WO2015154524A1 - D2d通信处理方法、装置、d2d通信设备及基站 - Google Patents

D2d通信处理方法、装置、d2d通信设备及基站 Download PDF

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WO2015154524A1
WO2015154524A1 PCT/CN2014/094560 CN2014094560W WO2015154524A1 WO 2015154524 A1 WO2015154524 A1 WO 2015154524A1 CN 2014094560 W CN2014094560 W CN 2014094560W WO 2015154524 A1 WO2015154524 A1 WO 2015154524A1
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Prior art keywords
resource
logical channel
read
subn
max
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PCT/CN2014/094560
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English (en)
French (fr)
Inventor
王文焕
杨瑾
吴栓栓
黄双红
袁明
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中兴通讯股份有限公司
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Priority to US15/501,299 priority Critical patent/US10231244B2/en
Publication of WO2015154524A1 publication Critical patent/WO2015154524A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
    • 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
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/0012—Hopping in multicarrier systems
    • 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
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • 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
    • H04L5/0037—Inter-user or inter-terminal allocation
    • H04L5/0039—Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another
    • 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
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • 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
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/16—Half-duplex systems; Simplex/duplex switching; Transmission of break signals non-automatically inverting the direction of transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of communications, and in particular to a D2D communication processing method and apparatus, a D2D communication device, and a base station.
  • the D2D UE resource allocation is divided into two working modes from the sending layer: Mode1, the eNodeB or rel-10relay node scheduling resources are used for D2D UE transmission; Mode2, D2D UE selecting resources by itself The pool's resources are used for the transmission of D2D UEs.
  • the UE transmitting end needs to send scheduling information SA (Scheduling Assignment) for indicating physical channel resource information and control information of the transmitted D2D data.
  • SA Service Assignment
  • Mode 1 and Mode 2 are different in that, in Mode 1, the eNB configures the scheduling SA and data (data) resources for the transmitting UE, and in Mode 2, the Tx UE selects the SA and the data resources in the resource pool.
  • the SA resources should be scheduled first, and the SA scheduling indicates the data resources, and the SA is the carrier of its data indication, which is equivalent to the data control information, and its reliability requirement is very high.
  • the SA pattern is designed in the standard. It is just beginning, such as the conflict of mode2, the duplexing of the system constrains its mutual listening. Therefore, it is very important to improve the reliability of SA design.
  • the conference has proposed to support the retransmission mechanism to further improve the reliability of SA.
  • the D2D resource pool is a set of time-frequency resources for D2D UEs, which can be pre-configured or network configured.
  • the D2D resource pool includes an SA resource pool and a data resource pool, and is a Time Division Multiplex (TDM) configuration.
  • FIG. 1 is a schematic diagram of a resource indication and a relationship between an SA domain and a data domain in the related art.
  • the SA is composed of an index plus frequency domain offset, and the resources of the data are indicated by the T-PRT in the SA and the frequency domain.
  • Each SA index includes a certain time-frequency resource in the resource unit, for example, the frequency domain is 1 to 2 PRB, and the time domain is one subframe.
  • the mode configuration of the SA and the data (data) of the UE is scheduled by the scheduling base station, and the eNodeB notifies the sending UE, and the transmitting UE sends the SA and the data, and the receiving UE obtains the data resource indication and control information by reading the SA, and then reads Obtaining data (data) information; for the mode 2, the UE sends the UE to randomly select or select the SA resource and the data resource in a certain manner, and the SA indicates the data resource and the control information of the data, and the receiving UE obtains the data resource indication and the control information by reading the SA, Then read the data information.
  • the duplexing will restrict the mutual listening between the UEs.
  • the invention provides a D2D communication processing method and device, a D2D communication device and a base station, so as to at least solve the problem that the UEs cannot hear each other under the D2D half-duplex system in the related art.
  • a D2D communication processing method comprising: determining a resource configuration of a scheduling allocation SA and/or data for device-to-device D2D communication, wherein SA and/or data for D2D communication
  • the resources are divided into M resource groups, and each resource group includes X resource units composed of N time domain resource units*K frequency domain resource units, and each resource unit includes O symbols in the time domain, in frequency.
  • the domain includes P subcarriers, and the X resource units in each resource group are used to configure T logical channels.
  • Each logical channel includes Num resource units according to the number of transmissions Num, and each logical channel is determined in the resource group according to a predetermined rule.
  • each logical channel in each resource group includes at least one resource unit and the resource unit of other logical channels other than the logical channel are not in the same time domain at least once, wherein , M, N, K, X, O, P, T, Num are integers; D2D communication processing is performed according to the determined resource configuration.
  • the resource configuration for determining the SA and/or data for D2D communication comprises at least one of: receiving the resource configuration of a scheduling allocation SA and/or data for D2D communication sent by a base station; The resource for D2D communication is monitored, and the resource configuration of the scheduling allocation SA and/or data for D2D communication is determined according to the monitoring result.
  • the determining the resource allocation for the scheduling allocation SA and/or data for the D2D communication comprises: the number of time domain resource units N in the resource group being greater than the frequency domain resource unit number K in the predetermined rule; or, the resource When the number of time domain resource units N in the group is equal to the number K of frequency domain resource units, the physical resources of the logical channels located in the same subframe when the first transmission is configured are located in different subframes at least once when retransmitting.
  • the physical resources of the logical channels located in the same subframe when the first transmission is configured are located at different times at different times in the retransmission.
  • the resource unit in the resource group is constructed according to the number of time-frequency resource units and the corresponding logical channel number.
  • the frequency domain resource units in the resource group are consecutively allocated, or equally spaced; the time domain resource units in the resource group are consecutively allocated, or equally spaced.
  • the predetermined rule defines that each logical channel in each resource group includes at least one resource unit and the resource unit of other logical channels except the logical channel are not in the same time domain at least once:
  • the numbers 1, 2, 3, ..., k*(m+1)/2 are placed into cells numbered (k, m) by the following formula: Among them, the line number is k.
  • performing D2D communication processing according to the determined resource configuration includes: performing resource according to the determined resource group indication of the resource group included in the determined resource configuration, and the logical channel indication of the logical channel corresponding to the resource group. Select; D2D communication processing based on the selected resources.
  • a D2D communication processing method comprising: determining a resource configuration for scheduling allocation of SA and/or data for device-to-device D2D communication, wherein SA and/or for D2D communication
  • the resources of the data are divided into M resource groups, and each resource group includes X resource units composed of N time domain resource units*K frequency domain resource units, and each resource unit includes O symbols in the time domain.
  • the frequency domain includes P subcarriers, and the X resource units in each resource group are used to configure T logical channels.
  • Each logical channel includes Num resource units according to the number of transmissions Num, and each logical channel is determined according to a predetermined rule.
  • the predetermined rule is used to define that each logical channel in each resource group includes at least one resource unit and the resource unit of other logical channels except the logical channel are not in the same time domain at least once,
  • M, N, K, X, O, P, T, and Num are integers; and the determined resource configuration is sent to the D2D communication device.
  • the determining the resource allocation for the scheduling allocation SA and/or data for the D2D communication comprises: the number of time domain resource units N in the resource group being greater than the frequency domain resource unit number K in the predetermined rule; or, the resource When the number of time domain resource units N in the group is equal to the number K of frequency domain resource units, the physical resources of the logical channels located in the same subframe when the first transmission is configured are located in different subframes at least once when retransmitting.
  • the physical resources of the logical channels located in the same subframe when the first transmission is configured are located at different times at different times in the retransmission.
  • the method includes: constructing a matrix of the resource unit in the resource group according to the number of time-frequency resource units and a corresponding logical channel number, and selecting the serial number according to the physical resource corresponding to the matrix number when the first sending is configured, and rotating the sequence according to the serial number in the retransmission The physical resources corresponding to the matrix are sent.
  • the predetermined rule defines that each logical channel in each resource group includes at least one resource unit and the resource unit of other logical channels except the logical channel are not in the same time domain at least once:
  • the numbers 1, 2, 3, ..., k*(m+1)/2 are placed into cells numbered (k, m) by the following formula: Among them, the line number is k.
  • the sending the determined resource configuration to the D2D communication device comprises: indicating, to the determined resource group included in the determined resource configuration, a logical channel corresponding to the resource group;
  • the resource group indication indicating the resource group included in the resource configuration and the resource configuration indicated by the logical channel indicating the logical channel corresponding to the resource group are sent to the D2D communication device.
  • a D2D communication processing apparatus comprising: a first determining module configured to determine a resource configuration of a scheduling allocation SA and/or data for device-to-device D2D communication, wherein The resources of the SA and/or data of the D2D communication are divided into M resource groups, and each resource group includes X resource units composed of N time domain resource units*K frequency domain resource units, and each resource unit is in the time domain.
  • the above includes O symbols, including P subcarriers in the frequency domain, and X resource units in each resource group are used to configure T logical channels, and each logical channel includes Num resource units according to the number of transmissions Num, according to a predetermined rule.
  • each logical channel in a resource group Determining a location of each logical channel in a resource group, the predetermined rule being used to define that each logical channel in each resource group includes at least one resource unit and at least one resource unit other than the logical channel
  • One time is not in the same time domain, where M, N, K, X, O, P, T, Num are integers; the processing module is configured to perform D2D communication processing according to the determined resource configuration.
  • the first determining module comprises at least one of: a receiving unit, configured to receive, by the base station, the resource configuration of a scheduling allocation SA and/or data set to D2D communication; and determining, configured to be used for The resources of the D2D communication are monitored, and the resource configuration of the scheduling allocation SA and/or data for D2D communication is determined according to the monitoring result.
  • a receiving unit configured to receive, by the base station, the resource configuration of a scheduling allocation SA and/or data set to D2D communication
  • determining configured to be used for The resources of the D2D communication are monitored, and the resource configuration of the scheduling allocation SA and/or data for D2D communication is determined according to the monitoring result.
  • the first determining module includes: a first configuration unit, configured to: when the predetermined rule is a resource group, the number of time domain resource units N is greater than the frequency domain resource unit number K; or, the time domain in the resource group
  • the number of resource units N is equal to the number K of frequency domain resource units
  • the physical resources of the logical channels located in the same subframe when the first transmission is configured are located at different times in the different subframes at the time of retransmission.
  • the first configuration unit includes: a first configuration subunit, configured to construct a matrix of the resource unit in the resource group according to the number of time-frequency resource units and a corresponding logical channel number, and select the serial number according to the matrix number when the first transmission is configured.
  • the corresponding physical resource is sent, and is sent in the physical resource corresponding to the transposed matrix of the matrix according to the sequence number during retransmission.
  • the processing module includes: a selecting unit, configured to perform resource selection according to the determined resource group indication for the resource group included in the determined resource configuration and the logical channel indication of the logical channel corresponding to the resource group;
  • the processing unit is configured to perform D2D communication processing according to the selected resource.
  • a D2D communication device comprising the apparatus of any of the above.
  • a D2D communication processing apparatus comprising: a second determining module configured to determine a resource configuration of a scheduling allocation SA and/or data for device-to-device D2D communication, wherein The resources of the SA and/or data of the D2D communication are divided into M resource groups, and each resource group includes X resource units composed of N time domain resource units*K frequency domain resource units, and each resource unit is in the time domain.
  • the above includes O symbols, including P subcarriers in the frequency domain, and X resource units in each resource group are used to configure T logical channels, and each logical channel includes Num resource units according to the number of transmissions Num, according to a predetermined rule.
  • each logical channel in a resource group Determining a location of each logical channel in a resource group, the predetermined rule being used to define that each logical channel in each resource group includes at least one resource unit and at least one resource unit other than the logical channel
  • One time is not in the same time domain, where M, N, K, X, O, P, T, Num are integers; the sending module is configured to send the determined resource configuration to the D2D communication device.
  • the second determining module includes: a second configuration unit, configured to: when the predetermined rule is a resource group, the number of time domain resource units N is greater than the frequency domain resource unit number K; or, the time domain in the resource group
  • the number of resource units N is equal to the number K of frequency domain resource units
  • the physical resources of the logical channels located in the same subframe when the first transmission is configured are located at different times in the different subframes at the time of retransmission.
  • the second configuration unit includes: a second configuration subunit, configured to construct a matrix of the resource unit in the resource group according to the number of time-frequency resource units and a corresponding logical channel number, and select a logical sequence number according to the matrix sequence number when the first transmission is configured.
  • the corresponding physical resource is sent, and is sent in the physical resource corresponding to the transposed matrix of the matrix according to the sequence number during retransmission.
  • the sending module includes: an indicating unit, configured to: indicate, to the determined resource group included in the determined resource configuration, a logical channel corresponding to the resource group; and send, by the sending unit,
  • the resource group indication indicating the resource group included in the resource configuration and the resource configuration indicated by the logical channel indicating the logical channel corresponding to the resource group are sent to the D2D communication device.
  • a base station comprising the apparatus of any of the above.
  • a resource configuration for determining SA and/or data for device-to-device D2D communication allocation is employed, wherein resources for SA and/or data for D2D communication are divided into M resource groups, each resource group An X resource unit consisting of N time domain resource units*K frequency domain resource units, each resource unit including 0 symbols in the time domain, and P subcarriers in the frequency domain, in each resource group
  • the X resource units are configured to configure T logical channels, each logical channel includes Num resource units according to the number of transmissions Num, and the location of each logical channel in the resource group is determined according to a predetermined rule, where the predetermined rule is used to define each
  • Each logical channel in the resource group includes at least one resource unit and the resource unit of the logical channel other than the logical channel are not in the same time domain at least once, wherein M, N, K, X, O, P, T, Num are integers; performing D2D communication processing according to the determined resource configuration, and solving the problem that the UEs cannot hear
  • FIG. 1 is a schematic diagram of resource indication and relationship between an SA domain and a data domain in the related art
  • FIG. 2 is a flowchart of a first method of D2D communication processing according to an embodiment of the present invention
  • FIG. 3 is a flowchart of a second method of D2D communication processing according to an embodiment of the present invention.
  • FIG. 4 is a structural block diagram of a D2D communication processing apparatus 1 according to an embodiment of the present invention.
  • FIG. 5 is a block diagram 1 of a preferred structure of the first determining module 42 in the D2D communication processing apparatus 1 according to an embodiment of the present invention
  • FIG. 6 is a block diagram 2 of a preferred structure of the first determining module 42 in the D2D communication processing apparatus 1 according to an embodiment of the present invention
  • FIG. 7 is a block diagram showing a preferred structure of the first configuration unit 62 in the first determining module 42 in the D2D communication processing device 1 according to an embodiment of the present invention
  • FIG. 8 is a block diagram showing a preferred structure of a processing module 44 in a D2D communication processing apparatus 1 according to an embodiment of the present invention.
  • FIG. 9 is a structural block diagram of a D2D communication device according to an embodiment of the present invention.
  • FIG. 10 is a structural block diagram of a D2D communication processing apparatus 2 according to an embodiment of the present invention.
  • FIG. 11 is a block diagram showing a preferred structure of a second determining module 102 in a D2D communication processing apparatus 2 according to an embodiment of the present invention
  • FIG. 12 is a block diagram showing a preferred structure of the second configuration unit 112 in the second determining module 102 in the D2D communication processing device 2 according to an embodiment of the present invention
  • FIG. 13 is a block diagram showing a preferred structure of a transmitting module 104 in a D2D communication processing apparatus 2 according to an embodiment of the present invention
  • FIG. 14 is a structural block diagram of a base station according to an embodiment of the present invention.
  • Figure 15 is a schematic view showing the form of an SA pattern 1 according to a preferred embodiment 1 of the present invention.
  • Figure 16 is a schematic diagram showing the form of an SA pattern 2 according to a preferred embodiment 1 of the present invention.
  • Figure 17 is a schematic view showing the form of an SA pattern 1 according to a preferred embodiment 1 of the present invention.
  • Figure 18 is a schematic diagram showing the form of an SA pattern 2 according to a preferred embodiment 1 of the present invention.
  • Figure 19 is a schematic view showing the form of an SA pattern 1 according to a preferred embodiment 1 of the present invention.
  • FIG. 20 is a schematic diagram showing the form of an SA pattern 2 according to a preferred embodiment 1 of the present invention.
  • 21 is a schematic diagram showing the first and second reading of corresponding numbers in the second step of the SA mode in FIG. 18 in accordance with a preferred embodiment 1 of the present invention
  • 22 is a schematic diagram of resource elements in a time domain more than 2 subframes in a frequency domain according to a preferred embodiment 3 of the present invention.
  • FIG. 23 is a schematic diagram of a resource unit whose time domain is twice the frequency domain according to a preferred embodiment 3 of the present invention.
  • 24 is a schematic diagram of resource group frequency hopping according to a preferred embodiment 4 of the present invention.
  • Figure 25 (a) is a schematic diagram 1 of a mode of transmitting 4 times in accordance with a preferred embodiment of the present invention
  • Figure 25 (b) is a schematic diagram 2 of a mode of transmitting 4 times in accordance with a preferred embodiment of the present invention.
  • 26 is a schematic diagram of transmitting 4 times of frequency hopping in accordance with a preferred embodiment of the present invention.
  • FIG. 2 is a flowchart of a D2D communication processing method according to an embodiment of the present invention. As shown in FIG. 2, the flow includes the following steps:
  • Step S202 determining resource allocations for scheduling allocation SA and/or data for device-to-device D2D communication, wherein resources of SA and/or data for D2D communication are divided into M resource groups, each resource group including N time domain resource units * K frequency domain resource units consisting of X resource units, each resource unit including 0 symbols in the time domain, P subcarriers in the frequency domain, and X in each resource group
  • the resource unit is configured to configure T logical channels, each logical channel includes Num resource units according to the number of transmissions Num, and the location of each logical channel in the resource group is determined according to a predetermined rule, and the predetermined rule is used to define each resource group.
  • Each logical channel includes at least one resource unit and a resource unit of a logical channel other than the logical channel at least once in the same time domain, where M, N, K, X, O, P, T, Num are Is an integer;
  • Step S204 Perform D2D communication processing according to the determined resource configuration.
  • the resource selection may be performed according to the determined resource configuration, that is, the logical channel of the resource group and the resource group is determined, and D2D communication processing is performed on the selected logical channel.
  • the resource allocation of the SA and/or data is allocated by the scheduling of the D2D communication, and the related technologies have the problem that the UEs cannot hear each other under the D2D half-duplex system, thereby achieving the D2D half-double.
  • the base station When determining resource configuration of SA and/or data for D2D communication, multiple manners may be adopted depending on whether there is coverage of the base station, for example, in the case where there is coverage of the base station, the base station may be directly received for D2D.
  • the scheduling of the communication allocates the resource configuration of the SA and/or the data, that is, the resource group and the logical channel, and establishes the physical resources of the SA and/or data; and, for example, in the absence of the coverage of the base station, the resources for the D2D communication can be monitored.
  • the base station configures the resources of the D2D user through the resource group and the physical resource sequence according to the resource configuration, and for the mode2 user, the user group selected according to the user to listen to The idleness of the user group, the resource group and the physical resource serial number are selected.
  • the number of time domain resource units N in the resource group is greater than the predetermined rule.
  • the physical resources of the logical channels located in the same subframe when the first transmission is configured may be used in different subframes at least once during retransmission.
  • the selected sequence number is sent according to the physical resource corresponding to the matrix number, and the sequence is in the matrix according to the sequence number during retransmission.
  • the physical resource corresponding to the transposed matrix is sent.
  • frequency domain resource units in the resource group are consecutively allocated or equally spaced; the time domain resource units in the resource group are continuously allocated, or are equally allocated.
  • the predetermined rule therein may be determined in various manners, for example, the predetermined rule defines at least one of each logical channel in each resource group by: The resource unit and the resource unit of the logical channel other than the logical channel are not in the same time domain at least once: in the first step, the numbers 1, 2, 3, ... k*(m+1)/ are represented by the following formula: 2, the number is placed in the cell numbered (k, m): Among them, the line number is k.
  • each logical channel in each resource group is defined to include at least one resource unit and other than the logical channel.
  • the following preferential processing manner may also be adopted, according to the resource group indication for the resource group and the logical channel corresponding to the resource group, which are included in the determined resource configuration.
  • the logical channel indicates that the resource selection is performed, and the D2D communication processing is performed according to the selected resource.
  • FIG. 3 is a flowchart of a method 2 of D2D communication processing according to an embodiment of the present invention. As shown in FIG. 3, the process includes the following steps:
  • Step S302 determining resource allocations for scheduling allocation SA and/or data for device-to-device D2D communication, wherein resources of SA and/or data for D2D communication are divided into M resource groups, each resource group including N time domain resource units * K frequency domain resource units consisting of X resource units, each resource unit including 0 symbols in the time domain, P subcarriers in the frequency domain, and X in each resource group
  • the resource unit is configured to configure T logical channels, each logical channel includes Num resource units according to the number of transmissions Num, and the location of each logical channel in the resource group is determined according to a predetermined rule, and the predetermined rule is used to define each resource group.
  • Each logical channel includes at least one resource unit and a resource unit of a logical channel other than the logical channel at least once in the same time domain, where M, N, K, X, O, P, T, Num are Is an integer;
  • Step S304 the determined resource configuration is sent to the D2D communication device.
  • the resource allocation of the SA and/or data is allocated by the scheduling of the D2D communication, and the related technologies have the problem that the UEs cannot hear each other under the D2D half-duplex system, thereby achieving the D2D half-double.
  • the number of time domain resource units N in the resource group in the predetermined rule is greater than the frequency domain resource unit number K
  • the number of time domain resource units N in the resource group is equal to the number K of frequency domain resource units, the physical resources of the logical channels located in the same subframe when the first transmission is configured are located in different subframes at least once when retransmitting.
  • the physical channels in the same subframe when the first transmission is configured are relocated at least once in different subframes.
  • the resource unit in the resource group is constructed according to the number of time-frequency resource units and the corresponding logical channel number.
  • the predetermined rule may also define that each logical channel in each resource group includes at least one resource unit and the logic in the following manner.
  • the resource elements of other logical channels other than the channel are not in the same time domain at least once:
  • the numbers of 1, 2, 3, ..., k*(m+1)/2 are placed by the following formula Cells numbered (k,m): Among them, the line number is k.
  • each of the logical channels in each resource group is defined by the foregoing manner, and at least one resource unit is not in the same time domain as the resource unit of the logical channel other than the logical channel.
  • Upper: x(k,m) 1+mod((4*(m-1)+k-1), 5), where mod is a modulo operation.
  • the resource group corresponding to the determined resource configuration and the logical channel corresponding to the resource group may be first indicated, and then the base station will include the pair of resources.
  • the resource group indication indicating the resource group included in the configuration and the resource configuration indicated by the logical channel indicating the logical channel corresponding to the resource group are sent to the D2D communication device.
  • a D2D communication processing device is also provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and has not been described again.
  • the term “module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 4 is a structural block diagram of a D2D communication processing apparatus according to an embodiment of the present invention. As shown in FIG. 4, the apparatus includes a first determining module 42 and a processing module 44, which will be described below.
  • the first determining module 42 is configured to determine a resource configuration for scheduling allocation SA and/or data for device-to-device D2D communication, wherein resources of SA and/or data for D2D communication are divided into M resource groups, each The resource group includes X resource elements consisting of N time domain resource units*K frequency domain resource units, each resource unit including 0 symbols in the time domain, and P subcarriers in the frequency domain, each resource The X resource units in the group are used to configure T logical channels, each logical channel includes Num resource units according to the number of transmissions Num, and the location of each logical channel in the resource group is determined according to a predetermined rule, and the predetermined rule is used to define each Each logical channel in a resource group includes at least one resource unit and at least one resource unit other than the logical channel is not in the same time domain, where M, N, K, X, O, P , T, Num are integers; the processing module 44 is connected to the first determining module 42 and configured to perform D2D communication processing according to
  • the first determining module 42 includes at least one of the following: a receiving unit 52, a determining unit.
  • the first determining module 42 will be described below.
  • the receiving unit 52 is configured to receive a resource configuration of the scheduling allocation SA and/or data for the D2D communication sent by the base station, and the determining unit 54 is configured to monitor the resource used for the D2D communication, and determine the D2D communication according to the monitoring result.
  • the scheduling allocates resource configurations for SA and/or data.
  • FIG. 6 is a block diagram of a preferred structure of the first determining module 42 in the D2D communication processing apparatus according to the embodiment of the present invention. As shown in FIG. 6, the first determining module 42 includes a first configuration unit 62. A determination module 42 is described.
  • the first configuration unit 62 is configured to set the number of time domain resource units N in the resource group to be greater than the frequency domain resource unit number K in a predetermined rule; or, the number of time domain resource units N in the resource group is equal to the number of frequency domain resource units K In this case, the physical resources of the logical channel located in the same subframe when the first transmission is configured are located in different subframes at least once when retransmitting.
  • FIG. 7 is a block diagram showing a preferred configuration of the first configuration unit 62 in the first determining module 42 in the D2D communication processing apparatus 1 according to the embodiment of the present invention.
  • the first configuration unit 62 includes: a first configuration subunit. 72.
  • the first configuration subunit 72 will be described below.
  • the first configuration sub-unit 72 is configured to configure the resource unit in the resource group according to the number of time-frequency resource units and the corresponding logical channel number.
  • the selected sequence number is sent according to the physical resource corresponding to the matrix number, and is retransmitted. According to the sequence number, it is sent in the physical resource corresponding to the transposed matrix of the matrix.
  • FIG. 8 is a block diagram showing a preferred structure of the processing module 44 in the D2D communication processing apparatus 1 according to an embodiment of the present invention.
  • the processing module 44 includes a selection unit 82 and a processing unit 84, and the processing module 44 is provided below. Be explained.
  • the selecting unit 82 is configured to perform resource selection according to the resource group indication for the resource group included in the determined resource configuration and the logical channel indication of the logical channel corresponding to the resource group; the processing unit 84 is connected to the selecting unit 82, and configured D2D communication processing is performed according to the selected resources.
  • the D2D communication device 90 includes the D2D communication processing device-92 of any of the above.
  • FIG. 10 is a structural block diagram of a D2D communication processing apparatus 2 according to an embodiment of the present invention. As shown in FIG. 10, the apparatus includes: a second determining module 102 and a transmitting module 104, which will be described below.
  • the second determining module 102 is configured to determine a resource configuration for scheduling allocation of SA and/or data for device-to-device D2D communication, wherein resources of SA and/or data for D2D communication are divided into M resource groups, each The resource group includes X resource elements consisting of N time domain resource units*K frequency domain resource units, each resource unit including 0 symbols in the time domain, and P subcarriers in the frequency domain, each resource The X resource units in the group are used to configure T logical channels, each logical channel includes Num resource units according to the number of transmissions Num, and the location of each logical channel in the resource group is determined according to a predetermined rule, and the predetermined rule is used to define each Each logical channel in a resource group includes at least one resource unit and at least one resource unit other than the logical channel is not in the same time domain, where M, N, K, X, O, P , T, Num are integers;
  • the sending module 104 is connected to the second determining module 102, and is configured to send the determined resource configuration to the D2D communication device.
  • FIG. 11 is a block diagram showing a preferred structure of a second determining module 102 in a D2D communication processing apparatus 2 according to an embodiment of the present invention.
  • the second determining module 102 includes a second configuration unit 112, and the second The configuration unit 112 will be described.
  • the second configuration unit 112 is configured to set the number of time domain resource units N in the resource group to be greater than the frequency domain resource unit number K in the predetermined rule; or, the number of time domain resource units N in the resource group is equal to the number of frequency domain resource units K In this case, the physical resources of the logical channel located in the same subframe when the first transmission is configured are located in different subframes at least once when retransmitting.
  • FIG. 12 is a block diagram showing a preferred configuration of the second configuration unit 112 in the second determining module 102 of the D2D communication processing device 2 according to the embodiment of the present invention.
  • the second configuration unit 112 includes: a second configuration subunit. 122.
  • the second configuration subunit 122 will be described below.
  • the second configuration sub-unit 122 is configured to construct a matrix of the resource unit in the resource group according to the number of time-frequency resource units and a corresponding logical channel number, and select the sequence number to be sent according to the physical resource corresponding to the matrix number when the first transmission is performed, when retransmitting According to the sequence number, it is sent in the physical resource corresponding to the transposed matrix of the matrix.
  • FIG. 13 is a block diagram showing a preferred structure of a transmitting module 104 in a D2D communication processing apparatus 2 according to an embodiment of the present invention.
  • the transmitting module 104 includes: an instructing unit 132 and a transmitting unit 134. Be explained.
  • the indicating unit 132 is configured to indicate the logical group corresponding to the resource group and the resource group included in the determined resource configuration
  • the sending unit 134 is connected to the indicating unit 132, and is configured to include the included in the resource configuration.
  • the resource group indication indicating the resource group and the resource configuration indicated by the logical channel indicating the logical channel corresponding to the resource group are sent to the D2D communication device.
  • FIG. 14 is a structural block diagram of a base station according to an embodiment of the present invention. As shown in FIG. 14, the base station 140 includes the D2D communication processing device 142 of any of the above.
  • D2D For D2D, it is divided into two modes: traditional base station coverage and no coverage. D2D resources and data communication resources are configured by the base station for scheduling under the coverage; D2D resources and data are used for scheduling by pre-configuring D2D in the non-coverage scenario. Communication resources, because the D2D system is half-duplex, if two users at the same time initiate services at the same time, they cannot receive each other, especially for the same user group, such as fire, medical, disaster relief, etc. Listening causes loss of received information, and for broadcast communication, because the user is in different locations and has no feedback, it is also important to improve link reliability to meet the link target.
  • the D2D cannot communicate with each other due to the half-duplex problem in the communication scenario.
  • a resource allocation method is provided, which can effectively solve the D2D communication problem due to the half-duplex problem. Listening to each other and improving link reliability by retransmitting to meet the link target.
  • the eNodeB can indicate the resource of the SA by the frequency domain block sequence number through the index, and the non-coverage scenario can select the SA resource through competition.
  • the method includes the following processing:
  • the configured resource pool is divided into M resource groups, each resource group is composed of several resource units, each resource unit including one subframe (or a partial symbol of one subframe) in the time domain. , or multiple subframes), including one RB (or two RBs, or multiple RBs) in the frequency domain.
  • Each resource group includes N (N resource elements in the time domain) *K (K resource elements in the frequency domain), and N*K resource units in each resource group configure T logical channels, each logical channel is configured according to The number of transmissions Num, including Num resource units, is set according to a certain rule.
  • Each logical channel index i includes the location of the Num resource unit in the resource group to ensure mutual listening, that is, the logical channel index i included in the resource group has at least one resource unit i. It is not on the same time domain channel as other logical channel indexes (T-1 logical units except i).
  • the design rule includes that the resource group time domain resource unit number N is greater than the frequency domain resource unit number K, and the same subframe index is located in a different subframe at the time of retransmission.
  • the physical resource index distribution of the resource group is obtained.
  • the resource group resource unit is composed of a matrix A[N, K] according to the time-frequency sequence index, and the transposed matrix A T of A is transmitted when retransmitting.
  • the resource group may be a continuous allocation of frequency domain physical units, or may be equally spaced.
  • the plurality of resource groups may be in one scheduling period or in multiple scheduling periods, and the time domain resource unit may be a continuous subframe or a discontinuous subframe.
  • a method of indicating T logical channels For the resource group M configured by the base station in the coverage, the logical channel index i, for the coverage, the terminal selection resource group M and the logical channel index i are transmitted by the user.
  • a D2D resource configuration apparatus is further provided, where the apparatus includes:
  • its device includes an eNodeB, and a mobile terminal to send a D2D message.
  • the eNodeB includes a resource scheduling module, a message sending device, and the D2D mobile terminal includes a resource requesting unit, a message receiving unit, and a sending module.
  • the device includes a mobile terminal to send a D2D message, including a listening module, a resource selection module, and a sending module.
  • the broadcast communication especially the D2D broadcast communication
  • the design of the control channel or the SA indication is particularly important, due to the semi-double Work patterns result in the inability to receive information from each other, and there may be problems with missing information.
  • D2D can promote D2DSA design ideas in standard conferences to fill the design gap.
  • the transmission scheme of the D2D scheduling allocation SA or the control message in the preferred embodiment of the present invention is exemplified below.
  • a radio resource for communication is a form of time-frequency two-dimensional.
  • uplink and downlink communication resources are divided in units of radio frames in the time direction, and each radio frame has a length of 10 ms, including There are 10 sub-frames of length 1 ms, each of which includes two slots of length 0.5 ms, as shown in FIG.
  • each time slot may include 6 or 7 OFDM or SC-FDM symbols.
  • resources are divided into subcarriers.
  • the smallest unit of frequency domain resource allocation is a resource block (Resource Block, RB for short), and one physical resource block (Physical RB, corresponding to a physical resource).
  • PRB Resource Block
  • a PRB contains 12 sub-carriers in the frequency domain, corresponding to one slot in the time domain.
  • a resource corresponding to one subcarrier on each OFDM/SC-FDM symbol is called a resource element (RE element).
  • the so-called resource indication is the determined radio resource indicated by the combination of the time domain subframe and the frequency domain PRB.
  • the resources allocated to the D2D are further divided into an SA domain or a control domain and a data service area.
  • the SA domain and the data domain are included, and the SA domain may be a continuous subframe or a discontinuous subframe, such as the latter.
  • the SA domain is divided into basic physical units or SA channels, such as one to two PRB pairs in the frequency domain, and one time domain.
  • the basic physical unit can be divided into 0 to P SA channels according to the sequence number.
  • the SA channel occupies part of the subframe or one subframe or multiple subframes in time.
  • one subframe is taken as an example, in one scheduling.
  • the period includes 0 to P SA channels in the frequency domain, and includes 1 to N subframes, that is, 1 to N time domain SA channels in the time domain, and time domain and frequency domain resources of one or more SAs or control channels form an SA domain.
  • each SA channel in the SA domain can be retransmitted.
  • the number of SA transmissions can be 1, 2, 4, 8. It can be system configuration or obtained by system messages, that is, according to each SA.
  • the size of the domain, N contains one or more time domain SA channels, M contains one or more frequency domain SA channels, and P/M*N constitutes a resource index block.
  • the innovations involved here are mainly based on the design of the resource group.
  • the listed embodiment occupies one subframe with the SA channel, that is, the number of subframes is the number of SA time domain channels, and one to two PRB pairs in the frequency domain are an SA channel. It is to be noted that the number of subframes listed in the SA may be one scheduling period or multiple scheduling periods.
  • the number of frequency domain channels of the SA is configured according to the number of time domain SA channels.
  • the number of time domain SA subframes is N
  • the number of frequency domain channels is configured as N-1
  • retransmission is one time
  • the resource group [N, N-1].
  • the number of time domain subframes is 5
  • the number of frequency domain SA channels is 4.
  • the subframe in which the retransmission is located is not in the same subframe as the first subframe channel.
  • the first frame SA channel is marked as 1, 2, 3, 4 for the first transmission, and when retransmitting 1, 2, 3, 4 must be distributed in the second, third, fourth, and fifth subframes. Then, in the vacant resource of the second frame, the first sequence number of the SA channels 5, 6, and 7 is set, and the retransmitted 5, 6, 7 is distributed in the third, fourth, and fifth subframes thereafter, in order to ensure retransmission.
  • the frequency hopping and time diversity gain, retransmission and the time interval of the first transmission are as large as possible.
  • FIG. 15 is a schematic diagram of a form of an SA pattern according to a preferred embodiment 1 of the present invention, as shown in FIG. 15;
  • FIG. 16 is a schematic diagram showing the form of an SA pattern 2 according to a preferred embodiment 1 of the present invention, as shown in FIG. 16;
  • FIG. 17 is a schematic diagram of a form of an SA pattern according to a preferred embodiment 1 of the present invention, as shown in FIG. 17;
  • FIG. 18 is a schematic diagram showing the form of an SA pattern 2 according to a preferred embodiment 1 of the present invention, as shown in FIG. 18;
  • FIG. 19 is a schematic diagram of a form of an SA pattern according to a preferred embodiment 1 of the present invention, as shown in FIG. 19;
  • FIG. 20 is a schematic diagram of a form of an SA pattern 2 according to a preferred embodiment 1 of the present invention, as shown in FIG. 20;
  • the preferred embodiment 1 will be described with reference to Fig. 18 as an example.
  • the SA mode shown in Figure 18 can be obtained in the following manner:
  • the first step is to put the numbers 1, 2, 3, . . . . . , 9, 10 put the cell numbered (k, m).
  • the method is to put in the cell of (k, m) This value.
  • Min() indicates the smaller of the two.
  • the second step five numbers in the (k, m) cell are read.
  • the method is: for the first time, the first column is read from the cell with the smallest k and the smallest m, and then the 5-th column is read; the second time, m is incremented by 1 (ie, m takes 2), The first column is read from the cell having the smallest k and the smallest m, and then the 5-th column (i.e., the third column) is read. The other 2 lines are read backwards (read the 5th-m column first, then the mth column).
  • 21 is a schematic diagram of acquiring the corresponding number for the first time and the second time in the second step of the SA mode in FIG. 18 according to the preferred embodiment 1 of the present invention.
  • the first reading is performed.
  • the number corresponding to the solid line, the second time is the number corresponding to the dotted line.
  • the above-mentioned read number is written into a new table (a table of 4 rows and 5 columns).
  • the number of frequency domain resources of the SA is configured according to the number of time domain subframes.
  • the number of time domain SA subframes is N
  • the frequency domain channel is configured as N-2
  • the resource group is [N, N-2]
  • the retransmission is performed once.
  • the number of time domain subframes is 6, the number of frequency domain SA channels is 4.
  • the subframe in which the retransmission is located is not in the same subframe as the first subframe channel.
  • the first frame SA channel is labeled as 1, 2, 3, 4 for the first transmission, and when retransmitting 1, 2, 3, 4 must be distributed in the second, third, fourth, and fifth.
  • Six subframes then set the first sequence number of SA channels 5, 6, 7, 8 in the spare resources of the second frame, and retransmit the 5, 6, 7, 8 distributions in the third, fourth, fifth, and For the six subframes, in order to guarantee the frequency hopping and time diversity gain of the retransmission, the time interval of the retransmission and the first transmission is as large as possible.
  • the number of other time domain SA subframes is N, and the frequency domain channel is >N/2.
  • the design follows the design principles of Embodiment 1 and Embodiment 2.
  • the number of time domain SA subframes is N
  • the number of frequency domain resources is configured as N/2
  • the resource group [N/2, N/2] is retransmitted once.
  • FIG. 22 is a schematic diagram of resource elements in a time domain more than 2 subframes in a frequency domain according to a preferred embodiment 3 of the present invention. As shown in FIG. 22, the number of time domain subframes is 8, and the number of frequency domain SA channels is 4.
  • the N*N channels are transmitted as the matrix A for the first time in the first N/2 subframes, and may be the transposed AT of the first N*N channels when retransmitting.
  • 23 is a schematic diagram of a resource unit whose time domain is twice the frequency domain according to a preferred embodiment 3 of the present invention, as shown in FIG.
  • the number of frequency domain resources of the SA is configured according to the number of time domain subframes.
  • the number of time domain SA subframes is N
  • the number of frequency domain resources is N/2
  • the resource group is [N/2, N/2].
  • the number of time domain subframes is 8, and the number of SA channels is 16.
  • the retransmission resources can be hopped between different blocks. One is to improve the frequency domain diversity gain, and the other is to satisfy partial mutual listening between resource groups.
  • FIG. 24 is a schematic diagram of resource group frequency hopping according to a preferred embodiment 4 of the present invention. As shown in FIG. 24, the retransmission module uses a transposition module of a first resource group, which can hop between modules. Not FM.
  • Two of the time domain resource groups may be in one resource scheduling period or in two resource scheduling periods.
  • the number of frequency domain resources of the SA is configured according to the number of time domain subframes.
  • the number of time domain SA subframes is N
  • the number of frequency domain resources is configured as N-1
  • the resource group size is [N, N-1].
  • the number of time domain subframes is 5
  • the number of frequency domain SA channels is 4.
  • FIG. 25 is a schematic diagram of a mode of transmitting 4 times according to a preferred embodiment of the present invention, as shown in FIG. 25, wherein FIG. 25(a) is a schematic diagram 1 of a mode of transmitting 4 times according to a preferred embodiment of the present invention; FIG. 25(b) ) is based on this In the second preferred mode of the preferred embodiment of the invention, FIG. 25(a) has a better frequency diversity gain than FIG. 25(b).
  • FIG. 25(a) will be described below as an example.
  • the number of time domain SA subframes is N, the number of frequency domain resources is configured as (N-1)/2, retransmission 3 times, and the resource group [N, (N-1)/2].
  • the resource group consists of 4*5 SA channels.
  • the first 5 subframes are retransmitted once.
  • the resource group consisting of the last 5 subframes can use frequency hopping between blocks.
  • FIG. 24 is a schematic diagram of resource group frequency hopping according to a preferred embodiment 4 of the present invention. No frequency hopping, frequency hopping in order to improve the frequency domain diversity gain.
  • the first five frames may be located in the first SA period, and the last five frames are located in the second SA period, or the ten frames may be located in one SA period.
  • the information indicating the SA channel should include the frequency domain resource index M and the channel index composition, such as a bandwidth of 20M, each SA has a PRB component, and the 20M bandwidth may contain 100 PRB.
  • Each scheduling period is 5 SA subframes, and the frequency domain can be divided into 25 groups, the index is 25, the resource index can be indexed by 5 bits, and the frequency domain group is retransmitted once.
  • Each resource group contains 10 SA logics.
  • the resource UE is selected by the transmitting UE.
  • the resource group needs to be monitored before the resource group is selected, and the information of the resource group needs to be continued to be listened to.
  • the sequence number of the resource group to be listened to is selected, and the spare SA channel resource of the resource group is monitored, which may be power detection or decoding SA.
  • the spare SA channel of the resource group is obtained, and the number of vacant channels is compared.
  • the so-called vacant channel is an unoccupied channel. If the number of vacant channels is greater than a set threshold, the index of the spare SA resource is competitively selected.
  • FIG. 26 is a schematic diagram of transmitting four times of frequency hopping according to a preferred embodiment of the present invention.
  • the resource groups in the time domain can be in different scheduling.
  • the period, that is, the scheduling period of the SA includes 5 SA subframes, and the other 54 subframes are in the second scheduling period, and may also be in one SA scheduling period, that is, the SA scheduling period includes 10 SA subframes.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • a D2D communication processing method and apparatus As described above, in the embodiment of the present invention, a D2D communication processing method and apparatus, a D2D communication device, and a base station are provided.
  • the UEs cannot hear each other under the D2D half-duplex system, thereby achieving the effect of effective mutual listening between the UEs in the D2D half-duplex system.

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Abstract

本发明提供了一种D2D通信处理方法、装置、D2D通信设备及基站，其中，该方法包括：将用于D2D通信的SA和/或数据的资源划分为M个资源组，每个资源组包括由N个时域资源单元*K个频域资源单元构成的X个资源单元，每个资源单元在时域上包括O个符号，在频域上包括P个子载波，每个资源组中的X个资源单元用于配置T个逻辑信道，每个逻辑信道依据发送次数Num包括Num个资源单元，依据预定规则确定每个逻辑信道在资源组中的位置；依据确定的资源配置进行D2D通信处理，通过本发明，实现了D2D半双工系统下UE之间有效互听的效果。

Description

D2D通信处理方法、装置、D2D通信设备及基站 技术领域
本发明涉及通信领域，具体而言，涉及一种D2D通信处理方法、装置、D2D通信设备及基站。
背景技术
用户间近距离的数据共享、小范围的社交和商业活动以及面向本地特定用户的特定业务都在逐渐成为下一阶段无线平台中一个不可忽视的增长点。而对于此类具有明显本地特征的业务类型，一般情况下，其业务数据来源并没有必要经过核心网，而仅需要在用户之间完成。这种通信模式具有明显区别于传统蜂窝系统通信模式的特征，对于能够应用设备到设备(Device-to-Device，简称为D2D)通信方式的近距离通信用户来说，D2D传输不但节省了无线频谱资源，而且降低了核心网的数据传输压力，能够减少系统资源占用，增加蜂窝通信系统频谱效率，降低终端发射功耗，并在很大程度上节省网络运营成本。
根据D2D是否在传统网络的覆盖下，从发送层面将D2D UE资源分配分为两种工作模式：Mode1，由eNodeB或rel-10relay node调度资源用于D2D UE的发送；Mode2，D2D UE自己选择资源池的资源用于D2D UE的发送。
无论那种方式，在D2D通讯时，由于是UE之间的直接通讯，因此UE发送端需发送调度信息SA(Scheduling Assignment)用于指示发送的D2D数据的物理信道资源信息和控制信息。Mode 1和Mode 2的区别在于，Mode 1中由eNB为发送UE配置调度SA和数据(data)资源，而Mode 2中则由Tx UE在资源池中选择SA和数据资源。不论哪种场景都应先调度SA资源，由SA调度指示数据资源，而SA作为其数据指示的载体，相当于数据的控制信息，其可靠性要求非常高，而目前看来SA pattern设计在标准中正在刚刚开始，如mode2的冲突问题，系统的双工性约束其互听，因此，提高SA设计的可靠性非常重要，目前会议已提出支持重发机制以进一步提高SA的可靠性。
D2D资源池就是一组用于D2D UE的时频资源，可以是预配置或网络配置。D2D资源池包含SA资源池与数据(data)资源池，并且是时分复用(Time Division Multiplex，简称为TDM)配置，图1是相关技术中的资源指示以及SA域和数据域的关系示意图，如图1所示，SA由索引加频域偏置组成，通过SA中的T-PRT和频域指示数据的资源， 每个SA索引在资源单元包含一定时频资源，如频域是1～2PRB，时域是一个子帧。在mode1通过调度基站调度发送UE的SA和数据(data)的资源配置，并由eNodeB通知发送UE，由发送UE发送SA和data，接收UE通过读取SA获得data资源指示和控制信息，然后读取数据(data)信息；对于mode2发送UE随机选择或按某种方式选择SA资源和数据资源，并通过SA指示data的资源及控制信息，接收UE通过读取SA获得data资源指示和控制信息，然后读取data信息。但上述两种模式中，由于双工性均会约束UE之间的互听。
因此，在相关技术中，存在D2D半双工系统下UE之间无法互听的问题。
发明内容
本发明提供了一种D2D通信处理方法、装置、D2D通信设备及基站，以至少解决相关技术中，存在D2D半双工系统下UE之间无法互听的问题。
根据本发明的一个方面，提供了一种D2D通信处理方法，包括：确定用于设备到设备D2D通信的调度分配SA和/或数据的资源配置，其中，用于D2D通信的SA和/或数据的资源划分为M个资源组，每个资源组包括由N个时域资源单元*K个频域资源单元构成的X个资源单元，每个资源单元在时域上包括O个符号，在频域上包括P个子载波，每个资源组中的X个资源单元用于配置T个逻辑信道，每个逻辑信道依据发送次数Num包括Num个资源单元，依据预定规则确定每个逻辑信道在资源组中的位置，所述预定规则用于限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上，其中，M，N，K，X，O，P，T，Num均为整数；依据确定的所述资源配置进行D2D通信处理。
优选地，确定用于D2D通信的所述SA和/或数据的所述资源配置包括以下至少之一：接收基站发送的用于D2D通信的调度分配SA和/或数据的所述资源配置；对用于D2D通信的资源进行监听，依据监听结果确定用于D2D通信的调度分配SA和/或数据的所述资源配置。
优选地，确定用于D2D通信的调度分配SA和/或数据的所述资源配置包括：在所述预定规则为资源组中的时域资源单元数N大于频域资源单元数K；或者，资源组中的时域资源单元数N等于频域资源单元数K的情况下，配置首发时位于同一子帧的逻辑信道的物理资源在重发时至少有一次位于不同的子帧。
优选地，在资源组中的时域资源单元数N等于频域资源单元数K的情况下，配置首发时位于同一子帧的逻辑信道的物理资源在重发时至少有一次位于不同的子帧包 括：将资源组中的资源单元按时频资源单元数构造矩阵及相应的逻辑信道序号，配置首发时选择序号按照该矩阵序号所对应的物理资源发送，在重发时按照该序号在矩阵的转置矩阵所对应的物理资源发送。
优选地，所述资源组中的频域资源单元为连续分配，或者等间隔分配；所述资源组中的时域资源单元为连续分配，或者等间隔分配。
优选地，所述预定规则通过以下方式限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上：第一步，通过以下公式把数字1、2、3、……k*(m+1)/2，的数放入编号为(k,m)的单元格：
Figure PCTCN2014094560-appb-000001
其中，行编号为k。k>＝1且k<＝max(subn)-1，列编号m，m>＝1且m<＝max(subn)-1，并且约束k+m<＝max(subn)，i为自然数，max(subn)是在SA资源周期内的最大时域SA物理单元数，min(1,(i-1)为取1，(i-1)中的较小值；第二步，通过以下方式读取max(subn)个在(k,m)单元格中的数字：第一次，从k＝1和m＝1的单元格开始读出第一列，然后读出k＝1和第max(subn)-1列，按读出的数字顺序填入[1，m+1]的第一行，即k＝1；第二次，m自增1，从k＝1和m＝2的单元格开始读出第二列，然后读出k＝1和第max(subn)-m列；按读出的数字顺序填入[2，m+1]的第二行，即k＝2，……；按此方法继续读取k＝1和m＝RoundU(max(subn)-1)/2列，然后读出k＝1和，m＝RoundD(max(subn)-1)/2+1的列对应的数字，其中RoundD是向下取整；RoundU是向上取整，按读出的数字顺序填入[RoundU(max(subn)-1)/2，m+1]的第RoundU(max(subn)-1)/2行；然后按颠倒顺序第一次从k＝1和m＝RoundD(max(subn)-1)/2+1的单元格开始读出第一列，然后读出k＝1和m＝RoundU(max(subn)-1)/2列，按读出的数字顺序填入[RoundD(max(subn)-1)/2+1，m+1]行，……；然后按读取k＝1和m＝max(subn)-2的顺序读出第二列，然后读出k＝1和m＝2的单元格列，按读出的数字顺序填入[k，m+1]的倒数第二行；读取k＝1和m＝max(subn)-1的顺序读出列，然后读出k＝1和m＝1的单元格列，按读出的数字顺序填入[k，m+1]的d倒数第一行。
优选地，采用以下公式重复所述预定规则通过上述方式限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上：x(k,m)＝1+mod((4*(m-1)+k-1),5)，其中，mod为取模操作。
优选地，依据确定的所述资源配置进行D2D通信处理包括：依据确定的所述资源配置中所包括的对资源组的资源组指示以及对所述资源组对应的逻辑信道的逻辑信道指示进行资源选择；依据选择的资源进行D2D通信处理。
根据本发明的另一方面，提供了一种D2D通信处理方法，包括：确定用于设备到设备D2D通信的调度分配SA和/或数据的资源配置，其中，用于D2D通信的SA和/或数据的资源划分为M个资源组，每个资源组包括由N个时域资源单元*K个频域资源单元构成的X个资源单元，每个资源单元在时域上包括O个符号，在频域上包括P个子载波，每个资源组中的X个资源单元用于配置T个逻辑信道，每个逻辑信道依据发送次数Num包括Num个资源单元，依据预定规则确定每个逻辑信道在资源组中的位置，所述预定规则用于限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上，其中，M，N，K，X，O，P，T，Num均为整数；将确定的所述资源配置发送给D2D通信设备。
优选地，确定用于D2D通信的调度分配SA和/或数据的所述资源配置包括：在所述预定规则为资源组中的时域资源单元数N大于频域资源单元数K；或者，资源组中的时域资源单元数N等于频域资源单元数K的情况下，配置首发时位于同一子帧的逻辑信道的物理资源在重发时至少有一次位于不同的子帧。
优选地，在资源组中的时域资源单元数N等于频域资源单元数K的情况下，配置首发时位于同一子帧的逻辑信道的物理资源在重发时至少有一次位于不同的子帧包括：将资源组中的资源单元按时频资源单元数构造矩阵及相应的逻辑信道序号，配置首发时选择序号按照该矩阵序号所对应的物理资源发送，在重发时按照序号在该矩阵的转置矩阵所对应的物理资源发送。
优选地，所述预定规则通过以下方式限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上：第一步，通过以下公式把数字1、2、3、……k*(m+1)/2，的数放入编号为(k,m)的单元格：
Figure PCTCN2014094560-appb-000002
其中，行编号为k。k>＝1且k<＝max(subn)-1，列编号m，m>＝1且m<＝max(subn)-1，并且约束k+m<＝max(subn)，i为自然数，max(subn)是在SA资源周期内的最大时域SA物理单元数，min(1,(i-1)为取1，(i-1)中的较小值；第二步，通过以下方式读取max(subn)个在(k,m)单元格中的数字：第一次，从k＝1和m＝1的单元格开始读出第一列，然后读出k＝1和第max(subn)-1 列，按读出的数字顺序填入[1，m+1]的第一行，即k＝1；第二次，m自增1，从k＝1和m＝2的单元格开始读出第二列，然后读出k＝1和第max(subn)-m列；按读出的数字顺序填入[2，m+1]的第二行，即k＝2，……；按此方法继续读取k＝1和m＝RoundU(max(subn)-1)/2列，然后读出k＝1和，m＝RoundD(max(subn)-1)/2+1的列对应的数字，其中RoundD是向下取整；RoundU是向上取整，按读出的数字顺序填入[RoundU(max(subn)-1)/2，m+1]的第RoundU(max(subn)-1)/2行；然后按颠倒顺序第一次从k＝1和m＝RoundD(max(subn)-1)/2+1的单元格开始读出第一列，然后读出k＝1和m＝RoundU(max(subn)-1)/2列，按读出的数字顺序填入[RoundD(max(subn)-1)/2+1，m+1]行，……；然后按读取k＝1和m＝max(subn)-2的顺序读出第二列，然后读出k＝1和m＝2的单元格列，按读出的数字顺序填入[k，m+1]的倒数第二行；读取k＝1和m＝max(subn)-1的顺序读出列，然后读出k＝1和m＝1的单元格列，按读出的数字顺序填入[k，m+1]的d倒数第一行。
优选地，采用以下公式重复所述预定规则通过上述方式限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上：x(k,m)＝1+mod((4*(m-1)+k-1),5)，其中，mod为取模操作。
优选地，将确定的所述资源配置发送给所述D2D通信设备包括：对确定的所述资源配置中所包括的资源组和所述资源组对应的逻辑信道进行指示；将包括有对所述资源配置中所包括的对资源组进行指示的资源组指示以及对所述资源组对应的逻辑信道进行指示的逻辑信道指示的所述资源配置发送给所述D2D通信设备。
根据本发明的还一方面，提供了一种D2D通信处理装置，包括：第一确定模块，设置为确定用于设备到设备D2D通信的调度分配SA和/或数据的资源配置，其中，用于D2D通信的SA和/或数据的资源划分为M个资源组，每个资源组包括由N个时域资源单元*K个频域资源单元构成的X个资源单元，每个资源单元在时域上包括O个符号，在频域上包括P个子载波，每个资源组中的X个资源单元用于配置T个逻辑信道，每个逻辑信道依据发送次数Num包括Num个资源单元，依据预定规则确定每个逻辑信道在资源组中的位置，所述预定规则用于限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上，其中，M，N，K，X，O，P，T，Num均为整数；处理模块，设置为依据确定的所述资源配置进行D2D通信处理。
优选地，所述第一确定模块包括以下至少之一：接收单元，用于接收基站发送的设置为D2D通信的调度分配SA和/或数据的所述资源配置；确定单元，设置为对用于D2D通信的资源进行监听，依据监听结果确定用于D2D通信的调度分配SA和/或数据的所述资源配置。
优选地，所述第一确定模块包括：第一配置单元，设置为在所述预定规则为资源组中的时域资源单元数N大于频域资源单元数K；或者，资源组中的时域资源单元数N等于频域资源单元数K的情况下，配置首发时位于同一子帧的逻辑信道的物理资源在重发时至少有一次位于不同的子帧。
优选地，所述第一配置单元包括：第一配置子单元，设置为将资源组中的资源单元按时频资源单元数构造矩阵及相应的逻辑信道序号，配置首发时选择序号按照该矩阵序号所对应的物理资源发送，在重发时按照该序号在矩阵的转置矩阵所对应的物理资源发送。
优选地，所述处理模块包括：选择单元，设置为依据确定的所述资源配置中所包括的对资源组的资源组指示以及对所述资源组对应的逻辑信道的逻辑信道指示进行资源选择；处理单元，设置为依据选择的资源进行D2D通信处理。
根据本发明的还一方面，提供了一种D2D通信设备，包括上述任一项所述的装置。
根据本发明的还一方面，提供了一种D2D通信处理装置，包括：第二确定模块，设置为确定用于设备到设备D2D通信的调度分配SA和/或数据的资源配置，其中，用于D2D通信的SA和/或数据的资源划分为M个资源组，每个资源组包括由N个时域资源单元*K个频域资源单元构成的X个资源单元，每个资源单元在时域上包括O个符号，在频域上包括P个子载波，每个资源组中的X个资源单元用于配置T个逻辑信道，每个逻辑信道依据发送次数Num包括Num个资源单元，依据预定规则确定每个逻辑信道在资源组中的位置，所述预定规则用于限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上，其中，M，N，K，X，O，P，T，Num均为整数；发送模块，设置为将确定的所述资源配置发送给D2D通信设备。
优选地，所述第二确定模块包括：第二配置单元，设置为在所述预定规则为资源组中的时域资源单元数N大于频域资源单元数K；或者，资源组中的时域资源单元数N等于频域资源单元数K的情况下，配置首发时位于同一子帧的逻辑信道的物理资源在重发时至少有一次位于不同的子帧。
优选地，所述第二配置单元包括：第二配置子单元，设置为将资源组中的资源单元按时频资源单元数构造矩阵及相应的逻辑信道序号，配置首发时选择逻辑序号按照该矩阵序号所对应的物理资源发送，在重发时按照该序号在矩阵的转置矩阵所对应的物理资源发送。
优选地，所述发送模块包括：指示单元，设置为对确定的所述资源配置中所包括的资源组和所述资源组对应的逻辑信道进行指示；发送单元，设置为将包括有对所述资源配置中所包括的对资源组进行指示的资源组指示以及对所述资源组对应的逻辑信道进行指示的逻辑信道指示的所述资源配置发送给所述D2D通信设备。
根据本发明的还一方面，提供了一种基站，包括上述任一项所述的装置。
通过本发明，采用确定用于设备到设备D2D通信的调度分配SA和/或数据的资源配置，其中，用于D2D通信的SA和/或数据的资源划分为M个资源组，每个资源组包括由N个时域资源单元*K个频域资源单元构成的X个资源单元，每个资源单元在时域上包括O个符号，在频域上包括P个子载波，每个资源组中的X个资源单元用于配置T个逻辑信道，每个逻辑信道依据发送次数Num包括Num个资源单元，依据预定规则确定每个逻辑信道在资源组中的位置，所述预定规则用于限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上，其中，M，N，K，X，O，P，T，Num均为整数；依据确定的所述资源配置进行D2D通信处理，解决了相关技术中，存在D2D半双工系统下UE之间无法互听的问题，进而达到了实现D2D半双工系统下UE之间有效互听的效果。
附图说明
此处所说明的附图用来提供对本发明的进一步理解，构成本申请的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1是相关技术中的资源指示以及SA域和数据域的关系示意图；
图2是根据本发明实施例的D2D通信处理方法一的流程图；
图3是根据本发明实施例的D2D通信处理方法二的流程图；
图4是根据本发明实施例的D2D通信处理装置一的结构框图；
图5是根据本发明实施例的D2D通信处理装置一中第一确定模块42的优选结构框图一；
图6是根据本发明实施例的D2D通信处理装置一中第一确定模块42的优选结构框图二；
图7是根据本发明实施例的D2D通信处理装置一中第一确定模块42中第一配置单元62的优选结构框图；
图8是根据本发明实施例的D2D通信处理装置一中处理模块44的优选结构框图；
图9是根据本发明实施例的D2D通信设备的结构框图；
图10是根据本发明实施例的D2D通信处理装置二的结构框图；
图11是根据本发明实施例的D2D通信处理装置二中第二确定模块102的优选结构框图；
图12是根据本发明实施例的D2D通信处理装置二中第二确定模块102中第二配置单元112的优选结构框图；
图13是根据本发明实施例的D2D通信处理装置二中发送模块104的优选结构框图；
图14是根据本发明实施例的基站的结构框图；
图15是根据本发明优选实施例1的SA模式(pattern)一的形式示意图；
图16是根据本发明优选实施例1的SA模式(pattern)二的形式示意图；
图17是根据本发明优选实施例1的SA模式(pattern)一的形式示意图；
图18是根据本发明优选实施例1的SA模式(pattern)二的形式示意图；
图19是根据本发明优选实施例1的SA模式(pattern)一的形式示意图；
图20是根据本发明优选实施例1的SA模式(pattern)二的形式示意图；
图21是根据本发明优选实施例1中获取图18中的SA模式的第二步中第一次以及第二次读取对应数字的示意图；
图22是根据本发明优选实施例3的时域多于频域2个子帧的资源单元示意图；
图23是根据本发明优选实施例3的时域是频域2倍的资源单元示意图；
图24是根据本发明优选实施例4的资源组跳频的示意图；
图25(a)是根据本发明优选实施例的发送4次的模式示意图一；
图25(b)是根据本发明优选实施例的发送4次的模式示意图二；
图26是根据本发明优选实施例的发送4次1次跳频的示意图。
具体实施方式
下文中将参考附图并结合实施例来详细说明本发明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
在本实施例中提供了一种D2D通信处理方法，图2是根据本发明实施例的D2D通信处理方法一的流程图，如图2所示，该流程包括如下步骤：
步骤S202，确定用于设备到设备D2D通信的调度分配SA和/或数据的资源配置，其中，用于D2D通信的SA和/或数据的资源划分为M个资源组，每个资源组包括由N个时域资源单元*K个频域资源单元构成的X个资源单元，每个资源单元在时域上包括O个符号，在频域上包括P个子载波，每个资源组中的X个资源单元用于配置T个逻辑信道，每个逻辑信道依据发送次数Num包括Num个资源单元，依据预定规则确定每个逻辑信道在资源组中的位置，预定规则用于限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上，其中，M，N，K，X，O，P，T，Num均为整数；
步骤S204，依据确定的资源配置进行D2D通信处理，例如，可以依据确定的资源配置进行资源选择，即确定所在资源组和资源组的逻辑信道，并在选择的逻辑信道上进行D2D通信处理。
通过上述步骤，通过上述对D2D通信的调度分配SA和/或数据的资源配置，解决了相关技术中，存在D2D半双工系统下UE之间无法互听的问题，进而达到了实现D2D半双工系统下UE之间有效互听的效果。
确定用于D2D通信的SA和/或数据的资源配置时，依据是否存在基站的覆盖可以采用多种方式，例如，在存在基站覆盖的情况下，可以直接接收基站发送的用于D2D 通信的调度分配SA和/或数据的资源配置即资源组和逻辑信道，确立SA和/数据的物理资源；又例如，在没有基站覆盖的情况下，可以对用于D2D通信的资源进行监听，依据监听结果确定用于D2D通信的调度分配SA和/或数据的资源配置即资源组和逻辑信道，确立SA和/数据的物理资源，通过监听获得想加入的资源组信息和所在资源组中逻辑信道的占用情况。即对于不同模式mode的用户，根据资源划分方法，对于上述mode1用户，由基站根据资源配置通过资源组和物理资源序号配置D2D用户的资源，对于上述mode2用户，由用户根据选择监听的用户组和该用户组的空闲情况，选择资源组和物理资源序号。
优选地，确定用于D2D通信的调度分配SA和/或数据的资源配置时，依据具体情况不同，可以采用不同的处理方式，例如，在预定规则为资源组中的时域资源单元数N大于频域资源单元数K；或者，资源组中的时域资源单元数N等于频域资源单元数K的情况下，配置首发时位于同一子帧的逻辑信道的物理资源在重发时至少有一次位于不同的子帧。而在资源组中的时域资源单元数N等于频域资源单元数K的情况下，配置首发时位于同一子帧的逻辑信道的物理资源在重发时至少有一次位于不同的子帧可以采用以下处理方式：将资源组中的资源单元按时频资源单元数构造矩阵及相应的逻辑信道序号，配置首发时选择序号按照该矩阵序号所对应的物理资源发送，在重发时按照该序号在矩阵的转置矩阵所对应的物理资源发送。
需要说明的是，上述资源组中的频域资源单元为连续分配，或者等间隔分配；资源组中的时域资源单元为连续分配，或者等间隔分配。
在依据预定规则确定每个逻辑信道在资源组中的位置时，其中的预定规则可以通过多种方式确定，例如，该预定规则通过以下方式限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上：第一步，通过以下公式把数字1、2、3、……k*(m+1)/2，的数放入编号为(k,m)的单元格：
Figure PCTCN2014094560-appb-000003
其中，行编号为k。k>＝1且k<＝max(subn)-1，列编号m，m>＝1且m<＝max(subn)-1，并且约束k+m<＝max(subn)，i为自然数，max(subn)是在SA资源周期内的最大时域SA物理单元数，min(1,(i-1)为取1，(i-1)中的较小值；第二步，通过以下方式读取max(subn)个在(k,m)单元格中的数字：第一次，从k＝1和m＝1的单元格开始读出第一列，然后读出k＝1和第max(subn)-1列，按读出的数字顺序填入[1，m+1]的第一行，即k＝1；第二次，m自增1，从k＝1和m＝2的单元格开始读出第二列，然后读出k＝1和第 max(subn)-m列；按读出的数字顺序填入[2，m+1]的第二行，即k＝2，……；按此方法继续读取k＝1和m＝RoundU(max(subn)-1)/2列，然后读出k＝1和，m＝RoundD(max(subn)-1)/2+1的列对应的数字，其中RoundD是向下取整；RoundU是向上取整，按读出的数字顺序填入[RoundU(max(subn)-1)/2，m+1]的第RoundU(max(subn)-1)/2行；然后按颠倒顺序第一次从k＝1和m＝RoundD(max(subn)-1)/2+1的单元格开始读出第一列，然后读出k＝1和m＝RoundU(max(subn)-1)/2列，按读出的数字顺序填入[RoundD(max(subn)-1)/2+1，m+1]行，……；然后按读取k＝1和m＝max(subn)-2的顺序读出第二列，然后读出k＝1和m＝2的单元格列，按读出的数字顺序填入[k，m+1]的倒数第二行；读取k＝1和m＝max(subn)-1的顺序读出列，然后读出k＝1和m＝1的单元格列，按读出的数字顺序填入[k，m+1]的d倒数第一行。
另外，如果SA子帧多于SA模式，则可能存在重复，即可以采用以下公式重复预定规则通过上述方式限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上：x(k,m)＝1+mod((4*(m-1)+k-1),5)，其中，mod为取模操作。
优选地，在依据确定的资源配置进行D2D通信处理时，也可以采用以下较优地处理方式，依据确定的资源配置中所包括的对资源组的资源组指示以及对资源组对应的逻辑信道的逻辑信道指示进行资源选择，依据选择的资源进行D2D通信处理，通过上述处理即实现了依据确定的资源配置进行D2D通信处理。
图3是根据本发明实施例的D2D通信处理方法二的流程图，如图3所示，该流程包括如下步骤：
步骤S302，确定用于设备到设备D2D通信的调度分配SA和/或数据的资源配置，其中，用于D2D通信的SA和/或数据的资源划分为M个资源组，每个资源组包括由N个时域资源单元*K个频域资源单元构成的X个资源单元，每个资源单元在时域上包括O个符号，在频域上包括P个子载波，每个资源组中的X个资源单元用于配置T个逻辑信道，每个逻辑信道依据发送次数Num包括Num个资源单元，依据预定规则确定每个逻辑信道在资源组中的位置，预定规则用于限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上，其中，M，N，K，X，O，P，T，Num均为整数；
步骤S304，将确定的资源配置发送给D2D通信设备。
通过上述步骤，通过上述对D2D通信的调度分配SA和/或数据的资源配置，解决了相关技术中，存在D2D半双工系统下UE之间无法互听的问题，进而达到了实现D2D半双工系统下UE之间有效互听的效果。
对应于基站侧，在确定用于D2D通信的调度分配SA和/或数据的资源配置时，可以采用以下处理：在预定规则为资源组中的时域资源单元数N大于频域资源单元数K；或者，资源组中的时域资源单元数N等于频域资源单元数K的情况下，配置首发时位于同一子帧的逻辑信道的物理资源在重发时至少有一次位于不同的子帧。
同样，在资源组中的时域资源单元数N等于频域资源单元数K的情况下，配置首发时位于同一子帧的逻辑信道在的物理资源重发时至少有一次位于不同的子帧包括：将资源组中的资源单元按时频资源单元数构造矩阵及相应的逻辑信道序号，配置首发时选择序号按照该矩阵序号所对应的物理资源发送，在重发时按照该序号在矩阵的转置矩阵所对应的物理资源发送。
对应地，在基站侧也同样可以采用上述相同的方式来实现预定规则的限定操作，即预定规则也可以通过以下方式限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上：第一步，通过以下公式把数字1、2、3、……k*(m+1)/2，的数放入编号为(k,m)的单元格：
Figure PCTCN2014094560-appb-000004
其中，行编号为k。k>＝1且k<＝max(subn)-1，列编号m，m>＝1且m<＝max(subn)-1，并且约束k+m<＝max(subn)，i为自然数，max(subn)是在SA资源周期内的最大时域SA物理单元数，min(1,(i-1)为取1，(i-1)中的较小值；第二步，通过以下方式读取max(subn)个在(k,m)单元格中的数字：第一次，从k＝1和m＝1的单元格开始读出第一列，然后读出k＝1和第max(subn)-1列，按读出的数字顺序填入[1，m+1]的第一行，即k＝1；第二次，m自增1，从k＝1和m＝2的单元格开始读出第二列，然后读出k＝1和第max(subn)-m列；按读出的数字顺序填入[2，m+1]的第二行，即k＝2，……；按此方法继续读取k＝1和m＝RoundU(max(subn)-1)/2列，然后读出k＝1和，m＝RoundD(max(subn)-1)/2+1的列对应的数字，其中RoundD是向下取整；RoundU是向上取整，按读出的数字顺序填入[RoundU(max(subn)-1)/2，m+1]的第RoundU(max(subn)-1)/2行；然后按颠倒顺序第一次从k＝1和m＝RoundD(max(subn)-1)/2+1的单元格开始读出第一列，然后读出k＝1和m＝RoundU(max(subn)-1)/2列，按读出的数字顺序填入[RoundD(max(subn)-1)/2+1，m+1] 行，……；然后按读取k＝1和m＝max(subn)-2的顺序读出第二列，然后读出k＝1和m＝2的单元格列，按读出的数字顺序填入[k，m+1]的倒数第二行；读取k＝1和m＝max(subn)-1的顺序读出列，然后读出k＝1和m＝1的单元格列，按读出的数字顺序填入[k，m+1]的d倒数第一行。
同样，也可以采用以下公式重复预定规则通过上述方式限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上：x(k,m)＝1+mod((4*(m-1)+k-1),5)，其中，mod为取模操作。
对应于基站侧，将确定的资源配置发送给D2D通信设备包括时，可以先对确定的资源配置中所包括的资源组和资源组对应的逻辑信道进行指示，之后，由基站将包括有对资源配置中所包括的对资源组进行指示的资源组指示以及对资源组对应的逻辑信道进行指示的逻辑信道指示的资源配置发送给D2D通信设备。通过上述处理，快速高效地指示D2D通信设备选择资源进行D2D通信处理。
在本实施例中还提供了一种D2D通信处理装置，该装置用于实现上述实施例及优选实施方式，已经进行过说明的不再赘述。如以下所使用的，术语“模块”可以实现预定功能的软件和/或硬件的组合。尽管以下实施例所描述的装置较佳地以软件来实现，但是硬件，或者软件和硬件的组合的实现也是可能并被构想的。
图4是根据本发明实施例的D2D通信处理装置一的结构框图，如图4所示，该装置包括第一确定模块42和处理模块44，下面对该装置进行说明。
第一确定模块42，设置为确定用于设备到设备D2D通信的调度分配SA和/或数据的资源配置，其中，用于D2D通信的SA和/或数据的资源划分为M个资源组，每个资源组包括由N个时域资源单元*K个频域资源单元构成的X个资源单元，每个资源单元在时域上包括O个符号，在频域上包括P个子载波，每个资源组中的X个资源单元用于配置T个逻辑信道，每个逻辑信道依据发送次数Num包括Num个资源单元，依据预定规则确定每个逻辑信道在资源组中的位置，预定规则用于限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上，其中，M，N，K，X，O，P，T，Num均为整数；处理模块44，连接至上述第一确定模块42，设置为依据确定的资源配置进行D2D通信处理。
图5是根据本发明实施例的D2D通信处理装置一中第一确定模块42的优选结构框图一，如图5所示，该第一确定模块42包括以下至少之一：接收单元52、确定单元54，下面对该第一确定模块42进行说明。
接收单元52，设置为接收基站发送的用于D2D通信的调度分配SA和/或数据的资源配置；确定单元54，设置为对用于D2D通信的资源进行监听，依据监听结果确定用于D2D通信的调度分配SA和/或数据的资源配置。
图6是根据本发明实施例的D2D通信处理装置一中第一确定模块42的优选结构框图二，如图6所示，该第一确定模块42包括第一配置单元62，下面对该第一确定模块42进行说明。
第一配置单元62，设置为在预定规则为资源组中的时域资源单元数N大于频域资源单元数K；或者，资源组中的时域资源单元数N等于频域资源单元数K的情况下，配置首发时位于同一子帧的逻辑信道的物理资源在重发时至少有一次位于不同的子帧。
图7是根据本发明实施例的D2D通信处理装置一中第一确定模块42中第一配置单元62的优选结构框图，如图7所示，该第一配置单元62包括：第一配置子单元72，下面对该第一配置子单元72进行说明。
第一配置子单元72，设置为将资源组中的资源单元按时频资源单元数构造矩阵及相应的逻辑信道序号，配置首发时选择序号按照该矩阵序号所对应的物理资源发送，在重发时按照该序号在矩阵的转置矩阵所对应的物理资源发送。
图8是根据本发明实施例的D2D通信处理装置一中处理模块44的优选结构框图，如图8所示，该处理模块44包括：选择单元82和处理单元84，下面对该处理模块44进行说明。
选择单元82，设置为依据确定的资源配置中所包括的对资源组的资源组指示以及对资源组对应的逻辑信道的逻辑信道指示进行资源选择；处理单元84，连接至上述选择单元82，设置为依据选择的资源进行D2D通信处理。
图9是根据本发明实施例的D2D通信设备的结构框图，如图9所示，该D2D通信设备90包括上述任一项的D2D通信处理装置一92。
图10是根据本发明实施例的D2D通信处理装置二的结构框图，如图10所示，该装置包括：第二确定模块102和发送模块104，下面对该装置进行说明。
第二确定模块102，设置为确定用于设备到设备D2D通信的调度分配SA和/或数据的资源配置，其中，用于D2D通信的SA和/或数据的资源划分为M个资源组，每个资源组包括由N个时域资源单元*K个频域资源单元构成的X个资源单元，每个资源单元在时域上包括O个符号，在频域上包括P个子载波，每个资源组中的X个资源单元用于配置T个逻辑信道，每个逻辑信道依据发送次数Num包括Num个资源单元，依据预定规则确定每个逻辑信道在资源组中的位置，预定规则用于限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上，其中，M，N，K，X，O，P，T，Num均为整数；
发送模块104，连接至上述第二确定模块102，设置为将确定的资源配置发送给D2D通信设备。
图11是根据本发明实施例的D2D通信处理装置二中第二确定模块102的优选结构框图，如图11所示，该第二确定模块102包括第二配置单元112，下面对该第二配置单元112进行说明。
第二配置单元112，设置为在预定规则为资源组中的时域资源单元数N大于频域资源单元数K；或者，资源组中的时域资源单元数N等于频域资源单元数K的情况下，配置首发时位于同一子帧的逻辑信道的物理资源在重发时至少有一次位于不同的子帧。
图12是根据本发明实施例的D2D通信处理装置二中第二确定模块102中第二配置单元112的优选结构框图，如图12所示，该第二配置单元112包括：第二配置子单元122，下面对该第二配置子单元122进行说明。
第二配置子单元122，设置为将资源组中的资源单元按时频资源单元数构造矩阵及相应的逻辑信道序号，配置首发时选择序号按照该矩阵序号所对应的物理资源发送，在重发时按照该序号在矩阵的转置矩阵所对应的物理资源发送。
图13是根据本发明实施例的D2D通信处理装置二中发送模块104的优选结构框图，如图13所示，该发送模块104包括：指示单元132和发送单元134，下面对该发送模块104进行说明。
指示单元132，设置为对确定的资源配置中所包括的资源组和资源组对应的逻辑信道进行指示；发送单元134，连接至上述指示单元132，设置为将包括有对资源配置中所包括的对资源组进行指示的资源组指示以及对资源组对应的逻辑信道进行指示的逻辑信道指示的资源配置发送给D2D通信设备。
图14是根据本发明实施例的基站的结构框图，如图14所示，该基站140包括上述任一项的D2D通信处理装置二142。
对于D2D分为在传统基站覆盖下和无覆盖两种模式，在覆盖下由基站配置D2D用于调度的D2D资源和数据通讯资源；在无覆盖场景通过预配置D2D用于调度的D2D资源和数据通讯资源，由于D2D系统是半双工工作，如同一时刻的两个用户同时发起业务，则无法互相接收，特别是对于同一用户组，如火灾，医疗，救灾等场景的用户群组，无法互听导致接收信息丢失，同时对于广播通讯由于用户在不同位置且无反馈，因此，提高链路可靠性满足链路目标也非常重要。
因此，针对相关技术中，D2D在通讯场景由于半双工问题不能互听的问题，在本实施例中，提供了一种资源分配方法，该方法可以有效解决D2D通讯时由于半双工问题无法互听问题，同时为满足链路目标通过重发提高链路可靠性。需要说明的是，在覆盖内eNodeB可以通过索引指示加频域块序号指示SA的资源，无覆盖场景可以通过竞争选择SA资源。该方法包括如下处理：
1)将配置的资源池划分为M个资源组，每个资源组由若干个的资源单元(resource unit)组成，每个资源单元在时域上包含一个子帧(或一个子帧的部分符号，或多个子帧)，在频域上包括一个RB(或两个RB，或多个RB)。每个资源组包括N(时域上N个资源单元)*K(频域上K个资源单元)，每个资源组中的N*K个资源单元配置T个逻辑信道，每个逻辑信道根据发送次数Num，包含Num个资源单元，按一定规则设置每个逻辑信道index i包含Num资源单元在资源组中的位置，保证互听，即资源组所含逻辑信道index i至少有一个资源单元i与其他逻辑信道index(除i之外的T-1个逻辑单元)不在同一时域信道上。
2)其中设计规则包括其资源组时域资源单元数N大于频域资源单元数K，且首发时位于同一子帧index在重发时位于不同的子帧。
实例1：时域资源单元数是N＝5，频域资源单元是K＝4，每个资源组有20个资源单元，T＝10个逻辑信道，每个逻辑信道发送Num＝2次，首次发送时有4个信道是在第一个时域单元N＝1发送，设置为index(1)，index(2)，index(3)，index(4)，重发时这四个信道将分别位于其后4个时域单元N＝2，3，4，5的任意频域位置，第二个子帧新传占用除第一个子帧信道重发外的物理单元，设置为index(5)，index＝(6)，index＝(7)。重发时这三个信道将分别位于其后3个时域单元除第一个N＝1时index(1，2，3，4)及其重发占用的信道外任意频域位置，以此类推，得到资源组的物理资源index分布。
3)其设计规则包括其资源组时域资源单元数等于频域资源单元数N＝K。
实例3首次将资源组资源单元按时频序号index组成矩阵A[N，K]，其重发时发送A的转置矩阵AT。
4)其中资源组的可以是频域物理单元的连续分配，也可以是等间隔分配。
5)其中多个资源组可以在一个调度周期内，也可在多个调度周期，其时域资源单元可以是连续子帧也可以是不连续子帧。
6)其中T个逻辑信道的指示方法。对于覆盖内由基站配置资源组M，逻辑信道index i，对于覆盖外，由用户发送终端选择资源组M和逻辑信道index i。
7)对于所分配的(频带带宽所配置的RB数)除于(频域上K资源单元*每个资源所含的RB数)整数为资源组数目M，当余数R＝0时，所有频域资源完全分配，当余数R不为0，R<M，剩余的资源单元如余数是1即R＝1则可被一个用户占用，余数R分配给R个用户，或作为其它信道使用。
对应于上述资源配置方案，在本实施例中，还提供了一种D2D资源配置装置，该装置包括：
对于mode1，其装置包括eNodeB，和待发送D2D消息的移动终端。其中eNodeB包括资源调度模块，消息发送装置，D2D移动终端包括资源请求单元，消息接收单元，及发送模块。
对于mode2，其装置包括待发送D2D消息的移动终端，其中包括侦听模块，资源选择模块，发送模块。
通过上述实施例及优选实施方式所列举的设备到设备SA(scheduling assignment)pattern设计方案，有效地解决了广播通讯时，特别是D2D广播通讯，控制信道的设计或者SA指示尤为重要，由于半双工模式导致彼此不能接收信息，可能存在遗漏信息的问题。通过在控制信道或SA设计pattern，解决组内彼此不能接收问题，同时通过重发的pattern提高频率和时域分集增益。另外，还可以在D2D在标准会议中推进D2DSA设计思想，填补设计空白。
下面对本发明优选实施例的D2D调度分配SA或控制消息的传输方案进行举例说明。
在OFDMA/SC-FDMA系统中，用于通信的无线资源(Radio Resource)是时-频两维的形式。例如，对于LTE/LTE-A系统来说，上行和下行链路的通信资源在时间方向上都是以无线帧(radio frame)为单位划分，每个无线帧(radio frame)长度为10ms，包含10个长度为1ms的子帧(sub-frame)，每个子帧包括长度为0.5ms的两个时隙(slot)，如图1所示。而根据循环前缀(Cyclic Prefix，CP)的配置不同，每个时隙可以包括6个或7个OFDM或SC-FDM符号。
在频率方向，资源以子载波(subcarrier)为单位划分，在通信中，频域资源分配的最小单位是资源块(Resource Block，简称为RB)，对应物理资源的一个物理资源块(Physical RB，简称为PRB)。一个PRB在频域包含12个子载波(sub-carrier)，对应于时域的一个时隙(slot)。每个OFDM/SC-FDM符号上对应一个子载波的资源称为资源单元(Resource Element，简称为RE)。所谓资源指示就是在时域子帧和频域PRB的结合指示的确定无线资源。
将配置给D2D的资源进一步分划分为SA域或控制域和数据业务区域，在一个调度周期内，包含SA域和数据域，SA域可以是连续子帧也可以是不连续子帧，如后面实施例对应的图24，由于调度和解调控制信息对每个用户大小基本一致，因此将SA域划分为基本物理单元或叫SA信道，如频域一到二个PRB对，时域一个子帧或者一个子帧的部分符号，其余符号用于同步信道或其它信道，或者打掉用于收发转换的保护GAP，即基本物理单元在频域频分复用(FDM)，由低频到高频基本物理单元按序号可分为0～P个SA信道，SA信道在时间上，占用部分子帧或一个子帧或多个子帧，为了描述简单实施例都以一个子帧为例，在一个调度周期，频域上包括0～P个SA信道，时域上包括1～N子帧即1～N个时域SA信道，一个或多个SA或控制信道的时域和频域资源组成SA域，将0～P频域可以进一步划分为M个频域资源索引块，SA域中的每个SA信道可以重发，SA的发送次数可以是1，2，4，8，可以是系统配置或由系统消息获得，即根据每个SA域的大小，N包含一个或多个时域SA信道，M包含一个或多个频域SA信道，P/M*N组成一个资源索引块。这里所涉及的创新性主要基于资源组的设计，所列实施例以SA信道占用一个子帧，即子帧数为SA时域信道数目，频域一个到二个PRB对为一个SA信道为例进行说明，SA所列子帧数目可以是一个调度周期内，也可以是多个调度周期。
下面结合列举参数对本发明优选实施例进行说明。
优选实施例1：
每个SA周期内，根据时域SA信道数配置SA的频域信道数目。
时域SA子帧数为N，频域信道数配置为N-1，重发1次，资源组【N，N-1】。
如时域子帧数是5，则频域SA信道数目为4。
对于第一次发送的SA信道，重发所在的子帧不与首发的子帧信道在同一子帧。
如频域信道数目是4，第一帧SA信道标示为1，2，3，4为第一次发送，重发时1，2，3，4必须分布在第二，三，四，五子帧，然后在第二帧的空余资源设置SA信道5，6，7的首发序号，重发的5，6，7分布在其后的第三，第四，第五子帧，为了保证重发的跳频和时间分集增益，重发和第一次发送的时频间隔尽量大。
需要说明的是，在本优选实施例1中可以包括多种SA模式，下面以示意图的形式表述。
图15是根据本发明优选实施例1的SA模式(pattern)一的形式示意图，如图15所示；
图16是根据本发明优选实施例1的SA模式(pattern)二的形式示意图，如图16所示；
图17是根据本发明优选实施例1的SA模式(pattern)一的形式示意图，如图17所示；
图18是根据本发明优选实施例1的SA模式(pattern)二的形式示意图，如图18所示；
图19是根据本发明优选实施例1的SA模式(pattern)一的形式示意图，如图19所示；
图20是根据本发明优选实施例1的SA模式(pattern)二的形式示意图，如图20所示；
以图18为例对本优选实施例1进行说明。
图18所示的SA模式可以采用以下方式获得：
假设行的编号为k，k>＝1且k<＝4，列的编号为m，m>＝1且m<＝4，对应于上述公式
Figure PCTCN2014094560-appb-000005
此时，max(subn)为5，即 公式变为
Figure PCTCN2014094560-appb-000006
第一步，把数字1、2、3、。。。。。。、9、10放入编号为(k，m)的单元格。方法是在(k，m)的单元格放入
Figure PCTCN2014094560-appb-000007
这一数值。min()表示取2者的较小者。
第二步，读出5个在(k，m)单元格的数字。方法是：第一次，从具有最小k和最小m的单元格开始读出第一列，然后读出第5-m列；第2次，m自增1(即，m取2了)，从具有最小k和最小m的单元格开始读出第一列，然后读出第5-m列(即，第3列)。另外2行是倒过来读出(先读第5-m列，再第m列)。其中，图21是根据本发明优选实施例1中获取图18中的SA模式的第二步中第一次以及第二次读取对应数字的示意图，如图21所示，第一次读取的是实线对应的数字，第二次读取的是虚线对应的数字。第三步，将上述读出的数写入新的表格中(一个4行，5列的表)。将上述第二步读出的数按顺序写入新的表格中。假设行的编号为p，p>＝1且p<＝4，列的编号为n，n>＝1且n<＝5，则，将第p次读出的第n个数写入单元格(p，n)中。
优选实施例2：
每个SA周期内，根据时域子帧数配置SA的频域资源数目。
时域SA子帧数为N，频域信道配置为N-2，资源组为【N，N-2】，重发1次。
如时域子帧数是6，则频域SA信道数目为4。
对于第一次发送的SA信道，重发所在的子帧不与首发的子帧信道在同一子帧。
如频域信道数目是4，第一帧SA信道标示为1，2，3，4为第一次发送，重发时1，2，3，4必须分布在第二，三，四，五、六子帧，然后在第二帧的空余资源设置SA信道5，6，7，8的首发序号，重发的5，6，7，8分布在其后的第三，第四，第五，第六子帧，为了保证重发的跳频和时间分集增益，重发和第一次发送的时频间隔尽量大。
其它时域SA子帧数为N，频域信道>N/2，设计遵循实施例1和实施例2的设计原则。
优选实施例3
每个SA周期内，根据时域子帧数配置SA的频域资源数目
时域SA子帧数为N，频域资源数配置为N/2，资源组【N/2，N/2】，重发1次
图22是根据本发明优选实施例3的时域多于频域2个子帧的资源单元示意图，如图22所示，时域子帧数是8，则频域SA信道数目为4。
其中N*N个信道在前N/2个子帧第一次发送为矩阵A，重发时，可以是前N*N个信道的转置AT。图23是根据本发明优选实施例3的时域是频域2倍的资源单元示意图，如图23所示。
优选实施例4
每个SA周期内，根据时域子帧数配置SA的频域资源数目。
时域SA子帧数为N，频域资源数配置为N/2，资源组为【N/2，N/2】。
时域子帧数是8，SA信道数目为16，重发资源可在不同的块间跳频，一是提高频域分集增益，另一个是满足资源组之间的部分互听。
图24是根据本发明优选实施例4的资源组跳频的示意图，如图24所示，是重发一次，重发模块采用首发资源组的转置模块，可以在模块间跳频，也可以不调频。
其中两个时域资源组可以在一个资源调度周期，也可以在两个资源调度周期。
优选实施例5
每个SA周期内，根据时域子帧数配置SA的频域资源数目。
时域SA子帧数为N，频域资源数配置为N-1，资源组大小为【N，N-1】。
重发3次
如时域子帧数是5，则频域SA信道数目为4。
由于是4次发送，在5个子帧中其中一个空余子帧用于监听其它子帧信道。
图25是根据本发明优选实施例的发送4次的模式示意图，如图25所示，其中，图25(a)是根据本发明优选实施例的发送4次的模式示意图一；图25(b)是根据本 发明优选实施例的发送4次的模式示意图二，图25(a)比图25(b)有更好的频率分集增益。
下面以图25(a)为例进行说明。
对应于上述图25(a)的资源单元确定方式，可以采用以下公式来实现：x(k,m)＝1+mod((4*(m-1)+k-1),5)，其中，k为行，k<＝5，m为列，m>＝1and m<＝4，在SA频域组中SA资源单元必须为4的倍数，。
优选实施例6
根据时域子帧数配置SA的频域资源数目。
时域SA子帧数为N，频域资源数配置为(N-1)/2，重发3次，资源组【N，(N-1)/2】。
资源组为4*5个SA信道组成，在前5个子帧采用重发1次，在后5个子帧组成的资源组可以在块间采用跳频，图22；重发三次，时域上第一个资源组重发一次，时域上第二资源组重排之后，可以在资源组之间跳频图24，图24是根据本发明优选实施例4的资源组跳频的示意图，也可以不跳频，跳频为了提高频域分集增益。
其中，前5帧可以位于第一个SA周期，后5帧位于第二个SA周期，也可以这10帧都位于一个SA周期。
优选实施例7
对于覆盖内，由于D2D发送端的信道由基站调度，因此，指示SA信道的信息应包含频域资源索引M和信道index组成，如带宽20M，每个SA有一个PRB组成，20M带宽可以含有100PRB，每个调度周期为5个SA子帧，则可划分频域划分为25个组，索引为25，资源索引可以用5bit进行索引频域组，重发一次，每个资源组含10个SA逻辑信道，用4bit指示
Figure PCTCN2014094560-appb-000008
优选实施例8
对于覆盖外预配置资源池方式，由发送端UE选择资源组。
其中，选择资源组前先监听，确立那个资源组的信息需要继续听，选择需继续听的资源组的序号，同时监控这个资源组的空余SA信道资源，可以是功率检测，也可以是解码SA方式，获得资源组的空余SA信道，比较空余信道数，所谓空余信道就是未被占用的信道，如空余信道数大于设定门限，则竞争选择空余SA资源的index。
如空余信道数小于设定门限值，则此资源组较紧张，查看是否有空余资源组没被其它用户占用，选择空余资源组，也就是相同用户组选择了不同资源组。可以通过资源组间跳频实现组之间的互通，图26是根据本发明优选实施例的发送4次1次跳频的示意图，如图26所示，时域的资源组可以在不同的调度周期，也就是说SA的调度周期包含5个SA子帧，另外54个子帧在第二调度周期，也可以在一个SA调度周期内，即SA调度周期是包含10个SA子帧。
除SA需要保证互听外，data之间也需要保证互听，因此，此设计思路也可以引入到data的设计pattern中。
显然，本领域的技术人员应该明白，上述的本发明的各模块或各步骤可以用通用的计算装置来实现，它们可以集中在单个的计算装置上，或者分布在多个计算装置所组成的网络上，可选地，它们可以用计算装置可执行的程序代码来实现，从而，可以将它们存储在存储装置中由计算装置来执行，并且在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤，或者将它们分别制作成各个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样，本发明不限制于任何特定的硬件和软件结合。
以上仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
工业实用性
如上所述，本发明实施例中提供了一种D2D通信处理方法、装置、D2D通信设备及基站。解决了相关技术中，存在D2D半双工系统下UE之间无法互听的问题，进而达到了实现D2D半双工系统下UE之间有效互听的效果。

Claims (25)

  1. 一种D2D通信处理方法，包括：
    确定用于设备到设备D2D通信的调度分配SA和/或数据的资源配置，其中，用于D2D通信的SA和/或数据的资源划分为M个资源组，每个资源组包括由N个时域资源单元*K个频域资源单元构成的X个资源单元，每个资源单元在时域上包括O个符号，在频域上包括P个子载波，每个资源组中的X个资源单元用于配置T个逻辑信道，每个逻辑信道依据发送次数Num包括Num个资源单元，依据预定规则确定每个逻辑信道在资源组中的位置，所述预定规则用于限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上，其中，M，N，K，X，O，P，T，Num均为整数；
    依据确定的所述资源配置进行D2D通信处理。
  2. 根据权利要求1所述的方法，其中，确定用于D2D通信的所述SA和/或数据的所述资源配置包括以下至少之一：
    接收基站发送的用于D2D通信的调度分配SA和/或数据的所述资源配置；
    对用于D2D通信的资源进行监听，依据监听结果确定用于D2D通信的调度分配SA和/或数据的所述资源配置。
  3. 根据权利要求1所述的方法，其中，确定用于D2D通信的调度分配SA和/或数据的所述资源配置包括：
    在所述预定规则为资源组中的时域资源单元数N大于频域资源单元数K；或者，资源组中的时域资源单元数N等于频域资源单元数K的情况下，配置首发时位于同一子帧的逻辑信道的物理资源在重发时至少有一次位于不同的子帧。
  4. 根据权利要求3所述的方法，其中，在资源组中的时域资源单元数N等于频域资源单元数K的情况下，配置首发时位于同一子帧的逻辑信道的物理资源在重发时至少有一次位于不同的子帧包括：
    将资源组中的资源单元按时频资源单元数构造矩阵及相应的逻辑信道序号，配置首发时选择序号按照该矩阵序号所对应的物理资源发送，在重发时按照该序号在矩阵的转置矩阵所对应的物理资源发送。
  5. 根据权利要求1所述的方法，其中，
    所述资源组中的频域资源单元为连续分配，或者等间隔分配；
    所述资源组中的时域资源单元为连续分配，或者等间隔分配。
  6. 根据权利要求1所述的方法，其中，所述预定规则通过以下方式限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上：
    第一步，通过以下公式把数字1、2、3、……k*(m+1)/2，的数放入编号为(k,m)的单元格：
    Figure PCTCN2014094560-appb-100001
    其中，行编号为k。k>＝1且k<＝max(subn)-1，列编号m，m>＝1且m<＝max(subn)-1，并且约束k+m<＝max(subn)，i为自然数，max(subn)是在SA资源周期内的最大时域SA物理单元数，min(1,(i-1)为取1，(i-1)中的较小值；
    第二步，通过以下方式读取max(subn)个在(k,m)单元格中的数字：第一次，从k＝1和m＝1的单元格开始读出第一列，然后读出k＝1和第max(subn)-1列，按读出的数字顺序填入[1，m+1]的第一行，即k＝1；第二次，m自增1，从k＝1和m＝2的单元格开始读出第二列，然后读出k＝1和第max(subn)-m列；按读出的数字顺序填入[2，m+1]的第二行，即k＝2，……；按此方法继续读取k＝1和m＝RoundU(max(subn)-1)/2列，然后读出k＝1和，m＝RoundD(max(subn)-1)/2+1的列对应的数字，其中RoundD是向下取整；RoundU是向上取整，按读出的数字顺序填入[RoundU(max(subn)-1)/2，m+1]的第RoundU(max(subn)-1)/2行；然后按颠倒顺序第一次从k＝1和m＝RoundD(max(subn)-1)/2+1的单元格开始读出第一列，然后读出k＝1和m＝RoundU(max(subn)-1)/2列，按读出的数字顺序填入[RoundD(max(subn)-1)/2+1，m+1]行，……；然后按读取k＝1和m＝max(subn)-2的顺序读出第二列，然后读出k＝1和m＝2的单元格列，按读出的数字顺序填入[k，m+1]的倒数第二行；读取k＝1和m＝max(subn)-1的顺序读出列，然后读出k＝1和m＝1的单元格列，按读出的数字顺序填入[k，m+1]的d倒数第一行。
  7. 根据权利要求6所述的方法，其中，采用以下公式重复所述预定规则通过上述方式限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上：
    x(k,m)＝1+mod((4*(m-1)+k-1),5)，其中，mod为取模操作。
  8. 根据权利要求1至7中任一项所述的方法，其中，依据确定的所述资源配置进行D2D通信处理包括：
    依据确定的所述资源配置中所包括的对资源组的资源组指示以及对所述资源组对应的逻辑信道的逻辑信道指示进行资源选择；
    依据选择的资源进行D2D通信处理。
  9. 一种D2D通信处理方法，包括：
    确定用于设备到设备D2D通信的调度分配SA和/或数据的资源配置，其中，用于D2D通信的SA和/或数据的资源划分为M个资源组，每个资源组包括由N个时域资源单元*K个频域资源单元构成的X个资源单元，每个资源单元在时域上包括O个符号，在频域上包括P个子载波，每个资源组中的X个资源单元用于配置T个逻辑信道，每个逻辑信道依据发送次数Num包括Num个资源单元，依据预定规则确定每个逻辑信道在资源组中的位置，所述预定规则用于限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上，其中，M，N，K，X，O，P，T，Num均为整数；
    将确定的所述资源配置发送给D2D通信设备。
  10. 根据权利要求9所述的方法，其中，确定用于D2D通信的调度分配SA和/或数据的所述资源配置包括：
    在所述预定规则为资源组中的时域资源单元数N大于频域资源单元数K；或者，资源组中的时域资源单元数N等于频域资源单元数K的情况下，配置首发时位于同一子帧的逻辑信道的物理资源在重发时至少有一次位于不同的子帧。
  11. 根据权利要求10所述的方法，其中，在资源组中的时域资源单元数N等于频域资源单元数K的情况下，配置首发时位于同一子帧的逻辑信道的物理资源在重发时至少有一次位于不同的子帧包括：
    将资源组中的资源单元按时频资源单元数构造矩阵及相应的逻辑信道序号，配置首发时选择序号按照该矩阵序号所对应的物理资源发送，在重发时按照该序号在矩阵的转置矩阵所对应的物理资源发送。
  12. 根据权利要求9所述的方法，其中，所述预定规则通过以下方式限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上：
    第一步，通过以下公式把数字1、2、3、……k*(m+1)/2，的数放入编号为(k,m)的单元格：
    Figure PCTCN2014094560-appb-100002
    其中，行编号为k。k>＝1且k<＝max(subn)-1，列编号m，m>＝1且m<＝max(subn)-1，并且约束k+m<＝max(subn)，i为自然数，max(subn)是在SA资源周期内的最大时域SA物理单元数，min(1,(i-1)为取1，(i-1)中的较小值；
    第二步，通过以下方式读取max(subn)个在(k,m)单元格中的数字：第一次，从k＝1和m＝1的单元格开始读出第一列，然后读出k＝1和第max(subn)-1列，按读出的数字顺序填入[1，m+1]的第一行，即k＝1；第二次，m自增1，从k＝1和m＝2的单元格开始读出第二列，然后读出k＝1和第max(subn)-m列；按读出的数字顺序填入[2，m+1]的第二行，即k＝2，……；按此方法继续读取k＝1和m＝RoundU(max(subn)-1)/2列，然后读出k＝1和，m＝RoundD(max(subn)-1)/2+1的列对应的数字，其中RoundD是向下取整；RoundU是向上取整，按读出的数字顺序填入[RoundU(max(subn)-1)/2，m+1]的第RoundU(max(subn)-1)/2行；然后按颠倒顺序第一次从k＝1和m＝RoundD(max(subn)-1)/2+1的单元格开始读出第一列，然后读出k＝1和m＝RoundU(max(subn)-1)/2列，按读出的数字顺序填入[RoundD(max(subn)-1)/2+1，m+1]行，……；然后按读取k＝1和m＝max(subn)-2的顺序读出第二列，然后读出k＝1和m＝2的单元格列，按读出的数字顺序填入[k，m+1]的倒数第二行；读取k＝1和m＝max(subn)-1的顺序读出列，然后读出k＝1和m＝1的单元格列，按读出的数字顺序填入[k，m+1]的d倒数第一行。
  13. 根据权利要求12所述的方法，其中，采用以下公式重复所述预定规则通过上述方式限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上：
    x(k,m)＝1+mod((4*(m-1)+k-1),5)，其中，mod为取模操作。
  14. 根据权利要求9至13中任一项所述的方法，其中，将确定的所述资源配置发送给所述D2D通信设备包括：
    对确定的所述资源配置中所包括的资源组和所述资源组对应的逻辑信道进行指示；
    将包括有对所述资源配置中所包括的对资源组进行指示的资源组指示以及对所述资源组对应的逻辑信道进行指示的逻辑信道指示的所述资源配置发送给所述D2D通信设备。
  15. 一种D2D通信处理装置，包括：
    第一确定模块，用于确定用于设备到设备D2D通信的调度分配SA和/或数据的资源配置，其中，用于D2D通信的SA和/或数据的资源划分为M个资源组，每个资源组包括由N个时域资源单元*K个频域资源单元构成的X个资源单元，每个资源单元在时域上包括O个符号，在频域上包括P个子载波，每个资源组中的X个资源单元用于配置T个逻辑信道，每个逻辑信道依据发送次数Num包括Num个资源单元，依据预定规则确定每个逻辑信道在资源组中的位置，所述预定规则用于限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上，其中，M，N，K，X，O，P，T，Num均为整数；
    处理模块，用于依据确定的所述资源配置进行D2D通信处理。
  16. 根据权利要求15所述的装置，其中，所述第一确定模块包括以下至少之一：
    接收单元，用于接收基站发送的用于D2D通信的调度分配SA和/或数据的所述资源配置；
    确定单元，用于对用于D2D通信的资源进行监听，依据监听结果确定用于D2D通信的调度分配SA和/或数据的所述资源配置。
  17. 根据权利要求15所述的装置，其中，所述第一确定模块包括：
    第一配置单元，用于在所述预定规则为资源组中的时域资源单元数N大于频域资源单元数K；或者，资源组中的时域资源单元数N等于频域资源单元数K的情况下，配置首发时位于同一子帧的逻辑信道的物理资源在重发时至少有一次位于不同的子帧。
  18. 根据权利要求15所述的装置，其中，所述第一配置单元包括：
    第一配置子单元，用于将资源组中的资源单元按时频资源单元数构造矩阵及相应的逻辑信道序号，配置首发时选择序号按照该矩阵序号所对应的物理资源发送，在重发时按照该序号在矩阵的转置矩阵所对应的物理资源发送。
  19. 根据权利要求15至18中任一项所述的装置，其中，所述处理模块包括：
    选择单元，用于依据确定的所述资源配置中所包括的对资源组的资源组指示以及对所述资源组对应的逻辑信道的逻辑信道指示进行资源选择；
    处理单元，用于依据选择的资源进行D2D通信处理。
  20. 一种D2D通信设备，包括权利要求15至19中任一项所述的装置。
  21. 一种D2D通信处理装置，包括：
    第二确定模块，用于确定用于设备到设备D2D通信的调度分配SA和/或数据的资源配置，其中，用于D2D通信的SA和/或数据的资源划分为M个资源组，每个资源组包括由N个时域资源单元*K个频域资源单元构成的X个资源单元，每个资源单元在时域上包括O个符号，在频域上包括P个子载波，每个资源组中的X个资源单元用于配置T个逻辑信道，每个逻辑信道依据发送次数Num包括Num个资源单元，依据预定规则确定每个逻辑信道在资源组中的位置，所述预定规则用于限定每个资源组中的每个逻辑信道至少包括一个资源单元与除该逻辑信道之外的其它逻辑信道的资源单元至少有一次不在同一时域上，其中，M，N，K，X，O，P，T，Num均为整数；
    发送模块，用于将确定的所述资源配置发送给D2D通信设备。
  22. 根据权利要求21所述的装置，其中，所述第二确定模块包括：
    第二配置单元，用于在所述预定规则为资源组中的时域资源单元数N大于频域资源单元数K；或者，资源组中的时域资源单元数N等于频域资源单元数K的情况下，配置首发时位于同一子帧的逻辑信道的物理资源在重发时至少有一次位于不同的子帧。
  23. 根据权利要求22所述的装置，其中，所述第二配置单元包括：
    第二配置子单元，用于将资源组中的资源单元按时频资源单元数构造矩阵及相应的逻辑信道序号，配置首发时选择序号按照该矩阵序号所对应的物理资源发送，在重发时按照该序号在矩阵的转置矩阵所对应的物理资源发送。
  24. 根据权利要求21至23中任一项所述的装置，其中，所述发送模块包括：
    指示单元，用于对确定的所述资源配置中所包括的资源组和所述资源组对应的逻辑信道进行指示；
    发送单元，用于将包括有对所述资源配置中所包括的对资源组进行指示的资源组指示以及对所述资源组对应的逻辑信道进行指示的逻辑信道指示的所述资源配置发送给所述D2D通信设备。
  25. 一种基站，包括权利要求21至24中任一项所述的装置。
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