WO2023116378A1 - Procédé de détermination de ressources de communication, procédé de communication, nœud de communication, et support - Google Patents

Procédé de détermination de ressources de communication, procédé de communication, nœud de communication, et support Download PDF

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Publication number
WO2023116378A1
WO2023116378A1 PCT/CN2022/135556 CN2022135556W WO2023116378A1 WO 2023116378 A1 WO2023116378 A1 WO 2023116378A1 CN 2022135556 W CN2022135556 W CN 2022135556W WO 2023116378 A1 WO2023116378 A1 WO 2023116378A1
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Prior art keywords
frequency domain
domain resource
index
resource
resource units
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PCT/CN2022/135556
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English (en)
Chinese (zh)
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陈杰
卢有雄
邢卫民
贺海港
苗婷
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中兴通讯股份有限公司
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Publication of WO2023116378A1 publication Critical patent/WO2023116378A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup

Definitions

  • the present application relates to the technical field of communication, for example, to a method for determining a communication resource, a communication method, a communication node and a medium.
  • Resource allocation for a side link is performed based on configured or pre-configured subbands in a resource pool, and the SL resource pool consists of several subchannels (subchannels) that are continuous in the frequency domain. Each subchannel is composed of multiple physical resource blocks (Resource Block, RB) continuous in the frequency domain.
  • the SL device is used to use at least one subchannel in the resource pool to map data resources, but when the SL user terminal (User Equipment, UE ) work in the unlicensed spectrum, because to meet the Occupied channel bandwidth (OCB) requirements, often the physical RB resources of the device in the frequency domain are discretely distributed, so how to determine the SL communication resource pool on the unlicensed spectrum problem needs to be further resolved.
  • UE User Equipment
  • the present application provides a communication resource determination method, a communication method, a communication node and a medium.
  • the embodiment of the present application provides a method for determining a communication resource, which is applied to a first communication node, and the method includes:
  • Numbering the frequency-domain resource units, and determining multiple frequency-domain resource units after numbering, the frequency-domain resource units are all resource blocks in a set of resource blocks on an interlace;
  • Data is transmitted on the communication resource.
  • the embodiment of the present application provides a communication method applied to a second communication node, including:
  • Numbering the frequency-domain resource units, and determining multiple frequency-domain resource units after numbering, the frequency-domain resource units are all resource blocks in a set of resource blocks on an interlace;
  • the embodiment of the present application provides a first communication node, including:
  • a storage device configured to store one or more programs
  • the one or more processors When the one or more programs are executed by the one or more processors, the one or more processors implement the method as described in the first aspect of the present application.
  • the embodiment of the present application provides a second communication node, including:
  • processors one or more processors
  • a storage device configured to store one or more programs
  • the one or more processors When the one or more programs are executed by the one or more processors, the one or more processors implement the method as described in the second aspect of the present application.
  • the embodiments of the present application provide a storage medium, the storage medium stores a computer program, and when the computer program is executed by a processor, any one of the methods in the embodiments of the present application is implemented.
  • Fig. 1a is a schematic flow chart of a method for determining communication resources provided by an embodiment of the present application
  • FIG. 1b is a schematic diagram of a data resource indication provided by an embodiment of the present application.
  • FIG. 1c is a schematic diagram of a data communication scenario provided by an embodiment of the present application.
  • Fig. 1d is a schematic diagram of a resource pool provided by an embodiment of the present application.
  • Fig. 1e is a schematic diagram of a numbering method of frequency domain resource units provided by an embodiment of the present application
  • Fig. 1f is a schematic diagram of another numbering method of frequency domain resource units provided by the embodiment of the present application.
  • Fig. 1g is a schematic diagram of another numbering method provided in the embodiment of the present application.
  • Figure 1h is a schematic diagram of another numbering method provided in the embodiment of the present application.
  • FIG. 1i is a schematic diagram of frequency-domain resource unit mapping provided by an embodiment of the present application.
  • FIG. 1j is a schematic diagram of another frequency-domain resource unit mapping provided by an embodiment of the present application.
  • FIG. 1k is a schematic diagram of another frequency-domain resource unit mapping provided by an embodiment of the present application.
  • FIG. 11 is a schematic diagram of another resource pool provided by the embodiment of the present application.
  • FIG. 1m is a schematic diagram of another mapping relationship provided by the embodiment of the present application.
  • FIG. 1n is a schematic diagram of another resource pool provided by the embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a communication method provided in an embodiment of the present application.
  • FIG. 3a is a schematic diagram of determining a frequency-domain resource unit provided by an embodiment of the present application.
  • FIG. 3b is a schematic diagram of a resource pool provided by an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of an apparatus for determining communication resources provided by an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a first communication node provided by an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a second communication node provided by an embodiment of the present application.
  • FIG. 1a is a schematic flowchart of a communication resource determination method provided in the embodiment of the present application. This method can be applied to the situation of determining a communication resource for sending data, and the method can be executed by a communication resource determination device.
  • the means for determining communication resources may be implemented by software and/or hardware, and integrated on the first communication node.
  • the first communication node may be a user terminal (User Equipment, UE) at the transmitting end.
  • UE User Equipment
  • NR-based Access to Unlicensed Spectrum M consecutive interleaved resource blocks (Resource blocks, RBs) are defined on the carrier, and the RBs in each interlace are equally spaced Distribution, different interleaves are distributed in a comb shape in the frequency domain, numbered from 0 to M-1.
  • N consecutive resource block sets RBset are also defined in the frequency domain, numbered from 0 to N-1, as shown in Figure 1b.
  • NR-U When indicating data resources, NR-U adopts a two-level indication method, X+Y, X represents the interleaving used by Physical Uplink Shared CHannel (PUSCH) resources, and Y represents the continuous use of PUSCH resources RBset, so that the user terminal can determine the resource location of the data in the bandwidth part (Bandwidth part, BWP) according to the indication information.
  • PUSCH Physical Uplink Shared CHannel
  • BWP bandwidth part
  • FIG. 1c is a schematic diagram of a data communication scenario provided by the embodiment of the present application, as shown in Figure 1c: the SL UE communicates based on the SL resource pool, and does not need the base station to forward data.
  • the smallest unit of data scheduling in the SL communication resource pool is the sub-band subchannel.
  • the SL resource pool consists of W consecutive subchannels in the frequency domain. Usually, one piece of data occupies several consecutive subchannels, and the subchannel is based on Several consecutive RBs determined by configuration or pre-configuration information.
  • Figure 1d is a schematic diagram of a resource pool provided by the embodiment of the present application.
  • indicating resources when indicating resources, only need to indicate the starting position of the subchannel occupied by the data in the frequency domain and the number of subchannels used to determine the SL data Resource location, at least one subchannel is used to send data.
  • the SL devices such as the first communication node and the second communication node
  • the resource occupation in the frequency domain is no longer physically continuous RBs, therefore, the traditional method cannot be used to determine the SL communication resources on the resource pool.
  • a communication resource determination method provided by the present application includes the following steps:
  • the smallest unlicensed scheduling unit is the physical RB resource on an RBset on an interlace, so this application defines the physical RB resource on an RBset on an interlace as a minimum resource unit in the frequency domain , also known as frequency domain resource unit, denoted as MinRBgroup.
  • the present application may determine communication resources based on the determined resource pool.
  • the resource pool it may be determined based on frequency domain resources.
  • this step may number the frequency domain resource units, so as to determine the resource pool based on the numbered frequency domain resource units.
  • the numbering method is not limited here, and the frequency domain resource units between adjacent frequency domain resource units may be continuous or discontinuous.
  • a resource pool may be determined based on the numbered frequency domain resource units.
  • part or all of the frequency domain resource units may be mapped to multiple subbands to form a resource pool.
  • Frequency domain resources within a subband may be continuous, and frequency domain resources between different subbands may be continuous or discontinuous.
  • communication resources may be selected from candidate resources in the resource pool.
  • the candidate resources may be resources forming a resource pool, and the candidate resources may be subbands or multiple frequency domain resource units.
  • the first communication node can be considered as a transmitting UE
  • the second communication node can be considered as a receiving UE
  • the receiving UE blindly detects the SL data in the resource pool according to the determined resource pool information.
  • the resource pool information may be information characterizing the resource pool.
  • the first sub-band is composed of the second sub-band with frequency domain resource size
  • the candidate positions of PSSCH are determined in L resource configuration tables
  • the actual transmission position of PSSCH is determined from the candidate positions, that is, communication resources are selected from the resource pool.
  • the receiving UE determines possible resource positions of the PSSCH, and then detects SL data at the possible resource positions.
  • a method for determining communication resources includes numbering frequency domain resource units and determining multiple numbered frequency domain resource units, where the frequency domain resource units are all resources in a set of resource blocks on an interlace. Resource blocks; determining a resource pool based on numbered frequency domain resource units; selecting communication resources from the resource pool; sending data on the communication resources.
  • a resource pool can be determined on an unlicensed frequency spectrum, and then communication resources can be selected based on the resource pool to implement data transmission.
  • the number of the frequency domain resource units is determined based on carrier configuration information or pre-configuration information
  • the information configured or preconfigured by the carrier includes: M interlaces, bandwidth parts, and Q resource block sets;
  • the bandwidth part includes N resource block sets, where N is a positive integer smaller than Q.
  • M, N and Q are positive integers.
  • M interlaces are defined on the SL-U carrier, and N RBsets are configured on the BWP of the SL-U carrier.
  • the resource pool pre-configuration/configuration sequence of SL-U includes:
  • SL-U carriers such as CC1.
  • M interleaves are defined on the CC1;
  • the SL BWP is defined on this CC1;
  • Q RBsets are defined on the CC1;
  • the number of frequency domain resource units is M*N.
  • the frequency domain resource units are numbered, and multiple numbered frequency domain resource units are determined, including:
  • interleaving index successively number each continuous resource block set in each interlace, and determine M*N frequency domain resource units.
  • the resource block sets in each interlace can be consecutively numbered according to the interleaving index, and the specific numbering method is not limited to ensure that adjacent frequency domain resource units between adjacent interlaces Continuous.
  • the minimum resource units in the frequency domain are numbered to determine M*N minimum resource units in the frequency domain, also called frequency domain resource units.
  • the numbering of the minimum resource units in the frequency domain includes: first sequentially numbering each continuous RBset resource in the interlace according to the interleaving index, and the numbering determines M*N minimum resource units in the frequency domain , numbered from 0 to M*N-1, where MinRBgroup frequency domain resources with consecutive numbers between different interlaces are continuous, that is, after the MinRBgroup on one interlace is numbered from low frequency to high frequency, the MinRBgroup on the next adjacent interlace Continuous numbering continues from high frequency to low frequency.
  • the index of the frequency domain resource unit when the interleaving index number is an even number, the index of the frequency domain resource unit is m*N+n, and when the interleaving index number is an odd number, the index of the frequency domain resource unit is m*N+ N-n-1; or,
  • the index of the frequency domain resource unit is m*N+N-n-1, and in the case where the interleaving index number is an odd number, the index of the frequency domain resource unit is m*N+n;
  • n is a resource block set number
  • the index of the frequency domain resource unit is m*N+n;
  • the index of the frequency domain resource unit is m*N+N-n-1;
  • m is the interleaving index number, and the value is from 0 to M-1
  • n is the resource block set number, and the value is from 0 to N-1.
  • the index of the frequency domain resource unit is m*N+N-n-1;
  • the index of the frequency domain resource unit is m*N+n;
  • m is the interleaving index number, and the value is from 1 to M
  • n is the resource block set number, and the value is from 0 to N-1.
  • Figure 1e is a schematic diagram of a frequency domain resource unit numbering method provided by the embodiment of the present application
  • Figure 1f is a schematic diagram of another frequency domain resource unit numbering method provided by the embodiment of the present application
  • Figure 1e shows that M is an odd number
  • Figure 1f shows a schematic diagram of numbering where M is an even number.
  • the frequency domain resource units are numbered, and multiple numbered frequency domain resource units are determined, including:
  • the index of the frequency domain resource unit is n*M+m
  • n is a resource block set number
  • m is an interleaving index number, which takes a value from 0 to M-1
  • n is a resource block set number, which takes a value from 0 to N-1.
  • the minimum resource units in the frequency domain are numbered to determine M*N minimum resource units in the frequency domain, also called frequency domain resource units.
  • the numbering of the minimum resource units in the frequency domain includes: first sequentially numbering each consecutive interlace in the RBset according to the RBset index, and the numbering determines M*N minimum resource units in the frequency domain, Numbered from 0 to M*N-1.
  • Fig. 1g is a schematic diagram of another numbering method provided by the embodiment of the present application, and Fig. 1g shows a numbering manner according to the RBset index.
  • the frequency domain resource units are numbered, and multiple numbered frequency domain resource units are determined, including:
  • the interleaving index consecutive numbering is performed on each consecutive resource block set in the interleaving, and M*N frequency domain resource units are determined;
  • the index of the frequency domain resource unit is N*m+n;
  • n is a resource block set number
  • m is an interleaving index number, which takes a value from 0 to M-1
  • n is a resource block set number, which takes a value from 0 to N-1.
  • the minimum resource units in the frequency domain are numbered to determine M*N minimum resource units in the frequency domain.
  • the minimum resource units in the frequency domain are numbered, including:
  • FIG. 1h is a schematic diagram of another numbering method provided by the embodiment of the present application.
  • resource pool sets are numbered consecutively according to interleaving indexes.
  • the frequency domain resource units are numbered, and multiple numbered frequency domain resource units are determined, including:
  • the resource block set is grouped into T groups
  • the index of the frequency domain resource unit is t*M*S+m*S+s, and in the case where the interleaving index number is odd, the index of the frequency domain resource unit is t*M* S+m*S+S-s-1; or,
  • the index of the frequency domain resource unit is t*M*S+m*S+S-s-1, and in the case where the interleaving index number is odd, the index of the frequency domain resource unit is t* M*S+m*S+s;
  • t is the group index of the resource block set
  • S is the number of resource block sets in each resource block set group
  • s is the number of the resource block set in each resource block set group
  • m is the interleaving index number.
  • the frequency domain resource units are numbered, and multiple numbered frequency domain resource units are determined, including:
  • the resource block set is grouped into T groups
  • the index of the frequency domain resource unit is t*M*S+m*S+s;
  • the index of the frequency domain resource unit is t*M*S+m*S+S-s-1;
  • t is the group index of the resource block set, and the value is from 0 to T-1
  • S is the number of resource block sets in each resource block set group
  • s is the number of the resource block set in each resource block set group
  • the value ranges from 0 to S-1
  • N T*S
  • m is the interleaving index number
  • the value ranges from 0 to M-1.
  • the frequency domain resource units are numbered, and multiple numbered frequency domain resource units are determined, including:
  • the resource block set is grouped into T groups
  • the index of the frequency domain resource unit is t*M*S+m*S+S-s-1;
  • the index of the frequency domain resource unit is t*M*S+m*S+s;
  • t is the group index of the resource block set, and the value is from 0 to T-1
  • S is the number of resource block sets in each resource block set group
  • s is the number of the resource block set in each resource block set group
  • the value ranges from 0 to S-1
  • N T*S
  • m is the interleaving index number
  • the value ranges from 1 to M.
  • each consecutive resource block set in the interleave is numbered according to the group index and the intra-group interleave index in sequence.
  • the RBsets are grouped, for example, RBset group 0, RBset group 1, . . . , RBset group T ⁇ 1, and each RBset group contains different RBsets.
  • the interleaving index number m is from 0 to M-1
  • the RRset group number t is from 0 to T-1
  • RRset number n is from 0 to N-1
  • the RBset number s in each RBset group is from 0 to S-1.
  • the frequency domain resource units are numbered, and multiple numbered frequency domain resource units are determined, including:
  • the resource block set is grouped into T groups
  • the index of the frequency domain resource unit is t*M*S+m*S+s;
  • t is the group index of the resource block set
  • S is the number of resource block sets in each resource block set group
  • s is the number of the resource block set in each resource block set group
  • m is the interleaving index number.
  • determining the resource pool based on the numbered frequency domain resource units includes:
  • Part or all of the numbered frequency domain resource units are mapped to one or more subbands to obtain a resource pool in which each subband has the same frequency domain size.
  • part or all of the coded frequency domain resource units may be mapped into multiple subbands according to a configured or preconfigured or default scale factor to obtain a resource pool.
  • the subbands may be consecutive subbands.
  • the scaling factor is the number of consecutive frequency-domain resource units mapped in a subband.
  • the encoded frequency-domain resource units can be mapped to multiple subbands according to a set ratio to obtain a resource pool, that is, if the scale factor K is not configured, it can be mapped according to a set ratio, and the set ratio includes but does not Limited to 1:1.
  • the resource pool obtained by mapping the numbered frequency-domain resource units to subbands includes:
  • the first index position is offset1
  • the second index position is M*N-1-offset2
  • offset2 ⁇ M*N-1-offset1
  • offset2> 0
  • offset1> 0
  • offset1 ⁇ M*N- 1.
  • the number of subbands is floor((M*N-offset2-offset1)/K)
  • K is the scale factor.
  • the resource mapping relationship between the frequency domain resource units and the subbands may be determined.
  • continuous frequency domain unit mapping includes:
  • Figure 1i is a schematic diagram of frequency-domain resource unit mapping provided by the embodiment of the present application.
  • the frequency-domain resource unit mapping starts from the 0+offset1 MinRBgroup index, and every K consecutive frequency-domain minimum resource unit MinRBgroup mapping To 1 subchannel, it has been mapped to the MinRBgroup index as M*N-1-offset2.
  • offset1 and offset2 may be configured by RRC or pre-configured.
  • offset1 When offset1 is not configured or pre-configured, the default is 0. When offset2 is not configured/preconfigured, it defaults to 0.
  • part or all of the numbered frequency domain resource units are mapped to one or more subbands to obtain a resource pool, including:
  • the third index position is less than or equal to M*N-1 and greater than or equal to the first index position
  • the number of subbands is floor ((offset3-offset1+1)/K)
  • offset3 is the third index position.
  • the resource mapping relationship between the frequency domain resource units and the subbands may be determined.
  • continuous frequency domain unit mapping includes:
  • Fig. 1j is a schematic diagram of another frequency-domain resource unit mapping provided by the embodiment of the present application.
  • the frequency-domain resource unit starts from the MinRBgroup of the 0+offset1 index, and each consecutive K minimum resource units in the frequency domain are mapped To 1 subchannel, it has been mapped to MinRBgroup with index 0+offset3.
  • offset1 and offset3 may be configured by RRC or pre-configured.
  • part or all of the numbered frequency domain resource units are mapped to one or more subbands to obtain a resource pool, including:
  • the fourth index position is offset1+L*K-1
  • L is a positive integer greater than or equal to 1
  • K> 1
  • L is the number of mapped subbands
  • the fourth index position is less than or equal to M*N-1.
  • the resource mapping relationship between the frequency domain resource units and the subbands may be determined.
  • continuous frequency domain unit mapping includes:
  • Figure 1k is a schematic diagram of yet another frequency-domain resource unit mapping provided by the embodiment of the present application.
  • the frequency-domain resource unit starts from the MinRBgroup of the 0+offset1 index, and each consecutive K minimum resource units in the frequency domain are mapped To 1 subchannel, continuously map L consecutive subchannels, and map to the final MinRBGroup index as offset1+L*K-1.
  • offset1 may be configured by RRC or pre-configured.
  • the resource pool obtained by mapping the numbered frequency-domain resource units to subbands includes:
  • the numbered frequency domain resource units are mapped to one or more second subbands of the frequency domain size of the first subband to obtain a resource pool, and a second subband
  • the frequency domain resource units in each table are continuous, and the frequency domain resource units in different second subbands are continuous or discontinuous.
  • the frequency domain resource sizes of the second subbands in each table are the same, and the frequency domain resource units corresponding to the second subbands are The starting positions are different, the number of configured tables is equal to the number of first subbands configured in the resource pool, and the first subbands are scale factor consecutive frequency domain resource units; or, the first subbands are The default number of consecutive frequency domain resource units.
  • the first subband is K frequency domain resource units.
  • the second subband is for each row in the L table below,
  • the frequency domain size of the second subband is equal to the frequency domain size of the first subband or multiple first subbands.
  • frequency domain resource units are mapped according to a configured or preconfigured table.
  • Frequency domain resource units within a subband are continuous, but frequency domain resource units between subbands are not necessarily continuous.
  • the discontinuity of two frequency domain resource units may mean that the frequency domain distance between RBs in the two frequency domain resource units is greater than or equal to the frequency domain distance of RBset.
  • MinRBGroup resource area used for subchannel resource mapping is MinRBGroup0 to MinRBGroup (N*M-1)
  • one subchannel needs to map K consecutive minimum resource units in the frequency domain.
  • the number of configured tables is L, and each table maps S consecutive frequency-domain resource units of the first sub-band frequency domain size, different tables S have different values, and S is primary data Sending consecutive frequency domain resource units occupying S consecutive first subbands in the frequency domain, S is a positive integer less than or equal to L and greater than or equal to 1.
  • Subchannel(0,0) corresponds to K consecutive frequency-domain minimum resource units MinRBgroups with low starting indexes, for example, corresponding to indexes from MinRBgroup[p(0,0)] to MinRBgroup[p(0,0)+K-1].
  • Subchannel(0,1) corresponds to MinRBgroup[p(0,1)] to MinRBgroup[p(0,1)+K-1], p(0,1)>p(0,0)+K-1, in order analogy.
  • Table 1 is a mapping relationship table provided by the embodiment of the present application.
  • Table 1 A mapping relationship table provided by the embodiment of this application.
  • Subchannel(1,0) corresponds to 2*K consecutive minimum resource units in the frequency domain with low starting indexes, for example, corresponding to MinRBgroup[p(1,0)] to MinRBgroup[p(1,0)+2*K-1 ].
  • Subchannel(1,1) corresponds to MinRBgroup[p(1,1)] to MinRBgroup[p(1,1)+2*K-1], p(1,1)>p(1,0)+K-1 , and so on....
  • a total of L2 Subchannels of 2*K frequency domain size are mapped.
  • Table 2 is another mapping relationship table provided by the embodiment of the present application.
  • Subchannel(L-1,1) corresponds to L*K consecutive minimum resource units in the frequency domain with low starting indexes, for example, corresponding to MinRBgroup[p(L-1,1)] to MinRBgroup[p(L-1,1) +L*K-1],
  • Subchannel(L-1,2) corresponds to MinRBgroup[p(L-1,2)] to MinRBgroup[p(L-1,2)+L*K-1], p(L -1,2)>p(L-1,1)+K-1, and so on...
  • Table 3 is another mapping relationship table provided in the embodiment of the present application.
  • the starting frequency domain position of the frequency domain resource unit of each second subband in all tables except the table mapping the frequency domain size of 1 first subband in the L tables is the same as that of mapping 1
  • the starting frequency domain positions of the frequency domain resource units of a certain second subband in the frequency domain size table of the first subband are the same.
  • the L tables have a certain constraint relationship, that is, the starting position of each subchannel (r1, r2) in Table 2 to Table 3 is the same as the starting frequency domain position of a certain subchannel in Table 1.
  • selecting communication resources from the resource pool includes:
  • the size of the frequency band is determined based on the number of RBs included in the subband.
  • the resource pool formed by L consecutive subbands may be a resource pool formed after mapping frequency domain resource units to subbands based on the determined resource mapping relationship between frequency domain resource units and subbands.
  • a table corresponding to the two frequency domain sizes may be selected to select candidate resources.
  • the frequency band size of the candidate resources in the table is the frequency domain size of the two first sub-bands.
  • How to select a candidate resource is not limited here, and any candidate resource may be selected as a communication resource.
  • FIG. 1n is a schematic diagram of another resource pool provided by the embodiment of the present application.
  • the determined resource pool composed of L consecutive subbands is shown in FIG. 1n , based on which resource pool can be directly selected A continuous subchannel for data transmission.
  • FIG. 2 is a schematic flowchart of a communication method provided in an embodiment of the present application.
  • This method is applicable to the case of performing blind detection of side link SL data based on a determined resource pool.
  • the method may be executed by the communication device provided in the embodiment of the present application, the device may be implemented by software and/or hardware, and integrated on the second communication node.
  • the communication device provided in the embodiment of the present application, the device may be implemented by software and/or hardware, and integrated on the second communication node.
  • the communication method provided by this application includes the following steps:
  • a communication method provided by an embodiment of the present application can determine a resource pool on an unlicensed frequency spectrum, and then perform SL data detection and reception based on the resource pool.
  • the number of the frequency domain resource units is determined based on carrier configuration information or pre-configuration information
  • the information configured or preconfigured by the carrier includes: M interlaces, bandwidth parts, and Q resource block sets;
  • the bandwidth part includes N resource block sets, where N is a positive integer smaller than Q.
  • M, N and Q are positive integers.
  • the number of frequency domain resource units is M*N.
  • frequency domain resource units are numbered, and multiple numbered frequency domains are determined.
  • the index of the frequency domain resource unit is m*N+n;
  • the index of the frequency domain resource unit is m*N+N-n-1;
  • m is the interleaving index number, and the value is from 0 to M-1
  • n is the resource block set number, and the value is from 0 to N-1.
  • the index of the frequency domain resource unit is m*N+N-n-1;
  • the index of the frequency domain resource unit is m*N+n;
  • m is the interleaving index number, and the value is from 1 to M
  • n is the resource block set number, and the value is from 0 to N-1.
  • the frequency domain resource units are numbered, and multiple numbered frequency domain resource units are determined, including:
  • the index of the frequency domain resource unit is n*M+m
  • m is the interleaving index number, and the value is from 0 to M-1
  • n is the resource block set number, and the value is from 0 to N-1.
  • the frequency domain resource units are numbered, and multiple numbered frequency domain resource units are determined, including:
  • the interleaving index consecutive numbering is performed on each consecutive resource block set in the interleaving, and M*N frequency domain resource units are determined;
  • the index of the frequency domain resource unit is N*m+n;
  • m is the interleaving index number, and the value is from 0 to M-1
  • n is the resource block set number, and the value is from 0 to N-1.
  • the frequency domain resource units are numbered, and multiple numbered frequency domain resource units are determined, including:
  • the resource block set is grouped into T groups
  • the index of the frequency domain resource unit is t*M*S+m*S+s, and in the case where the interleaving index number is odd, the index of the frequency domain resource unit is t*M* S+m*S+S-s-1; or,
  • the index of the frequency domain resource unit is t*M*S+m*S+S-s-1, and in the case where the interleaving index number is odd, the index of the frequency domain resource unit is t* M*S+m*S+s;
  • t is the group index of the resource block set
  • S is the number of resource block sets in each resource block set group
  • s is the number of the resource block set in each resource block set group
  • m is the interleaving index number.
  • the frequency domain resource units are numbered, and multiple numbered frequency domain resource units are determined, including:
  • the resource block set is grouped into T groups
  • the index of the frequency domain resource unit is t*M*S+m*S+s;
  • the index of the frequency domain resource unit is t*M*S+m*S+S-s-1;
  • t is the group index of the resource block set, and the value is from 0 to T-1
  • S is the number of resource block sets in each resource block set group
  • s is the number of the resource block set in each resource block set group
  • the value ranges from 0 to S-1
  • N T*S
  • m is the interleaving index number
  • the value ranges from 0 to M-1.
  • the frequency domain resource units are numbered, and multiple numbered frequency domain resource units are determined, including:
  • the resource block set is grouped into T groups
  • the index of the frequency domain resource unit is t*M*S+m*S+S-s-1;
  • the index of the frequency domain resource unit is t*M*S+m*S+s;
  • t is the group index of the resource block set, and the value is from 0 to T-1
  • S is the number of resource block sets in each resource block set group
  • s is the number of the resource block set in each resource block set group
  • the value ranges from 0 to S-1
  • N T*S
  • m is the interleaving index number
  • the value ranges from 1 to M.
  • the frequency domain resource units are numbered, and multiple numbered frequency domain resource units are determined, including:
  • the resource block set is grouped into T groups
  • the index of the frequency domain resource unit is t*M*S+m*S+s;
  • t is the group index of the resource block set
  • S is the number of resource block sets in each resource block set group
  • s is the number of the resource block set in each resource block set group
  • m is the interleaving index number.
  • determining the resource pool based on the numbered frequency domain resource units includes:
  • Part or all of the numbered frequency domain resource units are mapped to one or more subbands to obtain a resource pool, and each subband has the same frequency domain size.
  • part or all of the numbered frequency domain resource units are mapped to one or more subbands to obtain a resource pool, including:
  • Map the numbered frequency-domain resource units starting from the frequency-domain resource unit at the first index position, and map every scale factor of consecutive frequency-domain resource units into a subband until mapped to the frequency-domain resource unit at the second index position;
  • the first index position is offset1
  • the second index position is M*N-1-offset2
  • offset2 ⁇ M*N-1-offset1
  • offset2> 0
  • offset1> 0
  • offset1 ⁇ M*N- 1.
  • the number of subbands is floor((M*N-offset2-offset1)/K)
  • K is the scale factor.
  • part or all of the numbered frequency domain resource units are mapped to one or more subbands to obtain a resource pool, including:
  • the third index position is less than or equal to M*N-1 and greater than or equal to the first index position
  • the number of subbands is floor ((offset3-offset1+1)/K)
  • offset3 is the third index position.
  • part or all of the numbered frequency domain resource units are mapped to one or more subbands to obtain a resource pool, including:
  • the fourth index position is offset1+L*K-1
  • L is a positive integer greater than or equal to 1
  • K> 1
  • L is the number of mapped subbands
  • the fourth index position is less than or equal to M*N-1.
  • part or all of the numbered frequency domain resource units are mapped to one or more subbands to obtain a resource pool, including:
  • the numbered frequency domain resource units are mapped to one or more second subbands of the frequency domain size of the first subband to obtain a resource pool, and the frequency domain resource units in one second subband Continuous, the frequency domain resource units in different second subbands are continuous or discontinuous, the frequency domain resource sizes of the second subbands in each table are the same, and the starting positions of the frequency domain resource units corresponding to the second subbands are different, so
  • the number of configured tables is equal to the number of first subbands configured in the resource pool, and the first subband is a scale factor of continuous frequency domain resource units; or, the first subband is a default number of continuous frequency domain resource units domain resource unit.
  • the number of configured tables is L, and each table maps S consecutive frequency-domain resource units of the first sub-band frequency domain size, different tables S have different values, and S is primary data Sending consecutive frequency domain resource units occupying S consecutive first subbands in the frequency domain, S is a positive integer less than or equal to L and greater than or equal to 1.
  • the starting frequency domain position of the frequency domain resource unit of each second subband in all tables except the table mapping the frequency domain size of 1 first subband in the L tables is the same as that of mapping 1
  • the starting frequency domain positions of the frequency domain resource units of a certain second subband in the frequency domain size table of the first subband are the same.
  • selecting communication resources from the resource pool includes:
  • Both the communication resource determination method and the communication method provided in the present application include the determination of a resource pool, such as the determination of an SL resource pool on an unlicensed spectrum.
  • Fig. 3a is a schematic diagram of determining a resource unit in the frequency domain provided by the embodiment of the present application, as shown in Fig. 3a, according to the definition of the minimum resource unit in the frequency domain, 20 MinRBGroups can be determined.
  • Each RBset contains 50 RBs, which belong to 5 interweaves,
  • the RB contained in interleave 0 is
  • the RBs included in interleaving 1 are
  • the RBs included in interleave 2 are
  • the RBs included in interleave 3 are
  • the RBs included in interleaving 4 are
  • the RB contained in interleave 0 is
  • the RBs included in interleaving 1 are
  • the RBs included in interleave 2 are
  • the RBs included in interleave 3 are
  • the RBs included in interleaving 4 are
  • Embodiment 1 determining the minimum resource unit MinRBGroup in the frequency domain.
  • Table 4 A schematic diagram of a mapping relationship provided by the embodiment of this application.
  • Table 5 is another schematic table of the mapping relationship provided by the embodiment of the present application.
  • Embodiment 2 Determine the subchannel in the SL communication resource pool according to MinRBGroup
  • Table 6 A mapping table provided by the embodiment of this application.
  • MinRBGroup Subchannel0 MinRBGroup(5), MinRBGroup(6) Subchannel1 MinRBGroup(7), MinRBGroup(8) Subchannel2 MinRBGroup(9), MinRBGroup(10) Subchannel3 MinRBGroup(11), MinRBGroup(12) Subchannel4 MinRBGroup(13), MinRBGroup(14)
  • MinRBGroup Subchannel0 MinRBGroup(5), MinRBGroup(6) Subchannel1 MinRBGroup(7), MinRBGroup(8) Subchannel2 MinRBGroup(9), MinRBGroup(10) Subchannel3 MinRBGroup(11), MinRBGroup(12) Subchannel4 MinRBGroup(13), MinRBGroup(14)
  • Table 8 is another mapping table provided by the embodiment of the present application.
  • MinRBGroup Subchannel0 MinRBGroup(5), MinRBGroup(6) Subchannel1 MinRBGroup(7), MinRBGroup(8) Subchannel2 MinRBGroup(9), MinRBGroup(10) Subchannel3 MinRBGroup(11), MinRBGroup(12) Subchannel4 MinRBGroup(13), MinRBGroup(14)
  • the default subchannel mapping start position is MinRBGroup(0), and the end position is MinRBGroup(19).
  • the default K 1.
  • Fig. 3b is a schematic diagram of a resource pool provided by an embodiment of the present application. After five subchannels are determined, the resource pool configuration can be determined as shown in Figure 3b.
  • Table 9 is a schematic table of available subbands provided by the embodiment of the present application. When the UE transmits data and needs to occupy 2 subbands, the available continuous subbands are shown in Table 9.
  • Table 9 A schematic diagram of available subbands provided by the embodiment of this application.
  • candidate resource index Corresponding subband resources candidate resource 0 Subchannel0+Subchannel1 Candidate resource 1 Subchannel1+Subchannel2 Candidate resource 2 Subchannel2+Subchannel3 Candidate resource 3 Subchannel3+Subchannel4
  • the available continuous subbands are:
  • candidate resource index Corresponding subband resources candidate resource 0 Subchannel0+Subchannel1+Subchannel2 Candidate resource 1 Subchannel1+Subchannel2+Subchannel3 Candidate resource 2 Subchannel2+Subchannel3+Subchannel4
  • Table 10 is another schematic table of available subbands provided in the embodiment of the present application. When the UE needs to occupy 4 subbands to transmit data, the available continuous subbands are shown in Table 10.
  • Table 11 is another schematic table of available subbands provided by the embodiment of the present application. When the UE needs to occupy 5 subbands to transmit data, the available continuous subbands are shown in Table 11.
  • the receiving UE determines possible PSSCH positions according to the resource configuration, and performs detection on possible data resource positions to receive data.
  • MinRBGroup resource area used for subchannel resource mapping is MinRBGroup0 to MinRBGroup (19).
  • Table 12 A candidate resource correspondence table provided by the embodiment of this application.
  • MinRBGroup candidate resource index Correspondence between candidate resources and MinRBGroup candidate resource 0 MinRBGroup(0), MinRBGroup(1) Candidate resource 1 MinRBGroup(4), MinRBGroup(5) Candidate resource 2 MinRBGroup(9), MinRBGroup(10) Candidate resource 3 MinRBGroup(12), MinRBGroup(13) Candidate resource 4 MinRBGroup(15), MinRBGroup(16)
  • Table 13 is another candidate resource correspondence table provided by the embodiment of the present application.
  • Table 14 is another candidate resource correspondence table provided by the embodiment of the present application.
  • the starting frequency domain positions of the resources are the same.
  • Table 14 is another candidate resource correspondence table provided by the embodiment of this application.
  • Table 15 is another candidate resource correspondence table provided by the embodiment of the present application.
  • the starting frequency domain positions of the resources are the same.
  • Table 15 is another candidate resource correspondence table provided by the embodiment of this application.
  • Table 16 is another candidate resource correspondence table provided by the embodiment of the present application.
  • the starting frequency domain positions of the resources are the same.
  • Table 16 is another candidate resource correspondence table provided by the embodiment of this application.
  • the transmitting UE selects appropriate candidate resources in each table according to the transmission resource size required by the PSSCH.
  • the receiving UE determines possible PSSCH positions according to resource configuration, and performs detection and reception on possible data resource positions.
  • FIG. 4 is a schematic structural diagram of a device for determining communication resources provided in an embodiment of the present application.
  • the device for determining communication resources is integrated on the first communication node , as shown in Figure 4, the device includes:
  • the processing module 41 is configured to number the frequency-domain resource units, and determine a plurality of numbered frequency-domain resource units, where the frequency-domain resource units are all resource blocks in a set of resource blocks on an interlace; based on the numbered The frequency domain resource unit determines a resource pool; selects communication resources from the resource pool;
  • the sending module 42 is configured to send data on the communication resource.
  • the communication resource determination device provided in this embodiment is used to implement the communication resource determination method of the embodiment shown in Figure 1a, and the implementation principle and technical effect of the communication resource determination device provided in this embodiment are the same as the communication resource determination of the embodiment shown in Figure 1a The method is similar and will not be repeated here.
  • the number of frequency domain resource units is determined based on carrier configuration information or pre-configuration information
  • the information configured or preconfigured by the carrier includes: M interlaces, bandwidth parts, and Q resource block sets;
  • the bandwidth part includes N resource block sets, where N is a positive integer smaller than Q.
  • M, N and Q are positive integers.
  • the number of frequency domain resource units is M*N.
  • the processing module 41 numbers the frequency domain resource units, and determines multiple numbered frequency domain resource units, including:
  • interleaving index successively number each continuous resource block set in each interlace, and determine M*N frequency domain resource units.
  • the index of the frequency domain resource unit when the interleaving index number is an even number, the index of the frequency domain resource unit is m*N+n, and when the interleaving index number is an odd number, the index of the frequency domain resource unit is m*N+ N-n-1; or,
  • the index of the frequency domain resource unit is m*N+N-n-1, and in the case where the interleaving index number is an odd number, the index of the frequency domain resource unit is m*N+n;
  • n is a resource block set number
  • the index of the frequency domain resource unit is m*N+n;
  • the index of the frequency domain resource unit is m*N+N-n-1;
  • n is a resource block set number
  • m is an interleaving index number, which takes a value from 0 to M-1
  • n is a resource block set number, which takes a value from 0 to N-1.
  • the index of the frequency domain resource unit is m*N+N-n-1;
  • the index of the frequency domain resource unit is m*N+n; wherein, m is the interleaving index number, and n is the resource block set number.
  • m is an interleaving index number, taking a value from 1 to M
  • n is a resource block set number, taking a value from 0 to N-1.
  • the processing module 41 numbers the frequency domain resource units, and determines multiple numbered frequency domain resource units, including:
  • the index of the frequency domain resource unit is n*M+m
  • m is the interleaving index number, and the value is from 0 to M-1
  • n is the resource block set number, and the value is from 0 to N-1.
  • the processing module 41 numbers the frequency domain resource units, and determines multiple numbered frequency domain resource units, including:
  • the interleaving index consecutive numbering is performed on each consecutive resource block set in the interleaving, and M*N frequency domain resource units are determined;
  • the index of the frequency domain resource unit is N*m+n;
  • n is a resource block set number
  • m is an interleaving index number, which takes a value from 0 to M-1
  • n is a resource block set number, which takes a value from 0 to N-1.
  • the frequency domain resource units are numbered, and multiple numbered frequency domain resource units are determined, including:
  • the resource block set is grouped into T groups
  • the index of the frequency domain resource unit is t*M*S+m*S+s, and in the case where the interleaving index number is odd, the index of the frequency domain resource unit is t*M* S+m*S+S-s-1; or,
  • the index of the frequency domain resource unit is t*M*S+m*S+S-s-1, and in the case where the interleaving index number is odd, the index of the frequency domain resource unit is t* M*S+m*S+s;
  • t is the group index of the resource block set
  • S is the number of resource block sets in each resource block set group
  • s is the number of the resource block set in each resource block set group
  • m is the interleaving index number.
  • the processing module 41 numbers the frequency domain resource units, and determines multiple numbered frequency domain resource units, including:
  • the resource block set is grouped into T groups
  • the index of the frequency domain resource unit is t*M*S+m*S+s;
  • the index of the frequency domain resource unit is t*M*S+m*S+S-s-1;
  • t is the group index of the resource block set, and the value is from 0 to T-1
  • S is the number of resource block sets in each resource block set group
  • s is the number of the resource block set in each resource block set group
  • the value ranges from 0 to S-1
  • N T*S
  • m is the interleaving index number
  • the value ranges from 0 to M-1.
  • the processing module 41 numbers the frequency domain resource units, and determines multiple numbered frequency domain resource units, including:
  • the resource block set is grouped into T groups
  • the index of the frequency domain resource unit is t*M*S+m*S+S-s-1;
  • the index of the frequency domain resource unit is t*M*S+m*S+s;
  • t is the group index of the resource block set, and the value is from 0 to T-1
  • S is the number of resource block sets in each resource block set group
  • s is the number of the resource block set in each resource block set group
  • the value ranges from 0 to S-1
  • N T*S
  • m is the interleaving index number
  • the value ranges from 1 to M.
  • the processing module 41 numbers the frequency domain resource units, and determines multiple numbered frequency domain resource units, including:
  • the resource block set is grouped into T groups
  • the index of the frequency domain resource unit is t*M*S+m*S+s;
  • t is the group index of the resource block set
  • S is the number of resource block sets in each resource block set group
  • s is the number of the resource block set in each resource block set group
  • m is the interleaving index number.
  • the processing module 41 determines the resource pool based on the numbered frequency domain resource units, including:
  • Part or all of the numbered frequency domain resource units are mapped to one or more subbands to obtain a resource pool, and each subband has the same frequency domain size.
  • the processing module 41 maps part or all of the numbered frequency domain resource units to one or more subbands to obtain a resource pool, including:
  • Map the numbered frequency-domain resource units starting from the frequency-domain resource unit at the first index position, and map every scale factor of consecutive frequency-domain resource units into a subband until mapped to the frequency-domain resource unit at the second index position;
  • the first index position is offset1
  • the second index position is M*N-1-offset2
  • offset2 ⁇ M*N-1-offset1
  • offset2> 0
  • offset1> 0
  • offset1 ⁇ M*N- 1.
  • the number of subbands is floor((M*N-offset2-offset1)/K)
  • K is the scale factor.
  • the processing module 41 maps part or all of the numbered frequency domain resource units to one or more subbands to obtain a resource pool, including:
  • the third index position is less than or equal to M*N-1 and greater than or equal to the first index position
  • the number of subbands is floor ((offset3-offset1+1)/K)
  • offset3 is the third index position.
  • the processing module 41 maps part or all of the numbered frequency domain resource units to one or more subbands to obtain a resource pool, including:
  • the fourth index position is offset1+L*K-1
  • L is a positive integer greater than or equal to 1
  • K> 1
  • L is the number of mapped subbands
  • the fourth index position is less than or equal to M*N-1.
  • the processing module 41 maps part or all of the numbered frequency domain resource units to one or more subbands to obtain a resource pool, including:
  • the numbered frequency domain resource units are mapped to one or more second subbands of the frequency domain size of the first subband to obtain a resource pool, and the frequency domain resource units in one second subband Continuous, the frequency domain resource units in different second subbands are continuous or discontinuous, the frequency domain resource sizes of the second subbands in each table are the same, and the starting positions of the frequency domain resource units corresponding to the second subbands are different, so
  • the number of configured tables is equal to the number of first subbands configured in the resource pool, and the first subband is a scale factor of continuous frequency domain resource units; or, the first subband is a default number of continuous frequency domain resource units domain resource unit.
  • the number of configured tables is L, and each table maps S consecutive frequency-domain resource units of the first sub-band frequency domain size, different tables S have different values, and S is primary data Sending consecutive frequency domain resource units occupying S consecutive first subbands in the frequency domain, where S is a positive integer less than or equal to L and greater than or equal to 1.
  • the starting frequency domain position of the frequency domain resource unit of each second subband in all tables except the table mapping the frequency domain size of 1 first subband in the L tables is the same as that of mapping 1
  • the starting frequency domain positions of the frequency domain resource units of a certain second subband in the frequency domain size table of the first subband are the same.
  • the processing module 41 selects communication resources from the resource pool, including:
  • FIG. 5 is a schematic structural diagram of a communication device provided in an embodiment of the present application.
  • the device is integrated in a second communication node, as shown in FIG. 5
  • the device includes:
  • the processing module 51 is configured to number the frequency-domain resource units, and determine a plurality of numbered frequency-domain resource units, where the frequency-domain resource units are all resource blocks in a set of resource blocks on an interlace; based on the numbered The frequency domain resource unit determines the resource pool;
  • the blind detection module 52 is configured to blindly detect edge link SL data in the resource pool.
  • the communication device provided in this embodiment is used to realize the communication method of the embodiment shown in FIG. 2 .
  • the implementation principle and technical effect of the communication device provided in this embodiment are similar to the communication method of the embodiment shown in FIG. 2 , and will not be repeated here. .
  • the number of the frequency domain resource units is determined based on carrier configuration information or pre-configuration information
  • the information configured or preconfigured by the carrier includes: M interlaces, bandwidth parts, and Q resource block sets;
  • the bandwidth part includes N resource block sets, where N is a positive integer smaller than Q.
  • M, N and Q are positive integers.
  • the number of frequency domain resource units is M*N.
  • the processing module 51 numbers the resource units in the frequency domain, and determines multiple frequency domains after numbering.
  • the index of the frequency domain resource unit is m*N+n;
  • the index of the frequency domain resource unit is m*N+N-n-1;
  • m is the interleaving index number, and the value is from 0 to M-1
  • n is the resource block set number, and the value is from 0 to N-1.
  • the index of the frequency domain resource unit is m*N+N-n-1;
  • the index of the frequency domain resource unit is m*N+n;
  • n is a resource block set number
  • the processing module 51 numbers the frequency-domain resource units, and determines multiple numbered frequency-domain resource units, including:
  • the index of the frequency domain resource unit is n*M+m
  • n is a resource block set number
  • the processing module 51 numbers the frequency-domain resource units, and determines multiple numbered frequency-domain resource units, including:
  • the interleaving index consecutive numbering is performed on each consecutive resource block set in the interleaving, and M*N frequency domain resource units are determined;
  • the index of the frequency domain resource unit is N*m+n;
  • n is a resource block set number
  • the frequency domain resource units are numbered, and multiple numbered frequency domain resource units are determined, including:
  • the resource block set is grouped into T groups
  • the index of the frequency domain resource unit is t*M*S+m*S+s, and in the case where the interleaving index number is odd, the index of the frequency domain resource unit is t*M* S+m*S+S-s-1; or,
  • the index of the frequency domain resource unit is t*M*S+m*S+S-s-1, and in the case where the interleaving index number is odd, the index of the frequency domain resource unit is t* M*S+m*S+s;
  • t is the group index of the resource block set
  • S is the number of resource block sets in each resource block set group
  • s is the number of the resource block set in each resource block set group
  • m is the interleaving index number.
  • the processing module 51 numbers the frequency-domain resource units, and determines multiple numbered frequency-domain resource units, including:
  • the resource block set is grouped into T groups
  • each continuous resource block set in the interleave is serially numbered, and M*N frequency domain resource units are determined;
  • the index of the frequency domain resource unit is t*M*S+m*S+s;
  • the index of the frequency domain resource unit is t*M*S+m*S+S-s-1;
  • t is the group index of the resource block set, and the value is from 0 to T-1
  • S is the number of resource block sets in each resource block set group
  • s is the number of the resource block set in each resource block set group
  • the value ranges from 0 to S-1
  • N T*S
  • m is the interleaving index number
  • the value ranges from 0 to M-1.
  • the processing module 51 numbers the frequency-domain resource units, and determines multiple numbered frequency-domain resource units, including:
  • the resource block set is grouped into T groups
  • the index of the frequency domain resource unit is t*M*S+m*S+S-s-1;
  • the index of the frequency domain resource unit is t*M*S+m*S+s;
  • t is the group index of the resource block set, and the value is from 0 to T-1
  • S is the number of resource block sets in each resource block set group
  • s is the number of the resource block set in each resource block set group
  • the value ranges from 0 to S-1
  • N T*S
  • m is the interleaving index number
  • the value ranges from 1 to M.
  • the processing module 51 numbers the frequency-domain resource units, and determines multiple numbered frequency-domain resource units, including:
  • the resource block set is grouped into T groups
  • the index of the frequency domain resource unit is t*M*S+m*S+s;
  • t is the group index of the resource block set
  • S is the number of resource block sets in each resource block set group
  • s is the number of the resource block set in each resource block set group
  • m is the interleaving index number.
  • the processing module 51 determines the resource pool based on the numbered frequency domain resource units, including:
  • Part or all of the numbered frequency domain resource units are mapped to one or more subbands to obtain a resource pool, and each subband has the same frequency domain size.
  • the processing module 51 maps part or all of the numbered frequency domain resource units to one or more subbands to obtain a resource pool, including:
  • Map the numbered frequency-domain resource units starting from the frequency-domain resource unit at the first index position, and map every scale factor of consecutive frequency-domain resource units into a subband until mapped to the frequency-domain resource unit at the second index position;
  • the first index position is offset1
  • the second index position is M*N-1-offset2
  • offset2 ⁇ M*N-1-offset1
  • offset2> 0
  • offset1> 0
  • offset1 ⁇ M*N- 1.
  • the number of subbands is floor((M*N-offset2-offset1)/K)
  • K is the scale factor.
  • the processing module 51 maps part or all of the numbered frequency domain resource units to one or more subbands to obtain a resource pool, including:
  • the third index position is less than or equal to M*N-1 and greater than or equal to the first index position
  • the number of subbands is floor ((offset3-offset1+1)/K)
  • offset3 is the third index position.
  • the processing module 51 maps part or all of the numbered frequency domain resource units to one or more subbands to obtain a resource pool, including:
  • the fourth index position is offset1+L*K-1
  • L is a positive integer greater than or equal to 1
  • K> 1
  • L is the number of mapped subbands
  • the fourth index position is less than or equal to M*N-1.
  • the processing module 51 maps part or all of the numbered frequency domain resource units to one or more subbands to obtain a resource pool, including:
  • the numbered frequency domain resource units are mapped to one or more second subbands of the frequency domain size of the first subband to obtain a resource pool, and the frequency domain resource units in one second subband Continuous, the frequency domain resource units in different second subbands are continuous or discontinuous, the frequency domain resource sizes of the second subbands in each table are the same, and the starting positions of the frequency domain resource units corresponding to the second subbands are different, so
  • the number of configured tables is equal to the number of first subbands configured in the resource pool, and the first subband is a scale factor of continuous frequency domain resource units; or, the first subband is a default number of continuous frequency domain resource units domain resource unit.
  • the number of configured tables is L, and each table maps S consecutive frequency-domain resource units of the first sub-band frequency domain size, different tables S have different values, and S is primary data Sending consecutive frequency domain resource units occupying S consecutive first subbands in the frequency domain, S is a positive integer less than or equal to L and greater than or equal to 1.
  • the starting frequency domain position of the frequency domain resource unit of each second subband in all tables except the table mapping the frequency domain size of 1 first subband in the L tables is the same as that of mapping 1
  • the starting frequency domain positions of the frequency domain resource units of a certain second subband in the frequency domain size table of the first subband are the same.
  • the processing module 51 selects communication resources from the resource pool, including:
  • FIG. 6 is a schematic structural diagram of a first communication node provided in the embodiment of the present application; as shown in FIG. 6 , the present application provides The first communication node, comprises one or more processors 61 and storage device 62;
  • the processor 61 in this first communication node can be one or more, take a processor 61 as example in Fig. 6;
  • Storage device 62 For storing one or more programs; the one or more programs are executed by the one or more processors 61, so that the one or more processors 61 realize the communication resources as described in the embodiment of the present application Determine the method.
  • the first communication node further includes: a communication device 63 , an input device 64 and an output device 65 .
  • the processor 61, the storage device 62, the communication device 63, the input device 64 and the output device 65 in the first communication node may be connected through a bus or in other ways. In FIG. 6, connection through a bus is taken as an example.
  • the input device 64 can be used to receive input numbers or character information, and generate key signal input related to user settings and function control of the first communication node.
  • the output device 65 may include a display device such as a display screen.
  • the communication device 63 may include a receiver and a transmitter.
  • the communication device 63 is configured to perform data sending and receiving communication according to the control of the processor 61 .
  • the storage device 62 can be configured to store software programs, computer-executable programs and modules, such as the program instructions/modules corresponding to the communication resource determination method described in the embodiment of the present application (for example, the communication resource determination device The processing module 41 and the sending module 42) in.
  • the storage device 62 may include a program storage area and a data storage area, wherein the program storage area may store an operating system and at least one application required by a function; the data storage area may store data created according to the use of the device, and the like.
  • the storage device 62 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage devices.
  • the storage device 62 may further include memories that are set remotely relative to the processor 61, and these remote memories may be connected to the first communication node through a network. Examples of the aforementioned networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • the embodiment of the present application provides a second communication node
  • FIG. 7 is a schematic structural diagram of the second communication node provided in the embodiment of the present application.
  • the second communication node provided by the present application includes one or more processors 71 and storage devices 72; there may be one or more processors 71 in the second communication node, and in FIG. 7 a
  • the processor 71 is an example; the storage device 72 is used to store one or more programs; the one or more programs are executed by the one or more processors 71, so that the one or more processors 71 realize the present invention Apply the communication method described in the examples.
  • the second communication node further includes: a communication device 73 , an input device 74 and an output device 75 .
  • the processor 71, the storage device 72, the communication device 73, the input device 74 and the output device 75 in the second communication node may be connected through a bus or in other ways. In FIG. 7, connection through a bus is taken as an example.
  • the input device 74 can be used to receive input numbers or character information, and generate key signal input related to user settings and function control of the second communication node.
  • the output device 75 may include a display device such as a display screen.
  • the communication device 73 may include a receiver and a transmitter.
  • the communication device 73 is configured to perform data sending and receiving communication according to the control of the processor 71 .
  • the storage device 72 can be configured to store software programs, computer-executable programs and modules, such as the program instructions/modules corresponding to the communication method described in the embodiment of the present application (for example, the processing module in the communication device 51 and blind detection module 52).
  • the storage device 72 may include a program storage area and a data storage area, wherein the program storage area may store an operating system and an application program required by at least one function; the data storage area may store data created according to the use of the device, and the like.
  • the storage device 72 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage devices.
  • the storage device 72 may further include memories that are remotely located relative to the processor 71, and these remote memories may be connected to the second communication node through a network.
  • Examples of the aforementioned networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • the embodiment of the present application also provides a storage medium, the storage medium stores a computer program, and when the computer program is executed by a processor, any method described in the present application is implemented, the storage medium stores a computer program, and the computer When the program is executed by the processor, the method described in any one of the embodiments of the present application is implemented.
  • the communication resource determination method is applied to the first communication node, and the method includes:
  • Numbering the frequency domain resource units, and determining multiple frequency domain resource units after numbering, the frequency domain resource units are all resource blocks in a resource block set on an interlace;
  • Data is transmitted on the communication resource.
  • the communication method, applied to the second communication node includes:
  • Numbering the frequency-domain resource units, and determining multiple frequency-domain resource units after numbering, the frequency-domain resource units are all resource blocks in a set of resource blocks on an interlace;
  • the computer storage medium in the embodiments of the present application may use any combination of one or more computer-readable media.
  • the computer readable medium may be a computer readable signal medium or a computer readable storage medium.
  • a computer-readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device, or device, or any combination thereof.
  • Examples (non-exhaustive list) of computer-readable storage media include: electrical connections with one or more conductors, portable computer disks, hard disks, Random Access Memory (RAM), Read Only Memory (Read Only) Memory, ROM), Erasable Programmable Read Only Memory (Erasable Programmable Read Only Memory, EPROM), flash memory, optical fiber, portable CD-ROM, optical storage device, magnetic storage device, or any suitable combination of the above.
  • a computer readable storage medium may be any tangible medium that contains or stores a program for use by or in connection with an instruction execution system, apparatus, or device.
  • a computer readable signal medium may include a data signal carrying computer readable program code in baseband or as part of a carrier wave. Such propagated data signals may take many forms, including but not limited to: electromagnetic signals, optical signals, or any suitable combination of the foregoing.
  • a computer-readable signal medium may also be any computer-readable medium other than a computer-readable storage medium, which can send, propagate, or transmit a program for use by or in conjunction with an instruction execution system, apparatus, or device. .
  • Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wires, optical cables, radio frequency (Radio Frequency, RF), etc., or any suitable combination of the above.
  • any appropriate medium including but not limited to: wireless, wires, optical cables, radio frequency (Radio Frequency, RF), etc., or any suitable combination of the above.
  • Computer program codes for performing the operations of the present application may be written in one or more programming languages or combinations thereof, including object-oriented programming languages such as Java, Smalltalk, C++, and conventional A procedural programming language, such as the "C" language or similar programming language.
  • the program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server.
  • the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or it may be connected to an external computer such as use an Internet service provider to connect via the Internet).
  • LAN Local Area Network
  • WAN Wide Area Network
  • user terminal covers any suitable type of wireless user equipment, such as a mobile phone, a portable data processing device, a portable web browser or a vehicle-mounted mobile station.
  • the various embodiments of the present application can be implemented in hardware or special purpose circuits, software, logic or any combination thereof.
  • some aspects may be implemented in hardware, while other aspects may be implemented in firmware or software, which may be executed by a controller, microprocessor or other computing device, although the application is not limited thereto.
  • Embodiments of the present application may be realized by a data processor of a mobile device executing computer program instructions, for example in a processor entity, or by hardware, or by a combination of software and hardware.
  • Computer program instructions may be assembly instructions, Instruction Set Architecture (ISA) instructions, machine instructions, machine-related instructions, microcode, firmware instructions, state setting data, or written in any combination of one or more programming languages source or object code.
  • ISA Instruction Set Architecture
  • Any logic flow block diagrams in the drawings of the present application may represent program steps, or may represent interconnected logic circuits, modules and functions, or may represent a combination of program steps and logic circuits, modules and functions.
  • Computer programs can be stored on memory.
  • the memory may be of any type suitable for the local technical environment and may be implemented using any suitable data storage technology, such as but not limited to Read-Only Memory (ROM), Random Access Memory (RAM), Optical Memory devices and systems (Digital Video Disc (DVD) or Compact Disk (CD)), etc.
  • Computer readable media may include non-transitory storage media.
  • Data processors can be of any type suitable for the local technical environment, such as but not limited to general purpose computers, special purpose computers, microprocessors, digital signal processors (Digital Signal Processing, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC ), programmable logic devices (Field-Programmable Gate Array, FPGA), and processors based on multi-core processor architectures.
  • DSP Digital Signal Processing
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • processors based on multi-core processor architectures.

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

Abstract

La présente invention concerne un procédé de détermination de ressources de communication, un procédé de communication, un nœud de communication, et un support. Le procédé de détermination de ressources de communication comporte les étapes consistant à: numéroter des unités de ressources du domaine fréquentiel, et déterminer une pluralité d'unités numérotées de ressources du domaine fréquentiel, les unités de ressources du domaine fréquentiel étant tous les blocs de ressources d'un ensemble de blocs de ressources sur un entrelacement (S110); déterminer un groupement de ressources d'après les unités numérotées de ressources du domaine fréquentiel (S120); sélectionner une ressource de communication dans le groupement de ressources (S130); et émettre des données sur la ressource de communication (S140).
PCT/CN2022/135556 2021-12-20 2022-11-30 Procédé de détermination de ressources de communication, procédé de communication, nœud de communication, et support WO2023116378A1 (fr)

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CN202111564888.8A CN115866765A (zh) 2021-12-20 2021-12-20 一种通信资源确定方法、通信方法、通信节点及介质
CN202111564888.8 2021-12-20

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