WO2011082572A1 - Procédé, système et station de base pour la transmission d'informations système dans des conditions d'agrégation de porteuses - Google Patents

Procédé, système et station de base pour la transmission d'informations système dans des conditions d'agrégation de porteuses Download PDF

Info

Publication number
WO2011082572A1
WO2011082572A1 PCT/CN2010/074724 CN2010074724W WO2011082572A1 WO 2011082572 A1 WO2011082572 A1 WO 2011082572A1 CN 2010074724 W CN2010074724 W CN 2010074724W WO 2011082572 A1 WO2011082572 A1 WO 2011082572A1
Authority
WO
WIPO (PCT)
Prior art keywords
carrier
component carrier
system information
information
format
Prior art date
Application number
PCT/CN2010/074724
Other languages
English (en)
Chinese (zh)
Inventor
戴博
曾萍
吴欣
左志松
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2011082572A1 publication Critical patent/WO2011082572A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
    • 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 the field of wireless communication technologies, and in particular, to a system, a system, and a base station for transmitting system information in a carrier aggregation scenario under a large bandwidth.
  • LTE-A Long Term Evolution Advanced
  • LTE-A Long Term Evolution Advanced
  • CA Carrier Aggregation
  • a physical downlink control channel (PDCCH) is used to carry uplink and downlink scheduling information, and uplink power control information.
  • PDCCH physical downlink control channel
  • a Physical Downlink Shared Channel (PDSCH) is used to transmit user data.
  • PDSCH Physical Downlink Shared Channel
  • DCI Downlink Control Information
  • format 0, 1, 1A, 1B, 1C, 1D, 2, 2A, 3, 3A, etc. among them,
  • DCI format 0 is used to indicate the scheduling of the physical uplink shared channel (PUSCH).
  • PDSCH Physical Downlink Shared Channel
  • DCI format 2, 2A is used for different transmission modes of downlink PDSCH space division multiplexing; • DCI format 3, 3 A is used for the transmission of power control commands for the Physical Uplink Control Channel (PUCCH) and PUSCH.
  • the above DCI format 0, 1A, 3, 3A has the same transport block size, and DCI format 0, 1A is formatted by 1 bit.
  • the information transmitted by DCI Format 1 A is as follows:
  • ⁇ ⁇ represents the bandwidth of the downlink, represented by the number of resource blocks RB (Resource Block).
  • MCS Modulation and Coding Scheme
  • FDD frequency division duplex
  • HARQ Hybrid Automatic Repeat-reQuest
  • time division double In the TDD system 4 bits are used for the number of HARQ processes.
  • NMI New Data Indicator
  • DAI Downlink Assignment Index
  • the process of blind detection of the physical downlink control channel PDCCH in LTE is briefly described as follows.
  • the Control Channel Element (CCE) is the smallest unit carrying the PDCCH resource, and the control region is composed of a series of CCEs.
  • the PDCCH blind detection range is defined by the search space, and the search space is divided into a common search space and a UE-specific search space. Search space
  • M (L) is the number of PDCCH candidate sets (candidates) given in the search space.
  • the RNTI indicates a Radio Network Temporary Identifier (RNTI).
  • RNTI Radio Network Temporary Identifier
  • SI-RNTI System Information-RNTI
  • Random Access RNTI Random Access-RNTI, referred to as RA-RNTI
  • P-RNTI Call RNTI
  • Cell RNTI Cell-RNTI, referred to as C-RNTI
  • SPS-RNTI Semi-persistent scheduling RNTI
  • Temporary C-RNTI Temporary C-RNTI
  • the RNTI specifically selects which type of RNTi is configured by higher layer signaling, and the specific value is also specified by the corresponding signaling and data.
  • the value of the RNTI is shown in Table 1 below. See the following table for the search space defined according to the aggregation level. As shown in Figure 2, when the UE is blindly detected, it is detected according to the DCI format corresponding to the downlink transmission mode. The 16-bit Cyclic Redundancy Check (CRC) of each downlink control information DCI is added by the above RNTI. Different UEs can be configured with different RNTIs to scramble the CRC, so that DCIs of different UEs can be distinguished. Table 1: RNTI values
  • SI System Information
  • LTE-A carrier aggregation scenario multiple carrier types are introduced.
  • the LTE-A carrier type can be classified into three types: Backwards compatible carrier, Non-backwards compatible carrier, and Extension carrier.
  • the extended carrier has two meanings: 1) as part of a component carrier (CC); 2) as a separate component carrier.
  • the extended carrier cannot operate independently and must belong to a part of a set of component carriers, and at least one of the component carriers in the set can work independently.
  • the extended carrier is not visible to LTE UEs.
  • LTE-A also introduces the concept of a bearer carrier, that is, the carrier that the UE initially accesses. After the access is successful, the UE can be reconfigured by the higher layer signaling to ensure load balancing.
  • a PDCCH component set (PDCCH CC set ) is defined, and the UE needs to perform blind detection in the PDCCH CC set; and a downlink component carrier set (DL Link set) is also defined. ), the PDSCH of the UE can be in the DL CC set Send on any CC.
  • cross-carrier scheduling is allowed, that is, the PDCCH on a certain component carrier can schedule PDSCH or PUSCH on multiple component carriers.
  • the technical problem to be solved by the present invention is to provide a method and system for transmitting system information in a carrier aggregation scenario, and a base station, which can implement the problem of acquiring system information of an extended carrier or a cross-carrier, and realizing correct acquisition of system information in a carrier aggregation scenario. .
  • the present invention provides a method for transmitting system information in a carrier aggregation scenario, including:
  • the component carrier corresponding to the system information to be transmitted is indicated by using a radio network temporary identifier with a carrier indication feature or a downlink control information format carrying carrier indication information on the selected component carrier.
  • the transmission method further includes:
  • the user equipment UE receives the system information on the selected component carrier, and distinguishes the component carrier corresponding to the system information by using the radio network temporary identifier with the carrier indication feature or the carrier indication information in the downlink control information format.
  • the step of selecting a component carrier for system information to be transmitted may be implemented by one of the following methods or a combination thereof:
  • Selecting a component carrier by means of high-level signaling indication; automatically defaulting a unique carrier or a unique associated carrier as a component carrier; randomly selecting from a physical downlink control channel PDCCH component carrier set Component carrier; ⁇ Residing carrier as component carrier.
  • the wireless network temporary identification value CI-RNTI or a downlink control information DCI format format X is implemented.
  • the carrier indicates that the radio network temporary identifier value CI-RNTI is configured by the base station to each component carrier that is scheduled to be cross-carrier by high-layer signaling, and the CI-RNTI values of different component carriers are configured differently;
  • the CI-RNTI of the selected component carrier is used to transmit the downlink control information of the corresponding system information transmitted on the selected component carrier.
  • the DCI format format 1A or 1C cyclic redundancy check CRC performs power interference.
  • the downlink control information DCI format format X includes carrier indication CI information, a centralized modulation coding mode indication bit, and a redundancy version indication bit.
  • the downlink control information carrying the system information to be transmitted, the DCI format format X, is added by the X-radio network temporary identifier value RNTI.
  • Carrying System Information SI's DCI format X is located in the public search space or in the UE-specific search space, or only in the public search space.
  • the DCI format X is a downlink control information format that is combined in the DCI format 1A.
  • the CRC of the DCI of the high layer signaling configuration system information is scrambled by the X-RNTI
  • the downlink control information solved by the user equipment UE corresponds to the DCI format X. Carrying information.
  • the DCI format X is an independent downlink control information format, and the DCI format X also carries bit information distinguished from the DCI format 0 or 1 A format.
  • the present invention also provides a system for transmitting system information in a carrier aggregation scenario, where the transmission system includes: a base station and a user equipment UE, where: The base station is configured to: select a component carrier for the system information to be sent, and send the system information to be sent to the user equipment UE on the selected component carrier, where the carrier indicator is used on the selected component carrier.
  • the characteristic wireless network temporary identifier or the downlink control information format carrying the carrier indication information determines a component carrier corresponding to the system information to be sent;
  • the user equipment UE is configured to receive the system information sent from the base station on the selected component carrier, and distinguish the system information by using a radio network temporary identifier with a carrier indication feature or carrier indication information in a downlink control information format. Corresponding component carrier.
  • the base station is configured to select a component carrier for system information to be transmitted by one of the following or a combination thereof:
  • the component carrier is selected by means of high-level signaling indication; the default unique carrier or the unique associated carrier is automatically used as the component carrier; the component carrier is randomly selected from the physical downlink control channel PDCCH component carrier set and the resident carrier is used as the component carrier.
  • the base station is configured to implement wireless using the carrier indication feature on the selected component carrier by defining a carrier indication radio network temporary identifier value CI-RNTI or defining a new downlink control information DCI format format X
  • the network temporary identifier or the downlink control information format carrying the carrier indication information determines a component carrier corresponding to the system information to be transmitted.
  • the present invention provides a base station, where the base station is configured to select a component carrier for the system information to be sent, and send the system information to be sent to the user equipment UE on the selected component carrier.
  • the user equipment UE receives the system information transmitted from the base station on a selected component carrier; wherein, using a radio network temporary flag with a carrier indication feature or carrying carrier indication information on a selected component carrier
  • the downlink control information format determines a component carrier corresponding to system information to be transmitted.
  • the base station is configured to select a component carrier for system information to be transmitted by one of the following or a combination thereof:
  • the component carrier is selected by means of high-level signaling indication; the default unique carrier or the unique associated carrier is automatically used as the component carrier; the component carrier is randomly selected from the physical downlink control channel PDCCH component carrier set and the resident carrier is used as the component carrier.
  • the base station is configured to indicate a temporary identifier value of the wireless network by defining a carrier
  • the CI-RNTI or a new downlink control information DCI format format X is defined to implement a system for determining a to-be-transmitted using a radio network temporary identifier with a carrier indication feature or a downlink control information format carrying carrier indication information on a selected component carrier.
  • the component carrier corresponding to the information.
  • the method and system for transmitting system information in the carrier aggregation scenario of the present invention and the base station can implement system information transmission across carriers, and which system information is transmitted by solving which component carrier or not, and how to indicate on the selected carrier
  • the system information of which component carrier is transmitted, and other issues, the high-level signaling is used to indicate the selected component carrier; the automatic default unique carrier or the unique associated carrier; the component carrier is randomly selected from the physical downlink control channel PDCCH component carrier set
  • the carrier is selected by using the resident carrier as the selected component carrier, and the carrier corresponding to the carried system information is indicated by the CI-RNTI and the new DCI format, so that the terminal can receive correctly.
  • This can implement downlink control information for transmitting other carrier system information on one carrier, thereby solving the problem of acquiring system information in a carrier aggregation scenario.
  • FIG. 1 is a schematic diagram of cross-carrier transmission system information in a carrier aggregation scenario
  • FIG. 2 is a schematic diagram of a transmission system for transmitting system information across carriers in a carrier aggregation scenario.
  • the transmission method is the same as that in the LTE system; but when the system information of the component carrier A is not transmitted on the component carrier A, what should be handled? The technical solution of the present invention will be explained.
  • the present invention is directed to the problem of how system information of a component carrier is transmitted and received on a non-subcarrier carrier when the extended carrier or cross-carrier scheduling is configured in the LTE-A system, and a system information transmission method and system in a carrier aggregation scenario is proposed.
  • the present invention decomposes the technical problem into: selecting which component carrier or components are used to transmit the system information, and how to indicate system information of which component carrier the transmitted system information is on the selected carrier, so that the user equipment UE can Identify, accurately obtain Take the system information of each component carrier.
  • By selecting the transmitted component carrier and accurately indicating which component carrier the system information corresponds to, downlink control information for transmitting other carrier system information on one carrier can be implemented, thereby solving the problem of acquiring system information in the carrier aggregation scenario.
  • the method for transmitting system information in the carrier aggregation scenario of the present invention includes: selecting a component carrier for system information to be sent, and transmitting, by the base station, the system information to be sent to the user equipment on the selected carrier (User Equipment, abbreviated as UE), where the component carrier corresponding to the system information to be transmitted is determined by using the newly defined RNTI or the DCI containing the carrier indication information on the selected component carrier.
  • UE User Equipment
  • the step of selecting a component carrier for system information to be transmitted may be implemented by one of the following methods or a combination thereof:
  • High-level signaling indication automatic default; random selection; sent on the resident carrier.
  • the component carrier that transmits the system information is selected by the base station, and the base station sends the indication information of the selected component carrier to one or more UEs through the third layer radio resource control layer (Radio Resource Control, RRC for short) by using the high layer signaling.
  • the UE parses the high layer signaling to obtain the indication information of the selected component carrier; the base station transmits the DCI of the system information on the selected component carrier, and the UE detects the DCI of the system information on the selected carrier.
  • RRC Radio Resource Control
  • the DCI of the system information that the former UE needs to blindly detect is on the unique component carrier A, and the latter UE needs to be blind.
  • the DCI of the detected system information of the extended carrier B is on the unique component carrier A, and at this time, the high layer signaling indication is not required.
  • any one of the component carriers may be selected from the component carrier set of the PDCCH to transmit the DCI of the SI of the extension carrier or the DCI of the SI of the component carrier scheduled across the carrier.
  • one component carrier A may be selected from the component carrier set for transmitting the DCI of the system information of the extended carrier B.
  • System information of a component carrier other than a component carrier set of the PDCCH is acquired by the UE At this time, the DCI of these system information is transmitted on the downlink carrier of the UE.
  • the step of determining the component carrier corresponding to the DCI of the system information to be transmitted by using the newly defined RNTI or the DCI containing the carrier indication information on the selected component carrier may be performed by defining a carrier indication feature.
  • the wireless network temporary identifier CI-RNTI or a new downlink control information format DCI format is implemented. among them:
  • CI-RNTIs are configured for each component carrier that is scheduled by the cross-carrier through the high-layer signaling, and the value of the CI-RNTI can be the RNTI value reserved from the LTE system.
  • the middle selection that is, the reserved value FFF3 FFFC, different component carriers have different CI-RNTI values, and do not conflict with other kinds of RNTIs.
  • the CRC of the DCI format 1A/1C carrying the SI is directly scrambled with the SI-RNTI.
  • the DCI of the SI of the component carrier B is not transmitted on the carrier B, for example, When transmitting on the component carrier A selected by the above four methods, the CRC of the DCI format 1A/1C carrying the SI is scrambled by the CI-RNTI of the component carrier B.
  • the UE achieves the purpose of distinguishing system information of different component carriers by descrambling the DCI.
  • the DCI format 1 A scrambled with CI-RNTI can be defined only in the common search space, or can be located in the common search space or the UE-specific search space.
  • DCI format 1C scrambled with CI-RNTI is only located in the common search space.
  • a downlink control information format DCI format X which is specifically used to indicate system information of other carriers, is defined, and the overhead of the DCI format X is consistent with DCI format 1A;
  • the DCI format X includes at least:
  • the PDCCH carrying DCI format X scrambles the CRC using a proprietary X-RNTI.
  • the DCI format 1A/X carrying other carriers SI may be located in a common search space or a UE-specific search space. It should be noted that the DCI format X can be combined in the DCI format 1A.
  • the DCI solved by the UE corresponds to the information carried by the DCI format X.
  • the X-RNTI can be selected from the RNTI reserved in the LTE system, that is, the FFF3 FFFC.
  • the DCI format X can also be used as a separate DCI format.
  • the DCI format X also carries bit information distinguished from the DCI format 0/1 A format.
  • the PDSCH of the system information may be defined to be transmitted on the own carrier, i.e., the PDSCH of the system information of the component carrier A is transmitted on the component carrier A. It is also possible to define that the PDSCH of the system information is transmitted on the same carrier as the DCI.
  • the transmission system includes: a base station 1 and a user equipment UE2, where:
  • the base station is configured to: select a component carrier for the system information to be sent, and send the system information to be sent to the user equipment UE on the selected carrier, where the wireless network with the carrier indication feature is used on the selected component carrier.
  • the temporary flag or the downlink control information format carrying the carrier indication information determines a component carrier corresponding to the system information to be transmitted.
  • the user equipment UE is configured to receive the system information sent from the base station on the selected component carrier, and use the radio network temporary identifier with the carrier indication feature or the carrier indication information in the downlink control information format to distinguish the corresponding system information.
  • Component carrier
  • the UE further extracts a physical downlink shared channel of the corresponding component carrier according to the downlink control information DCI of the received system information.
  • the system information in LTE-A can be cross-carrier scheduled; that is, the downlink information (DCI) related to system information of carrier B can be sent by the base station to the UE on other carriers A (B is not equal to A).
  • the UE may detect downlink control information (DCI) related to the carrier B system information on the carrier A;
  • the carrier that sends the downlink control information related to the carrier B system information may be configured by using high layer signaling; or is any one of the PDCCH component carrier sets; or is a resident carrier; or is unique in the PDCCH component carrier set of the UE. Only one carrier A or only with extension One component carrier A associated with carrier B, and the system information that the UE needs to detect at this time is on the unique component carrier A.
  • the DCI of different carrier system information transmitted on the same carrier scrambles the CRC by using different scrambling codes for the PDCCH carrying the corresponding DCI, thereby distinguishing DCIs of different carrier system information.
  • a carrier indicator-Radio Network Temporary Identifier (CI-RNTI) is allocated to each component carrier that needs to be scheduled by the cross-carrier in the cell, and the PDCCH of the DCI that carries the corresponding system information of each carrier is used.
  • the scrambling code corresponding to the carrier is used to scramble the CRC;
  • the CRC of the DCI format 1A/1C of the system information of each carrier is scrambled with a given CI-RNTI.
  • the UE can distinguish the system information of each carrier by using the CI-RNTI.
  • a DCI format X dedicated to indicating another carrier SI may be defined, and the overhead of the DCI format X is consistent with the DCI format 1A of the component carrier in which the component carrier is located; the consistency refers to the original information before encoding. Consistent, that is, the information domain and domain size are the same.
  • the DCI format X includes:
  • DCI format X uses a proprietary X-RNTI to scramble the CRC.
  • the DCI format 1A/X carrying other carriers SI may be located in a common search space or a UE-specific search space.
  • the DCI format X can be combined in the DCI format 1A.
  • the DCI information decoded by the UE corresponds to the information carried by the DCI format X.
  • the X-RNTI can be selected from the RNTI reserved in the LTE system, that is, the FFF3 FFFC.
  • the DCI format X can also be used as a separate DCI format.
  • the DCI format X also carries bit information distinguished from the DCI format 0/1 A format.
  • Example 1 the component carrier that transmits the system information is selected by using the high-level signaling configuration mode, and the scrambling indication is performed by using the CI-RNTI.
  • CC1 there are three carriers CC1, CC2 and CC3.
  • CC3 is an extension carrier, and there are two component carriers in the PDCCH CC set of the UE, which are recorded as CC1 and CC2.
  • the extension carrier CC3 Since the extension carrier CC3 has no PDCCH, the system information of the extension carrier can be transmitted on other component carriers by the higher layer signaling indication.
  • the CI-RNTI assigned to CC3 by the higher layer signaling is FFFC (hexadecimal).
  • the UE can obtain the location of the PDSCH of the system information of the extended carrier CC3 at the CC3 according to the obtained DCI.
  • the component carrier that transmits the system information is selected by using a random selection method, and the DCI format X is defined by the newly defined downlink control information format.
  • the DCI format X is defined by the newly defined downlink control information format.
  • CC3 is an extension carrier, and there are two component carriers in the PDCCH CC set of the UE, which are recorded as CC1 and CC2.
  • the UE needs to obtain system information of CC1, CC2, and CC3. Then, the UE blindly detects the system information of CC1 on the component carrier CC1, and blindly detects the system information of the CC2 on the component carrier CC2, and performs detection on the carrier of the component carrier set, for example, blindly detecting the system information of the extended carrier CC3 on CC1 and CC2. .
  • the information content is interpreted in the corresponding information.
  • the component carrier corresponding to the CI information obtaining system information SI according to the carrier indication in the DCI format X is CC3.
  • the system information of the CC3 is solved in the PDSCH of the CC3.
  • the present invention further provides a base station, wherein the base station is configured to: select a component carrier for the system information to be sent, and send the system information to be sent to the user equipment UE on the selected component carrier, so that the user equipment UE receives The system information sent from the base station on the selected component carrier; wherein the system to be transmitted is determined on the selected component carrier by using a radio network temporary flag with a carrier indication feature or a downlink control information format carrying carrier indication information The component carrier corresponding to the information.
  • the above base station is configured to select a component carrier for system information to be transmitted by one of the following methods or a combination thereof:
  • the component carrier is selected by means of high-level signaling indication; the default unique carrier or the unique associated carrier is automatically used as the component carrier; the component carrier is randomly selected from the physical downlink control channel PDCCH component carrier set and the resident carrier is used as the component carrier.
  • the foregoing base station is configured to indicate a temporary identifier value of the wireless network by defining a carrier
  • the CI-RNTI or a new downlink control information DCI format format X is defined to implement a system for determining a to-be-transmitted using a radio network temporary identifier with a carrier indication feature or a downlink control information format carrying carrier indication information on a selected component carrier.
  • the component carrier corresponding to the information.
  • the base station has the same functions as the base station in the system embodiment, and details are not described herein.
  • the method and system for transmitting system information in a carrier aggregation scenario provided by the present invention and a base station can implement system information transmission across carriers, and solve the system information by using which component carrier or components are used to transmit, and how to select the carrier
  • the system information indicating which component carrier is sent by the system information is used to indicate the component carrier corresponding to the carried system information by using the CI-RNTI and the new DCI format, so that the terminal can correctly receive the system information. Therefore, downlink control information for transmitting other carrier system information on one carrier is implemented, thereby solving the problem of acquiring system information in a carrier aggregation scenario.

Landscapes

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

Abstract

La présente invention se rapporte à un procédé, à un système et à une station de base pour la transmission d'informations système dans des conditions d'agrégation de porteuses. La présente invention permet d'exécuter une transmission d'informations système entre des porteuses. Pour commencer, une composante porteuse est sélectionnée par la station de base en fonction des informations système qui doivent être transmises, et les informations système devant être transmises sont transmises sur la composante porteuse sélectionnée par la station de base. Un équipement d'utilisateur (EU) reçoit les informations système sur la composante porteuse sélectionnée. Il identifie la composante porteuse correspondant aux informations système au moyen de l'identifiant temporaire de réseau radio doué de la caractéristique d'indication de porteuse. Ou bien, il identifie la composante porteuse au moyen d'informations d'indication de porteuse au format d'informations de contrôle sur la liaison descendante. Selon la présente invention, sur la composante porteuse sélectionnée, la composante porteuse correspondant aux informations système devant être transmises est indiquée au moyen de l'identifiant temporaire de réseau radio temporaire doué de la caractéristique d'indication de porteuse. Ou bien, elle est indiquée au moyen du format d'informations de contrôle sur la liaison descendante sous lequel sont transportées les informations d'indication de porteuse. La solution technique de la présente invention permet de transmettre des informations système entre des porteuses. Elle permet en outre d'acquérir correctement des informations système d'une porteuse étendue.
PCT/CN2010/074724 2010-01-08 2010-06-29 Procédé, système et station de base pour la transmission d'informations système dans des conditions d'agrégation de porteuses WO2011082572A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010002226.7 2010-01-08
CN201010002226A CN101772179A (zh) 2010-01-08 2010-01-08 载波聚合场景下系统信息的传输方法及系统

Publications (1)

Publication Number Publication Date
WO2011082572A1 true WO2011082572A1 (fr) 2011-07-14

Family

ID=42504653

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2010/074724 WO2011082572A1 (fr) 2010-01-08 2010-06-29 Procédé, système et station de base pour la transmission d'informations système dans des conditions d'agrégation de porteuses

Country Status (2)

Country Link
CN (1) CN101772179A (fr)
WO (1) WO2011082572A1 (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101945403B (zh) * 2010-08-06 2016-01-20 中兴通讯股份有限公司 一种确定用户专有搜索空间的方法和装置
CN102447549B (zh) * 2010-10-09 2015-03-11 普天信息技术研究院有限公司 一种移动通信系统中上行同步混合自动重复请求的方法
CN102036297B (zh) * 2010-12-24 2013-08-14 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
JP2014503144A (ja) * 2011-01-07 2014-02-06 富士通株式会社 サブフレーム設定方法、マクロ基地局、移動端末及び通信システム
CN102624507B (zh) 2011-02-01 2015-04-08 华为技术有限公司 上/下行调度信息发送方法和接收方法及装置
CN107437985B (zh) * 2011-02-18 2023-10-13 华为技术有限公司 一种建立演进分组系统承载的方法及基站
CN106411491B (zh) * 2011-03-03 2019-09-10 华为技术有限公司 一种采用载波汇聚方式传输数据的方法、系统及装置
US9204369B2 (en) * 2011-04-01 2015-12-01 Intel Corporation Enhanced node B and method for configuring an extension carrier
CN102740372B (zh) * 2011-04-15 2017-08-25 中兴通讯股份有限公司 一种下行控制信息的发送方法及装置
WO2012173425A2 (fr) 2011-06-15 2012-12-20 Samsung Electronics Co., Ltd. Extension de signalisation de commande de liaison descendante physique dans un système de communication
US11974295B2 (en) 2011-07-25 2024-04-30 Nec Corporation Communication system
GB2493154A (en) 2011-07-25 2013-01-30 Nec Corp Communicating control channel reference signal patterns in the control region of a sub-frame in a cellular communication system
US9515808B2 (en) * 2011-07-26 2016-12-06 Qualcomm Incorporated Transmission of control information in a wireless network with carrier aggregation
WO2013139004A1 (fr) 2012-03-21 2013-09-26 华为技术有限公司 Procédé d'établissement de porteuse de système de paquet évolué et station de base
WO2013139305A1 (fr) 2012-03-23 2013-09-26 Mediatek Inc. Procédés de configuration d'agrégation de porteuses multipoint et de transfert de données
CN102685821A (zh) * 2012-04-25 2012-09-19 北京大学 一种适用于高速无线移动网络的新型切换命令承载方法
CN104620625B (zh) * 2012-12-13 2019-04-05 富士通株式会社 用于获取或发送小区载波类型信息的方法、基站、网络管理实体、终端和系统
CN103929803B (zh) 2013-01-10 2018-03-23 电信科学技术研究院 一种上行功率控制命令传输方法及装置
EP3518444B1 (fr) 2013-01-26 2021-08-25 LG Electronics Inc. Procédé de réception d'informations de commande de liaison descendante par ue dans un système de communication sans fil et appareil associé
CN104301897A (zh) * 2013-07-18 2015-01-21 华为技术有限公司 降低小区干扰的方法及装置
EP4239937A3 (fr) * 2015-07-01 2023-09-27 LG Electronics Inc. Procédé et dispositif de réception de signal dans un système de communication sans fil
CN106559809A (zh) * 2015-09-25 2017-04-05 中兴通讯股份有限公司 系统信息发送方法、接收方法、发送装置及接收装置
CN107135046B (zh) 2016-02-26 2020-02-14 华为技术有限公司 一种信息传输方法及装置
CN107306174B (zh) 2016-04-20 2021-07-27 西安中兴新软件有限责任公司 一种用于载波聚合的载波调度的方法、设备和系统
EP3639494A1 (fr) * 2017-06-16 2020-04-22 Telefonaktiebolaget LM Ericsson (publ) Indication de forme d'onde dans des réseaux de communication sans fil
JP6917480B2 (ja) 2017-08-11 2021-08-11 北京小米移動軟件有限公司Ｂｅｉｊｉｎｇ Ｘｉａｏｍｉ Ｍｏｂｉｌｅ Ｓｏｆｔｗａｒｅ Ｃｏ．，Ｌｔｄ． クロスキャリアスケジューリング方法及び装置
CN110035520B (zh) * 2018-01-12 2021-10-15 维沃移动通信有限公司 数据传输方法、解扰方法、解调方法及设备
CN116918409A (zh) * 2021-02-22 2023-10-20 联发科技（新加坡）私人有限公司 移动通信中的跨载波增强的pdcch cce和盲解码划分

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007108630A1 (fr) * 2006-03-21 2007-09-27 Lg Electronics Inc. Procédé d'émission/réception d'informations système lte dans un système de communication sans fil
US20090318177A1 (en) * 2008-02-28 2009-12-24 Interdigital Patent Holdings, Inc. Method and apparatus for lte system information update in connected mode

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101505538A (zh) * 2009-03-13 2009-08-12 中兴通讯股份有限公司 一种多载波随机接入的方法和系统
CN101610564B (zh) * 2009-04-29 2015-04-01 中兴通讯股份有限公司 一种下行控制信息的发送和检测方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007108630A1 (fr) * 2006-03-21 2007-09-27 Lg Electronics Inc. Procédé d'émission/réception d'informations système lte dans un système de communication sans fil
US20090318177A1 (en) * 2008-02-28 2009-12-24 Interdigital Patent Holdings, Inc. Method and apparatus for lte system information update in connected mode

Non-Patent Citations (8)

* Cited by examiner, † Cited by third party
Title
"System Information Acquisition and updating for Carrier Aggregation.", 3GPP TSG RAN WG2 #67, R2-094710., 18 August 2009 (2009-08-18) *
"System information acquisition at the start of carrier aggregation.", 3GPP TSG RAN WG2#67, R2-094186., 18 August 2009 (2009-08-18) *
"System Information Acquisition in CA.", 3GPP TSG RAN WG2 MEETING #67, R2-094321., 18 August 2009 (2009-08-18) *
"System Information for Carrier Aggregation.", 3GPP TSG-RAN2 MEETING #67, R2-094661., 18 August 2009 (2009-08-18) *
"System Information Modification Indication in Carrier Aggregation.", 3GPP TSG RAN WG2#67, R2-094187., 18 August 2009 (2009-08-18) *
JIAO, HUIYING: "LTE-Advanced Key Technologies and Its Standardization Status.", TELECOMMUNICATION NETWORK TECHNOLOGY., 31 December 2009 (2009-12-31), pages 19 *
LUI, SIYANG ET AL.: "The Challenge of Carrier Aggregation Technology to LTE-Advanced Air Interface Protocol.", TELECOMMUNICATION NETWORK TECHNOLOGY, 30 April 2010 (2010-04-30), pages 28 *
XIAN, YONGJU ET AL.: "HandoffProcedure Analysis of LTE-A System with Multi-carriers Aggregation.", TELECOMMUNICATION SCIENCE., 31 December 2009 (2009-12-31), pages 46 - 50 *

Also Published As

Publication number Publication date
CN101772179A (zh) 2010-07-07

Similar Documents

Publication Publication Date Title
WO2011082572A1 (fr) Procédé, système et station de base pour la transmission d'informations système dans des conditions d'agrégation de porteuses
CN110383729B (zh) 用于在无线通信系统中发送或接收信号的方法及其装置
CN113692059B (zh) 无线通信系统中的方法和设备
US10015784B2 (en) Apparatus and method of avoiding control channel blocking
US11659540B2 (en) Communications device, infrastructure equipment and methods for receiving downlink control information
US9590785B2 (en) Terminal device, base station device, communication method, and integrated circuit for processing demodulation reference signals
CN107210899B (zh) 用于增强型载波聚合的联合控制
US9497775B2 (en) Method and apparatus for carrier scheduling in a multi-carrier system
JP5698390B2 (ja) 多重ノードシステムにおける端末の制御情報検索方法及び装置
US9516606B2 (en) Terminal apparatus, method, and integrated circuit
CN102625457B (zh) 下行控制信息的发送、接收和传输方法及相关装置
WO2019032701A1 (fr) Équipements d'utilisateurs, stations de base et procédés
EP2566234B1 (fr) Système de communications mobiles, appareil de station de base, appareil de station mobile, et procédé de communications
EP3253108A1 (fr) Dispositif terminal, dispositif de station de base, procédé de communication et circuit intégré
US20150009952A1 (en) Systems and Methods for Transmitting Data Information Messages on a Downlink of a Wireless Communication System
WO2019192345A1 (fr) Procédé et dispositif d'attribution de ressources de transmission de domaine temporel
JP2018510584A (ja) 拡張キャリアアグリゲーションにおけるブラインド復号の低減
WO2011097930A1 (fr) Procédé et système de transmission d'informations de changement de canal de commande multipoint
KR20110081070A (ko) 복수의 컴포넌트 캐리어를 지원하는 무선통신 시스템에서 크로스-캐리어 스케쥴링을 통한 데이터 전송 방법 및 장치
CN108633047A (zh) 一种信道传输方法及网络设备
US20150023282A1 (en) Terminal device, base station device, and integrated circuit
EP3051869B1 (fr) Dispositif terminal, dispositif station de base, circuit intégré, et procédé de communication pour une transmission harq
CN104756535A (zh) 在无线通信系统中接收控制信息的方法及其设备
US10638461B2 (en) Terminal apparatus with offset determined depending on subframe set
EP3145262A1 (fr) Dispositif de terminal, circuit intégré et procédé de communications radio

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: 10841915

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: 10841915

Country of ref document: EP

Kind code of ref document: A1