WO2014047897A1 - Procédé, dispositif et système d'affectation de ressources et procédé et dispositif d'obtention de ressources - Google Patents

Procédé, dispositif et système d'affectation de ressources et procédé et dispositif d'obtention de ressources Download PDF

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Publication number
WO2014047897A1
WO2014047897A1 PCT/CN2012/082375 CN2012082375W WO2014047897A1 WO 2014047897 A1 WO2014047897 A1 WO 2014047897A1 CN 2012082375 W CN2012082375 W CN 2012082375W WO 2014047897 A1 WO2014047897 A1 WO 2014047897A1
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WIPO (PCT)
Prior art keywords
resource
resource set
information
sets
sequence number
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PCT/CN2012/082375
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English (en)
Chinese (zh)
Inventor
高驰
吴强
刘鹍鹏
刘建琴
Original Assignee
华为技术有限公司
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2012/082375 priority Critical patent/WO2014047897A1/fr
Priority to CN201280074199.1A priority patent/CN104380817B/zh
Publication of WO2014047897A1 publication Critical patent/WO2014047897A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • 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

Definitions

  • the present invention relates to the field of communications, and in particular, to a resource allocation method, device and system, and resource acquisition method and device. Background technique
  • LTE Long Term Evolution
  • MIMO Multiple Input Multiple Output
  • PDCH Physical Downlink Control Channel
  • EDCCH Enhanced Physical Downlink Control Channel
  • the resource mapping of EPDCCH can be in two ways, one is distributed (for example: distributed ), and the other is centralized (for example: localized ).
  • the distributed resource mapping refers to that the transmission resources of one EPDCCH are discrete in the frequency domain
  • the centralized resource mapping refers to that the transmission resources of one EPDCCH are continuous in the frequency domain.
  • the minimum unit of resource allocation in the frequency domain is a physical resource block (PRB), and at the same time, according to different bandwidths, a resource allocation unit of a resource set is defined, and a resource block group (Resource Block) Group, RBG).
  • PRB physical resource block
  • RBG resource block group
  • the definition of the PRB is as shown in FIG. 1.
  • the downlink physical resource of one subframe of the LTE system is divided into multiple PRBs in the frequency domain, and the time domain is divided into two time slots, and each PRB frequency domain includes 12 subcarriers, and each One PRB spans one time slot in the time domain, and two PRBs form one physical resource block pair (PRB pair).
  • PRB pair physical resource block pair
  • Each RBG is composed of multiple virtual resource blocks (VRBs), and each VRB is corresponding to one PRB. It can also be said that each RBG is composed of multiple PRBs. Therefore, when the RBs included in the RBG are described below, they are no longer indicated as VRBs or PRBs, and are collectively referred to as Resource Blocks (RBs), so that each RBG can be considered to be composed of multiple RBs.
  • the number of RBs included in the RBG is different, as shown in the following table: System bandwidth (number of RBs) RBG size (number of RBs)
  • the embodiments of the present invention provide a resource allocation method, device, and system, and a resource acquisition method and device, which can solve the problem of resource allocation of the EPDCCH.
  • a first aspect of the present invention provides a resource allocation method, including:
  • each first resource set includes S resource units, and each of the first resource sets includes S resource units respectively from the T second resource sets; different first resources
  • the S and T corresponding to the set are the same or different; the S and T are natural numbers greater than 0;
  • a second aspect of the present invention provides a resource obtaining method, including:
  • Each of the first resource sets includes S resource units, and each of the first resource sets includes S resource units respectively from the T second resource sets; different first resource sets corresponding to S and T are the same or Different; the S and T are natural numbers greater than zero.
  • a third aspect of the present invention provides a network device, including: an allocating unit and a transmitting unit, where: the allocating unit is configured to allocate at least one first resource set to the user equipment, where each first resource set includes S resource units The S resource units included in each first resource set are respectively derived from T second resource sets; the S and T corresponding to different first resource sets are the same or different; and the S and T are natural numbers greater than 0. ; The transmitting unit is configured to transmit an EPDCCH on the at least one first resource set.
  • a fourth aspect of the present invention provides a user equipment, including: a first acquiring unit, where: the first acquiring unit is configured to acquire an EPDCCH on at least one first resource set;
  • Each of the first resource sets includes S resource units, and each of the first resource sets includes S resource units respectively from the T second resource sets; different first resource sets corresponding to S and T are the same or Different; the S and T are natural numbers greater than zero.
  • a fifth aspect of the present invention provides a resource allocation system including the above network device and the user equipment.
  • a sixth aspect of the present invention provides a network device, including: a processor, where:
  • the processor is configured to perform the following steps:
  • each first resource set includes S resource units, and each of the first resource sets includes S resource units respectively from the T second resource sets; different first resources
  • the S and T corresponding to the set are the same or different; the S and T are natural numbers greater than 0;
  • a seventh aspect of the present invention provides a user equipment, including: a processor, where:
  • the processor is configured to perform the following steps:
  • Each of the first resource sets includes S resource units, and each of the first resource sets includes S resource units respectively from the T second resource sets; different first resource sets corresponding to S and T are the same or Different; the S and T are natural numbers greater than zero.
  • An eighth aspect of the present invention provides a resource allocation comprising the network device provided by the sixth aspect of the present invention and the user equipment provided by the seventh aspect.
  • the user equipment is allocated at least one first resource set, each first resource set includes S resource units, and each of the first resource sets includes S resource units respectively from the T second resource sets; Transmitting an EPDCCH on the at least one first resource set.
  • Figure 1 is a schematic diagram of the definition of PRB
  • FIG. 2 is a schematic flow chart of a resource allocation method provided by an implementation of the present invention.
  • FIG. 3 is a schematic flowchart of another resource allocation method according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a method for dividing a third resource set according to an embodiment of the present invention
  • FIG. 5 is a schematic flowchart of another resource allocation method according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram of another method for dividing a third resource set according to an embodiment of the present invention
  • FIG. 7 is a schematic diagram of another method for dividing a third resource set according to an embodiment of the present invention
  • FIG. a grouping diagram of a third set of resources
  • FIG. 9 is a schematic flowchart of a resource acquisition method according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic flowchart of another resource acquisition method according to an embodiment of the present invention
  • FIG. 11 is a schematic flowchart of another resource acquisition method according to an embodiment of the present invention
  • Schematic diagram of the device
  • FIG. 13 is a schematic structural diagram of another network device according to an embodiment of the present disclosure.
  • FIG. 14 is a schematic structural diagram of another network device according to an embodiment of the present disclosure.
  • FIG. 15 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure.
  • FIG. 16 is a schematic structural diagram of another user equipment according to an embodiment of the present disclosure.
  • FIG. 17 is a schematic structural diagram of another user equipment according to an embodiment of the present disclosure.
  • FIG. 18 is a schematic structural diagram of a resource allocation system according to an embodiment of the present invention.
  • FIG. 19 is a schematic structural diagram of a network device according to an embodiment of the present invention.
  • FIG. 20 is a schematic structural diagram of another network device according to an embodiment of the present disclosure.
  • FIG. 21 is a schematic structural diagram of another user equipment according to an embodiment of the present disclosure.
  • FIG. 22 is a schematic structural diagram of another user equipment according to an embodiment of the present disclosure.
  • FIG. 23 is a schematic structural diagram of a resource allocation system according to an embodiment of the present invention. detailed description
  • FIG. 2 is a schematic flowchart of a resource allocation method provided by the implementation of the present invention. As shown in FIG. 2, the method includes:
  • each first resource set includes S resource units, and each of the first resource sets includes S resource units respectively from T second resource sets; S and T corresponding to a resource set are the same or different; and S and T are natural numbers greater than zero.
  • the S and the T corresponding to the different first resource sets are the same or different.
  • the number of resource units included in different first resource sets may be different or the same;
  • a resource set 1 includes S resource units, where S is 5;
  • the first resource set 2 includes S resource units, where S is 6.
  • the resource unit included in the different first resource set is from the second resource set, and the number and serial number of the second resource set included in the different first resource set may be the same or different.
  • the first resource set 1 includes 8 resource units, and the 8 resource units are from the 4 second resource sets, respectively, the second resource set 1, 5, 9, 13, and the first resource set 2 includes 4 resources. Units, these four resource units come from two second resource sets, which are the second resource sets 2 and 6.
  • the EPDCCH and the PDSCH may be simultaneously transmitted in a second resource set, such as one resource in the at least one first resource set.
  • the set includes 4 resource units, and the 4 resource units belong to 2 second resource sets, wherein 2 resource units belong to the second resource set 2, and the other 2 resource units belong to the second resource set 6.
  • each second resource set includes four resource units, so that EPDCCH can be transmitted in two resource units of the two second resource sets, and can be in the two second resource sets.
  • Other resource units transmit PDSCH.
  • the first resource set may be a downlink physical resource.
  • FIG. 3 is a schematic flowchart of another resource allocation method according to an embodiment of the present invention. As shown in FIG. 3, the method includes:
  • each first resource set includes S resource units, and each of the first resource sets includes S resource units respectively from T second resource sets; S and T corresponding to a resource set are the same or different; and S and T are natural numbers greater than zero.
  • the transmitting the EPDCCH on the at least one first resource set may include:
  • the EPDCCH of the centralized resource mapping and/or the EPDCCH transmitting the distributed resource mapping are transmitted on the at least two first resource sets.
  • the at least one first resource set includes a first resource set 1 and a first resource set 2, and step 203 may be: transmitting a centralized resource mapped EPDCCH on the first resource set 1, and transmitting on the first resource set 2 EPDCCH for distributed resource mapping. It is also possible to transmit the EPDCCH of the centralized resource mapping or the EPDCCH of the transmission distributed resource mapping in both the first resource set 1 and the first resource set 2.
  • the at least one first resource set may be selected from the downlink physical resources according to the resource allocation information of the first resource, and at least one of the foregoing
  • the EPDCCH is acquired on a set of resources.
  • the user equipment may Selecting, according to information such as an identifier or a sequence number of a resource unit (for example, an RB or a PRB pair), a resource unit (for example, an RB or a PRB pair) included in the information of the at least one first resource set from the downlink resources used for transmitting the EPDCCH. And acquiring an EPDCCH in a resource unit (for example, an RB or a PRB pair) included in the information of the at least one first resource set.
  • the placeholders or serial numbers of the S resource units in the T second resource sets are the same; or,
  • a part of the S resource units is in at least two of the T second resource sets
  • the placeholder or serial number is the same.
  • step 202 may specifically include:
  • the second resource set is an RBG
  • the resource unit is an RB
  • the at least one first resource set is a first resource set 1 , where the first resource set 1 includes S RBs.
  • the S of the first resource set The RBs are the first two RBs of RBG1, RBG3, RBG5, and RBG7.
  • step 203 the sequence numbers of RBG1, RBG3, RBG5, and RBG7, and the station numbers 1 and 2 of the RBs in the RBG are sent to the user equipment.
  • the user equipment can select the RBG1.
  • the second resource set is an RBG
  • the resource unit is an RB
  • the at least one first resource set is a first resource set 2, where the first resource set 2 includes S RBs.
  • RBG1, RBG3, and RBG5 as shown in FIG. 4(b), where RBs of the first resource set 2 occupy 1 and 2 in RBG1, and RBs of the first resource set 2 are in RBG5 at RBG3.
  • the place in the middle is 1.
  • the sequence numbers of RBG1, RBG3, RBG5, and RBG7, and the occupancy numbers 1 and 2 in RBG1 and RBG3, and the occupancy sequence number 1 in RBG5 are sent to the user equipment, and the user equipment receives step 302.
  • the first two RBs of RBG1 and RBG3, and the previous RB of RBG5 are selected, and the EPDCCH is acquired on the first two RBs of RBG1 and RBG3, and the previous RB of RBG5.
  • the method when for each first resource set in the at least one first resource set, a placeholder or a serial number of the S resource units in the T second resource set Meanwhile, the method further includes:
  • each first resource set in the at least one first resource set Sequence number information of the T second resource sets, and sequence number information or place information of the resource unit in the second resource set.
  • the second resource set is an RBG
  • the resource unit is an RB
  • the first resource set 1 includes S RBs from RBG1 and RBG3 as shown in FIG. 4 ( a ).
  • RBG5 and RBG7 wherein the RBs of the first resource set 1 occupy 1 and 2 in each of the foregoing RBGs, then the foregoing step may be that the resource units included in the first resource set are in the second resource set.
  • Placeholders 1 and 2, as described above, 1 and 2 are sent to the user equipment prior to step 203.
  • the step 203 may not need to send the sequence number information or the place information of the resource unit included in the first resource set in each second resource set.
  • a part of the S resource units is in at least two second resource sets of the T second resource sets.
  • the placeholders or the serial numbers are the same, it is of course possible to send the location information of the resource units of each first resource set to the user equipment before step 202.
  • the foregoing second resource set may be an RBG
  • the foregoing resource unit may be an RB or a PRB pair.
  • FIG. 5 is a schematic flowchart of another resource allocation method according to an embodiment of the present invention. As shown in FIG. 5, the method includes:
  • each first resource set includes M third resource sets;
  • Each of the third resource sets includes R resource units, and the R resource units of each third resource set are respectively derived from P second resource sets, and for each third resource set, the R resource units And the R or P corresponding to the different third resource sets in the M third resource set are the same or different, and the at least one first resource set is the same.
  • M, R, and P corresponding to different first resource sets are the same or different, and the M, R, and P are natural numbers greater than zero.
  • the set of resource units included in the M third resource sets is the S resources. a set of units, wherein the resource units of the M third resource sets are derived from the T second resource sets.
  • step 302 may specifically include:
  • the user equipment may obtain the partition information of the third resource set obtained in advance, or when receiving the sequence information of the third resource set sent in step 303.
  • the at least one first resource set may be selected from the downlink physical resource, and the EPDDCH is obtained.
  • step 302 may further include:
  • the method may further include:
  • the split information of each third resource set is sent to the user equipment.
  • the split information includes at least the following information:
  • the information of the P second resource sets corresponding to each third resource set, and the placeholder or serial number information of the resource unit included in each third resource set in the second resource set information are included in each third resource set in the second resource set information.
  • the information about the P second resource sets corresponding to each of the third resource sets may be the sequence number information of the P second resource sets where the R resource units of each third resource set are located,
  • the third resource set 1 includes a resource unit 1, a resource unit 2, and a resource unit 3, wherein the resource unit 1, the resource unit 2, and the resource unit 3 are respectively taken from the second resource set 1, the second resource set 2, and the second resource.
  • the information of the P second resource sets corresponding to the third resource set 1 may be information of the second resource set 1, the second resource set 2, and the second resource set 3 (for example: sequence number information)
  • the three second resource sets may be selected from the downlink physical resources, and the corresponding resource unit is selected according to the occupancy or serial number information.
  • the manner of dividing the third resource set may be specifically as shown in FIG. 6 and FIG. 7.
  • the third resource set may be specifically referred to as an enhanced resource block group (eRBG), where The meaning of eRBG is not limited, just for convenience.
  • resource unit Specifically, it may be an RB or a PRB pair, and the second resource set may be an RBG, and an RB is used as an example.
  • At least one eRBG includes two or more RBs in the RBG.
  • the size of an RBG is 4 RBs.
  • the RBs included in eRBG1 are from RBGa and RBGc, and the RBs in eRBG1 are 1 or 2, so the RBs included in eRBG1 are the first two of RBGa and RBGc.
  • the RBs included in eRBG2 can be defined as the last two RBs of RBGa and RBGc, and eRBG3 and eRBG4 are not repeated here.
  • the size of one RBG is 4 RBs.
  • the RBs included in eRBG1 are from RBGa and RBGc, and the RBs of eRBG1 are 1 or 3, and the RBs included in eRBG1 are included. It is the first and third RBs of RBGa and RBGc.
  • the RBs included in eRBG2 can be defined as the second and fourth RBs of RBGa and RBGc, and eRBG3 and eRBG4 are not repeated here.
  • the size of one RBG is 4 RBs
  • the RBs included in eRBG1 are from RBG a, RBG c, RBG e, and RBG g.
  • the occupied or sequence number of the included RBs of eRBG 1 is 1.
  • the RBs included in eRBG 1 are the first RBs of RBG a, RBG c, RBG e, and RBG g.
  • the RBs included in eRBG 2 may be defined as the second RBs of RBG a, RBG c, RBG e, and RBG g, eRBG 3, eRBG 4, eRBG 5, eRBG 6, eRBG 7, and eRBG 8 are not mentioned here. Repeat the instructions.
  • the size of one RBG is 3 RBs
  • the RBs included in the eRBG1 are from RBGa, RBGc, and RBGe, and the RBs included in the eRBG1 are 1 or 2, and the RBs included in the eRBG1 are RBGas.
  • the first RB of RBGc and RBGe can be defined as the second RBs of RBGa, RBGc, and RBGe, and eRBG3, eRBG4, eRBG5, and eRBG6 are not repeated here.
  • the foregoing split information may be the information shown in FIG. 6 or FIG. 7 above.
  • the specific 302 may specifically include:
  • the resource quantity information includes:
  • the number M of the third resource set and/or the number of resource units 1 may be an RB or a PRB pair.
  • the first resource unit of the at least one first resource unit may include:
  • the initial third resource set and the other M-1 third resource sets, the sequence numbers of the M third resource sets or the positions in the physical resource frequency domain are discontinuous.
  • sequence numbers of the M third resource sets or the locations on the physical resource frequency domain are discontinuous.
  • the sequence numbers of the M third resource sets or the positions on the physical resource frequency domain are equally spaced.
  • the initial third resource set is the third resource set 1
  • the M is 3, then the at least one
  • the first resource unit of a resource unit may include a third resource set 1, a third resource set 2, and a third resource set 3.
  • the first resource unit of the at least one first resource unit may include the third resource set 1, the third resource set 3, and The third resource set 5.
  • the first resource unit of the at least one first resource unit may include:
  • the initial third resource set and the sequential S/R-1 third resource sets, the sequence numbers of the S/R third resource sets or the positions in the physical resource frequency domain are discontinuous.
  • sequence number of the S/R third resource set or the location of the physical resource frequency domain is discontinuous.
  • the specific sequence may include:
  • sequence numbers of the S/R third resource sets or the locations on the physical resource frequency domain are equally spaced.
  • S is the number of resource units included in the first resource set
  • the user equipment determines, according to the sequence number information of the starting third resource set, and the resource quantity information, the at least one Information of a third resource set included in a resource set, and, according to the determined information, selecting, from the downlink physical resource, a third resource set included in the at least one first resource set, and in the at least one The third resource set included in a resource set is obtained Taking the EPDCCH.
  • the at least one first resource set includes the eRBG1 and the eRBG2 as shown in FIG. 6(c), where the step 303 sends the sequence number 1 to the user equipment, and the eRBG number included in the at least one first resource set. (for example, 2) or the number of PRB pairs (RB) (for example, 8).
  • the user equipment obtains the number of the sequence number 1 and the PRB pair (for example, 8)
  • the user can obtain the information by using the split information of the third resource set, that is, the number of PRB pairs included in each eRBG is 4.
  • the first resource set contains 2 eRBGs.
  • the EPDCCH transmitted by the at least one first resource set is the EPDCCH of the centralized resource mapping
  • the initial eRBG received by the user equipment is eRBG1
  • the number of eRBGs obtained or calculated is 2
  • the at least one The eRBG included in a resource set is eRBG1 and eRBG2
  • the EPDCCH of the centralized resource mapping is obtained on eRBG1 and eRBG2.
  • the user equipment receives the number 1 and the number of eRBGs (for example, 2) or the PRB pair included in the at least one first resource set.
  • the number for example, 8
  • the user equipment also knows the interval information on the two eRBG sequence numbers or frequency resources (for example, the interval is 4), and the interval message may be that the base station notifies the user equipment, or may be a base station.
  • Pre-agreed with the user equipment may also be a value related to the system bandwidth (eg, an interval of 4), ie a value that varies as the system bandwidth changes.
  • the user equipment may determine that the eRBG included in the at least one first resource set is eRBG1 and eRBG5, and in the eRBG1 and The EPDCCH of the distributed resource mapping is obtained on the eRBG5.
  • the EPDCCH that is transmitted by the user equipment is the EPDCCH of the centralized resource mapping or the EPDCCH of the distributed resource mapping.
  • an additional update message is not required to notify the user equipment, and the EPDCCH transmitted by the user equipment is notified to be concentrated.
  • the EPDCCH of the resource mapping is also used as an optional implementation manner.
  • Step 302 may specifically include:
  • the group includes one or more third resource sets.
  • the grouping of the foregoing third resource set may be preset or agreed, as shown in FIG. 8.
  • the user equipment may select each of the at least one first resource set according to the group information and the group information. a group in which the M third resource sets included in the set are located, and the M included in each of the at least one first resource set is selected from the selected group according to the sequence number information in the group a third resource set, and acquiring the EPDCCH on the at least one first resource set.
  • the at least one first resource set includes a first resource set 1, a first resource set 2, and a first resource set 3, and the M third resource sets included in the first resource set 1 are respectively a front of the group 1. Two third resources and the first two third resources of group 2.
  • step 302 may specifically include:
  • the group of the embodiment may specifically include:
  • W second resource sets, the one or more third resource sets included in the group include resource units from the W second resource sets, and the W is an integer greater than 0.
  • the third resource set is divided into H groups in advance, and H is a natural number greater than 0.
  • the third resource set is eRBG
  • eRBG1 and eRBG2 are in FIG. 8 .
  • eRBG3 and eRBG4 are divided into group 1
  • eRBG5, eRBG6, eRBG7, and eRBG8 are divided into group 2.
  • the at least one first resource set is the first resource set 1 and the first resource set 2, where the first resource set 1 includes the eRBG1 and the eRBG3 as shown in FIG. 8, and the first resource set 2 includes the FIG.
  • the step 302 sends the sequence number of the group 1 corresponding to the first resource set 1 and the sequence numbers 1 and 3 of the eRBG in the group 1 to the user equipment.
  • the step 302 sends the sequence number of the group 1 corresponding to the first resource set 1 and the sequence numbers 1 and 3 of the eRBG in the group 1 to the user equipment.
  • the serial number is the same, the user equipment sends the group number corresponding to the first resource set 2 to 1, 2, and the serial number of the eRBG in the group is 2, 4.
  • the user equipment may obtain resource allocation information of the first resource set 1 and the first resource set 2 according to the sequence number of the group and the group information acquired in advance.
  • the group sequence number may be notified by using a group of bit signaling, and another group of bit signaling is used to notify the group sequence. number.
  • the downlink resources are divided into two groups, and each group has 4 eRBGs, and the group number is notified by 2 bits, and 4 bits are used to notify the serial number in the group.
  • the group number corresponding to the first resource set 2 is 1, 2, and the corresponding bit signaling is 11, and the sequence number of the eRBG in the group is 2, 4, and the corresponding bit signaling is 0101.
  • the 1101016 bits are used to notify the resource allocation information of the first resource set 2.
  • step 301 may specifically include:
  • the foregoing attribute is a first resource set of an EPDCCH that transmits a centralized resource mapping
  • the attribute is a first resource set of an EPDCCH that transmits a distributed resource mapping, which are known to the present invention, for example, when the first resource is used.
  • the attribute of the first resource set is the EPDCCH of the transport centralized resource mapping; when the third resource set included in the first resource set is not on the sequence number
  • the attribute of the first resource set is the EPDCCH for transmitting the distributed resource mapping.
  • the at least one first resource set includes the first resource set of the EPDCCH whose attribute is the transmission centralized resource mapping and the first resource set of the EPDCCH whose attribute is the transmission distributed resource mapping. It is possible to implement EPDCCH for simultaneous transmission of centralized resource mapping and EPDCCH for distributed resource mapping.
  • step 301 may specifically include:
  • the second type of the first resource set in the set includes the resources included in the one or more first resource sets in the first type of the first resource set, and the attribute of the second type first resource set is the transport centralized resource mapping Enhanced physical downlink control channel.
  • the EPDCCH of the centralized resource mapping is transmitted on the first resource set of the EPDCCH whose attribute is the transmission distributed resource mapping.
  • the at least one first resource set is a first resource set 1, a first resource set 2, and a first resource set 3, where the first resource set 1 includes 61 ⁇ 01 and 61 as shown in FIG. 6 (3).
  • the first resource set 6 includes eRBG2 and eRBG6 as shown in FIG. 4(a)
  • the first resource set 3 packets Contains eRBG3 and eRBG7 as shown in Figure 6 (a).
  • eRBG1 and eRBG2 in the first resource set 1 and the first resource set 2 may be combined with another first resource set 4, and eRBG5 and eRBG6 may be grouped into another first resource set 5, and then in the first resource.
  • the EPDCCH of the centralized resource mapping is transmitted on the set 3 and the first resource set 4, and the EPDCCH of the distributed resource map is transmitted in the first resource set 3.
  • the EPDCCH for the simultaneous transmission of the centralized resource mapping and the EPDCCH of the distributed resource mapping, and the EPDCCH resource set for transmitting the distributed resource mapping (the third frequency group included) is discontinuous, including
  • the eRBG1 and eRBG5 first resource set 1 shown in FIG. 6(a) includes an EPDCCH on which the centralized resource mapping is transmitted on the first resource set 2 of eRBG2 and eRBG6 as shown in FIG. 6(a).
  • the foregoing second resource set may be an RBG
  • the foregoing resource unit may be an RB or a PRB pair.
  • FIG. 9 is a schematic flowchart of a resource obtaining method according to an embodiment of the present invention. As shown in FIG. 9, the method includes:
  • Each of the first resource sets includes S resource units, and each of the first resource sets includes S resource units respectively from the T second resource sets; different first resource sets corresponding to S and T are the same or Different; the S and T are natural numbers greater than zero.
  • the EPDCCH and the PDSCH may be simultaneously transmitted in a second resource set, such as one resource in the at least one first resource set.
  • the set includes 4 resource units, and the 4 resource units belong to 2 second resource sets, wherein 2 resource units belong to the second resource set 2, and the other 2 resource units belong to the second resource set 6.
  • each second resource set includes four resource units, so that EPDCCH can be transmitted in two resource units of the two second resource sets, and can be in the two second resource sets.
  • Other resource units transmit PDSCH.
  • the first resource set may be a downlink physical resource.
  • FIG. 10 is a schematic flowchart of another resource obtaining method according to an embodiment of the present invention. As shown in FIG. 10, the method includes:
  • Each of the first resource sets includes S resource units, and each of the first resource sets includes S resource units respectively from the T second resource sets; different first resource sets corresponding to S and T are the same or Different; the S and T are natural numbers greater than zero.
  • the at least one first resource set may be selected from the downlink physical resources according to the resource allocation information of the first resource, and at least one of the foregoing
  • the EPDCCH is acquired on a set of resources.
  • the user equipment may Selecting, according to information such as an identifier or a sequence number of a resource unit (for example, an RB or a PRB pair), a resource unit (for example, an RB or a PRB pair) included in the information of the at least one first resource set from the downlink resources used for transmitting the EPDCCH. And acquiring an EPDCCH in a resource unit (for example, an RB or a PRB pair) included in the information of the at least one first resource set.
  • step 503 may specifically include:
  • the at least one first resource set includes the first resource set 1 and the third resource set 2, and the step 503 may be: acquiring the EPDCCH of the centralized resource mapping on the first resource set 1, and acquiring the first resource set 2 EPDCCH for distributed resource mapping. It is also possible to transmit the EPDCCH of the centralized resource mapping or the EPDCCH of the transmission distributed resource mapping in both the first resource set 1 and the first resource set 2.
  • the S resource units have the same placeholder or serial number in the T second resource sets.
  • a part of the S resource units is in at least two of the T second resource sets The placeholder or serial number is the same.
  • the step 501 specifically includes:
  • Step 502 specifically includes:
  • the second resource set is an RBG
  • the resource unit is an RB
  • the at least one first resource set is a first resource set 1 , where the first resource set 1 includes S RBs.
  • the S of the first resource set The RBs are the first two RBs of RBG1, RBG3, RBG5, and RBG7.
  • step 501 may be to receive the sequence numbers of RBG1, RBG3, RBG5, and RBG7, and the station numbers 1 and 2 in the RBG, and step 502 may select the first two RBs of RBG1, RBG3, RBG5, and RBG7, and The EPDCCH is acquired on the first two RBs of RBG1, RBG3, RBG5, and RBG7.
  • the second resource set is an RBG
  • the resource unit is an RB
  • the at least one first resource set is a first resource set 2, where the first resource set 2 includes S RBs.
  • step 501 may be to receive the sequence numbers of RBG1, RBG3, RBG5, and RBG7, and the place numbers 1 and 2 in RBG1 and RBG3, and the place number 1 in RBG5, and step 502 may select RBG1 and RBG3.
  • the first two RBs, and the previous RB of RBG5, acquire the EPDCCH on the first two RBs of RBG1 and RBG3, and the previous RB of RBG5.
  • the S resource units when for each first resource set in the at least one first resource set, the S resource units have the same placeholder or serial number in the T second resource sets.
  • the method further includes:
  • Sequence number information of the T second resource sets and sequence number information or placeholder information of the resource unit in the second resource set.
  • step 501 only needs to receive information of the at least one first resource set (for example, sequence number information of the first resource set, etc.).
  • the foregoing second resource set may be an RBG
  • the foregoing resource unit may be an RB or a PRB pair.
  • FIG. 11 is a schematic flowchart of another resource obtaining method according to an embodiment of the present invention. As shown in FIG. 11, the method includes:
  • Each of the first resource sets includes R third resource sets, and each of the third resource sets includes R resource units, respectively, from the P second resource sets, and For each of the third resource sets, the R or P numbers of the R resource units are the same; the R and P corresponding to the different third resource sets of the M third resource sets.
  • the M, R, and P corresponding to the different first resource sets in the at least one first resource set are the same or different, and the M, R, and P are natural numbers greater than 0.
  • the set of resource units included in the M third resource sets is a set of the S resource units, and the resource units in the M third resource sets are derived from the T second resources. set.
  • step 601 may specifically include:
  • Step 602 specifically includes:
  • the third resource set corresponding to the sequence number information on the downlink physical resource the third resource split information is obtained in advance or acquired when the sequence number information is acquired .
  • the information about the third resource set obtained when the sequence number information of the third resource set is received in advance or received in step 601 may be obtained from the downlink physical resource. Selecting at least one of the first resource sets and acquiring the EPDDCH.
  • the step 601 may specifically include:
  • the split information includes at least the following information:
  • the information of the P second resource sets corresponding to each third resource set, and the placeholder or serial number information of the resource unit included in each third resource set in the second resource set information are included in each third resource set in the second resource set information.
  • the information about the P second resource sets corresponding to each third resource set may be understood as the sequence number information of the P second resource sets where the R resource units of each third resource set are located.
  • the third resource set 1 includes a resource unit 1, a resource unit 2, and a resource unit 3, wherein the resource unit 1, the resource unit 2, and the resource unit 3 are respectively taken from the second resource set 1, the second resource set 2, and the second The resource set 3, such that the information of the P second resource sets corresponding to the third resource set 1 may be information of the second resource set 1, the second resource set 2, and the second resource set 3 (for example: sequence number information)
  • the three second resource sets may be selected from the downlink physical resources, and the corresponding resource unit is selected according to the occupancy or serial number information.
  • the manner of dividing the third resource set may be specifically as shown in FIG. 6 and FIG. 7.
  • the third resource set may be specifically defined as an eRBG, and the foregoing resource unit may be an RB or a PRB pair, where the foregoing
  • the second resource set may specifically be an RBG. See the previous example for details.
  • step 601 may specifically include:
  • Step 602 specifically includes:
  • Respecting resources included according to each of the at least one first resource set respectively The quantity information, the number of the third resource information included in each of the at least one first resource set is calculated, and the calculated number and the serial number information of the starting third resource set are further calculated according to the calculated Calculating the sequence number information of the third resource set included in each of the at least one first resource set, and acquiring the third number corresponding to the sequence number information on the downlink physical resource according to the calculated sequence number information Resource collection.
  • the resource quantity information includes:
  • the number of third resource sets M and / or the number of resource units 1 is the number of third resource sets M and / or the number of resource units 1 .
  • the resource unit may be an RB or a PRB pair.
  • the first resource unit of the at least one first resource unit may include:
  • the initial third resource set and the other M-1 third resource sets, the sequence numbers of the M third resource sets or the positions in the physical resource frequency domain are discontinuous.
  • sequence numbers of the M third resource sets or the locations on the physical resource frequency domain are discontinuous.
  • the sequence numbers of the M third resource sets or the positions on the physical resource frequency domain are equally spaced.
  • the initial third resource set is the third resource set 1
  • the M is 3, then the at least one
  • the first resource unit of a resource unit may include a third resource set 1, a third resource set 2, and a third resource set 3.
  • the first resource unit of the at least one first resource unit may include the third resource set 1, the third resource set 3, and The third resource set 5.
  • the first resource unit of the at least one first resource unit may include:
  • the initial third resource set and the sequential S/R-1 third resource sets, the sequence numbers of the S/R third resource sets or the positions in the physical resource frequency domain are discontinuous.
  • sequence number of the S/R third resource set or the location of the physical resource frequency domain is discontinuous.
  • the specific sequence may include:
  • sequence numbers of the S/R third resource sets or the locations on the physical resource frequency domain are equally spaced.
  • S is the number of resource units included in the first resource set
  • the at least one first resource set includes the eRBG1 and the eRBG2 as shown in FIG. 6(c), where the step 303 sends the sequence number 1 to the user equipment, and the eRBG number included in the at least one first resource set. (for example, 2) or PRB pair (RB).
  • the step 602 can pass the split information of the third resource set, that is, the number of PRB pairs included in each eRBG is 4. Obtaining that the number of eRBGs included in the first resource set is 2.
  • the initial eRBG received in step 601 is eRBG1, and the number of eRBGs obtained or calculated is 2, and step 602 can determine the foregoing.
  • the eRBG included in a first resource set is eRBG1 and eRBG2, and the EPDCCH of the centralized resource mapping is obtained on eRBG1 and eRBG2.
  • the step 601 receives the number 1 (e.g., 2) or the PRB pair of the sequence number 1 and the at least one first resource set.
  • the number for example, 8
  • the user equipment may also learn the interval information on the two eRBG sequence numbers or frequency resources (for example, the interval is 4), and the interval message may be that the base station notifies the user equipment, or may be
  • the base station and the user equipment pre-agreed may also be values related to system bandwidth (for example, an interval of 4), that is, a value that varies with system bandwidth.
  • step 601 the number of PRB pairs included in the at least one first resource set is received (for example, 8), step 602 may determine that the at least one first resource set includes eRBGs as eRBG1 and eRBG5, and in eRBG1 and The EPDCCH of the distributed resource mapping is obtained on the eRBG5.
  • step 601 may specifically include:
  • the group receives information of a group in which the M third resource sets included in each of the at least one first resource set sent by the network side, and sequence number information or placeholder information in the group in which the group is located, the group Include one or more third resource sets;
  • Step 602 specifically includes:
  • Step 601 specifically includes:
  • the group of the embodiment may specifically include:
  • W second resource sets, the one or more third resource sets included in the group include resource units from the W second resource sets, and the W is an integer greater than 0.
  • the third resource set is divided into H groups in advance, and H is a natural number greater than 0.
  • the third resource set is eRBG
  • eRBG1 and eRBG2 are in FIG. 8 .
  • eRBG3 and eRBG4 are divided into group 1
  • eRBG5, eRBG6, eRBG7, and eRBG8 are divided into group 2.
  • the at least one first resource set is the first resource set 1 and the first resource set 2, where the first resource set 1 includes the eRBG1 and the eRBG3 as shown in FIG. 8, and the first resource set 2 includes the FIG.
  • the step 601 receives the sequence number of the group 1 corresponding to the first resource set 1 and the sequence numbers 1 and 3 of the eRBG in the group 1. Or, since eRBG2 and eRBG4 are the 2nd and 4th eRBGs in the group 1, eRBG6 and eRBG8 are the 2nd and 4th eRBGs in the group 2, and the eRBGs are in the 2 groups If the serial number is the same, the group number corresponding to the first resource set 2 is 1, 2, and the serial number of the eRBG in the group is 2, 4.
  • Step 602 Obtain resource allocation information of the first resource set 1 and the first resource set 2 according to the sequence number of the group and the group information acquired in advance.
  • the network side may notify the group sequence number by using a set of bit signaling, and another group of bit signaling notifies the sequence number in the group.
  • the downlink resources are divided into two groups, and each group has 4 eRBGs, and the group number is notified by 2 bits, and 4 bits are used to notify the serial number in the group.
  • the group number corresponding to the first resource set 2 is 1, 2, and the corresponding bit signaling is 11, and the sequence number of the eRBG in the group is 2, 4, and the corresponding bit signaling is 0101.
  • the 1101016 bits are used to notify the resource allocation information of the first resource set 2.
  • step 603 may specifically include:
  • the at least one first resource set includes a first resource set of an EPDCCH whose attribute is a transport centralized resource mapping and/or a first resource of an EPDCCH whose attribute is a transport distributed resource map set.
  • the at least one first resource set includes an attribute as a transmission centralized resource
  • the first resource set and the attribute of the mapped EPDCCH are the first resource set of the EPDCCH transmitting the distributed resource mapping. It is possible to simultaneously obtain the EPDCCH of the centralized resource mapping and the EPDCCH of the distributed resource mapping.
  • step 603 may specifically include:
  • the EPDCCH of the centralized resource mapping where the attribute of the first type of the first resource set in the at least one first resource set is an enhanced physical downlink control channel for transmitting the distributed resource mapping;
  • the second type of the first resource set in the at least one first resource set includes the resources included in the one or more first resource sets in the first class first resource set, and the second type first resource set in the second class
  • the attribute is an enhanced physical downlink control channel for transporting centralized resource mapping.
  • the EPDCCH of the centralized resource mapping can be obtained on the first resource set of the EPDCCH whose attribute is the transmission distributed resource mapping.
  • the at least one first resource set is a first resource set 1, a first resource set 2, and a first resource set 3, where the first resource set 1 includes 61 ⁇ 01 and 61 as shown in FIG. 6 (3).
  • the first resource set 6 includes eRBG2 and eRBG6 as shown in FIG. 4(a)
  • the first resource set 3 includes eRBG3 and eRBG7 as shown in FIG. 6(a).
  • the network side may combine another eRBG1 and eRBG2 in the first resource set 1 and the first resource set 2 with another first resource set 4, and set eRBG5 and eRBG6 into another first resource set 5, and then
  • the EPDCCH of the centralized resource mapping on a resource set 3 and the first resource set 4 transmits the EPDCCH of the distributed resource map in the first resource set 3.
  • the EPDCCH of the centralized resource mapping and the EPDCCH of the distributed resource mapping can be simultaneously obtained by the current user equipment, and can also be implemented in the frequency domain of the EPDCCH resource set (the third resource set included) for transmitting the distributed resource mapping.
  • the foregoing second resource set may be an RBG
  • the foregoing resource unit may be an RB or a PRB pair.
  • FIG. 12 is a schematic structural diagram of a network device according to an embodiment of the present invention. As shown in FIG. 12, the method includes: an allocating unit 11 and a transmitting unit 12, where:
  • the allocating unit 11 is configured to allocate, by the user equipment, at least one first resource set, where each first resource set includes S resource units, and each of the first resource sets includes S resource units respectively from the T second resource sets. ; S and T corresponding to different first resource sets are the same or different; and S and T are natural numbers greater than 0.
  • the transmitting unit 12 is configured to transmit an EPDCCH on the at least one first resource set.
  • FIG. 13 is a schematic structural diagram of a network device according to an embodiment of the present invention. As shown in FIG. 13, the method includes: an allocating unit 21, a sending unit 22, and a transmitting unit 23, where:
  • the allocating unit 21 is configured to allocate, by the user equipment, at least one first resource set, where each first resource set includes S resource units, and each of the first resource sets includes S resource units respectively from the T second resource sets. ; S and T corresponding to different first resource sets are the same or different; and S and T are natural numbers greater than 0.
  • the sending unit 22 is configured to send, by the user equipment, resource allocation information of the at least one first resource set.
  • the transmitting unit 23 is configured to transmit an EPDCCH on the at least one first resource set.
  • the transmitting the EPDCCH on the at least one first resource set may include:
  • the EPDCCH of the centralized resource mapping and/or the EPDCCH transmitting the distributed resource mapping are transmitted on the at least two first resource sets.
  • the foregoing is for each of the at least one first resource set a first resource set, where the S resource units have the same placeholder or serial number in the T second resource sets;
  • a part of the S resource units is in at least two of the T second resource sets
  • the placeholder or serial number is the same.
  • the sending unit 22 is specifically configured to send, to the user equipment, sequence number information of T second resource sets corresponding to each first resource set in the at least one first resource set, and Sequence number information or place information of the resource units included in each of the at least one first resource set in the T second resource sets.
  • the device may further include:
  • a pre-sending unit (not shown in the drawing), configured to send, to the user equipment, sequence number information of T second resource sets corresponding to each first resource set in the at least one first resource set, and a The serial number information or the place information of the resource unit in the second resource set.
  • the sending unit 22 may not need to send the sequence number information or the placeholder of the resource unit included in each of the at least one first resource set in the T second resource sets. information. Thereby saving the overhead of the system equipment.
  • a part of the S resource units is in at least two second resource sets of the T second resource sets.
  • the pre-transmission unit (not shown in the drawing) may also be used to send the occupancy information of the resource unit of each first resource set to the user equipment.
  • the foregoing second resource set may be an RBG
  • the foregoing resource unit may be an RB or a PRB pair.
  • FIG. 14 is a schematic structural diagram of another network device according to an embodiment of the present invention. As shown in FIG. 14, the method includes: an allocating unit 31, a transmitting unit 33, and a sending unit 32, where: The allocating unit 31 is configured to allocate, by the user equipment, at least one first resource set, where each first resource set includes M third resource sets;
  • Each of the third resource sets includes R resource units, and the R resource units of each third resource set are respectively derived from P second resource sets, and for each third resource set, the R resource units And the R or P corresponding to the different third resource sets in the M third resource set are the same or different, and the at least one first resource set is the same.
  • M, R, and P corresponding to different first resource sets are the same or different, and the M, R, and P are natural numbers greater than zero.
  • the set of resource units included in the M third resource sets is a set of the S resource units, and the resource units in the M third resource sets are derived from the T second resources. set.
  • the sending unit 32 is configured to send, by the user equipment, resource allocation information of the at least one first resource set.
  • the transmitting unit 33 is configured to transmit an EPDCCH on the at least one first resource set.
  • the sending unit 32 may be further configured to send, to the user equipment, sequence number information of all third resource sets included in the at least one first resource set.
  • the user may obtain the division information of the third resource set obtained in advance, or when receiving the sequence information of the third resource set sent by the sending unit 32.
  • the at least one first resource set may be selected from the downlink physical resource, and the EPDDCH is obtained.
  • the sending unit 32 may be further configured to send, to the user equipment, split information of a third resource set included in the at least one first resource set.
  • the device may further include:
  • a split information transmitting unit (not shown in the drawing) is configured to send split information of each third resource set to the user equipment.
  • the split information includes at least the following information:
  • the information of the P second resource sets corresponding to each third resource set, and the placeholder or serial number information of the resource unit included in each third resource set in the second resource set information are included in each third resource set in the second resource set information.
  • the manner of dividing the third resource set may be specifically as shown in FIG. 6 and FIG. 7.
  • the third resource set may be specifically defined as an enhanced resource block group (enhanced resource block group).
  • Group, eRBG enhanced resource block group
  • the foregoing resource unit may be an RB or a PRB pair
  • the second resource set may be an RBG. See the above example for details.
  • the sending unit 32 may be further configured to send, by the user equipment, the M third resource sets included in each of the at least one first resource set Sequence number information of the first resource set, and resource quantity information included in each of the at least one first resource set.
  • the resource quantity information includes:
  • the resource unit may be an RB or a PRB pair.
  • the first resource unit of the at least one first resource unit may include:
  • the initial third resource set and the other M-1 third resource sets, the sequence numbers of the M third resource sets or the positions in the physical resource frequency domain are discontinuous.
  • sequence numbers of the M third resource sets or the locations on the physical resource frequency domain are discontinuous.
  • sequence numbers of the M third resource sets or the locations on the physical resource frequency domain are discontinuous.
  • sequence numbers of the M third resource sets or the locations on the physical resource frequency domain are discontinuous.
  • the first resource unit of the at least one first resource unit may include:
  • the initial third resource set and the sequential S / R-1 third resource sets, the sequence numbers of the S / R third resource sets or the positions in the physical resource frequency domain are equally spaced.
  • the user equipment When the user equipment receives the sequence number information sent by the sending unit 32, and the resource quantity information, the user equipment determines the at least one according to the sequence number information of the starting third resource set and the resource quantity information.
  • the third resource set information included in the first resource set, and the third resource set included in the at least one first resource set is selected from the downlink physical resources according to the determined information, and the at least one The third resource set included in the first resource set Obtaining the EPDCCH.
  • the sending unit 32 is further configured to send, to the user equipment, a group in which the M third resource sets included in each of the at least one first resource set are included. Information and sequence number information or placeholder information in the group in which the group includes one or more third resource sets.
  • the grouping of the foregoing third resource set may be preset, as shown in FIG. 8.
  • the user equipment may respectively select each of the at least one first resource set according to the group information and the group information.
  • the group of the M third resource sets included in the resource set and selecting, according to the sequence number information in the group, the selected one of the at least one first resource set from the selected group M third resource sets, and acquiring the EPDCCH on the at least one first resource set.
  • the sequence number or the placeholder is the same.
  • the sending unit 32 is further configured to send, by the user equipment, the same sequence number information or placeholder information corresponding to each first resource set in the at least one first resource set.
  • the group of the embodiment may specifically include:
  • W second resource sets, the one or more third resource sets included in the group include resource units from the W second resource sets, and the W is an integer greater than 0.
  • the allocating unit 31 may be further configured to allocate, by the user equipment, at least one first resource set, where the at least one first resource set includes a first resource set of an EPDCCH whose attribute is a transport centralized resource mapping. And/or the attribute is a first set of resources of the EPDCCH transmitting the distributed resource mapping.
  • the foregoing attribute is a first resource set of an EPDCCH that transmits a centralized resource mapping
  • the attribute is a first resource set of an EPDCCH that transmits a distributed resource mapping, which are known to the present invention, for example, when the first resource is used.
  • the attribute of the first resource set is the EPDCCH of the transport centralized resource mapping; when the third resource set included in the first resource set is not on the sequence number
  • the attribute of the first resource set is the EPDCCH for transmitting the distributed resource mapping.
  • the at least one first resource set includes the first resource set of the EPDCCH whose attribute is the transmission centralized resource mapping and the first resource set of the EPDCCH whose attribute is the transmission distributed resource mapping. It is possible to implement EPDCCH for simultaneous transmission of centralized resource mapping and EPDCCH for distributed resource mapping.
  • the allocating unit 31 may be further configured to allocate, by the user equipment, at least one first resource set, where the attribute of the first type of the first resource set in the at least one first resource set is a transmission distributed Enhanced physical downlink control channel for resource mapping;
  • the second type of the first resource set in the at least one first resource set includes the resources included in the one or more first resource sets in the first class first resource set, and the second type first resource set in the second class
  • the attribute is an enhanced physical downlink control channel for transporting centralized resource mapping.
  • the EPDCCH of the centralized resource mapping is transmitted on the first resource set of the EPDCCH whose attribute is the transmission distributed resource mapping.
  • the foregoing second resource set may be an RBG
  • the foregoing resource unit may be an RB or a PRB pair.
  • FIG. 15 is a schematic structural diagram of a user equipment according to an embodiment of the present invention. As shown in FIG. 15, the method includes: a first acquiring unit 41, where:
  • the first obtaining unit 41 is configured to acquire an EPDCCH on the at least one first resource set.
  • Each of the first resource sets includes S resource units, and each of the first resource sets includes S resource units respectively from the T second resource sets; different first resource sets corresponding to S and T are the same or Different; the S and T are natural numbers greater than zero.
  • FIG. 16 is a schematic structural diagram of another user equipment according to an embodiment of the present invention. As shown in FIG. 16, the method includes: a receiving unit 51, a second obtaining unit 52, and a first acquiring unit 53, wherein:
  • the receiving unit 51 is configured to receive a resource allocation signal of the at least one first resource set sent by the network side.
  • the second obtaining unit 52 is configured to acquire the at least one first resource set on the downlink physical resource according to the resource allocation information.
  • the first obtaining unit 53 is configured to acquire an EPDCCH on the at least one first resource set
  • Each of the first resource sets includes S resource units, and each of the first resource sets includes S resource units respectively from the T second resource sets; different first resource sets corresponding to S and T are the same or Different; the S and T are natural numbers greater than zero.
  • the at least one first resource set may be selected from the downlink physical resources according to the resource allocation information of the first resource, and at least one of the foregoing
  • the EPDCCH is acquired on a set of resources.
  • the user equipment may Selecting, according to information such as an identifier or a sequence number of a resource unit (for example, an RB or a PRB pair), a resource unit (for example, an RB or a PRB pair) included in the information of the at least one first resource set from the downlink resources used for transmitting the EPDCCH. And acquiring an EPDCCH in a resource unit (for example, an RB or a PRB pair) included in the information of the at least one first resource set.
  • the first obtaining unit 53 may be further configured to acquire the EPDCCH of the centralized resource mapping and/or the EPDCCH of the distributed resource mapping on the at least two first resource sets.
  • the at least one first resource set includes a first resource set 1 and a third resource set 2
  • the first obtaining unit 53 may be an EPDCCH that acquires a centralized resource mapping on the first resource set 1, where the first resource set The EPDCCH of the distributed resource mapping is obtained on 2. It may also be that the EPDCCH of the centralized resource mapping or the EPDCCH transmitting the distributed resource mapping is transmitted in both the first resource set 1 and the first resource set 2.
  • the S resource units have the same placeholder or serial number in the T second resource sets.
  • a part of the S resource units is in at least two of the T second resource sets
  • the placeholder or serial number is the same.
  • the receiving unit 51 is further configured to receive at least one sent by the network side.
  • the second obtaining unit 52 is further configured to: select the second resource set information corresponding to the sequence number information in the downlink physical resource according to the sequence number information, and select, according to the sequence number information or the placeholder information, the selected second resource set.
  • the resource unit corresponding to the serial number information or the place information is selected.
  • the device when for each first resource set in the at least one first resource set, a placeholder or a serial number of the S resource units in the T second resource set Meanwhile, the device further includes:
  • An information receiving unit (not shown in the drawing), configured to receive sequence number information of T second resource sets corresponding to each first resource set in the at least one first resource set sent by the network side, and one of the The serial number information or the place information of the resource unit in the second resource set.
  • the receiving unit 51 may not need to receive the sequence number information or the placeholder of the resource unit included in each of the at least one first resource set in the T second resource sets. information. Thereby saving the overhead of the system equipment.
  • a part of the S resource units is in at least two second resource sets of the T second resource sets.
  • the information receiving unit (not shown in the drawing) may also be used to receive the placeholder information of the resource unit of each first resource set sent by the network side.
  • the foregoing second resource set may be an RBG
  • the foregoing resource unit may be an RB or a PRB pair.
  • FIG. 17 is a schematic structural diagram of another user equipment according to an embodiment of the present invention. As shown in FIG. 17, the method includes: a receiving unit 61, a second obtaining unit 62, and a first acquiring unit 63, where:
  • the receiving unit 61 is configured to receive, by the resource allocation information, the second acquiring unit 62, where the at least one first resource set sent by the network side is configured, to obtain, according to the resource allocation information, the downlink physical resource. At least one first set of resources.
  • the first obtaining unit 63 is configured to acquire an EPDCCH on the at least one first resource set.
  • Each of the first resource sets includes R third resource sets, and each of the third resource sets includes R resource units, respectively, from the P second resource sets, and For each of the third resource sets, the R or P numbers of the R resource units are the same; the R and P corresponding to the different third resource sets of the M third resource sets.
  • the M, R, and P corresponding to the different first resource sets in the at least one first resource set are the same or different, and the M, R, and P are natural numbers greater than 0.
  • the set of resource units included in the M third resource sets is a set of the S resource units, and the resource units in the M third resource sets are derived from the T second resources. set.
  • the receiving unit 61 may be further configured to receive sequence number information of all third resource sets included in the at least one first resource set sent by the network side.
  • the second obtaining unit 62 is further configured to acquire, according to the sequence number information and the split information of the third resource, the third resource set corresponding to the sequence number information on the downlink physical resource; the third resource split information is pre-acquired or Obtained when the serial number information is obtained.
  • the downlink physical resource may be obtained according to the division information of the third resource set acquired in advance or when the receiving unit 61 receives the sequence information of the third resource set. Selecting at least one of the first resource sets and acquiring the EPDDCH.
  • the receiving unit 61 may be further configured to receive split information of the third resource set included in the at least one first resource set sent by the network side.
  • the split information includes at least the following information:
  • the information of the P second resource sets corresponding to each third resource set, and the placeholder or serial number information of the resource unit included in each third resource set in the second resource set information are included in each third resource set in the second resource set information.
  • the manner of dividing the third resource set may be specifically as shown in FIG. 6 and FIG. 7.
  • the third resource set may be specifically defined as an eRBG, and the foregoing resource unit may be an RB or a PRB pair, where the foregoing
  • the second resource set may specifically be an RBG. See the previous example for details.
  • the receiving unit 61 may be further configured to receive a start third of the third resource set included in each first resource set in the at least one first resource set sent by the network side. Sequence number information of the resource set, and resource quantity information included in each of the at least one first resource set;
  • the second obtaining unit 62 is further configured to calculate, according to the resource quantity information included in each first resource set in the at least one first resource set, each first one of the at least one first resource set.
  • the resource set includes the number of the third resource information, and the first resource set in the at least one first resource set is calculated according to the calculated number and the sequence number information of the starting third resource set.
  • the sequence number information of the third resource set is obtained, and the third resource set corresponding to the sequence number information is obtained on the downlink physical resource according to the calculated sequence number information.
  • the resource quantity information includes:
  • the resource unit may be an RB or a PRB pair.
  • the first resource unit of the at least one first resource unit may include:
  • the initial third resource set and the other M-1 third resource sets, the sequence numbers of the M third resource sets or the positions in the physical resource frequency domain are discontinuous.
  • sequence numbers of the M third resource sets or the locations on the physical resource frequency domain are discontinuous.
  • the first resource unit of the at least one first resource unit may include:
  • the initial third resource set and the sequential S/R-1 third resource sets, the sequence numbers of the S/R third resource sets or the positions in the physical resource frequency domain are discontinuous.
  • sequence number of the S/R third resource set or the location of the physical resource frequency domain is discontinuous.
  • the specific sequence may include:
  • the receiving unit 61 may be further configured to receive information about a group of the M third resource sets included in each first resource set in the at least one first resource set sent by the network side, and Sequence number information or placeholder information in the group in which the group includes one or more third Resource collection
  • the second obtaining unit 62 is further configured to: select, according to the information of the group, a group of the M third resource sets included in each of the at least one first resource set from the downlink physical resources. And selecting, according to the sequence number information in the group, the M third resource sets included in each of the at least one first resource set from the selected group.
  • the sequence number or the placeholder is the same.
  • the receiving unit 61 is further configured to receive the same sequence number information or placeholder information corresponding to each first resource set in the at least one first resource set sent by the network side.
  • the group of the embodiment may specifically include:
  • W second resource sets, the one or more third resource sets included in the group include resource units from the W second resource sets, and the W is an integer greater than 0.
  • the first obtaining unit 63 may be further configured to acquire an EPDCCH on the at least one first resource set, where the at least one first resource set includes a first one of an EPDCCH whose attribute is a transport centralized resource mapping.
  • the resource set and/or attribute is a first set of resources of the EPDCCH that transports the distributed resource map.
  • the at least one first resource set includes the first resource set of the EPDCCH whose attribute is the transmission centralized resource mapping and the first resource set of the EPDCCH whose attribute is the transmission distributed resource mapping. It is possible to simultaneously obtain the EPDCCH of the centralized resource mapping and the EPDCCH of the distributed resource mapping.
  • the first acquiring unit 63 may be further configured to: acquire, by using the EPDCCH of the centralized resource mapping, the first type of the first resource in the at least one first resource set.
  • the set of attributes is an enhanced physical downlink control channel for transmitting the distributed resource mapping;
  • the second type of the first resource set of the at least one first resource set includes one or more of the first type of the first set of resources
  • the resource included in the resource set, and the attribute of the second type of the first resource set is an enhanced physical downlink control channel for transmitting the centralized resource mapping.
  • the foregoing second resource set may be an RBG
  • the foregoing resource unit may be an RB or a PRB pair.
  • FIG. 18 is a schematic structural diagram of an EPDCCH allocation and indication system according to an embodiment of the present invention.
  • the network device 71 and the user equipment 72 are:
  • the network device 71 may specifically be the network device of any of the embodiments provided in the embodiments shown in Figures 12-14.
  • the user equipment 72 may specifically be the user equipment of any of the embodiments provided in the embodiments shown in FIG.
  • the network device allocates at least one first resource set to the user equipment, each first resource set includes S resource units, and each of the first resource sets includes S resource units respectively from the T second resources. And transmitting: an EPDCCH on the at least one first resource set.
  • the user equipment transmits the EPDCCH on the at least one first set of resources. This can solve the problem of resource allocation and indication of EPDCCH.
  • FIG. 19 is a schematic structural diagram of another network device according to an embodiment of the present invention. As shown in FIG. 19, the method includes: a processor 81, where:
  • the processor 81 is configured to perform the following steps:
  • each first resource set includes S resource units, and each of the first resource sets includes S resource units respectively from the T second resource sets; different first resources
  • the S and T corresponding to the set are the same or different; the S and T are natural numbers greater than 0;
  • FIG. 20 is a schematic structural diagram of another network device according to an embodiment of the present invention. As shown in FIG. 20, the method includes: a processor 91 and a transmitter 92, where:
  • the processor 91 is configured to perform the following steps:
  • each first resource set including S resources Units
  • each of the first resource sets includes S resource units respectively from the T second resource sets; different first resource sets corresponding to S and T are the same or different; and the S and T are greater than 0. Natural number;
  • the sender 92 is configured to send the resource allocation information of the at least one first resource set to the user equipment.
  • the transmitter 92 may specifically perform a transmitting action after the processor 91 performs the step of allocating at least one first resource set for the user equipment.
  • the transmitting the EPDCCH on the at least one first resource set may include:
  • the EPDCCH of the centralized resource mapping and/or the EPDCCH transmitting the distributed resource mapping are transmitted on the at least two first resource sets.
  • the placeholders or serial numbers of the S resource units in the T second resource sets are the same;
  • a part of the S resource units is in at least two of the T second resource sets
  • the placeholder or serial number is the same.
  • the transmitter 92 may be further configured to send, to the user equipment, sequence number information of T second resource sets corresponding to each first resource set in the at least one first resource set, where And sequence number information or placeholder information of the resource units included in each of the at least one first resource set in the T second resource sets.
  • the transmitter 92 may further be configured to send, to the user equipment, sequence number information of T second resource sets corresponding to each first resource set in the at least one first resource set, and one of the resource units is Sequence number information or placeholder information in the second resource set.
  • the step of the processor 91 for assigning the at least one first resource set to the user equipment may specifically include:
  • each first resource set including M third Resource collection
  • Each of the third resource sets includes R resource units, and the R resource units of each third resource set are respectively derived from P second resource sets, and for each third resource set, the R resource units And the R or P corresponding to the different third resource sets in the M third resource set are the same or different, and the at least one first resource set is the same.
  • M, R, and P corresponding to different first resource sets are the same or different, and the M, R, and P are natural numbers greater than zero.
  • the set of resource units included in the M third resource sets is a set of the S resource units, and the resource units in the M third resource sets are derived from the T second resources. set.
  • the transmitter 92 is specifically configured to send, to the user equipment, sequence number information of all third resource sets included in the at least one first resource set.
  • the user may obtain the division information of the third resource set obtained in advance, or when receiving the sequence information of the third resource set sent by the transmitter 92.
  • the at least one first resource set may be selected from the downlink physical resource, and the EPDDCH is obtained.
  • the transmitter 92 is specifically configured to send, to the user equipment, split information of a third resource set included in the at least one first resource set.
  • the transmitting 92 may further send the split information of each third resource set to the user equipment before sending the sequence number information of the third resource set.
  • the split information includes at least the following information:
  • the information of the P second resource sets corresponding to each third resource set, and the placeholder or serial number information of the resource unit included in each third resource set in the second resource set information are included in each third resource set in the second resource set information.
  • the foregoing split information may be the information shown in FIG. 6 or FIG. 7 above.
  • the transmitter 92 is further configured to send, by the user equipment, the M third resource sets included in each of the at least one first resource set. Sequence number information of the first resource set, and resource quantity information included in each of the at least one first resource set.
  • the resource quantity information includes:
  • the resource unit may be an RB or a PRB pair.
  • the first resource unit in the at least one first resource unit may include:
  • the initial third resource set and the other M-1 third resource sets, the sequence numbers of the M third resource sets or the positions in the physical resource frequency domain are discontinuous.
  • sequence numbers of the M third resource sets or the locations on the physical resource frequency domain are discontinuous.
  • the first resource unit of the at least one first resource unit may include:
  • the initial third resource set and the sequential S/R-1 third resource sets, the sequence numbers of the S/R third resource sets or the positions in the physical resource frequency domain are discontinuous.
  • sequence number of the S/R third resource set or the location of the physical resource frequency domain is discontinuous.
  • the specific sequence may include:
  • the transmitter 92 is further configured to send, to the user equipment, a group in which the M third resource sets included in each first resource set in the at least one first resource set are located. Information and sequence number information or placeholder information in the group in which the group includes one or more third resource sets.
  • the grouping of the foregoing third resource set may be preset or agreed, as shown in FIG. 8.
  • the transmitter 92 is specifically configured to send, by the user equipment, the same sequence number information or a placeholder corresponding to each first resource set in the at least one first resource set. information.
  • the group of the embodiment may specifically include:
  • W second resource sets the set includes one or more resources included in the third resource set
  • the unit is from the W second resource sets, and the W is an integer greater than 0.
  • the step of the processor 91 for assigning the at least one first resource set to the user equipment may specifically include:
  • the foregoing attribute is a first resource set of an EPDCCH that transmits a centralized resource mapping
  • the attribute is a first resource set of an EPDCCH that transmits a distributed resource mapping, which are known to the present invention, for example, when the first resource is used.
  • the attribute of the first resource set is the EPDCCH of the transport centralized resource mapping; when the third resource set included in the first resource set is not on the sequence number
  • the attribute of the first resource set is the EPDCCH for transmitting the distributed resource mapping.
  • the step of the processor 91 for assigning the at least one first resource set to the user equipment may specifically include:
  • the second type of the first resource set in the set includes the resources included in the one or more first resource sets in the first type of the first resource set, and the attribute of the second type first resource set is the transport centralized resource mapping Enhanced physical downlink control channel.
  • the EPDCCH of the centralized resource mapping is transmitted on the first resource set of the EPDCCH whose attribute is the transmission distributed resource mapping.
  • the foregoing second resource set may be an RBG
  • the foregoing resource unit may be an RB or a PRB pair.
  • the network device may further include:
  • the memory 93 is used to store a program executed by the processor 91.
  • FIG. 21 is a schematic structural diagram of another user equipment according to an embodiment of the present invention. As shown in FIG. 21, the method includes: a processor 101, where: The processor 101 is configured to perform the following steps:
  • Each of the first resource sets includes S resource units, and each of the first resource sets includes S resource units respectively from the T second resource sets; different first resource sets corresponding to S and T are the same or Different; the S and T are natural numbers greater than zero.
  • FIG. 22 is a schematic structural diagram of another user equipment according to an embodiment of the present invention. As shown in FIG. 22, the method includes: a receiver 111 and a processor 112, where:
  • the receiver 111 is configured to receive resource allocation information of at least one first resource set sent by the network side.
  • the processor 112 is configured to perform the following steps:
  • Each of the first resource sets includes S resource units, and each of the first resource sets includes S resource units respectively from the T second resource sets; different first resource sets corresponding to S and T are the same or Different; the S and T are natural numbers greater than zero.
  • the step of the processor 112 to obtain the EPDCCH on the at least one first resource set may specifically include:
  • the S resource units have the same placeholder or serial number in the T second resource sets.
  • a part of the S resource units is in at least two of the T second resource sets
  • the placeholder or serial number is the same.
  • the receiver 111 is further configured to receive sequence number information of the T second resource sets corresponding to each first resource set in the at least one first resource set sent by the network side, where And sequence number information or placeholder information of the resource units included in each of the at least one first resource set in the ⁇ second resource sets;
  • the step of the processor 112 to obtain the at least one first resource set on the downlink physical resource according to the resource allocation information may specifically include:
  • the receiver 111 is further configured to receive sequence number information of the T second resource sets corresponding to each of the at least one first resource set sent by the network side, and one of the resource units is in the Sequence number information or placeholder information in the second resource set.
  • the step of the processor 112 to obtain the EPDCCH on the at least one first resource set may specifically include:
  • Each of the first resource sets includes R third resource sets, and each of the third resource sets includes R resource units, respectively, from the P second resource sets, and For each of the third resource sets, the R or P numbers of the R resource units are the same; the R and P corresponding to the different third resource sets of the M third resource sets.
  • the M, R, and P corresponding to the different first resource sets in the at least one first resource set are the same or different, and the M, R, and P are natural numbers greater than 0.
  • the set of resource units included in the M third resource sets is a set of the S resource units, and the resource units in the M third resource sets are derived from the T second resources. set.
  • the receiver 111 is further configured to receive sequence number information of all third resource sets included in the at least one first resource set sent by the network side.
  • the step of acquiring, by the processor 112, the at least one first resource set on the downlink physical resource according to the resource allocation information may specifically include:
  • the third resource splitting information is pre-acquired or acquired Obtained when the serial number information is described.
  • the receiver 111 is further configured to receive the split information of the third resource set included in the at least one first resource set that is sent by the network side.
  • the split information includes at least the following information:
  • the information of the p second resource sets corresponding to each third resource set, and the placeholder or serial number information of the resource units included in each third resource set in the second resource set information is not limited.
  • the receiver 111 is further configured to receive a start third resource set in the third resource set included in each first resource set in the at least one first resource set sent by the network side. Sequence number information, and resource quantity information included in each of the at least one first resource set.
  • the step of acquiring, by the processor 112, the third resource set corresponding to the sequence number information on the downlink physical resource, according to the sequence number information and the split information of the third resource may specifically include:
  • the resource quantity information includes:
  • the number of third resource sets M and / or the number of resource units 1 is the number of third resource sets M and / or the number of resource units 1 .
  • the resource unit may be an RB or a PRB pair.
  • the first resource unit of the at least one first resource unit may include: the starting third resource set and the M-1 third resource sets in sequence; or
  • the initial third resource set and the other M-1 third resource sets, the sequence numbers of the M third resource sets or the positions in the physical resource frequency domain are discontinuous.
  • sequence numbers of the M third resource sets or the locations on the physical resource frequency domain are discontinuous.
  • the sequence number of the M third resource set or the location of the physical resource frequency domain is optional, and the first resource unit of the at least one first resource unit may include: a collection of resources and a sequential S/R-1 set of third resources; or, The initial third resource set and the sequential S/R-1 third resource sets, the sequence numbers of the S/R third resource sets or the positions in the physical resource frequency domain are discontinuous.
  • sequence number of the S/R third resource set or the location of the physical resource frequency domain is discontinuous.
  • the specific sequence may include:
  • the receiver 111 is further configured to receive information about a group of the M third resource sets included in each first resource set in the at least one first resource set sent by the network side, and Sequence number information or placeholder information in a group in which the group includes one or more third resource sets.
  • the step of acquiring, by the processor 112, the third resource set corresponding to the sequence number information on the downlink physical resource, according to the sequence number information and the split information of the third resource may specifically include:
  • the M third resource sets are the same in the group or the placeholder in the group in which the M third resource sets are located.
  • the receiver 111 is specifically configured to receive the same sequence number information or placeholder information corresponding to each first resource set in the at least one first resource set sent by the network side.
  • the group of the embodiment may specifically include:
  • W second resource sets, the one or more third resource sets included in the group include resource units from the W second resource sets, and the W is an integer greater than 0.
  • the step of the processor 112 to obtain the EPDCCH on the at least one first resource set may specifically include:
  • the at least one first resource set includes a first resource set of an EPDCCH whose attribute is a transport centralized resource mapping and/or a first resource of an EPDCCH whose attribute is a transport distributed resource map set.
  • the step of the processor 112 to obtain the EPDCCH on the at least one first resource set may specifically include:
  • the at least one The first type of the first resource set in the first resource set is an enhanced physical downlink control channel for transmitting the distributed resource mapping;
  • the second type of the first resource set in the at least one first resource set includes the resources included in the one or more first resource sets in the first class first resource set, and the second type first resource set in the second class
  • the attribute is an enhanced physical downlink control channel for transporting centralized resource mapping.
  • the foregoing second resource set may be an RBG
  • the foregoing resource unit may be an RB or a PRB pair.
  • the user equipment may further include:
  • the memory 113 is configured to store a program executed by the processor 112.
  • FIG. 23 is a schematic structural diagram of an EPDCCH allocation and indication system according to an embodiment of the present invention.
  • the network device 121 and the user equipment 122 are:
  • the network device 121 may specifically be the network device of any of the embodiments provided in the embodiment shown in FIG. 19 or FIG.
  • the user equipment 122 may specifically be the user equipment of any of the embodiments provided in the embodiment shown in FIG. 21 or FIG.
  • the network device allocates at least one first resource set to the user equipment, each first resource set includes S resource units, and each of the first resource sets includes S resource units respectively from the T second resources. And transmitting: an EPDCCH on the at least one first resource set.
  • the user equipment transmits the EPDCCH on the at least one first set of resources. This can solve the problem of resource allocation and indication of EPDCCH.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (Random Access Memory).

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Abstract

Selon des modes de réalisation, la présente invention concerne un procédé, un dispositif et un système d'affectation de ressources, ainsi qu'un procédé et un dispositif d'obtention de ressources. Le procédé d'affectation de ressources consiste : à affecter au moins une collection de premières ressources à un équipement utilisateur, chaque collection de premières ressources comprenant S unités de ressources qui proviennent de T collections de secondes ressources, S et T correspondant à des collections de différentes premières ressources qui sont identiques ou différentes et étant des entiers naturels plus grands que 0; et à transmettre un canal de commande de liaison descendante physique amélioré (EPDCCH) sur la ou les collections de premières ressources. En conséquence, selon des modes de réalisation, la présente invention se rapporte également à un procédé d'obtention de ressources ainsi qu'à un dispositif et un système connexes. Les modes de réalisation de cette invention permettent de résoudre le problème de l'affectation de ressources pour l'EPDCCH.
PCT/CN2012/082375 2012-09-28 2012-09-28 Procédé, dispositif et système d'affectation de ressources et procédé et dispositif d'obtention de ressources WO2014047897A1 (fr)

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CN201280074199.1A CN104380817B (zh) 2012-09-28 2012-09-28 资源分配方法、设备和系统，资源获取方法及设备

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