[go: up one dir, main page]

WO2011003305A1 - Procédé d'indication de distribution de ressources - Google Patents

Procédé d'indication de distribution de ressources Download PDF

Info

Publication number
WO2011003305A1
WO2011003305A1 PCT/CN2010/073192 CN2010073192W WO2011003305A1 WO 2011003305 A1 WO2011003305 A1 WO 2011003305A1 CN 2010073192 W CN2010073192 W CN 2010073192W WO 2011003305 A1 WO2011003305 A1 WO 2011003305A1
Authority
WO
WIPO (PCT)
Prior art keywords
dru
base station
allocated
bits
logical resource
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2010/073192
Other languages
English (en)
Chinese (zh)
Inventor
刘向宇
夏薇
关艳峰
刘颖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Publication of WO2011003305A1 publication Critical patent/WO2011003305A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094—Indication of how sub-channels of the path are allocated

Definitions

  • the present invention relates to the field of communications, and in particular to a resource allocation indication method.
  • BACKGROUND In a wireless communication system in which a base station performs centralized scheduling control, scheduling allocation of all available resources of the system is performed by a base station, for example, a resource allocation situation when the base station performs downlink transmission and a time that the terminal can use when performing uplink transmission. Resource situation, etc.
  • resource allocation it is necessary to transmit resource allocation messages in the downlink direction. If a reasonable and effective message generation method is used to transmit data, the downlink resources of the system will be wasted, thereby reducing the downlink transmission efficiency of the system.
  • the base station may use different methods and different messages for resource indication, for example, in the IEEE802.16d/e downlink, for a two-dimensional time domain-frequency domain resource block, for each
  • the base station gives multiple information such as the start of the time domain symbol, the length of the time domain symbol, the start of the frequency domain channel, the frequency domain channel offset, etc. in the resource allocation control information, and the user has the unique information.
  • the resource allocation indication method based on the triangle-binary combination tree is currently used. Although the above method has a small overhead, the indication manner is relatively fixed and the flexibility is poor, thereby limiting the scheduling flexibility.
  • the present invention has been made in view of the problem that the current resource allocation indication method existing in the related art cannot effectively indicate various resource allocation situations. To this end, the present invention aims to provide an improved resource allocation indication scheme for Solve the above problem.
  • a resource allocation indication method is provided.
  • the resource allocation indication method according to the present invention includes: The base station transmits resource allocation information to the terminal, where the resource allocation information indicates the number and/or the starting location of the logical resource units allocated by the base station.
  • the start bit indicated by the resource allocation information Set to one of the possible starting positions of Y in the X species.
  • ⁇ ⁇ ⁇ , 0 ⁇ ⁇ ⁇ , ⁇ is the maximum number of logical resource units that can be allocated.
  • the starting position indicated by the resource allocation information is X possible starting positions.
  • the method before the sending the resource allocation information, the method further includes: the base station consecutively numbering the logical resource units included in all the frequency partitions.
  • the logical resource unit comprises a distributed resource unit and/or a centralized resource unit,
  • the centralized resource units in the partition are numbered consecutively.
  • the method before the sending of the resource allocation information, the method further includes: the base station separately performing sequential sequential numbering on the logical resource units included in each frequency partition.
  • the logical resource unit comprises a distributed resource unit and/or a centralized resource unit,
  • the distributed source cells in the frequency partitions of the valleys are consecutively numbered consecutively; the centralized resource units in each frequency partition are serially numbered consecutively.
  • the set of the number of logical resource units that the base station can allocate is A, ⁇ and C are subsets of A, and the union of B and C is equal to A.
  • B and C satisfy one of the following conditions: The elements in B are all smaller than the elements in C.
  • the method further includes: the base station consecutively numbering the logical resource units included in all the frequency partitions.
  • the logical resource unit comprises a distributed resource unit and/or a centralized resource unit, one of which is less: consecutive sequential numbering of distributed resource units in all frequency partitions; continuous ordering of centralized resource units in all frequency partitions Numbering.
  • the method before the sending the resource allocation information, the method further includes: the base station separately serially numbers the logical resource units included in the respective frequency partitions.
  • the logical resource unit comprises a distributed resource unit and/or a centralized resource unit,
  • the base station separately serializes the centralized resource units in each frequency partition.
  • the logical resource unit is divided into L groups, G l G 2 , . . . , G L , and each group has Ni, N 2 , ..., N L resource units, and all resource allocation information Some of the bits in the bit indicate the group in which the assigned logical resource unit is located, and the remaining bits indicate the assigned logical resource unit in the group.
  • G L have at least two groups intersecting, wherein at least two groups intersecting: at least i ⁇ j, l ⁇ i ⁇ j ⁇ L, G and G”
  • the logical resource units in Gj are different.
  • the logical resource units allocated by the base station are not completely consecutive logical resource units.
  • the logical resource unit is divided into sub-bands, and the sub-bands are divided into K groups, Si, s 2 , ..., S K , and each group has N l N 2 , ..., ⁇ ⁇ sub-bands
  • Some of the bits of the resource allocation information indicate the group in which the allocated logical resource unit is located, and the remaining bits indicate the allocated sub-bands in the group.
  • the groups Si, S 2 , ..., S L have at least two groups intersecting, wherein at least two groups intersect:: i ⁇ j, l ⁇ i ⁇ j ⁇ K, 8 1 and S"
  • Subbands are not the same.
  • the sub-bands allocated by the base station are sub-bands that are not completely continuous.
  • the resource allocation indication method further includes: determining, by the base station, the number of bits occupied by the resource allocation information according to the system bandwidth.
  • the system bandwidth includes a first type of bandwidth, a second type of bandwidth, and a type W bandwidth, wherein the number of bits occupied by the resource allocation information is B 1 B 2 , ... .. And B w , respectively corresponding to the first type of bandwidth, the second type of bandwidth, ..., and the type W bandwidth, wherein B 1 B 2 , ... , and B w Values are partially identical or completely different from each other.
  • the values of BB 2 , , and B w are completely different to mean: For any i ⁇ j (l ⁇ i ⁇ j ⁇ W), B# Bj.
  • the i-th type of bandwidth has a different number of points of the IFFT and/or FFT corresponding to the j-th type of bandwidth.
  • FIG. 1 is a schematic diagram of a logical resource unit of a 5 MHz bandwidth system according to an embodiment of the present invention.
  • the resource in the embodiment of the present invention refers to an uplink resource or a downlink resource.
  • the CRU is a Continus Logical Resource Unit (CLRU)
  • the DRU is a Distributed Logical Resource Unit (DLRU)
  • the Subband is a sub-band. (such as 4) Consecutive CRU composition.
  • Embodiment 1 As shown in FIG. 1, in this embodiment, a 5 MHz system (using a 512-point FFT) is supported, and there is one frequency partition (Frequency Partition, FP for short), FP.
  • the base station when the base station allocates the resources of the corresponding DRU, the base station often performs continuous allocation, that is, the number of the DRUs allocated to one user at a time is continuous, in order to be able to indicate the corresponding DRU. Location and length, the base station will use 8 bits in each unicast basic allocation control information (such as AMAP-IE information) to indicate the allocation of the corresponding DRU. The base station first will FP. A total of 12 DRUs are renumbered in a specific order to
  • DRUo, DRUi, DRU 2 , , DRU U for example, will FP.
  • the 12 DRUs in it ie DRU in FP 0. ⁇ DRU U
  • ⁇ DRU U are numbered DRU.
  • ⁇ DRU U and then use the two parameters of the assigned DRU's initial replay number and the number of allocated DRUs to uniquely determine the content of the 8-bit indication signaling, for example, when assigning a DRU to the user, and assigning DRU.
  • the base station in order to allocate a DRU to a user, the base station sends indication signaling to the user, where the 8-bit indication signaling of the DRU is 0x43, and the user receives the indication signaling, according to the above table 1.
  • the base station allocates 3 DRUs to the user, and its logical number starts from 9, that is, allocates 5 DRUs of ⁇ 9, 10, 11 ⁇ , that is, allocates ⁇ 9, 10, 11 ⁇ of FPQs. DRU is given to this user.
  • Embodiment 2 In this embodiment, a 5 MHz (using 512-point FFT) system is supported, in which there are 4 frequency partitions, i.e., FP.
  • each of the above frequency partitions has 12, 4, 4, 4 DRUs.
  • the base station is allocated corresponding In the case of DRU resources, continuous allocation is often performed, that is, the number of the DRUs allocated to one user at a time is continuous.
  • the base station will basically allocate control information in each unicast (for example) 8 bits are used in AMAP-IE) to indicate the allocation of the corresponding DRU. The base station first will FP.
  • a total of 24 DRUs in FPi, FP 2 , and FP 3 are renumbered into DRUo, DRUi, DRU 2 , DRU 22 , DRU 23 in a specific order, for example, in the order from FP 0 to FP 3 , respectively.
  • ⁇ 1 12 DRUs in FPo ie DRU in FP 0. ⁇ DRU U
  • the number is DRU.
  • ⁇ DRU U the four in the DRU FPi (i.e. FPi in DRU. ⁇ DRU 3) numbered DRU 12 ⁇ DRU 15, FP 2 to 4 the DRU (i.e. in FP 2 DRU 0 ⁇ DRU 3) No.
  • DRU 16 ⁇ DRU 19, in the FP 3 4 th DRU (i.e. in FP 3 DRU. ⁇ DRU 3) number DRU 2 Q ⁇ DRU 23, and starting with the DRU allocation and the allocation number series further
  • DRU is divided into 8 bits indicating signaling
  • the number of DRUs is in hexadecimal form, the number on the left is the number of different start bits.
  • the base station in order to allocate a DRU to a user, the base station sends the indication signaling to the user, where the 8-bit indication signaling of the DRU is 0x43, and the user receives the indication signaling, according to the above table 2. It is concluded that the base station allocates 3 DRUs to the user, and its logical number starts from 20, that is, three DRUs of ⁇ 20, 21, 22 ⁇ are allocated, that is, the ⁇ 0, 1, 2 ⁇ to which FP 3 is allocated. DRU to the user.
  • Embodiment 3 In this embodiment, a 10 MHz system (which uses a 1024-point FFT) is supported, in which there are 4 frequency partitions, i.e., FP.
  • each of the above frequency partitions has 24, 8 , 8 8 LRUs respectively, wherein there are 24, 8 , 8 8 DRUs in each frequency partition, ie, all LRUs are all DRUs.
  • the base station Due to the carrier distribution characteristics of the DRU on the frequency i or above, the base station often performs continuous allocation when allocating corresponding DRU resources, that is, the logical number of the DRU allocated to one user at a time is continuous, in order to be able to indicate the corresponding DRU location. And length, the base station will use 10 bits in each unicast basic allocation control information to indicate the allocation of the corresponding DRU.
  • the base station first renumbers a total of 48 DRUs in FP 0 , FPi , FP 2 , and FP 3 into DRUs in a particular order. , DRUi, DRU 2 , , DRU 46 , DRU 47 , for example, follow the FP.
  • 24 DRUs in ⁇ 1 FP 0 are numbered as DRU.
  • ⁇ DRU 23 in the eight the DRU FPi (i.e. FPi in DRU. ⁇ DRU 7) numbered DRU 24 ⁇ DRU 31, the FP 2 8 the DRU (i.e., FP 2 DRU. ⁇ DRU 7) No.
  • DRU 32 ⁇ DRU 39, the FP 3 8 th in the DRU (i.e. in FP 3 DRU. ⁇ DRU 7) numbered DRU 4.
  • ⁇ DRU 47 then uniquely determine the content of the 10-bit indication signaling by using the two parameters of the initial DRU of the assigned DRU and the number of allocated DRUs, for example, when assigning a DRU to the user, and assigning In DRUo, when 10 bits are used as the leading bit or the high bit is first) 0x00, when the user is assigned a DRU and the DRUi is allocated, 10 bits are used as the (lower bit first) 0x200 Or (when the high order bit is first) 0x001, when assigning a DRU to the user, and assigning DRU 2 , using 10 bits to indicate that the bit bit is first) 0x100 or
  • DRUo when 10 bits are used as the leading bit) 0x030 or (high bit is first) 0x030, when the user is assigned 2 DRUs and the DRU ⁇ DRU 2 is allocated, 10 bits are used. When the bit is in the front) 0x230 or (when the high bit is first)
  • DRU starting position number 10 bits of indication signaling (the table is in 16-digit form, the left side is high)
  • the base station sends the indication signaling to the user in order to allocate the DRU to the user, where the 10-bit indication signaling of the DRU is 0xb9, and the user receives the indication signaling, and can be learned according to the above table 3.
  • the base station allocates 4 DRUs to the user, and its logical number starts from 44, that is, ⁇ 44, 45, 46, 47 ⁇ 4 DRUs are allocated to the user, that is, ⁇ 4, 5, 6, assigned FP 3 , 7 ⁇ DRU to the user.
  • a _ is provided with a 20 MHz system, wherein there are 4 frequency partitions, that is, FP, FPi, FP 2 , FP 3 , each of the above frequency partitions has 24, 24, 24, 24 LRUs, wherein there are 12, 24, 24, 24 DRUs in each frequency partition.
  • the base station Due to the carrier distribution characteristics of the DRU on the frequency i or above, the base station often performs continuous allocation when allocating corresponding DRU resources, that is, the logical number of the DRU allocated to one user at a time is continuous, in order to be able to indicate the corresponding DRU location. And length, the base station will use 12 bits in each unicast basic allocation control information to indicate the allocation of the corresponding DRU.
  • the base station first will FP.
  • a total of 84 DRUs in FPi, FP 2 , and FP 3 are renumbered to DRUo, DRUi, DRU 2 , DRU 82 , DRU 83 in a specific 1-page order, for example, in order from FP 0 to FP 3 , ⁇ 1 FPo respectively in the DRU 12 (i.e. DRU. ⁇ DRU U FP 0 in) number DRU.
  • ⁇ DRU U the FPi in the DRU 24 (i.e., in DRU. ⁇ DRU 23 FPi) numbered DRU 12 ⁇ DRU 35, will in the DRU the FP 2 24 (i.e., the FP 2 DRU 0 ⁇ DRU 23) No.
  • DRU 36 ⁇ DRU 59
  • the FP 24 3 DRU i.e. in FP 3 DRU 0 ⁇ DRU 24
  • numbered DRU 6 Q ⁇ DRU 83 starting with the DRU allocation and the allocation number series further
  • DRU starting position number 12-bit indication signaling (tables in 16-digit form, left side high)
  • the base station sends the indication signaling to the user in order to allocate the DRU to the user, where the 12-bit indication signaling of the DRU is Oxbe, and the user receives the indication signaling, according to the above table 4. It is determined that the base station has allocated 2 DRUs to the user, and its logical number starts from 94, that is, the DRU ⁇ 94, 95 ⁇ is assigned to the user, that is, the DRU ⁇ 22, 23 ⁇ to which the FP 3 is assigned to the user.
  • the logical resource unit (LRU) for indicating the current allocation is a distributed resource unit (DRU).
  • the base station can be indicated by one of the following methods: Mode 1: Performing a specific resource allocation indication (for example, 8 bits mentioned below) Before the indication), a dedicated bit indicates the corresponding type, for example, a bit value of "0" indicates a DRU, a bit value of "1" indicates a CRU, or a bit value of "0" indicates a CRU, and a bit value of "1" indicates DRU.
  • Manner 2 In the information type (IE Type) field of resource allocation control information (such as AMAP-IE), an identifier occupying thousands of bits (such as 4 bits) is used to identify the DRU or CRU type.
  • IE Type information type
  • the binary ObOO11 is used to indicate that the current control information is the downlink basic allocation control information
  • the DRU type is allocated
  • the binary 0b0100 is used to indicate that the current control information is the downlink basic allocation control information.
  • the allocation is CRU type
  • the binary 0b0101 is used to indicate that the current control information is the uplink basic allocation control information
  • the DRU type is allocated
  • the binary ObOllO is used to indicate that the current control information is the uplink basic allocation control information
  • the allocated It is a CRU type.
  • the allocated resource preferably, when the allocated resource is smaller than the maximum allocation granularity, the length and the starting position of the allocated DRU are uniformly indicated, and in the allocation When the resource is greater than (or equal to) the maximum allocation granularity, a method of indicating the length and the starting position of the allocated DRU using different bits is respectively performed.
  • Example 5 there is a 5 MHz system with only one frequency partition FPo and 24 DRUs. Due to the carrier distribution characteristics of the DRU in the frequency domain, the base station often performs continuous allocation when allocating corresponding DRU resources. That is, the logical number of the DRU assigned to one user at a time is continuous.
  • the base station uses 7 bits in the unicast basic allocation control information element to indicate resource allocation information. .
  • the extended unicast basic allocation control information element is used to indicate resource allocation information. The base station first renumbers the 24 DRUs into DRUs in a particular order. , DRUi, DRU 2 , , DRU 22 , DRU 23 , and then use the assigned DRU's initial renumber and assigned
  • 7 bits are used to represent the allocation information. For example, when a user is assigned a DRU and the DRU is assigned. When using 7 bits, it is represented as 0000000 (the index indicated by decimal is 0); when a DRU is assigned to the user, and DRUi is allocated, 7 bits are used as 0000001 (the index of the decimal representation is 1); When a user allocates one DRU and allocates DRU 2 , it uses 7 bits to represent 0000010 (the index of the decimal representation is 2), ...; when the user is assigned 2 DRUs, and the DRU is allocated.
  • the 7-bit representation is 0011000 (the index of the decimal representation is 24); when the user is assigned 2 DRUs and the DRU and DRU 2 are assigned, the 7-bit representation is 00110001 (indicated index in decimal notation) 25); and so on, when the user allocates 15 DRUs (DRU 9 to DRU 23 ), the 7-bit signaling is encoded as 1110111 (the index index in decimal is 119).
  • Table 5 When the high order bit is used, it will be as shown in Table 5 below: Table 5
  • the number of DRUs is different (decimal number)
  • the number of starting positions is different (decimal number)
  • the number of starting positions is different (decimal number)
  • the base station sends a basic allocation control information element of the DRU allocation type to the user in order to allocate a DRU with a maximum granularity of no more than 15 to the user.
  • the control information element an identifier occupying thousands of bits (such as 4 bits) is used to identify that the allocated resource is a DRU type, and the maximum granularity does not exceed 15 logical resource blocks. If the 7-bit indication signaling in the basic allocation control information unit is 100011 (the decimal is 67), the user receives the indication signaling, and according to the above Table 5, the base station allocates 3 DRUs to the user, and the logic thereof The number starts at 20, that is, the three DRUs ⁇ 20, 21, 22 ⁇ are assigned to the user.
  • the base station transmits an extended basic allocation control information unit of a DRU allocation type to the user in order to allocate a DRU having a maximum granularity of more than 15 to a certain user.
  • an identifier of thousands of bits (such as 4 bits) is used to identify the allocated resource as a DRU type, and the number of allocated resources exceeds 15 logical resource blocks.
  • the 9-bit indication signaling is 001000010.
  • the user receives the indication signaling, and the unit that knows the allocation of the first 4 bits of the analysis starts from the 4th DRU (DRU 3 ), and the 4 bits of the learned resource size is 18 DRUs.
  • Embodiment 6 In this embodiment, a 10 MHz system is supported, wherein there are 4 frequency partitions, namely, FPo, FPi, FP 2 , and FP 3.
  • the above frequency partitions have 24, 8, 8, and 8 LRUs respectively.
  • DRUs in the LRUs of each frequency partition there are 24, 8, 8, 8 DRUs in the LRUs of each frequency partition, that is, all LRUs are DRUs. Due to the carrier distribution characteristics of the DRU in the frequency domain, the base station allocates resources of the corresponding DRU. At the same time, continuous allocation is often performed, that is, the number of the DRUs assigned to one user at a time is continuous. The base station first will FP.
  • a total of 48 DRUs in FPi, FP 2 , and FP 3 are renumbered as DRUo, DRUi, DRU 2 , DRU 46 , DRU 47 in a specific 1-page order, for example, in order from FP 0 to FP 3 , ⁇ 1 FPo respectively in the DRU 24 (i.e.
  • DRU. ⁇ DRU 23 FP 0 in) number DRU. ⁇ DRU 23, in the eight the DRU FPi (i.e. FPi in DRU. ⁇ DRU 7) numbered DRU 24 ⁇ DRU 31, the FP 2 8 the DRU (i.e., FP 2 DRU. ⁇ DRU 7) No. DRU 32 ⁇ DRU 39, the FP 3 8 th in the DRU (i.e. in FP 3 DRU. ⁇ DRU 7) numbered DRU 4. ⁇ DRU 47 .
  • the base station uses 8 bits in the unicast basic allocation control information element to indicate resource allocation information for the case where the allocated resource size does not exceed 22 DRUs.
  • the extended unicast basic allocation control information element is used to indicate resource allocation information.
  • the allocation granularity is less than 22 DRUs
  • 8 bits are used to represent the allocation information. For example, when a DRU is assigned to a user and DRUQ is assigned, 8-bit representation is used as 00000000 (the index of the decimal representation is 0); when a DRU is assigned to the user, and the DRU is assigned, an 8-bit representation is used.
  • the base station transmits a basic allocation control information unit of a DRU allocation type to the user in order to allocate a DRU having a maximum granularity of not more than 22 to a certain user.
  • a control information element an identifier of a thousand bits (such as 4 bits) is used to identify that the allocated resource is a DRU type, and the maximum granularity does not exceed 22 logical resource blocks.
  • the 8-bit indication signaling is 10111010 (decimal is 186), and the user receives the indication signaling.
  • the base station allocates 4 DRUs to the user, and the renumbering number starts from 44, that is, the allocation.
  • ⁇ 44, 45, 46, 47 ⁇ 4 DRUs are given to the user, that is, ⁇ 4, 5, 6, 7 ⁇ DRUs of FP 3 are assigned to the user.
  • 10 bits are used to represent the allocation information, wherein the first 6 bits represent the allocated starting position, and the last 4 bits represent the allocation size (23 to 48).
  • the first 6 bits 000000 are represented: the position is DRUo, and the last 4 t ⁇ 0000 indicates that the division is 3 ⁇ 4. It is 23 DRUs.
  • the base station transmits an extended basic allocation control information unit of the DRU allocation type to the user.
  • an identifier of thousands of bits (such as 4 bits) is used to identify that the allocated resource is a DRU type, and the number of allocated resources exceeds 22 logical resource blocks.
  • the 10-bit indication signaling is 0000000001, and the user receives the indication signaling, and the first 6 bits of the parsing are determined to start from the first DRU (DRU.;), and the 4-bit known resource size is 24 DRUs after parsing. .
  • Example 7 In this embodiment, a 20 MHz system is provided, of which there is one frequency partition FP.
  • the frequency partition has 96 LRUs, including 96 DRUs.
  • the base station allocates resources of the corresponding DRUs, because of the carrier distribution characteristics of the DRUs in the frequency domain, continuous allocation is often performed, that is, one for each time.
  • the logical number of the user's DRU is continuous.
  • the base station first renumbers the 96 DRUs into DRUs in a particular order. , DRUi, DRU 2 , , DRU 95 .
  • the base station uses 10 bits in the unicast basic allocation control information element to indicate resource allocation information for the case where the allocated resource size does not exceed 44 DRUs.
  • the DRU allocation exceeding the maximum granularity indicates the resource allocation information using the extended unicast basic allocation control information element.
  • the allocation granularity is less than 44 DRUs, 10 bits are used to indicate allocation information, for example, when a DRU is assigned to a user, and a DRU is allocated.
  • the representation is 0000000000 (the index indicated by the decimal index is 0), when the user is assigned a DRU, and the sub-S ⁇ is the DRX ⁇ day size, and the 10 t ⁇ is expressed as 0000000001 (the indication of the decimal indication)
  • the index is 1), when a DRU is assigned to the user, and DRU 2 is allocated, 10 bits are used as 00000010 (the index index in decimal is 2), when the user is assigned 2 DRUs, and the DRUQ is allocated.
  • DRUi 10 bits are used as 0101001 (the index index in decimal is 81).
  • a basic allocation control information unit of a DRU allocation type is transmitted to the user.
  • an identifier occupying thousands of bits (such as 4 bits) is used to identify the allocated resource as a DRU type, and the maximum granularity does not exceed 44 logical resource blocks.
  • the 10-bit indication signaling is 0010111010 (decimal is 190), and the user receives the indication signaling.
  • the base station allocates two DRUs to the user, and the serial number starts from 94, that is, , assigned DRU ⁇ 94, 95 ⁇ to the user.
  • the base station transmits an extended basic allocation control information unit of the DRU allocation type to the user.
  • an identifier of thousands of bits (such as 4 bits) is used to identify the allocated resource as a DRU type, and the number of allocated resources exceeds 44 logical resource blocks.
  • the 13-bit indication signaling is 0000010 000010
  • the user connects 4 il il the 4 signaling
  • the first 7 t ⁇ ⁇ ⁇ ⁇ ⁇ unit starts from the 3rd DRU (DRU 2 )
  • 6 bits after parsing The size of the allocated resources is known to be 47 DRUs.
  • Embodiment 8 In this embodiment, a 7 MHz system is supported (the system uses a 1024-point FFT;), wherein there are 4 frequency partitions, that is, FPo, FPi, FP 2 , and FP 3 , and each frequency partition has 24, respectively. 8, 8, 8 LRUs, wherein there are 24, 8, 8, 8 DRUs in each LRU of each frequency partition, that is, all LRUs are DRUs.
  • the base station when the base station allocates resources of the corresponding DRU, the base station often performs continuous allocation, that is, the number of the DRUs allocated to one user at a time is continuous, in order to be able to Indicating the corresponding DRU location and length, the base station will use 10 bits in each unicast basic allocation control information to indicate the allocation of the corresponding DRU.
  • the base station first will FP.
  • a total of 48 DRUs in FPi, FP 2 , and FP 3 are renumbered to DRUo, DRUi, DRU 2 , DRU 46 , DRU 47 in a specific 1-page order, for example, in order from FP 0 to FP 3 , ⁇ 1 FPo respectively in the DRU 24 (i.e. DRU. ⁇ DRU 23 FP 0 in) number DRU. ⁇ DRU 23, in the eight the DRU FPi (i.e. FPi in DRU. ⁇ DRU 7) numbered DRU 24 ⁇ DRU 31, the FP 2 8 the DRU (i.e., FP 2 DRU. ⁇ DRU 7) No.
  • DRU 32 ⁇ DRU 39, in the FP 3 8 th DRU (i.e. in FP 3 DRU. ⁇ DRU 7) numbered DRU 4 Q ⁇ DRU 47, and starting with the DRU allocation and the allocation number series further
  • 10 bits are used to indicate that the bit bit is first or the high bit is first) 0x00; when a DRU is assigned to the user, and DRUi is allocated, Use 10 bits to indicate (when the bit is first) 0x200 or (when the high bit is first) 0x001 ; When assigning a DRU to the user, and assigning DRU 2 When 10 bits are used as the bit before the bit) 0x100 or (the high bit is first) 0x002; When the user is assigned 2 DRUs and the DRU 0 and DRUi are allocated, 10 bits are used as the clamp When the bit is first) 0x030 or (when the upper bit is first) 0x030; When the user is assigned 2 DRUs and the DRU DRU 2 is allocated, 10 bits are used as (lower bits first) 0x230 or (high bits) In the former) 0x031.
  • the base station sends an indication signaling to the user in order to allocate a DRU to the user, where the 10-bit indication signaling of the DRU is 0xb9, and the user receives the indication signaling, and the base station can be obtained according to the above table.
  • Four DRUs are assigned to the user, and their logical number starts from 44, that is, ⁇ 44, 45, 46, 47 ⁇ 4 DRUs are assigned, that is, ⁇ 4, 5, 6, 7 ⁇ to which FP 3 is assigned. DRU is given to this user.
  • Embodiment 9 In this embodiment, an 8.75 MHz system is used (the system uses a 1024-point FFT), and there are 4 frequency partitions, that is, FP.
  • each frequency partition has 24, 8, 8, 8 LRUs, among which there are 24, 8, 8, 8 DRUs in each frequency partition, ie, all LRUs It is DRU. Due to the carrier distribution characteristics of the DRU on the frequency i or above, when the base station allocates the resources of the corresponding DRU, the base station often performs continuous allocation, that is, each time the number of the DRU allocated to one user is consecutive, in order to be able to indicate the corresponding DRU location and length, the base station will use 10 bits in each unicast basic allocation control information to indicate the allocation of the corresponding DRU. The base station first will FP.
  • a total of 48 DRUs in FPi, FP 2 , and FP 3 are renumbered as DRUo, DRUi, DRU 2 , DRU 46 , DRU 47 , for example, from FP 0 to FP 3 in a specific order; order, respectively ⁇ 1 FPo in the DRU 24 (i.e., the FP 0 DRU. ⁇ DRU 23) number DRU. ⁇ DRU 23, in the eight the DRU FPi (i.e. FPi in DRU. ⁇ DRU 7) numbered DRU 24 ⁇ DRU 31, the FP 2 8 the DRU (i.e., FP 2 DRU. ⁇ DRU 7) Edit No.
  • DRU 32 ⁇ DRU 39, in the FP 3 8 th DRU (i.e. in FP 3 DRU. ⁇ DRU 7) numbered DRU 4 Q ⁇ DRU 47, and starting with the DRU allocation and the allocation number series further
  • DRU starting position number 10 bits of indication signaling (the table is in 16-digit form, the left side is high)
  • the base station sends the indication signaling to the user in order to allocate the DRU to the user, where the 10-bit indication signaling of the DRU is 0xb9, and the user receives the indication signaling, according to the above table.
  • the base station allocates 4 DRUs to the user, and its logical number starts from 44, that is, ⁇ 44, 45, 46, 47 ⁇ 4 DRUs are allocated, that is, ⁇ 4, 5, 6, 7 ⁇ assigned FP 3 DRU is given to this user.
  • Embodiment 10 In this embodiment, a “5 MHz system” is provided, and only one frequency partition FPo has 24 DRUs.
  • the base station uses 7 bits in the unicast basic allocation control information element to indicate resource allocation information.
  • the extended unicast basic allocation control information element is used to indicate resource allocation information. The base station first renumbers the 24 DRUs into DRUs in a particular order. , DRUi, DRU 2 , , DRU 22 , DRU 23 , and then use the assigned DRU's initial renumber and assigned
  • the allocation granularity is less than 15 DRUs or the allocation granularity is 17 DRUs
  • 7 bits are used to indicate allocation information. For example, when a DRU is assigned to a user and DRU 0 is assigned, 7 bits are used to represent 0000000 (the index of the decimal representation is 0); when the user is assigned a DRU, and the sub-S?
  • the number of DRUs is different (decimal number)
  • the number of starting positions is different (decimal number)
  • the number of starting positions is different (decimal number)
  • the base station sends a basic allocation control information unit of the DRU allocation type to the user in order to allocate a DRU with a maximum granularity of no more than 15 or an allocated number equal to 17 to a certain user.
  • a control information element an identifier occupying thousands of bits (such as 4 bits) is used to identify the allocated resource as a DRU type, and the maximum granularity is no more than 15 or the allocated number is equal to 17 logical resource blocks.
  • the base station allocates 3 DRUs to the user, and The number starts at 20, that is, the three DRUs ⁇ 20, 21, 22 ⁇ are assigned to the user.
  • the allocation granularity is greater than 15 DRUs and not equal to 17 DRUs
  • 8 bits are used to represent the allocation information, wherein the first 5 bits represent the allocated starting position, and the last 3 bits represent the allocation size (16, 18 ⁇ 24) ).
  • the first 4 bits 00000 indicate that the starting position is DRU.
  • the last 3 bits 000 indicate that the allocated resource size is 16 DRUs.
  • the base station in order to allocate a DRU with a maximum granularity of more than 15 and not equal to 17 DRUs to a certain user, transmits an extended basic allocation control information unit of the DRU allocation type to the user.
  • an identifier of a thousand bits (such as 4 bits) is used to identify that the allocated resource is a DRU type, and the number of allocated resources exceeds 15 and is not equal to 17 DRU logical resource blocks.
  • the 8-bit indication signaling is 001000010.
  • Embodiment 11 In this embodiment, a 10 MHz system is used (the system uses a 1024-point FFT), in which there are 4 frequency partitions, that is, FP. , FPi, FP 2 , FP 3 , each frequency partition has 24, 8, 8, 8 LRUs, among which there are 24, 8, 8, 8 CRUs in each frequency partition, that is, all LRUs It is a CRU. Each four logically consecutive CRUs form a subband.
  • the base station When assigning a CRU to a unicast user, the base station first sets the FP. , FPi, FP 2 , FP 3 A total of 12 CRU sub-bands, renumbered as Subbando, Subbandi, in a specific order
  • Subband 2 Subband 10, Subband u, ⁇ column ⁇ mouth, press i3 ⁇ 4 from FP 0 il FP 3 ⁇ 1 page order, the other points' J
  • the FP 0 of 6 CRU Subband i.e., FP 0 in Subbando ⁇ Subband 5) number Subbando ⁇ Subband 5, in the two Subband FPi (i.e. FPi in Subbando ⁇ Subbandi) numbered Subband ⁇ Subband ?, the FP 2 2 CRU Subband (i.e. in FP Subbando ⁇ 26 Subban ⁇ ) number Subband 8 ⁇ Subband 9, the FP 3 2 CRUs Subband (i.e. in FP.
  • Subbando ⁇ Subban ⁇ number Subbandio ⁇ Subbanc ⁇ 12 Subband this is divided into two groups, a first group contains a total of nine Subbando ⁇ Subbandg Subband, comprising a second group G Subband 3 ⁇ Subband u 2.
  • the base station uses 10 bits for resource indication in the resource allocation information, and uses 1 bit (such as the most significant bit) to indicate which group the currently allocated resource is in, 0 means that the allocated Subband is all in the first group Gi, 1 Subband indicating the assigned full in the second group G 2, the base station using the resource allocation information in additional 9 bits for indicating the corresponding group Subband 9 which is instructed, for example, if the 9 bits of The highest bit is 1, indicating that the Subband of the largest logical sequence number in the corresponding Subband group is allocated.
  • the base station can obviously judge that the three subbands to be allocated at this time are all in the group G2, and the base station uses the highest bit to set to 1, Indicated in the G2 group, then 9 bits are used to indicate which of the 9 Subbands in G2 are indicated, Subband4 is the second smallest logical number in G2 (the smallest is Subband3), so the corresponding 9 of the 9 bits The bit is 0, the second bit is 1, Subband5 is not allocated, so the third bit corresponding to 9 bits is 0, and so on, the total 10 bit resource allocation information is binary (left is high) OblOOOl lOOlO 12: In this embodiment, a 5 MHz system (the system uses a 512-point FFT;) has one frequency partition, that is, FP.
  • frequency partition FP frequency partition FP.
  • the base station When assigning a CRU to a unicast user, the base station first sets the FP. A total of 6 CRU sub-bands are renumbered as Subbando, Subbandi, Subband 2 , and Subband 5 in a specific order. The six Subbands are divided into one group, and the first group includes Subbando ⁇ Subband 5 for a total of six Subbands.
  • the base station uses 0 ratio in the resource allocation information.
  • the base station uses 6 bits in the resource allocation information to indicate which of the six subbands in the corresponding group are indicated, for example, if The most significant bit of the 6 bits is 1, indicating that the Subband of the largest logical sequence number in the corresponding Subband group is allocated. For example, when assigning 3 CRU Subbands to a user, and assigning Subbandl,
  • Subband4, Subband5, the base station can obviously judge that the three subbands to be allocated at this time are all in the group G1, and the base station uses 6 bits to indicate which of the six Subbands in G1 are indicated, because SubbandO is not allocated, so the last one is The bit bit is 0, Subbandl is allocated, so the second bit is 1, ..., Subband5 is allocated, so the highest bit is 1, and so on, the total 6 bit resource allocation information is binary (left is high) Obl lOOlO Embodiment 13: In this embodiment, a 20 MHz system (the system uses a 2048 point FFT) is supported, and there are 4 frequency partitions, that is, FP.
  • each frequency partition has 24, 24, 24, 24 LRUs respectively, wherein the LRU of each frequency partition has another 1 J, 24, 24, 24, 24 CRU, ie, all The LRUs are all CRUs.
  • Each of the four consecutive CRUs constitutes a subband. Thus there are 6, 6, 6, 6 sub-bands in each frequency partition, for a total of 24 sub-bands.
  • Subbando ⁇ Subband 5 FPi
  • the FP 2 6 CRU Subband i.e., the FP 2 Subbando ⁇ Subband 5
  • FP 3 of 6 CRU Subband i.e., the FP 3 Subbando ⁇ Subband 5
  • the 12 subbands are divided into 4 groups, the first group includes Subbando ⁇ Subband u for 12 Subbands, the second group G 2 includes Subband1 ⁇ Subband 23 for 12 Subbands, and the third group G 3 includes Subband 6 ⁇ Subbandiy has 12 Subbands, and the fourth group G 4 contains Subbands.
  • the base station can use 2 bits out of 14 bits (such as the highest bit 2 bits) to indicate in which group the currently allocated resource is, and 00 indicates that the allocated Subband is all in the group.
  • 01 indicates that the assigned Subband is all in the second group G 2
  • 10 indicates that the allocated Subband is all in G 3
  • 11 indicates that the allocated Subband is all in G 4
  • the base station is in the resource allocation information.
  • another 12 bits such as 12 bits of the clamp
  • it is used to indicate which of the 12 subbands in the corresponding group are indicated. For example, if the highest bit of the 12 bits is 1, the corresponding Subband group is indicated.
  • the Subband of the largest logical sequence number in the group is assigned. For example, when a user is assigned to Subband 3 CRUs, and is assigned SubbandO, Subband5, Subband 3 need to be allocated in each group G 4, the base station use the highest order bit is set Subband23 11, the base station will be apparent Analyzing J3 ⁇ 4 represents the group G4, and 12 bits indicated by G in which Subband 12. 4 is instructed, SubbandO logic G4 is the smallest number, the corresponding 12 bits in the least significant bit is 1, Subbandl G4 is The second logical number is not assigned, so the second of the 12 bits is 0, ..., Subband23 is the largest logical number in G 4 , so the highest bit of the corresponding 12 bits is 1.
  • Embodiment 14 In this embodiment, a 20 MHz system (the system uses a 2048 point FFT) is supported, and there are 4 frequency partitions, that is, FP. , FPi , FP 2 , FP 3 , each frequency partition has 24 , 24 , 24 , 24 LRUs respectively , wherein the LRU of each frequency partition has another 1 J with 24 , 24 , 24 , 24 CRUs , ie , all The LRUs are all CRUs. Each of the four consecutive CRUs constitutes a subband.
  • each frequency partition there are 6, 6, 6, and 6 sub-bands in each frequency partition, for a total of 24 sub-bands.
  • the base station uses 14 bits for resource indication, and the base station first sets the FP.
  • a total of 24 CRU sub-bands in FPi, FP 2 , and FP 3 renumbered as Subbando, Subband Subband 2 , Subband 10 , Subband 23 in a specific order.
  • Subbando ⁇ Subband 5 FPi
  • the FP 2 6 CRU Subband i.e., the FP 2 Subbando ⁇ Subband 5
  • FP 3 of 6 CRU Subband i.e., the FP 3 Subbando ⁇ Subband 5
  • the 12 subbands are divided into 4 groups.
  • the first group includes Subbando ⁇ Subband u for 12 Subbands
  • the second group G 2 includes Subbando ⁇ Subband 23 for 12 Subbands
  • the third group G 3 contains Subband 6 ⁇ Subbandiy has 12 Subbands
  • the fourth group G 4 contains Subbands.
  • the fifth group G 5 includes Subband 0 ⁇ Subband 5 And Subband 12 ⁇ Subband 17 a total of 12 Subband.
  • the sixth group G 6 includes Subband 6 ⁇ Subband u and Subband 18 ⁇ Subband 23 for a total of 12 Subbands.
  • the base station can use 3 bits out of 15 bits (such as the highest bit 3 bits) to indicate in which two groups the currently allocated resources are, 000 means that the allocated Subbands are all in the first group, and 001 represents The assigned Subbands are all in the second group G 2 , 010 indicates that the assigned Subbands are all in G 3 , 011 indicates that the assigned Subbands are all in G 4 , and 100 indicates that the assigned Subbands are all in G 5 , 101 indicates Subband full allocated in G 6, the base station using the resource allocation information in the additional 12-bit (such as low-order 12 bits) for indicating the corresponding group 12 which is instructed Subband, for example if the 12 The most significant bit in the bit is 1, indicating that the Subband of the largest logical sequence number in the corresponding Subband group is allocated.
  • the additional 12-bit such as low-order 12 bits
  • SubbandO logic G4 is the smallest number, the corresponding 12 bits in the least significant bit is 1, Subbandl G4 is The second logical number is not assigned, so the second of the 12 bits is 0, ..., Subband23 is the largest logical number in G 4 , so the highest bit of the corresponding 12 bits is 1.
  • Embodiment 15 In this example, for a 16MHz irregular bandwidth system, by changing the subcarrier spacing or sampling rate, the system can be extended to a system equivalent to 20MHz bandwidth. We believe that the resource bandwidth of this system and the 20MHz bandwidth belong to The same type of bandwidth. At this time, the system resource allocation situation refers to the 20 MHz system of the 4 mesh.
  • Embodiment 16 In this example, for a 16 MHz irregular bandwidth system, by discarding some resource blocks (Tone
  • N is the maximum number of assignable logical resource units.
  • N can be any one or combination of the following: Continuous Resource Unit (CRU, Continus Resource) Unit ), Distributed Resource Unit (DRU), Subband (Subband) behalf
  • CRU Continuous Resource Unit
  • DRU Distributed Resource Unit
  • Subband Subband

Landscapes

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

Abstract

La présente invention se rapporte à un procédé d'indication de distribution de ressources. Le procédé comprend les étapes suivantes : une station de base qui envoie à un terminal des informations de distribution de ressources, les informations de distribution de ressources indiquant le nombre et/ou la position initiale des unités de ressources logiques distribuées par la station de base. La présente invention permet d'économiser le surdébit d'indication de ressources et d’améliorer l'efficacité spectrale du système.
PCT/CN2010/073192 2009-07-04 2010-05-25 Procédé d'indication de distribution de ressources Ceased WO2011003305A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200910158859.4A CN101945484A (zh) 2009-07-04 2009-07-04 资源分配指示方法
CN200910158859.4 2009-07-04

Publications (1)

Publication Number Publication Date
WO2011003305A1 true WO2011003305A1 (fr) 2011-01-13

Family

ID=43428766

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2010/073192 Ceased WO2011003305A1 (fr) 2009-07-04 2010-05-25 Procédé d'indication de distribution de ressources

Country Status (2)

Country Link
CN (1) CN101945484A (fr)
WO (1) WO2011003305A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108282297A (zh) * 2017-01-06 2018-07-13 华为技术有限公司 一种资源指示方法、装置及系统

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103298117B (zh) * 2012-02-29 2016-03-23 电信科学技术研究院 一种时频资源的指示及确认方法和装置
CN103517429B (zh) * 2012-06-27 2016-11-23 华为技术有限公司 数据传输方法及窄带终端、基站
CN104378827B (zh) * 2013-08-15 2018-09-07 中国移动通信集团公司 一种时分双工和频分双工融合的资源分配方法和装置
CN106465405B (zh) * 2015-05-08 2019-12-06 华为技术有限公司 用于ofdma系统中的信道分配方法、装置和系统
WO2017166389A1 (fr) 2016-04-01 2017-10-05 华为技术有限公司 Procédé, dispositif, et système d'indication de ressource en vue d'une attribution
CN112925635B (zh) * 2019-12-06 2024-05-14 中盈优创资讯科技有限公司 逻辑资源的处理方法及装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101080081A (zh) * 2006-05-25 2007-11-28 华为技术有限公司 系统资源的分配及指示方法
CN101252776A (zh) * 2008-04-03 2008-08-27 中兴通讯股份有限公司 一种资源分配方法
WO2009017260A2 (fr) * 2007-08-02 2009-02-05 Nec Corporation Attribution de ressources
CN101399800A (zh) * 2007-09-27 2009-04-01 中兴通讯股份有限公司 基于正交频分复用系统的资源分配信息表示方法
CN101431799A (zh) * 2007-11-06 2009-05-13 中兴通讯股份有限公司 一种降低资源分配开销的方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101080081A (zh) * 2006-05-25 2007-11-28 华为技术有限公司 系统资源的分配及指示方法
WO2009017260A2 (fr) * 2007-08-02 2009-02-05 Nec Corporation Attribution de ressources
CN101399800A (zh) * 2007-09-27 2009-04-01 中兴通讯股份有限公司 基于正交频分复用系统的资源分配信息表示方法
CN101431799A (zh) * 2007-11-06 2009-05-13 中兴通讯股份有限公司 一种降低资源分配开销的方法
CN101252776A (zh) * 2008-04-03 2008-08-27 中兴通讯股份有限公司 一种资源分配方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108282297A (zh) * 2017-01-06 2018-07-13 华为技术有限公司 一种资源指示方法、装置及系统
CN108282297B (zh) * 2017-01-06 2023-11-10 华为技术有限公司 一种资源指示方法、装置及系统

Also Published As

Publication number Publication date
CN101945484A (zh) 2011-01-12

Similar Documents

Publication Publication Date Title
WO2011003305A1 (fr) Procédé d'indication de distribution de ressources
CN101064903B (zh) 一种通信系统资源分配指示方法、基站及用户设备
CN101820584B (zh) 一种资源划分及资源映射的方法和装置
KR20090064815A (ko) 광대역 무선통신 시스템에서 동적 자원 할당 장치 및 방법
CN101421947A (zh) 时频资源的分配方法及其装置和无线通信系统
CN101485224B (zh) 基站、移动台和通信方法
WO2008043259A1 (fr) Procédé, dispositifs et terminal utilisateur pour attribution et indication des ressources d'interface radio
CN101595750A (zh) 用于无线通信系统的资源请求
CN103857054B (zh) 长期演进系统媒体访问控制层中复用与调度联合处理方法
CN101039160A (zh) 共享控制信道资源的复用系统、方法及其接收设备
RU2008133575A (ru) Способ выделения ресурсов в системе связи
CN1125573C (zh) 移动通信系统中的基站串联连接通信系统
KR20110022540A (ko) Ｏｆｄｍａ 시스템에서의 다운링크 전송 장치 및 방법
CN102196574B (zh) 分配资源的指示方法及基站
CN101080081B (zh) 系统资源的分配及指示方法
CN104735675A (zh) 无线局域网通信方法和无线局域网通信设备
EP1112644A2 (fr) Procedes de changement de la largeur de bande d'un canal a commutation de circuits
CN105207696B (zh) 用电信息采集的宽带电力线通信资源分配方法及装置
WO2009089766A1 (fr) Procédé d'attribution et de réception de ressources sans fil, appareil associé
CN101437292A (zh) 一种正交频分复用系统中时频资源的调度方法及其装置
CN101998647B (zh) 资源分配指示方法
CN101437011A (zh) 一种正交频分复用系统中时频资源的分配方法及其系统
CN101137182B (zh) 一种无线通信系统中的资源分配方法及系统
CN1780458A (zh) 基于时频无线信道资源分配方法
CN104144427B (zh) 一种无线认知网络频带分配方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10796682

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 10796682

Country of ref document: EP

Kind code of ref document: A1