WO2008098477A1 - Procédé et dispositif pour acquérir un identifiant temporaire - Google Patents

Procédé et dispositif pour acquérir un identifiant temporaire Download PDF

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Publication number
WO2008098477A1
WO2008098477A1 PCT/CN2008/000282 CN2008000282W WO2008098477A1 WO 2008098477 A1 WO2008098477 A1 WO 2008098477A1 CN 2008000282 W CN2008000282 W CN 2008000282W WO 2008098477 A1 WO2008098477 A1 WO 2008098477A1
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WIPO (PCT)
Prior art keywords
temporary identifier
user data
unit
context
user
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PCT/CN2008/000282
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English (en)
French (fr)
Inventor
Yiming Gao
Bin Chen
Original Assignee
Huawei Technologies 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.)
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Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Priority to EP08706463.0A priority Critical patent/EP2109324B1/en
Publication of WO2008098477A1 publication Critical patent/WO2008098477A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/11Allocation or use of connection identifiers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling

Definitions

  • the present invention relates to the field of communications, and in particular, to a method for acquiring a temporary identifier for identifying a user in a wireless resource control connection state, and a temporary identifier transmitting apparatus and a temporary identifier acquiring apparatus.
  • the 3GPP system is functionally composed of three parts: CN (Core Network), UTRAN (UMTS Radio Access Network), and UE (User Equipment).
  • the CN is responsible for handling the switching and routing of calls and data connections with the external network
  • the UTRAN handles all functions related to radio access
  • the UE is the interface with the user.
  • the interface between the CN and the UTRAN is called an Iu interface
  • the interface between the UTRAN and the UE is called a Uu interface.
  • the UTRAN consists of an RNC (Radio Network Controller) and a NodeB (base station). The RNC and the NodeB communicate through the Iub interface.
  • the Uu interface mainly handles the transmission of wireless data
  • the Iub interface and the Iu interface are wired connections (such as optical fibers and cables), and adopt MAC (Media Access Control) and RLC (Radio Link Control) protocols. It mainly provides the transmission and exchange of data.
  • the RRC (Radio Resource Control) protocol mainly completes the management and allocation of radio resources.
  • NodeB's NBAP application part mainly handles the signaling of the Iub interface, and P handles the data transmission of each interface.
  • the RRC connection is a two-way point-to-point connection established between the UE and the RRC protocol layer of the UTRAN. For one UE, there is at most one RRC connection.
  • the RRC connection transmits radio network signaling between the UE and the UTRAN, such as allocation of radio resources and the like.
  • the RRC connection is established at the beginning of the call setup, is released after the call is over, and is maintained for the duration. There are two cases of RRC connection establishment: RC connection establishment on the common channel and RRC connection establishment on the dedicated channel.
  • the RRC connection state is further divided into the following sub-states: CELL_DCH, CELL_FACH CELL_PCH, URA_PCH, where CELL-DCH is the RRC connection state on the dedicated channel under the cell level, CELL_FACH and CELL_PCH are RRC connection states on the common channel under the cell level, and URA_PCH is the RC connection state under the URA level.
  • CELL-DCH is the RRC connection state on the dedicated channel under the cell level
  • CELL_FACH and CELL_PCH are RRC connection states on the common channel under the cell level
  • URA_PCH is the RC connection state under the URA level.
  • the current protocol stipulates that only UEs in the CELL-DCH state can receive HSDPA (High Speed Downlink Packet Access) related channels (including HS-SCCH/HS-PDSCH/HS-DSCH).
  • HSDPA High Speed Downlink Packet Access
  • the HS-DSCH is a high-speed downlink shared channel, and the channel is a transport channel, which is responsible for transmitting user data; the HS-DSCH is mapped to two channels, HS-SCCH and HS-PDSCH, at a physical layer, where the HS-SCCH is a shared control Channel, indicating user information, coded modulation information, and transmission format on the HS-PDSCH; HS-PDSCH is a high-speed downlink physical shared channel, and data information is transmitted; HS-SCCH/HS-PDSCH are downlink common physical channels, All users share; HS-SCCH is sent before the HS-PDSCH channel, so that the user can decode the necessary information and decide whether to receive and how to receive the data of the subsequent
  • the RNC allocates an H-RNTI (HS-DSCH RNTI, High Speed Downlink Shared Channel Radio Network Temporary Identifier) to each UE in the CELL_DCH state to identify the UE receiving the HS-DSCH channel.
  • H-RNTI transmits on the HS-SCCH indicating which UE receives the data, and the UE listens and reads the data on the HS-SCCH and matches its H-RNTI. If it is the same as its own, it receives the HS immediately after the HS-SCCH.
  • H-RNTI High Speed Downlink Shared Channel Radio Network Temporary Identifier
  • the DTCH/DCCH can only be mapped on the FACH and RACH channels, and the HSDPA-related channel cannot be received. Therefore, the HSDPA mechanism cannot be used to improve the data transmission efficiency.
  • An embodiment of the present invention provides a method for acquiring a temporary identifier, the method comprising the steps of: receiving a data frame, and acquiring, from the data frame, a temporary identifier for identifying a user in a wireless resource control connection state.
  • Another embodiment of the present invention provides a temporary identifier transmitting apparatus, the apparatus comprising a distribution unit, further comprising a sending unit, wherein
  • An allocating unit configured to allocate a wireless network temporary identifier to a user in a RRC connection state
  • a sending unit configured to send the temporary identifier allocated by the allocating unit to a base station.
  • an obtaining unit configured to acquire a wireless network temporary identifier in the data frame for identifying a user in a RRC connection state.
  • Embodiment 1 is a schematic flow chart of Embodiment 1 of the present invention.
  • Embodiment 2 of the present invention is a schematic flowchart of Embodiment 2 of the present invention.
  • FIG. 4 is a schematic diagram of an Iub FP frame format in an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a temporary identifier sending apparatus according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a temporary identifier acquiring apparatus according to an embodiment of the present invention.
  • FIG. 7 is a second schematic structural diagram of a temporary identifier obtaining apparatus according to an embodiment of the present invention. detailed description
  • the NodeB When the RNC allocates each UE-specific H-RNTI for the UE in the CELL-FACH state, since the NodeB needs to schedule resources, the NodeB should know the allocation of the H-RNTI.
  • the process of the RNC notifying the NodeB of its assigned H-RNTI and the process of the NodeB performing user data scheduling and transmission are described below by Embodiment 1 and Embodiment 2.
  • Embodiment 1 This embodiment describes a process in which the RNC notifies the H-RNTI to the NodeB through Iub CP (Control Plane) signaling (eg, BAP message), and the NodeB performs user data scheduling and transmission.
  • Iub CP Control Plane
  • 1 is a schematic flowchart of a first embodiment of the present invention.
  • the specific processing includes: processing 101: The RNC sends an NB AP message to the NodeB, where the RNC allocates an H-RNTI allocated by the UE in the CELL-FACH state, and the NodeB receives The message is internally processed, including creating corresponding content (such as context) for each received H-RNTI and saving it.
  • the RNC After the RNC notifies the dedicated H-RNTI of the UE in the CELL_FACH state to the NodeB, the RNC sends the Iub HS-DSCH FP data frame to the NodeB through the Iub interface.
  • the transmitted data frame carries the H-RNTI of the user in the CELL_FACH state and the corresponding user data.
  • the structure of the Iub HS-DSCH FP data frame can be as shown in Figure 4.
  • the data frame includes a header portion and a payload portion.
  • the PDU data of one or more users is sequentially included in the data load part, and the HS-DSCH-RNTI field of the H-RNTI is recorded in front of each user's PDU field to identify the target user of the corresponding PDU.
  • the PDU type in Figure 4 is not limited to MAC-d PDUs, and may also be PDUs of the type such as MAC-c.
  • the NodeB After receiving the Iub HS-DSCH FP data frame, the NodeB obtains the user data (such as the MAC-d PDU) and the corresponding H-RNTI (the H-RNTI is used to identify the user data).
  • the user data such as the MAC-d PDU
  • the H-RNTI is used to identify the user data.
  • the NodeB associates the acquired H-RNTI with corresponding user data.
  • the NodeB reassembles the data in the payload of the Iub HS-DSCH FP data frame, and reconstructs the HS-DSCH data frame, so that the PDUs carried in the reconstructed HS-DSCH data frame are the same.
  • User's PDU The reconstructed HS-DSCH data frame carries a TSN to identify the HS-DSCH data frame.
  • the process of reassembling the data frame by the above NodeB can be implemented in the manner of the prior art.
  • the NodeB records the TSN of the HS-DSCH data frame into the relevant content (such as the context) of the corresponding H-RNTI, and associates the H-RNTI with the user data.
  • the NodeB broadcasts the identifier of the target user through the HS-SCCH channel, and instructs the user to receive the data.
  • the NodeB obtains the above-mentioned HR TI associated with the user data from the corresponding related content (such as the context), and broadcasts the H-RNTI through the HS-SCCH channel, instructing the corresponding user to receive the data.
  • the NodeB sends user data through the HS-PDSCH channel.
  • the terminal where the user is located monitors the HS-SCCH channel.
  • the broadcast user identifier is the same as its own identifier, it receives data belonging to itself from the HS-PDSCH channel according to the indication.
  • the NodeB receives the NBAP message (the message carries the H-RNTI allocated for the UE in the CELL_FACH state) and performs internal processing.
  • the process may be as shown in FIG. 2, including: processing 201, RC is CELL—
  • the UE in the FACH state allocates a dedicated HR TI.
  • the RNC assigns the corresponding H-RNTL to it.
  • Process 202 The RNC sends an NBAP message (CELL_FACH H-RNTI Notification) to notify the NodeB of the H-RNTI.
  • an NBAP message CELL_FACH H-RNTI Notification
  • the 203, the NodeB receives the BAP message through the Iub interface, and performs processing, including: reading the H-RNTI from the BAP message;
  • the related content created may include a field for recording an H-RNTI and a field for recording a TSN (Transmission Sequence Number), and storing an H-RNTI in a field for recording the H-RNTI, and recording a field of the TSN for saving the H-RNTI The TSN of the corresponding user data.
  • TSN Transmission Sequence Number
  • the processing 204 the NodeB sends an NBAP response message (CELL_FACH H-RNTI Response) to the RNC, indicating that the H-RNTI has been received and processed correctly.
  • This process is an optional process.
  • a new message can be constructed specifically for notifying the H-RNTI of the UE in the CEL ⁇ -EACH state. , such as the CELL-FACH H-RNTI Notification/Response message in the above process.
  • Embodiment 2 This embodiment describes a process in which a dedicated H-R TI allocated by an RNC to a UE is notified to a NodeB through an Iub FP side, and a process in which the NodeB performs user data scheduling and transmission.
  • Embodiment 3 is a schematic flowchart of Embodiment 2 of the present invention, and the specific processing process includes: The processing 301, the RC allocates a dedicated H-RNTL process 302 for the UE in the CELL_FACH state, and the RC constructs the Iub FP data frame, carries the H-RNTI in the data frame, and then sends the Iub FP data frame to the NodeB.
  • the Iub FP data frame containing the H-RNTI sent by the RNC can be defined as the structure shown in FIG.
  • the data frame includes a header portion and a payload portion.
  • the PDU data of one or more users is sequentially included in the data load portion, and the PDU field of each user includes the HS-DSCH for recording the H-RNTI.
  • the RNTI field is used to identify the target user of the corresponding PDU.
  • the PDU type in FIG. 4 is not limited to a MAC-d PDU, and may also be a PDU of a type such as MAC-c.
  • the processing 303, the NodeB receives the Iub FP data frame from the RNC, reads the carried H-RNTL process 304, and the NodeB determines whether the related content (such as the context) corresponding to the H-RNTI already exists, and if yes, performs the process 306; otherwise, performs Process 305.
  • the related content such as the context
  • Processing 305 When there is no related content (such as a context) corresponding to the H-R TI, create related content (such as a context) corresponding to the H-RNTI and save it.
  • the related content created may include a field for recording the H-R TI and a field for recording the TSN, and the H-RNTI is saved in the field of the H-RNTI record.
  • the processing 306 when the related content (such as the context) corresponding to the H-RNTI already exists, or the related content (such as the context) is created in the foregoing processing 305, the H-RNTI is associated with the corresponding user data.
  • the related content such as the context
  • the related content such as the context
  • the NodeB reassembles the data in the payload of the Iub FP data frame, and reconstructs the HS-DSCH data frame, so that the PDU carried in the reconstructed HS-DSCH data frame is the same user's PDU. .
  • the reconstructed HS-DSCH data frame carries a TSN to identify the HS-DSCH data frame.
  • the NodeB records the TSN of the HS-DSCH data frame into the relevant content of the corresponding H-R TI (such as the context), and associates the H-RNTI with the user data.
  • the Node obtains the H-RNTI that has been associated with the user data from the corresponding related content (such as the context), and broadcasts the H-RNTI through the HS-SCCH channel, and instructs the corresponding user to receive the data.
  • the corresponding related content such as the context
  • the NodeB sends an HS-DSCH data frame through the HS-PDSCH channel.
  • the terminal where the user is located monitors the HS-SCCH channel.
  • the broadcast identifier is the same as its own identifier, it receives data belonging to itself from the HS-PDSCH channel according to the indication.
  • the NodeB when the RNC learns that the UE is transferred from the CELL-FACH state to the RRC unconnected state, or goes to the CELLJPCH/UA-PCH/IDLE state, the NodeB can be notified by the NBAP message to release the foregoing process.
  • the relevant content such as the context
  • the NodeB after receiving the NBAP message, the NodeB deletes the specified related content (such as the context).
  • Embodiment 2 carries the H-RNTI in the data frame while transmitting the data frame to the NodeB at the RNC, and creates H-RN by creating a new signaling with Embodiment 1.
  • the RNTI can save signaling overhead and save configuration time, thereby improving system efficiency.
  • the embodiment of the invention further provides a temporary identifier sending device.
  • a temporary identifier sending apparatus may be integrated in a wireless network controller, where the apparatus includes an allocating unit and a sending unit, where
  • the allocation unit is configured to allocate an H-RNTI for the user in the CELL_FACH state
  • the sending unit is configured to send the H-RNTI allocated by the allocating unit to the base station.
  • the sending unit is configured to send signaling to the base station, where the H-RNTI allocated by the allocating unit is carried, and may further include a data sending unit, configured to send a data frame to the base station, where the H-RNTI allocated by the allocating unit is carried.
  • the embodiment of the invention further provides a temporary identifier obtaining device.
  • FIG. 6 is a schematic structural diagram of a temporary identifier acquiring apparatus according to an embodiment of the present invention.
  • the device may be integrated in a base station, and the device includes a receiving unit and an obtaining unit, wherein the receiving unit may be a signaling receiving unit, and the receiving unit and the obtaining unit may be independently existed or integrated together (FIG. 6 is an acquiring unit integrated in the letter)
  • the device may further include: a context unit, a storage unit, an association unit, and a sending unit, where
  • the signaling receiving unit is configured to receive the signaling sent by the radio network controller, and obtain the H-RNTI of the user in the CELL-FACH state allocated by the radio network controller;
  • the context unit is configured to create, according to the H-RNTI acquired by the receiving unit, the H-RNTI Context, and store related content (such as context) to the storage unit;
  • the association unit is configured to associate the H-RNTI stored in the storage unit with corresponding user data (user data can be received from the RC through the data receiving unit), and store the association relationship in the storage unit; the association unit associates the HR TI with the corresponding
  • the transmission sequence number of the user data is stored in the relevant content (such as the context) corresponding to the H-RNTI in the storage unit;
  • the sending unit is configured to acquire the H-RNTI from the storage unit, and broadcast the H-RNTI on the HS-SCCH channel, instruct the corresponding user to receive the user data, and then send the user data of the users through the HS-PDSCH channel.
  • the above device may also comprise a release unit.
  • the release unit releases the related content (such as the context) of the user's H-RNTI stored in the storage unit.
  • FIG. 7 is a schematic structural diagram of a temporary identifier obtaining apparatus according to another embodiment of the present invention.
  • the apparatus may be integrated in a base station, where the apparatus includes a receiving unit and an acquiring unit, where the receiving unit may be a data receiving unit, and a receiving unit. And the obtaining unit may be existed or integrated independently (FIG. 7 is a schematic diagram of the acquiring unit integrated in the data receiving unit), the apparatus may further include: a determining unit, a context unit, an associating unit, a storage unit, and a sending unit, wherein ,
  • the data receiving unit is configured to receive a data frame sent by the radio network controller, and obtain an H-RNTI of the user in a CELL_FACH state;
  • a determining unit configured to query, according to the H-RNTI received by the receiving unit, whether the related content (such as a context) corresponding to the H-RNTI already exists, and if yes, instructing the associated unit to associate the H-RNTI with the H-RNTI Corresponding user data is associated; otherwise, the context unit is instructed to create related content (such as context) corresponding to the H-RNTI;
  • the context unit is configured to: according to the H-RNTI acquired by the receiving unit, create related content (such as a context) corresponding to the HR TI, and store the created related content (such as a context) to the storage unit;
  • the H-RNTI stored in the storage unit is associated with the corresponding user data, and the association relationship is stored in the storage unit.
  • the association unit stores the H-RNTI and the transmission sequence number of the corresponding user data in the storage unit during the process of establishing the association relationship between the H-RNTI and the user data.
  • relevant content such as the context
  • the transmitting unit is configured to acquire the H-RNTI from the storage unit, and broadcast the H-R TI on the HS-SCCH channel, instruct the corresponding user to receive the user data, and then send the user data of the users through the HS-PDSCH channel.
  • the above device may also comprise a release unit.
  • the release unit Upon learning that the user terminal transitions from the CELL_FACH state to the RRC unconnected state, or to the CELL_PCH/URA-PCH/IDLE state, the release unit stores the relevant content of the user's H-RNTI stored by the storage unit (eg, context) ) Release.
  • the UTRAN allocates a separate H-RNTI to the UE in the CELL-FACH state, and the RNC configures the UE to be transparent to the NodeB.
  • the RNC allocates the H-RNTI to the UE in the CELL-FACH state
  • the prior art lacks the notification mechanism of the RNC to the NodeB, which causes scheduling problems:
  • the NodeB needs to reorder the HS-DSCH frame during scheduling. Reordering is performed in the MAC-hs in the NodeB. In reordering, the NodeB needs to know the target user of the HS-DSCH frame to be able to notify the corresponding user to receive data through the HS-SCCH channel.
  • the NodeB does not know whether the RNC allocates the H-RNTI for the UE and the HR TI allocated for the UE. Therefore, when the RNC sends the data of the CELL-FACH state user, the NodeB does not know the data.
  • the target user is who can't reorder, and the process of sending user data for the user in the CELL-FACH state cannot be realized.
  • the foregoing embodiment of the present invention solves the above-mentioned drawbacks of the prior art by transmitting an H-R TI for a UE in a CELL-FACH state to a base station, and a process in which the base station acquires the H-RNTI.
  • the foregoing embodiment of the present invention notifies the H-RNTI of the user in the CELL-FACH state to the NodeB, and the NodeB may associate the H-RNTI with the corresponding user data after saving the H-RNTI.
  • the corresponding user data is sent to the corresponding user, and the NodeB performs data scheduling and user data transmission for the user in the CELL_FACH state, so that the base station sends data for the user in the CELL-FACH state.
  • the HSDPA mechanism can be fully utilized to improve the spectrum utilization and transmission efficiency of the system.
  • H-RNTI is allocated by the RNC to the user in the CELL-FACH state.
  • An expression of the temporary identifier but the invention is not limited to the above application range and the expression form of the above temporary identifier.

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Description

临时标识符获取方法及其装置 技术领域
本发明涉及通信领域, 尤其涉及一种用于标识无线资源控制连接状态下 的用户的临时标识符获取方法, 以及临时标识符发送装置、 临时标识符获取 装置。 背景技术
3GPP 系统从功能上由三部分组成: CN (核心网)、 UTRAN ( UMTS无 线接入网)和 UE (用户设备)。 CN负责处理与外部网络之间的呼叫和数据连 接的交换和路由选择, UTRAN处理所有与无线接入相关的功能, UE则是与 用户的接口。 CN与 UTRAN之间的接口称为 Iu接口, UTRAN与 UE之间的 接口称为 Uu接口。 UTRAN由 RNC ( Radio Network Controller, 无线网络控 制器)和 NodeB (基站)组成, RNC和 NodeB之间通过 Iub接口进行通信。
在 3GPP系统的协议栈中, Uu接口主要处理无线数据的传输, Iub接口和 Iu接口是有线连接 (如光纤、 电缆), 采用 MAC (媒体接入控制)和 RLC (无 线链路控制)协议, 主要提供数据的传输和交换。 RRC (无线资源控制)协 议主要完成无线资源的管理和分配。 NodeB 的 NBAP (应用部分)主要处理 Iub接口的信令, P 则处理各接口的数据传输。
UE同 UTRAN之间有 R C信令连接时, 称为 UE处于 RRC连接状态。 RRC连接是 UE与 UTRAN的 RRC协议层之间建立的一种双向点到点的连接。 对一个 UE来说, 至多存在一条 RRC连接。 RRC连接在 UE与 UTRAN之间 传输无线网络信令, 如进行无线资源的分配等等。 RRC连接在呼叫建立之初 建立, 在通话结束后释放, 并在期间一直维持。 RRC连接建立有两种情况: 公共信道上的 R C连接建立和专用信道上的 RRC连接建立。 RRC连接状态 中又分如下几种子状态: CELL— DCH、 CELL_FACH CELL_PCH, URA_PCH, 其中, CELL—DCH 为小区级别下的专用信道上的 RRC 连接状态、 CELL—FACH、 CELL_PCH为小区级别下的公共信道上的 RRC连接状态, URA_PCH为 URA级别下的 R C连接状态。 这几种子状态在满足条件时可 以互相转化。
当前协议中规定,只有处于 CELL— DCH状态的 UE可以接收 HSDPA( High Speed Downlink Packet Access , 高速下行分組接入) 相关信道 (包括 HS-SCCH/HS-PDSCH/HS-DSCH )。 其中, HS-DSCH是高速下行共享信道, 该信道为传输信道, 负责传输用户数据; HS-DSCH在物理层映射到 HS-SCCH 和 HS-PDSCH两个信道上,其中, HS-SCCH是共享控制信道,指示 HS-PDSCH 上的用户信息、 编码调制信息和传输格式等; HS-PDSCH是高速下行物理共 享信道, 传递的是数据信息; HS-SCCH/HS-PDSCH均为下行公共物理信道, 为所有用户共享; HS-SCCH先于 HS-PDSCH信道发送, 以便用户解码必要的 信息后决定是否接收及如何接收后续 HS-PDSCH信道的数据。
RNC 会为每个处于 CELL—DCH 状态下的 UE 分配一个 H-RNTI ( HS-DSCH RNTI, 高速下行共享信道无线网络临时标识符) 以标识接收 HS-DSCH信道的 UE。 H-RNTI在 HS-SCCH上发送指示哪个 UE接收数据, UE监听并读取 HS-SCCH上的数据并匹配其 H-RNTI, 如果和自己的一样, 则去接收紧接着 HS-SCCH之后的 HS-PDSCH信道的信息。 但是对于处于 CELL— FACH状态的 UE, 只能将 DTCH/DCCH映射在 FACH和 RACH信道 上, 不能接收 HSDPA相关信道, 也就不能利用 HSDPA机制提高数据传输效 率。 发明内容
本发明实施例提供了一种临时标识符获取方法, 该方法包括以下步骤: 接收数据帧, 从所述数据帧中获取用于标识无线资源控制连接状态下的 用户的临时标识符。 '
本发明的另一个实施例提供了一种临时标识符发送装置, 该装置包括分 配单元, 还包括发送单元, 其中
分配单元, 用于为无线资源控制连接状态下的用户分配无线网络临时标 识符;
发送单元, 用于将所述分配单元分配的所述临时标识符发送到基站。
本发明的另一个实施例提供了一种临时标识符获取装置, 该装置包括: 接收单元 , 用于从无线网络控制器接收数据帧;
获取单元, 用于获取所述数据帧中用于标识无线资源控制连接状态下的 用户的无线网络临时标识符。 附图说明
图 1为本发明实施例一的流程示意图之一;
图 2为本发明实施例一的流程示意图之二;
图 3为本发明实施例二的流程示意图;
图 4为本发明实施例中的 Iub FP帧格式示意图;
图 5为本发明实施例的临时标识符发送装置的结构示意图;
图 6为本发明实施例的临时标识符获取装置的结构示意图之一;
图 7为本发明实施例的临时标识符获取装置的结构示意图之二。 具体实施方式
下面结合附图对本发明实施例进行详细描述。
当 RNC为处于 CELL—FACH状态下的 UE分配每个 UE专用的 H-RNTI 时, 由于 NodeB需要对资源进行调度, 所以 NodeB应当知道 H-RNTI的分配 情况。下面通过实施例 1和实施例 2描述 RNC通知 NodeB其所分配的 H-RNTI 的过程, 以及 NodeB进行用户数据调度和发送的过程。
实施例 1: 本实施例描述了 RNC将 H-RNTI通过 Iub CP ( Control Plane, 控制面)信令(如: BAP消息) 方式通知给 NodeB, 以及 NodeB进行用户 数据调度和发送的过程。 参见图 1 , 为本发明实施例一的流程示意图, 具体处理过程包括: 处理 101、 RNC向 NodeB发送 NB AP消息,其中包含 RNC为 CELL— FACH 状态下的 UE分配的 H-RNTI, NodeB收到该消息后进行内部处理, 包括为每 个接收到的 H-RNTI创建相应的相关内容(如 context, 即上下文)并保存。
处理 102、 在 RNC将 CELL— FACH状态下的 UE的专用 H-RNTI通知到 NodeB后, RNC通过 Iub接口发送 Iub HS-DSCH FP数据帧到 NodeB。 发送 的数据帧中携带有 CELL— FACH状态下的用户的 H-RNTI以及对应的用户数 据。 Iub HS-DSCH FP数据帧的结构可如图 4所示。 该数据帧包括帧头部分 ( header )和数据负荷部分(payload )。 在数据负荷部分依次包括一个或多个 用户的 PDU 数据, 每个用户的 PDU 字段前都包含记录 H-RNTI 的 HS-DSCH-RNTI字段, 用以标识对应的 PDU的目标用户。 图 4中的 PDU类 型, 不限于 MAC-d PDU, 还有可能为 MAC-c等类型的 PDU。
NodeB接收到 Iub HS-DSCH FP数据帧后, 获取其中的用户数据(如 MAC-d PDU )和对应的 H-RNTI (该 H-RNTI用以标识用户数据)。
处理 103、 NodeB将获取到的 H-RNTI与对应的用户数据进行关联。 在本处理过程中, NodeB对 Iub HS-DSCH FP数据帧的 payload中的数据 进行重新组合, 进行 HS-DSCH数据帧的重新构造, 使重新构造的 HS-DSCH 数据帧中携带的 PDU是同一个用户的 PDU。 重新构造的 HS-DSCH数据帧中 携带 TSN, 以标识该 HS-DSCH数据帧。 上述 NodeB对数据帧重组的过程可 按照现有技术的方式来实现。
NodeB将 HS-DSCH数据帧的 TSN记录到相应 H-RNTI的相关内容(如 上下文) 中, 将 H-RNTI与用户数据进行关联。
处理 104、 NodeB通过 HS-SCCH信道广播目标用户的标识, 指示用户接 收数据。
NodeB从相应的相关内容(如上下文) 中获取上述已与用户数据关联的 H-R TI, 并将该 H-RNTI通过 HS-SCCH信道进行广播, 指示相应的用户接 收数据。 处理 105、 NodeB通过 HS-PDSCH信道发送用户数据。
用户所在终端监听 HS-SCCH信道, 当判断广播的用户标识与自己的标识 相同时, 根据指示从 HS-PDSCH信道接收属于自己的数据。
上述处理 102中, NodeB收到 NBAP消息(该消息携带有为 CELL_FACH 状态下的 UE分配的 H-RNTI )后进行内部处理, 其过程可如图 2所示, 包括: 处理 201、 R C为 CELL— FACH状态下的 UE分配专用 H-R TI。
当 UE由 RRC未连接状态进入 CELL_FACH状态时,或者由 CELL— PCH、
U A— PCH、 或 IDLE (空闲) 状态进入 CELLJFACH状态时, RNC为其分 配相应的 H-RNTL
处理 202、 RNC发送 NBAP消息( CELL— FACH H-RNTI Notification )将 上述 H-RNTI通知到 NodeB。
处理 203、 NodeB通过 Iub接口接收该 BAP消息, 并进行处理, 包括: 从 BAP消息中读取 H-RNTI;
为每个接收到的 H-RNTI创建相应的相关内容(如上下文)并保存。创建 的相关内容中可包含记录 H-RNTI的字段和记录 TSN (传输序列号)的字段, 并在记录 H-RNTI 的字段中保存 H-RNTI, 记录 TSN 的字段用于保存与该 H-RNTI对应的用户数据的 TSN。
处理 204、 NodeB发送 NBAP响应消息( CELL— FACH H-RNTI Response ) 到 RNC, 表明已经收到 H-RNTI并正确进行了处理。 该处理过程为可选的处 理过程。
由于当前没有专门的 Iub CP 信令 (如 NBAP 信令) 用于通知处于 CELLJFACH状态下 UE的 H-RNTI, 可通过构造新的消息专门用于通知处于 CEL^— EACH状态下 UE的 H-RNTI, 如上述流程中的 CELL— FACH H-RNTI Notification/Response消息。
实施例 2:本实施例描述了 RNC将为 UE分配的专用 H-R TI通过 Iub FP 方 通知给 NodeB的过程, 以及 NodeB进行用户数据调度和发送的过程。
参见图 3 , 为本发明实施例二的流程示意图, 具体处理过程包括: 处理 301、 R C为 CELL—FACH状态下的 UE分配专用 H-RNTL 处理 302、 R C构造 Iub FP数据帧, 将 H-RNTI携带于该数据帧, 然后 将该 Iub FP数据帧发送到 NodeB。
RNC发送的包含 H-RNTI的 Iub FP数据帧, 可以定义为如图 4所示的结 构。 该数据帧包括帧头部分(header )和数据负荷部分 ( payload )„ 在数据负 荷部分依次包括一个或多个用户的 PDU数据, 每个用户的 PDU字段前都包 含记录 H-RNTI的 HS-DSCH-RNTI字段, 用以标识对应的 PDU的目标用户。 图 4中的 PDU类型,不限于 MAC-d PDU,还有可能为 MAC-c等类型的 PDU。
处理 303、 NodeB从 RNC接收 Iub FP数据帧, 读取携带的 H-RNTL 处理 304、 NodeB判断是否已经存在该 H-RNTI对应的相关内容(如上下 文), 若存在则执行处理 306; 否则, 执行处理 305。
处理 305、当不存在 H-R TI对应的相关内容(如上下文)时,创建 H-RNTI 对应的相关内容(如上下文)并保存。 创建的相关内容中可包含记录 H-R TI 的字段和记录 TSN的字段, 并在记录 H-RNTI的字段中保存该 H-RNTI。
处理 306、 当已存在 H-RNTI对应的相关内容(如上下文), 或在上述处 理 305中创建了相关内容(如上下文), 则将该 H-RNTI与对应的用户数据进 行关联。
在本处理过程中, NodeB对 Iub FP数据帧的 payload中的数据进行重新 组合, 进行 HS-DSCH数据桢的重新构造, 使重新构造的 HS-DSCH数据帧中 携带的 PDU是同一个用户的 PDU。重新构造的 HS-DSCH数据帧中携带 TSN, 以标识该 HS-DSCH数据帧。 上述 NodeB对数据帧重组的过程为现有技术。
. NodeB将 HS-DSCH数据帧的 TSN记录到相应 H-R TI的相关内容(如 上下文) 中, 将 H-RNTI与用户数据进行关联。
处理 307、 Node 从相应的相关内容(如上下文)中获取上述已与用户数 据关联的 H-RNTI, 并将该 H-RNTI通过 HS-SCCH信道进行广播, 指示相应 的用户接收数据。
处理 308、 NodeB通过 HS-PDSCH信道发送 HS-DSCH数据帧。 用户所在终端监听 HS-SCCH信道, 当判断广播的标识与自己的标识相同 时, 根据指示从 HS-PDSCH信道接收属于自己的数据。
在上述实施例 1和实施例 2中, 当 RNC获知 UE由 CELL— FACH状态转 出到 RRC未连接状态, 或转到 CELLJPCH/ U A— PCH/ IDLE状态时, 可以 通过 NBAP消息通知 NodeB释放上述流程中保存的该用户的 H-RNTI对应的 相关内容(如上下文); NodeB接收到该 NBAP消息后, 删除指定的相关内容 (如上下文)。
从上述实施例 1和实施例 2可以看出, 实施例 2通过在 RNC发送数据帧 到 NodeB的同时, 将 H-RNTI携带在数据帧中, 与实施例 1通过创建新的信 令将 H-RNTI通知到 NodeB相比, 可以节省信令开销、 节省配置时间, 从而 提高系统效率。
本发明实施例还提供了一种临时标识符发送装置。
参见图 5, 为本发明实施例的临时标识符发送装置, 该装置可以集成于无 线网絡控制器, 该装置包括分配单元和发送单元, 其中,
分配单元用于为 CELL— FACH状态下的用户分配 H-RNTI;
发送单元用于将分配单元分配的 H-RNTI发送到基站。发送单元用于向基 站发送信令, 其中携带分配单元分配的 H-RNTI; 另外还可以包括数据发送单 元, 用于向基站发送数据帧, 其中携带分配单元分配的 H-RNTI。
本发明实施例还提供了临时标识符获取装置。
参见图 6, 为本发明实施例提供的临时标识符获取装置的结构示意图。该 装置可以集成于基站, 该装置包括接收单元和获取单元, 其中接收单元可以 是信令接收单元, 接收单元和获取单元可独立存在或集成在一起(图 6给出 的是获取单元集成于信令接收单元的示意图),该装置还可包括:上下文单元、 存储单元、 关联单元和发送单元, 其中,
信令接收单元用于接收无线网络控制器发送的信令, 并从中获取无线网 络控制器分配的 CELL—FACH状态下的用户的 H-RNTI;
上下文单元用于根据接收单元获取到的 H-RNTI, 创建与该 H-RNTI对应 的上下文, 并将创建的相关内容(如上下文)存储到存储单元;
关联单元用于将存储单元中存储的 H-RNTI与对应的用户数据(用户数据 可通过数据接收单元从 R C接收)关联, 并将关联关系存储于存储单元; 关 联单元将 H-R TI 以及与其对应的用户数据的传输序列号存储到存储单元中 的该 H-RNTI对应的相关内容(如上下文) 中;
发送单元用于从存储单元获取 H-RNTI, 并在 HS-SCCH信道上广播所述 H-RNTI, 指示对应的用户接收用户数据, 然后通过 HS-PDSCH信道发送这些 用户的用户数据。
上述装置还可以包含释放单元。 在获知用户终端从 CELL_FACH状态转 换为 RRC未连接状态,或转到 CELL— PCH/ URA_PCH/ IDLE状态时,释放单 元将存储单元存储的该用户的 H-RNTI的相关内容(如上下文)进行释放。
参见图 7,为本发明的另一个实施例提供的临时标识符获取装置的结构示 意图, 该装置可集成于基站, 该装置包括接收单元和获取单元, 其中接收单 元可以是数据接收单元,接收单元和获取单元可独立存在或集成在一起(图 7 给出的是获取单元集成于数据接收单元的示意图), 该装置还可包括: 判断单 元、 上下文单元、 关联单元、 存储单元和发送单元, 其中,
数据接收单元用于接收无线网络控制器发送的数据帧, 并从中获取 CELL— FACH状态下的用户的 H-RNTI;
判断单元, 用于根据接收单元接收到的 H-RNTI, 从存储单元查询是否已 存在该 H-RNTI对应的相关内容(如上下文), 若已经存在, 则指示关联单元, 将该 H-RNTI与对应的用户数据进行关联; 否则, 指示上下文单元,创建与该 H-RNTI对应的相关内容(如上下文);
上下文单元用于才艮据接收单元获取到的 H-RNTI, 创建与该 H-R TI对应 的相关内容(如上下文), 并将创建的相关内容(如上下文)存储到存储单元; 关联单元,用于将存储单元中存储的 H-RNTI与对应的用户数据关联,并 将关联关系存储于存储单元。关联单元在建立 H-RNTI与用户数据的关联关系 过程中,将 H-RNTI以及与其对应的用户数据的传输序列号,存储到存储单元 中该 H-RNTI对应的相关内容(如上下文) 中;
发送单元用于从存储单元获取 H-RNTI, 并在 HS-SCCH信道上广播所述 H-R TI, 指示对应的用户接收用户数据, 然后通过 HS-PDSCH信道发送这些 用户的用户数据。
上述装置还可以包含释放单元。 在获知用户终端从 CELL— FACH状态转 换为 RRC未连接状态,或转到 CELL— PCH/ URA— PCH/ IDLE状态时,释放单 元将存储单元存储的该用户的 H-RNTI的相关内容(如上下文)进行释放。
从上述实施例可以看出, UTRAN为处于 CELL— FACH状态下的 UE分配 单独的 H-RNTI, RNC 为 UE 进行配置对 NodeB 是透明的。 当 RNC 为 CELL— FACH状态下的 UE分配 H-RNTI时,现有技术由于缺少 RNC到 NodeB 的通知机制,这样就会产生调度方面的问题: NodeB在调度时需要对 HS-DSCH 帧重排序, 重排序在 NodeB中的 MAC-hs中进行。 在重排序时, NodeB需要 知道 HS-DSCH帧的目标用户, 才能够通过 HS-SCCH信道通知相应的用户接 收数据。对于处于 CELL_FACH状态的用户,现有技术中 , NodeB不清楚 RNC 是否为 UE 分配了 H-RNTI 以及为 UE 分配的 H-R TI, 因此 RNC 下发 CELL— FACH状态用户的数据时, NodeB 不知道该数据的目标用户是谁, 从 而无法进行重排序, 也就无法真正实现针对 CELL— FACH状态下的用户发送 用户数据的过程。而本发明的上述实施例通过将为 CELL—FACH状态下的 UE 分配 H-R TI发送到基站, 以及基站获取该 H-RNTI的过程,解决了现有技术 存在的上述缺陷。
综上所述,本发明的上述实施例将 CELL— FACH状态下的用户的 H-RNTI 通知到 NodeB, NodeB可在保存该 H-RNTI之后, 将该 H-RNTI与相应的用 户数据进行关联, 并可根据建立的关联关系, 将对应的用户数据发送到对应 的用户, 实现了 NodeB对 CELL_FACH状态下的用户进行数据调度和发送用 户数据, 使得基站在为 CELL— FACH状态下的用户发送数据的过程中, 可充 分利用 HSDPA机制, 以提高系统的频谱利用率和传输效率。
需要说明的是, 上述 H-RNTI是 RNC为 CELL— FACH状态下的用户分配 的临时标识符的一种表述形式, 但本发明并不限于上述应用范围以及上述临 时标识符的表述形式。
本领域技术人员可以理解附图只是一个优选实施例的示意图, 附图中的 单元或流程并不一定是实施本发明所必须的。
上述本发明实施例序号仅仅为了描述, 不代表实施例的优劣。
• 权利要求的内容记载的方案也是本发明实施例的保护范围。
本领域普通技术人员可以理解上述实施例方法中的全部或部分处理是可 以通过程序来指令相关的硬件完成, 所述的程序可以存储于一种计算机可读 存储介质中。
显然, 本领域的技术人员可以对本发明进行各种改动和变型而不脱离本 发明的精神和范围。 这样, 倘若本发明的这些修改和变型属于本发明权利要 求及其等同技术的范围之内, 则本发明也意图包含这些改动和变型在内。

Claims

权 利 要 求
1、 一种临时标识符的获取方法, 其特征在于, 包括以下步骤:
接收数据帧, 从所述数据帧中获取用于标识无线资源控制连接状态下的 用户的临时标识符。
2、 如权利要求 1所述的方法, 其特征在于, 获取所述临时标识符后还包 括步骤: 将所述临时标识符与对应的用户数据进行关联。
3、 如权利要求 2所述的方法, 其特征在于, 将所述临时标识符与对应的 用户数据进行关联之前, 还包括步骤:
判断是否已经为所述临时标识符创建相应的上下文, 若没有创建, 则为 所述临时标识符创建相应的上下文, 并将所述临时标识符与对应的用户数据 关联; 若已创建, 则将所述临时标识符与对应的用户数据关联。
4、 如权利要求 2或 3所述的方法, 其特征在于, 将所述临时标识符与对 应的用户数据进行关联, 具体为:
创建与所述临时标识符对应的上下文, 将所述临时标识符、 与所述临时 标识对应的用户数据的传输序列号保存到所述上下文中。
5、 如权利要求 2所述的方法, 其特征在于, 将所述临时标识符与对应的 用户数据进行关联后, 还包括步骤:.
广播所述临时标识符, 指示与所述临时标识符对应的用户接收用户数据, 并发送与所述临时标识符关联的用户数据。
6、 如权利要求 5所述的方法, 其特征在于, 所述发送与所述临时标识符 关联的用户数据, 包括步骤:
生成用户数据包, 所述用户数据包中携带与所述临时标识符中的一个临 时标识符对应的用户数据;
通过 HS-PDSCH信道发送生成的用户数据包。
7、 如权利要求 1或 5所述的方法, 其特征在于, 接收数据帧之前还包括 步骤: 接收无线网络控制器发送的信令, 其中携带所述临时标识符; 从所述信令中获取所述临时标识符。
8、 如权利要求 1或 2或 5所述的方法, 其特征在于, 当与所述临时标识 符对应的用户所在终端从所述无线资源控制连接态转换为其它状态时, 还包 括步骤:
释文获取到的所述临时标识符。
9、 如权利要求 8所述的方法, 其特征在于, 所述无线资源控制连接状态 为 CELL—FACH状态; 所述其它状态包括无线资源控制未连接状态、 空闲状 态、 CELL— PCH状态或 URA—PCH状态。
10、 如权利要求 1 所述的方法, 其特征在于, 所述数据帧中携带一个或 多个所述临时标识符以及对应的用户数据。 '
11、 一种临时标识符获取装置, 其特征在于, 包括:
接收单元, 用于接收数据帧;
获取单元, 用于获取所述数据帧中用于标识无线资源控制连接状态下的 用户的无线网络临时标识符。
12、 如权利要求 11所述的临时标识符获取装置, 其特征在于, 所述接收 单元进一步用于从无线网络控制器接收信令, 所述信令中携带所述临时标识 符;
所述获取单元进一步用于从所述信令中获取所述临时标识符。
13、 如权利要求 11所述的临时标识符获取装置, 其特征在于, 还包括关 联单元, 用于将所述临时标识符与对应的用户数据进行关联。
14、 如权利要求 13所述的临时标识符获取装置, 其特征在于, 还包括: 上下文单元, 用于创建与所述临时标识符对应的上下文;
所述关联单元进一步用于将所述临时标识符和与所述临时标识符对应的 用户数据的传输序列号存储到该临时标识符对应的上下文中。
15、 如权利要求 14所述的临时标识符获取装置, 其特征在于, 还包括: 判断单元, 用于根据获取到的所述临时标识符, 判断是否已存在所述临 时标识符对应的上下文, 若已经存在, 则指示所述关联单元将所述临时标识 符与对应的用户数据进行关联; 否则, 指示所述上下文单元创建与所述临时 标识符 ^"应的上下文。
16、 如权利要求 13所述的临时标识符获取装置, 其特征在于, 还包括发 送单元, 用于广播获取到的所述临时标识符, 并发送与所述临时标识符关联 的用户数据。
17、 如权利要求 16所述的临时标识符获取装置, 其特征在于, 所述发送 单元进一步用于, 生成用户数据包, 所述用户数据包中携带与所述临时标识 符中的一个临时标识符对应的用户数据, 并通过 HS-PDSCH信道发送生成的 用户数据包。
18、 如权利要求 13所述的临时标识符获取装置, 其特征在于, 还包括: 释放单元, 用于将所述临时标识符以及所述临时标识符与用户数据的关 联关系进行释放。
19、 一种临时标识符发送装置, 包括分配单元, 其特征在于, 还包括发 送单元, 其中
分配单元, 用于为无线资源控制连接状态下的用户分配无线网络临时标 识符;
发送单元, 用于将所述分配单元分配的所述临时标识符发送到基站。
20、 如权利要求 19所述的临时标识符发送装置, 其特征在于, 所述发送 单元为数据发送单元, 用于发送数据帧, 其中携带所述临时标识符。
21、 如权利要求 19所述的临时标识符发送装置, 其特征在于, 还包括: 信令发送单元, 用于向基站发送信令, 其中携带所述分配单元分配的临 时标识符。
PCT/CN2008/000282 2007-02-05 2008-02-03 Procédé et dispositif pour acquérir un identifiant temporaire WO2008098477A1 (fr)

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CN102223621B (zh) 2010-04-13 2016-03-30 华为技术有限公司 一种分配网络临时标识的方法和系统
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CN102065487B (zh) * 2010-12-06 2014-04-02 大唐移动通信设备有限公司 复位用户的方法及设备
CN102595639B (zh) * 2011-01-05 2017-03-15 中兴通讯股份有限公司 业务数据的传输方法及系统
CN104221409B (zh) * 2013-04-15 2018-04-27 华为技术有限公司 数据传输方法、装置、网络侧设备及终端
CN106171035B (zh) * 2014-12-31 2019-10-22 华为技术有限公司 一种状态迁移的方法、装置及系统
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