CN105356981B - A kind of method of communication, equipment and system - Google Patents

A kind of method of communication, equipment and system Download PDF

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Publication number
CN105356981B
CN105356981B CN201510810526.0A CN201510810526A CN105356981B CN 105356981 B CN105356981 B CN 105356981B CN 201510810526 A CN201510810526 A CN 201510810526A CN 105356981 B CN105356981 B CN 105356981B
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index
prb
phich
subband
group
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CN105356981A (en
Inventor
刘建琴
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Shanghai Huawei Technologies Co Ltd
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Shanghai Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1806—Go-back-N protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1861—Physical mapping arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1893—Physical mapping arrangements
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency

Abstract

The invention discloses a kind of methods of communication, comprising: the network equipment determines that the subband that physical mixed automatic re-transmission indicating channel PHICH information is sent to user equipment, the subband are the running time-frequency resource with preset bandwidth；The network equipment will be on the PHICH information MAP to the subband；The network equipment sends the PHICH information being mapped on the subband to the user equipment by the subband.Scheme provided in an embodiment of the present invention can by from different analog beams associated PHICH information MAP to the running time-frequency resource region of the analog beam corresponding subband.

Description

A kind of method of communication, equipment and system
Technical field
The present invention relates to fields of communication technology, and in particular to a kind of method of communication, equipment and system.
Background technique
Frequency spectrum is resource very expensive in wireless communication system.Modern Communication System usually all works in 3GHz or less Carrier frequency on.With the appearance of video traffic on user equipment, current frequency spectrum resource has been difficult to meet user to capacity need The explosive growth asked.High-frequency band with bigger available bandwidth especially millimeter wave frequency band has become next-generation logical The candidate frequency range of letter system.Such as: in the range of 3GHz-200GHz, potential available bandwidth is about 250GHz.Another party Face, Modern Communication System improves capacity and the covering of system usually using multi-antenna technology, another using high-frequency band bring One benefit is exactly that can greatly reduce the size of multiple antennas configuration, consequently facilitating site obtains and the deployment of more antennas.So And the influence that high-frequency band will will lead to the factors such as bigger path loss, especially atmosphere, vegetation further exacerbates nothing The loss that line is propagated.Due to the high path loss of above-mentioned high frequency rather low-frequency, high frequency needs higher antenna gain, thus high frequency wave beam Rather low-frequency wave beam will become very narrow, and the covering number of users of each high frequency wave beam is also smaller.By emitting multiple simulations The mode of wave beam can realize the covering of all users in cell.In addition, comparing low frequency, high frequency has bigger system bandwidth.Therefore The transmission of some common signal channels or reference signal only takes up the fractional bandwidth in system bandwidth.
Physical mixed automatic re-transmission indicating channel (Physical Hybrid ARQ Indicator in the prior art Channel, PHICH) mapping of the information in running time-frequency resource be full bandwidth time-frequency resource maps, and PHICH in high frequency is passed The defeated part subband for having only taken up system bandwidth.In this way, mapping of the PHICH information in full bandwidth running time-frequency resource in the prior art Scheme is just no longer desirable for the current PHICH information MAP only transmitted on fractional bandwidth.That is prior art without Method is accomplished will be in the PHICH information MAP of user equipment to the corresponding running time-frequency resource region of the user equipment.
Summary of the invention
PHICH information to solve only to transmit on the part subband of whole bandwidth in the prior art is unable to map corresponding Problem in running time-frequency resource region, the embodiment of the present invention provide a kind of method of communication, can will correspond to different analog beams PHICH information MAP to the running time-frequency resource region of corresponding subband in.The embodiment of the invention also provides corresponding equipment and it is System.
First aspect present invention provides a kind of method of communication, comprising:
The network equipment determines the subband that physical mixed automatic re-transmission indicating channel PHICH information is sent to user equipment, institute Stating subband is the running time-frequency resource with preset bandwidth；
The network equipment will be on the PHICH information MAP to the subband；
The network equipment sends the PHICH being mapped on the subband to the user equipment by the subband Information.
With reference to first aspect, in the first possible implementation, the network equipment is by the PHICH information MAP Onto the subband, comprising:
The network equipment is according to the index of first Physical Resource Block PRB of the user equipment uplink scheduling Index1st PRB, the initial position of running time-frequency resource corresponding with the subband and the bandwidth of the running time-frequency resource, determine described in The index Index of PHICHPHICH；
The network equipment is by the PHICH information MAP to the IndexPHICHOn corresponding running time-frequency resource.
The first possible implementation with reference to first aspect, in the second possible implementation, the network is set The index Index of standby first Physical Resource Block PRB according to the user equipment uplink scheduling1st PRB, with the subband pair The bandwidth of the initial position for the running time-frequency resource answered and the running time-frequency resource determines the index Index of the PHICHPHICH, comprising:
The network equipment is according to the initial position of the corresponding running time-frequency resource of the subband and the bandwidth of the running time-frequency resource Determine the number N of the corresponding PHICH group of the subbandgroup_Bi；
The network equipment is according to the Index of the user equipment uplink scheduling1st PRBWith the Ngroup_Bi, determine The index Index of the PHICH groupgroupWith the index Index of PHICH in the PHICH grouplocal；
The network equipment is according to the Indexgroup, the IndexlocalWith the Ngroup_BiDescribed in determination IndexPHICH。
The first possible implementation with reference to first aspect, in the third possible implementation, the network is set The index Index of standby first Physical Resource Block PRB according to the user equipment uplink scheduling1st PRB, with the subband pair The bandwidth of the initial position for the running time-frequency resource answered and the running time-frequency resource determines the index Index of the PHICHPHICH, comprising:
The network equipment is according to the initial position of the corresponding running time-frequency resource of the subband and the bandwidth of the running time-frequency resource Determine the number N of the corresponding PHICH group of the subbandgroup_Bi；
The network equipment is by the Index of the user equipment uplink scheduling1st PRBIt is right on the subband to be mapped to The index Index of the PRB answered1st PRB_to_Bi；
The network equipment is according to Index1st PRB_to_BiWith the Ngroup_Bi, determine the index of the PHICH group IndexgroupWith the index Index of PHICH in the PHICH grouplocal；
The network equipment is according to the Indexgroup, the IndexlocalWith the Ngroup_BiDescribed in determination IndexPHICH。
The third possible implementation with reference to first aspect, in the fourth possible implementation, the network is set The standby Index by the user equipment uplink scheduling1st PRBIt is mapped to the index of corresponding PRB on the subband Index1st PRB_to_Bi, comprising:
The network equipment determines the Index according to following formula1st PRB_to_Bi:
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the subband Bandwidth, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband.
The third possible implementation with reference to first aspect, in a fifth possible implementation, the network is set The standby Index by the user equipment uplink scheduling1st PRBIt is mapped to the index of corresponding PRB on the subband Index1st PRB_to_Bi, comprising:
The network equipment determines the Index according to following formula1st PRB_to_Bi:
Index1st PRB_to_Bi=Index1st PRB%BWBi+Index1st PRB_Bi；
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the subband Bandwidth, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband.
Second aspect of the present invention provides a kind of method of communication, comprising:
User equipment determines that the network equipment sends the subband of physical mixed automatic re-transmission indicating channel PHICH information, described Subband is the running time-frequency resource with preset bandwidth；
The user equipment demodulates the PHICH information from the subband.
In conjunction with two aspects, in the first possible implementation, described in the user equipment is demodulated from the subband PHICH information, comprising:
The user equipment is according to the index of first Physical Resource Block PRB of the user equipment uplink scheduling Index1st PRB, the initial position of running time-frequency resource corresponding with the subband and the bandwidth of the running time-frequency resource, determine described in The index Index of PHICHPHICH；
The user equipment demodulates the PHICH information from the subband.
In conjunction with two aspect the first possible implementation, in the second possible implementation, the user equipment According to the index Index of first Physical Resource Block PRB of the user equipment uplink scheduling1st PRB, corresponding with the subband Running time-frequency resource initial position and the running time-frequency resource bandwidth, determine the index Index of the PHICHPHICH, comprising:
The user equipment is according to the initial position of running time-frequency resource corresponding with the subband and the band of the running time-frequency resource Width determines the number N of the corresponding PHICH group of the analog beamgroup_Bi；
The user equipment is according to the Index of the user equipment uplink scheduling1st PRBWith the Ngroup_Bi, determine The index Index of the PHICH groupgroupWith the index Index of PHICH in the PHICH grouplocal；
The user equipment is according to the Indexgroup, the IndexlocalWith the Ngroup_BiDescribed in determination IndexPHICH。
In conjunction with two aspect the first possible implementation, in the third possible implementation, the user equipment According to the index Index of first Physical Resource Block PRB of the user equipment uplink scheduling1st PRB, corresponding with the subband Running time-frequency resource initial position and the running time-frequency resource bandwidth, determine the index Index of the PHICHPHICH, comprising:
The user equipment is according to the initial position of running time-frequency resource corresponding with the subband and the band of the running time-frequency resource Width determines the number N of the corresponding PHICH group of the analog beamgroup_Bi；
The user equipment is by the Index of the user equipment uplink scheduling1st PRBIt is right on the subband to be mapped to The index Index of the PRB answered1st PRB_to_Bi；
The user equipment is according to Index1st PRB_to_BiWith the Ngroup_Bi, determine the index of the PHICH group IndexgroupWith the index Index of PHICH in the PHICH grouplocal；
The user equipment is according to the Indexgroup, the IndexlocalWith the Ngroup_BiDescribed in determination IndexPHICH。
In conjunction with two aspect the third possible implementation, in the fourth possible implementation, the user equipment By the Index of the user equipment uplink scheduling1st PRBIt is mapped to the index of corresponding PRB on the subband Index1st PRB_to_Bi, comprising:
The user equipment determines the Index according to following formula1st PRB_to_Bi:
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the subband Bandwidth, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband.
In conjunction with two aspect the third possible implementation, in a fifth possible implementation, the user equipment The index of first Physical Resource Block PRB of the user equipment uplink scheduling is mapped to the corresponding PRB on the subband Index Index1st PRB_to_Bi, comprising:
The user equipment determines Index according to following formula1st PRB_to_Bi:
Index1st PRB_to_Bi=Index1st PRB%BWBi+Index1st PRB_Bi；
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the subband Bandwidth, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband.
Third aspect present invention provides a kind of network equipment, comprising:
Determination unit, for determining the son for sending physical mixed automatic re-transmission indicating channel PHICH information to user equipment Band, the subband are the running time-frequency resource with preset bandwidth；
Map unit, the subband for determining the PHICH information MAP to the determination unit；
Transmission unit has been mapped in the son for sending the map unit to the user equipment by the subband The PHICH information taken.
In conjunction with the third aspect, in the first possible implementation,
The map unit is specifically used for:
According to the index Index of first Physical Resource Block PRB of the user equipment uplink scheduling1st PRB, and it is described The initial position of the corresponding running time-frequency resource of subband and the bandwidth of the running time-frequency resource, determine the index Index of the PHICHPHICH；
By the PHICH information MAP to the IndexPHICHOn corresponding running time-frequency resource.
The first possible implementation in conjunction with the third aspect, in the second possible implementation,
The map unit is specifically used for:
The subband is determined according to the bandwidth of the initial position of the corresponding running time-frequency resource of the subband and the running time-frequency resource The number N of corresponding PHICH groupgroup_Bi；
According to the Index of the user equipment uplink scheduling1st PRBWith the Ngroup_Bi, determine the PHICH group Index IndexgroupWith the index Index of PHICH in the PHICH grouplocal；
According to the Indexgroup, the IndexlocalWith the Ngroup_BiDetermine the IndexPHICH。
The first possible implementation in conjunction with the third aspect, in the third possible implementation,
The map unit is specifically used for:
The simulation is determined according to the bandwidth of the initial position of the corresponding running time-frequency resource of the subband and the running time-frequency resource The number N of the corresponding PHICH group of wave beamgroup_Bi；
By the Index of the user equipment uplink scheduling1st PRBIt is mapped to the index of corresponding PRB on the subband Index1st PRB_to_Bi；
According to Index1st PRB_to_BiWith the Ngroup_Bi, determine the index Index of the PHICH groupgroupWith it is described The index Index of PHICH in PHICH grouplocal；
According to the Indexgroup, the IndexlocalWith the Ngroup_BiDetermine the IndexPHICH。
The third possible implementation in conjunction with the third aspect, in the fourth possible implementation,
The map unit is specifically used for:
The Index is determined according to following formula1st PRB_to_Bi:
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the subband Bandwidth, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband.
The third possible implementation in conjunction with the third aspect, in a fifth possible implementation,
The map unit is specifically used for:
The Index is determined according to following formula1st PRB_to_Bi:
Index1st PRB_to_Bi=Index1st PRB%BWBi+Index1st PRB_Bi；
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the subband Bandwidth, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband.
Fourth aspect present invention provides a kind of user equipment, comprising:
Determination unit, for determining that the network equipment sends the simulation of physical mixed automatic re-transmission indicating channel PHICH information Subband corresponding to wave beam, the subband are the running time-frequency resource with preset bandwidth；
Demodulating unit, for demodulating the PHICH information from the subband that the determination unit determines.
In conjunction with fourth aspect, in the first possible implementation,
The demodulating unit is specifically used for:
According to the index Index of first Physical Resource Block PRB of the user equipment uplink scheduling1st PRB, and it is described The initial position of the corresponding running time-frequency resource of subband and the bandwidth of the running time-frequency resource, determine the index Index of the PHICHPHICH；
The PHICH information is demodulated from the subband.
The first possible implementation in conjunction with fourth aspect, in the second possible implementation,
The demodulating unit is specifically used for:
The mould is determined according to the bandwidth of the initial position of running time-frequency resource corresponding with the subband and the running time-frequency resource The number N of the quasi- corresponding PHICH group of wave beamgroup_Bi；
According to the Index of the user equipment uplink scheduling1st PRBWith the Ngroup_Bi, determine the PHICH group Index IndexgroupWith the index Index of PHICH in the PHICH grouplocal；
According to the Indexgroup, the IndexlocalWith the Ngroup_BiDetermine the IndexPHICH。
The first possible implementation in conjunction with fourth aspect, in the third possible implementation,
The demodulating unit is specifically used for:
The mould is determined with the initial position of running time-frequency resource of the subband and the bandwidth of the running time-frequency resource according to described The number N of the quasi- corresponding PHICH group of wave beamgroup_Bi；
By the Index of the user equipment uplink scheduling1st PRBIt is mapped to the index of corresponding PRB on the subband Index1st PRB_to_Bi；
According to Index1st PRB_to_BiWith the Ngroup_Bi, determine the index Index of the PHICH groupgroupWith it is described The index Index of PHICH in PHICH grouplocal；
According to the Indexgroup, the IndexlocalWith the Ngroup_BiDetermine the IndexPHICH。
The third possible implementation in conjunction with fourth aspect, in the fourth possible implementation,
The demodulating unit is specifically used for:
The Index is determined according to following formula1st PRB_to_Bi:
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the subband Bandwidth, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband.
The third possible implementation in conjunction with fourth aspect, in a fifth possible implementation,
The demodulating unit is specifically used for:
Index is determined according to following formula1st PRB_to_Bi:
Index1st PRB_to_Bi=Index1st PRB%BWBi+Index1st PRB_Bi；
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the subband Bandwidth, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband.
Fifth aspect present invention provides a kind of communication system, comprising: the network equipment and user equipment；
The network equipment is the network equipment described in the third aspect or any optional implementation of the third aspect；
The user equipment is user equipment described in fourth aspect or any optional implementation of fourth aspect.
Sixth aspect present invention provides a kind of network equipment, comprising: input-output apparatus, memory and processor, it is described Memory is used to store the program communicated in the first aspect or any possible implementation of the first aspect, the processing Device is used to execute the program in the memory, realizes in the first aspect or any possible implementation of the first aspect Described communication process.
Seventh aspect present invention provides a kind of for equipment, comprising: input-output apparatus, memory and processor, it is described Memory is used to store the program communicated in the second aspect or any possible implementation of the second aspect, the processing Device is used to execute the program in the memory, realizes in the second aspect or any possible implementation of the second aspect Described communication process.
With can not accomplish in the prior art by the PHICH information MAP of user equipment to the user equipment corresponding subband when It is compared in frequency resource area, scheme provided in an embodiment of the present invention can will be reflected from the associated PHICH information of different analog beams It is mapped in the running time-frequency resource region of the analog beam corresponding subband.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached Figure.
Fig. 1 is an embodiment schematic diagram of communication system in the embodiment of the present invention；
Fig. 2 is an embodiment schematic diagram of the method communicated in the embodiment of the present invention；
Fig. 3 is that PRB index maps schematic diagram in the embodiment of the present invention；
Fig. 4 is REG distribution schematic diagram in the embodiment of the present invention；
Fig. 5 is an embodiment schematic diagram of the network equipment in the embodiment of the present invention；
Fig. 6 is an embodiment schematic diagram of user equipment in the embodiment of the present invention；
Fig. 7 is one embodiment schematic diagram of the network equipment/user equipment in the embodiment of the present invention；
Fig. 8 is another embodiment schematic diagram of the network equipment in the embodiment of the present invention；
Fig. 9 is another embodiment schematic diagram of user equipment in the embodiment of the present invention.
Specific embodiment
The embodiment of the present invention provides a kind of method of communication, the PHICH information for having corresponded to different analog beams can be reflected It is mapped in the running time-frequency resource region of corresponding subband.The embodiment of the invention also provides corresponding equipment and systems.Individually below into Row is described in detail.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those skilled in the art's every other implementation obtained without creative efforts Example, shall fall within the protection scope of the present invention.
It should be understood that the technical solution of the embodiment of the present invention can be applied to various communication systems, and such as: global system for mobile telecommunications (Global System of Mobile Communication, referred to as " GSM ") system, CDMA (Code Division Multiple Access, referred to as " CDMA ") system, wideband code division multiple access (Wideband Code Division Multiple Access, referred to as " WCDMA ") General Packet Radio Service (General Packet Radio Service, referred to as " GPRS ") system, long term evolution (Long Term Evolution, referred to as " LTE ") system, LTE frequency Divide duplexing (Frequency Division Duplex, referred to as " FDD ") system, LTE time division duplex (Time Division Duplex, referred to as " TDD "), Universal Mobile Communication System (Universal Mobile Telecommunication System, referred to as " UMTS "), global interconnection inserting of microwave (Worldwide Interoperability for Microwave Access, referred to as " WiMAX ") communication system, and following 5G communication system etc..
It include user equipment and the network equipment in the communication system of application of the embodiment of the present invention.
User equipment can be through wireless access network (Radio Access Network, RAN) and one or more core nets It is communicated, user equipment can refer to (User Equipment, referred to as " UE "), access user equipment, subscriber unit, user It stands, movement station, mobile station, remote station, remote user equipment, mobile device, wireless telecom equipment, user agent or user dress It sets.Access user equipment can be cellular phone, wireless phone, session initiation protocol (Session Initiation Protocol, referred to as " SIP ") phone, wireless local loop (Wireless Local Loop, referred to as " WLL ") stand, be a Number word processing (Personal Digital Assistant, referred to as " PDA "), hand-held with wireless communication function set It is standby, calculate equipment or be connected to other processing equipments of radio modem, mobile unit, wearable device, the following 5G net User equipment etc. in network.
The network equipment can be the equipment for being communicated with user equipment, for example, it may be in gsm system or CDMA The network equipment (Base Transceiver Station, referred to as " BTS "), the network being also possible in WCDMA system is set Standby (NodeB, referred to as " NB ") can also be the evolved network equipment (Evolutional Node B, letter in LTE system Referred to as " eNB " or " eNodeB ") or the network equipment can for relay station, access point, mobile unit, wearable device with And network equipment in the PLMN network of the network side equipment or the following evolution in future 5G network etc..
Refering to fig. 1, an embodiment of communication system provided in an embodiment of the present invention includes: the network equipment and user equipment, It is communicated between the network equipment and user equipment using the communication mode of high frequency, multiple beam, is entirely provided by the network equipment The running time-frequency resource of system may include multiple subbands, and the subband is the running time-frequency resource with preset bandwidth, each analog beam pair Answer different subbands.Subband corresponding to the analog beam can be determined by the initial position and frequency domain width of analog beam.
After user equipment sends information to the network equipment by uplink, the network equipment can pass through mixed automatic retransfer Indicate channel PHICH to user device transmissions hybrid automatic repeat-request (Hybrid Automatic Repeat reQuest, HARQ), the feedback informations such as ACK/NACK, ACK indicate confirmation, indicate that the data received are correct and NAK expression receives data It is incorrect.The network equipment is indicated by Physical Broadcast Channel (Physical broadcasting channel, PBCH) The time span Extended of extension (normal Normal/) and frequency domain width of PHICH, user equipment according to PHICH when Between length and frequency domain width can receive PHICH information from PHICH, PHICH information include in embodiments of the present invention HARQ, ACK and NACK feedback information.
Referring to Fig.2, an embodiment of the method for communication provided in an embodiment of the present invention includes:
101, the network equipment determines the son that physical mixed automatic re-transmission indicating channel PHICH information is sent to user equipment Band, the subband are the running time-frequency resource with preset bandwidth.
The PHICH information transmitted on the subband has corresponded to an analog beam, the PHICH information pair on different sub-band Different analog beams is answered.
The running time-frequency resource of whole system provided by the network equipment may include multiple subbands, and each analog beam can correspond to Different subbands.Subband corresponding to the analog beam can be determined by initial position and frequency domain width.
102, the network equipment will be on the PHICH information MAP to the subband.
103, the network equipment by the subband to the user equipment transmission be mapped on the subband described in PHICH information.
104, user equipment determines that the network equipment sends the analog wave of physical mixed automatic re-transmission indicating channel PHICH information Subband corresponding to beam, the subband are the running time-frequency resource with preset bandwidth.
105, user equipment demodulates the PHICH information from the subband.
To can not accomplish in the prior art by the PHICH information MAP of user equipment to the corresponding analog beam of the user equipment It is compared in corresponding running time-frequency resource region, the scheme network equipment provided in an embodiment of the present invention can will be associated with analog beam In PHICH information MAP to the corresponding running time-frequency resource region of the analog beam, user equipment can be from associated with analog beam Running time-frequency resource regional decoding PHICH information.
Wherein, optionally, the network equipment may include: by the PHICH information MAP to the subband
The network equipment is according to the index of first Physical Resource Block PRB of the user equipment uplink scheduling Index1st PRB, the initial position of running time-frequency resource corresponding with the subband and the bandwidth of the running time-frequency resource, determine described in The index Index of PHICHPHICH；
The network equipment is by the PHICH information MAP to the IndexPHICHOn corresponding running time-frequency resource.
Further, the network equipment is according to first Physical Resource Block PRB's of the user equipment uplink scheduling Index Index1st PRB, the initial position of running time-frequency resource corresponding with the subband and the bandwidth of the running time-frequency resource determine institute State the index Index of PHICHPHICH, may include:
The network equipment is according to the initial position of the corresponding running time-frequency resource of the subband and the bandwidth of the running time-frequency resource Determine the number N of the corresponding PHICH group of the subbandgroup_Bi；
The corresponding PHICH group number of each analog beam can be obtained by following formula:
Wherein,Indicate the total quantity of downlink resource block in whole system bandwidth,Under indicating on i-th of subband The total quantity of row resource block, RB refer to PRB, N in embodiments of the present inventionh=1/6,1/2,1 or 2；Wherein 1 indicate every uplink 1 PRB pair should when 1 process required PHICH group number, 2 corresponding multi-user's multiple-input and multiple-output (Multi-User Multiple-Input Multiple-Output, MU-MIMO) when every 1 PRB pair of uplink should be required when 2 processes PHICH group number, 1/6 and 1/2 then corresponds to a case where process occupies multiple PRB.
The network equipment is according to the Index of the user equipment uplink scheduling1st PRBWith the Ngroup_Bi, determine The index Index of the PHICH groupgroupWith the index Index of PHICH in the PHICH grouplocal；
Index can be determined according to the following formulagroupAnd Indexlocal；
Indexgroup=(Index1st PRB+IndexDMRS) %Ngroup_Bi；
Wherein IndexDMRSIndicate that the cyclic shift of demodulation pilot tone indexes (Cyclic Shift index), if in cell If row pilot tone does not do cyclic shift, by IndexDMRSIt is set as 0；Two user equipmenies occupy same ascending resource, such as MU- When MIMO, the PHICH of distinct device is distinguished with cyclic shift.
The network equipment is according to the Indexgroup, the IndexlocalWith the Ngroup_BiDescribed in determination IndexPHICH。
Index can be determined by following formulaPHICH；
IndexPHICH=Indexgroup+Indexlocal×Ngroup_Bi；Alternatively,
IndexPHICH=Indexlocal+Indexgroup×Ngroup_Bi。
Optionally, the network equipment is according to the rope of first Physical Resource Block PRB of the user equipment uplink scheduling Draw Index1st PRB, the initial position of running time-frequency resource corresponding with the subband and the bandwidth of the running time-frequency resource, determine described in The index Index of PHICHPHICH, may include:
The network equipment is according to the initial position of the corresponding running time-frequency resource of the subband and the bandwidth of the running time-frequency resource Determine the number N of the corresponding PHICH group of the subbandgroup_Bi；
The network equipment is by the Index of the user equipment uplink scheduling1st PRBIt is right on the subband to be mapped to The index Index of the PRB answered1st PRB_to_Bi；
The network equipment is according to Index1st PRB_to_BiWith the Ngroup_Bi, determine the index of the PHICH group IndexgroupWith the index Index of PHICH in the PHICH grouplocal；
The network equipment is according to the Indexgroup, the IndexlocalWith the Ngroup_BiDescribed in determination IndexPHICH。
Wherein, the network equipment is by the Index of the user equipment uplink scheduling1st PRBIt is mapped to the subband The index Index of upper corresponding PRB1st PRB_to_Bi, may include:
The network equipment determines the Index according to following formula1st PRB_to_Bi:
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the subband Bandwidth, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband,It indicates lower to be rounded.
Wherein, the network equipment is by the Index of the user equipment uplink scheduling1st PRBIt is mapped to the subband The index Index of upper corresponding PRB1st PRB_to_Bi, may include:
The network equipment determines the Index according to following formula1st PRB_to_Bi:
Index1st PRB_to_Bi=Index1st PRB%BWBi+Index1st PRB_Bi；
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the subband Bandwidth, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband.
It can be understood refering to Fig. 3:
When whole system bandwidth includes tetra- subbands of B0, B1, B2 and B3, the corresponding subband of the analog beam of user equipment When for B0, by the index Index of first PRB of the user equipment in uplink total system bandwidth1st PRBIt is mapped on subband B0 The index Index of corresponding Physical Resource Block1st PRB_to_Bi, i=0 at this time.
There are two types of specific mapping methods, can be mapped respectively according to following two formula:
Index1st PRB_to_Bi=Index1st PRB%BWBi+Index1st PRB_Bi；
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the subband Bandwidth, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband.
It is assumed that in the case that whole system bandwidth is 100 PRB, by taking each PHICH group users multiplexing number 8 as an example, The maximum open ended PHICH group number of whole system bandwidth is 100/8=12 at this time, this is that whole system bandwidth can The maximum PHICH group number of support.
When analog beam number is variable, when the bandwidth of the corresponding subband of each analog beam also can be changed, pass through analog beam The PHICH group number on the corresponding subband of each analog beam is arranged in the dynamic state of parameters such as corresponding subband bandwidth, such as basis The ratio that each analog beam bandwidth accounts for whole system bandwidth goes to distribute the whole system bandwidth maximum open ended PHICH Group number 12, no matter how analog beam number or the corresponding subband bandwidth of analog beam become when, guarantee all analog waves PHICH group number on the corresponding subband of beam and maximum possible approach 12.
Below by taking 50 PRB of system bandwidth are divided into 4 subbands according to analog beam as an example, wherein 4 analog beams The corresponding sub-band information of PHICH resource successively are as follows:
One: PRB index of subband [0-9]；
Two: PRB index of subband [10-19]；
Three: PRB index of subband [20-29]；
Four: PRB index of subband [30-49].
According to above-mentioned method for mapping resource, the corresponding PHICH resource of analog beam 1 is according to its corresponding uplink scheduling PRB It is mapped within the scope of the frequency domain resource of PRB [0-9], the corresponding PHICH resource of analog beam 2 is according to its corresponding uplink scheduling RB It is mapped within the scope of the frequency domain resource of PRB [10-19], the corresponding PHICH resource of analog beam 3 is according to its corresponding uplink scheduling RB is mapped within the scope of the frequency domain resource of PRB [20-29], and the corresponding PHICH resource of analog beam 4 is according to its corresponding uplink Scheduling RB is mapped within the scope of the frequency domain resource of PRB [30-49].
One PHICH group occupies 3 resource unit groups (Resource Element Group, REG), what 3 REG were formed PHICH is distinguished with orthogonal spreading sequence in PHICH group.(in the case of Normal CP, spreading factor be 4+I/Q two-way, i.e., one It includes 8 PHICH that a PHICH group occupies 3 REG altogether；In the case of extended CP, spreading factor be 2+I/Q two-way, 3 REG is upper there are two PHICH group, i.e., each REG respectively occupies two RE, and each PHICH group includes 4 PHICH, total on 3 REG Number is still 8 PHICH.3 REG are in one, two and three orthogonal frequency division multiplexing (Orthogonal Frequency Division Multiplexing, OFDM) symbol (Symbol) distribution situation that is can be understood refering to Fig. 4.
Optionally, the user equipment demodulates the PHICH information from the subband, may include:
The user equipment is according to the index of first Physical Resource Block PRB of the user equipment uplink scheduling Index1st PRB, the initial position of running time-frequency resource corresponding with the subband and the bandwidth of the running time-frequency resource, determine described in The index Index of PHICHPHICH；
The user equipment demodulates the PHICH information from the subband.
Optionally, the user equipment is according to the rope of first Physical Resource Block PRB of the user equipment uplink scheduling Draw Index1st PRB, the initial position of running time-frequency resource corresponding with the subband and the bandwidth of the running time-frequency resource, determine described in The index Index of PHICHPHICH, may include:
The user equipment is according to the initial position of running time-frequency resource corresponding with the subband and the band of the running time-frequency resource Width determines the number N of the corresponding PHICH group of the analog beamgroup_Bi；
The user equipment is according to the Index of the user equipment uplink scheduling1st PRBWith the Ngroup_Bi, determine The index Index of the PHICH groupgroupWith the index Index of PHICH in the PHICH grouplocal；
The user equipment is according to the Indexgroup, the IndexlocalWith the Ngroup_BiDescribed in determination IndexPHICH。
Optionally, the user equipment is according to the rope of first Physical Resource Block PRB of the user equipment uplink scheduling Draw Index1st PRB, the initial position of running time-frequency resource corresponding with the subband and the bandwidth of the running time-frequency resource, determine described in The index Index of PHICHPHICH, may include:
The user equipment is according to the initial position of running time-frequency resource corresponding with the subband and the band of the running time-frequency resource Width determines the number N of the corresponding PHICH group of the analog beamgroup_Bi；
The user equipment is by the Index of the user equipment uplink scheduling1st PRBIt is right on the subband to be mapped to The index Index of the PRB answered1st PRB_to_Bi；
The user equipment is according to Index1st PRB_to_BiWith the Ngroup_Bi, determine the index of the PHICH group IndexgroupWith the index Index of PHICH in the PHICH grouplocal；
The user equipment is according to the Indexgroup, the IndexlocalWith the Ngroup_BiDescribed in determination IndexPHICH。
Optionally, the user equipment is by the Index of the user equipment uplink scheduling1st PRBIt is mapped to the son Take corresponding index Index1st PRB_to_Bi, may include:
The user equipment determines the Index according to following formula1st PRB_to_Bi:
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the subband Bandwidth, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband,It indicates lower to be rounded.
Optionally, the user equipment is by the Index of the user equipment uplink scheduling1st PRBIt is mapped to the son Take corresponding index Index1st PRB_to_Bi, may include:
The user equipment determines Index according to following formula1st PRB_to_Bi:
Index1st PRB_to_Bi=Index1st PRB%BWBi+Index1st PRB_Bi；
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the subband Bandwidth, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband.
More than, it describes from the angle of the network equipment and user equipment in multiple analog beams, and each analog beam pair When answering different running time-frequency resources, PHICH information MAP to the corresponding running time-frequency resource region of corresponding analog beam and user equipment Side decodes the process of PHICH information from corresponding running time-frequency resource.
Refering to Fig. 5, an embodiment of the network equipment provided in an embodiment of the present invention includes:
Determination unit 201 sends physical mixed automatic re-transmission indicating channel PHICH information for determining to user equipment Subband, the subband are the running time-frequency resource with preset bandwidth；
Map unit 202, the subband for determining the PHICH information MAP to the determination unit 201；
Transmission unit 203 has been mapped in for sending the map unit 202 to the user equipment by the subband The PHICH information on the subband.
To can not accomplish in the prior art by the PHICH information MAP of user equipment to the corresponding analog beam of the user equipment It is compared in corresponding running time-frequency resource region, the network equipment provided in an embodiment of the present invention can will be associated with analog beam In PHICH information MAP to the corresponding running time-frequency resource region of the analog beam.
Optionally, the map unit 202 is specifically used for:
According to the index Index of first Physical Resource Block PRB of the user equipment uplink scheduling1st PRB, and it is described The initial position of the corresponding running time-frequency resource of subband and the bandwidth of the running time-frequency resource, determine the index Index of the PHICHPHICH；
By the PHICH information MAP to the IndexPHICHOn corresponding running time-frequency resource.
Optionally, the map unit 202 is specifically used for:
The subband is determined according to the bandwidth of the initial position of the corresponding running time-frequency resource of the subband and the running time-frequency resource The number N of corresponding PHICH groupgroup_Bi；
According to the Index of the user equipment uplink scheduling1st PRBWith the Ngroup_Bi, determine the PHICH group Index IndexgroupWith the index Index of PHICH in the PHICH grouplocal；
According to the Indexgroup, the IndexlocalWith the Ngroup_BiDetermine the IndexPHICH。
Optionally, the map unit 202 is specifically used for:
The simulation is determined according to the bandwidth of the initial position of the corresponding running time-frequency resource of the subband and the running time-frequency resource The number N of the corresponding PHICH group of wave beamgroup_Bi；
By the Index of the user equipment uplink scheduling1st PRBIt is mapped to the index of corresponding PRB on the subband Index1st PRB_to_Bi；
According to Index1st PRB_to_BiWith the Ngroup_Bi, determine the index Index of the PHICH groupgroupWith it is described The index Index of PHICH in PHICH grouplocal；
According to the Indexgroup, the IndexlocalWith the Ngroup_BiDetermine the IndexPHICH。
Optionally, the map unit 202 is specifically used for:
The Index is determined according to following formula1st PRB_to_Bi:
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the subband Bandwidth, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband,It indicates lower to be rounded.
Optionally, the map unit 202 is specifically used for:
The Index is determined according to following formula1st PRB_to_Bi:
Index1st PRB_to_Bi=Index1st PRB%BWBi+Index1st PRB_Bi；
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the subband Bandwidth, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband.
The corresponding embodiment of Fig. 5 or any alternative embodiment, can the associated description refering to fig. 1 to the part Fig. 4 managed Solution, this place, which is not done, excessively to be repeated.
Refering to Fig. 6, an embodiment of user equipment provided in an embodiment of the present invention includes:
Determination unit 301, for determining that the network equipment sends the mould of physical mixed automatic re-transmission indicating channel PHICH information Subband corresponding to quasi- wave beam, the subband are the running time-frequency resource with preset bandwidth；
Demodulating unit 302, for demodulating the PHICH information from the subband that the determination unit 301 determines.
With can not accomplish in the prior art by the PHICH information MAP of user equipment to the user equipment corresponding subband when Compared in frequency resource area, user equipment provided in an embodiment of the present invention can from the associated running time-frequency resource region of analog beam Decode PHICH information.
Optionally, the demodulating unit 302 is specifically used for:
According to the index Index of first Physical Resource Block PRB of the user equipment uplink scheduling1st PRB, and it is described The initial position of the corresponding running time-frequency resource of subband and the bandwidth of the running time-frequency resource, determine the index Index of the PHICHPHICH；
The PHICH information is demodulated from the subband.
Optionally, the demodulating unit 302 is specifically used for:
The mould is determined according to the bandwidth of the initial position of running time-frequency resource corresponding with the subband and the running time-frequency resource The number N of the quasi- corresponding PHICH group of wave beamgroup_Bi；
According to the Index of the user equipment uplink scheduling1st PRBWith the Ngroup_Bi, determine the PHICH group Index IndexgroupWith the index Index of PHICH in the PHICH grouplocal；
According to the Indexgroup, the IndexlocalWith the Ngroup_BiDetermine the IndexPHICH。
Optionally, the demodulating unit 302 is specifically used for:
The mould is determined with the initial position of running time-frequency resource of the subband and the bandwidth of the running time-frequency resource according to described The number N of the quasi- corresponding PHICH group of wave beamgroup_Bi；
By the Index of the user equipment uplink scheduling1st PRBIt is mapped to the index of corresponding PRB on the subband Index1st PRB_to_Bi；
According to Index1st PRB_to_BiWith the Ngroup_Bi, determine the index Index of the PHICH groupgroupWith it is described The index Index of PHICH in PHICH grouplocal；
According to the Indexgroup, the IndexlocalWith the Ngroup_BiDetermine the IndexPHICH。
Optionally, the demodulating unit 302 is specifically used for:
The Index is determined according to following formula1st PRB_to_Bi:
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the subband Bandwidth, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband,It indicates lower to be rounded.
Optionally, the demodulating unit 302 is specifically used for:
Index is determined according to following formula1st PRB_to_Bi:
Index1st PRB_to_Bi=Index1st PRB%BWBi+Index1st PRB_Bi；
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the subband Bandwidth, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband.
A kind of hardware configuration of the network equipment/user equipment is present embodiments provided, shown in Figure 7, a kind of network is set The hardware configuration of standby/user equipment may include:
Transceiving device, software components and hardware device three parts；
Transceiving device is the hardware circuit for completing pack receiving and transmitting；
Hardware device can also claim " hardware processing module " or simpler, can be also simply referred to as " hardware ", hardware device master It to include certain to realize based on FPGA, ASIC etc special hardware circuit (can also cooperate other support devices, such as memory) The hardware circuit of specific function, processing speed is often many fastly compared to general processor, but function one is customized, is just difficult Change, therefore, implements and not flexible, commonly used to handle the function of some fixations.It should be noted that hardware device exists It also may include MCU (microprocessor, such as single-chip microcontroller) or CPU processor in practical application, but the master of these processors Wanting function is not to complete the processing of big data, and be mainly used for carrying out some controls, under this application scenarios, by these devices The system of part collocation is hardware device.
Software components (or also simple " software ") mainly include that general processor (such as CPU) and some are matched Device (such as memory, hard disk store equipment), can allow processor to have corresponding processing function by programming, with software come It, can speed be slow compared to for hardware device according to business flexible configuration, but often when realization.It, can be with after software has been handled The data handled are sent by transceiving device by hardware device, can also be connected by one with transceiving device Interface sends the data handled to transceiving device.
In the present embodiment, transceiving device is for sending PHICH information.
The other function of hardware device and software components has been discussed in detail in the aforementioned embodiment, and which is not described herein again.
Receiving unit, transmission unit can be by input/output I/O equipment (such as network interface card) Lai real with reference to the accompanying drawing Existing, processing unit can be and can execute program in memory or instruction by processor and do in detail come the technical solution realized Introduction:
Fig. 8 is the structural schematic diagram of the network equipment 50 provided in an embodiment of the present invention.The network equipment 50 includes processing Device 510, memory 550 and input/output I/O equipment 530, memory 550 may include that read-only memory and arbitrary access are deposited Reservoir, and operational order and data are provided to processor 510.The a part of of memory 550 can also include non-volatile random It accesses memory (NVRAM).
In some embodiments, memory 550 stores following element, executable modules or data structures, or Their subset of person or their superset:
In embodiments of the present invention, by calling the operational order of the storage of memory 550, (operational order is storable in behaviour Make in system),
Determine that the subband that physical mixed automatic re-transmission indicating channel PHICH information is sent to user equipment, the subband are Running time-frequency resource with preset bandwidth；
It will be on the PHICH information MAP to the subband；
The PHICH information being mapped on the subband is sent to the user equipment by I/O equipment 530.
With can not accomplish in the prior art by the PHICH information MAP of user equipment to the user equipment corresponding subband when It is compared in frequency resource area, the network equipment provided in an embodiment of the present invention can will be believed from the associated PHICH of different analog beams Breath is mapped in the corresponding running time-frequency resource region of the analog beam.
Processor 510 controls the operation of the network equipment 50, and processor 510 can also be known as CPU (Central Processing Unit, central processing unit).Memory 550 may include read-only memory and random access memory, and Instruction and data is provided to processor 510.The a part of of memory 550 can also include nonvolatile RAM (NVRAM).The various components of the network equipment 50 are coupled by bus system 520 in specific application, wherein total linear system System 520 can also include power bus, control bus and status signal bus in addition etc. in addition to including data/address bus.But in order to For the sake of clear explanation, various buses are all designated as bus system 520 in figure.
The method that the embodiments of the present invention disclose can be applied in processor 510, or be realized by processor 510. Processor 510 may be a kind of IC chip, the processing capacity with signal.During realization, the above method it is each Step can be completed by the integrated logic circuit of the hardware in processor 510 or the instruction of software form.Above-mentioned processing Device 510 can be general processor, digital signal processor (DSP), specific integrated circuit (ASIC), ready-made programmable gate array (FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.May be implemented or Person executes disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor can be microprocessor or Person's processor is also possible to any conventional processor etc..The step of method in conjunction with disclosed in the embodiment of the present invention, can be straight Connect and be presented as that hardware decoding processor executes completion, or in decoding processor hardware and software module combination executed At.Software module can be located at random access memory, and flash memory, read-only memory, programmable read only memory or electrically-erasable can In the storage medium of this fields such as programmable memory, register maturation.The storage medium is located at memory 550, and processor 510 is read Information in access to memory 550, in conjunction with the step of its hardware completion above method.
Optionally, processor 510 is specifically used for:
The network equipment is according to the index of first Physical Resource Block PRB of the user equipment uplink scheduling Index1st PRB, the initial position of running time-frequency resource corresponding with the subband and the bandwidth of the running time-frequency resource, determine described in The index Index of PHICHPHICH；
The network equipment is by the PHICH information MAP to the IndexPHICHOn corresponding running time-frequency resource.
Optionally, processor 510 is specifically used for:
The subband is determined according to the bandwidth of the initial position of the corresponding running time-frequency resource of the subband and the running time-frequency resource The number N of corresponding PHICH groupgroup_Bi；
According to the Index of the user equipment uplink scheduling1st PRBWith the Ngroup_Bi, determine the PHICH group Index IndexgroupWith the index Index of PHICH in the PHICH grouplocal；
According to the Indexgroup, the IndexlocalWith the Ngroup_BiDetermine the IndexPHICH。
Optionally, processor 510 is specifically used for:
The subband is determined according to the bandwidth of the initial position of the corresponding running time-frequency resource of the subband and the running time-frequency resource The number N of corresponding PHICH groupgroup_Bi；
By the Index of the user equipment uplink scheduling1st PRBIt is mapped to the index of corresponding PRB on the subband Index1st PRB_to_Bi；
According to Index1st PRB_to_BiWith the Ngroup_Bi, determine the index Index of the PHICH groupgroupWith it is described The index Index of PHICH in PHICH grouplocal；
According to the Indexgroup, the IndexlocalWith the Ngroup_BiDetermine the IndexPHICH。
Optionally, processor 510 is specifically used for:
The Index is determined according to following formula1st PRB_to_Bi:
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the subband Bandwidth, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband,It indicates lower to be rounded.
Optionally, processor 510 is specifically used for:
The Index is determined according to following formula1st PRB_to_Bi:
Index1st PRB_to_Bi=Index1st PRB%BWBi+Index1st PRB_Bi；
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the subband Bandwidth, the Index1st PRB_BiIndicate the index of first PRB on subband.
The part Fig. 8 described embodiment or any alternative embodiment can participate in the associated description of Fig. 1 to Fig. 4 part into Row understands that this place, which is not done, excessively to be repeated.
Fig. 9 shows the block diagram with the part-structure of user equipment 60 provided in an embodiment of the present invention.With reference to Fig. 9, use Family equipment includes: radio circuit 610, memory 620, input unit 630, display unit 640, sensor 650, voicefrequency circuit 660, the components such as WiFi module 670, processor 680 and power supply 690.It will be understood by those skilled in the art that being shown in Fig. 9 The structure of user equipment do not constitute the restriction to user equipment, may include than illustrating more or fewer components, or Combine certain components or different component layouts.User equipment in the embodiment of the present invention can be mobile phone and step on terminal device.
It is specifically introduced below with reference to each component parts of the Fig. 9 to user equipment:
Radio circuit 610 can be used for receiving the PHICH information of network equipment transmission；
Memory 620 can be used for storing software program and module, and processor 680 is stored in memory 620 by operation Software program and module, thereby executing the various function application and data processing of user equipment.Memory 620 can be main Including storing program area and storage data area, wherein storing program area can answer needed for storage program area, at least one function With program (such as sound-playing function, image player function etc.) etc.；Storage data area can store the use according to user equipment Data (such as audio data, phone directory etc.) created etc..In addition, memory 620 may include high random access storage Device, can also include nonvolatile memory, and a for example, at least disk memory, flush memory device or other volatibility are solid State memory device.
Input unit 630 can be used for receiving the number or character information of input, and generate the user with user equipment 60 Setting and the related key signals input of function control.Specifically, input unit 630 may include touch panel 631 and other Input equipment 632.Touch panel 631, also referred to as touch screen collect the touch operation of user on it or nearby and (for example use Family uses the behaviour of any suitable object or attachment on touch panel 631 or near touch panel 631 such as finger, stylus Make), and corresponding connection user equipment is driven according to preset formula.Optionally, touch panel 631 may include touching inspection Survey two parts of user equipment and touch controller.Wherein, the touch orientation of touch detection user equipment detection user, and detect Touch operation bring signal, transmits a signal to touch controller；Touch controller is received from touch detection user equipment Touch information, and be converted into contact coordinate, then give processor 680, and order that processor 680 is sent can be received and added To execute.Furthermore, it is possible to realize touch panel using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves 631.In addition to touch panel 631, input unit 630 can also include other input equipments 632.Specifically, other input equipments 632 can include but is not limited to physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, One of operating stick etc. is a variety of.
Display unit 640 can be used for showing information input by user or the information and user equipment that are supplied to user Various menus.Display unit 640 may include indicator light 641, optionally, can use liquid crystal display (Liquid Crystal Display, LCD), the forms such as Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) refer to configure Show lamp 641.Further, touch panel 631 can cover indicator light 641, when touch panel 631 detects on it or nearby After touch operation, processor 680 is sent to determine the type of touch event, is followed by subsequent processing device 680 according to the class of touch event Type provides corresponding visual output on indicator light 641.Although touch panel 631 and indicator light 641 are as two in Fig. 9 A independent component realizes the input and input function of user equipment, but in some embodiments it is possible to by touch panel 631 is integrated with indicator light 641 and that realizes user equipment output and input function.
User equipment 60 may also include at least one sensor 650.
Voicefrequency circuit 660, loudspeaker 661, microphone 662 can provide the audio interface between user and user equipment.Sound Electric signal after the audio data received conversion can be transferred to loudspeaker 661, be converted to by loudspeaker 661 by frequency circuit 660 Voice signal output；On the other hand, the voice signal of collection is converted to electric signal by microphone 662, is received by voicefrequency circuit 660 After be converted to audio data, then by after the processing of audio data output processor 680, be sent to through radio circuit 610 such as another One user equipment, or audio data is exported to memory 620 to be further processed.
Processor 680 is the control centre of user equipment, utilizes each of various interfaces and the entire user equipment of connection A part by running or execute the software program and/or module that are stored in memory 620, and calls and is stored in storage Data in device 620 execute the various functions and processing data of user equipment, to carry out integral monitoring to user equipment.It can Choosing, processor 680 may include one or more processing units；Preferably, processor 680 can integrate application processor and modulation Demodulation processor, wherein the main processing operation system of application processor, user interface and application program etc., modulation /demodulation processing Device mainly handles wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 680.
Processor 680 is in embodiments of the present invention for determining that the network equipment sends physical mixed automatic re-transmission indicating channel The subband of PHICH information, the subband are the running time-frequency resource with preset bandwidth；The PHICH letter is demodulated from the subband Breath.
User equipment 60 further includes the power supply 690 (such as battery) powered to all parts, it is preferred that power supply can pass through Power-supply management system and processor 680 are logically contiguous, to realize management charging, electric discharge, Yi Jigong by power-supply management system The functions such as consumption management.
Although being not shown, user equipment 60 can also include camera, bluetooth module etc., and details are not described herein.
Can also include: in the embodiment of the present invention
Optionally, processor 680 is specifically used for:
According to the index Index of first Physical Resource Block PRB of the user equipment uplink scheduling1st PRB, and it is described The initial position of the corresponding running time-frequency resource of subband and the bandwidth of the running time-frequency resource, determine the index Index of the PHICHPHICH；
The PHICH information is demodulated from the subband.
Optionally, processor 680 is specifically used for:
The mould is determined according to the bandwidth of the initial position of running time-frequency resource corresponding with the subband and the running time-frequency resource The number N of the quasi- corresponding PHICH group of wave beamgroup_Bi；
According to the Index of the user equipment uplink scheduling1st PRBWith the Ngroup_Bi, determine the PHICH group Index IndexgroupWith the index Index of PHICH in the PHICH grouplocal；
According to the Indexgroup, the IndexlocalWith the Ngroup_BiDetermine the IndexPHICH。
Optionally, processor 680 is specifically used for:
The mould is determined according to the bandwidth of the initial position of running time-frequency resource corresponding with the subband and the running time-frequency resource The number N of the quasi- corresponding PHICH group of wave beamgroup_Bi；
By the Index of the user equipment uplink scheduling1st PRBIt is mapped to the index of corresponding PRB on the subband Index1st PRB_to_Bi；
According to Index1st PRB_to_BiWith the Ngroup_Bi, determine the index Index of the PHICH groupgroupWith it is described The index Index of PHICH in PHICH grouplocal；
According to the Indexgroup, the IndexlocalWith the Ngroup_BiDetermine the IndexPHICH。
Optionally, processor 680 is specifically used for:
The Index is determined according to following formula1st PRB_to_Bi:
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the subband Bandwidth, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband,It indicates lower to be rounded.
Processor 680 is specifically used for:
Index is determined according to following formula1st PRB_to_Bi:
Index1st PRB_to_Bi=Index1st PRB%BWBi+Index1st PRB_Bi；
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the subband Bandwidth, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband.
With can not accomplish in the prior art by the PHICH information MAP of user equipment to the user equipment corresponding subband when Compared in frequency resource area, user equipment provided in an embodiment of the present invention can from the associated running time-frequency resource region of analog beam Decode PHICH information.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage Medium may include: ROM, RAM, disk or CD etc..
The method, equipment and system for being provided for the embodiments of the invention communication above are described in detail, herein In apply that a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to sides Assistant solves method and its core concept of the invention；At the same time, for those skilled in the art, think of according to the present invention Think, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as pair Limitation of the invention.

Claims (21)

1. a kind of method of communication characterized by comprising
The network equipment determines the subband that physical mixed automatic re-transmission indicating channel PHICH information is sent to user equipment, the son Band is the running time-frequency resource with preset bandwidth；
The network equipment is according to the index Index of first Physical Resource Block PRB of the user equipment uplink scheduling1st PRB, the initial position of running time-frequency resource corresponding with the subband and the bandwidth of the running time-frequency resource determine the index of the PHICH IndexPHICH；
The network equipment is by the PHICH information MAP to the IndexPHICHOn corresponding running time-frequency resource；
The network equipment sends the PHICH being mapped on subband letter to the user equipment by the subband Breath.
2. the method according to claim 1, wherein the network equipment is according to the user equipment uplink scheduling First Physical Resource Block PRB index Index1st PRB, the initial position of running time-frequency resource corresponding with the subband and institute The bandwidth for stating running time-frequency resource determines the index Index of the PHICHPHICH, comprising:
The network equipment is determined according to the initial position of the corresponding running time-frequency resource of the subband and the bandwidth of the running time-frequency resource The number N of the corresponding PHICH group of the subbandgroup_Bi；
The network equipment is according to the Index of the user equipment uplink scheduling1st PRBWith the Ngroup_Bi, described in determination The index Index of PHICH groupgroupWith the index Index of PHICH in the PHICH grouplocal；
The network equipment is according to the Indexgroup, the IndexlocalWith the Ngroup_BiDetermine the IndexPHICH。
3. the method according to claim 1, wherein the network equipment is according to the user equipment uplink scheduling First Physical Resource Block PRB index Index1st PRB, the initial position of running time-frequency resource corresponding with the subband and institute The bandwidth for stating running time-frequency resource determines the index Index of the PHICHPHICH, comprising:
The network equipment is determined according to the initial position of the corresponding running time-frequency resource of the subband and the bandwidth of the running time-frequency resource The number N of the corresponding PHICH group of the subbandgroup_Bi；
The network equipment is by the Index of the user equipment uplink scheduling1st PRBIt is mapped to corresponding on the subband The index Index of PRB1st PRB_to_Bi；
The network equipment is according to Index1st PRB_to_BiWith the Ngroup_Bi, determine the index Index of the PHICH groupgroup With the index Index of PHICH in the PHICH grouplocal；
The network equipment is according to the Indexgroup, the IndexlocalWith the Ngroup_BiDetermine the IndexPHICH。
4. according to the method described in claim 3, it is characterized in that, the network equipment is by the user equipment uplink scheduling The Index1st PRBIt is mapped to the index Index of corresponding PRB on the subband1stPRB_to_Bi, comprising:
The network equipment determines the Index according to following formula1st PRB_to_Bi:
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the band of the subband Width, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband.
5. according to the method described in claim 3, it is characterized in that, the network equipment is by the user equipment uplink scheduling The Index1st PRBIt is mapped to the index Index of corresponding PRB on the subband1stPRB_to_Bi, comprising:
The network equipment determines the Index according to following formula1st PRB_to_Bi:
Index1st PRB_to_Bi=Index1st PRB%BWBi+Index1st PRB_Bi；
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the band of the subband Width, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband.
6. a kind of method of communication characterized by comprising
User equipment determines that the network equipment sends the subband of physical mixed automatic re-transmission indicating channel PHICH information, the subband For the running time-frequency resource with preset bandwidth；
The user equipment is according to the index Index of first Physical Resource Block PRB of the user equipment uplink scheduling1st PRB, the initial position of running time-frequency resource corresponding with the subband and the bandwidth of the running time-frequency resource determine the index of the PHICH IndexPHICH；
The user equipment demodulates the PHICH information from the subband.
7. according to the method described in claim 6, it is characterized in that, the user equipment is according to the user equipment uplink scheduling First Physical Resource Block PRB index Index1st PRB, the initial position of running time-frequency resource corresponding with the subband and institute The bandwidth for stating running time-frequency resource determines the index Index of the PHICHPHICH, comprising:
The user equipment is true according to the initial position of running time-frequency resource corresponding with the subband and the bandwidth of the running time-frequency resource Determine the number N of the corresponding PHICH group of the subbandgroup_Bi；
The user equipment is according to the Index of the user equipment uplink scheduling1st PRBWith the Ngroup_Bi, described in determination The index Index of PHICH groupgroupWith the index Index of PHICH in the PHICH grouplocal；
The user equipment is according to the Indexgroup, the IndexlocalWith the Ngroup_BiDetermine the IndexPHICH。
8. according to the method described in claim 6, it is characterized in that, the user equipment is according to the user equipment uplink scheduling First Physical Resource Block PRB index Index1st PRB, the initial position of running time-frequency resource corresponding with the subband and institute The bandwidth for stating running time-frequency resource determines the index Index of the PHICHPHICH, comprising:
The user equipment is true according to the initial position of running time-frequency resource corresponding with the subband and the bandwidth of the running time-frequency resource Determine the number N of the corresponding PHICH group of the subbandgroup_Bi；
The user equipment is by the Index of the user equipment uplink scheduling1st PRBIt is mapped to corresponding on the subband The index Index of PRB1st PRB_to_Bi；
The user equipment is according to Index1st PRB_to_BiWith the Ngroup_Bi, determine the index Index of the PHICH groupgroup With the index Index of PHICH in the PHICH grouplocal；
The user equipment is according to the Indexgroup, the IndexlocalWith the Ngroup_BiDetermine the IndexPHICH。
9. according to the method described in claim 8, it is characterized in that, the user equipment is by the user equipment uplink scheduling The Index1st PRBIt is mapped to the index Index of corresponding PRB on the subband1stPRB_to_Bi, comprising:
The user equipment determines the Index according to following formula1st PRB_to_Bi:
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the band of the subband Width, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband.
10. according to the method described in claim 8, it is characterized in that, the user equipment is by the user equipment uplink scheduling The index of first Physical Resource Block PRB be mapped to the index Index of the corresponding PRB on the subband1st PRB_to_Bi, packet It includes:
The user equipment determines Index according to following formula1st PRB_to_Bi:
Index1st PRB_to_Bi=Index1st PRB%BWBi+Index1st PRB_Bi；
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the band of the subband Width, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband.
11. a kind of network equipment characterized by comprising
Determination unit, for determining the subband for sending physical mixed automatic re-transmission indicating channel PHICH information to user equipment, institute Stating subband is the running time-frequency resource with preset bandwidth；
Map unit is specifically used for:
According to the index Index of first Physical Resource Block PRB of the user equipment uplink scheduling1st PRB, with the subband The bandwidth of the initial position of corresponding running time-frequency resource and the running time-frequency resource determines the index Index of the PHICHPHICH；
By the PHICH information MAP to the IndexPHICHOn corresponding running time-frequency resource；
Transmission unit has been mapped in the subband for sending the map unit to the user equipment by the subband The PHICH information.
12. the network equipment according to claim 11, which is characterized in that
The map unit is specifically used for:
Determine that the subband is corresponding according to the bandwidth of the initial position of the corresponding running time-frequency resource of the subband and the running time-frequency resource PHICH group number Ngroup_Bi；
According to the Index of the user equipment uplink scheduling1st PRBWith the Ngroup_Bi, determine the rope of the PHICH group Draw IndexgroupWith the index Index of PHICH in the PHICH grouplocal；
According to the Indexgroup, the IndexlocalWith the Ngroup_BiDetermine the IndexPHICH。
13. the network equipment according to claim 11, which is characterized in that
The map unit is specifically used for:
Determine that the subband is corresponding according to the bandwidth of the initial position of the corresponding running time-frequency resource of the subband and the running time-frequency resource PHICH group number Ngroup_Bi；
By the Index of the user equipment uplink scheduling1st PRBIt is mapped to the index of corresponding PRB on the subband Index1st PRB_to_Bi；
According to Index1st PRB_to_BiWith the Ngroup_Bi, determine the index Index of the PHICH groupgroupWith the PHICH group The index Index of interior PHICHlocal；
According to the Indexgroup, the IndexlocalWith the Ngroup_BiDetermine the IndexPHICH。
14. the network equipment according to claim 13, which is characterized in that
The map unit is specifically used for:
The Index is determined according to following formula1st PRB_to_Bi:
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the band of the subband Width, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband.
15. the network equipment according to claim 13, which is characterized in that
The map unit is specifically used for:
The Index is determined according to following formula1st PRB_to_Bi:
Index1st PRB_to_Bi=Index1st PRB%BWBi+Index1st PRB_Bi；
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the band of the subband Width, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband.
16. a kind of user equipment characterized by comprising
Determination unit, for determining that the network equipment sends the analog beam of physical mixed automatic re-transmission indicating channel PHICH information Corresponding subband, the subband are the running time-frequency resource with preset bandwidth；
Demodulating unit is specifically used for:
According to the index Index of first Physical Resource Block PRB of the user equipment uplink scheduling1st PRB, with the subband The bandwidth of the initial position of corresponding running time-frequency resource and the running time-frequency resource determines the index Index of the PHICHPHICH；
The PHICH information is demodulated from the subband.
17. user equipment according to claim 16, which is characterized in that
The demodulating unit is specifically used for:
The analog wave is determined according to the bandwidth of the initial position of running time-frequency resource corresponding with the subband and the running time-frequency resource The number N of the corresponding PHICH group of beamgroup_Bi；
According to the Index of the user equipment uplink scheduling1st PRBWith the Ngroup_Bi, determine the rope of the PHICH group Draw IndexgroupWith the index Index of PHICH in the PHICH grouplocal；
According to the Indexgroup, the IndexlocalWith the Ngroup_BiDetermine the IndexPHICH。
18. user equipment according to claim 16, which is characterized in that
The demodulating unit is specifically used for:
The analog wave is determined with the initial position of running time-frequency resource of the subband and the bandwidth of the running time-frequency resource according to described The number N of the corresponding PHICH group of beamgroup_Bi；
By the Index of the user equipment uplink scheduling1st PRBIt is mapped to the index of corresponding PRB on the subband Index1st PRB_to_Bi；
According to Index1st PRB_to_BiWith the Ngroup_Bi, determine the index Index of the PHICH groupgroupWith the PHICH group The index Index of interior PHICHlocal；
According to the Indexgroup, the IndexlocalWith the Ngroup_BiDetermine the IndexPHICH。
19. user equipment according to claim 18, which is characterized in that
The demodulating unit is specifically used for:
The Index is determined according to following formula1st PRB_to_Bi:
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the band of the subband Width, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband.
20. user equipment according to claim 18, which is characterized in that
The demodulating unit is specifically used for:
Index is determined according to following formula1st PRB_to_Bi:
Index1st PRB_to_Bi=Index1st PRB%BWBi+Index1st PRB_Bi；
Wherein, BW indicates the bandwidth of entire running time-frequency resource provided by the network equipment, the BWBiIndicate the band of the subband Width, the Index1st PRB_BiIndicate the index of corresponding PRB on the subband.
21. a kind of communication system characterized by comprising the network equipment and user equipment；
The network equipment is any network equipment of the claims 11-15；
The user equipment is any user equipment of the claims 16-20.
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