WO2010083741A1 - 一种配置下行物理控制信道的方法、基站和终端 - Google Patents

一种配置下行物理控制信道的方法、基站和终端 Download PDF

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Publication number
WO2010083741A1
WO2010083741A1 PCT/CN2010/070179 CN2010070179W WO2010083741A1 WO 2010083741 A1 WO2010083741 A1 WO 2010083741A1 CN 2010070179 W CN2010070179 W CN 2010070179W WO 2010083741 A1 WO2010083741 A1 WO 2010083741A1
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WIPO (PCT)
Prior art keywords
terminal
component carrier
pdcch
carrier
base station
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PCT/CN2010/070179
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English (en)
French (fr)
Inventor
谌丽
高卓
李国庆
Original Assignee
大唐移动通信设备有限公司
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
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Application filed by 大唐移动通信设备有限公司 filed Critical 大唐移动通信设备有限公司
Priority to EP10733214.0A priority Critical patent/EP2391180B1/en
Priority to US13/145,746 priority patent/US8848729B2/en
Publication of WO2010083741A1 publication Critical patent/WO2010083741A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0096—Indication of changes in allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0096—Indication of changes in allocation
    • H04L5/0098—Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to mobile communication technologies, and in particular, to a method, a base station, and a terminal for configuring a downlink physical control channel. Background of the invention
  • a cell can only correspond to one carrier, and usually the carrier has a maximum bandwidth of 20 MHz.
  • LTE-A Enhanced Long Term Evolution
  • the peak rate requirement of the system is much higher than that of the LTE system, requiring downlink IGbps and uplink 500Mbps.
  • the carrier aggregation (CA) technology is introduced in the LTE-A system. That is, a plurality of carriers that are consecutive or discontinuous are aggregated together in a cell to serve the UE.
  • the aggregated multiple carriers are usually referred to as component carriers, and each component carrier usually does not exceed 20 MHz.
  • multiple (four in the figure) component carriers may be aggregated in one LTE-A cell, and the base station and the UE may perform data transmission on multiple aggregated component carriers to improve system throughput. .
  • the downlink physical control channel (PDCCH, Physical Downlink Control Channel) is used to carry resource scheduling information allocated for the UE, and each UE monitors the PDCCH allocated for itself, and acquires resource scheduling information, which can only be used in the time-frequency indicated by the resource scheduling information. Transfer data on the resource.
  • the method for configuring the PDCCH is not yet proposed for the LTE-A system. If the LTE system is used, the terminal needs to listen to all component carriers of the LTE-A system, and obtain resource scheduling information from the monitored PDCCH, which means that The terminal needs to work on all component carriers, which inevitably wastes the power consumption of the terminal. Summary of the invention
  • the present invention provides a method, a base station, and a terminal for configuring a PDCCH, so as to reduce power consumption of a terminal during monitoring of a PDCCH.
  • a method for configuring a PDCCH comprising:
  • the base station configures the component carrier used by the PDCCH for the terminal, and notifies the terminal of the configured component carrier information, so that the terminal only monitors the PDCCH on the configured component carrier.
  • a base station includes: a carrier configuration unit and an information notification unit;
  • the carrier configuration unit is configured to configure, for the terminal, a member carrier used to monitor the PDCCH;
  • the information notification unit is configured to notify the terminal of the component carrier information configured by the carrier configuration unit, so that the terminal monitors the PDCCH only on the configured component carrier.
  • a terminal comprising: an information receiving unit and a carrier sensing unit;
  • the information receiving unit is configured to receive component carrier information used by the base station to monitor the PDCCH configured by the terminal;
  • the carrier monitoring unit is configured to monitor the PDCCH only on the component carrier configured for the terminal according to the component carrier information received by the information receiving unit.
  • the present invention provides a method for configuring a PDCCH for an LTE-A system, that is, configuring, for a terminal, a component carrier used for monitoring a PDCCH, and notifying the configured component carrier information to the terminal, so that the terminal
  • the PDCCH is only monitored on the component carriers of the configuration. That is to say, in this way, the terminal only needs to work on the necessary component carriers, and does not need to listen to all component carriers in the LTE-A system, thereby reducing the number of component carriers simultaneously listening, non-contiguous component carriers. In this case, the number of receivers that are turned on at the same time is also reduced, thereby reducing the power consumption of the terminal during the monitoring of the PDCCH.
  • 1 is a schematic diagram of an aggregate carrier in an LTE-A system
  • FIG. 2 is a schematic diagram of a PDCCH scheduling relationship according to Embodiment 1 of the present invention
  • FIG. 2 is a schematic diagram of a PDCCH scheduling relationship according to Embodiment 2 of the present invention
  • FIG. 3 is a flowchart of a method according to Embodiment 1 of the present invention
  • FIG. 5 is a flowchart of a method for adjusting a component carrier according to an embodiment of the present invention
  • FIG. 6 is a structural diagram of a base station according to an embodiment of the present invention. Mode for carrying out the invention
  • the method provided by the present invention mainly includes: the base station configures a component carrier used by the PDCCH for the terminal, and notifies the terminal of the configured component carrier information, so that the terminal monitors the PDCCH on the configured component carrier.
  • Embodiment 1 The PDCCH is configured on different component carriers, and the PDCCH on each component carrier only schedules data transmission on the component carrier, that is, only downlink data transmission on the component carrier and the corresponding uplink component carrier are scheduled. Data transmission, as shown in Figure 2a.
  • FIG. 3 is a flowchart of a method according to Embodiment 1 of the present invention. As shown in FIG. 3, the method may include the following steps:
  • Step 301 The base station selects a component carrier that the terminal can use according to a preset carrier configuration policy according to the channel quality of the terminal on each component carrier.
  • the network side can obtain the random access (preamble) code sent by the terminal.
  • Obtaining the channel quality of the terminal on each component carrier where the network side can directly measure the quality of the downlink component carrier corresponding to the uplink component carrier that sends the preamble code through the preamble code sent by the terminal; or can be implicitly carried in the preamble code.
  • the path loss information on each component carrier determines the channel quality of the terminal on each component carrier.
  • the preamble code may be pre-grouped, and each packet represents a path loss condition, for example, the preamble code is pre-divided into group A and In group B, if the downlink path loss measured by the terminal is greater than the preset threshold, the preamble code of the group A is sent, and when the network side receives the preamble code of the group A, it is determined that the path loss of the terminal on the member carrier is greater than the pre- Set the threshold.
  • the component carrier that can be used by the terminal according to the preset carrier configuration policy may be: According to the channel quality of the component on each component carrier, the component carrier whose channel quality is greater than the preset quality threshold is selected for the terminal.
  • the component carrier may be selected for the terminal according to one or any combination of the following factors: according to the transmission capability of the terminal and the service characteristic of the terminal. Or the load of the terminal on each component carrier.
  • the corresponding carrier configuration policy may be: selecting, according to the service characteristics of the terminal, a component carrier whose bandwidth or transmission quality meets the requirements of the access service, for example, if the service characteristic of the terminal is required for the access service to be high or the required bandwidth is large, Selecting a component carrier with a large bandwidth or a good transmission quality for the terminal; selecting, according to the transmission capability of the terminal, a component carrier whose bandwidth or transmission quality meets the transmission capability of the terminal, for example: if the transmission capability of the terminal is strong, selecting a large bandwidth for the terminal Or a component carrier with a good channel quality; if the terminal is a newly accessed terminal, the carrier is selected to be a carrier with a load condition less than a preset load threshold.
  • component carrier selected for the terminal may be one, or multiple component carriers may be selected for the terminal according to specific requirements.
  • Step 302 Configure a PDCCH carrying resource scheduling information of the component carrier on the selected component carrier.
  • the PDCCH on each component carrier only schedules data transmission on the component carrier. Therefore, after the component carrier is selected, the PDCCH configured on the component carrier carries resource scheduling information of the component carrier.
  • Step 303 The base station notifies the terminal of the component carrier information used by the monitoring PDCCH configured by the terminal by using the network side signaling.
  • the base station may notify the terminal of the component carrier information used by the terminal for monitoring the PDCCH configured by the RRC (Radio Resource Control) signaling, the medium access control (MAC) command, or the PDCCH control command. So that the terminal only listens to the component carrier.
  • RRC Radio Resource Control
  • MAC medium access control
  • the terminal in addition to notifying the terminal by way of network side signaling, the terminal can also be notified by means of system broadcast.
  • the network side may group the component carriers allocated to each terminal into a set of component carriers, and notify the terminal of the carrier information of the carrier and the component carrier set identifier of the terminal by the system broadcast; or, the network side and the terminal pre-agreed to each component carrier.
  • the grouping of the component carrier set is performed, and the network side notifies the terminal of the component carrier set identifier of the terminal by the system broadcast.
  • Step 304 After receiving the member carrier information used by the PDCCH for monitoring, the terminal monitors the PDCCH on the component carrier, and performs data transmission according to the time-frequency resource indicated by the resource scheduling information carried in the PDCCH.
  • the terminal After receiving the component carrier information used by the PDCCH for monitoring the PDCCH, the terminal only needs to monitor the member carriers, and perform data transmission only on the downlink component carrier and the corresponding uplink component carrier where the PDCCH is located, that is, according to the PDCCH.
  • the data transmission is performed on the time-frequency resource indicated by the resource scheduling information carried in the data.
  • Embodiment 2 In a component carrier set configured for a terminal, a PDCCH on each component carrier may schedule data transmission on any one of the component carrier groups, as shown in FIG. 2b, and configure a component carrier for the terminal 1 1.
  • Member carrier 2 and component carrier 3 constitutes a carrier set, and any one of the PDCCHs in the set of component carriers can schedule data transmission on the component carrier 1, the component carrier 2, and the component carrier 3.
  • FIG. 4 is a flowchart of a method according to Embodiment 2 of the present invention. As shown in FIG. 4, the method may include the following steps:
  • Step 401 The base station selects a component carrier that can be used to form a component carrier set according to the service characteristics of the terminal, the channel quality on each component carrier, and the quality of the PDCCH.
  • selecting a component carrier set may specifically include the following steps:
  • the base station first determines the amount of resources required by the terminal according to the service characteristics of the terminal and the channel quality on each of the carriers.
  • S2 Determine the PDCCH bandwidth required by the terminal according to the amount of resources required by the terminal and the quality of the PDCCH.
  • the base station selects, for the terminal, a set of component carriers that satisfy the required PDCCH bandwidth. That is, the sum of the PDCCH bandwidths of the component carriers in the component carrier set is greater than or equal to the PDCCH bandwidth required by the terminal.
  • the member carrier set usually includes more than one component carrier.
  • Step 402 Configure a PDCCH carrying resource scheduling information of the member carrier set on each component carrier in the selected component carrier set.
  • the PDCCH configured on each component carrier in the carrier set is the resource scheduling information carrying the component carrier set, because the PDCCH of the component carrier in the component carrier set can be configured for all the component carriers in the component carrier set. .
  • Step 403 The base station notifies the terminal of the component carrier set information used by the monitoring PDCCH configured by the terminal by using the network side signaling.
  • the base station may notify the terminal of the component carrier set information used by the terminal for monitoring the PDCCH configured by the RRC signaling, the MAC command, or the PDCCH control command, so that the terminal only listens to the carrier set.
  • the terminal in addition to notifying the terminal by way of network side signaling, the terminal may be notified by means of system broadcast. For the manner in which the system broadcasts, refer to the description in the first embodiment.
  • Step 404 After receiving the member carrier set information used by the PDCCH for monitoring, the terminal monitors the PDCCH on the set of component carriers, and performs data transmission according to the time-frequency resource indicated by the resource scheduling information carried in the PDCCH.
  • the terminal After receiving the component carrier set information used by the PDCCH for monitoring the PDCCH, the terminal only needs to monitor the component carriers in the component carrier set, and only perform the downlink carrier and the corresponding uplink component carrier where the PDCCH is located.
  • the data transmission is performed on the time-frequency resource indicated by the resource scheduling information carried in the PDCCH.
  • the component carrier used by the terminal to monitor the PDCCH is configured, which may be an initial configuration of the terminal, or may be a reconfiguration for the terminal.
  • the terminal is configured to monitor the component carrier used by the PDCCH, and after the terminal monitors the PDCCH for the carrier configured for itself, the terminal changes to the channel environment, the service load, or the service volume of the terminal.
  • the configured component carrier may no longer meet the service requirements of the terminal.
  • the base station may adjust the component carrier configured for the terminal.
  • the base station can determine, in real time, whether the component carrier configured by the terminal meets the service requirement of the terminal according to the channel quality of the component carrier configured for the terminal, the load of each component carrier, or any combination of the terminal services. If the packet is not satisfied, the process of adjusting the component carrier where the PDCCH is located is adjusted for the terminal, and the component carrier used for monitoring the PDCCH configured for the terminal is adjusted to other component carriers that meet the service requirements of the terminal.
  • the condition of the component carrier adjustment may be: When the terminal initially accesses the network, the terminal information acquired by the base station is not complete, and after the terminal establishes a connection with the network, the component carrier configured for the terminal needs to be adjusted; or, in the data transmission In the process, the component carrier configured for the terminal is adjusted due to the change of the channel quality of the component carrier; or the traffic of the terminal needs to be adjusted to a component carrier with a larger bandwidth or smaller; or If the load of the carrier is changed, the component carrier configured for the terminal needs to be adjusted. For example, if the number of terminals on a member carrier is too large, the load of the component carrier reaches the load threshold, and some terminals need to be adjusted to the member carrier with light load. ; and many more.
  • the process can include the following steps:
  • Step 501 The base station monitors the channel quality of the terminal on the two component carriers in real time.
  • the terminal measures the channel quality on the two component carriers, and reports the measurement result to the base station through the Channel Quality Indication (CQI).
  • CQI Channel Quality Indication
  • Step 502 The base station determines whether the CQI of the component carrier 1 is less than the first quality threshold. If the step 503 is performed, the process ends.
  • Two quality thresholds can be set here, wherein the first quality threshold is less than or equal to the second quality threshold.
  • the CQI of component carrier 1 is less than the first quality threshold, indicating that the channel quality of the member carrier 1 is already poor enough to be adjusted.
  • Step 503 The base station determines whether the CQI of the component carrier 2 is greater than the second quality threshold. If yes, step 504 is performed, otherwise the process ends.
  • Step 504 The base station adjusts the component carrier used by the monitoring PDCCH configured for the terminal from the component carrier 1 to the component carrier 2, and notifies the terminal to the terminal through the network side signaling.
  • the two component carriers are used as an example. If there are more than two component carriers, the component carriers whose CQI is greater than the second quality threshold can be selected from the component carriers that are not configured for the terminal, and the terminal is adjusted. Go to the selected member carrier.
  • FIG. 6 is a structural diagram of a base station according to an embodiment of the present invention. As shown in FIG. 5, the base station may include: a carrier configuration unit 600 and an information notification unit 610.
  • the carrier configuration unit 600 is configured to configure, for the terminal, a member carrier used for monitoring the PDCCH.
  • the information notification unit 610 is configured to notify the terminal of the component carrier information configured by the carrier configuration unit 600, so that the terminal monitors the PDCCH only on the configured component carriers.
  • the carrier configuration unit 600 may specifically include: a first selection subunit 601 and a first configuration subunit 602.
  • the first selection subunit 601 is configured to: according to a channel quality of the terminal, a service characteristic of the terminal, a transmission capability of the terminal, and whether the terminal is a newly accessed terminal, according to a preset
  • the carrier configuration policy selects the component carriers that the terminal can use.
  • the first selection sub-unit 601 may select, for the terminal, a component carrier whose channel quality is greater than a preset quality threshold according to the channel quality of the terminal on each carrier; or select a bandwidth or transmission for the terminal according to the service characteristic of the terminal. a component carrier that meets the requirements of the access service; or, according to the transmission capability of the terminal, selects a component carrier whose bandwidth or transmission quality meets the transmission capability of the terminal; or, if the terminal is a newly accessed terminal, selects a load for the terminal. A component carrier whose condition is less than a preset load threshold; or any combination of the above.
  • the first configuration sub-unit 602 is configured to configure, on the component carrier selected by the first selection sub-unit 601, a PDCCH carrying resource scheduling information of the component carrier.
  • the carrier configuration unit 600 may also adopt another structure, and specifically includes: a second selection subunit 603 and a second configuration subunit 604.
  • the second selection sub-unit 603 is configured to select, according to the service characteristics of the terminal, the channel quality on each component carrier, and the quality of the PDCCH, a component carrier that can be used for the terminal. Member carrier set.
  • the specifically selected operation may be: determining, according to the service characteristics of the terminal and the channel quality on each component carrier, the amount of resources required by the terminal; according to the amount of resources required by the terminal and
  • the quality of the PDCCH determines a PDCCH bandwidth required by the terminal; and selects, for the terminal, a component carrier that satisfies the required PDCCH bandwidth to form a component carrier set.
  • the second configuration sub-unit 604 is configured to configure, on the component carrier selected by the second selection sub-unit 603, a PDCCH carrying resource scheduling information of the component carrier set.
  • the information notification unit 610 can notify the terminal of the configured component carrier information by means of network side signaling or system broadcast.
  • the network side signaling may include: radio resource control RRC signaling, or media access control MAC signaling, or PDCCH control signaling.
  • the system broadcast may include packet information in which each component carrier is divided into component carrier sets and a component carrier set identifier in which the component carriers configured for the terminal are located; or, the network side and the terminal pre-agreed to divide each component carrier into component carrier sets. Packet information. At this time, the system broadcast includes the component carrier set identifier of the component carrier configured for the terminal.
  • the base station may further include: an adjustment determining unit 620 and a carrier adjusting unit 630.
  • the adjustment determining unit 620 is configured to determine whether the component carrier used by the carrier configuration unit 600 for monitoring the PDCCH configured by the terminal satisfies the service requirement of the terminal, and if not, sends an adjustment notification to the carrier adjustment unit 630.
  • the adjustment judging unit 620 may perform the above-mentioned judgment operation according to one or any combination of the channel quality, the load status, or the traffic volume of the component carrier used for the monitoring PDCCH configured for the terminal.
  • the carrier adjustment unit 630 is configured to: after receiving the adjustment notification, adjust the component carrier used by the terminal for monitoring the PDCCH to other component carriers that meet the service requirement of the terminal, and notify the terminal of the adjustment information by using the network side signaling.
  • the terminal provided by the present invention may include: an information receiving unit and a carrier sensing unit.
  • the information receiving unit is configured to receive component carrier information used by the base station to monitor the PDCCH configured by the terminal.
  • the carrier sensing unit is configured to monitor the PDCCH only on the component carrier configured for the terminal according to the component carrier information received by the information receiving unit.
  • the information receiving unit may receive, from the network side signaling or the system broadcast, component carrier information used by the base station to monitor the PDCCH configured by the terminal.
  • the information receiving unit may be further configured to receive the adjustment information from the network side signaling, where the adjustment information includes adjusting the component carrier used by the monitoring PDCCH configured for the terminal to other component carriers satisfying the terminal requirement.
  • the carrier monitoring unit may be further configured to adjust the PDCCH on the carrier configured for the terminal to monitor the PDCCH on the adjusted member carrier according to the adjustment information received by the information receiving unit.
  • the method and apparatus provided by the present invention are not limited to the LTE-A system in the embodiment, and are also applicable to other wireless communication systems adopting carrier aggregation technology.
  • the present invention provides a method for configuring a PDCCH for an LTE-A system, that is, configuring, for a terminal, a component carrier used for monitoring a PDCCH, and notifying the configured component carrier information to the terminal, so that the terminal only The PDCCH is monitored on the component carrier of the configuration. That is to say, in this way, the terminal only needs to work on the necessary component carriers, and does not need to listen to all component carriers in the LTE-A system, thereby reducing the number of component carriers simultaneously listening, non-contiguous component carriers. In this case, the number of receivers that are turned on at the same time is also reduced, thereby reducing the power consumption of the terminal during the monitoring of the PDCCH.

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

Abstract

本发明提供了一种配置下行物理控制信道（PDCCH）的方法、基站和终端，其中，基站为终端配置监听 PDCCH所使用的成员载波，并将配置的成员载波信息通知给终端，以便该终端仅在该配置的成员载波上监听 PDCCH。也就是说，通过这种方式，终端只需要工作在必要的成员载波上， 而不必对 LTE-A***中所有的成员载波进行监听， 从而减小了同时监听的成员载波数量，非连续成员载波情况下，也减小了同一时间开启的接收机数量，从而减少了终端在监听 PDCCH过程中的耗电量。

Description

一种配置下行物理控制信道的方法、 基站和终端
技术领域
本发明涉及移动通信技术， 特别涉及一种配置下行物理控制信道的 方法、 基站和终端。 发明背景
在长期演进（LTE ) ***及其之前的无线通信***中， 一个小区只 能对应一个载波， 通常该载波的最大带宽为 20MHz。 在后续提出的增强 长期演进（LTE-A ) ***中， ***的峰值速率要求比 LTE***有了巨大 提高， 要求达到下行 IGbps, 上行 500Mbps。 在一个载波的 20MHz上已 经无法满足需求， 因此， LTE-A ***中引入了载波聚合（CA: Carrier Aggregation )技术， 即一个小区中将连续或者不连续的多个载波聚合在 一起同时为 UE服务， 通常将聚合的多个载波称为成员载波， 每个成员 载波通常不超过 20MHz。 如图 1所示， 可以在一个 LTE-A小区中将多 个（图中为 4个）成员载波进行聚合， 基站和 UE可以在聚合的多个成 员载波上进行数据传输， 以提高***吞吐量。
下行物理控制信道 ( PDCCH, Physical Downlink Control Channel ) 用于承载为 UE分配的资源调度信息，各 UE监听为自身分配的 PDCCH, 并获取资源调度信息， 仅能够在该资源调度信息所指示的时频资源上传 输数据。 目前尚未针对 LTE- A***提出配置 PDCCH的方法， 如果沿用 LTE***的方法则终端需要对 LTE-A***的所有成员载波都进行监听， 从监听到的 PDCCH中获取资源调度信息， 这就意味着终端需要工作在 所有的成员载波上， 这必然对终端的耗电量造成浪费。 发明内容
有鉴于此， 本发明提供了一种配置 PDCCH的方法、 基站和终端， 以便于减少终端在监听 PDCCH过程中的耗电量。
一种配置 PDCCH的方法， 该方法包括：
基站为终端配置监听 PDCCH所使用的成员载波， 并将配置的成员 载波信息通知给该终端， 以便该终端仅在该配置的成员载波上监听 PDCCH。
一种基站， 该基站包括： 载波配置单元和信息通知单元；
所述载波配置单元， 用于为终端配置监听 PDCCH所使用的成员载 波；
所述信息通知单元， 用于将所述载波配置单元配置的成员载波信息 通知给所述终端， 以便所述终端仅在该配置的成员载波上监听 PDCCH。
一种终端， 该终端包括： 信息接收单元和载波监听单元；
所述信息接收单元， 用于接收基站为该终端配置的监听 PDCCH所 使用的成员载波信息；
所述载波监听单元， 用于根据所述信息接收单元接收到的成员载波 信息， 仅在为该终端配置的成员载波上监听 PDCCH。
由以上技术方案可以看出，本发明针对 LTE-A***提供了一种配置 PDCCH的方法， 即为终端配置监听 PDCCH所使用的成员载波， 并将配 置的成员载波信息通知给终端， 以便该终端仅在该配置的成员载波上监 听 PDCCH。 也就是说， 通过这种方式， 终端只需要工作在必要的成员 载波上， 而不必对 LTE- A***中所有的成员载波进行监听， 从而减小了 同时监听的成员载波数量， 非连续成员载波情况下， 也减小了同一时间 开启的接收机数量， 从而减少了终端在监听 PDCCH过程中的耗电量。 附图简要说明
图 1为 LTE-A***中聚合载波的示意图；
图 2a为本发明实施例一提供的 PDCCH调度关系示意图； 图 2b为本发明实施例二提供的 PDCCH调度关系示意图； 图 3为本发明实施例一提供的方法流程图；
图 4为本发明实施例二提供的方法流程图；
图 5为本发明实施例提供的调整成员载波的方法流程图； 图 6为本发明实施例提供的基站结构图。 实施本发明的方式
为了使本发明的目的、 技术方案和优点更加清楚， 下面结合附图和 具体实施例对本发明进行详细描述。
本发明所提供的方法主要包括： 基站为终端配置监听 PDCCH所使 用的成员载波， 并将配置的成员载波信息通知给该终端， 以便该终端在 该配置的成员载波上监听 PDCCH。
下面列举几个实施例对上述方法进行详细描述。
实施例一、 PDCCH 配置在不同的成员载波上， 每个成员载波上的 PDCCH 只调度所在成员载波上的数据传输， 即仅调度所在成员载波上 的下行数据传输和与之对应的上行成员载波上的数据传输， 如图 2a所 示。
图 3为本发明实施例一提供的方法流程图， 如图 3所示， 该方法可 以包括以下步蝶：
步骤 301 : 基站根据终端在各成员载波上的信道质量， 按照预设的 载波配置策略选择终端能够使用的成员载波。
本步骤中， 网络侧可以通过终端发送的随机接入 ( preamble )码获 取终端在各成员载波上的信道质量， 其中， 网絡侧可以通过终端发送的 preamble码直接测量发送 preamble码的上行成员载波所对应的下行成员 载波的质量；也可以通过 preamble码中隐式携带的各成员载波上的路损 信息确定终端在各成员载波上的信道质量 , 例如， 可以将 preamble码预 先进行分组， 每种分组代表一种路损状况， 例如， 将 preamble码预先分 为 A组和 B组， 如果终端测得的下行路损大于预设的门限值， 则发送 A 组的 preamble码， 网絡侧接收到 A组的 preamble码时， 确定终端在该 成员载波上的路损大于预设的门限值。
其中， 按照预设的载波配置策略选择终端能够使用的成员载波可以 为： 根据终端在各成员载波上的信道质量， 为终端选择信道质量大于预 设质量阈值的成员载波。
除了上述根据终端在各成员载波上的信道质量为终端选择成员载波 之外， 还可以根据以下因素中的其中一种或者任意组合来为终端选择成 员载波： 根据终端的传输能力、 终端的业务特性或终端在各成员载波上 的负荷等。 对应的载波配置策略可以为： 根据终端的业务特性， 为终端 选择带宽或传输质量满足接入业务要求的成员载波， 例如： 如果终端的 业务特性为接入业务要求速率高或需要的带宽大， 则为终端选择大带宽 或传输质量好的成员载波； 根据终端的传输能力， 为终端选择带宽或传 输质量满足终端传输能力的成员载波， 例如： 如果终端的传输能力强， 则为终端选择大带宽或信道质量好的成员载波； 如果终端为新接入的终 端， 则为终端选择负荷状况小于预设的负荷阈值的成 载波。
需要说明的是， 为终端选择的成员载波可以为一个， 也可以根据具 体的需求为终端选择多个成员载波。
步骤 302: 在选择的成员载波上配置携带该成员载波的资源调度信 息的 PDCCH。 在该实施例中， 每个成员载波上的 PDCCH仅调度本成员载波上的 数据传输， 因此， 在选择成员载波之后，在该成员载波上配置的 PDCCH 携带该成员载波的资源调度信息。
步骤 303: 基站通过网络侧信令将为该终端配置的监听 PDCCH所 使用的成员载波信息通知给终端。
本步骤中， 基站可以通过无线资源控制 （RRC , Radio Resource Control )信令、 媒体接入控制 （MAC )命令或者 PDCCH控制命令将为 该终端配置的监听 PDCCH所使用的成员载波信息通知给终端， 以使终 端仅对该成员载波进行监听。
另外， 除了通过网络侧信令的方式通知终端之外， 还可以通过*** 广播的方式通知终端。 网络侧可以将分配给各终端的成员载波分组成各 成员载波集合， 将成 载波的分组信息以及终端所在的成员载波集合标 识通过***广播通知给终端； 或者， 网络侧和终端预先约定对各成员载 波进行的成员载波集合的分组， 网络侧仅通过***广播将终端所在的成 员载波集合标识通知给终端。
步骤 304: 终端接收到为自身配置的监听 PDCCH所使用的成员载 波信息后，在该成员载波上监听 PDCCH, 并根据 PDCCH中携带的资源 调度信息所指示的时频资源上进行数据传输。
终端接收到为自身配置的监听 PDCCH所使用的成员载波信息后， 仅需要对这些成员载波进行监听， 并仅在该 PDCCH所在的下行成员载 波和对应的上行成员载波上进行数据传输， 即根据 PDCCH中携带的资 源调度信息所指示的时频资源上进行数据传输。
实施例二、 为终端配置的成员载波集合中， 每个成员载波上的 PDCCH 可以调度所在成员载波集合中的任何一个成员载波上的数据传 输， 如图 2b所示， 为终端 1配置有成员载波 1、 成员载波 2和成员载波 3构成的成 载波集合， 在该成员载波集合中的任意一个 PDCCH都可 以调度成员载波 1、 成员载波 2和成员载波 3上的数据传输。
图 4为本发明实施例二提供的方法流程图， 如图 4所示， 该方法可 以包括以下步骤：
步骤 401: 基站根据终端的业务特性、 在各成员载波上的信道质量 以及 PDCCH的质量， 为终端选择能够使用的成员载波构成成员载波集 合。
本步骤中， 选择成员载波集合可以具体包括以下步骤：
S1 : 基站首先根据终端的业务特性和在各成 载波上的信道质量确 定终端所需要的资源量。
S2: 艮据终端所需的资源量和 PDCCH的质量确定该终端所需要的 PDCCH带宽。
S3: 基站为终端选择满足所需要的 PDCCH带宽的成员载波集合。 即该成员载波集合中的成员载波的 PDCCH带宽之和大于或等于终端所 需要的 PDCCH带宽。该成员载波集合中通常包含一个以上的成员载波。
步骤 402: 在选择的成员载波集合中的各成员载波上配置携带该成 员载波集合的资源调度信息的 PDCCH。
由于该成员载波集合中任一个成员载波的 PDCCH都能够调度该成 员载波集合中所有成员载波， 因此， 在该成 载波集合中的各成员载波 上配置的 PDCCH为携带该成员载波集合的资源调度信息。
步骤 403: 基站通过网络侧信令将为该终端配置的监听 PDCCH所 使用的成员载波集合信息通知给终端。
同样， 基站可以通过 RRC信令、 MAC命令或者 PDCCH控制命令 将为该终端配置的监听 PDCCH 所使用的成员载波集合信息通知给终 端， 以使终端仅对该成 载波集合进行监听。 另外， 除了通过网络侧信令的方式通知终端之外， 还可以通过*** 广播的方式通知终端。 其中***广播的方式参见实施例一中的描述。
步骤 404: 终端接收到为自身配置的监听 PDCCH所使用的成员载 波集合信息后，在该成员载波集合上监听 PDCCH, 并根据 PDCCH中携 带的资源调度信息所指示的时频资源上进行数据传输。
终端接收到为自身配置的监听 PDCCH所使用的成员载波集合信息 后，仅需要对该成员载波集合中的成员载波进行监听，并仅在该 PDCCH 所在的下行成 载波和对应的上行成员载波上进行数据传输， 即根据 PDCCH中携带的资源调度信息所指示的时频资源上进行数据传输。
上述实施例中为终端配置监听 PDCCH所使用的成员载波， 可以是 对终端的初始配置， 也可以是为终端进行的重配。
基于以上两个实施例，为终端配置监听 PDCCH所使用的成员载波， 且终端在为自身配置的成 载波上监听 PDCCH后， 随着信道环境、 业 务负荷或终端的业务量等的变化， 给终端配置的成员载波可能不再满足 该终端的业务需求，此时，基站可以对为终端配置的成员载波进行调整。
其中， 基站可以实时地根据为终端配置的成员载波的信道质量、 各 成员载波的负荷、 终端的业务量中的一种或者任意组合， 判断为终端配 置的成员载波是否满足终端的业务需求， 如果不能够满足， 则触发为终 端调整 PDCCH所在的成员载波流程， 即将为终端配置的监听 PDCCH 所使用的成员载波调整到其它满足终端业务需求的成员载波上。
引起成员载波调整的情况可以为： 由于终端初始接入网络时， 基站 获取的终端信息并不完备， 在终端与网络建立连接后， 需要对为终端配 置的成员载波进行调整； 或者， 在数据传输过程中， 由于成员载波的信 道质量的变化引起对为终端配置的成员载波进行调整； 或者， 终端的业 务量变化， 需要调整到带宽更大或者更小的成员载波上； 或者， 由于成 员载波的负荷发生变化需要对为终端配置的成员载波进行调整， 例如， 某个成员载波上的终端过多使得成员载波的负荷达到负荷阈值， 需要将 部分终端调整到负荷较轻的成员载波上； 等等。
下面以信道质量变化引起调整为终端配置的监听 PDCCH所使用的 成员载波为例进行说明， 如图 5所示， 支设原来为终端配置的成员载波 为成员载波 1 , ***中还存在另一个成员载波 2, 该过程可以包括以下 步骤：
步骤 501 : 基站实时监控终端在两个成员载波上的信道质量。
终端会在两个成员载波上的信道质量进行测量， 并将测量结果通过 信道质量标识 （CQI, Channel Quality Indication )上报给基站， CQI越 小表明信道质量越差。
步骤 502: 基站判断成员载波 1的 CQI是否小于第一质量门限值， 如果是执行步骤 503 , 否则结束流程。
在此可以设置两个质量门限值， 其中， 第一质量门限值小于或等于 第二质量门限值。成员载波 1的 CQI小于第一质量门限值说明该成员载 波 1的信道质量已经差到需要调整的地步。
步骤 503: 基站判断成员载波 2的 CQI是否大于第二质量门限值， 如果是， 执行步骤 504, 否则结束流程。
步骤 504: 基站将为终端配置的监听 PDCCH所使用的成员载波从 成员载波 1调整到成员载波 2, 并通过网络侧信令将该调整信息通知给 终端。
在此只是以两个成员载波为例子， 如果存在 2个以上的成员载波， 则可以从未配置给所述终端的成员载波中挑选出 CQI 大于第二质量门 限值的成员载波， 将终端调整到该挑选出的成员载波上。
以上是对本发明所提供的方法进行的详细描述， 下面对本发明所提 供的基站和终端进行详细描述。图 6为本发明实施例提供的基站结构图， 如图 5所示， 该基站可以包括： 载波配置单元 600和信息通知单元 610。
载波配置单元 600, 用于为终端配置监听 PDCCH所使用的成员载 波。
信息通知单元 610, 用于将载波配置单元 600配置的成员载波信息 通知给终端， 以便终端仅在该配置的成员载波上监听 PDCCH。
其中， 载波配置单元 600可以具体包括： 第一选择子单元 601和第 一配置子单元 602。
第一选择子单元 601， 用于根据终端在各成员载波上的信道质量、 终端的业务特性、 终端的传输能力以及终端是否为新接入的终端中的一 种或任意组合， 按照预设的载波配置策略选择终端能够使用的成员载 波。
该第一选择子单元 601可以根据终端在各成 载波上的信道质量， 为所述终端选择信道质量大于预设的质量阈值的成员载波； 或者， 根据 终端的业务特性， 为终端选择带宽或传输质量满足接入业务要求的成员 载波； 或者， 根据终端的传输能力， 为终端选择带宽或传输质量满足终 端传输能力的成员载波； 或者， 如果终端为新接入的终端， 则为该终端 选择负荷状况小于预设的负荷阈值的成员载波； 或者是以上情况中的任 意组合。
第一配置子单元 602, 用于在第一选择子单元 601选择的成员载波 上配置携带本成员载波的资源调度信息的 PDCCH。
载波配置单元 600还可以采用另外一种结构， 具体包括： 第二选择 子单元 603和第二配置子单元 604。
第二选择子单元 603, 用于根据终端的业务特性、 在各成员载波上 的信道质量以及 PDCCH的质量， 为终端选择能够使用的成员载波构成 成员载波集合。
具体选择的操作可以为： 根据所述终端的业务特性和在各成员载波 上的信道质量确定终端所需要的资源量； 根据终端所需要的资源量和
PDCCH的质量确定所述终端需要的 PDCCH带宽；为所述终端选择满足 所述需要的 PDCCH带宽的成员载波构成成员载波集合。
第二配置子单元 604, 用于在第二选择子单元 603选择的成员载波 上配置携带成员载波集合的资源调度信息的 PDCCH。
另外， 信息通知单元 610可以通过网络侧信令或者***广播的方式 将配置的成员载波信息通知给终端。
其中网络侧信令可以包括： 无线资源控制 RRC信令， 或者媒体接入 控制 MAC信令， 或者 PDCCH控制信令。 ***广播中可以包含各成员 载波分成各成员载波集合的分组信息以及为所述终端配置的成员载波 所在的成员载波集合标识； 或者， 网络侧和终端预先约定对各成员载波 分成各成员载波集合的分组信息， 此时， ***广播中包含为所述终端配 置的成员载波所在的成员载波集合标识。
更优地，该基站还可以包括:调整判断单元 620和载波调整单元 630。 调整判断单元 620， 用于判断载波配置单元 600为终端配置的监听 PDCCH 所使用的成员载波是否满足终端的业务需求， 如果不满足， 则 向载波调整单元 630发送调整通知。
调整判断单元 620可以具体根据为终端配置的监听 PDCCH所使用 的成员载波的信道质量、 负荷状况或终端的业务量中的一种或者任意组 合， 执行上述判断的操作。
载波调整单元 630, 用于接收到调整通知后， 将为终端配置的监听 PDCCH所使用的成员载波调整到其它满足终端业务需求的成员载波上， 并将调整信息通过网络侧信令通知给终端。 本发明所提供的终端可以包括： 信息接收单元和载波监听单元。 信息接收单元， 用于接收基站为该终端配置的监听 PDCCH所使用 的成员载波信息。
载波监听单元， 用于根据信息接收单元接收到的成员载波信息， 仅 在为该终端配置的成员载波上监听 PDCCH。
其中， 信息接收单元可以从网络侧信令或者***广播中接收基站为 该终端配置的监听 PDCCH所使用的成员载波信息。
信息接收单元还可以用于从网络侧信令中接收调整信息， 该调整信 息包含将为该终端配置的监听 PDCCH所使用的成员载波调整到其它满 足终端需求的成员载波上的信息。
载波监听单元， 还可以用于根据信息接收单元接收到的调整信息， 将在为该终端配置的成 载波上监听 PDCCH调整为在调整后的成员载 波上监听 PDCCH。
需要说明的是， 本发明所提供的方法和装置并不限制于实施例中的 LTE-A***， 也同样适用于采用载波聚合技术的其它无线通信***。
由以上描述可以看出， 本发明针对 LTE-A ***提供了一种配置 PDCCH的方法， 即为终端配置监听 PDCCH所使用的成员载波， 并将配 置的成员载波信息通知给终端， 以便该终端仅在该配置的成员载波上监 听 PDCCH。 也就是说， 通过这种方式， 终端只需要工作在必要的成员 载波上， 而不必对 LTE-A***中所有的成员载波进行监听， 从而减小了 同时监听的成员载波数量， 非连续成员载波情况下， 也减小了同一时间 开启的接收机数量， 从而减少了终端在监听 PDCCH过程中的耗电量。
以上所述仅为本发明的较佳实施例而已， 并不用以限制本发明， 凡 在本发明的精神和原则之内， 所做的任何修改、 等同替换、 改进等， 均 应包含在本发明保护的范围之内。

Claims

权利要求书
1、 一种配置下行物理控制信道 PDCCH的方法， 其特征在于， 该方 法包括：
基站为终端配置监听 PDCCH所使用的成员载波， 并将配置的成员 载波信息通知给该终端， 以便该终端仅在该配置的成员载波上监听 PDCCH。
2、根据权利要求 1所述的方法， 其特征在于， 所述基站为终端配置 监听 PDCCH所使用的成员载波具体包括：
Al、 基站按照预设的载波配置策略选择终端能够使用的成员载波； A2、 在选择的成员载波上配置携带本成员载波的资源调度信息的 PDCCH。
3、根据权利要求 2所述的方法， 其特征在于， 所述载波配置策略至 少包括以下策略中的一种或任意组合：
根据终端在各成员载波上的信道质量， 为所述终端选择信道质量大 于预设的质量阈值的成 载波； 或者，
根据终端的业务特性， 为终端选择带宽或传输质量满足接入业务要 求的成员载波； 或者，
根据终端的传输能力， 为终端选择带宽或传输质量满足终端传输能 力的成员载波； 或者，
如果终端为新接入的终端， 则为该终端选择负荷状况小于预设的负 荷阈值的成员载波。
4、根据权利要求 1所述的方法， 其特征在于， 所述基站为终端配置 监听 PDCCH所使用的成员载波具体包括：
Bl、 基站根据终端的业务特性、 在各成员载波上的信道质量以及 PDCCH的质量， 为终端选择能够使用的成员载波构成成员载波集合；
B2、 在选择的成员载波上配置携带所述成员载波集合的资源调度信 息的 PDCCH。
5、 根据权利要求 4所述的方法， 其特征在于， 所述 B1具体包括： Bll、 基站根据所述终端的业务特性和在各成员载波上的信道质量 确定终端所需要的资源量；
B12、根据终端所需要的资源量和 PDCCH的质量确定所述终端需要 的 PDCCH带宽；
B 13、为所述终端选择满足所述需要的 PDCCH带宽的成员载波构成 成员载波集合。
6、根据权利要求 1至 5任一权项所述的方法， 其特征在于， 所述将 配置的成员载波信息通知给该终端具体包括： 所述基站通过网络侧信令 或者***广播的方式将配置的成员载波信息通知给所述终端。
7、根据权利要求 6所述的方法，其特征在于，所述网络侧信令包括： 无线资源控制 RRC信令， 或者媒体接入控制 MAC信令， 或者 PDCCH 控制信令；
所述***广播中包含各成员载波分成各成员载波集合的分组信息以 及为所述终端配置的成 载波所在的成员载波集合标识； 或者， 网络侧 和终端预先约定对各成负载波分成各成员载波集合的分组信息， 所述系 统广播中包含为所述终端配置的成员载波所在的成 载波集合标识。
8、根据权利要求 1至 5任一权项所述的方法， 其特征在于， 该方法 还包括： 所述基站判断为终端配置的监听 PDCCH所使用的成员载波是 否满足终端的业务需求， 如果不满足， 则将为所述终端配置的监听 PDCCH所使用的成员载波调整到其它满足终端业务需求的成员载波上， 并通过网络侧信令将调整信息通知给所述终端。
9、根据权利要求 8所述的方法， 其特征在于， 所述基站根据为终端 配置的监听 PDCCH所使用的成员载波的信道质量、 负荷状况或所述终 端的业务量中的一种或者任意组合， 执行所述判断的步骤。
10、 根据权利要求 9所述的方法， 其特征在于， 当所述基站根据为 终端配置的监听 PDCCH所使用的成员载波的信道质量执行所述判断的 步骤时， 所述判断和调整的步骤具体包括：
所述基站判断为终端配置的监听 PDCCH所使用的成员载波的信道 质量是否小于第一质量门限值， 如果是， 则从未配置给所述终端的成员 载波中挑选信道质量大于第二质量门限值的成员载波， 并将为终端配置 的监听 PDCCH所使用的成员载波调整到挑选出的所述成员载波上； 其中， 所述第一质量门限值小于或等于第二质量门限值。
11、 一种基站， 其特征在于， 该基站包括： 载波配置单元和信息通 知单元；
所述载波配置单元， 用于为终端配置监听 PDCCH所使用的成员载 波；
所述信息通知单元， 用于将所述载波配置单元配置的成员载波信息 通知给所述终端 , 以便所述终端仅在该配置的成员载波上监听 PDCCH。
12、 根据权利要求 11所述的基站， 其特征在于， 所述载波配置单元 具体包括： 第一选择子单元和第一配置子单元；
所述第一选择子单元， 用于根据终端在各成 载波上的信道质量、 终端的业务特性、 终端的传输能力以及终端是否为新接入的终端中的一 种或任意组合， 按照预设的载波配置策略选择终端能够使用的成员载 波；
所述第一配置子单元， 用于在所述第一选择子单元选择的成员载波 上配置携带本成员载波的资源调度信息的 PDCCH。
13、 根据权利要求 11所述的基站， 其特征在于， 所述载波配置单元 包括： 第二选择子单元和第二配置子单元；
所述第二选择子单元， 用于根据终端的业务特性、 在各成员载波上 的信道质量以及 PDCCH的质量， 为终端选择能够使用的成员载波构成 成员载波集合；
所述第二配置子单元， 用于在所述第二选择子单元选择的成员载波 上配置携带所述成员载波集合的资源调度信息的 PDCCH。
14、 根据权利要求 11至 13任一权项所述的基站， 其特征在于， 所 述信息通知单元通过网络侧信令或者***广播的方式将配置的成员载 波信息通知给所述终端。
15、 根据权利要求 11至 13任一权项所述的基站， 其特征在于， 该 基站还包括： 调整判断单元和载波调整单元；
所述调整判断单元， 用于判断所述载波配置单元为终端配置的监听 PDCCH所使用的成员载波是否满足所述终端的业务需求， 如果不满足， 则向所述载波调整单元发送调整通知；
所述载波调整单元， 用于接收到所述调整通知后， 将为所述终端配 置的监听 PDCCH所使用的成员载波调整到其它满足终端业务需求的成 员载波上， 并通过网絡侧信令将调整信息通知给所述终端。
16、 一种终端， 其特征在于， 该终端包括： 信息接收单元和载波监 听单元；
所述信息接收单元， 用于接收基站为该终端配置的监听 PDCCH所 使用的成员载波信息；
所述载波监听单元， 用于根据所述信息接收单元接收到的成员载波 信息， 仅在为该终端配置的成员载波上监听 PDCCH。
17、 根据权利要求 16所述的终端， 其特征在于， 所述信息接收单元 从网络侧信令或者***广播中接收基站为该终端配置的监听 PDCCH所 使用的成员载波信息。
18、 根据权利要求 16或 17所述的终端， 其特征在于， 所述信息接 收单元还用于从网络侧信令中接收调整信息， 该调整信息包含将为该终 端配置的监听 PDCCH所使用的成员载波调整到其它满足终端需求的成 员载波上的信息；
所述载波监听单元， 还用于根据所述信息接收单元接收到的调整信 息， 在调整后的成员载波上监听 PDCCH。
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102307083A (zh) * 2011-08-12 2012-01-04 电信科学技术研究院 信道状态信息的非周期反馈及其调度方法、装置及***
CN102457352A (zh) * 2010-11-04 2012-05-16 华为技术有限公司 一种聚合载波中rf能力上报的方法、设备和***
US20120250558A1 (en) * 2009-12-22 2012-10-04 Jae Hoon Chung Method and apparatus for efficiently measuring a channel in a multi-carrier wireless communication system
US20140241265A1 (en) * 2011-07-08 2014-08-28 Interdigital Patent Holdings, Inc. Component carrier traffic mapping
TWI552538B (zh) * 2013-10-28 2016-10-01 阿爾卡特朗訊公司 基於共同的實體下行鏈路／增強型實體下行鏈路集合獲得干擾細胞之ｄｃｉ的方法及裝置
US10439786B2 (en) 2010-03-18 2019-10-08 Qualcomm Incorporated Methods of resolving PDCCH confusion in LTE

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101873577B (zh) * 2009-04-27 2017-03-22 电信科学技术研究院 通知ue变更成员载波监听的方法、***及装置
WO2011054148A1 (zh) * 2009-11-06 2011-05-12 华为技术有限公司 一种资源配置方法和装置
JP5577709B2 (ja) 2010-01-13 2014-08-27 ソニー株式会社 基地局、端末装置、通信制御方法及び無線通信システム
CN101959249B (zh) * 2010-01-30 2012-09-26 华为技术有限公司 组成载波管理方法与设备
CN102823188A (zh) 2010-02-11 2012-12-12 诺基亚西门子通信公司 分量载波的分配
CN103004253B (zh) * 2010-03-31 2016-05-25 华为技术有限公司 用于通信的方法和装置
KR101825431B1 (ko) * 2010-04-05 2018-02-05 삼성전자 주식회사 다중 케리어 통신 시스템과 그의 적응적 케리어 선택 및 링크 품질 보고 방법
CN102231913B (zh) * 2011-06-17 2015-08-19 电信科学技术研究院 一种分配和确定pdcch的方法、***及设备
US9706422B2 (en) 2012-02-03 2017-07-11 Nokia Technologies Oy Data buffer status influenced control channel monitoring
CN103024919B (zh) * 2012-12-03 2016-05-25 电信科学技术研究院 一种跨载波调度管理方法和设备
CN109728890B (zh) * 2013-06-27 2021-11-19 华为技术有限公司 载波切换方法、基站和用户设备
WO2015018080A1 (zh) * 2013-08-09 2015-02-12 华为技术有限公司 载波配置方法及基站、用户设备
CN103874212B (zh) * 2014-03-07 2017-07-14 电信科学技术研究院 一种基于载波聚合的跨载波调度方法及装置
US9560649B1 (en) * 2014-03-13 2017-01-31 Sprint Spectrum L.P. Method of allocating communication resources to a wireless device in a wireless communication network
US9609651B1 (en) * 2015-01-08 2017-03-28 Sprint Spectrum L.P. Exchanging uplink and downlink carrier frequencies
US20180145800A1 (en) * 2016-11-24 2018-05-24 Samsung Electronics Co., Ltd. Method of reducing power consumption in user equipment
EP3905773A4 (en) * 2018-12-28 2022-01-05 Beijing Xiaomi Mobile Software Co., Ltd. CARRIER CONFIGURATION PROCESS AND DEVICE
CN113300789B (zh) * 2020-02-21 2022-09-23 大唐移动通信设备有限公司 信道监听及其控制方法及装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1968066A (zh) * 2005-11-16 2007-05-23 中兴通讯股份有限公司 适用于多载波高速下行分组接入的信道配置和分配方法
CN101001422A (zh) * 2006-01-10 2007-07-18 中兴通讯股份有限公司 多载波小区移动终端搜索多条高速共享控制信道的方法
CN101047488A (zh) * 2006-03-30 2007-10-03 中兴通讯股份有限公司 基于多载波高速下行分组接入***的载波资源处理方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100433716C (zh) * 2005-08-16 2008-11-12 中兴通讯股份有限公司 一种支持多载波下行高速数据分组接入的***和方法
KR101184559B1 (ko) * 2005-08-17 2012-09-20 지티이 코포레이션 다중 캐리어 셀 고속 공유 제어 채널의 배치 및 검색 방법
CN100393173C (zh) * 2005-08-17 2008-06-04 中兴通讯股份有限公司 Td-scdma***中多载波小区配置高速下行共享信道的方法
EP1953971A4 (en) * 2005-11-16 2014-10-01 Zte Corp CHANNEL FOR ACCESS TO PACKETS OF A MULTI-CARRIER HIGH-SPEED DOWNLINK AND METHOD FOR ALLOCATING CARRIER RESOURCES

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1968066A (zh) * 2005-11-16 2007-05-23 中兴通讯股份有限公司 适用于多载波高速下行分组接入的信道配置和分配方法
CN101001422A (zh) * 2006-01-10 2007-07-18 中兴通讯股份有限公司 多载波小区移动终端搜索多条高速共享控制信道的方法
CN101047488A (zh) * 2006-03-30 2007-10-03 中兴通讯股份有限公司 基于多载波高速下行分组接入***的载波资源处理方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2391180A4 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120250558A1 (en) * 2009-12-22 2012-10-04 Jae Hoon Chung Method and apparatus for efficiently measuring a channel in a multi-carrier wireless communication system
US10439786B2 (en) 2010-03-18 2019-10-08 Qualcomm Incorporated Methods of resolving PDCCH confusion in LTE
US11108532B2 (en) 2010-03-18 2021-08-31 Qualcomm Incorporated Methods of resolving PDCCH confusion in LTE
CN102457352A (zh) * 2010-11-04 2012-05-16 华为技术有限公司 一种聚合载波中rf能力上报的方法、设备和***
CN102457352B (zh) * 2010-11-04 2014-05-07 华为技术有限公司 一种聚合载波中rf能力上报的方法、设备和***
US9844058B2 (en) 2010-11-04 2017-12-12 Huawei Technologies Co., Ltd. Method, device and system for reporting RF capability in carrier aggregation
US20140241265A1 (en) * 2011-07-08 2014-08-28 Interdigital Patent Holdings, Inc. Component carrier traffic mapping
CN102307083A (zh) * 2011-08-12 2012-01-04 电信科学技术研究院 信道状态信息的非周期反馈及其调度方法、装置及***
TWI552538B (zh) * 2013-10-28 2016-10-01 阿爾卡特朗訊公司 基於共同的實體下行鏈路／增強型實體下行鏈路集合獲得干擾細胞之ｄｃｉ的方法及裝置

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