved base station (eNB) and macrocell user (Macro User Equipment in network, be called for short M-UE) between link be called the link that direct transfers (Direct Link), link between eNB and RN is called back haul link (Backhaul Link), also referred to as Un interface, link between RN and relay domain user (Relay User Equipment is called for short R-UE) is called access link (Access Link).
Direct transferring on link, Physical Uplink Control Channel (the Physical Uplink ControlChannel of M-UE, be called for short PUCCH) on the information that can carry have: dispatch request (Scheduling request, be called for short SR), HARQ feedback information, namely M-UE to eNB at Physical Downlink Shared Channel (PhysicalDownlink Shared Channel, being called for short PDSCH) the data receiver situation that sends carries out ACK/NACK feedback, and channel quality reporting, comprise CQI (Channel Quality Indicator, channel quality indicates)/PMI (Precoding Matrix Indicator, pre-coding matrix indicates)/RI (RankIndication, order indicates).M-UE adopts corresponding Physical Uplink Control Channel form to ascending control information (UplinkControl Information according to different situations such as ascending control information content to be reported, PUCCH emission modes, UCI) information carries out process mapping, and at configured transmitted on resources, PUCCH format comprises: PUCCH format 1/1a/1b, PUCCH format 2/2a/2b, PUCCHformat 3.
The physical source distributing of PUCCH channel by RB in units of, each PUCCH physical channel takies a pair RB couple, each slot (time slot) takies respectively a RB, frequency hopping between slot, symmetrical at frequency band two ends.Generally, the physical resource of PUCCH channel is positioned at the two ends of up-link bandwidth, take the RB couple of some, as shown in Figure 2, for carrying the resource distribution of PUCCH format 2/2a/2b in the outside of up-link bandwidth, inwardly adjacent is successively the resource for carrying PUCCH format1/1a/1b, high system level configuration parameter instruction is for carrying the RB of PUCCH format 2/2a/2b to quantity.
UE obtains eNB to the Resourse Distribute of PUCCH channel by resource index, the channel indexes parameter that different PUCCHformat is corresponding different. be respectively PUCCHformat 1/1a/1b, the resource index of PUCCH format 2/2a/2b, PUCCH format 3 correspondence.PUCCH format 1/1a/1b resource index wherein p represents uplink antenna port numbers.Resource index by Physical Downlink Control Channel (the Physical Downlink Control Channel of UE according to the corresponding PDSCH transmission of instruction, be called for short PDCCH) the implicit mapping of control channel unit CCE (Control Channel Element) index at place obtain, and pass is obtain antenna port p respectively 0, p 1corresponding PUCCH resource index, for high-rise configuration parameter.PUCCHformat 2/2a/2b resource index and PUCCH format 3 resource index by eNB by wireless heterogeneous networks (Radio Resource Control is called for short RRC) signal deployment instruction UE.
RRC information is transmitted between the chain of command rrc layer of eNB and UE,, a configurable one or more information element (Information Elements in RRC information, be called for short IE), one or more IE item can be comprised further in IE, also can comprise and indicate the configuration of all kinds of parameter, identical IE item can be included in one or more RRC information and transmit.
At present, the RRC signaling method that the method for salary distribution about back haul link ascending physical signal control channel (being called for short Un PUCCH) resource adopts, eNB indicates Un PUCCH resource index by RRC information to RN configuration.Obviously, the implicit mapping relations based on CCE of the link PUCCH format 1/1a/1b that direct transfers can not be reused in Un PUCCH resource configuration instruction, and how to adopt RRC signal deployment to indicate UnPUCCH resource to have solution not yet.
Summary of the invention
The technical problem to be solved in the present invention is to provide the method and system that a kind of Un PUCCH resource is distributed, to adopt RRC signaling to configure Un PUCCH resource.
In order to solve the problems of the technologies described above, the invention provides the method for a kind of back haul link Physical Uplink Control Channel (Un PUCCH) Resourse Distribute, comprising:
Network side according to configuration relay station use Un PUCCH emission mode and described relay station use PUCCH format, be that described relay station configures corresponding n UnPUCCH resource index by radio resource control information, wherein, n be more than or equal to 1 integer.
Further, said method also has feature below: when n is greater than 1, and n Un PUCCH resource index of described configuration is continuous.
Further, said method also has feature below: described network side is that the step that relay station configures corresponding n Un PUCCH resource index comprises by radio resource control information:
Described network side for described relay station indicates the minimum value N in n the UnPUCCH resource index configured, remains n-1 Un PUCCH resource index and is followed successively by: N+i, wherein, i is followed successively by the integer from 1 to n-1 in radio resource control information.
Further, said method also has feature below: when n is greater than 1, interval k between n Un PUCCH resource index of described configuration, wherein, k be more than or equal to 1 integer.
Further, said method also has feature below: described network side is that the step that relay station configures corresponding n Un PUCCH resource index comprises by radio resource control information:
Described network side in radio resource control information for described relay station indicates the minimum value N in n the UnPUCCH resource index configured, with Un PUCCH resource index interval instruction k value, remain n-1 Un PUCCH resource index to be followed successively by: N+i*k, wherein, i is followed successively by the integer from 1 to n-1.
Further, said method also has feature below: k equals the total quantity of relay station in community.
Further, said method also has feature below: described network side is that the step that relay station configures corresponding n Un PUCCH resource index comprises by radio resource control information:
Described network side in radio resource control information for described relay station indicates the minimum value N in n the UnPUCCH resource index configured, remain n-1 Un PUCCH resource index to be followed successively by: N+i*k, wherein, i is followed successively by the integer from 1 to n-1, and k is the fixed value of Operation system setting.
Further, said method also has feature below: when described PUCCH format is PUCCH format 1, PUCCH format 1a, PUCCH format 1b, the PUCCH format 1 of channel selective mode, the PUCCH format 1a of channel selective mode or the PUCCH format 1b of channel selective mode, described network side indicates described Un PUCCH resource index with 11 bits in radio resource control information, described Un PUCCH resource index span is [0,2047].
Further, said method also has feature below: when described PUCCH format is PUCCH format 1, PUCCH format 1a, PUCCH format 1b, the PUCCH format 1 of channel selective mode, the PUCCH format 1a of channel selective mode or the PUCCH format 1b of channel selective mode, described network side indicates described Un PUCCH resource index with 12 bits in radio resource control information, described Un PUCCH resource index span is [0,2304].
Further, said method also has feature below: when described PUCCH format is PUCCH format 2, PUCCH format 2a or PUCCH format 2b, described network side indicates described Un PUCCH resource index with 10 bits in radio resource control information, described Un PUCCH resource index span is [0,1023].
Further, said method also has feature below: when described PUCCH format is PUCCH format 2, PUCCH format 2a or PUCCH format 2b, described network side indicates described Un PUCCH resource index with 11 bits in radio resource control information, described Un PUCCH resource index span is [0,1185].
Further, said method also has feature below: when described PUCCH format is PUCCH format 2, PUCCH format 2a or PUCCH format 2b, described network side indicates described Un PUCCH resource index with 10 bits in radio resource control information, described Un PUCCH resource index span is [0,768].
Further, said method also has feature below: when described PUCCH format is PUCCH format 3, described network side indicates described Un PUCCH resource index with 12 bits in radio resource control information, and described Un PUCCH resource index span is [0,2304].
Further, said method also has feature below: described Un PUCCH emission mode is single-antenna transmission pattern, described PUCCH format is PUCCH format 1, PUCCH format 1a, PUCCH format 1b, PUCCH format 2, PUCCH format 2a, PUCCH format 2b or PUCCH format 3, then described network side is that described relay station configures 1 Un PUCCH resource index.
Further, said method also has feature below: described Un PUCCH emission mode is single-antenna transmission pattern, described PUCCH format is the PUCCH format 1a of channel selective mode, then described network side is that described relay station configures 2 Un PUCCH resource indexes.
Further, said method also has feature below: described Un PUCCH emission mode is single-antenna transmission pattern, described PUCCH format is the PUCCH format 1b of channel selective mode, then described network side is described relay station configuration 2 or 3 or 4 Un PUCCH resource indexes.
Further, said method also has feature below: described Un PUCCH emission mode is multi-antenna transmission diversity mode, described PUCCH format is PUCCH format 1, PUCCH format 1a, PUCCH format 1b, PUCCH format 2, PUCCH format 2a, PUCCH format 2b or PUCCH format 3, then described network side is described relay station configuration P Un PUCCH resource index, wherein, P is the antenna port sum that multi-antenna transmission diversity mode uses.
Further, said method also has feature below: described Un PUCCH emission mode is multi-antenna transmission diversity mode, described PUCCH format is the PUCCH format 1a of channel selective mode, then described network side is described relay station configuration 2*P Un PUCCH resource index, wherein, P is the antenna port sum that multi-antenna transmission diversity mode uses.
Further, said method also has feature below: described Un PUCCH emission mode is multi-antenna transmission diversity mode, described PUCCH format is the PUCCH format 1b of channel selective mode, then described network side is described relay station configuration 2*P or 3*P or 4*P Un PUCCH resource index, wherein, P is the antenna port sum that multi-antenna transmission diversity mode uses.
Further, said method also has feature below: radio resource control information is that (RRCConnectionRNReconfiguration) message reshuffled by wireless heterogeneous networks connection relay station.
Further, said method also has feature below: described Un PUCCH emission mode is multi-antenna transmission diversity mode, and described multi-antenna transmission diversity mode is orthogonal space resource transmission diversity mode.
Further, said method also has feature below: the antenna port that described multi-antenna transmission diversity mode uses adds up to 2.
In order to solve the problem, present invention also offers the system that one realizes back haul link Physical Uplink Control Channel (Un PUCCH) Resourse Distribute, comprising: the configuration controlled entity of network side and relay station, wherein,
Described configuration controlled entity, for the PUCCH format used according to Un PUCCH emission mode and the described relay station of the described relay station employing of configuration, be that described relay station configures corresponding n Un PUCCH resource index by radio resource control information, wherein, n be more than or equal to 1 integer.
Further, said system also has feature below: described configuration controlled entity comprises: any one or multiple combination in base station, upper level relay station, cell cooperative entity, gateway, mobile management, Evolved UTRAN, operational administrative and maintenance manager.
Further, said system also has feature below: radio resource control information is that (RRCConnectionRNReconfiguration) message reshuffled by wireless heterogeneous networks connection relay station.
To sum up, the invention provides the method and system that a kind of Un PUCCH resource is distributed, network side is that RN configures one or more backhaul link uplink control channel Un PUCCH resource index by RRC signaling, the Un PUCCH resource that instruction RN distributes, RN uses the resource configured on BackhaulLink, carry out effective transmission of ascending control information.
Accompanying drawing explanation
Fig. 1 is junction network structural representation;
Fig. 2 is the resource location schematic diagram of PUCCH in prior art LTE system
Fig. 3 is the schematic diagram realizing the system that Un PUCCH resource is distributed of the present invention;
Fig. 4 is the flow chart of the method that Un PUCCH resource of the present invention is distributed;
Fig. 5 configures n Un PUCCH resource index continuous structure schematic diagram in the present invention;
Fig. 6 configures n Un PUCCH resource index interval k structural representation in the present invention.
Embodiment
In order to understand the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is further described.
Fig. 3 is the schematic diagram realizing the system that Un PUCCH resource is distributed of the present invention, as shown in Figure 3, comprising: the configuration controlled entity of network side and relay station (RN), wherein,
Described configuration controlled entity, for the PUCCH format used according to Un PUCCH emission mode and the described relay station of the described relay station employing of configuration, be that described relay station configures corresponding n Un PUCCH resource index by radio resource control information, wherein, n be more than or equal to 1 integer.
When n is greater than 1, n Un PUCCH resource index of described configuration is continuous, or,
When n is greater than 1, interval k between n Un PUCCH resource index of described configuration, wherein, k be more than or equal to 1 integer.
Wherein, described configuration controlled entity comprises: base station (e.g., eNB), upper level relay station (refer to direct upper level RN in cascade system or indirectly upper level RN), cell cooperative entity (MCE), gateway (GW), mobile management (MME), Evolved UTRAN (EUTRAN), operational administrative and safeguard any one or multiple combination in (OAM) manager.
Wherein, radio resource control information is that wireless heterogeneous networks connects relay station reconfiguration message (RRCConnectionRNReconfiguration message).
Wherein, the Un PUCCH emission mode that relay station adopts can comprise: single-antenna transmission pattern, multi-antenna transmission diversity mode.
Wherein, single-antenna transmission pattern uses antenna port p 0; In multi-antenna transmission diversity mode, the antenna port of use adds up to P, and multi-antenna port is respectively p 0, p 1..., p p-1.
Preferably, multi-antenna transmission diversity mode is orthogonal space resource transmission diversity (SpatialOrthogonal Resource Transmit Diversity is called for short SORTD) mode
Preferably, the antenna port sum P=2 of multi-antenna transmission diversity mode use.
Fig. 4 is the flow chart of the method that Un PUCCH resource of the present invention is distributed, and as shown in Figure 4, comprises step:
The PUCCH format that S10, network side use according to the Un PUCCH emission mode of configuration relay station employing and described relay station, be that described relay station configures corresponding n Un PUCCH resource index by radio resource control information, wherein, n be more than or equal to 1 integer.
Wherein, when n is greater than 1, n Un PUCCH resource index of described configuration is continuous, particularly, network side in radio resource control information by the instruction of described relay station minimum value N in the corresponding n of a configuration UnPUCCH resource index, remain n-1 Un PUCCH resource index to be followed successively by: N+i, wherein, i is followed successively by the integer from 1 to n-1.
Wherein, when n is greater than 1, interval k between n Un PUCCH resource index of described configuration, wherein, k be more than or equal to 1 integer.
Particularly, network side is by described relay station instruction is configured corresponding n Un PUCCH resource index in radio resource control information, further, by the instruction of described relay station minimum value N in the corresponding n of configuration Un PUCCH resource index, remain n-1 Un PUCCH resource index to be followed successively by: N+i*k, wherein, i is followed successively by the integer from 1 to n-1.
Wherein, k be more than or equal to 1 integer, in radio resource control information, can indicate k value by network side with Un PUCCH resource index interval, k also can be the fixed value of Operation system setting.Preferentially, k equals the total quantity of relay station in community.
In following application example, the configuration controlled entity for eNB as network side is described.
ENB is according to ability, the back haul link channel condition of RN, and the factor such as network interferences, and configuration instruction RN adopts single antenna or multi-antenna transmission diversity mode to launch Un PUCCH, and transmission diversity mode adopts orthogonal space resource transmission diversity SORTD mode.
RN uses PUCCH format 1, PUCCH format 1a or PUCCH format 1b (PUCCHformat 1/1a/1b) carries SR information, use PUCCH format 2, PUCCH format 2a or PUCCH format 2b (PUCCH format 2/2a/2b) carry CQI/PMI/RI and/or ACK/NACK feedback information, use PUCCH format 1a/1b (PUCCH format 1a/1b with channel selection) or the PUCCH format 3 loading ACK/NACK feedback information of PUCCH format 1a/1b or channel selective mode.
Preferably, when network side is the PUCCH format 1/1a/1b corresponding Un PUCCH resource index of RN instruction PUCCH format 1/1a/1b or channel selective mode, 11bits is adopted to indicate Un PUCCH resource index in high-level signaling, Un PUCCH resource index span is [0,2047];
Preferably, when network side is the PUCCH format 1/1a/1b corresponding Un PUCCH resource index of RN instruction PUCCH format 1/1a/1b or channel selective mode, 12bits is adopted to indicate Un PUCCH resource index in high-level signaling, Un PUCCH resource index span is [0,2304];
Preferably, when network side is RN instruction PUCCH format 2/2a/2b corresponding Un PUCCH resource index, adopt 10bits to indicate Un PUCCH resource index in high-level signaling, Un PUCCH resource index span is [0,1023];
Preferably, when network side is RN instruction PUCCH format 2/2a/2b corresponding Un PUCCH resource index, adopt 11bits to indicate Un PUCCH resource index in high-level signaling, Un PUCCH resource index span is [0,1185];
Preferably, when network side is RN instruction PUCCH format 2/2a/2b corresponding Un PUCCH resource index, adopt 10bits to indicate Un PUCCH resource index in high-level signaling, Un PUCCH resource index span is [0,768];
Preferably, when network side is RN instruction PUCCH format 3 corresponding Un PUCCH resource index, adopt 12bits to indicate Un PUCCH resource index in high-level signaling, Un PUCCH resource index span is [0,2304].
The ACK/NACK amount of information size that RN generates according to eNB configuration or RN uses corresponding PUCCH format loading ACK/NACK feedback information.The factor affecting the ACK/NACK amount of information size that RN generates comprises: eNB transmits the transmission mode of PDSCH to RN, the factors such as Un descending sub frame and Un sub-frame of uplink allocation ratio.
When RN adopts multi-antenna transmission diversity mode to launch Un PUCCH, eNB is required to be each antenna configuration and indicates corresponding Un PUCCH resource index (Index), i.e. each antenna port p 0, p 1..., p p-1other Un PUCCH resource index is divided to be expressed as wherein, i=[1,2,3], corresponds respectively to PUCCH format 1/1a/1b, PUCCH format 2/2a/2b, and PUCCH format 3, t=[0,1 ..., P-1], P is antenna port sum.
During the Un PUCCH resource index that eNB is distributed by high-level signaling configuration instruction RN, can be RN configuration instruction UnPUCCH Index according to the Un PUCCH resource amount needed for multi-antenna transmission diversity mode, when RN is configured to adopt single-antenna transmission mode, only use corresponding p=p in the multiple Un PUCCH Index configured 0resource, namely t=0, i=[1,2,3].
When RN is configured to adopt single-antenna transmission mode, if the PUCCH format that RN uses is PUCCH format 1/1a/1b, PUCCH format 2/2a/2b or PUCCH format 3, then eNB is that RN configures 1 Un PUCCH resource index, enumerates embodiment 1 to embodiment 3 and is illustrated.
Embodiment 1:
ENB configures RN and adopts single-antenna transmission Mode Launch Un PUCCH, eNB transmits PDSCH to RN in single current mode in Un descending (DL) subframe, RN adopts PUCCH format 1a carrying to report to eNB the ACK/NACK feedback information of PDSCH, then eNB is that RN configures 1 PUCCH Index, indicates the Un PUCCH resource configured.
Particularly, eNB indicates the Un PUCCHIndex configured in high-level signaling to RN with 11bits, the span of N is [0,2047].RN by the ACK/NACK feedback information of generation by being mapped in resource corresponding to distributed Un PUCCH Index after PUCCH format 1a process, to the up transmitting of eNB.
Embodiment 2:
ENB configures RN and adopts single-antenna transmission Mode Launch Un PUCCH, eNB transmits PDSCH to RN in single current mode in Un DL subframe, Un DL/UL (up) sub-frame configuration ratio is 2: 1, RN needs the ACK/NACK feedback information of feedback 2 Un DL subframe PDSCH transmission in a Un UL subframe, RN adopts PUCCH format 1b carrying to report to eNB the ACK/NACK feedback information of PDSCH, then eNB is that RN configures 1 PUCCH Index, indicates the UnPUCCH resource configured.
Particularly, eNB indicates the Un PUCCHIndex configured in high-level signaling to RN with 11bits, the span of N is [0,2047].RN by the ACK/NACK feedback information of generation by being mapped in resource corresponding to distributed Un PUCCH Index after PUCCH format 1b process, to the up transmitting of eNB.
Embodiment 3:
ENB configures RN and adopts single-antenna transmission Mode Launch Un PUCCH, eNB transmits PDSCH to RN in double-current mode in Un DL subframe, RN needs the ACK/NACK feedback information of feedback 3 Un DL subframe PDSCH transmission in a Un UL subframe, RN adopts PUCCH format 3 to carry and reports to eNB the ACK/NACK feedback information of PDSCH, then eNB is that RN configures 1 PUCCH Index, indicates the Un PUCCH resource configured.
Particularly, eNB indicates the Un PUCCHIndex configured in high-level signaling to RN with 12bits, the span of N is [0,2304].RN is mapped in resource corresponding to distributed Un PUCCH Index after being processed by PUCCH format 3 by the ACK/NACK feedback information of generation, to the up transmitting of eNB.
When RN is configured to adopt single-antenna transmission mode, if the PUCCH format 1a that the PUCCH format that RN uses is channel selective mode, then eNB is that RN configures 2 Un PUCCH resource indexes, such as, and embodiment 4.
Embodiment 4:
ENB configures RN and adopts single-antenna transmission Mode Launch Un PUCCH, eNB transmits PDSCH to RN in double-current mode in Un descending (DL) subframe, RN adopts the PUCCH format 1a of channel selective mode carrying to report to eNB the ACK/NACK feedback information of PDSCH, then eNB is that RN configures 2 PUCCH Index, indicates the Un PUCCH resource configured.
Particularly, eNB indicates first the UnPUCCH Index configured in high-level signaling to RN with 11bits, the span of N is [0,2047].ENB is that RN configures continuous print 2 Un PUCCH resource indexes, then second Un PUCCH Index, the ACK/NACK feedback information of generation is mapped in resource corresponding to corresponding Un PUCCH Index, to the up transmitting of eNB by after PUCCH format 1a process according to Channel assignment rule by RN.
When RN is configured to adopt single-antenna transmission mode, if the PUCCH format 1b that the PUCCH format that RN uses is channel selective mode, then eNB is that RN configures 2 or 3 or 4 Un PUCCH resource indexes, such as, and embodiment 5 to 8.
Embodiment 5:
ENB configures RN and adopts single-antenna transmission Mode Launch Un PUCCH, eNB transmits PDSCH to RN in single current mode in Un DL subframe, Un DL/UL sub-frame configuration ratio is 2: 1, RN needs the ACK/NACK feedback information of feedback 2 Un DL subframe PDSCH transmission in a Un UL subframe, RN adopts the PUCCH format 1b of channel selective mode carrying to report to eNB the ACK/NACK feedback information of PDSCH, then eNB is the PUCCHIndex that RN configures that 2 are spaced apart k, Un PUCCH resource index interval k indicates with 3bits, such as, k=5.
Particularly, eNB configures the minimum UnPUCCH resource of instruction index with 11bits to RN in high-level signaling the span of N is [0,2047], then the 2nd Un PUCCH resource index Un PUCCH Index the ACK/NACK feedback information of generation is mapped in Un PUCCH resource corresponding to corresponding Un PUCCH Index, to the up transmitting of eNB by after the PUCCH format 1b process of channel selective mode according to Channel assignment rule by RN.
Embodiment 6:
ENB configures RN and adopts single-antenna transmission Mode Launch Un PUCCH, eNB transmits PDSCH to RN in single current mode in Un DL subframe, Un DL/UL sub-frame configuration ratio is 3: 1, RN needs the ACK/NACK feedback information of feedback 3 Un DL subframe PDSCH transmission in a Un UL subframe, RN adopts the PUCCH format 1b of channel selective mode carrying to report to eNB the ACK/NACK feedback information of PDSCH, then eNB is the PUCCHIndex that RN configures that 3 are spaced apart k, k is system fixed value, such as, k=10.
Particularly, eNB configures the minimum UnPUCCH resource of instruction index with 11bits to RN in high-level signaling the span of N is [0,2047], then remain 2 Un PUCCH resource indexes and be respectively Un PUCCH Index the ACK/NACK feedback information of generation is mapped in Un PUCCH resource corresponding to corresponding Un PUCCH Index, to the up transmitting of eNB by after the PUCCH format 1b process of channel selective mode according to Channel assignment rule by RN.
Embodiment 7:
ENB configures RN and adopts single-antenna transmission Mode Launch Un PUCCH, eNB transmits PDSCH to RN in double-current mode in Un DL subframe, Un DL/UL sub-frame configuration ratio is 2: 1, RN needs the ACK/NACK feedback information of feedback 2 Un DL subframe PDSCH transmission in a Un UL subframe, RN adopts the PUCCH format 1b of channel selective mode carrying to report to eNB the ACK/NACK feedback information of PDSCH, then eNB is that RN configures 4 continuous print PUCCHIndex, indicates the Un PUCCH resource configured.
Particularly, eNB is designated as the minimum UnPUCCH resource index of resource index with 11bits to RN in high-level signaling the span of N is [0,2047], and eNB is that RN configures continuous print Un PUCCH resource index, then remain three Un PUCCH resource indexes and be respectively UnPUCCH Index resource location as shown in Figure 5.The ACK/NACK feedback information of generation is mapped in Un PUCCH resource corresponding to corresponding Un PUCCH Index, to the up transmitting of eNB by after the PUCCH format 1b process of channel selective mode according to Channel assignment rule by RN.
Embodiment 8:
ENB configures RN and adopts single antenna Mode Launch Un PUCCH, eNB transmits PDSCH to RN in single current mode in Un DL subframe, Un DL/UL sub-frame configuration ratio is 4: 1, RN needs the ACK/NACK feedback information of feedback 4 Un DL subframe PDSCH transmission in a Un UL subframe, RN adopts the PUCCH format 1b of channel selective mode carrying to report to eNB the ACK/NACK feedback information of PDSCH, then eNB is the PUCCH Index that RN configures that 4 are spaced apart k, indicate the Un PUCCH resource configured, Un PUCCH resource index interval k indicates with 2bits, such as, k=4.
Particularly, eNB configures the minimum UnPUCCH resource of instruction index with 11bits to RN in high-level signaling the span of N is [0,2047], then remain three UnPUCCH resource indexs and be respectively Un PUCCH Index the ACK/NACK feedback information of generation is mapped in Un PUCCH resource corresponding to corresponding Un PUCCH Index, to the up transmitting of eNB by after the PUCCH format 1b process of channel selective mode according to Channel assignment rule by RN.
When RN is configured to adopt multi-antenna transmission diversity mode, if the PUCCH format that RN uses is PUCCH format 1/1a/1b, PUCCH format 2/2a/2b or PUCCH format 3, then eNB is that RN configures P Un PUCCH resource index, wherein, P is the antenna port sum that multi-antenna transmission diversity mode uses, such as, embodiment 9.
Embodiment 9 (in the present embodiment, P value is 2):
ENB configures RN with two antenna transmit diversity Mode Launch Un PUCCH, eNB transmits PDSCH to RN in single current mode in Un DL subframe, RN adopts PUCCH format 1a carrying to report to eNB the ACK/NACK feedback information of PDSCH, then eNB is that RN configures 2 continuous print PUCCH Index.
Particularly, eNB is designated as the Un PUCCH Index of antenna port P0 configuration in high-level signaling to RN with 12bits, the span of N is [0,2304], then the Un PUCCH Index that antenna port P1 is corresponding after the ACK/NACK feedback information generated is pressed PUCCH format 1a process by RN, two antennas are mapped in Un PUCCH resource corresponding to distributed corresponding UnPUCCH Index respectively, to the up transmitting of eNB.
When RN is configured to adopt multi-antenna transmission diversity mode, if the PUCCH format 1a that the PUCCH format that RN uses is channel selective mode, then eNB is that RN configures 2*P Un PUCCH resource index, wherein, P is the antenna port sum that multi-antenna transmission diversity mode uses, such as, and embodiment 10.
Embodiment 10 (in the present embodiment, P value is 2):
ENB configures RN with two antenna transmit diversity Mode Launch Un PUCCH, eNB transmits PDSCH to RN in single current mode in Un DL subframe, Un DL/UL sub-frame configuration ratio is 2: 1, RN needs the ACK/NACK feedback information of feedback 2 Un DL subframe PDSCH transmission in a Un UL subframe, RN adopts the PUCCH format 1a of Channel assignment carrying to report to eNB the ACK/NACK feedback information of PDSCH, then eNB is the PUCCH Index that RN configures that 4 are spaced apart k, UnPUCCH resource index interval k indicates with 3bits, such as, k=6.
Particularly, eNB indicates the minimum Un PUCCH resource of index with 11bits in high-level signaling the span of N is [0,2047], then remain three Un PUCCH resource indexes and be respectively Un PUCCH Index resource location as shown in Figure 6.The ACK/NACK feedback information generated is pressed the PUCCH format 1a process of channel selective mode by RN, and two antennas are mapped in Un PUCCH resource corresponding to distributed corresponding Un PUCCH Index, to the up transmitting of eNB according to Channel assignment rule respectively.
When RN is configured to adopt multi-antenna transmission diversity mode, if the PUCCH format 1b that the PUCCH format that RN uses is channel selective mode, then eNB is that RN configures 2*P or 3*P or 4*P Un PUCCH resource index, wherein, P is the antenna port sum that multi-antenna transmission diversity mode uses, be described, as embodiment 11 to configure 4*P Un PUCCH resource index below.
Embodiment 11 (in the present embodiment, P value is 2):
ENB configures RN with two antenna transmit diversity Mode Launch Un PUCCH, eNB transmits PDSCH to RN in double-current mode in Un DL subframe, Un DL/UL sub-frame configuration ratio is 2: 1, RN needs the ACK/NACK feedback information of feedback 2 Un DL subframe PDSCH transmission in a Un UL subframe, RN adopts the PUCCH format 1b of Channel assignment carrying to report to eNB the ACK/NACK feedback information of PDSCH, then eNB is the PUCCH Index that RN configures that 8 are spaced apart k, Un PUCCH resource index interval k indicates with 2bits, k=3.
Particularly, eNB indicates the minimum Un PUCCH resource of index with 11bits in high-level signaling the span of N is [0,2047], then remaining Un PUCCH resource index is respectively ... .., the ACK/NACK feedback information generated is pressed the PUCCH format 1b process of channel selective mode by RN, and two antennas are mapped in Un PUCCH resource corresponding to distributed corresponding Un PUCCH Index, to the up transmitting of eNB according to Channel assignment rule respectively.
High-level signaling in the present embodiment mainly refers to RRC signaling.
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.
These are only the preferred embodiments of the present invention; certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the present invention.

Claims (23)

1. a method for back haul link Physical Uplink Control Channel Un PUCCH resource distribution, comprising:
Network side according to configuration relay station use Un PUCCH emission mode and described relay station use PUCCH format, be that described relay station configures corresponding n UnPUCCH resource index by radio resource control information, wherein, n be more than or equal to 1 integer;
Wherein, when n is greater than 1, n Un PUCCH resource index of described configuration is continuous, or interval k between the n of described configuration Un PUCCH resource index, wherein, k be more than or equal to 1 integer.
2. the method for claim 1, is characterized in that: when n Un PUCCH resource index consecutive hours of described configuration, and described network side is that the step that relay station configures corresponding n Un PUCCH resource index comprises by radio resource control information:
Described network side for described relay station indicates the minimum value N in n the UnPUCCH resource index configured, remains n-1 Un PUCCH resource index and is followed successively by: N+i, wherein, i is followed successively by the integer from 1 to n-1 in radio resource control information.
3. the method for claim 1, is characterized in that: between n Un PUCCH resource index of described configuration during the k of interval, and described network side is that the step that relay station configures corresponding n Un PUCCH resource index comprises by radio resource control information:
Described network side in radio resource control information for described relay station indicates the minimum value N in n the UnPUCCH resource index configured, with Un PUCCH resource index interval instruction k value, remain n-1 Un PUCCH resource index to be followed successively by: N+i*k, wherein, i is followed successively by the integer from 1 to n-1.
4. method as claimed in claim 3, is characterized in that: k equals the total quantity of relay station in community.
5. the method for claim 1, is characterized in that: between n Un PUCCH resource index of described configuration during the k of interval, and described network side is that the step that relay station configures corresponding n Un PUCCH resource index comprises by radio resource control information:
Described network side in radio resource control information for described relay station indicates the minimum value N in n the UnPUCCH resource index configured, remain n-1 Un PUCCH resource index to be followed successively by: N+i*k, wherein, i is followed successively by the integer from 1 to n-1, and k is the fixed value of Operation system setting.
6. the method as described in any one of claim 2,3,5, it is characterized in that: when described PUCCH format is PUCCH format 1, PUCCH format 1a, PUCCH format 1b, the PUCCH format 1 of channel selective mode, the PUCCH format 1a of channel selective mode or the PUCCH format 1b of channel selective mode, described network side indicates described Un PUCCH resource index with 11 bits in radio resource control information, described Un PUCCH resource index span is [0,2047].
7. the method as described in any one of claim 2,3,5, it is characterized in that: when described PUCCH format is PUCCH format 1, PUCCH format 1a, PUCCH format 1b, the PUCCH format 1 of channel selective mode, the PUCCH format 1a of channel selective mode or the PUCCH format 1b of channel selective mode, described network side indicates described Un PUCCH resource index with 12 bits in radio resource control information, described Un PUCCH resource index span is [0,2304].
8. the method as described in any one of claim 2,3,5, it is characterized in that: when described PUCCH format is PUCCH format 2, PUCCH format 2a or PUCCH format 2b, described network side indicates described Un PUCCH resource index with 10 bits in radio resource control information, described UnPUCCH resource index span is [0,1023].
9. the method as described in any one of claim 2,3,5, it is characterized in that: when described PUCCH format is PUCCH format 2, PUCCH format 2a or PUCCH format 2b, described network side indicates described Un PUCCH resource index with 11 bits in radio resource control information, described UnPUCCH resource index span is [0,1185].
10. the method as described in any one of claim 2,3,5, it is characterized in that: when described PUCCH format is PUCCH format 2, PUCCH format 2a or PUCCH format 2b, described network side indicates described Un PUCCH resource index with 10 bits in radio resource control information, described UnPUCCH resource index span is [0,768].
11. methods as described in any one of claim 2,3,5, it is characterized in that: when described PUCCH format is PUCCH format 3, described network side indicates described Un PUCCH resource index with 12 bits in radio resource control information, described Un PUCCH resource index span is [0,2304].
12. the method for claim 1, it is characterized in that: described Un PUCCH emission mode is single-antenna transmission pattern, described PUCCH format is PUCCH format 1, PUCCH format 1a, PUCCH format 1b, PUCCH format 2, PUCCH format 2a, PUCCH format 2b or PUCCH format 3, then described network side is that described relay station configures 1 Un PUCCH resource index.
13. the method for claim 1, it is characterized in that: described Un PUCCH emission mode is single-antenna transmission pattern, described PUCCH format is the PUCCH format 1a of channel selective mode, then described network side is that described relay station configures 2 Un PUCCH resource indexes.
14. the method for claim 1, it is characterized in that: described Un PUCCH emission mode is single-antenna transmission pattern, described PUCCH format is the PUCCH format 1b of channel selective mode, then described network side is described relay station configuration 2 or 3 or 4 Un PUCCH resource indexes.
15. the method for claim 1, it is characterized in that: described Un PUCCH emission mode is multi-antenna transmission diversity mode, described PUCCH format is PUCCH format 1, PUCCH format 1a, PUCCH format 1b, PUCCH format 2, PUCCH format 2a, PUCCH format 2b or PUCCH format 3, then described network side is described relay station configuration P Un PUCCH resource index, wherein, P is the antenna port sum that multi-antenna transmission diversity mode uses.
16. the method for claim 1, it is characterized in that: described Un PUCCH emission mode is multi-antenna transmission diversity mode, described PUCCH format is the PUCCH format 1a of channel selective mode, then described network side is described relay station configuration 2*P Un PUCCH resource index, wherein, P is the antenna port sum that multi-antenna transmission diversity mode uses.
17. the method for claim 1, it is characterized in that: described Un PUCCH emission mode is multi-antenna transmission diversity mode, described PUCCH format is the PUCCH format 1b of channel selective mode, then described network side is described relay station configuration 2*P or 3*P or 4*P Un PUCCH resource index, wherein, P is the antenna port sum that multi-antenna transmission diversity mode uses.
18. the method for claim 1, is characterized in that: radio resource control information is that RRCConnectionRNReconfiguration message reshuffled by wireless heterogeneous networks connection relay station.
19. the method for claim 1, is characterized in that: described Un PUCCH emission mode is multi-antenna transmission diversity mode, and described multi-antenna transmission diversity mode is orthogonal space resource transmission diversity mode.
20. methods as claimed in claim 19, is characterized in that: the antenna port that described multi-antenna transmission diversity mode uses adds up to 2.
21. 1 kinds of systems realizing back haul link Physical Uplink Control Channel Un PUCCH resource and distribute, comprising: the configuration controlled entity of network side and relay station, wherein,
Described configuration controlled entity, for the PUCCH format used according to Un PUCCH emission mode and the described relay station of the described relay station employing of configuration, be that described relay station configures corresponding n Un PUCCH resource index by radio resource control information, wherein, n be more than or equal to 1 integer;
Wherein, when n is greater than 1, n Un PUCCH resource index of described configuration is continuous, or interval k between the n of described configuration Un PUCCH resource index, wherein, k be more than or equal to 1 integer.
22. systems as claimed in claim 21, is characterized in that: described configuration controlled entity comprises: any one or multiple combination in base station, upper level relay station, cell cooperative entity, gateway, mobile management, Evolved UTRAN, operational administrative and maintenance manager.
23. systems as claimed in claim 21, is characterized in that: radio resource control information is that RRCConnectionRNReconfiguration message reshuffled by wireless heterogeneous networks connection relay station.
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