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WO2012139512A1 - Procédé et dispositif pour envoyer des informations de commande de liaison descendante - Google Patents

Procédé et dispositif pour envoyer des informations de commande de liaison descendante Download PDF

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Publication number
WO2012139512A1
WO2012139512A1 PCT/CN2012/073938 CN2012073938W WO2012139512A1 WO 2012139512 A1 WO2012139512 A1 WO 2012139512A1 CN 2012073938 W CN2012073938 W CN 2012073938W WO 2012139512 A1 WO2012139512 A1 WO 2012139512A1
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WIPO (PCT)
Prior art keywords
information
channel
pchch
physical
control head
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/CN2012/073938
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English (en)
Chinese (zh)
Inventor
梁春丽
戴博
郁光辉
郝鹏
夏树强
鲁照华
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ZTE Corp
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ZTE Corp
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Filing date
Publication date
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Publication of WO2012139512A1 publication Critical patent/WO2012139512A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
    • 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 mobile wireless communications, and in particular, to a method and an apparatus for transmitting downlink control information in a wireless communication system. Background technique
  • the radio frame in the Long Term Evolution (LTE) system includes a frame structure of a Frequency Division Duplex (FDD) mode and a Time Division Duplex (TDD) mode.
  • the frame structure of the FDD mode as shown in Figure 1, a 10 msec (ms) radio frame consists of twenty slots of length 0.5 ms, numbered 0 to 19, and slots 2i and 2i+l.
  • the composition of the TDD mode, one field includes five subframes of length lms, and subframe i is defined as two slots 2i and 2i+1 that are 0.5 ms long.
  • one slot contains seven symbols with a length of 66.7 microseconds (us), and the CP of the first symbol has a length of 5.21 us. The remaining 6 symbols have a length of 4.69 us; for the extended cyclic prefix (Extended Cyclic Prefix), one slot contains 6 symbols, and the CP length of all symbols is 16.67 us.
  • Normal CP Normal Cyclic Prefix
  • extended Cyclic Prefix Extended Cyclic Prefix
  • the version number of LTE corresponds to R8 (Release 8), and the version number corresponding to the added version is R9 ( Release 9).
  • the following three types of downlink physical control channels are defined in LTE: Physical Downlink Format Indicator Channel (PCFICH); Physical Hybrid Automatic Retransmission Request Indicator Channel (PHICH); physical downlink Control Channel (PDCCH, Physical Downlink Control Channel).
  • PCFICH Physical Downlink Format Indicator Channel
  • PHICH Physical Hybrid Automatic Retransmission Request Indicator Channel
  • PDCCH Physical Downlink Control Channel
  • the information carried by the PCFICH is used to indicate the number of Orthogonal Frequency Division Multiplexing (OFDM) symbols for transmitting the PDCCH in one subframe, and is sent on the first OFDM symbol of the subframe, where the frequency is located. Determined by the system downlink bandwidth and the cell ID (ID, Identity). Feed information.
  • the number of PHICHs and the time-frequency location may be determined by a system message and a cell ID in
  • the PDCCH is used for downlink control information (DCI, Downlink Control Information), and includes: uplink and downlink scheduling information, and uplink power control information.
  • DCI format DCI format
  • the DCI format is divided into the following types: DCI format 0, DCI format 1, DCI format 1 A, DCI format IB, DCI format 1C, DCI format 1D, DCI format 2, DCI format 2A, DCI format 3 and DCI format 3A, etc.;
  • DCI format 0 is used to indicate scheduling of a Physical Uplink Shared Channel (PUSCH);
  • DCI format 1 DCI format 1 A, DCI format IB, DCI format 1 C, DCI format
  • ID is used for different modes of PDSCH codeword scheduling
  • DCI format 2A is used for different modes of space division multiplexing
  • DCI format 3 A is used for different modes of the power control command of the physical uplink control channel (PUCCH, Physical Uplink Control Channel) and PUSCH.
  • PUCCH Physical Uplink Control Channel
  • PUSCH Physical Uplink Control Channel
  • Physical downlink control channel Physical resources of the PDCCH transmission with control channel elements (CCE,
  • the Control Channel Element is a unit.
  • the size of one CCE is 9 resource element groups (REG, Resource Element Group), that is, 36 resource elements.
  • One PDCCH may occupy 1, 2, 4 or 8 CCEs.
  • a tree aggregation is adopted, that is, a PDCCH occupying one CCE can start from an arbitrary CCE position; a PDCCH occupying two CCEs is from an even number The CCE position starts; the PDCCH occupying 4 CCEs starts from the CCE position which is an integer multiple of 4; the PDCCH occupying 8 CCEs starts from the CCE position which is an integral multiple of 8.
  • the physical resources of the physical downlink control channel PDCCH can be carried on the first _ 3 OFDM symbols of the first slot of each subframe, and The remaining symbols can carry the physical resources of the PDSCH (Physical Downlink Shared Channel), as shown in FIG. 3.
  • a regular CP Cyclic Prefix
  • the physical resources of the physical downlink control channel PDCCH can be carried on the first _ 3 OFDM symbols of the first slot of each subframe, and The remaining symbols can carry the physical resources of the PDSCH (Physical Downlink Shared Channel), as shown in FIG. 3.
  • Each Aggregation level defines a search space, including a common search space and a UE (User Equipment) proprietary (UE-Specific) search space.
  • the number of CCEs in the entire search space is determined by the number of OFDM symbols and the number of groups of PHICHs occupied by the control region indicated by the PCFICH in each downlink subframe.
  • the UE blindly detects all possible PDCCH code rates in the search space according to the DCI format of the transmission mode.
  • control domain carrying the PDCCH is grouped by a number of 0 N CCE , k -1
  • N CCE , k ⁇ CCE constitutes.
  • the UE should detect a group of candidate PDCCHs in each non-DRX (non-discontinuous reception) subframe to obtain control information.
  • the detection refers to decoding the PDCCHs in the group according to all DCI formats to be detected.
  • the candidate PDCCH (PDCCH candidate ) to be detected is defined in a search space manner, and the aggregation level Z e ⁇ 1, 2, 4, 8 ⁇ , the search space Sf) is determined by a group of candidate PDCCHs.
  • the CCE of the candidate PDCCH ( PDCCH candidate ) m in the search space Sf) is defined by:
  • L takes 1, 2, 4, 8.
  • 3 ⁇ 4 ⁇ is the corresponding RNTI (Radio Network Temporary Identifier;).
  • the UE should detect one common search space with aggregation levels of 4 and 8, and one UE-specific search space with aggregation levels of 1, 2, 4, and 8.
  • the common search space and the UE-specific search space may overlap.
  • the specific number of detections and the corresponding search space are as shown in Table 1:
  • LTE hotspot coverage Due to the demand for indoor hotspot coverage technology, LTE hotspot coverage has gradually become a hot topic of discussion.
  • LTE-LAN LTE-Local Area Networks
  • the terminal In the scenario of such indoor hotspot coverage, if the design of its control channel continues to follow the design of LTE, the terminal still needs to perform LTE-like PDCCH blind detection process, which is very disadvantageous for simplifying the implementation of the terminal. Therefore, in the scenario of such indoor hotspot coverage, the design of a new downlink control channel becomes an urgent problem to be solved. Summary of the invention
  • the main purpose of the present invention is to provide a method and an apparatus for transmitting downlink control information, which are used to solve the problem of how to perform downlink control information transmission, reception, and monitoring in an indoor hotspot coverage scenario of LTE.
  • the technical solution of the present invention is achieved as follows:
  • a method for transmitting downlink control information includes:
  • the base station transmits, to the user equipment UE, a physical control head channel PCHCH and PDCCH carrying the physical downlink control channel PDCCH information.
  • the information carried by the PCHCH includes one or more of the following information: identifier information, PDCCH information corresponding to the identifier, and basic frame configuration information.
  • the identifier carried in the PCHCH includes one or more of the following identifiers: a UE identifier, a UE group identifier, a system information SI identifier, a paging Paging identifier, and a random access RA identifier.
  • the PDCCH information corresponding to the identifier carried by the PCHCH includes one or more of the following information: time domain location information of the PDCCH in the basic frame, aggregation level of the control channel element CCE, type of control information, PDCCH The modulation coding scheme MCS used.
  • the time domain location information of the PDCCH carried in the PCHCH in the basic frame is indicated by a signaling manner, or indicated by a predetermined rule.
  • the information carried in the PCHCH is cascaded in a predefined manner, and channel coding is performed by means of joint coding.
  • the PDCCH carries all uplink and/or downlink related control information. Further, the PDCCH carries uplink scheduling information, downlink scheduling information, uplink and downlink scheduling information, or power control information corresponding to the identifier carried by the PCHCH.
  • the PDCCH performs channel coding in an independent coding manner, and performs multi-antenna transmission in the form of a public reference signal or a proprietary reference signal.
  • the time domain position of the PCHCH in the basic frame, the length of the carried information bits, and the modulation coding scheme used are fixed; or the time domain position of the PCHCH in the basic frame, the information bits carried The length and the modulation coding scheme used are indicated in the Physical Broadcast Channel (PBCH); or the time domain location of the PCHCH in the basic frame, the information ratio carried The special length and some of the information used in the modulation coding scheme are fixed, and other unfixed parts are indicated in the PBCH.
  • PBCH Physical Broadcast Channel
  • the PCHCH adopts a master-slave structure, a time domain position of a primary PCHCH in a basic frame, a length of information bits carried, and an MCS are fixed or signaling configured, and a time domain position in the basic frame from the PCHCH.
  • the length of the carried information bit and the MCS are indicated in the primary PCHCH; or the relationship between the PCHCH time domain location and the primary PCHCH time domain location is fixed, the length of the information bits carried from the PCHCH and the MCS are fixed, and are carried in the primary PCHCH.
  • the slave PCHCH does not contain basic frame information.
  • the present invention further provides a device for transmitting downlink control information, where the device includes:
  • a first sending module configured to send, to the UE, a physical control head channel PCHCH carrying a physical downlink control channel PDCCH information
  • a second sending module configured to send a physical downlink control channel PDCCH to the UE
  • the information carried by the PCHCH includes one or more of the following information: identifier information, PDCCH information corresponding to the identifier, and basic frame configuration information.
  • the base station sends the physical control head channel PCHCH and the physical downlink control channel PDCCH to the UE, and indicates the PDCCH through the PCHCH, which reduces or avoids the blind detection process of the PDCCH by the terminal in the LTE local area network, and implements the indoor hot spot in the LTE.
  • downlink control information is sent, received, and monitored to achieve low overhead, fast rate, and high reliability.
  • FIG. 1 is a schematic diagram of a frame structure of an FDD mode in the prior art of LTE
  • FIG. 2 is a schematic diagram of a frame structure of a TDD mode in the LTE prior art
  • FIG. 4 is a schematic diagram of signaling of downlink control signaling according to the present invention.
  • FIG. 5 is a schematic diagram of another downlink control signaling transmission according to the present invention.
  • FIG. 6 is a schematic diagram of another downlink control signaling transmission according to the present invention.
  • FIG. 7 is a schematic diagram of another downlink control signaling transmission according to the present invention. detailed description
  • LTE-LAN head channel In the indoor hotspot coverage scenario of LTE or LTE-Advance, it can also be called LTE-LAN head channel) and PDCCH, where PCHCH can be sent in one of the following ways: Mode 1:
  • the base station sends a PBCH, a PCHCH, and a PDCCH to the UE, where the PCHCH is fixed in the time domain start position in the basic frame, the bit length of the PCHCH carrying information, and the used MCS.
  • the basic frame information carried by the PCHCH, the identifier information, and the PDCCH-related information corresponding to the identifier are concatenated in a predefined order to form a PCHCH transmission information packet, which is jointly coded by a fixed coding mode, and then used.
  • the fixed modulation mode is modulated, and finally mapped to the PCHCH channel and sent to the UE.
  • the preferred modulation scheme is Binary Phase Shift Keying (BPSK) or Quadrature Phase Shift Keying (QPSK);
  • the base station sends a PBCH, a PCHCH, and a PDCCH to the UE, where the start time position of the PCHCH in the basic frame, the bit length of the PCHCH carrying information, and the used MCS are all indicated in the PBCH.
  • the basic frame information carried by the PCHCH, the identifier information, and the PDCCH-related information corresponding to the identifier are concatenated in a predefined order to form a PCHCH transmission information packet, which is jointly coded by using a coding mode indicated by the PBCH, and then The modulation is performed by using the modulation mode indicated by the PBCH, and finally mapped to the PCHCH channel and transmitted to the UE.
  • the base station sends a PBCH, a PCHCH, and a PDCCH to the UE, where the start time position of the PCHCH in the basic frame is fixed, the bit length of the PCHCH carrying information, and the used MCS are indicated in the PBCH.
  • the basic frame information carried by the PCHCH, the identifier information, and the PDCCH-related information corresponding to the identifier are concatenated in a predefined order to form a PCHCH transmission information packet, which is jointly coded by using a coding mode indicated by the PBCH, and then The modulation is performed by using the modulation mode indicated by the PBCH, and finally mapped to the PCHCH channel and transmitted to the UE.
  • Mode 3 is a compromise between modes 1 and 2. Considering that the location of the PBCH is fixed, the location of the PCHCH is also relatively fixed. Therefore, the location information of the PCHCH does not need to be indicated by the PBCH, and the overhead of occupying the PBCH is smaller than that of the mode 2. , relative to mode 1, the flexibility is greater. Therefore, mode 3 is the preferred solution. Way 4
  • the base station sends a PBCH, a PCHCH, and a PDCCH to the UE, where one or two or more PCHCHs, one PCHCH is a primary PCHCH, and other PCHCHs are present.
  • the PCHCH the time domain location of the primary PCHCH in the basic frame, the length of the information bits carried, and the MCS are fixed or signaled, and the time domain location of the PCHCH in the basic frame, the length of the information bits carried.
  • the MCS indicates in the primary PCHCH, or the relationship between the PCHCH time domain location and the primary PCHCH time domain location is fixed, the length of the carried information bits and the MCS are fixed, and the primary PCHCH carries information about whether the PCHCH exists.
  • the basic frame information carried by the primary PCHCH, the identifier information, and the PDCCH-related information corresponding to the identifier, and the information related to the PCHCH are cascaded in a predefined order to form a primary PCHCH transmission packet, using the PBCH.
  • the coding mode of the indication is jointly coded, then modulated by the modulation mode indicated by the PBCH, and finally mapped to the primary PCHCH channel and transmitted to the UE.
  • the basic frame information carried by the primary PCHCH, the identifier information, and the PDCCH-related information corresponding to the identifier, and the information related to the PCHCH are concatenated in a predefined order to form a transmission packet of the primary PCHCH, using a predefined
  • the coded modulation mode is mapped to the primary PCHCH channel and sent to the UE.
  • the information related to the PCHCH includes one or more of a PCHCH presence, a PCHCH time-frequency location, a PCHCH transmission block size, and a PCHCH modulation mode, and is not limited thereto;
  • the time-frequency position of the PDCCH and the primary PCHCH time-frequency position relationship are fixed, for example: continuous mapping from the PCHCH to the primary PCHCH, occupying the physical resource size and the transmitted information.
  • the block size and code modulation mode are all predefined;
  • the PCHCH can be configured more flexibly, and can be grouped according to different users.
  • the PDCCH-related information of each user in the same group can be jointly coded together, so that downlink resources can be more effectively utilized.
  • the identifier carried in the PCHCH includes but is not limited to one or more of the following identifiers: a UE identifier, a UE group identifier, a system information (SI: System Information) identifier, and a paging (Paging) identifier. , random access (RA: Random Access) identifier.
  • the UE having the UE identifier performs PDCCH detection according to the PDCCH information corresponding to the UE identifier; when the identifier carried in the PCHCH is When the UE group identifier is used, all UEs having the UE group identifier perform PDCCH detection according to the PDCCH information corresponding to the UE group identifier.
  • the identifier carried in the PCHCH is an SI identifier
  • all UEs in the cell will perform PDCCH detection according to the PDCCH information corresponding to the SI identifier.
  • the UE having the Paging identifier performs PDCCH detection according to the PDCCH information corresponding to the Paging identifier.
  • the UE having the RA identifier performs PDCCH detection according to the PDCCH information corresponding to the RA identifier; and the PDCCH related information corresponding to the identifier includes the PDCCH.
  • CCE Control Channel Element
  • MCS Modulation Coding Scheme
  • the time domain location information of the PDCCH carried in the PCHCH in the basic frame may be indicated by signaling, or may be indicated by a predetermined rule.
  • the predetermined rule is equivalent to determining a location of the PDCCH corresponding to the identifier according to the identifier and the basic frame index according to a predetermined method;
  • the PDCCH carries the uplink and/or downlink related control information of all the UEs. Further, the information carried by the PDCCH is uplink scheduling information, or downlink scheduling information, or uplink and downlink scheduling information corresponding to the identifier carried by the PCHCH. , or power control information.
  • the PDCCH corresponding to the identifier carried by the PCHCH is channel coded by means of independent coding.
  • the PDCCH corresponding to the identifier carried by the PCHCH may be transmitted in multiple antennas in the form of a public reference signal or a proprietary reference signal.
  • the physical resource location of the PDCCH may be consecutive X subcarriers and consecutive y orthogonal frequency division multiplexing (OFDM) symbols in the time domain (partial time-frequency positions may be skipped, and relatively consecutive after removing these positions), or may be Having an entire frequency band of consecutive z OFDM symbols or a partial discontinuous frequency band occupying consecutive z OFDM symbols; or, the physical resource location of the PDCCH is a discontinuous time-frequency location;
  • OFDM orthogonal frequency division multiplexing
  • the PDCCH carries a proprietary demodulation reference signal
  • the present invention further provides a device for transmitting downlink control information, where the device is located at a base station, and includes: a first sending module, configured to send, to the UE, a physical control head channel PCHCH carrying information indicating a physical downlink control channel PDCCH;
  • a second sending module configured to send a physical downlink control channel PDCCH to the UE
  • the terminal receives the PCHCH and receives the PDCCH according to the indication of the PCHCH, so as to reduce or avoid the blind detection process of the PDCCH by the terminal in the LTE local area network, and implement the transmission, reception, and monitoring of the downlink control information in the indoor hotspot coverage scenario of the LTE, and further Achieve low overhead, fast rate and high reliability of transmission. Since the device is based on the above method embodiment, the The indication information and the format of the indication information carried by the PCHCH, and the transmission mode of the PCHCH can be directly derived from the foregoing embodiments. To save space, no further details are provided herein.
  • the base station sends the physical control head channel PCHCH and the physical downlink control channel PDCCH to the UE, and indicates the PDCCH through the PCHCH, which reduces or avoids the blind detection process of the PDCCH by the terminal in the LTE local area network, and implements the indoor hotspot coverage scenario in the LTE.
  • the transmission, reception, and monitoring of downlink control information are performed, thereby achieving low overhead, fast rate, and high reliability transmission.

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

Abstract

L'invention concerne un procédé et un dispositif pour envoyer des informations de commande de liaison descendante, en vue de résoudre le problème sur la façon d'envoyer, de recevoir et de surveiller les informations de commande de liaison descendante dans le scénario de couverture des points d'accès sans fil intérieurs LTE. Dans l'invention, une station de base envoie un canal d'entête de commande physique (PCHCH) et un canal de commande de liaison descendante physique (PDCCH) à l'UE. Le PDDCH est indiqué par le PCHCH, réduisant ou évitant le processus de détection aveugle du PDCCH par le terminal dans la zone de réseau local LTE, réalisant l'envoi, la réception et la surveillance des informations de commande de liaison descendante dans le scénario de couverture des points d'accès sans fil intérieurs LTE, et réalisant ainsi la transmission avec une marge faible, une vitesse rapide et une fiabilité élevée.
PCT/CN2012/073938 2011-04-15 2012-04-12 Procédé et dispositif pour envoyer des informations de commande de liaison descendante Ceased WO2012139512A1 (fr)

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CN201110095604.5A CN102740372B (zh) 2011-04-15 2011-04-15 一种下行控制信息的发送方法及装置
CN201110095604.5 2011-04-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017079982A1 (fr) * 2015-11-13 2017-05-18 广东欧珀移动通信有限公司 Procédé d'allocation de ressource radio et dispositif utilisant celui-ci

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107666713B (zh) * 2016-07-27 2021-03-23 普天信息技术有限公司 一种sTTI中sPDCCH的传输方法以及装置
CN108633020B (zh) * 2017-03-23 2021-06-15 华为技术有限公司 一种控制信息发送、接收方法及相关设备
US11337198B2 (en) 2017-08-10 2022-05-17 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Wireless communication method, network device, and terminal device
RU2735670C1 (ru) 2017-08-10 2020-11-05 ЗедТиИ КОРПОРЕЙШН Обмен общими блоками управления
CN109150485B (zh) 2017-08-11 2019-08-23 华为技术有限公司 一种控制信息的发送、接收方法及设备
CN115001637B (zh) * 2018-03-13 2024-09-03 中兴通讯股份有限公司 控制信道发送、检测方法、装置及设备、存储介质
WO2020107260A1 (fr) 2018-11-28 2020-06-04 北京小米移动软件有限公司 Procédé et appareil de détection de signalisation de commande de liaison descendante et système
WO2021035440A1 (fr) 2019-08-23 2021-03-04 华为技术有限公司 Procédé, appareil et système pour l'envoi et la réception d'informations de commande

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101594205A (zh) * 2009-06-22 2009-12-02 中兴通讯股份有限公司 一种高级长期演进系统的下行控制信令发送方法
CN101772179A (zh) * 2010-01-08 2010-07-07 中兴通讯股份有限公司 载波聚合场景下系统信息的传输方法及系统
CN101877621A (zh) * 2009-04-30 2010-11-03 三星电子株式会社 用于lte-a系统中下行控制信道pdcch的发送方法及发送装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101478808B (zh) * 2009-01-21 2014-03-19 中兴通讯股份有限公司 一种下行控制信息的发送及检测方法
CN101714892B (zh) * 2009-11-02 2014-12-31 中兴通讯股份有限公司 一种下行控制信息的传输方法及系统

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101877621A (zh) * 2009-04-30 2010-11-03 三星电子株式会社 用于lte-a系统中下行控制信道pdcch的发送方法及发送装置
CN101594205A (zh) * 2009-06-22 2009-12-02 中兴通讯股份有限公司 一种高级长期演进系统的下行控制信令发送方法
CN101772179A (zh) * 2010-01-08 2010-07-07 中兴通讯股份有限公司 载波聚合场景下系统信息的传输方法及系统

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017079982A1 (fr) * 2015-11-13 2017-05-18 广东欧珀移动通信有限公司 Procédé d'allocation de ressource radio et dispositif utilisant celui-ci
US11323200B2 (en) 2015-11-13 2022-05-03 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method of allocating radio resource and device utilizing the same

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