WO2011018043A1 - 一种终端标识的使用方法、系统和设备 - Google Patents

一种终端标识的使用方法、系统和设备 Download PDF

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Publication number
WO2011018043A1
WO2011018043A1 PCT/CN2010/075944 CN2010075944W WO2011018043A1 WO 2011018043 A1 WO2011018043 A1 WO 2011018043A1 CN 2010075944 W CN2010075944 W CN 2010075944W WO 2011018043 A1 WO2011018043 A1 WO 2011018043A1
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WO
WIPO (PCT)
Prior art keywords
rnti
terminal
network side
cell
carrier
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/CN2010/075944
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English (en)
French (fr)
Inventor
赵毅
梁靖
李海涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Datang Mobile Communications Equipment Co Ltd
Original Assignee
Datang Mobile Communications Equipment Co Ltd
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 Datang Mobile Communications Equipment Co Ltd filed Critical Datang Mobile Communications Equipment Co Ltd
Priority to US13/389,802 priority Critical patent/US9742532B2/en
Priority to EP10807988.0A priority patent/EP2466979B1/en
Priority to JP2012524097A priority patent/JP6029978B2/ja
Priority to KR1020117030049A priority patent/KR101365581B1/ko
Publication of WO2011018043A1 publication Critical patent/WO2011018043A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H04L5/001Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453Resources in frequency domain, e.g. a carrier in FDMA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/26Network addressing or numbering for mobility support

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to a method, system and device for using a terminal identifier. Background technique
  • the resource scheduling information of the uplink and downlink (for example, the PRB (Physical Resource Block) information corresponding to the MCS (Modulation and Coding Scheme) is in the PDCCH (Physical Downlink Control Channel). And transmitting on the physical downlink control channel, so it is necessary to distinguish whether the scheduling information on the PDCCH is related to paging information, system information, or PDSCH (Physical Downlink Shared Channel) or scheduling information related to terminal data on the PUSCH.
  • the RNTI Radio Network Temporary Identity
  • the cell handover between the eNBs needs to be performed through the signaling on the X2 or S1 interface.
  • the process is: the source cell sends a handover request message to the target cell; the target cell returns to the source cell.
  • the handover request response message (the handover request response message includes a handover command sent by the source cell to the terminal); the source cell sends a handover command to the terminal; the terminal performs configuration according to the handover command; and after the configuration is completed, the handover completion message is sent to the target cell.
  • the handover command sent to the terminal is an RRC (Radio Resource Control) connection reconfiguration message including mobility control information.
  • the terminal sends the target to the target cell.
  • the handover complete message is the RRC Connection Reconfiguration Complete message.
  • the source cell and the target cell do not need to perform signaling interaction on the X2 or S1 interface, and other processes are similar to the foregoing process, that is, the source cell sends a handover command to the terminal; Perform configuration; after the configuration is complete, send a handover complete message to the target cell.
  • P-RNTI Paging RNTI, paging RNTI
  • SI-RNTI System Information RNTI
  • C-RNTK Cell Radio Network Temporary Identifier, corresponding to PDSCH and Terminal information on PUSCH
  • SPS C-RNTI Semi-Persistent Scheduling C-RNTI
  • TPC-PUSCH-RNTI Transmission Power Control PUSCH RNTI
  • TPC-PUCCH-RNTI correspond to power control information on PUCCH and PUSCH.
  • the Temporary C-RNTI is only a temporary terminal identity configured by the network for the terminal if the terminal does not have a C-RNTI. After the terminal enters the connection state through random access, the terminal sets the Temporary C-RNTI of the network configuration as its own C-RNTI.
  • the RA-RNTI is not the same as the others, the others are used to identify the user identity, and the RA-RNTI is used to identify the resource block used by the user to send the preamble during the random access process.
  • the RNTI corresponding to the RNTI has a C-RNTI and an SPS C-RNTI, and the C-RNTI is used to uniquely identify a terminal in an RRC connection state in the cell.
  • the terminal When the terminal detects its corresponding C-RNTI on the PDCCH, the terminal will receive or transmit data on the resource location indicated (or associated) in the DCI corresponding to the C-RNTI.
  • the usage of the SPS C-RNTI is the same as that of the C-RNTI, except that the terminal using the Semi-Persistent Scheduling scheduling method is configured with the SPS C-RNTI.
  • a terminal performs data reception or transmission with only one cell at a time.
  • Each cell configures an RNTI for the terminal in the cell, for example, C-RNTI, SPS C-RNTI, and the like.
  • the terminal receives the scheduling information on the network side by detecting the RNTI on the PDCCH.
  • the terminal using the carrier aggregation technology can communicate with multiple cells at the same time. At this time, how the terminal receives the scheduling information sent by each cell through the RNTI has not been determined.
  • Embodiments of the present invention provide a method, system, and device for using a terminal identifier, so that a terminal using a carrier aggregation technology performs data transmission and reception with each cell through an RNTI.
  • the terminal on the network side for carrier aggregation performs unified RNTI configuration in the cell in which the carrier is aggregated;
  • the network side and the terminal use the uniformly configured RNTI to perform data transmission and reception in the carrier aggregation cell.
  • the terminal for carrier aggregation performs a unified RNTI configuration in the carrier aggregation cell; and the terminal uses the uniformly configured RNTI to perform data transmission and reception in the cell in which the carrier is aggregated;
  • the terminal receives the RNTI that is uniformly configured by the network side for the terminal, and performs data transmission with the uniformly configured RNTI in the cell where the carrier aggregation is performed on the network side.
  • a configuration module configured to perform unified RNTI configuration in a carrier aggregation cell for the carrier aggregation terminal
  • a transceiver module configured to use, by using, the terminal in the cell in which the carrier is aggregated
  • the RNTI configured by the module is configured to perform data transmission and reception.
  • the transceiver module receives the RNTI that is uniformly configured by the network side for the terminal, and performs data transmission and reception with the uniformly configured RNTI in the cell in which the carrier is aggregated.
  • the network side configures the terminal identifier for the terminal that performs carrier aggregation, and the network side performs data transmission and reception with the terminal according to the configured terminal identifier, so that the terminal adopting the carrier aggregation technology performs the unified RNTI with each carrier aggregation cell.
  • Data is sent and received.
  • FIG. 2 is a flowchart of a method for using a terminal identifier according to an embodiment of the present invention
  • FIG. 3 is a flowchart of a method for using a terminal identifier according to another embodiment of the present invention
  • FIG. 4 is another embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of a network architecture of an LTE system in the prior art
  • FIG. 6 is a flowchart of a method for using a terminal identifier according to another embodiment of the present invention
  • 7 is a flowchart of a method for using a terminal identifier according to another embodiment of the present invention
  • FIG. 8 is a schematic diagram of a configuration of a UE RNTI in a cell supporting carrier aggregation according to an embodiment of the present invention
  • FIG. 9 is a network side device according to an embodiment of the present invention.
  • FIG. 10 is a terminal diagram of an embodiment of the present invention. detailed description
  • the base station configures a terminal identifier for a terminal that performs carrier aggregation; and the base station performs transmission with the terminal according to the terminal identifier.
  • An embodiment of the present invention provides a method for using a terminal identifier, as shown in FIG. 2, which specifically includes the following steps:
  • Step 201 A UE (User Equipment, or a user equipment, or a terminal) that performs carrier aggregation on the network side performs unified RNTI configuration in a cell in which the carrier is aggregated.
  • UE User Equipment, or a user equipment, or a terminal
  • Step 202 The network side and the terminal use the uniformly configured RNTI to perform data transmission and reception in the cell in which the carrier is aggregated.
  • the network side configures the terminal identifier for the terminal that performs carrier aggregation, and the network side transmits the terminal identifier according to the configured terminal identifier, so that the UE adopting the carrier aggregation technology performs data with each carrier aggregation cell through the RNTI. Send and receive.
  • the network side device includes a base station, an eNB, and other entities, but is not limited thereto. Any device capable of performing a unified RNTI configuration on a carrier aggregation cell on the network side belongs to the protection scope of the present invention.
  • a network side device is used as a base station as an example for description.
  • Another embodiment of the present invention provides a method for using a terminal identifier, which describes how a UE in a connected state uses a C-RNTI and/or an SPS C-RNTI in a carrier aggregation cell configuration process, as shown in FIG.
  • the indication includes the following steps:
  • Step 301 The network side terminal sends an RRC connection reconfiguration message, where the message carries the frequency point information or the frequency point information index of the carrier aggregation cell, and is used to configure a carrier aggregation cell for the UE.
  • Step 302 After receiving the RRC connection reconfiguration message for configuring the carrier aggregation cell, the terminal uses the configured C-RNTI to perform data transmission and reception with the network side on the cell where all carriers are aggregated.
  • the base station configures the terminal identifier for the terminal that performs carrier aggregation, and the base station transmits the terminal identifier according to the configured terminal identifier, so that carrier aggregation is adopted.
  • the UE of the technology performs data transmission and reception with each cell through the RNTI.
  • the carrier aggregation system may further include an activation process of the carrier aggregation cell, that is, after the configuration process is completed, the terminal may not be able to perform data transmission and reception with the carrier aggregation cell on the network side, only in carrier aggregation. After the cell is activated, the terminal can perform data transmission and reception with the activated carrier aggregation cell.
  • the network side activates the carrier aggregation cell for the terminal, and may adopt RRC signaling, or may use signaling of other protocol layers such as MAC CE.
  • the terminal uses the configured C-RNTI to perform data transmission and reception with the network side on the cell where all carriers are aggregated.
  • the usage of the SPS C-RNTI is the same as that of the C-RNTI, except that the UE using the semi-persistent scheduling scheduling mode is configured with the SPS C-RNTL.
  • the base station configures the terminal identifier for the terminal of the carrier aggregation, and the base station transmits the terminal according to the configured terminal identifier, so that the UE adopting the carrier aggregation technology performs data transmission and reception with each cell through the RNTI.
  • Another embodiment of the present invention provides a method for using a terminal identifier, which describes a process in which a UE in a connected state uses a contention-based random access to access a cell aggregated by another carrier.
  • a terminal identifier describes a process in which a UE in a connected state uses a contention-based random access to access a cell aggregated by another carrier.
  • the following is an example of a cell that is simultaneously connected to multiple other carrier aggregations. As shown in FIG. 4, the following steps are specifically included:
  • Step 401 The UE in the RRC connection state has configured the initial C-RNTI, and sends a random access preamble sequence preamble to the cells aggregated by multiple carriers.
  • Step 402 The cells that are aggregated by multiple carriers respectively send a response message of the random access preamble to the UE.
  • the cell that is aggregated by each carrier sends a response message of the random access preamble sequence to the UE, and the message includes: configuration information of the uplink resource, timing adjustment information, a random access preamble sequence identification number, and a Temporary C configured by the UE for each carrier aggregation. -RNTI, etc.
  • the base station configures different Temporary C-RNTIs for UEs that perform random access in a plurality of cells that can perform carrier aggregation.
  • the Temporary C-RNTI configured in each cell is different from the configured RNTI in the current system.
  • Step 403 The UE detects, on the PDCCH of the cell aggregated by each carrier, the RA-RNTL corresponding to the resource block used when transmitting the preamble.
  • Step 404 When the RA-RNTI is detected, the UE performs configuration according to the content of the random access response message corresponding to the RA-RNTI.
  • Step 405 The UE sends the Msg 3 on the uplink resource location indicated by the random access response message.
  • the Msg 3 carries a C-RNTI MAC control unit, which is used to inform the network UE of the identity for contention resolution.
  • Step 406 The base station sends a response to the Msg3 message to the UE by using the C-RNTI - the contention resolution message.
  • Step 407 The UE determines whether the random access in the cell aggregated by each carrier is successful by monitoring whether the PDCCH has a message corresponding to the C-RNTI. After the random access succeeds, the cell aggregated by each carrier is discarded.
  • the C-RNTI uses the configured C-RNTI for data transmission and reception in all cells in which the carriers are aggregated.
  • the base station configures the terminal identifier for the terminal of the carrier aggregation, and the base station transmits the terminal according to the configured terminal identifier, so that the UE adopting the carrier aggregation technology performs data transmission and reception with each cell through the RNTI.
  • the network architecture of the LTE system is shown in Figure 5.
  • the network side entity of the LTE system is composed of an MME (Mobile Management Entity), an S-GW (Serving Gateway), and an eNB.
  • the interface between the eNB and the eNB is an X2 interface
  • the interface between the MME/S-GW and the eNB is an S1 interface.
  • the X2 interface can be used to complete the switching process.
  • the S1 interface can be used.
  • Another embodiment of the present invention provides a method for using a terminal identifier, which describes a process in which a source eNB and a target eNB complete a handover through an X2 interface. As shown in FIG. 6, the method includes the following steps:
  • Step 601 The source eNB determines, according to the measurement report reported by the UE and the RRM (Radio Resource Management) information, that the UE needs to perform handover.
  • RRM Radio Resource Management
  • Step 602 The source eNB sends a handover request message to the target eNB.
  • the source eNB sends a handover request message to the target eNB, where the handover request information carries information necessary for the UE to prepare for handover to the target eNB, for example, context information of the UE in the source eNB, target cell ID, and the like.
  • Step 603 The target eNB sends a handover request response message to the source eNB.
  • the target cell When the resource used by the handover UE is approved by the target eNB, the target cell will be the
  • the UE configures a corresponding resource and sends a handover request response message to the source eNB.
  • the handover request response message includes parameter information required for the UE to switch to the target eNB, for example, the RNTI configured by the target eNB for the UE, the system information of the target eNB, and the preamble information of the UE when the target eNB performs random access.
  • the UE uses the same C-RNTI, SPS C-RNTI, and TPC-PUSCH-RNTI and TPC-PUCCH-RNTI for transmission power control in all carrier aggregation cells. . Therefore, the handover request response message includes frequency information or frequency point information index of the C-RNTI, the SPS C-RNTI, the TPC-PUSCH-RNTI, and the TPC-PUCCH-RNTI and the carrier aggregation cell configured by the target eNB for the UE.
  • TPC-RNTI SPS C-RNTI
  • SPS C-RNTI SPS C-RNTI
  • the carrier aggregation cells use the same TPC-PUSCH-RNTI and TPC-PUCCH-RNTI, then only one TPC-PUSCH-RNTI and TPC-PUCCH-RNTI are carried; if the carrier aggregation cells use different TPC-PUSCH-RNTI and The TPC-PUCCH-RNTI needs to carry the TPC-PUSCH-RNTI and the TPC-PUCCH-RNTI corresponding to each carrier aggregation cell.
  • the handover request response message includes the SPS C-RNTI, the TPC-PUSCH-RNTI, and the TPC-PUCCH-RNTI may be determined as the case may be.
  • Step 604 The source eNB sends a handover command to the UE.
  • the source eNB After receiving the handover request response message sent by the target eNB, the source eNB sends a handover command to the UE to instruct the UE to perform handover to the target eNB.
  • the handover command sent by the source eNB to the UE is included in the handover request response message sent by the target eNB to the source eNB.
  • the switching command includes parameter information required when the UE switches to the target eNB in step 603.
  • Step 605 After receiving the handover command, the UE performs synchronization with the target eNB.
  • Step 606 After the UE successfully accesses the target cell, the UE sends a handover complete message, and indicates to the target eNB that the handover process of the UE is completed.
  • the handover process through the S1 interface is similar to the handover process through the X2 interface, except that the transmission between the source eNB and the target eNB needs to pass through the MME, and details are not described herein.
  • the base station configures the terminal identifier for the terminal of the carrier aggregation, and the base station transmits the terminal according to the configured terminal identifier, so that the UE adopting the carrier aggregation technology performs data transmission and reception with each cell through the RNTI.
  • FIG. 7 Another embodiment of the present invention provides a method for using a terminal identifier, as shown in FIG. 7, which specifically includes the following steps:
  • Step 701 The UE monitors the PDCCH on the carrier where the PDCCH is present, and uses the same C-RNTI and SPS C-RNTI to receive the scheduling information.
  • FIG. 8 a schematic diagram of a UE RNTI configuration in a cell supporting carrier aggregation is shown.
  • each UE uses the same C-RNTI and SPS C-RNTI in the cell corresponding to the aggregated carrier.
  • UE2 has a C-RNTI of 0011 in both cell 2 and cell 3 of its carrier aggregation, SPS C- The RNTI is both 0019.
  • Step 702 The UE performs data reception or transmission on the corresponding time-frequency resource according to the scheduling information carried in the DCI corresponding to the C-RNTI.
  • the base station configures the terminal identifier for the terminal of the carrier aggregation, and the base station performs transmission with the terminal according to the configured terminal identifier, so that the UE adopting the carrier aggregation technology performs data transmission and reception with each cell through the RNTI.
  • An embodiment of the present invention provides a system for using a UE identifier, including:
  • the carrier aggregation UE performs unified RNTI configuration in the carrier aggregation cell; and the UE uses the uniformly configured RNTI for data transmission and reception in the carrier aggregation cell.
  • the UE receives the RNTI that is uniformly configured by the UE on the network side; and uses the uniformly configured RNTI to perform data transmission and reception with the network side in the carrier aggregation cell.
  • the embodiment of the present invention provides a network side device 90, as shown in FIG. 9, including: a configuration module 91, configured to perform unified RNTI configuration for a carrier aggregation UE in a carrier aggregation cell;
  • the transceiver module 92 is configured to perform data transmission and reception with the RNTI configured by the configuration module 91 in the carrier aggregation cell.
  • the unified RNTI configuration includes:
  • RNTI resources are shared between cells of carrier aggregation.
  • Configuration module 91 is used to:
  • the C-RNTI is configured for the UE in the cell where the network side is carrier aggregation; and/or SPS C-RNTI; and/or TPC-PUSCH-RNTI; and/or TPC-PUCCH-RNTI.
  • the network side configures the same C-RNTI for the UE in the different carrier aggregation cells, and the configured C-RNTI is different from the configured RNTI on the network side; and/or the network side configures the same for the UE in different cell aggregation cells.
  • the SPS C-RNTI is configured differently from the configured RNTI on the network side.
  • the network side configures the same or different TPC-PUSCH-RNTI for the UE in the different carrier aggregation cells, and the configured TPC-PUSCH-RNTI is different from the configured RNTI on the network side; and/or the network side is aggregated on different carriers.
  • the same or different TPC-PUCCH-RNTI is configured for the UE in the cell, and the configured TPC-PUCCH-RNTI is different from the configured RNTI on the network side.
  • the configuration module 91 is further configured to: A different Temporary C-RNTI is configured for the UE that performs the random access in the cell in which the carrier is aggregated.
  • the configured Temporary C-RNTI is different from the configured RNTI on the network side.
  • the transceiver module 92 is used to:
  • the network side uses the same C-RNTI and/or SPS C-RNTI to perform data transmission and reception with the UE in different carrier aggregation cells.
  • the transceiver module 92 is also used to:
  • the network side transmits power control information for the UE using the configured TPC-PUSCH-RNTI and TPC-PUCCH-RNTI in all the cells in which the carriers are aggregated.
  • the network side no longer configures a new C-RNTI and/or SPS C-RNTI for the UE when configuring the carrier aggregation; and/or the network side no longer configures the new C-RNTI and/or the UE for the new C-RNTI and/or when configuring and activating the carrier aggregation.
  • SPS C-RNTI SPS C-RNTI
  • the UE and the network side use the configured C-RNTI and/or SPS C-RNTI for data transmission and/or reception in all carrier-aggregated cells.
  • the method includes: the network side target node sends the handover request response message to the network side source node, where the network side target node is configured by the UE for the RNTI and the other area of the carrier aggregation.
  • Frequency point information or frequency point information index is configured by the UE for the RNTI and the other area of the carrier aggregation.
  • the handover command message sent by the network side source node to the UE includes the RNTI configured by the network side target node for the UE and the frequency point information or frequency point information index of other cells of the carrier aggregation.
  • the RNTI configured by the network side target node for the UE includes:
  • the network side target node configures the UE with a unique C-RNTI and/or SPS C-RNTI.
  • the method includes:
  • the UE performs random access to the cell that is aggregated by the carrier. After the contention is resolved, the UE uses the C-RNTI configured by the UE to perform data reception/transmission, and discards the Temporary C-RNTI of the cell configuration of the carrier aggregation.
  • An embodiment of the present invention provides a UE 100, as shown in FIG. 10, including:
  • the transceiver module 101 receives the RNTI that is uniformly configured by the UE on the network side, and performs data transmission and reception using the uniformly configured RNTI in the cell in which the carrier is aggregated on the network side.
  • the UE monitors the PDCCH on the carrier of the PDCCH in the carrier aggregation cell, and uses the same C-RNTI and/or SPS C-RNTI to receive the scheduling information.
  • the UE monitors the PDCCH on the carrier of the PDCCH in the carrier aggregation cell, and receives the transmission power control information by using the configured TPC-PUSCH-RNTI and/or TPC-PUCCH-RNTI.
  • the network side configures the terminal identifier for the terminal of the carrier aggregation, and the network side transmits the terminal identifier according to the configured terminal identifier, so that the UE adopting the carrier aggregation technology performs data transmission and reception with each cell through the RNTI.
  • the network side configures the terminal identifier for the terminal of the carrier aggregation, and the network side transmits the terminal identifier according to the configured terminal identifier, so that the UE adopting the carrier aggregation technology performs data transmission and reception with each cell through the RNTI.
  • the usage manner of the RNTI is taken as an example, but those skilled in the art should be able to understand that in other systems or standards, the RNTI in the embodiment of the present invention is the same or The identification of similar functions or functions is also intended to be within the scope of the invention.
  • the present invention can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is a better implementation. the way.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium, including a plurality of instructions for making a A terminal device (which may be a cell phone, a personal computer, a server, or a network device, etc.) performs the methods described in various embodiments of the present invention.

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Abstract

本发明的实施例公开了一种终端标识的使用方法、系统和设备,该方法包括:网络侧为载波聚合的终端在载波聚合的小区中进行统一的RNTI配置; 所述网络侧与所述终端在所述载波聚合的小区中使用所述统一配置的RNTI进行数据收发。通过本发明,实现了采用载波聚合技术的终端通过RNTI来与各个小区进行数据的收发。

Description

一种终端标识的使用方法、 系统和设备 本申请要求以下中国专利申请的优先权:
于 2009年 8月 14日提交中国专利局,申请号为 200910091263.7 , 发明名称为 "一种终端标识的使用方法、 系统和设备" 的中国专利申 请, 其全部内容通过引用结合在本申请中。 技术领域
本发明涉及无线通信技术领域,特别是涉及一种终端标识的使用 方法、 系统和设备。 背景技术
LTE系统中,上下行链路的资源调度信息(例如: MCS( Modulation and Coding Scheme,调制编码方案)所对应的 PRB ( Physical Resource Block,物理资源块)信息等)都在 PDCCH ( Physical Downlink Control Channel, 物理下行控制信道)上发送, 所以需要在 PDCCH上区分这 些调度信息是关于寻呼信息、 系统信息, 还是 PDSCH ( Physical Downlink Shared Channel, 物理下行共享信道)或 PUSCH上与终端 数据相关的调度信息, 如图 1所示。 当前采用为不同的调度信息配置 不同的 RNTI ( Radio Network Temporary Identity,无线网络临时标识) 的方式来指示, 包含在终端进行随机接入、 小区切换、 正常数据收发 以及进行载波聚合等过程中。 其中, eNB ( (Evolved Node-B , 演进型 基站) 间的小区切换需要通过 X2或 S1接口上的信令进行交互, 流 程为: 源小区向目标小区发送切换请求消息; 目标小区向源小区返回 切换请求响应消息(切换请求响应消息中包含了源小区向终端发送的 切换命令); 源小区向终端发送切换命令; 终端根据切换命令进行配 置; 配置完成后向目标小区发送切换完成消息。 源小区向终端发送的 切换命令即为包含了移动性控制信息的 RRC ( Radio Resource Control, 无线资源控制协议)连接重配置消息。 终端向目标小区发送 的切换完成消息即为 RRC连接重配置完成消息。 在 LTE系统中, 终 端在同一个 eNB 下的小区内移动时, 也需要进行小区间切换。 与上 述 eNB间的小区切换不同的是,源小区和目标小区不需要进行 X2或 S1 接口上的信令交互, 其他过程与上述过程类似, 即: 源小区向终 端发送切换命令; 终端根据切换命令进行配置; 配置完成后向目标小 区发送切换完成消息。
一般来讲, 终端接收时, 首先检测 PDCCH上是否存在需要接收 的 RNTI , 如果存在, 则根据所对应的 DCI ( Downlink Control Information,下行链路控制信息)的指示接收相应的数据内容。 P-RNTI ( Paging RNTI , 寻呼 RNTI ) 对应寻呼信息; SI-RNTI ( System Information RNTI,系统信息 RNTI )对应系统信息; C-RNTK Cell Radio Network Temporary Identifier, 小区无线网络临时标识)对应 PDSCH 和 PUSCH上的终端信息; SPS C-RNTI ( Semi-Persistent Scheduling C-RNTI , 半持续调度 C-RNTI ) 对应终端的半持续调度信息; TPC-PUSCH-RNTI ( Transmission Power Control PUSCH RNTI, 传输 功率控制 PUSCH-RNTI ) 和 TPC-PUCCH-RNTI 对应 PUCCH 和 PUSCH上的功率控制信息。 而 Temporary C-RNTI仅仅是在终端没有 C-RNTI的情况下, 网络为终端配置的一个临时终端身份标识。 当终 端通过随机接入进入连接状态后, 终端将网络配置的 Temporary C-RNTI设为自己的 C-RNTI。 RA-RNTI和其他的不太一样, 其他的 都是用来标示用户身份的, 而 RA-RNTI是来标识用户在随机接入过 程中发送 preamble时所使用的资源块。其中上述 RNTI与单个终端对 应的 RNTI有 C-RNTI和 SPS C-RNTI,其中 C-RNTI用于在小区中唯 一标识一个处于 RRC连接状态的终端。 当终端在 PDCCH上检测到 它对应的 C-RNTI时,终端将在 C-RNTI对应的 DCI中指示(或关联 ) 的资源位置上接收或发送数据。 SPS C-RNTI的用法和 C-RNTI是一 样的, 只是使用 Semi-Persistent Scheduling这种调度方式的终端才被 配置 SPS C-RNTI。
在实现本发明的过程中, 发明人发现现有技术至少存在如下问 题:
LTE系统中, 终端同一时刻只与一个小区进行数据接收或发送。 每个小区为该小区中终端配置 RNTI, 例如: C-RNTI、 SPS C-RNTI 等。 终端通过检测 PDCCH上的 RNTI来接收网络侧的调度信息。 在 LTE-A系统, 当存在多个可进行载波聚合的小区时, 采用载波聚合技 术的终端可以同时与多个小区进行通信, 此时终端如何通过 RNTI来 接收各小区发送的调度信息尚未确定。 发明内容
本发明的实施例提供一种终端标识的使用方法、 系统和设备, 从 而使采用载波聚合技术的终端通过 RNTI来与各个小区进行数据的收 发。
本发明实施例提供的终端标识的使用方法, 包括:
网络侧为载波聚合的终端在载波聚合的小区中进行统一的 RNTI 配置;
所述网络侧与所述终端在所述载波聚合的小区中使用所述统一 配置的 RNTI进行数据收发。
本发明实施例提供的终端标识的使用系统, 包括:
网络侧, 为载波聚合的终端在载波聚合的小区中进行统一的 RNTI配置; 与所述终端在所述载波聚合的小区中使用所述统一配置 的 RNTI进行数据收发;
终端, 接收所述网络侧为所述终端统一配置的 RNTI; 与所述网 络侧在所述载波聚合的小区中使用所述统一配置的 RNTI进行数据收 发。
本发明实施例提供的网络侧设备, 包括:
配置模块,用于为载波聚合的终端在载波聚合的小区中进行统一 的 RNTI配置;
收发模块,用于与所述终端在所述载波聚合的小区中使用所述配 置模块统一配置的所述 RNTI进行数据收发。
本发明实施例提供的终端, 包括:
收发模块, 接收所述网络侧为所述终端统一配置的 RNTI; 与所 述网络侧在所述载波聚合的小区中使用所述统一配置的 RNTI进行数 据收发。
本发明的实施例网络侧为进行载波聚合的终端配置终端标识,以 及网络侧根据配置的终端标识与终端进行数据收发,从而使采用载波 聚合技术的终端通过统一的 RNTI来与各载波聚合小区进行数据的收 发。 当然, 实施本发明的实施例的任一产品并不一定需要同时包含以 上所述的所有特征。 附图说明
图 1为现有技术中物理层信道结构指示;
图 2为本发明的一个实施例中一种终端标识的使用方法流程图; 图 3为本发明的另一实施例中一种终端标识的使用方法流程图; 图 4为本发明的另一实施例中一种终端标识的使用方法流程图; 图 5为现有技术中 LTE系统的网络架构的结构示意图; 图 6为本发明的另一实施例中一种终端标识的使用方法流程图; 图 7为本发明的另一实施例中一种终端标识的使用方法流程图; 图 8为本发明实施例中支持载波聚合的小区中 UE RNTI配置示 意图;
图 9为本发明实施例中一种网络侧设备;
图 10为本发明实施例中一种终端。 具体实施方式
为解决现有技术存在的上述问题, 本发明的实施例中, 基站为进 行载波聚合的终端配置终端标识;所述基站根据所述终端标识与所述 终端进行传输。 下面将结合本发明中的附图, 对本发明中的技术方案进行清楚、 完整的描述, 显然, 所描述的实施例是本发明的一部分实施例, 而不 是全部的实施例。基于本发明中的实施例, 本领域普通技术人员在没 有做出创造性劳动的前提下所获得的所有其他实施例,都属于本发明 保护的范围。
本发明的一个实施例提供了一种终端标识的使用方法,如图 2所 示, 具体包括以下步骤:
步骤 201、 网络侧为载波聚合的 UE ( User Equipment,用户设备, 或称终端 )在载波聚合的小区中进行统一的 RNTI配置;
步骤 202、 所述网络侧与所述终端在所述载波聚合的小区中使用 所述统一配置的 RNTI进行数据收发。
本发明的实施例中, 网络侧为进行载波聚合的终端配置终端标 识, 以及网络侧根据配置的终端标识与终端进行传输, 从而使采用载 波聚合技术的 UE通过 RNTI来与各载波聚合小区进行数据的收发。
网络侧设备包括基站、 eNB以及其他实体, 但不限于此, 凡是能 够在网络侧对载波聚合小区进行统一的 RNTI配置的设备均属于本发 明的保护范围。 本发明实施例中以网络侧设备为基站为例进行说明。
以下结合具体应用场景, 对本发明实施例进行进一步的阐述。 本发明的另一实施例提供了一种终端标识的使用方法,该方法描 述了连接状态的 UE在载波聚合小区的配置过程中如何使用 C-RNTI 和 /或 SPS C-RNTI, 如图 3所示, 具体包括以下步骤:
步骤 301、 网络侧向终端发送 RRC连接重配置消息, 该消息中 携带载波聚合小区的频点信息或频点信息索引, 用于为 UE配置载波 聚合小区。
步骤 302、 终端在收到用于配置载波聚合小区的 RRC连接重配 置消息后, 采用已配置的 C-RNTI在所有载波聚合的小区上与网络侧 进行数据收发。
本发明的实施例中, 基站为进行载波聚合的终端配置终端标识, 以及基站根据配置的终端标识与终端进行传输,从而使采用载波聚合 技术的 UE通过 RNTI来与各个小区进行数据的收发。 需要进一步指 出的是, 在载波聚合系统中可以进一步包括载波聚合小区的激活过 程, 即: 在完成上述配置过程后, 终端不一定能够与网络侧的载波聚 合小区进行数据的收发, 只有在载波聚合小区被激活后, 终端才能与 被激活的载波聚合小区进行数据收发。网络侧为终端激活载波聚合小 区可以采用 RRC信令, 也可以采用 MAC CE等其他协议层的信令。 当存在载波聚合的激活过程时,终端在收到网络侧的载波聚合小区激 活信令后, 采用已配置的 C-RNTI在所有载波聚合的小区上与网络侧 进行数据收发。
需要说明的是, SPS C-RNTI的用法和 C-RNTI是一样的, 只是 使用 semi-persistent scheduling 这种调度方式的 UE 才被配置 SPS C-RNTL
本发明的实施例中,基站为载波聚合的终端配置终端标识, 以及 基站根据配置的终端标识与终端进行传输,从而使采用载波聚合技术 的 UE通过 RNTI来与各个小区进行数据的收发。
本发明的另一实施例提供了一种终端标识的使用方法,该方法描 述了连接状态的 UE采用基于竟争的随机接入, 从而接入到其他载波 聚合的小区的过程。以下以同时接入到多个其他载波聚合的小区为例 进行说明, 如图 4所示, 具体包括以下步骤:
步骤 401、 处于 RRC连接状态的 UE, 其已配置初始的 C-RNTI, 向多个载波聚合的小区发送随机接入前导序列 preamble。
步骤 402、 多个载波聚合的小区分别向 UE发送随机接入前导序 列的响应消息。
各载波聚合的小区向 UE发送随机接入前导序列的响应消息, 该 消息包括: 上行资源的配置信息、 定时调整信息、 随机接入前导序列 识别号、 各载波聚合的小区为 UE配置的 Temporary C-RNTI等。
需要说明的是,基站为在多个可以进行载波聚合的小区中同时进 行随机接入的 UE 配置不同的 Temporary C-RNTI; 各小区配置的 Temporary C-RNTI与当前系统已配置的 RNTI不同。 步骤 403、 UE 在各载波聚合的小区的 PDCCH 上检测发送 preamble时使用的资源块对应的 RA-RNTL
步骤 404、 当 RA-RNTI被检测到时, UE根据 RA-RNTI对应的 随机接入响应消息的内容进行配置。
步骤 405、 UE在随机接入响应消息指示的上行资源位置上发送 Msg 3。 Msg 3中携带 C-RNTI MAC控制单元, 用于告知网络 UE的 身份以进行竟争解决。
步骤 406、 基站采用 C-RNTI向 UE发送 Msg3消息的响应 -竟争 解决消息。
步骤 407、 UE通过监听 PDCCH是否存在其 C-RNTI对应的消息 判断在各载波聚合的小区中的随机接入是否成功, 在随机接入成功 后, 丟弃各载波聚合的小区为其配置的 Temporary C-RNTI, 以后在 所有载波聚合的小区中都使用已配置 C-RNTI进行数据收发。
本发明的实施例中,基站为载波聚合的终端配置终端标识, 以及 基站根据配置的终端标识与终端进行传输,从而使采用载波聚合技术 的 UE通过 RNTI来与各个小区进行数据的收发。
LTE系统的网络架构如图 5所示。 LTE系统网络侧实体由 MME ( Mobile Management Entity , 移动管理实体) /S-GW ( Serving Gateway, 服务网关 )、 eNB组成。 eNB和 eNB间的接口为 X2接口, MME/S-GW与 eNB间的接口为 S1接口。 LTE网络中, 当 UE从一个 eNB移动到另一个 eNB时, 为了使正在发生的业务不中断, 需要进 行切换。 如果 eNB间存在 X2连接, 那么可以通过 X2接口来完成切 换过程; 如果 eNB间没有 X2接口, 可以通过 S1接口来完成。
本发明的另一实施例提供了一种终端标识的使用方法,该方法描 述了源 eNB与目标 eNB通过 X2接口来完成切换的过程, 如图 6所 示, 具体包括以下步骤:
步骤 601、 源 eNB 基于 UE 上报的测量报告和 RRM ( Radio Resource Management , 无线资源管理)信息判断 UE需要进行切换。
步骤 602、 源 eNB向目标 eNB发送切换请求消息。 源 eNB向目标 eNB发送切换请求消息, 该切换请求信息中携带 UE向目标 eNB进行切换准备所必需的信息, 例如: UE在源 eNB中 的 context信息, 目标 cell ID等。
步骤 603、 目标 eNB向源 eNB发送切换请求响应消息。
当切换 UE所使用的资源在目标 eNB被批准时,目标小区将为该
UE配置相应的资源, 并向源 eNB发送切换请求响应消息。 切换请求 响应消息包含 UE向目标 eNB切换时所需的参数信息, 例如: 目标 eNB为 UE配置的 RNTI, 目标 eNB的系统信息, UE在目标 eNB 进行随机接入时的 preamble信息等。
此时, 如果目标 eNB为 UE配置载波聚合的小区, 由于 UE在所 有载波聚合小区使用相同的 C-RNTI、 SPS C-RNTI , 以及使用 TPC-PUSCH-RNTI和 TPC-PUCCH-RNTI进行传输功率控制。 因此, 该切换请求响应消息包括目标 eNB 为 UE 配置的 C-RNTI、 SPS C-RNTI、 TPC-PUSCH-RNTI和 TPC-PUCCH-RNTI和载波聚合小区 的频点信息或频点信息索引。 由于 UE在所有载波聚合小区使用相同 的 C-RNTI、 SPS C-RNTI ( TPC-RNTI )进行数据收发, 因此只用携 带一个 C-RNTI (和 SPS C-RNTI )。 由于在不同载波聚合小区可以使 用 相 同 的 也 可 以 使 用 各 自 的 TPC-PUSCH-RNTI 和 TPC-PUCCH-RNTI , 因 此 携 带 TPC-PUSCH-RNTI 和 TPC-PUCCH-RNTI 的数目将视具体情况而定。 如果载波聚合小区都 使用相同 TPC-PUSCH-RNTI和 TPC-PUCCH-RNTI,那么只需携带一 个 TPC-PUSCH-RNTI和 TPC-PUCCH-RNTI;如果载波聚合小区都使 用不同的 TPC-PUSCH-RNTI和 TPC-PUCCH-RNTI,那么需要携带各 载波聚合小区对应的 TPC-PUSCH-RNTI和 TPC-PUCCH-RNTI。在切 换请求响应消息是否包含 SPS C-RNTI、 TPC-PUSCH-RNTI 和 TPC-PUCCH-RNTI可以视具体情况而定。 如目标 eNB不为 UE配置 半持续资源, 那么将不携带 SPS C-RNTI。 TPC-PUSCH-RNTI 和 TPC-PUCCH-RNTI还可以在 UE进入切换目标小区后, 通过专用信 令发送。 步骤 604、 源 eNB向 UE发送切换命令。
源 eNB在收到目标 eNB发送的切换请求响应消息后, 向 UE发 送切换命令, 指示 UE向目标 eNB进行切换。 源 eNB向 UE发送的 切换命令包含在目标 eNB向源 eNB发送的切换请求响应消息中。 切 换命令中包含步骤 603中所述 UE向目标 eNB切换时所需的参数信 息。
步骤 605、 UE收到切换命令以后, 执行与目标 eNB的同步。 步骤 606、 当 UE成功接入目标小区后, UE发送切换完成消息, 向目标 eNB指示 UE的切换流程完成。
需要说明的是, 通过 S1接口的切换过程与通过 X2接口的切换 过程类似, 只是源 eNB与目标 eNB之间的传输需要通过 MME, 此 处不再赘述。
本发明的实施例中,基站为载波聚合的终端配置终端标识, 以及 基站根据配置的终端标识与终端进行传输,从而采用载波聚合技术的 UE通过 RNTI来与各个小区进行数据的收发。
本发明的另一实施例提供了一种终端标识的使用方法,如图 7所 示, 具体包括以下步骤:
步骤 701、 UE在各可以载波聚合的小区中,存在 PDCCH的载波 上监听 PDCCH, 并使用相同的 C-RNTI、 SPS C-RNTI来接收调度信 息。
如图 8所示, 为支持载波聚合的小区中 UE RNTI配置示意图。 由图可知,各 UE在聚合的载波对应的小区中都使用相同的 C-RNTI、 SPS C-RNTI, 例如 UE2在它载波聚合的小区 2和小区 3中 C-RNTI 都为 0011 , SPS C-RNTI都为 0019。
步骤 702、 UE根据 C-RNTI对应 DCI中携带的调度信息在对应 时频资源上进行数据的接收或发送。
本发明的实施例中,基站为载波聚合的终端配置终端标识, 以及 基站根据配置的终端标识与终端进行传输,从而采用载波聚合技术的 UE通过 RNTI来与各个小区进行数据的收发。 本发明实施例提供一种 UE标识的使用系统, 包括:
网络侧,为载波聚合的 UE在载波聚合的小区中进行统一的 RNTI 配置; 与 UE在载波聚合的小区中使用统一配置的 RNTI进行数据收 发。
UE, 接收网络侧为 UE统一配置的 RNTI; 与网络侧在载波聚合 的小区中使用统一配置的 RNTI进行数据收发。
本发明实施例提供一种网络侧设备 90, 如图 9所示, 包括: 配置模块 91 ,用于为载波聚合的 UE在载波聚合的小区中进行统 一的 RNTI配置;
收发模块 92, 用于与 UE在载波聚合的小区中使用配置模块 91 统一配置的 RNTI进行数据收发。
进行统一的 RNTI配置包括:
载波聚合的小区间共享 RNTI资源。
配置模块 91用于:
网络侧为载波聚合的小区中为 UE统一配置 C-RNTI; 和 /或 SPS C-RNTI; 和 /或 TPC-PUSCH-RNTI; 和 /或 TPC-PUCCH-RNTI。
包括:
网络侧在不同的载波聚合的小区中为 UE配置相同的 C-RNTI, 配置的 C-RNTI与网络侧已配置的 RNTI不同;和 /或网络侧在不同的 载波聚合的小区中为 UE 配置相同的 SPS C-RNTI , 配置的 SPS C-RNTI与网络侧已配置的 RNTI不同。
包括:
网络侧在不同的载波聚合的小区中为 UE 配置相同或不同的 TPC-PUSCH-RNTI, 配置的 TPC-PUSCH-RNTI 与网络侧已配置的 RNTI不同; 和 /或网络侧在不同的载波聚合的小区中为 UE配置相同 或不同的 TPC-PUCCH-RNTI,配置的 TPC-PUCCH-RNTI与网络侧已 配置的 RNTI不同。
当多个载波聚合的小区中同时存在随机接入时, 配置模块 91还 用于: 在每个载波聚合的小区中为同时进行随机接入的 UE配置不同的 Temporary C-RNTI; 配置的 Temporary C-RNTI 与网络侧已配置的 RNTI不同。
收发模块 92用于:
网络侧在不同的载波聚合的小区中使用相同的 C-RNTI和 /或 SPS C-RNTI与 UE进行数据收发。
收发模块 92还用于:
网络侧在所有载波聚合的小区中使用配置的 TPC-PUSCH-RNTI 和 TPC-PUCCH-RNTI为 UE发送功率控制信息。
包括:
网络侧在配置载波聚合时不再为 UE配置新的 C-RNTI和 /或 SPS C-RNTI; 和 /或网络侧在配置和激活载波聚合时不再为 UE配置新的 C-RNTI和 /或 SPS C-RNTI;
UE和网络侧使用已配置的 C-RNTI和 /或 SPS C-RNTI在所有载 波聚合的小区中进行数据发送和 /或接收。
当 UE从网络侧源节点向网络侧目标节点切换时, 包括: 网络侧目标节点向网络侧源节点发送的切换请求响应消息中包 括网络侧目标节点为 UE配置的 RNTI和载波聚合的其他小区的频点 信息或频点信息索引;
网络侧源节点向 UE发送的切换命令消息中包括网络侧目标节点 为 UE配置的 RNTI和载波聚合的其他小区的频点信息或频点信息索 引。
网络侧目标节点为 UE配置的 RNTI包括:
网络侧目标节点为 UE配置唯一的 C-RNTI和 /或 SPS C-RNTI。 当 UE处于 RRC连接状态时, 包括:
UE 向载波聚合的小区进行随机接入, 当竟争解决后, UE使用 UE已配置 C-RNTI进行数据接收 /发送, 丟弃载波聚合的小区配置的 Temporary C-RNTI„
本发明实施例提供一种 UE 100, 如图 10所示, 包括: 收发模块 101 ,接收网络侧为 UE统一配置的 RNTI; 与网络侧在 载波聚合的小区中使用统一配置的 RNTI进行数据收发。
包括:
UE在载波聚合的小区中,存在 PDCCH的载波上,监听 PDCCH; 使用相同的 C-RNTI和 /或 SPS C-RNTI来接收调度信息。
包括:
UE在载波聚合的小区中,存在 PDCCH的载波上,监听 PDCCH; 使用配置的 TPC-PUSCH-RNTI和 /或 TPC-PUCCH-RNTI来接收传输 功率控制信息。
本发明的实施例中, 网络侧为载波聚合的终端配置终端标识, 以 及网络侧根据配置的终端标识与终端进行传输,从而使采用载波聚合 技术的 UE通过 RNTI来与各个小区进行数据的收发。 当然, 实施本 发明的实施例的任一产品并不一定需要同时包含以上所述的所有特 征。
需要说明的是, 本发明的上述实施例以 UE为例描述了 RNTI的 使用方式, 但本领域技术人员应该能够理解, 其他终端, 如机器型通 信终端, 也应在本发明的保护范围之内。
还需要说明的是, 本发明的上述实施例中以 RNTI的使用方式为 例进行描述,但本领域技术人员应该能够理解,在其他系统或标准中, 与本发明实施例中的 RNTI具有相同或相似功能或作用的标识也应在 本发明的保护范围之内。
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解 到本发明可借助软件加必需的通用硬件平台的方式来实现, 当然也可 以通过硬件,但很多情况下前者是更佳的实施方式。基于这样的理解, 本发明的技术方案本质上或者说对现有技术做出贡献的部分可以以 软件产品的形式体现出来, 该计算机软件产品存储在一个存储介质 中, 包括若干指令用以使得一台终端设备(可以是手机,个人计算机, 服务器, 或者网络设备等)执行本发明各个实施例所述的方法。
以上所述仅是本发明的优选实施方式, 应当指出, 对于本技术领 域的普通技术人员来说, 在不脱离本发明原理的前提下,还可以做出 若干改进和润饰, 这些改进和润饰也应视本发明的保护范围。

Claims

权利要求
1、 一种终端标识的使用方法, 其特征在于, 包括:
网络侧为载波聚合的终端在载波聚合的小区中进行统一的无线 网络临时标识 RNTI配置;
所述网络侧与所述终端在所述载波聚合的小区中使用所述统一 配置的 RNTI进行数据收发。
2、如权利要求 1所述的方法,其特征在于,所述进行统一的 RNTI 配置, 包括:
所述载波聚合的小区间共享 RNTI资源。
3、 如权利要求 1所述的方法, 其特征在于, 所述网络侧为载波 聚合的终端进行统一的 RNTI配置, 包括:
所述网络侧在载波聚合的小区中为所述终端统一配置 C-RNTI, 和 /或 SPS C-RNTI , 和 /或 TPC-PUSCH-RNTI , 和 /或 TPC-PUCCH-RNTL
4、 如权利要求 3所述的方法, 其特征在于, 所述网络侧在载波 聚合的小区中为所述终端统一配置 C-RNTI, 包括: 所述网络侧在不 同的载波聚合的小区中为终端配置相同的 C-RNTI,所配置的 C-RNTI 与网络侧已配置的 RNTI不同;
所述网络侧在载波聚合的小区中为所述终端统一配置 SPS C-RNTI, 包括: 所述网络侧在不同的载波聚合的小区中为终端配置 相同的 SPS C-RNTI, 所配置的 SPS C-RNTI与网络侧已配置的 RNTI 不同。
5、 如权利要求 3所述的方法, 其特征在于, 所述网络侧在载波 聚合的小区中为所述终端统一配置 TPC-PUSCH-RNTI, 包括: 所述 网络侧在不同的载波聚合的小区中为所述终端配置相同或不同的 TPC-PUSCH-RNTI , 所配置的 TPC-PUSCH-RNTI与网络侧已配置的 RNTI不同;
所述网络侧在载波聚合的小区中为所述终端统一配置 TPC-PUCCH-RNTI, 包括: 所述网络侧在不同的载波聚合的小区中为 所述终端配置相同或不同的 TPC-PUCCH-RNTI , 所配置的 TPC-PUCCH -RNTI与网络侧已配置的 RNTI不同。
6、 如权利要求 1所述的方法, 其特征在于, 所述网络侧与所述 终端在载波聚合的小区中使用所述统一配置的 RNTI进行数据收发, 包括:
所述网络侧在不同的载波聚合的小区中使用相同的 C-RNTI 和 / 或 SPS C-RNTI与所述终端进行数据收发。
7、 如权利要求 1所述的方法, 其特征在于, 所述网络侧与所述 终端在载波聚合的小区中使用所述统一配置的 RNTI进行数据收发, 包括:
所述网络侧在所有载波聚合的小 区 中使用 配置的 TPC-PUSCH-RNTI和 TPC-PUCCH-RNTI为所述终端发送功率控制信 息。
8、 如权利要求 1所述的方法, 其特征在于, 所述网络侧在配置 载波聚合时不再为所述终端配置新的 C-RNTI和 /或 SPS C-RNTI; 和 / 或, 网络侧在配置和激活载波聚合时不再为所述终端配置新的 C-RNTI和 /或 SPS C-RNTI;
所述网络侧与所述终端在所述载波聚合的小区中使用统一配置 的 RNTI进行数据收发, 具体为: 所述终端和所述网络侧使用已配置 的 C-RNTI和 /或 SPS C-RNTI在所有载波聚合的小区中进行数据发送 和 /或接收。
9、 如权利要求 1所述的方法, 其特征在于, 所述网络侧与所述 终端在所述载波聚合的小区中使用统一配置的 RNTI进行数据收发, 包括:
所述终端在所述载波聚合的小区中存在 PDCCH 的载波上监听 PDCCH; 使用相同的 C-RNTI和 /或 SPS C-RNTI来接收调度信息。
10、 如权利要求 1所述的方法, 其特征在于, 所述网络侧与所述 终端在所述载波聚合的小区中使用统一配置的 RNTI进行数据收发, 包括:
所述终端在所述载波聚合的小区中存在 PDCCH 的载波上监听 PDCCH; 使用配置的 TPC-PUSCH-RNTI和 /或 TPC-PUCCH-RNTI来 接收传输功率控制信息。
11、 如权利要求 1所述的方法, 其特征在于, 当所述终端从网络 侧源节点向网络侧目标节点切换时,网络侧为载波聚合的终端在载波 聚合的小区中进行统一的 RNTI配置, 包括:
所述网络侧目标节点向所述网络侧源节点发送切换请求响应消 息, 其中包括网络侧目标节点为所述终端配置的所述 RNTI和所述载 波聚合的其他小区的频点信息或频点信息索引;
所述网络侧源节点向所述终端发送切换命令消息,其中包括网络 侧目标节点为所述终端配置的所述 RNTI和所述载波聚合的其他小区 的频点信息或频点信息索引。
12、 如权利要求 11所述的方法, 其特征在于, 所述网络侧目标 节点为所述终端配置的所述 RNTI包括:
所述网络侧目标节点为所述终端配置的唯一的 C-RNTI和 /或 SPS C-RNTL
13、 一种终端标识的使用系统, 其特征在于, 包括:
网络侧, 为载波聚合的终端在载波聚合的小区中进行统一的 RNTI配置; 与所述终端在所述载波聚合的小区中使用所述统一配置 的 RNTI进行数据收发;
终端, 接收所述网络侧为所述终端统一配置的 RNTI; 与所述网 络侧在所述载波聚合的小区中使用所述统一配置的 RNTI进行数据收 发。
14、 一种网络侧设备, 其特征在于, 包括:
配置模块,用于为载波聚合的终端在载波聚合的小区中进行统一 的 RNTI配置;
收发模块,用于与所述终端在所述载波聚合的小区中使用所述配 置模块统一配置的所述 RNTI进行数据收发。
15、 如权利要求 14所述的网络侧设备, 其特征在于, 所述进行 统一的 RNTI配置包括:
所述载波聚合的小区间共享 RNTI资源。
16、 如权利要求 14所述的网络侧设备, 其特征在于, 所述配置 模块具体用于:
在载波聚合的小区中为所述终端统一配置 C-RNTI, 和 /或 SPS C-RNTI, 和 /或 TPC-PUSCH-RNTI, 和 /或 TPC-PUCCH-RNTI。
17、 如权利要求 16所述的网络侧设备, 其特征在于, 所述配置 模块配置 C-RNTI时, 在不同的载波聚合的小区中为终端配置相同的 C-RNTI , 所配置的 C-RNTI与网络侧已配置的 RNTI不同;
所述配置模块配置 SPS C-RNTI时, 在不同的载波聚合的小区中 为终端配置相同的 SPS C-RNTI, 所述配置的 SPS C-RNTI与网络侧 已配置的 RNTI不同。
18、 如权利要求 16所述的网络侧设备, 其特征在于, 所述配置 模块配置 TPC-PUSCH-RNTI时, 在不同的载波聚合的小区中为所述 终端配置相 同或不同 的 TPC-PUSCH-RNTI , 所述配置的 TPC-PUSCH-RNTI与网络侧已配置的 RNTI不同;
所述配置模块配置 TPC-PUCCH-RNTI时, 在不同的载波聚合的 小区中为所述终端配置相同或不同的 TPC-PUCCH-RNTI, 所述配置 的 TPC-PUCCH -RNTI与网络侧已配置的 RNTI不同。
19、 如权利要求 14所述的网络侧设备, 其特征在于, 所述收发 模块具体用于:
在不同的所述载波聚合的小区中使用相同的 C-RNTI和 /或 SPS C-RNTI与所述终端进行数据收发。
20、 如权利要求 14所述的网络侧设备, 其特征在于, 所述收发 模块具体用于:
在所有所述载波聚合的小区中使用配置的 TPC-PUSCH-RNTI和 TPC-PUCCH-RNTI为所述终端发送功率控制信息。
21、 如权利要求 14所述的网络侧设备, 其特征在于, 在配置载 波聚合时,所述配置模块不再为所述终端配置新的 C-RNTI和 /或 SPS C-RNTI; 和 /或, 在配置和激活载波聚合时, 所述配置模块不再为所 述终端配置新的 C-RNTI和 /或 SPS C-RNTI;
所述收发模块具体用于: 与所述终端使用已配置的 C-RNTI 和 / 或 SPS C-RNTI在所有所述载波聚合的小区中进行数据发送和 /或接 收。
22、 如权利要求 14所述的网络侧设备, 其特征在于, 当所述终 端从网络侧源节点向网络侧目标节点切换时,若所述网络侧设备为目 标节点, 则所述网络侧设备还用于: 向网络侧源节点发送的切换请求 响应消息, 其中包括网络侧目标节点为所述终端配置的所述 RNTI和 进行载波聚合的其他小区的频点信息或频点信息索引;
若所述网络侧设备为源节点, 则所述网络侧设备还用于: 向所述 终端发送切换命令消息,其中包括网络侧目标节点为所述终端配置的 RNTI和进行载波聚合的其他小区的频点信息或频点信息索引。
23、 如权利要求 22所述的网络侧设备, 其特征在于, 所述配置 模块具体用于: 为所述终端配置唯一的 C-RNTI和 /或 SPS C-RNTI。
24、 一种终端, 其特征在于, 包括:
收发模块, 接收所述网络侧为所述终端统一配置的 RNTI; 与所 述网络侧在所述载波聚合的小区中使用所述统一配置的 RNTI进行数 据收发。
25、 如权利要求 24所述的终端, 其特征在于, 所述收发模块具 体用于:
在所述载波聚合的小区中存在 PDCCH的载波上监听 PDCCH; 使用相同的 C-RNTI和 /或所述 SPS C-RNTI来接收调度信息。
26、 如权利要求 24所述的终端, 其特征在于, 所述收发模块具 体用于:
在所述载波聚合的小区中存在 PDCCH的载波上监听 PDCCH; 使用配置的 TPC-PUSCH-RNTI和 /或 TPC-PUCCH-RNTI来接收传输 功率控制信息。
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US9742532B2 (en) 2017-08-22
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