[go: up one dir, main page]

WO2012152149A1 - Procédé et dispositif de réception et d'émission d'informations dans un canal de commande de liaison descendante physique - Google Patents

Procédé et dispositif de réception et d'émission d'informations dans un canal de commande de liaison descendante physique Download PDF

Info

Publication number
WO2012152149A1
WO2012152149A1 PCT/CN2012/073197 CN2012073197W WO2012152149A1 WO 2012152149 A1 WO2012152149 A1 WO 2012152149A1 CN 2012073197 W CN2012073197 W CN 2012073197W WO 2012152149 A1 WO2012152149 A1 WO 2012152149A1
Authority
WO
WIPO (PCT)
Prior art keywords
enhanced pdcch
cluster
pdcch
resource
enhanced
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2012/073197
Other languages
English (en)
Chinese (zh)
Inventor
赵锐
沈祖康
潘学明
肖国军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Academy of Telecommunications Technology CATT
Original Assignee
China Academy of Telecommunications Technology CATT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Academy of Telecommunications Technology CATT filed Critical China Academy of Telecommunications Technology CATT
Publication of WO2012152149A1 publication Critical patent/WO2012152149A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management

Definitions

  • the present invention relates to wireless communication technologies, and in particular, to a method and device for transmitting and receiving information on a physical downlink control channel. Background technique
  • Figure 1 is a schematic diagram of the multiplexing relationship between a control region and a data region in a downlink subframe.
  • Nc subcarriers are the number of subcarriers available to the system, and Nc subcarriers, as shown in the figure, in LTE (Long Term Evolution, long term)
  • the downlink control channel PDCCH Physical Downlink Control Channel
  • PDCCH Physical Downlink Control Channel
  • a TDM (Time Division Multiplexing) multiplexing relationship is formed.
  • the control region for transmitting PDCCH in the LTE system is a CCE divided by logic.
  • DCI Downlink Control Information
  • One DCI for one UE can be transmitted in N consecutive CCEs. The value is 1, 2, 4, and 8 and is called the CCE aggregation level.
  • the UE performs a PDCCH blind check in the control area to search whether there is a PDCCH for the PDCCH, and the blind detection uses the RNTI (Radio Network Temporary Identity) of the UE to decode different DCI formats and CCE aggregation levels. If the decoding is correct, the DCI for the UE is received.
  • the LTE UE needs to perform blind detection on the control region for each downlink subframe in the non-DRX (Discontinuous Reception) state to search for the PDCCH.
  • the control area in one subframe of the LTE system is composed of two spaces, namely CSS (Common Search Space) and UESS (UE-specific Search Space).
  • the common search space is mainly used for transmitting DCIs for scheduling cell-specific control information (such as system information, paging messages, multicast power control information, etc.), and the user-specific search space is mainly used for transmitting DCIs scheduled for each UE resource.
  • the common search space in each downlink subframe includes the first 16 CCEs, and the CCE aggregation level in the common search space only supports 4, 8; the starting CCE location of each user-specific UE search space in each downlink subframe Related to the subframe number, the RNTI of the UE, etc., the CCE aggregation level 1 , 2, 4, 8 is supported in the user-specific search space.
  • blind detection of each aggregation level corresponds to one search space, that is, UE blind detection different aggregation levels are performed in different search spaces.
  • Table 1 shows the CCE space that a UE needs to be blindly checked in a downlink subframe, where L indicates the size of the aggregation level, Size indicates the number of CCEs that need to be blindly checked for each aggregation level, and M ( L ) indicates The number of blind test attempts for each aggregation level.
  • 2 is a schematic diagram of a UE performing PDCCH blind detection in a downlink subframe. As shown in the figure, FIG. 2 further shows an indication of the blind detection process. According to Table 1, a UE needs to perform 22 PDCCH channel resource attempts in one downlink subframe, wherein the common search space has a total of 6 PDCCH channel resources, and the user-specific search space has a total of 16 PDCCH channel resources.
  • Table 1 CCE space that a UE needs to blindly check in a downlink subframe Search space k Number of
  • LTE-Advanced Long Term Evolution-Advanced
  • COMP Coordinatd multi-point transmission/reception
  • enhanced MU-MIMO Multiusers-MIMO, multi-user MIMO
  • MIMO Multiple Input Multiple Output, multiple transmission multiple transmission scheme.
  • COMP Coordinatd multi-point transmission/reception
  • MU-MIMO Multiusers-MIMO, multi-user MIMO
  • MIMO Multiple Input Multiple Output, multiple transmission multiple transmission scheme.
  • a possible scenario of the COMP is that a macro base station and a plurality of distributed RRHs (remote radio heads) logically form a cell, and the coverage of the cell and the number of users accessed are more than the original ones.
  • the LTE system has greatly increased.
  • the extensive use of enhanced MU-MIMO has greatly increased the number of users in the community. Therefore, higher requirements are placed on the capacity of the PDCCH, and the existing LTE PDCCH design cannot meet the requirements.
  • FIG. 3 is a schematic diagram of a structure of an enhanced PDCCH.
  • a conventional PDCCH is called a legacy PDCCH
  • a PCFICH is a physical control format indicator channel (Physical Control Format Indicator Channel).
  • the disadvantage of the prior art is that there is no enhancement to the existing disclosed technology.
  • the technical problem to be solved by the present invention is to provide a method and device for transmitting and receiving information on an enhanced PDCCH.
  • An embodiment of the present invention provides a method for sending information on a PDCCH, including the following steps:
  • the base station indicates to the UE the resource location of the enhanced PDCCH cluster constituting the enhanced PDCCH, where the enhanced PDCCH cluster is a set of PRBs;
  • the base station transmits scheduling information to the UE at the resource location of the enhanced PDCCH cluster.
  • An embodiment of the present invention provides a method for receiving information on a PDCCH, including the following steps:
  • the UE determines, according to the indication of the base station, the resource location of the enhanced PDCCH cluster that constitutes the enhanced PDCCH, where the enhanced PDCCH cluster is a set of PRBs; the UE performs blind detection on the resource location of the enhanced PDCCH cluster to receive scheduling information transmitted by the base station to the UE.
  • a base station is provided in the embodiment of the present invention, including:
  • an indication module configured to indicate, to the UE, a resource location of an enhanced PDCCH cluster that constitutes an enhanced PDCCH, where the enhanced PDCCH cluster is a set of PRBs;
  • a transmission module configured to transmit scheduling information to the UE at a resource location of the enhanced PDCCH cluster.
  • a user equipment is provided in the embodiment of the present invention, including:
  • a determining module configured to determine, according to an indication of a base station, a resource location of an enhanced PDCCH cluster that constitutes an enhanced PDCCH, where the enhanced PDCCH cluster is a set of PRBs;
  • Blind detection module for performing resource locations on the enhanced PDCCH cluster Blind detection to receive scheduling information transmitted by the base station to the UE.
  • the resource utilization of the PDCCH in the technical solution provided by the embodiment of the present invention is higher than that of the PDCCH in the traditional LTE Rel-8 or Rel-10, and thus can be carried in the same PDCCH resource.
  • the number of PDCCHs is relatively large, so the capacity of the PDCCH can be effectively increased.
  • FIG. 1 is a schematic diagram of a multiplexing relationship between a control area and a data area in a downlink subframe in the background art
  • FIG. 2 is a schematic diagram of a PDCCH blind check performed by a UE in a downlink subframe in the background art
  • FIG. 3 is a schematic structural diagram of an enhanced PDCCH in the background art
  • FIG. 4 is a schematic flowchart of a method for transmitting information on a PDCCH on a base station side according to an embodiment of the present invention
  • FIG. 5 is a schematic flowchart of implementing an information receiving method on a PDCCH of a UE side according to an embodiment of the present disclosure
  • FIG. 6 is a schematic diagram of indicating an enhanced PDCCH cluster resource location in an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of an enhanced PDCCH cluster according to an embodiment of the present invention
  • FIG. 8 is a schematic diagram 1 of a PDCCH search space of a DL grant with different time-frequency resource aggregation levels according to an embodiment of the present invention
  • FIG. 9 is a second schematic diagram of a PDCCH search space of a DL grant with different time-frequency resource aggregation levels according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram 1 of a PDCCH search space of a UL grant different time-frequency resource aggregation level according to an embodiment of the present invention
  • FIG. 11 is a second schematic diagram of a PDCCH search space of a UL grant different time-frequency resource aggregation level according to an embodiment of the present invention
  • FIG. 12 is a schematic structural diagram of a base station according to an embodiment of the present invention.
  • FIG. 13 is a schematic structural diagram of a user equipment according to an embodiment of the present invention. detailed description
  • FIG. 4 is a schematic flowchart of a method for transmitting information on a PDCCH on a base station side. As shown in the figure, the following steps may be included:
  • Step 401 The base station indicates, to the UE, a resource location of an enhanced PDCCH cluster (Enhanced PDCCH cluster) that constitutes an enhanced PDCCH, where the enhanced PDCCH cluster is a set of PRBs;
  • Enhanced PDCCH cluster Enhanced PDCCH cluster
  • Step 402 The base station transmits scheduling information to the UE at a resource location of the enhanced PDCCH cluster.
  • FIG. 5 is a schematic flowchart of a method for receiving information on a PDCCH on a UE side. As shown in the figure, the following steps may be included:
  • Step 501 The UE determines, according to an indication of the base station, a resource location of an enhanced PDCCH cluster that constitutes an enhanced PDCCH, where the enhanced PDCCH cluster is a set of PRBs;
  • Step 502 The UE performs blind detection on the resource location of the enhanced PDCCH cluster to receive scheduling information that the base station transmits to the UE.
  • FIG. 6 is a schematic diagram indicating the location of an enhanced PDCCH cluster resource, such as S1 and S2 shown in FIG. 6, which respectively indicate the number of the PRB starting from the enhanced PDCCH cluster (enhanced resource cluster) 1 and 2, where the enhanced PDCCH cluster It can be one or more, and the figure shows two.
  • the base station indicates, to the UE, the resource location of the enhanced PDCCH cluster that constitutes the enhanced PDCCH, which may include:
  • the indication manner may be a starting PRB number indicating the first cluster, and the frequency domain interval between different clusters is indicated by another signaling, or by a protocol.
  • the PRB number location is indicated to the UE.
  • the indication manner may be indicating the starting point PRB number position of each cluster.
  • Figure 7 is a schematic diagram of enhanced PDCCH cluster, Enhanced PDCCH cluster. Figure 7 shows:
  • the number of PRBs in the enhanced PDCCH cluster may be fixed or may be configured by signaling.
  • the number of PRBs in an enhanced PDCCH cluste may be fixed, for example, 4 or 8; or may be configured by signaling.
  • the granularity of the resources within the enhanced PDCCH cluster is in the frequency domain in the PRB unit. In the time domain, the time slot is the unit. In a subframe duration, the minimum resource of two enhance PDCCH clusters in one PRB is the smallest. Units, different aggregation levels in the enhanced PDCCH cluster refer to the aggregation level of the enhanced PDCCH cluster time-frequency resource granularity.
  • the resource granularity inside the Enhanced PDCCH is in the PRB unit in the frequency domain, and is in the time slot as the time slot. As shown in FIG. 7, in one subframe duration, one PRB has two internals.
  • the minimum unit of resources of the enhance PDCCH which is similar to the concept of CCE in LTE/LTE-A.
  • the different aggregation levels in the enhanced PDCCH refer to the aggregation level of the above-mentioned enhanced PDCCH time-frequency resource granularity.
  • the time slot inside the enhanced PDCCH resource may be The slot separation points in the PDSCH are different.
  • the slot position of the enhanced PDCCH may be different in the implementation.
  • the separation point of its time slot may be the position where the 8th OFDM symbol ends.
  • the base station transmits the scheduling information to the UE at the resource location of the enhanced PDCCH cluster, which may include:
  • the PDCCH resource occupied by the DL grant starts from the first PDCCH time-frequency resource of the enhanced PDCCH cluster;
  • the PDCCH resource occupied by the UL grant does not include the first PDCCH time-frequency resource of the enhanced PDCCH cluster.
  • the Enhanced PDCCH search space is allocated based on the enhanced PDCCH cluster.
  • FIG. 8 is a schematic diagram 1 of the PDCCH search space of the DL grant different time-frequency resource aggregation level, and the enhanced shown in the figure
  • the time-frequency granularity of the PDCCH resource is as shown in FIG. 7, and the specific allocation is as shown in FIG. 8:
  • the PDCCH resource in the enhanced DCCH cluster occupied by the corresponding DL grant is ⁇ 1 ⁇ ;
  • the corresponding resources are ⁇ 1, 2, 3, 4, 5, 6, 7, 8 ⁇ .
  • the allocation is not limited to the previous method, you can also put the DL grant into In the second slot of the enhanced PDCCH cluster, another method is exemplified below.
  • Figure 9 shows the PDCCH search space of the DL grant with different time-frequency resource aggregation levels.
  • the time-frequency granularity of the enhanced PDCCH resources shown in Figure 7 is as shown in Figure 7.
  • the specific allocation is as shown in Figure 9:
  • the PDCCH resource in the enhanced DCCH cluster occupied by the corresponding DL grant is ⁇ 1 ⁇ ;
  • the PDCCH resource occupied by the UL grant always does not include the first PDCCH time-frequency resource of the enhanced PDCCH cluster, and the search space can be allocated in the following manners as shown in the following embodiments 1 and 2:
  • FIG. 10 is a first schematic diagram of a PDCCH search space of a UL grant different time-frequency resource aggregation level.
  • the time-frequency granularity of the enhanced PDCCH resource shown in the figure is as shown in FIG. 7 , and the specific allocation may be as shown in FIG. 10 . :
  • the PDCCH resource in the DCCH cluster is ⁇ 2 ⁇ ;
  • the corresponding resource is ⁇ 9, 10, 11, 12, 13, 14, 15, 16 ⁇ .
  • Embodiment 2 The time-frequency granularity of the enhanced PDCCH resource is as shown in FIG. 7 , and may be:
  • the PDCCH resource in the enhanced DCCH cluster occupied by the corresponding UL grant is ⁇ 2 ⁇ ;
  • the corresponding resources are ⁇ 3, 4 ⁇ and ⁇ 5, 6 ⁇ ;
  • the corresponding resources are ⁇ 3, 4, 5, 6 ⁇ and ⁇ 5, 6, 7, 8 ⁇ ;
  • the corresponding resources are ⁇ 5, 6, 7, 8, 9, 10, 11, 12 ⁇ and ⁇ 9, 10, 11, 12, 13, 14, 15 , 16 ⁇ .
  • the UL grant can also be placed in the second slot of the enhanced PDCCH cluster.
  • Figure 11 is a schematic diagram of the PDCCH search space of the UL grant different time-frequency resource aggregation levels. As shown in the figure, an implementation manner can be as follows:
  • the PDCCH resource in the enhanced DCCH cluster occupied by the corresponding UL grant is ⁇ 2 ⁇ ;
  • the corresponding resource is ⁇ 2, 4, 6, 8, 10, 12, 14, 16 ⁇ .
  • the UE when the UE performs blind detection on the resource location of the enhanced PDCCH cluster, it may be:
  • Determining the number of times of blind detection DL grant is: according to the PDCCH channel resource, the two DCI formats, and the number of enhanced PDCCH clusters of 4 candidates (candidates) in an enhanced PDCCH cluster;
  • determining the number of times of blind detection UL grant is: in the case of supporting UL-MIMO (uplink MIMO), according to an enhanced PDCCH cluster, there are 4 candidate PDCCH channel resources, two DCI formats, and an enhanced PDCCH cluster. The number is determined; in the case where UL-MIMO is not supported, the PDCCH channel with 4 candidates in an enhanced PDCCH cluster is described below by way of example.
  • each cluster has a size of 8 PRBs, and the system-defined aggregation level is ⁇ 1 , 2, 4, 8 ⁇ , then the number of blind detections for the UE can be defined as :
  • A, DL grant: 4 * 2 * 2 16, 4 indicates that there are 4 in a cluster
  • the number of blind checks in the UL grant can be defined as follows according to the definition of different search spaces:
  • the second 2 represents two clusters.
  • the second 2 represents two clusters.
  • the total number of blind detections of the UE in the enhanced PDCCH search space is:
  • the number of different clusters, the number of aggregation levels supported by the system, and the number of candidate PDCCH channel resources in each aggregation level may cause the total number of blind detections of the PDCCH to be different.
  • an idle PRB resource in the Enhanced PDCCH it can be used to transmit the PDSCH. Since the base station always knows the situation that the enhanced PDCCH resources of all the users are occupied, it can use the idle PRB resources in the enhanced PDCCH for the transmission of the PDSCH.
  • the PDCCH is not used in the enhanced PDCCH.
  • the PRB in the enhanced PDCCH resource can also be used for the transmission of the PDSCH, which can effectively improve the utilization of the enhanced PDCCH resource.
  • a base station and a user equipment are also provided in the embodiment of the present invention.
  • the principle of solving the problem is similar to the method for transmitting and receiving information on a physical downlink control channel. Therefore, the implementation of these devices can refer to the method. Implementation, repetition will not be repeated.
  • the base station may include: an indication module 1201, configured to indicate, to the UE, a resource location of an enhanced PDCCH cluster that constitutes an enhanced PDCCH, where the enhanced PDCCH cluster is a set of PRBs;
  • the transmitting module 1202 is configured to transmit scheduling information to the UE at a resource location of the enhanced PDCCH cluster.
  • one or a combination of the following units may be included in the indication module, where: a first indication unit, configured to indicate a resource location occupied by the enhanced PDCCH cluster, where the resource is continuous or discontinuous;
  • a second indication unit configured to indicate to the UE by indicating a starting PRB number position of the first enhanced PDCCH cluster, and by using another signaling indication or by specifying a frequency domain interval between different enhanced PDCCH clusters by using a protocol;
  • a third indication unit configured to indicate to the UE by indicating a starting PRB number position of each enhanced PDCCH cluster.
  • the indication module may be further used to indicate that the PRB number is a fixed enhanced PDCCH cluster or an enhanced PDCCH cluster configured by signaling.
  • the indication module may be further configured to indicate that the internal resource granularity is in units of PRBs in the frequency domain, and in time slots in units of time slots. In one subframe duration, two PRBs have internal enhancements.
  • the different aggregation level in the enhanced PDCCH cluster refers to the enhanced PDCCH cluster of the aggregation level of the enhanced PDCCH cluster time-frequency resource granularity.
  • the transmission module may be further configured to: when the scheduling information is transmitted to the UE at the resource location of the enhanced PDCCH cluster, the PDCCH resource occupied by the DL grant starts from the first PDCCH time-frequency resource of the enhanced PDCCH cluster; and/or, UL The PDCCH resource occupied by the grant does not include the first PDCCH time-frequency resource of the enhanced PDCCH cluster.
  • FIG. 13 is a schematic structural diagram of a user equipment.
  • the UE may include: a determining module 1301, configured to determine, according to an indication of a base station, a resource location of an enhanced PDCCH cluster that constitutes an enhanced PDCCH, where the enhanced PDCCH cluster is a set of PRBs. ;
  • the blind detection module 1302 is configured to perform blind detection on the resource location of the enhanced PDCCH cluster to receive scheduling information that is transmitted by the base station to the UE.
  • the determining module may include one or a combination of the following units, where: a first determining unit, configured to determine, according to a resource location occupied by an enhanced PDCCH cluster indicated by the base station, the resource location, where the resource is continuous or discontinuous; and a second determining unit, configured to use, according to the first enhanced PDCCH cluster indicated by the base station The starting point PRB number location, and the resource location determined by another signaling of the base station or by a frequency domain interval between different enhanced PDCCH clusters specified by the protocol;
  • a third determining unit configured to determine a resource location according to a starting point PRB number position of each enhanced PDCCH cluster indicated by the base station.
  • the determining module may be further configured to determine that the PRB number is a fixed enhanced PDCCH cluster or an enhanced PDCCH cluster configured by signaling.
  • the determining module may be further configured to determine that the internal resource granularity is in the PRB unit in the frequency domain, and is in the time slot as the time slot. In one subframe duration, one PRB has two enhances inside.
  • the different aggregation level in the enhanced PDCCH cluster refers to the enhanced PDCCH cluster of the aggregation level of the enhanced PDCCH cluster time-frequency resource granularity.
  • the blind detection module may be further configured to: when the blind detection is performed on the resource location of the enhanced PDCCH cluster, determine the number of blind detection DL grants: according to an enhanced PDCCH cluster, there are 4 candidate PDCCH channel resources, and two types.
  • the DCI format and the number of enhanced PDCCH clusters are determined; and/or, the number of times of blind detection UL grant is determined as follows: In the case of supporting UL-MIMO, there are 4 candidate PDCCH channel resources in an enhanced PDCCH cluster, and two The DCI format and the number of enhanced PDCCH clusters are determined; if UL-MIMO is not supported, it is determined according to the number of PDCCH channel resources, one DCI format, and the number of enhanced PDCCH clusters of four candidates in an enhanced PDCCH cluster.
  • an enhanced PDCCH information transmission scheme based on FDM Frequency Division Multiplexing
  • FDM Frequency Division Multiplexing
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. Instructions are provided for implementing a process or multiple processes and/or parties in a flowchart Block diagram The steps of a function specified in a box or multiple boxes.

Landscapes

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

Abstract

L'invention concerne un procédé et dispositif de réception et d'émission d'informations dans un canal de commande de liaison descendante physique. Le procédé comprend les étapes suivantes : une station de base indique l'emplacement de ressources d'une grappe de canaux de commande de liaison descendante physique améliorés à un équipement d'utilisateur ; et la station de base émet des informations de planification à destination de l'équipement d'utilisateur à l'emplacement de ressources de la grappe de canaux de commande de liaison descendante physique améliorés. L'équipement d'utilisateur détermine l'emplacement de ressources de la grappe de canaux de commande de liaison descendante physique améliorés d'après l'indication de la station de base ; et l'équipement d'utilisateur exécute la détection aveugle à l'emplacement de ressources de la grappe de canaux de commande de liaison descendante physique améliorés afin de recevoir les informations de planification émises par la station de base à destination de l'équipement d'utilisateur. La présente invention permet d'améliorer efficacement la capacité du canal de commande de liaison descendante physique et, en même temps, d'améliorer efficacement le taux d'utilisation des ressources des canaux de commande de liaison descendante physique améliorés.
PCT/CN2012/073197 2011-05-11 2012-03-28 Procédé et dispositif de réception et d'émission d'informations dans un canal de commande de liaison descendante physique Ceased WO2012152149A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110121262XA CN102170703A (zh) 2011-05-11 2011-05-11 一种物理下行控制信道上的信息收发方法及设备
CN201110121262.X 2011-05-11

Publications (1)

Publication Number Publication Date
WO2012152149A1 true WO2012152149A1 (fr) 2012-11-15

Family

ID=44491638

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/073197 Ceased WO2012152149A1 (fr) 2011-05-11 2012-03-28 Procédé et dispositif de réception et d'émission d'informations dans un canal de commande de liaison descendante physique

Country Status (2)

Country Link
CN (1) CN102170703A (fr)
WO (1) WO2012152149A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106792900A (zh) * 2017-02-14 2017-05-31 中国联合网络通信集团有限公司 一种资源分配的方法及装置
EP3556164A4 (fr) * 2017-01-06 2019-12-25 Samsung Electronics Co., Ltd. Procédé et dispositif destinés à la transmission de signaux
CN111800246A (zh) * 2015-10-22 2020-10-20 华为技术有限公司 一种发送下行控制信息dci的方法及装置

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2609076T3 (es) 2011-02-11 2017-04-18 Interdigital Patent Holdings, Inc. Dispositivo y método para un canal de control mejorado (E-PDCCH)
CN102170703A (zh) * 2011-05-11 2011-08-31 电信科学技术研究院 一种物理下行控制信道上的信息收发方法及设备
CN106793141B (zh) * 2011-09-29 2020-03-31 华为技术有限公司 增强的物理下行控制信道e-pdcch的传输方法及设备
CN102378366B (zh) * 2011-09-30 2018-04-24 中兴通讯股份有限公司 一种控制信令的资源位置通知方法及系统
CN103037511B (zh) * 2011-09-30 2015-12-02 中国移动通信集团公司 一种增强下行控制信道资源的指示方法、系统和设备
CN103052160B (zh) * 2011-10-11 2015-12-16 华为技术有限公司 用于增强物理下行控制信道的通信方法和用户设备
CN102438314B (zh) * 2011-10-17 2014-04-16 电信科学技术研究院 一种传输控制信息的方法、系统及设备
CN103095424B (zh) * 2011-10-27 2016-04-27 中国移动通信集团公司 一种控制信令传输方法、基站、终端和系统
CN103096477B (zh) * 2011-10-31 2015-08-19 中国移动通信集团公司 增强型pdcch实现方法及相关设备
CN103095443B (zh) * 2011-10-31 2015-10-07 中国移动通信集团公司 增强型pdcch实现方法及设备
CN102395204B (zh) * 2011-11-01 2014-07-02 新邮通信设备有限公司 移动通信中扩展物理层控制信道资源数量的方法和系统
CN105846983B (zh) 2011-11-04 2019-06-28 华为技术有限公司 接收和发送控制信道的方法、用户设备和基站
CN102404076B (zh) 2011-11-07 2014-12-10 电信科学技术研究院 信息发送及盲检方法和设备
CN102395206B (zh) * 2011-11-08 2015-07-15 电信科学技术研究院 下行控制信息的传输方法和设备
JP5905972B2 (ja) 2011-11-13 2016-04-20 エルジー エレクトロニクス インコーポレイティド 無線通信システムにおいて制御情報を送信する方法及び装置
CN103178942B (zh) * 2011-12-21 2016-08-03 华为技术有限公司 信令传输方法、基站和用户设备
CN103188029A (zh) * 2011-12-27 2013-07-03 夏普株式会社 一种对控制信道的控制指示符进行译码的方法和用户设备
CN105490796B (zh) * 2012-01-09 2018-11-09 华为技术有限公司 一种控制信道传输、接收方法及基站、用户设备
CN106788929B (zh) * 2012-01-09 2020-01-17 华为技术有限公司 一种控制信道资源映射方法、基站及用户设备
WO2013104119A1 (fr) * 2012-01-11 2013-07-18 Renesas Mobile Corporation Conception de canal de commande pour utilisateurs à faible bande passante
CN102573094B (zh) * 2012-01-17 2015-04-08 电信科学技术研究院 一种传输dci的方法及装置
CN103220077A (zh) 2012-01-21 2013-07-24 华为技术有限公司 数据发送和接收方法、基站和用户设备
CN113225172B (zh) 2012-01-27 2024-05-24 交互数字专利控股公司 由WTRU执行的用于ePDCCH的方法
US9713133B2 (en) 2012-01-30 2017-07-18 Lg Electronics Inc. Method for transceiving downlink control channel in wireless communication system and apparatus therefor
WO2013113145A1 (fr) * 2012-01-30 2013-08-08 Alcatel-Lucent Shanghai Bell Co., Ltd. Appareils, procédés et programmes d'ordinateur pour un émetteur-récepteur mobile et pour un émetteur-récepteur de station de base
CN103312481A (zh) * 2012-03-13 2013-09-18 华为技术有限公司 信道搜索方法、设备和系统
US9055578B2 (en) 2012-03-15 2015-06-09 Futurewei Technologies, Inc. Systems and methods for UE-specific search space and ePDCCH scrambling
US9526091B2 (en) 2012-03-16 2016-12-20 Intel Corporation Method and apparatus for coordination of self-optimization functions in a wireless network
WO2013139012A1 (fr) * 2012-03-21 2013-09-26 富士通株式会社 Procédé de transmission de canal de commande sur la liaison descendante amélioré, procédé de détection, et dispositif correspondant
CN102638892B (zh) * 2012-03-26 2014-07-09 电信科学技术研究院 一种对e-pdcch进行资源映射的方法及装置
KR102086506B1 (ko) * 2012-03-30 2020-03-09 엘지전자 주식회사 무선 통신 시스템에서 제어정보 수신 방법 및 장치
US9660783B2 (en) 2012-03-30 2017-05-23 Lg Electronics Inc. Method and device for receiving control information in wireless communication system
CN110266458B (zh) * 2012-05-18 2022-07-12 索尼公司 无线通信系统中的通信装置和通信方法
JP2013243460A (ja) * 2012-05-18 2013-12-05 Sharp Corp 端末、基地局、通信システムおよび通信方法
CN103517432B (zh) * 2012-06-29 2017-02-01 华为技术有限公司 信道资源指示方法及设备
KR20150010974A (ko) * 2012-07-02 2015-01-29 인텔 코포레이션 향상된 물리 다운링크 제어 채널 검색 공간을 위한 향상된 채널 제어 요소 인덱싱
CN103580837B (zh) * 2012-08-03 2019-01-22 中兴通讯股份有限公司 控制信令发送、检测方法及基站及终端
WO2014032294A1 (fr) * 2012-08-31 2014-03-06 华为终端有限公司 Procédé et dispositif pour allouer des ressources à un canal de commande sur la liaison descendante
CN103687017B (zh) * 2012-09-21 2019-04-23 中兴通讯股份有限公司 ePDCCH传输方法及装置、基站、用户设备
CN103891372A (zh) * 2012-09-25 2014-06-25 华为技术有限公司 一种控制信道的处理方法及装置
CN103907386B (zh) * 2012-09-26 2019-03-26 华为技术有限公司 一种控制信道检测方法及用户设备
CN104380817B (zh) * 2012-09-28 2018-11-09 华为技术有限公司 资源分配方法、设备和系统，资源获取方法及设备
CN103716274B (zh) 2012-09-29 2018-08-07 中兴通讯股份有限公司 下行控制信息的传输方法和装置
CN103796309A (zh) * 2012-10-31 2014-05-14 华为终端有限公司 控制信息的传输方法、基站及用户设备
CN103795510A (zh) * 2012-11-02 2014-05-14 北京三星通信技术研究有限公司 传输harq指示信息的方法和设备
CN104904297A (zh) 2013-01-11 2015-09-09 联发科技（新加坡）私人有限公司 获得数据信道调度信息的方法及装置
US9936518B2 (en) * 2013-01-18 2018-04-03 Mediatek Singapore Pte. Ltd. Method for transport block transmission and blind reception
US9750046B2 (en) 2013-04-03 2017-08-29 Mediatek Singapore Pte. Ltd. Methods and apparatus of obtaining scheduling information of data channel
CN104185197A (zh) * 2013-05-27 2014-12-03 华为技术有限公司 用于传输下行控制信息dci的方法及其装置
CN106658726B (zh) * 2015-11-04 2020-01-31 普天信息技术有限公司 一种数据传输方法和终端
CN106817771B (zh) * 2015-11-27 2020-05-12 大唐移动通信设备有限公司 一种pdcch漏检的处理方法及装置
US11304226B2 (en) * 2016-05-09 2022-04-12 Sharp Kabushiki Kaisha User equipments, base stations and methods
CN109156022B (zh) 2016-06-22 2022-08-09 英特尔公司 用于全双工调度的通信设备和方法
CN107623948B (zh) * 2016-07-15 2020-07-28 普天信息技术有限公司 一种pdcch聚合等级下cce候选位置选择方法和装置
CN107888639B (zh) * 2016-09-30 2020-08-04 电信科学技术研究院 资源预约周期粒度p的配置、指示及确定方法、装置
US11245506B2 (en) 2017-05-02 2022-02-08 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Methods and apparatuses for detecting control channels in wireless communication systems
CN109391355B (zh) 2017-08-11 2020-10-23 华为技术有限公司 无线通信的方法、芯片和系统
CN114828082B (zh) * 2018-06-29 2025-08-12 北京小米移动软件有限公司 信息传输、接收方法及装置、基站和用户设备
CN111278026B (zh) * 2018-12-28 2022-01-25 维沃移动通信有限公司 一种信息传输方法、终端及网络设备
WO2021223610A1 (fr) * 2020-05-07 2021-11-11 Telefonaktiebolaget Lm Ericsson (Publ) Procédé et appareil de configuration de ressource de liaison descendante d'espace de recherche
CN120498603B (zh) * 2025-07-18 2025-09-23 杰创智能科技股份有限公司 Pdsch资源提取方法、装置、设备、介质及程序产品

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101431355A (zh) * 2007-11-07 2009-05-13 中兴通讯股份有限公司 用在长期演进系统中的信道检测方法
WO2010082877A1 (fr) * 2009-01-16 2010-07-22 Telefonaktiebolaget L M Ericsson (Publ) Procédé et appareil permettant de contrôler une charge pucch au moyen de restrictions pdcch
CN101998429A (zh) * 2009-08-13 2011-03-30 大唐移动通信设备有限公司 载波聚合系统中cce聚合长度指示方法、获取方法和设备
CN102036297A (zh) * 2010-12-24 2011-04-27 大唐移动通信设备有限公司 物理下行控制信道发送及检测方法、系统和设备
CN102170703A (zh) * 2011-05-11 2011-08-31 电信科学技术研究院 一种物理下行控制信道上的信息收发方法及设备

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101431355A (zh) * 2007-11-07 2009-05-13 中兴通讯股份有限公司 用在长期演进系统中的信道检测方法
WO2010082877A1 (fr) * 2009-01-16 2010-07-22 Telefonaktiebolaget L M Ericsson (Publ) Procédé et appareil permettant de contrôler une charge pucch au moyen de restrictions pdcch
CN101998429A (zh) * 2009-08-13 2011-03-30 大唐移动通信设备有限公司 载波聚合系统中cce聚合长度指示方法、获取方法和设备
CN102036297A (zh) * 2010-12-24 2011-04-27 大唐移动通信设备有限公司 物理下行控制信道发送及检测方法、系统和设备
CN102170703A (zh) * 2011-05-11 2011-08-31 电信科学技术研究院 一种物理下行控制信道上的信息收发方法及设备

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111800246A (zh) * 2015-10-22 2020-10-20 华为技术有限公司 一种发送下行控制信息dci的方法及装置
EP3556164A4 (fr) * 2017-01-06 2019-12-25 Samsung Electronics Co., Ltd. Procédé et dispositif destinés à la transmission de signaux
US11297598B2 (en) 2017-01-06 2022-04-05 Samsung Electronics Co., Ltd Method and device for transmitting signals
CN106792900A (zh) * 2017-02-14 2017-05-31 中国联合网络通信集团有限公司 一种资源分配的方法及装置

Also Published As

Publication number Publication date
CN102170703A (zh) 2011-08-31

Similar Documents

Publication Publication Date Title
WO2012152149A1 (fr) Procédé et dispositif de réception et d'émission d'informations dans un canal de commande de liaison descendante physique
CN102594513B (zh) 一种增强的下行控制信道的传输方法及装置
CN104303440B (zh) 用于独立新载波类型(nct)的下行链路控制指示
CN102395206B (zh) 下行控制信息的传输方法和设备
CN110266453B (zh) 盲检公共搜索空间和ue特定搜索空间的方法及设备
CN102573094B (zh) 一种传输dci的方法及装置
WO2013023541A1 (fr) Procédé et dispositif pour transmettre des données de contrôle sur la liaison descendante
CN102231913B (zh) 一种分配和确定pdcch的方法、系统及设备
WO2013104305A1 (fr) Procédés pour la transmission et la réception d'un canal de commande, station de base et équipement d'utilisateur
EP3611972A1 (fr) Surveillance d'un canal de commande à bande étroite pour un système à large bande pour réduire la consommation d'énergie
WO2013159676A1 (fr) Procédé et dispositif pour la transmission et la détection à l'aveugle d'un e-pdcch
WO2012155690A1 (fr) Procédé, système et équipement associé, pour une indication d'emplacements de ressources et une estimation de voie à l'aveugle
WO2013067828A1 (fr) Procédé et dispositif d'envoi et de détection aveugle d'informations
EP2797371A1 (fr) Procédé, système et appareil de transmission d'informations
EP2660994B1 (fr) Procédé et dispositif d'attribution de ressource de référence
WO2012149848A1 (fr) Procédé, système et dispositif de transmission de données
TW201342860A (zh) 增強的共同下行鏈路控制頻道
WO2013007144A1 (fr) Procédé, dispositif et système de transmission et de réception de données
WO2014121461A1 (fr) Procédé de planification d'informations de système et dispositif pour ce procédé
CN103650447A (zh) 发射或接收pdcch的方法和用于该方法的用户设备或基站
CN104769868A (zh) 终端装置、集成电路、无线通信方法以及基站装置
WO2014019539A1 (fr) Procédé et dispositif d'envoi et de détection d'un canal de contrôle physique de liaison descendante amélioré
CN102740473A (zh) 一种下行控制信息的处理方法和系统
WO2013097120A1 (fr) Procédé et dispositif de mise en correspondance d'un espace de recherche d'un canal de commande en liaison descendante
WO2013013643A1 (fr) Procédé et dispositif d'envoi et de réception de canal de commande

Legal Events

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

Ref document number: 12782036

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12782036

Country of ref document: EP

Kind code of ref document: A1