CN1871804B - Outer coding methods for broadcast/multicast content and related apparatus - Google Patents

Outer coding methods for broadcast/multicast content and related apparatus Download PDF

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CN1871804B
CN1871804B CN 200480030786 CN200480030786A CN1871804B CN 1871804 B CN1871804 B CN 1871804B CN 200480030786 CN200480030786 CN 200480030786 CN 200480030786 A CN200480030786 A CN 200480030786A CN 1871804 B CN1871804 B CN 1871804B
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information
block
rows
row
outer code
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CN 200480030786
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CN1871804A (en
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A·H·瓦亚诺斯
F·格里尔里
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高通股份有限公司
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Priority to US10/922,424 priority
Priority to US10/922,424 priority patent/US7318187B2/en
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Priority to PCT/US2004/027223 priority patent/WO2005022814A1/en
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Abstract

Transmission techniques are provided that improve service continuity and reduce interruptions in delivery of content that can be caused by transitions that occur when the User Equipment (UE) moves from one cell to the other, or when the delivery of content changes from a Point-to-Point (PTP) connection to a Point-to-Multipoint (PTM) connection in the same serving cell, and vice-versa. Such transmission techniques enable seamless delivery of content across cell borders and/or between different transmission schemes such as Point-to-Multipoint (PTM) and Point-to-Point (PTP). Mechanisms for adjusting different streams and for recovering content from each data block during such transitions are also provided so that data is not lost during a transition. In addition, mechanisms for realigning data during decoding at a receiving terminal are also provided.

Description

广播/多播内容的外部编码方法及其相关装置[0001 ] 根据35 US C § 119的优先权要求 Broadcast / outer-coding method and apparatus of the multicast content [0001] The Priority 35 US C § 119 requirements

[0002] 本专利申请要求2003年8月21日提交的、题为“Method andApparatus for Seamless Delivery of Broadcast and Multicast ContentAcross Cell Borders and/or Between Different Transmission Schemes,,的临时申请No. 60/497,457 禾口2003 年8 月21 日提交的、题为“L2 Designfor Outer Coding Scheme”的临时申请No. 60/497,456 的优先权,这两篇申请都可以转让给本申请的受让人,故以引用方式并入此处。 发明领域 [0002] This patent application claims filed August 21, entitled "Method andApparatus for Seamless Delivery of Broadcast and Multicast ContentAcross Cell Borders and / or Between Different Transmission Schemes ,, Provisional Application No. 60 / 497,457 Hekou of August 21, 2003 submitted provisional application No. entitled "L2 Designfor Outer Coding Scheme" of No. 60 / 497,456, which both applications are assigned to the assignee of the present application, it is herein incorporated by reference. field of the invention

[0003] 本发明一般涉及通信系统,尤其涉及广播和多播内容的传送。 [0003] The present invention relates generally to communication systems, and more particularly, to a broadcast transmitting multicast content. 技术背景 technical background

[0004] 过去,无线通信系统用来承载话音业务和低数据速率的非话音业务。 [0004] In the past, the wireless communication system used to carry voice traffic and low data rate non-voice traffic. 今天,所实现的无线通信系统还需要承载高数据速率(HDR)多媒体业务,如视频、数据和其他类型的业务。 Today, wireless communication systems need to achieve high data rate bearer (HDR) multimedia services, such as video, data and other types of traffic. 多媒体广播多播服务(MBMS)信道可用来传输基于话音、音频和视频数据源的流式应用,如无线电广播、电视广播、电影以及其他类型的音频或视频内容。 Multimedia broadcast multicast service (MBMS) channel is used to transmit voice-based streaming applications, audio and video data sources such as radio broadcasts, television broadcasts, movies, and other types of audio or video content. 流式数据源可以容忍延迟和一定量的损失或比特差错,因为这些信源有时断断续续并且通常是压缩的。 Streaming data source can tolerate a certain amount of delay and loss or bit errors, because these sources may be intermittent and usually compressed. 因此,到达无线接入网(RAN)的传输的数据速率可能变数很大。 Thus, the data rate reaches the radio access network (RAN) variable transmission may be large. 因为应用缓冲器通常是有限的,所以,需要支持可变信源数据速率的MBMS传输机制。 Because the application buffer is often limited, so the need to support the variable data rate of the source of MBMS transmission mechanism.

[0005] 通常,基站通过发送信息信号,向用户站提供这样的多媒体通信服务,信息信号常可被组织成多个分组。 [0005] Generally, the base station transmits an information signal to provide multimedia communication services to the subscriber stations, the information signal is often organized into a plurality of packets. 一个分组可以是一组字节,包括排列成特定格式的数据(负荷)和控制元素。 A packet may be a group of bytes, including data arranged in a specific format (load) and control elements. 控制元素可以包括,例如,前导码和质量度量标准,质量度量标准可以包括循环冗余校验(CRC)、奇偶校验位和其他类型的度量标准。 Control elements may include, for example, a preamble and a quality metric, the quality metrics may include Cyclic Redundancy Check (the CRC), parity and other types of metrics. 根据通信信道结构,通常将多个分组格式化成一条消息。 The traffic channel configuration, usually formatted into a plurality of message packets. 该消息在发起终端和目的终端之间传播,并且,可能会受到通信信道特性的影响,例如信噪比、衰落、时间变化以及其他这样的特性。 The messages between the originating terminal and the destination terminal propagate, and may be affected by channel characteristics of the communication channel, for example signal to noise ratio, fading, time, and other such characteristics. 这些特性在不同的通信信道中对调制信号产生不同的影响。 These characteristics have different effects on the signal modulation at different communication channels. 在其他考虑中,通过无线通信信道传输调制信息信号需要选择适当的方法,以便于保护调制信号中的信息。 In other considerations, via a wireless communication channel modulated by the information necessary to select the appropriate method in order to protect the information in the modulated signal. 这样的方法包括,例如,编码、符号重复、 交织以及本领域技术人员所知的其他方法。 Such methods include, e.g., encoding, symbol repetition, interleaving, and other methods known to the skilled person. 但是,这些方法会增加开销。 However, these methods increase overhead. 因此,必须在消息传送的可靠性和开销量之间做出工程折衷。 Therefore, we must make a trade-off between reliability and engineering overhead messaging.

[0006] 运营商通常根据对接收MBMS内容感兴趣的用户站或用户设备(UE),在逐个蜂窝的基础上,选择点到点(PTP)连接或点到多点(PTM)连接。 [0006] Operators typically based on the user station or user equipment for receiving the MBMS content of interest (the UE), a cellular case basis based on the selected point (PTP) connection or multipoint (PTM) connection.

[0007] 点到点(PTP)传输使用专用信道,将服务发送给覆盖区域中所选的用户。 [0007] The point to point (PTP) transmission using a dedicated channel, the user sends to the service coverage area selected. “专用” 信道承载来自单个用户站的信息/发往单个用户站的信息。 "Dedicated" channel carries information from a single subscriber station / user information destined for the individual stations. 在点到点(PTP)传输中,可以使用单个信道向每个移动站进行传输。 In the point to point (PTP) transmission, it may be transmitted to each mobile station using a single channel. 在前向链路或下行链路方向,例如,通过名为专用业务信道(DTCH)的逻辑信道,可以发送一种用户服务的专用用户业务流。 The forward or downlink direction, e.g., through a logical channel called a dedicated traffic channel (DTCH), and can transmit a user-dedicated user traffic flows and services. 点到点(PTP)通信服务通常是最高效的,例如,如果覆盖区域内要求特定广播多播服务(MBMS)的用户不太多的话。 Point to point (PTP) communication service is generally the most efficient, for example, if the requirements of a particular broadcast and multicast service (MBMS) within the coverage area of ​​a user without too many words. 在这种情况下,可以采用点到点(PTP)传输,其中,基站仅向请求了该服务的特定用户发送该服务。 In this case, the point to point (PTP) transmission, wherein, the base station only to a particular user requested the service transmits the service. 例如,在WCDMA系统中,在超过预定数量的移动站之前,使用专用信道或点到点(PTP)传输更高效。 For example, in a WCDMA system, before the mobile station exceeds a predetermined number, using a dedicated channel or a point to point (PTP) transmission is more efficient.

[0008] “广播通信”或“点到多点(PTM)通信”是通过一条公共通信信道向多个移动站进行的通信。 [0008] "Broadcast communications" or "point to multipoint (PTM) communication" is a communication to a plurality of mobile stations through a common communication channel. 一条“公共”信道承载来自多个用户站的信息/发往多个用户站的信息,因此可同时由数个终端使用。 A "common" channel carries information from a plurality of user stations / send information to a plurality of subscriber stations, and therefore can be used simultaneously by several terminals. 在点到多点(PTM)通信服务中,例如,如果请求某一服务的用户数量超过了基站覆盖区域内的特定门限数量,则蜂窝基站可以在一条公共信道上广播多媒体通信服务。 In multipoint (PTM) communication service, e.g., the number of users if the requested service exceeds a certain threshold number within the base station coverage area, the base station may be a common channel broadcast multimedia communication services. 在CDMA 2000系统中,通常用广播或点到多点(PTM)传输来取代PtP传输,因为PtM无线载体(radiobearer)几乎与PtP无线载体一样地高效。 In the CDMA 2000 system, typically using a broadcast or point to multipoint (PTM) transmission instead of PtP transmission because almost as efficient as PtP radio bearer PtM radio bearer (radiobearer). 来自一个特定基站的公共信道传输不必与来自其他基站的公共信道传输同步。 A common channel transmissions from a particular base station is not necessarily synchronized to a common channel transmissions from other base stations. 在一个典型的广播系统中,一个或多个中央站向一个广播网内的用户提供内容。 In a typical broadcast system, one or more central stations providing content to users in a broadcast network. 中央站可以向所有用户站或一组特定的用户站发送信息。 The central station can send information to all subscriber stations or a specific set of user stations. 对某一广播服务感兴趣的每个用户站监视公共前向链路信号。 For each subscriber station to a public interest broadcasting service monitors the forward link signal. 可以在下行链路或前向公共链路上发送点到多点(PTM)传输。 It may send a point to multipoint (PTM) transmission to the common link in the downlink or forward. 该公共广播前向链路信号通常在单向信道上广播,如存在于前向链路或“下行链路”方向的公共业务信道(CTCH)。 The former is usually a one-way public broadcasting channel broadcast forward link signal, such as is present in the forward link or "downlink" the direction of a common traffic channel (CTCH). 由于该信道是单向的,所以,用户站通常不与基站通信,因为允许所有用户单元向基站回传信息可能会使通信系统超载。 Since the channel is unidirectional, the subscriber station does not normally communicate with the base station, because the subscriber units to the base station allows all feedback information communication system may cause overload. 因此,对于点到多点(PTM)通信服务,当用户站接收的信息中有差错时,用户站可能无法向基站回传信息。 Thus, for a point to multipoint (PTM) communication service, when the subscriber station receives information of an error, the subscriber station may be unable to return to the base station. 因此,其他信息保护手段可能会更好。 Thus, other means of information protection could be better.

[0009] 在CDMA 2000系统中,用户站可以在点到多点(PTM)传输中进行软组合(soft combine)。 [0009] The subscriber station may soft combine (soft combine) the point to multipoint (PTM) transmissions in a CDMA 2000 system. 即使采取了保护信息信号的措施,通信信道的状况也可能下降,从而导致目的站无法对通过专用信道传输的一些分组进行解码。 Even with measures to protect the information signal, the condition of the communication channel may also be decreased, resulting destination can not be decoded by some of the packets transmitted over the dedicated channel. 在这种情况下,一种解决办法是:通过使用目的(用户)站向发起站(基站)发出的自动重传请求(ARQ),简单地重传未解码的分组。 In this case, a solution is: by using the object (user) station automatic repeat requests to the initiating station (base station) (the ARQ), simply retransmit packets not decoded. 重传有助于保证数据分组的传送。 Retransmission helps ensure the transmission of data packets. 如果无法正确传送数据,则可以通知发送端中的RLC用户。 If the data can not be transmitted correctly, the RLC may inform the user on the sending side.

[0010] 在很多情形中,用户站通常要进行转换。 [0010] In many cases, the subscriber station usually be converted. 这些转换可以按照不同的方式进行分类。 These conversions can be classified in different ways. 例如,转换可分为“交叉转换”和“直接转换”。 For example, the conversion can be divided into "cross-conversion" and "direct conversion." 转换也可以分为“蜂窝内”转换和“蜂窝间” 转换。 Conversion may also be divided into "the cell" and conversion "between cellular" conversion.

[0011] 蜂窝之间或传输机制之间的转换可能会导致服务中断,这不是用户所期望的。 [0011] conversion between between cellular or transport mechanism may result in a service interruption, which is not desired by the user. 当用户站或用户设备(UE)从一个蜂窝移动到另一个蜂窝时或者多媒体广播多播服务(MBMS) 内容传送在服务蜂窝内从一种模式变成另一种模式时,可能会出现问题。 When a user station or user equipment (UE) moves from one cell to another or a multimedia broadcast multicast service (MBMS) transmission in the serving cell content becomes from one mode to another, problems may occur. 来自相邻蜂窝的传输彼此之间可能会有时间偏移量Atl。 Transmissions from neighboring cells may be a time offset between each other Atl. 此外,在转换期间可能会引入附加的延迟,因为移动站需要确定目标蜂窝中的系统信息,这需要特定量的处理时间At2。 Furthermore, during the conversion may introduce additional delay, since the mobile station needs to determine the system information in the target cell, which requires a certain amount of processing time At2. 从不同蜂窝(或不同传输信道类型的点到点(PTP)/点到多点(PTM))传输的数据流相互之间存在偏移。 There is an offset from each other from different cells (or a different type of transport channel track point (PTP) / multipoint (the PTM)) the transmitted data stream. 因此,在从不同蜂窝进行点到多点(PTM)传输期间,移动站可能会两次收到相同的内容块,或者,可能会丢失有些内容块,就服务质量而言,这些不是所期望的。 Thus, during the conduct multipoint (PTM) transmissions from different cells, the mobile station may receive the same content block twice or may lose some pieces of content, in terms of quality of service it, these are not desirable . 蜂窝之间和/或点到点(PTP)传输和点到多点(PTM)传输之间的转换,可能会导致服务的中断,这取决于转换的持续时间和传输之间的延迟或失准。 And / Point to Point (PTP) transmission conversion between cellular or between transmission and multipoint (PTM), may result in interruption of service, depending on the delay or misalignment between the duration of the conversion and transmission of .

[0012] 因此,本领域中需要能够提高服务连续性和减少在内容传送期间当用户设备(UE) 从一个蜂窝移动到另一蜂窝时出现的转换所导致的或者内容传送在同一服务蜂窝从点到点(PTP)连接变成点到多点(PTM)连接和从点到多点(PTM)连接变成点到点(PTP)连接时出现的转换所导致的中断的传输技术。 [0012] Thus, the present art capable of increasing and decreasing during the service continuity when a content transmitting user equipment (UE) conversion appears to move from one cell or another cell resulting in the same serving cell content delivery from point point (PTP) connection becomes multipoint (PTM) connection and a connection from the point to multipoint (PTM) becomes point (PTP) connection converted occur resulting interrupt transmission technology. 优选情况下,这些传输技术能够实现跨越蜂窝边界和/或在诸如点到多点(PTM)和点到点(PTP)之类的不同传输机制之间的无缝内容传送。 Preferably, these transmission technology enables the cell edge and / or seamless content transfer between different transport mechanisms, such as a point to multipoint (PTM) and Point to Point (PTP) or the like across. 人们还希望获得在这些转换期间调整不同流和从各数据块中恢复出内容从而确保在转换期间不丢失数据的机制。 It is also desirable to adjust the different streams obtained during the conversion and recover from the contents of each data block to ensure that the mechanism without loss of data during the conversion. 此外,人们还希望提供在接收终端中的解码期间重新校准数据的机制。 In addition, it is also desirable to provide a mechanism for re-calibration during the decoding of data in the receiving terminal.

附图说明 BRIEF DESCRIPTION

[0013] 图1是一个通信系统的示意图; [0013] FIG. 1 is a schematic diagram of a communication system;

[0014] 图2是UMTS信令协议栈的框图; [0014] FIG. 2 is a block diagram of a UMTS signaling protocol stack;

[0015] 图3是UMTS协议栈的分组交换用户平面的框图; [0015] FIG. 3 is a block diagram of a packet switched UMTS user plane protocol stack;

[0016] 图4是UMTS信令协议栈的接入层部分的框图; [0016] FIG. 4 is a block diagram of the UMTS access stratum part of the signaling protocol stack;

[0017] 图5A是UMTS信令协议栈的无线链路控制(RLC)层中使用的数据传输模式和各层中使用的不同信道的框图; [0017] FIG 5A is a block diagram of an UMTS signaling protocol stack used in data transmission mode and a layer different channels of the respective layers used in radio link control (the RLC);

[0018] 图5B是包括各种RLC数据传输模式的无线链路控制(RLC)层的体系结构的框图; [0018] FIG 5B is a data transmission mode includes various RLC block diagram of the architecture of a radio link control layer (RLC);

[0019] 图5C是实现无线链路控制(RLC)确认模式(AM)的实体的框图; [0019] FIG 5C is a block diagram of wireless link control entity (RLC) Acknowledged Mode (AM) is;

[0020] 图6是具有前向纠错层的修改UMTS协议栈的示意图; [0020] FIG. 6 is a diagram of a modification having a forward error correction UMTS protocol stack layer;

[0021] 图7A示出了包括前向纠错(FEC)层的接入层的协议结构的一个实施例; A protocol structure of the embodiment [0021] FIG 7A illustrates an access layer forward error correction (FEC) comprising a front layer embodiment;

[0022] 图7B示出了包括前向纠错(FEC)层的接入层的协议结构的另一个实施例; [0022] FIG 7B illustrates an access layer forward error correction (FEC) comprising a front layer of another protocol structure of an embodiment;

[0023] 图8是信息块和与该信息块相对应的外部码块的示意图; [0023] FIG. 8 is a block and schematic diagram of the corresponding blocks of the outer code block;

[0024] 图9A是可应用于多媒体广播多播服务(MBMS)数据的外部码块结构的示意图; [0024] FIG. 9A is a schematic view of MBMS applied outer code block structure (MBMS) data services;

[0025] 图9B是图9A的外码码块结构的示意图,其中每个传输时间间隔(TTI)内发送多行; [0025] FIG 9B is a schematic view of an outer code block code structure of FIG. 9A, wherein each transmission time interval (TTI) in the transmission plurality of rows;

[0026] 图9C是图9A的外码码块结构的示意图,其中在多个传输时间间隔(TTI)内发送各行; [0026] FIG. 9C is a schematic view of an outer code block code structure of FIG. 9A, wherein a plurality of transmission time interval (TTI) the transmission of each row;

[0027] 图IOA和IOB是前向纠错层生成的外部码块的示意图; [0027] FIGS. IOA and IOB are schematic block outer code forward error correction layer formed;

[0028] 图11是在RLC UM+实体中使用的前向纠错(FEC)层的一个实施例; [0028] FIG. 11 is an embodiment of a forward error correction (FEC) layer prior to use of the entity in the RLC UM +;

[0029] 图12A示出了根据外部码块的行尺寸固定的数据单元创建外部码块的编码过程; [0029] FIG. 12A shows the outer code encoding process unit creates data blocks according to a fixed outer code block row size;

[0030] 图12B示出了图12A中的通过无线传输的信息示例; [0030] FIG 12B illustrates an example of wireless transmission of information through FIG. 12A;

[0031] 图13示出了创建具有可变行尺寸的外部码块的过程; [0031] FIG. 13 shows a process to create an external line code having a variable block sizes;

[0032] 图14是前向纠错(FEC)报头格式的一个实施例的示意图; [0032] FIG. 14 is a schematic diagram of one embodiment of a header format of a forward error correction (FEC) before;

[0033] 图15示出了使移动站将解码延迟不同逻辑流之间的时间偏移量的算法; [0033] FIG. 15 shows a mobile station to a decoding delay time between different logical stream offset algorithm;

[0034] 图16的示意图给出了当移动站在接收一个来自蜂窝A的点到多点(PTM)传输和接收另一个来自蜂窝B的点到多点(PTM)传输之间转换时移动站接收的外部码块之间的时间关系; Schematic [0034] FIG. 16 shows when the receiving mobile station between a cellular from A point to multipoint (PTM) transmission and reception of the other point to multipoint (PTM) transmission from the cellular conversion of the mobile station B the relationship between the external time code block is received;

[0035] 图17的示意图给出了当在点到多点(PTM)传输和点到点(PTP)传输之间出现转换时移动站接收的外部码块之间的时间关系;以及 Schematic [0035] FIG. 17 shows the relationship between the external time code block when conversion occurs between multipoint (PTM) transmission and point to point (PTP) transmission received from the mobile station; and

[0036] 图18的示意图给出了在一个来自无线网络控制器(RNC)A的点到点(PTP)传输和另一来自无线网络控制器(RNC)B的点到多点(PTM)传输之间进行转换或重新定位期间移动站收到的外部码块之间的时间关系。 Schematic [0036] FIG. 18 shows from point to point in a radio network controller (RNC) A is (PTP), and the other point to multipoint transmission from a radio network controller (RNC) B is (PTM) transmission conversion or repositioning time relationship between the outer code block is received between the mobile station during. 具体实施方式 detailed description

[0037] 这里使用的“示例性的” 一词意味着“用作例子、例证或说明”。 [0037] As used herein, "exemplary" is used herein to mean "serving as an example, instance, or illustration." 这里被描述为“示例性”的任何实施例或设计不应被解释为比其他实施例或设计更优选或有优势。 It described herein as "exemplary" Any embodiment or design should not be construed as embodiments or designs other than the preferred or advantageous embodiments.

[0038] 在这里,术语“移动站”可以与术语“目的站”、“用户站”、“用户单元”、“终端”和“用户设备(UE) ”互换地使用,并且在这里用于指硬件,如基站,诸如UMTS陆地无线接入网(UTRAN)之类的接入网与其通信。 [0038] Here, the term "mobile station" with the term "destination", "subscriber stations", "subscriber unit", "terminal" and "user equipment (the UE)" are used interchangeably herein and for It refers to the hardware, such as base stations, such as UMTS terrestrial radio access network in communication with access network (UTRAN) or the like. 在UMTS系统中,用户设备(UE)是一种使用户能够访问UMTS网络服务的装置,优选还包括USIM,其包含用户的订购信息。 In the UMTS system, a user equipment (UE) is a UMTS network enables users to access services apparatus preferably further comprises the USIM, which contains a user's subscription information. 移动站可以是移动的或静止的,并且,通常可以包括任何通话装置、数据装置或终端,其通过无线信道或有线信道进行通信,例如,使用光纤或同轴电缆。 The mobile station may be mobile or stationary, and may generally include any communication device, the data device or terminal that communicates through a wireless channel or a wired channel, for example, using fiber optic or coaxial cables. 移动站可以位于包括但不限于PC、小型闪卡、外置或内置调制解调器或无线或有线电话等装置中。 The mobile station may be located but not for PC, compact flash card, external or internal modem, or wireless or wireline phone like device.

[0039] 术语“连接建立状态”指的是移动站在与基站建立活动业务信道连接的过程中所处的状态。 [0039] The term "connection setup state" refers to a state of the mobile station establishing an active traffic channel connection with a base station in which the process.

[0040] 术语“业务状态”指的是移动站已经与基站建立了活动业务信道连接所处的状态。 [0040] The term "operational state" refers to a base station and mobile station has established an active traffic channel connection state is located.

[0041] 这里使用的术语“通信信道”用于根据上下文表示物理信道或逻辑信道。 [0041] As used herein, the term "communication channel" is used to represent the context physical channel or a logical channel.

[0042] 这里使用的术语“物理信道”指的是通过空中接口承载用户数据或控制信息的信道。 [0042] The term "physical channel" refers to the interface carries user data or control information over the air channel. 物理信道是提供无线平台的“传输媒介”,其实际传输信息,且用于通过无线链路承载信令和用户数据。 Physical channel is a wireless platform "transmission medium", the actual information transfer, and for carrying signaling and user data over a wireless link. 物理信道通常包括频率加扰码和信道化码的组合。 Physical channel typically comprises a combination of frequency scrambling code and channelization code. 在上行链路方向,也可以包括相对相位。 In the uplink direction, relative phase can also comprise. 基于移动站试图干什么,可以在上行链路方向中使用多个不同的物理信道。 Mobile station attempts to do, can use a plurality of different physical channels in the uplink direction based. 在UMTS系统中,术语“物理信道”也可能指在Uu接口上分配用于不同目的的不同种类的带宽。 In a UMTS system, the term "physical channel" may also refer to the Uu interface in different kinds of bandwidth is allocated for different purposes. 物理信道构成了用户设备(UE)域和网络接入域之间的Uu接口的物理存在。 Physical channel configuration of a user equipment (UE) Uu physical interface between the domain and the access domain network exists. 物理信道可以通过物理映射和用于通过空中接口传输数据的属性来定义。 Physical channel mapping may be defined by the physical properties and for transmitting data over the air interface.

[0043] 这里使用的术语“传输信道”指的是对等物理层实体之间数据传输的通信路线。 [0043] As used herein, the term "transport channel" refers to a communication route for data transmission between peer physical layer entities. 传输信道涉及信息传输方式。 Transport channel information relates to transmission. 通常,有两种类型的传输信道,即:公共传输信道和专用传输信道。 Typically, there are two types of transport channels, namely: common transport channels and dedicated transport channels. 传输信道可通过如何在物理层上通过空中接口传输数据及其特性来进行定义,例如, 是否使用专用或公共物理信道,或,复用逻辑信道。 How the transport channels may be performed by the physical layer and the data transmission via an air interface defined characteristics, for example, whether using dedicated or common physical channels, or multiplexing of logical channels. 传输信道可用作物理层的服务接入点(SAP)。 Transmission channels can be used as a physical layer service access point (SAP). 在UMTS系统中,传输信道描述了如何传输逻辑信道以及将这些信息流映射成物理信道。 In the UMTS system, transmission channel and describes how to transmit logical channels to physical channels mapped to the information stream. 传输信道可用来在媒体接入控制(MAC)层和物理层(Li)之间承载信令和用户数据0。 Transmission channels can be used in a media access control (MAC) carrying signaling and user data between 0 and physical layers (Li). 无线网络控制器(RNC)监视传输信道。 (RNC) monitors the transmission channel radio network controller. 通过可映射到物理信道的多个传输信道中的任意之一,信息从物理层传递到MAC层。 Can be mapped to by any one of a plurality of transport channels to physical channels, information is transmitted from the physical layer to the MAC layer.

[0044] 这里使用的术语“逻辑信道”指的是专用于特定类型信息传输的信息流或无线接口。 [0044] As used herein, the term "logical channel" refers to a stream dedicated to a particular type of information transmission or wireless interface. 逻辑信道与正在传输的信息有关。 Logical and relevant information is being transmitted. 逻辑信道可以通过传输信息的类型来定义,例如,信令或用户数据,并且,可理解为网络和终端应当在不同时间点执行的不同任务。 It may be defined by a logical channel type of the transmission information, e.g., signaling or user data, and should be understood that different tasks performed by the network and the terminal at different time points. 可将逻辑信道映射到传输信道,后者在移动站域和访问域之间执行实际的信息传输。 Logical channels may be mapped to the transport channel, which performs the actual transfer of information between the mobile station domain and the access domain. 信息经过逻辑信道传输,逻辑信道可通过传输信道映射,传输信道可映射到物理信道。 Information through logical channels, logical channels can be mapped through a transport channel, a transport channel may be mapped to the physical channel.

[0045] 这里使用的术语“专用信道”指的是通常专用于或预留给特定用户的信道,其承载信息发向或来自特定移动站、用户单元或用户设备。 [0045] As used herein, the term "dedicated channel" refers generally to a dedicated or reserved for a particular user channel, which carries the information sent to or from the particular mobile station, a subscriber unit, or user equipment. 专用信道通常承载指向给定用户的信息,包括实际服务的数据以及高层控制信息。 Dedicated channel normally carries information available to a given user, including the actual service and higher layer control information data. 专用信道可用特定频率上的特定代码来标识。 Specific code dedicated channel available to identify a particular frequency. 专用信道可以双向的,从而潜在地支持反馈。 A dedicated channel can be bi-directional, thereby potentially support feedback.

[0046] 这里使用的术语“公共信道”指的是承载发向/来自多个移动站的信息的传输信道。 [0046] The term "public channel" refers to a carrier to send / transmit channel information from a plurality of mobile stations. 在公共信道中,信息可在多个移动站之间共享。 In common channel, information can be shared among multiple mobile stations. 公共信道可以在一个蜂窝中的所有用户或一组用户之间划分。 Common channel in a cell may be divided among all of the user or group of users.

[0047] 这里使用的术语“点到点(PTP)通信”指的是通过专用物理通信信道到单个移动站传输的通信。 [0047] The term used herein "point to point (PTP) communication" refers to a physical communication channel dedicated to the communication of a single mobile station transmissions.

[0048] 这里使用的术语“广播通信”或“点到多点(PTM)通信”指的是通过公共通信信道到多个移动站的通信。 [0048] As used herein, the term "broadcast communication" or "point to multipoint (PTM) communication" refers to a common communication channel by the plurality of mobile communication stations.

[0049] 这里使用的术语“反向链路或上行链路信道”指的是一条通信信道/链路,移动站通过它向无线接入网中的基站发送信号。 [0049] As used herein, the term "reverse link or uplink channel" means a communication channel / link through which the mobile station transmits a signal to the base station in the radio access network. 该信道也可用于从移动站向移动基站或从移动基站向基站传输信号。 The channel may also be used from a mobile station to a mobile base station or from the mobile station to the base station transmitted signals.

[0050] 这里使用的术语“前向链路或下行链路信道”指的是一条通信信道/链路,无线接入网通过它向移动站发送信号。 [0050] As used herein, the term "forward link or downlink channel" refers to a communication channel / link, transmits a signal to the radio access network through which the mobile station.

[0051] 这里使用的术语“传输时间间隔(TTI) ”指的是数据从高层到达物理层的时间。 [0051] The term used herein "transmission time interval (the TTI)" refers to the time the data reaches the physical layer from the top. 传输时间间隔(TTI)可以表示传输块集(TBS)的到达间隔时间,并且,约等于物理层在无线接口上传输TBS的周期。 Transmission time interval (TTI) may represent a transport block set (TBS) arrival interval, and approximately equal to the physical layer on the radio interface TBS cycle. 可以对在一个TTI内在传输信道上发送的数据一起进行编码和交织。 And interleaving may be encoded with data transmitted in a TTI internal transport channels. 一个TTI可能横跨多个无线帧,并且可以是最小交织周期的整数倍。 TTI may span a plurality of radio frames, and may be an integer multiple of the minimum interleaving period. 对于单个连接,可以复用到一起的不同传输信道的TTI的开始位置进行时间校准。 For a single connection, the start position of the TTI may be different transport channels multiplexed together with time calibration is performed. 多个TTI有一个公共开始点。 TTI has a more common starting point. 在每个TTI内,媒体接入控制将一个传输块集传递到物理层。 Within each TTI, to a medium access control transport block set is transmitted to the physical layer. 映射到相同物理信道上的不同传输信道可以具有不同的传输时间间隔(TTI)持续时间。 Different transport channels are mapped to the same physical channel may have a different transmission time interval (TTI) duration. 在一个TTI内,可以发送多个PDU。 In a TTI, you can send multiple PDU.

[0052] 这里使用的术语“分组”指的是一组比特,包括以特定格式排列的数据或负载和控制元素。 [0052] As used herein, the term "packet" refers to a group of bits, including data arranged in a specific format and the control element or the load. 例如,控制元素可以包括前导码、质量度量标准和本领域技术人员所知的其他。 For example, the control element may include a preamble, a quality metric, and those skilled in the art other. 例如,质量度量标准包括循环冗余码校验、奇偶比特和本领域技术人员所知的其他。 For example, the quality metric comprises a cyclic redundancy check, and parity bits to those skilled in the art other.

[0053] 这里使用的术语“接入网”指的是用于接入网络所需的设备。 [0053] The term used herein "access network" refers to a device required for network access. 接入网包括多个基站(BS)和一个或多个基站控制器(BSC)。 An access network comprising a plurality of base stations (BS) and one or more base station controllers (BSC). 接入网在多个用户站之间传输分组。 Access network transport packets between multiple subscriber stations. 接入网还可连接到接入网之外的其他网络,如企业内部网或互联网,并且,可以在接入终端和这些外部网络之间传输分组。 Access network may also be connected to other networks outside the access network, such as a corporate intranet or the Internet, and may transport packets between the access terminal and such outside networks. 在UMTS系统中,接入网可被称为UMTS陆地无线接入网(UTRAN)。 In a UMTS system, the access network may be referred to as a UMTS Terrestrial Radio Access Network (UTRAN).

[0054] 这里使用的术语“核心网”指的是交换和路由能力,对于电路交换(CS)域内的电路交换呼叫,用于连接到公共交换电话网(PSTN),或者,,对于分组交换(PS)域内的分组交换呼叫,用于连接到分组交换数据网(PSDN)。 [0054] As used herein, the term "core network" refers to the switching and routing capability for circuit switched (CS) domain to a circuit switched call, for connection to a public switched telephone network (PSTN), packet switching or ,, ( packet PS) domain switched call, for connection to a packet switched data network (PSDN). 术语“核心网”还表示路由能力,用于移动和用户位置管理和认证服务。 The term "core network" said routing capabilities for mobile and location management and user authentication services. 核心网包括用于交换和用户控制所需的网络元素。 The core network comprises means for exchanging user and network elements required for the control.

[0055] 这里使用的术语“基站”指的是“发起站”,其包括与移动站进行通信的硬件。 [0055] As used herein, the term "base station" refers to the "initiating station", which includes hardware for communication with the mobile station. 在UMTS系统中,术语“节点B”可以与术语“基站”互换地使用。 In a UMTS system, the term "Node B" may be used interchangeably with the term "base station." 基站可以是固定的,也可以是移动的。 The base station may be fixed or may be mobile.

[0056] 这里使用的术语“蜂窝”指的是硬件或地理覆盖区域,这取决于使用该术语的上下文。 [0056] The term used herein "cell" refers to the hardware or a geographic coverage area, depending on the context in which the term is used.

[0057] 这里使用的术语“服务数据单元(SDU) ”指的是使用相关协议之上的协议交换的数 [0057] As used herein, the term "service data units (SDUs)" refers to the number using the protocol above protocol exchange associated

据单元。 According unit.

[0058] 这里使用的术语“负载数据单元(PDU) ”指的使是用相关协议之下的协议交换的数据单元。 [0058] As used herein, the term "load data units (PDUs)" means that the protocol is under the relevant protocol data units exchanged. 如果相关协议的身份不明确,则需要在名字中具体指出。 If the identity of the relevant agreement is not clear, we need to specifically pointed out in the name. 例如,FEC-PDU是FEC层的PDU。 For example, FEC-PDU is a PDU FEC layer.

[0059] 这里使用的术语“软切换”指的是在用户站和两个或更多个扇区之间的通信,其中,各扇区属于不同的蜂窝。 [0059] The term "soft handover" refers to communication between a subscriber station and two or more sectors, wherein each sector belongs to a different cell. 这两个扇区都可以接收反向链路通信可,前向链路通信可同时承载在两个或多个扇区的前向链路上。 Communication links the two sectors can receive reverse direction, the former can be simultaneously carried on the two or more sectors of the communication link to link.

[0060] 这里使用的术语“更软切换”指的是在用户站和两个或更多个扇区之间的通信,其中,各扇区属于相同的蜂窝。 [0060] As used herein, the term "softer handoff" refers to a communication between a subscriber station and two or more sectors, wherein each sector belongs to the same cell. 这两个扇区都可以接收反向链路通信可,前向链路通信可同时承载在这两个或多个扇区中之一的前向链路上。 Communication links the two sectors can receive reverse direction, the forward link communications can be simultaneously carried on the front of one of the two or more sectors to the link.

[0061] 这里使用的术语“删除信息(erasure) ”指的是未能识别某一消息,也可用于表示可能在解码时丢失的一组比特。 [0061] As used herein, the term "deletion information (Erasure)" refers to a failure to identify a message, it may also be used to indicate a set of bits that may be lost at the time of decoding.

[0062] 可将术语“交叉转换(cross transition) ”定义为:从点到点(PTP)传输变成点到多点(PTM)传输或从点到多点(PTM)传输变成点到点(PTP)传输的转换。 [0062] The term & can be "cross-conversion (cross transition)" is defined as: becomes multipoint (PTM) transmission from point to point (PTP) transmission from or into point-to-multipoint (PTM) transmission (PTP) transmission conversion. 四种可能的交叉转换是:从蜂窝A中的点到点(PTP)传输到蜂窝B中的点到多点(PTM)传输、从蜂窝A中的点到多点(PTM)传输到蜂窝B中的点到点(PTP)传输、从蜂窝A中的点到点(PTP)传输到蜂窝A中的点到多点(PTM)传输、从蜂窝A中的点到多点(PTM)传输到蜂窝A中的点到点(PTP)传输。 Four possible cross-conversion is: A is transmitted from the cellular point to point (PTP) to the cell B, point to multipoint (PTM) transmission, the transmission from the cell A in the point to multipoint (PTM) to the cell B the point to point (PTP) transmission, the transmission from the cell a in point (PTP) to the cell a in the point to multipoint (PTM) transmission, the transmission from the cell a in the point to multipoint (PTM) to a point in the cell (PTP) transmission.

[0063] 可将术语“直接转换(direct transition),,定义为:从一个点到点传输到另一点到点传输的转换,以及,从一个点到多点传输到另一点到多点传输的转换。两种可能的直接转换是从蜂窝A中的点到点(PTP)传输到蜂窝B中的点到点(PTP)传输和从蜂窝A中的点到多点(PTM)传输到蜂窝B中的点到多点(PTM)传输。 [0063] The term & can be "direct conversion (direct transition) ,, is defined as: from one point to another point to point transmission transmissions conversion, and, from a point-to-multipoint transmission is transmitted to another conversion. Two possible direct conversion is transmitted from the cell a in point (PTP) to the point B cell (PTP) transmission, and transmitted from the cell a multipoint (PTM) to the cell B the multipoint (PTM) transmission.

[0064] 术语“蜂窝间转换”用于表示跨越蜂窝边界的转换。 [0064] The term "inter-cell converter" is used to convert across cell boundaries. 四种可能的蜂窝间转换是: 从蜂窝A中的点到点(PTP)传输到蜂窝B中的点到点(PTP)传输、从蜂窝A中的点到多点(PTM)传输到蜂窝B中的点到多点(PTM)传输、从蜂窝A中的点到点(PTP)传输到蜂窝B中的点到多点(PTM)传输、从蜂窝A中的点到多点(PTM)传输到蜂窝B中的点到点(PTP)传输。 Four kinds of conversion are possible inter-cell: A cell is transferred from point to point (PTP) to the point B cell (PTP) transmission, the transmission from the cell A in the point to multipoint (PTM) to the cell B the multipoint (PTM) transmission, the transmission from the cell a in point (PTP) to the cell B, point to multipoint (PTM) transmission from the cell a multipoint (PTM) transmission the point B to the cellular (PTP) transmission. 通常,最频繁的转换是跨越蜂窝边界的从点到多点(PTM)传输到点到多点(PTM)传输的转换。 Typically, the most frequent transition across cell boundaries is transmitted from the point to multipoint (PTM) to multipoint (PTM) transmissions conversion.

[0065] 术语“蜂窝内转换”用于表示在一个蜂窝内从一种模式到另一种模式的转换。 [0065] The term "conversion within the cellular" is used in a cellular conversion from one mode to another mode. 两种可能的蜂窝内转换是:从蜂窝A中的点到点(PTP)传输到蜂窝A中的点到多点(PTM)传输和从蜂窝A中的点到多点(PTM)传输到蜂窝A中的点到点(PTP)传输。 Two possible within the cellular switch are: A cell is transferred from the point (PTP) to the cell A in the point to multipoint (PTM) transmissions and transmissions from the cell A in the point to multipoint (PTM) to the cell a point in (PTP) transmission.

[0066] 术语“无线载体(radio bearer) ”用于表示第二层提供的一种服务,用于在用户设备(UE)和UMTS陆地无线接入网(UTRAN)之间传输用户数据。 [0066] The term "radio bearer (radio bearer)" is used to indicate a service provided by the second layer for the transmission between the user equipment (UE) and the UMTS Terrestrial Radio Access Network (UTRAN) user data.

[0067] 在下面将要讨论的本发明实施例中,上面讨论的方面实现在WCDMA或UMTS通信系统中。 Embodiment of the present invention [0067] will be discussed below, the above-discussed aspects be implemented in WCDMA or UMTS communication system. 图1-5C示出了传统UMTS或WCDMA系统的一些方面,其中,这里描述的本发明的方面只是出于说明、而非限制目的。 FIG 1-5C illustrates some aspects of a conventional UMTS or WCDMA system in which aspects of the invention described herein for illustrative purposes only, and not limitation. 应当理解的是,本发明的各方面也适用于其他承载话音和数据的系统,如GSM系统和CDMA 2000系统,其遵从“第三代合作伙伴计划(3GPP) ”,包括在一组文档中,包括文档3G TS 25. 21U3G TS 25. 212、3G TS 25. 213 和3G TS 25. 214(W-CDMA 标准)或“TR-45.5 Physical Layer Standard for cdma2000 SpreadSpectrum Systems”(IS-2000 标准)和GSM 规范,如TS 04. 08(theMobile radio interface layer 3 specification)禾口TS 05. 01(Physical Layeron the Radio Path(General Description))。 It should be appreciated that aspects of the present invention is also applicable to other systems to carry voice and data, such as the GSM system and the CDMA 2000 system, which comply with the "Third Generation Partnership Project (3GPP)", comprising in a set of documents, includes a document 3G TS 25. 21U3G TS 25. 212,3G TS 25. 213, and 3G TS 25. 214 (W-CDMA standard), or "TR-45.5 Physical Layer standard for cdma2000 SpreadSpectrum Systems" (IS-2000 standard), and GSM specifications such as TS 04. 08 (theMobile radio interface layer 3 specification) Wo port TS 05. 01 (Physical Layeron the Radio Path (General Description)). [0068] 例如,尽管在说明书指出无线接入网20可用通用陆地无线接入网(UTRAN)空中接口来实现,但是,在GSM/GPRS系统中,接入网20可能是GSM/EDGE无线接入网(GERAN),或者,在系统间情况下,它可以包括UTRAN空中接口的蜂窝和GSM/EDGE空中接口的蜂窝。 [0068] For example, while indicating a radio access network 20 may Universal Terrestrial Radio Access Network (UTRAN) to implement the air interface, but in the specification, the GSM / GPRS system, access network 20 may be a GSM / EDGE Radio Access network (the GERAN), or, in the case where inter-system, which may include a cellular air interface and UTRAN cellular GSM / EDGE air interface.

[0069] UMTS网络拓扑 [0069] UMTS network topology

[0070] 图1是根据UMTS网络拓扑的通信系统的框图。 [0070] FIG. 1 is a block diagram of a communication system according to the UMTS network topology. UMTS系统包括用户设备(UE) 10、 接入网20和核心网30。 UMTS system includes a user equipment (UE) 10, the access network 20 and core network 30. UE 10连接到接入网20,接入网20连接到核心网30,核心网30可以连接到外部网络。 UE 10 is connected to the access network 20, the access network 20 is connected to a core network 30. The core network 30 may be connected to an external network.

[0071] UE 10包括移动设备12和通用用户识别模块(USIM) 14,包含用户的订购信息。 [0071] UE 10 includes a mobile device 12 and Universal Subscriber Identity Module (USIM) 14, contains a user's subscription information. Cu 接口(未显示)是USIM14和移动设备12之间的电气接口。 Cu interface (not shown) is an electrical interface between the mobile device and 12 USIM14. UE 10通常是让用户能够访问UMTS网络服务的设备。 UE 10 typically by getting the user to access UMTS network services equipment. UE 10可以是诸如蜂窝电话之类的移动站、固定站或其他数据终端。 The UE 10 may be a mobile station such as a cellular phone or the like, a fixed station or other data terminal. 例如,移动设备可以是无线终端,用于通过无线接口(Uu)进行无线通信。 For example, a wireless terminal may be a mobile device, for wireless communication over a wireless interface (Uu). Uu接口是UE访问系统的固定部分所要经过的接口。 Uu interface is a fixed part of the UE to access the system through an interface. USIM通常是驻留在“智能卡”或包括微处理器在内的其他逻辑卡上的应用。 USIM applications usually resides on a "smart card" card includes a microprocessor or other logic, including the. 智能卡保存用户身份、执行认证算法,并存储加密密钥中的认证和终端所需的订购信息。 Smart Card save the user identity, authentication algorithm execution, and needed to store the encryption key in the terminal authentication and ordering information.

[0072] 接入网20包括用于访问网络的无线设备。 [0072] The access network 20 comprises a wireless device for accessing the network. 在WCDMA系统中,接入网20是通用陆地无线接入网(UTRAN)空中接口。 In a WCDMA system, the access network 20 is the Universal Terrestrial Radio Access Network (UTRAN) air interface. UTRAN至少包括一个无线网络子系统(RNS),其包括至少一个基站或“节点B”22,连接到子少一个无线网络控制器(RNC)24。 UTRAN includes at least one radio network subsystem (RNS), which comprises at least one base station or "Node B" 22, connected to the sub least one radio network controller (RNC) 24.

[0073] RNC控制着UTRAN的无线资源。 [0073] RNC controls the radio resources of UTRAN. 接入网20的RNC 24通过Iu接口,与核心网30通信。 Access network 20 via a communication RNC 24 Iu interface with the core network 30. Uu接口26、Iu接口25、Iub接口和Iur接口可以实现来自不同厂商的设备间互联,且在3GPP标准中做了规定。 Uu interface 26, Iu interfaces 25, Iub interface and the Iur interface between devices from different vendors Internet, and is specified in the 3GPP standard. 无线网络控制器(RNC)的实现随厂商而变化,因此,会在下面做概括性的介绍。 Wireless network controller (RNC) varies with manufacturers, therefore, I would make a general introduction below.

[0074] 无线网络控制器(RNC) 24用作UMTS陆地无线接入网(UTRAN)的交换和控制单元,且位于Iub接口和Iu接口25之间。 [0074] Radio Network Controller (RNC) 24 is used as a UMTS Terrestrial Radio Access Network (UTRAN) and a switching control unit, and located between the Iu interface and the Iub interface 25. RNC是UTRAN向核心网30提供的所有服务的服务接入点,例如,到用户设备的连接的管理。 RNC is the UTRAN 30 provides to the core network service access point for all services, e.g., to the user equipment management connection. Iub接口23连接节点B 22和无线网络控制器(RNC) 24。 Iub interface Node B 22 and 23 connected to a radio network controller (RNC) 24. Iu接口将UTRAN连接到核心网。 UTRAN Iu interface to the core network. 无线网络控制器(RNC)提供Iu载体和基站之间的交换点。 A radio network controller (RNC) providing Iu switching point between the carrier and the base station. 用户设备(UE) 10可能有多个无线载体,位于它自己和无线网络控制器(RNC)24 之间。 The user equipment (UE) 10 may have a plurality of radio bearers, 24 located between itself and a radio network controller (RNC). 无线载体涉及用户设备(UE)上下文,是Iub为安排用户设备(UE)和无线网络控制器(RNC)之间的公共连接和专用连接而需要的一组定义。 It relates to a user equipment a radio bearer (UE) context is a set of definitions and Iub common connection and the dedicated connection between a radio network controller (RNC) and user equipment need to arrange (UE). 各RNC 24通过可选的Iur接口可以相互通信,从而支持连接到不同节点22的蜂窝之间的软切换。 Each RNC 24 may communicate through another optional Iur interface, to support soft handover between cells is connected to a different node 22. 因此,Iur接口可实现RNC间连接。 Thus, Iur interface can be implemented between the RNC. 在这种情况下,服务RNC维持到核心网30的Iu连接25,并执行选择器和外环功率控制功能,而偏移RNC经由一个或多个基站22,向移动站10传输可通过Iur接口交换的帧。 In this case, a serving RNC to a core network Iu 30 to maintain the connection 25, and a selector and performs outer loop power control function and the offset RNC 22 via one or more base stations, transmitting to the mobile station 10 via the interface Iur exchange of frames.

[0075] 控制着一个节点B 22的RNC可被称为节点B的控制RNC,它控制着其蜂窝的负载和拥塞,还执行准入控制,以及对于要在这些蜂窝内建立的新无线链路分配代码。 [0075] The RNC controls a Node B 22 is the controlling RNC may be referred to as Node B, which controls the load and congestion of its cell, and also performs admission control, and the new radio link is to be established within the cell to assigned code.

[0076] RNC和基站(或节点B)可通过Iub接口23进行连接和通信。 [0076] RNC and a base station (or Node B) can be connected via the Iub interface 23 and the communication. RNC控制着连接到特定RNC 24的各基站22的无线资源使用情况。 The RNC controls the radio resource usage of each connected base station 24 to a particular RNC 22. 各基站22控制着一个或多个蜂窝,并向移动站10提供无线链路。 Each base station 22 controls one or more cellular, provide wireless links to mobile station 10. 基站可执行接口处理,如信道编码和交织、速率适应和扩频。 The base station may perform interface processing such as channel coding and interleaving, rate adaptation and spreading. 基站还执行基本的无线资源管理操作,如内环功率控制。 The base station also performs basic radio resource management operations, such as the inner loop power control. 基站22转换Iub接口23和Uu接口26 之间的数据流。 The base station 22 converted the Uu interface Iub interface 23 and the data flow between 26. 基站22还参与无线资源管理。 The base station 22 is also involved in radio resource management. 空中接口Uu 26将各基站22连接到移动站10。 The air interface Uu 26 of each base station 22 is connected to the mobile station 10. 这些基站负责一个或多个蜂窝中到移动站10的无线传输,以及,一个或多个蜂窝中来自移动站10的无线接收。 These one or more cellular base station responsible for the radio transmission to the mobile station 10, and one or more cellular radio reception from the mobile station 10.

[0077] 核心网30包括所有交换和路由能力,用于:(1)如果存在电路交换呼叫,则连接到PSTN 42,如果存在分组交换呼叫,则连接到分组数据网(PDN) ; (2)移动和用户位置管理;(3认证服务。核心网30可能包括本地位置寄存器(HLR) 32、移动交换服务中心/拜访位置寄存器(MSC/VLR)34、网关移动交换中心(GMSC) 36、服务通用分组无线服务支持节点(SGSN) 38和网关GPRS支持节点(GGSN) 40。 [0077] The core network 30 includes all switching and routing, for: (1) If a circuit switched call is present, is connected to the PSTN 42, if a packet switched call is present, is connected to a packet data network (PDN); (2) mobile and subscriber location management;. (3 authentication service core network 30 may include a home location register (HLR) 32, a mobile switching Center / Visitor location register (MSC / VLR) 34, a gateway mobile switching Center (GMSC) 36, a serving general packet radio service support node (SGSN) 38 and gateway GPRS support node (GGSN) 40.

[0078] 核心网30可以连接到外部的电路交换(CS)网络42,后者提供电路交换连接,如公共交换电话网(PSTN)或(ISDN),如果存在分组交换呼叫的话,或者,可以连接到PS网络44,如提供分组数据服务连接的互联网,其,如果存在分组交换呼叫的话。 [0078] The core network 30 may be connected to an external circuit switched (CS) network 42, which provides circuit-switched connections, such as the public switched telephone network (PSTN) or (the ISDN), if there is a packet-switched call, then, or the connection may to the PS network 44, such as the Internet provide a packet data service connection, which, if present, then the packet switched call.

[0079] UMTS信令协议栈 [0079] UMTS signaling protocol stack

[0080] 图2是UMTS信令协议栈110的框图。 [0080] FIG. 2 is a block diagram of the UMTS signaling protocol stack 110. UMTS信令协议栈110包括接入层和非接入层(NAS)。 UMTS signaling protocol stack 110 includes an access layer and a non-access stratum (NAS).

[0081] 接入层(access statum)通常包括物理层120、第二层130以及无线资源控制(RRC)层160,第二层130包括媒体接入控制(MAC)层140和无线链路控制(RLC)层150。 [0081] Access Stratum (access statum) typically includes a physical layer 120, second layer 130 and a radio resource control (RRC) layer 160, second layer 130 includes a media access control (MAC) layer 140 and a radio link control ( RLC) layer 150. 下面将详细说明接入层的各层。 The layers will be described in detail the access layer.

[0082] UMTS非接入层(non-access statum)与GSM高层基本上相同,可分为电路交换部分170和分组交换部分180。 [0082] UMTS Non Access Stratum (non-access statum) level substantially the same as the GSM, can be divided into the circuit switched portion 170 and a packet switched portion 180. 电路交换部分170包括连接管理(CM)层172和移动管理(MM) 层178。 Circuit switched portion 170 includes a connection management (CM) layer 172 and a mobility management (MM) layer 178. CM层172处理电路交换呼叫,且包括各种子层。 CM circuit switched call processing layer 172, and includes various sublayers. 呼叫控制(CC)子层174执行建立和释放等功能。 Call control (CC) sublayer 174 performs functions such as establish and release. 补充业务(SS)子层176执行的功能如呼叫转移和三路呼叫。 Function supplementary service (SS) sublayer 176 executed as three-way calling and call transfer. 短消息服务(SMS)子层177执行短消息服务。 Short Message Service (SMS) sublayer 177 to perform a short message service. MM层178处理电路交换呼叫的位置更新和认证。 MM layer 178 is a circuit switched call processing location updating and authentication. 分组交换部分180包括会话管理(SM)子层182和GPRS移动管理(GMM)子层184。 Portion 180 includes a session management (SM) sublayer 182 and a GPRS mobility management (GMM) sublayer 184 packet switching. 会话管理(SM) 子层182通过执行建立和释放等功能,处理分组交换呼叫,还包括短消息服务(SMS) 183。 Session Management (SM) sublayer 182 performs functions such as establish and release, processing the packet switched call, further comprising a short message service (SMS) 183. GMM子层184处理分组交换部件的位置更新和认证。 GMM sublayer 184 process packet switched location updating and authentication components.

[0083] 图3是UMTS协议栈的分组交换用户平面的框图。 [0083] FIG. 3 is a block diagram of a UMTS protocol stack packet switched user plane. 该栈包括访问层(AS)和非访问层(NAS)。 The stack includes access layer (AS) and Non Access Stratum (NAS). NAS层包括应用层80和分组数据协议(PDP)层90。 The NAS layer 80 includes an application layer and a packet data protocol (PDP) layer 90. 应用层80是在用户设备(UE) 10和远程用户42之间提供的。 The application layer 80 is between the user equipment (UE) 10 and 42 provided by the remote user. PDP层90,如IP或PPP,是在GGSN 40和用户设备(UE) 10之间提供的。 PDP layer 90, such as IP or PPP, is between GGSN 40 and a user equipment (UE) 10 is provided. 低层分组协议(LLPP) 39是在远程用户42和SGSN 38之间提供的。 Low-level packet protocol (LLPP) 39 is between the remote user 42 and SGSN 38 is provided. Iu 接口协议25是在无线网络控制器(RNC)24和SGSN 38之间提供的,Iub接口协议是在无线网络控制器(RNC) 24和节点B 22之间提供的。 25 is an Iu interface protocol in a radio network controller (RNC) 24 and, Iub interface protocol is provided between the SGSN 38 between radio network controller (RNC) 24 and Node B 22 is provided. 下面将描述AS层的其他部分。 Below other portions of the AS layer will be described.

[0084]接入层(AS) [0084] The access stratum (AS)

[0085] 图4是UMTS信令协议栈的接入层的框图。 [0085] FIG. 4 is a block diagram of a UMTS access stratum signaling protocol stack. 传统的接入层包括物理层(Li) 120、数据链路层(L2) 130 (具有媒体接入控制(MAC)层140、无线链路控制(RLC)层150、分组数据会聚协议层156、广播/多播控制(BMC)层158等子层)以及无线资源控制(RRC)层160。 Traditional access layer comprises a physical layer (Li) 120, a data link layer (L2) 130 (layer 140, a radio link control (RLC) layer 150 having a media access control (the MAC), packet data convergence protocol layer 156, broadcast / multicast control (BMC) layer, sub-layer 158 and the like) and a radio resource control (RRC) layer 160. 下面进一步详细描述这些层。 These layers are described in further detail below.

[0086] 无线载体在应用层和第二层(L2) 130之间承载用户数据。 [0086] radio bearers carry user data between the application layer and the second layer (L2) 130. 控制平面信令161可用于所有UMTS特定控制信令,且包括信令载体中用于传输应用协议消息的应用协议。 Control plane signaling 161 may be used for all UMTS-specific control signaling, a signaling application protocol and comprising a carrier for transmitting the application protocol message. 应用协议可用于建立到UE 10的载体。 Application protocol may be used to establish the carrier the UE 10. 该用户平面传输由用户发送和接收的所有用户平面信息163,如话音呼叫中的编码话音或互联网连接中的分组。 All user plane to the user plane transmission information 163 transmitted and received by a user, such as coded voice in a voice call or packets of an Internet connection. 用户平面信息163承载数据流和这些数据流的数据载体。 The user plane information carrier 163 carrying data streams and data streams. 每个数据流可由专用于该接口的一个或多个帧协议来描述。 Each data stream may be dedicated to one or more of the frame protocol interface will be described.

[0087] 无线资源控制(RRC)层160是接入层的总体控制器,并配置接入层中的其他所有层。 [0087] Radio Resource Control (RRC) layer 160 is a general access control layer and all other layers disposed in the access layer. RRC层160生成控制平面信令161,后者控制无线链路控制单元152、物理层(Li) 120、 媒体接入控制(MAC)层140、无线链路控制(RLC)层150、分组数据会聚协议(PDCP)层156 和广播/多播控制(BMC)层158。 RRC layer 160 generates a control plane signaling 161, which controls the radio link control unit 152, a physical layer (Li) 120, a media access control (MAC) layer 140, Radio Link Control (RLC) layer 150, a packet data convergence layer 156 and the broadcast protocol (PDCP) / multicast control (BMC) layer 158. 无线资源控制(RRC)层160确定要进行测量的类型,并报告这些测量结果。 Radio Resource Control (RRC) layer 160 determines the type of measurement to be performed, and report the measurement result. RRC层160还用作非接入层的控制和信令接口。 RRC layer 160 also serves as a control and non-access stratum signaling interface.

[0088] 更具体地讲,RRC层160向所有用户设备(UE) 10广播系统信息消息,系统信息消息包括接入层和非接入层信息元素。 [0088] More specifically, RRC layer 160 to the 10 broadcast system information messages of all user equipments (UE), the system information message includes a non-access stratum and access stratum information element. RRC层160建立、维护和释放UTRAN 20和UE 10之间的无线资源控制(RRC)连接。 RRC layer 160 to establish, maintain and release the UTRAN radio resource control (RRC) connection between the 20 and the UE 10. UE RRC请求连接,而UTRAN RRC建立和释放连接。 UE RRC connection request, and the UTRAN RRC connection establishment and release. RRC层160 还建立、重新配置和释放UTRAN 20和UE 10之间的无线载体,由UTRAN 20启动这些操作。 RRC layer 160 also established, reconfiguration and release of radio bearer between the UTRAN 20 and the 10 UE, these operations are started by the UTRAN 20.

[0089] RRC层160还处理用户设备(UE) 10移动的各个方面。 [0089] RRC layer 160 also handles various aspects of the mobile user equipment 10 (UE). 这些过程取决于UE状态、 呼叫是电路交换还是分组交换呼叫以及新蜂窝的无线接入技术(RAT)。 These processes depend on the UE status, the call is a circuit switched or packet switched calls and new cellular radio access technology (RAT). RRC层160还寻呼UE 10。 RRC layer 160 also paged UE 10. UTRAN RRC寻呼UE,而不管该UE正在监听的是寻呼信道还是寻呼指示信道。 UTRAN RRC paging UE, regardless of whether the UE is listening to a paging channel or a paging indicator channel. UE的RRC通知核心网(CN) 30的上层。 UE's RRC notify the core network (CN) top 30.

[0090] 数据链路层(L2) 130包括媒体接入控制(MAC)子层140、无线链路控制(RLC)子层150、分组数据会聚协议(PDCP)子层156和广播/多播控制(BMC)子层158。 [0090] The data link layer (L2) 130 includes a media access control (MAC) sublayer 140, a radio link control (RLC) sublayer 150, (PDCP) sublayer 156 and a packet data convergence protocol broadcast / multicast control (BMC) sublayer 158.

[0091] 广播/多播控制(BMC) 158通过适应来自无线接口上广播域的广播/多播服务,在无线接口上传送从蜂窝广播中心发出的消息。 [0091] Broadcast / Multicast Control (BMC) 158 through a radio interface adapted to broadcast from a broadcast domain / multicast service, transmitting a message sent from the broadcast center in a cellular radio interface. BMC协议158提供名为“无线载体”的服务, 并存在于用户平面中。 BMC protocol service 158 named "radio bearer" and present in the user plane. BMC协议158和RNC存储通过CBC-RNC接收的蜂窝广播消息,以进行受调度传输。 BMC protocol 158 and the RNC stores the received CBC-RNC via cell broadcast message, for receiving scheduled transmission. 在UTRAN—端,BMC 158基于可通过CBC-RNC接口(未显示)接收的消息,计算蜂窝广播服务所需的传输速率,并从RRC请求适当的CTCH/FACH资源。 In UTRAN- side, BMC 158 may be based on the interface message by CBC-RNC receives (not shown), calculates the required transmission rate cell broadcast service, and to request the appropriate CTCH / FACH resources from the RRC. BMC协议158还通过CBC-RNC接口,接收调度信息以及各蜂窝广播消息。 BMC protocol CBC-RNC 158 through an interface, and receiving scheduling information of each cell broadcast message. 基于该调度信息,在UTRAN —端, BMC相应地生成受调度的消息和受调度的BMC消息序列。 Based on this scheduling information, the UTRAN - side, BMC message is generated accordingly by the scheduled and BMC scheduling message sequence. 在用户设备一端,BMC估计调度消息,并向RRC指示调度参数,调度参数可被RRC用来配置低层的不连续接收。 In the end user equipment, BMC scheduling message is estimated, and RRC indicates scheduling parameters, scheduling parameters can be used to configure the lower layer RRC discontinuous reception. BMC还根据计划发送BMC消息,如调度和蜂窝广播消息。 The BMC messages are also sent BMC planning, such as scheduling and cell broadcast message. 可以将不间断蜂窝广播消息传递到高层。 Uninterrupted cellular broadcast messages can be delivered to the high-rise. UE 10 和UTRAN 20之间的控制信令的一部分可以是无线资源控制(RRC) 160消息,其承载着建立、 修改和释放第二层协议130和第一层协议120实体所需的所有参数。 Part of the control signaling between the UE 10 and UTRAN 20 may be a radio resource control (RRC) 160 message, which carries the establishment, modification and release of the second protocol layer 130 all the parameters required, and a first layer protocol 120 entity. RRC消息在它们的负载中承载着所有高层信令。 All RRC messages carrying higher layer signaling in their load. 无线资源控制(RRC)通过如测量、切换和蜂窝更新等信令,控制着用户设备在已连接模式下的移动。 A radio resource control (RRC) by measuring, switching and cellular signaling updates, the user controls the mobile device in the connected mode.

[0092] 分组数据会聚协议(PDCP)156存在于用户平面中,用于从PS域提供服务。 [0092] The packet data convergence protocol (PDCP) 156 exist in the user plane, for providing a service from the PS domain. PDCP 提供的服务被称为无线载体。 Services provided by PDCP are called wireless carrier. 分组数据会聚协议(PDCP)提供报头压缩服务。 Packet data convergence protocol (PDCP) service provides header compression. 对于通过无线发送IP分组的服务,分组数据会聚协议(PDCP) 156包含的压缩方法可提供更好的频谱效率。 For IP packets sent by the wireless service, the compression method of packet data convergence protocol (PDCP) 156 may be included to provide better spectral efficiency. 可使用任何一种报头压缩算法。 You can use any header compression algorithm. PDCP在发送实体中压缩冗余协议信息,并在接收实体中进行解压缩。 Redundancy compression PDCP entity protocol information in the transmission, and decompressed at the receiving entity. 报头压缩方法可以针对特定网络层、传输层或高层协议组合,例如TCP/IP 和RTP/UDP/IP。 Header compression methods may be directed to a particular network layer, transport layer or higher layer protocol combinations, for example, TCP / IP and RTP / UDP / IP. PDCP还传输它从非接入层接收的形式为PDCP服务数据单元(SDU)的数据, 并将其转发给RLC实体,反之亦然。 It also transmits PDCP receives from the non-access stratum form PDCP service data unit (SDU) data, and forwards it to the RLC entity, and vice versa. PDCP还支持无损SRNS再定位。 PDCP also supports lossless SRNS relocation. 当PDCP使用具有顺序传递的确认模式(AM) RLC时,可以被配置为支持无损RSRNS再定位的PDCP具有协议数据单元(PDU)序号,在重定位期间,序号可以与未确认的PDCP分组一起转发到新的SRNC。 When PDCP using an acknowledgment mode having a transfer sequence (AM) RLC, the may be configured to support lossless RSRNS relocation PDCP having a protocol data unit (PDU) number, during relocation, the serial number may be forwarded with unconfirmed PDCP packet to the new SRNC.

[0093] RLC层150通过服务接入点(SAP),为高层(例如,非接入层)提供服务,服务接入点(SAP)可被UE端的高层协议使用,也可被UTRAN端的[URNAP协议使用。 [0093] RLC layer 150, is a high-level (e.g., Non-Access Stratum) via service access point provided (the SAP) services, service access point (the SAP) can be used at the UE higher layer protocol, UTRAN may be terminated [URNAP protocol. 服务接入点(SAP)描述RLC层如何处理分组。 Service access point (the SAP) describe how the RLC layer processes the packet. 所有的高层信令,如移动管理、呼叫控制、会话管理等,都可以封装在RLC消息中,以便于经由无线接口传输。 All higher layer signaling, such as mobility management, call control, session management, etc., can be encapsulated in the RLC message in order to transmit via the wireless interface. RLC层150包括各种无线链路控制实体152,它们经由承载信令信息和用户数据的逻辑信道连接到MAC层140。 The RLC layer 150 comprises various radio link control entity 152, 140 are connected to the MAC layer via a logical channel carrying signaling information and user data.

[0094] 在控制平面161上,RLC层可以使用RLC服务进行信令传输。 [0094] On the control plane 161, RLC layer may be used for RLC service signaling.

[0095] 在用户平面163上,特定服务协议层PDCP或BMC或其他高层用户平面功能可以使用RLC服务。 [0095] 163 on the user plane, the service specific protocol layers PDCP or BMC or other high-level user plane functions can RLC service. 对于不使用PDCP 156或用户平面协议的服务,可将RLC服务称为控制平面161 中的信令无线载体和用户平面163中的无线载体。 PDCP 156 is not used for the service or user plane protocol, RLC service 161 may be referred to as the control plane signaling and user plane radio bearer in a radio bearer 163. 换言之,RLC层150提供的服务在控制平面161中被称为信令无线载体(SRB),而在用户平面163中被称为无线载体(RB),如果该服务不能使用PDCP或BMC协议的话。 In other words, the service provided by the RLC layer 150 is referred to as the control plane signaling radio bearer 161 (the SRB), is called a radio bearer (RB) in the user plane 163, if the service is not available if PDCP or BMC protocols. 否则,RB服务可由PDCP层156或BMC层158提供。 Otherwise, RB 158 service provided by the PDCP layer 156 or BMC layer.

[0096] 无线链路控制(RLC)层150对用户数据和控制数据执行组帧功能,其包括分割/ 串接和填充功能。 [0096] Radio Link Control (RLC) user data and control data layer 150 performs framing functions pair comprising segmentation / concatenation and filling function. 对于控制平面161中的控制数据,RLC层150通常向无线资源控制(RRC) 层160提供分割和重传服务,对于用户平面163中的用户数据,向应用层提供分割和重传服务。 For the control of the data plane 161, the RLC layer is typically 150 to the radio resource control (RRC) layer 160 provides a segmentation and retransmission services for the user data in the user plane 163, segmentation and retransmission services provided to the application layer. RLC层通常将变长高层协议数据单元(PDU)分割成更小的RLC协议数据单元(PDU), 或者,将更小RLC协议数据单元(PDU)重组成变长高层协议数据单元(PDU)。 The RLC layer typically variable length higher layer protocol data unit (PDU) is divided into smaller RLC protocol data unit (PDU), or, will be smaller RLC protocol data unit (PDU) consisting of variable-length heavy level protocol data units (PDU). 一个无线链路控制(RLC)协议数据单元(PDU)通常承载一个PDU。 A radio link control (RLC) protocol data unit (PDU) usually carries a PDU. 例如,可以根据使用无线链路控制(RLC)的服务的最小可能比特率,设定无线链路控制(RLC) PDU尺寸。 For example, the minimum possible bit rate of a radio link control (RLC) service, the radio link control (RLC) PDUs size. 对于变速率服务,当使用的任何比特率高于最低比特率时,在一个传输时间间隔(TTI)内可传输多个无线链路控制(RLC) PDU,下面将对此进行讨论。 For variable rate services, if any bit rate used in the lowest bit rate, can transmit a plurality of radio link control (RLC) PDU in a transmission time interval (TTI) within, will be discussed. RLC发送实体也执行串接。 RLC transmitting entity also performs concatenation. 如果无线链路控制(RLC) 服务数据单元(SDU)的内容没有填满整数个无线链路控制(RLC) PDU,则可以把下一无线链路控制(RLC)SDU的第一部分置入无线链路控制(RLC)PDU中,与前一RLC SDU的最后一段串接起来。 If the contents of a radio link control (RLC) service data unit (SDU) does not fill an integer number of radio link control (RLC) PDU, the first portion may be a next radio link control (RLC) SDUs into a radio link path control (RLC) PDUs in the last paragraph of the previous RLC SDU is connected in series. RLC发送实体通常还执行填充功能。 RLC transmitting entity further performs filling function normally. 当待发送的剩余数据不能填满给定尺寸的无线链路控制(RLC)PDU时,该数据字段的剩余可用填补比特填满。 When the remaining data to be transmitted does not fill a given size of a radio link control (RLC) PDU, the remaining available padding bits in the data field filled. 根据下面结合图11-13 所讨论的本发明的方面,例如,可以提供降低或消除所使用的填充量的技术。 According to an aspect of the present invention will be discussed in conjunction with FIGS. 11-13, for example, may be provided to reduce or eliminate the amount of filler used in the art.

[0097] RLC接收实体检测收到的重复无线链路控制(RLC)PDU,以确保将高层PDU中的结果传递曾经到高层。 [0097] RLC radio link control receiving repeated (the RLC) entity detects the received PDU, to ensure that the result is transmitted once layer PDU to the upper layer. RLC层还控制RLC发送实体可以向RLC接收实体发送信息的速率。 The RLC layer also controls the sending RLC entity to the RLC entity may receive the transmission rate information.

[0098] 图5A是在UMTS信令协议栈的无线链路控制(RLC)层中使用的数据传输模式的框图,该图示出了逻辑、传输和物理UMTS信道相对于接入层的可能映射。 [0098] FIG 5A is a block diagram of an UMTS signaling protocol stack layers use the data transfer mode radio link control (the RLC), which illustrates the logical, transport, and physical channels with respect to possible UMTS access layer mapping . 本领域技术人员应当理解,对于给定的用户设备(UE),不必同时定义所有的映射,可以同时执行一些映射的多个实例化。 Those skilled in the art will appreciate, for a given user equipment (the UE), while not necessary to define all of the mappings, the mapping may be performed a number of multiple instances of the same time. 例如,话音呼叫可能使用三个专用业务信道(DTCH),这三个专用业务信道(DTCH)映射到三个专用信道(DCH)传输信道。 For example, a voice call may use three dedicated traffic channel (DTCH), a dedicated traffic channel three (DTCH) is mapped to three dedicated channel (DCH) transport channel. 此外,图5中所示的一些信道,如CPICH、SCH、 DPCCH、AICH和PICH,存在于物理层环境中,并且,不承载高层信令或用户数据。 In addition, some channels shown in FIG. 5, such as the CPICH, SCH, DPCCH, AICH and the PICH, the physical layer is present in the environment, and do not carry user data or higher layer signaling. 这些信道的上下文可在物理层120 (Li)中进行定义。 The context may be defined channels in the physical layer 120 (Li).

[0099] 无线链路控制(RLC)层中的每个RLC实例可由无线资源控制(RRC)层160进行配置,从而工作于以下三种模式之一:透明模式(TM)、无确认模式(UM)或确认模式(AM),下面将结合图5B对其做出详细描述。 [0099] Radio Link Control (RLC) each RLC instance by radio resource control (RRC) layer of layer 160 is configured to operate in one of three modes: transparent mode ((TM)), unacknowledged mode (UM ) or acknowledged mode (AM), will be made in conjunction with FIG. 5B described in detail. 这三种数据传输模式表示在哪种模式下为逻辑信道配置无线链路控制(RLC)。 This configuration represents a three data transfer mode radio link control (RLC) logical channels in which mode. 透明和无确认模式RLC实体被定义为单向的,而确认模式实体是双向的。 Transparent and unacknowledged mode RLC entity is defined as a unidirectional, the acknowledged mode entity is a bidirectional. 通常,对于所有RLC模式,对物理层执行CRC差错检测,并将CRC检查结果与实际数据一起传递给RLC。 In general, for all RLC modes, performing a CRC error detection for physical layer to the RLC is transmitted together with the CRC check result with the actual data. 根据各种模式的具体要求,这些模式执行RLC层150的一些或全部功能,包括分割、重组、串接、填充、重传控制、流量控制、重复检测、有序传递、错误检测和加密。 According to the specific requirements of the various modes, these modes perform some or all functions of the RLC layer 150 including segmentation, recombinant, concatenation, padding, retransmission control, flow control, duplicate detection, ordered delivery, error detection and encryption. 这些功能还将在下面结合图5B和图5C做出更详细的说明。 These functions also below in connection with FIGS. 5B and 5C make a more detailed explanation. 根据这里讨论的本发明的一个方面,可以提供一种新的无线链路控制(RLC)数据传输模式。 According to one aspect of the invention discussed herein, may provide a new radio link control (RLC) data transmission mode.

[0100] MAC层140通过逻辑信道为RLC层150提供服务,这些逻辑信道由所传输数据类型进行表征。 [0100] MAC layer 140 RLC layer 150 through a logical channel for the service provided, these logical channels characterized by the type of data transmitted. 媒体接入控制(MAC)层140将逻辑信道映射和复用成传输信道。 Media access control (MAC) layer 140 and multiplexing logical channels are mapped into transport channels. MAC层140识别处于公共信道上的用户设备(UE)。 The MAC layer 140 identifies the common channel at a user equipment (UE). MAC层140还将高层PDU复用成传输块,以通过公共信道传递到物理层,或者,将通过公共信道从物理层传递来的传输块解复用为高层PDU。 MAC-layer PDU 140 will rise multiplexed into transport blocks, for delivery to the physical layer through the common channel, or, to be transmitted from the physical layer through a common transport channel is a high-level block demultiplexing PDU. MAC 处理公共传输信道的业务复用,因为这不能在物理层中完成。 MAC processing traffic common transport channel multiplexing, because it can not be completed in a physical layer. 当公共信道承载来自专用类型逻辑信道的数据时,媒体接入控制(MAC)报头包括UE的标识。 When a common channel carrying data from a dedicated type logical channel, medium access control (MAC) header includes an identification of the UE. MAC层还将高层PDU复用成传输块集,以通过专用传输信道传递到物理层,或者,将通过专用传输信道从物理层传递来的传输块集解复用为高层PDU。 The MAC layer also multiplexes layer PDU into a transport block set, for delivery to the physical layer through a dedicated transport channel, or, to be transmitted from the physical layer through a dedicated transport channel multiplexed into a transport block Variorum level PDU.

[0101] MAC层140接收RLCPDU以及与RLC发送缓冲器中的数据量有关的信息。 [0101] 140 and an information receiving layer RLCPDU MAC amount of data transmitted and the related RLC buffer. MAC层140将与传输信道相对应的数据量与RRC层160设定的门限进行比较。 The MAC layer 140 with transport channels corresponding to the RRC layer 160 and the data amount threshold set for comparison. 如果数据量太高或太低,则MAC向RRC发送关于业务流量状态的测量报告。 If the amount of data is too high or too low, the MAC transmits a measurement report on the state of traffic to RRC. RRC层160也可以请求MAC层140 周期性地发送这些测量结果。 RRC layer 160 can also request the MAC layer 140 periodically transmits these measurements. RRC层160使用这些报告,触发无线载体和/或传输信道的重新配置。 The RRC layer 160 uses these reports to trigger reconfiguration radio bearers and / or transport channels.

[0102] MAC层还根据逻辑信道的瞬时信源速率,为每个传输信道选择合适的传输格式(TF)。 [0102] MAC layer is further based on the instantaneous source rates of the logical channel, select the appropriate transport format (TF) for each transport channel. 通过为不同数据流选择“高比特率”和“低比特率”传输格式(TF),MAC层140提供数据流的优先级处理。 By selecting different data streams "high bit rate" and "low bit rate" transport format (TF), MAC layer 140 provides data streams priority handling. 分组交换(PS)数据内在就是突发式的,因此要发送的数据量随帧而变化。 Intrinsic data is bursty packet switched (PS), the amount of data to be sent with the frame change. 当有较多数据时,MAC层140可以选择一种较高的数据速率,但是,当信令和用户数据都存在时,MAC层140在它们之间进行选择,以提高从较高优先级信道发送的数据量。 When there is more data, the MAC layer 140 may choose a higher data rate, however, when the signaling and user data exists, the MAC layer 140 selects between them, in order to improve the higher priority channel from amount of data transmitted. 可以根据传输格式组合(TFC)选择传输格式(TF),根据传输格式组合(TFC)可由每个连接的接纳控制来定义。 Can (TFC) selecting the transport format (TF) according to a transmission format combination, defined according to a transport format combination (TFC) by the admission control for each connection.

[0103] 媒体接入控制(MAC)层还执行加密。 [0103] Media Access Control (MAC) layer also performs encryption. 可以对每个无线载体进行单独地加密。 It can be encrypted individually for each radio bearer. 3GPP TS 33. 102中对加密做了详细说明。 3GPP TS 33. 102 in the encrypted described in detail.

[0104] 在诸如WCDMA之类的系统中,有三种类型的传输信道可用于传输分组数据。 [0104] In systems such as WCDMA and the like, there are three types of transport channels available for transmitting packet data. 这些信道是公共传输信道、专用传输信道和共享传输信道。 The channel is a common transport channel, a dedicated transport channel and a shared transport channel. 在下行链路中,传输信道分组数据是由分组调度算法来选择的。 In the downlink, transmission channel packet data is the packet scheduling algorithm to select. 在上行链路中,传输信道由移动站10根据分组调度算法设定的参数来选择。 In the uplink, the transmission channel selected by the mobile station 10 based on the parameters set by the packet scheduling algorithm.

[0105] 公共信道可以是,例如,上行链路中的随机接入信道RACH和下行链路中的前向接入信道FACH。 [0105] common channel may be, for example, uplink random access channel RACH, and the downlink in the previous access channel FACH. 它们都承载信令数据和用户数据。 They all carry signaling and user data. 公共信道具有很低的建立时间。 Common channel has a very low set-up time. 因为在连接建立之前公共信道就可用于传输信令,所以,公共信道可用于立即发送分组,而没有任何长的建立时间。 Because the common channel before a connection can be used for signaling, the common channel may be used to send a packet immediately without any long settling time. 通常,每个扇区都有几个RACH或FACH。 Typically, each sector has several RACH or FACH. 公共信道没有反馈信道,因此,通常使用开环功率控制或固定功率。 A common channel without feedback channel, therefore, generally use open loop power control or a fixed power. 此外,公共信道不能使用软切换。 Further, the common channel can not use soft handover. 因此,公共信道的链路等级性能不如专用信道,并且,会比专用信道产生更多的干扰。 Thus, the link level performance is not as common channel dedicated channels, and will produce more than a dedicated channel interference. 因此,公共信道更适合传输小的单独分组。 Thus, a common channel is more suitable for smaller individually transmitted packets. 在公共信道中使用的应用如短消息服务和短文本电子邮件等应用。 Application of common channels used in applications such as short message services and short text e-mail. 向网页发送单个请求也适合公共信道的概念,但是,对于较大的数据量,公共信道的无线性能很差。 Sending a single request to a web page concept is also suitable for the common channel, but, for larger amounts of data, a common channel is poor wireless performance.

[0106] 专用信道可以使用快速功率控制和软切换特征,从而提高无线性能,并且,产生的干扰通常少于公共信道。 [0106] dedicated channel can use fast power control and soft handoff feature to improve wireless performance, and the interference is typically less than a common channel. 但是,建立专用信道所花费的时间多于接入公共信道。 However, the time it takes to establish a dedicated channel to a common channel access than. 专用信道可以具有可变的比特速率,从每秒数K字节到高达每秒2M字节。 Dedicated channel may have a variable bit rate, the K bytes per second up to 2M-bytes per second. 因为在传输期间比特速率会变化,所以,必须根据最高比特率来分配下行链路正交码。 Since the bit rate may vary during transmission, thus, must be assigned orthogonal code according to the highest downlink bit rate. 因此,可变比特率专用信道消耗宝贵的下行链路正交码空间。 Thus, variable bit-rate dedicated channels consume valuable downlink orthogonal code space.

[0107] 物理层(Li) 120通过承载有信令信息和用户数据的传输信道连接到MAC层140。 [0107] The physical layer (Li) 120 through a transport channel carrying signaling information and user data to the MAC layer 140 is connected. 物理层120通过传输信道向MAC层提供服务,其特征在于如何传输数据及其特征。 The physical layer 120 provides services to the MAC layer through a transport channel, characterized in that the transfer of data and their characteristics.

[0108] 物理层(Li) 120经由物理信道,通过无线链路接收到信令和用户数据。 [0108] The physical layer (Li) 120, receives the signaling and user data over a wireless link via the physical channel. 物理层(Li)通常执行复用和信道编码,包括CRC计算、前向纠错(FEC)、速率匹配、交织传输信道数据和复用传输信道数据,以及其他的物理层过程,如获取、接入、寻呼和无线链路建立/失败。 The physical layer (Li) typically performs multiplexing and channel coding, including CRC calculation, forward error correction (the FEC), rate matching, interleaving the transport channel data and multiplexing transport channel data, and other physical layer procedures, such as access, then in, paging and wireless link establishment / failure. 物理层(Li)还负责扩频和加扰、调制、测量、发射分集、功率加权、切换、压缩模式和功率控制。 The physical layer (Li) is also responsible for spreading and scrambling, modulation, measurement, transmit diversity, power weighting, handover, power control, and the compressed mode.

[0109] 图5B是无线链路控制(RLC)层的体系结构的框图。 [0109] FIG 5B is a block diagram of the architecture of a radio link control layer (RLC). 如前所述,无线资源控制(RLC) 层150可将无线链路控制(RLC)层150中的每个RLC实体或实例152配置为工作于三种数据传输模式之一:透明模式(TM)、无确认模式(UM)或确认模式(AM)。 As described above, the radio resource control (RLC) layer 150 may be a radio link control (RLC) layer in each RLC entity 150 or Example 152 is configured to operate in one of three data transfer modes: transparent mode (TM) , unacknowledged mode (UM), or acknowledged mode (AM). 用户数据的数据传输模式由服务质量(QoS)设置进行控制。 The user data transmission mode data is controlled by the quality of service (QoS) settings.

[0110] TM是单向的,包括发送TM实体152A和接收TM实体152B。 [0110] TM is unidirectional, comprising a transmitting TM entity receiving TM entity 152A and 152B. 在透明模式下,不向高层数据中添加协议次序。 In transparent mode, do not add to the high-level protocol order of the data. 可以丢弃出错的协议数据单元(PDU)或将其标为出错。 It may be discarded protocol data unit (PDU) error or mark it as an error. 可使用流式传输,其中,高层数据通常不是分段的,但在特殊情形中,也可实现传输有限分割/重组能力。 Streaming can be used, wherein high-level data is typically not segmented, but in special cases, the transmission can be achieved is limited segmentation / reassembly capability. 当使用分割/重组时,可以在无线载体建立过程中协商这一点。 When using the segmentation / reassembly, can be negotiated in the process of establishing a wireless carrier that.

[0111] UM也是单向的,包括发送TM实体152C和接收TM实体152D。 [0111] UM is unidirectional, comprising a transmitting TM entity receiving TM entity 152C and 152D. UM RLC实体被定义为单向的,因为上行链路和下行链路之间不需要任何关联。 UM RLC entity is defined as a unidirectional, because no correlation between the uplink and downlink. 在UM中,数据传递是没有保证的。 In UM, the data transfer is not guaranteed. 例如,UM可用于特定的RRC信令过程,其中,确认和重传不是RRC过程的一部分。 For example, the UM available for certain RRC signaling procedures, wherein the acknowledgment and retransmission is not part of the RRC procedure. 利用无确认模式RLC的用户服务的例子是蜂窝广播服务和VOIP。 Examples of the use of the RLC unacknowledged mode is a cellular user service and a broadcast service VOIP. 可以标注出错的数据,或将其丢弃,这取决于配置。 Erroneous data can be labeled, or discarded, depending on the configuration. 可以应用没有明确信令功能的基于计时器的丢弃,从而可以从发送缓冲器中简单地删除在特定时间内无法发送出去的RLC PDU0在无确认数据传输模式下,PDU 结构包括序号,因此可以执行序号检查。 No explicit signaling may be applied based on the discard timer function, which can simply be deleted from the transmission buffer can not be sent out within a specific time in the RLC PDU0 unacknowledged data transfer mode, the structure comprising a number PDUs, can be performed No. check. 序号检查有助于保证重组PDU的完整性,因此,提供了一种检测手段,当将无线链路控制(RLC)PDU重组成一个无线链路控制(RLC)SDU时,通过检查无线链路控制(RLC)PDU中的序号,检测出错的无线链路控制(RLC) SDU。 Reference check helps to ensure the integrity of the recombinant PDU, therefore, there is provided a detecting means, when a radio link control (the RLC) PDU reassembled into a radio link control (RLC) SDU, by checking radio link control (RLC) PDU sequence number, error detecting radio link control (RLC) SDU. 可以丢弃任何出错的无线链路控制(RLC) SDU。 You can discard any radio link control (RLC) SDU error. 在无确认模式(UM)下也可以提供分割和串接。 In unacknowledged mode (UM) can also provide the segmentation and concatenation.

[0112] 在确认模式下,RLC AM实体是双向的,并且能够在相反方向中将链路状态指示捎带到用户数据中。 [0112] In acknowledged mode, RLC AM entity is bidirectional, and can indicate to the user data piggybacked in the opposite direction in the link state. 图5C的框图中所示的实体用于实现无线链路控制(RLC)确认模式(AM) 实体以及如何构建AMPDU。 Entities shown in FIG. 5C block diagram for implementing a radio link control (RLC) acknowledged mode (AM) entity, and how to build AMPDU. 可将经由AM-SAP从高层接收的数据分组(RLC SDU)分割和/ 或串接514成固定长度的协议数据单元(PDU)。 It may be split and / or concatenated protocol data unit (PDU) 514 via a fixed-length packet data (RLC SDU) AM-SAP received from an upper layer. 协议数据单元的长度是在无线载体建立过程中确定的半静态值,可通过RRC无线载体重新配置过程来改变。 The length of the protocol data unit is determined in the process of establishing a radio bearer in a semi-static values ​​may be reconfiguration procedure through an RRC radio bearer is changed. 出于串接或填补目的,可将承载长度和扩展有关信息的比特插入最后一个协议数据单元的开始或可以包括来自SDU 的数据。 For the purpose of concatenation or padding, and extensions can carry information about the length of the start bit is inserted into the last protocol data unit may include data from or SDU. 如果多个SDU填满一个PDU,则可以把它们串接起来,将一个合适的长度指示符(Li)插入PDU的开始。 If a plurality PDU SDU fill, they may be connected in series, to a suitable length indicator (Li) is inserted into the PDU starts. 然后,可以将PDU置入发送缓冲器520中,发送缓冲器520还负责重传管理。 Then, PDUs may be placed in the transmit buffer 520, transmit buffer 520 is also responsible for managing retransmissions.

[0113] 从发送缓冲器520中取出一个PDU,为其添加报头,就可以构造出PDU。 [0113] removed from a PDU in the transmission buffer 520, to add the header, it can be constructed PDU. 如果PDU 中的数据没有填满整个RLC PDU,可以添加填补字段或捎带状态消息。 If the data in the PDU does not fill the entire RLC PDU, padding field may be added or piggybacked status message. 捎带状态消息可以来自接收端或发送端,以指示RLC SDU丢弃。 Piggyback status message may be sent from the receiving side or end to indicate RLC SDU discard. 报头包含RLC PDU序号(SN)、可用于从对等方实体请求状态的轮询比特(P),可选地还包括长度指示符(Li),如果在RLC PDU中串接SDU、填补信息或捎带PDU,则可以使用它。 Header contains the RLC PDU sequence number (the SN), can be used to request state from the peer entity poll bit (P), optionally further comprises a length indicator (Li), if the SDU in the RLC PDU in concatenation, padding information or piggyback PDU, you can use it.

[0114] 确认模式(AM)通常用于分组类型服务,如互联网浏览和电子邮件下载。 [0114] Acknowledged Mode (AM) type generally used for packet services, such as Internet browsing and email downloads. 在确认模式中,可使用自动重复请求(ARQ)机制来进行差错检测。 In acknowledged mode, using automatic repeat request (ARQ) mechanisms for error detection. 可以重传任何有错的分组。 You can retransmit any wrong packet. 通过配置由RLC提供的多次重传,RRC可以控制RLC的质量与延迟性能。 By multiple retransmissions configuration provided by RLC, RRC can control the quality and performance of the delay of RLC. 如果RLC无法正确传递数据,例如,如果已经达到了重传的最大数量或者如果超过了传输时间,则通知高层, 可以丢弃无线链路控制(RLC)SDU。 If the RLC data can not be delivered properly, e.g., if the maximum has been reached or if the number of retransmissions exceeds the transmission time, the upper layers may be discarded Radio Link Control (RLC) SDU. 通过在一个状态消息中发送滑动接收窗口命令,也可以将SDU丢弃操作通知对等方实体,从而,接收机也删除所有属于被丢弃无线链路控制(RLC) SDU 的PDU。 Sliding window is received by transmitting a command status message may be the SDU discard operation notification peer entity to the receiver removes all belonging to the discarded Radio Link Control (the RLC) SDU of the PDU.

[0115] 可将RLC配置用于有序(in-sequence)传送和乱序(out-of-sequence)传送。 [0115] RLC may be configured to be ordered (in-sequence) and scrambled transmission (out-of-sequence) transmission. 对于有序传送,可以维持高层PDU的次序,而乱序传递一旦完全接收到高层PDU,就将其转发出去。 For in-order delivery is possible to maintain the order of the layer PDU, and once fully scrambled transfer layer PDU is received, it will be forwarded. RLC层提供高层PDU的有序传递。 RLC layer provides ordered delivery of high-level PDU. 该功能保存RLC提交以进行传输的高层PDU的次序。 This feature saves RLC order submitted for transmission of high-level PDU. 如果不使用该功能,则可以提供乱序传送。 Without this feature, it is possible to provide a scrambled transmission. 除数据PDU传送之外,也可以在对等RLC实体之间传送状态和复位控制过程。 In addition to data PDU transmission, and the reset state may be transferred between the process control peer RLC entity. 控制过程甚至还可以使用独立的逻辑信道,从而,一个AM RLC实体可使用一个或两个逻辑信道。 Control process can even use separate logical channel, thus an AM RLC entity may use one or two logical channels.

[0116] 对于确认和无确认RLC模式,可以在RLC层中进行加密。 [0116] For confirmation and unacknowledged RLC mode, it can be encrypted in the RLC layer. 在图5C中,除了包括PDU 序号和轮询比特的前两个比特,对AM RLCPDU进行加密540。 In Figure 5C, except that the first two bits comprising a sequence number and a polling bit of the PDU, to encrypt AM RLCPDU 540. PDU序号是加密算法的一个输入参数,对于对等实体来说,它必须是可读的,从而执行加密。 PDU sequence number is an input parameter of the encryption algorithm, to the peer entity, it must be readable, thereby performing encryption. 3GPP规范TS33. 102描述了加 Specification 3GPP TS33. 102 described plus

密O O secret

[0117] 然后,可以通过逻辑信道,将PDU转发到MAC层140。 [0117] Then, by a logical channel, and forwards the PDU to the MAC layer 140. 在图5C中,额外的逻辑信道(DCCH/DTCH)用虚线表示,这说明一个RLC实体可被配置为使用不同逻辑信道发送控制PDU 和数据PDU。 In FIG. 5C, an additional logical channel (DCCH / DTCH) represented by a dotted line, indicating that one RLC entity may be configured to use different logical channels transmitted control PDU and the data PDU. AM实体的接收端530通过一条逻辑信道,从MAC层接收RLC AMPDU。 AM entity of the receiving side 530 through a logical channel, the MAC layer receives the RLC AMPDU. 用物理层CRC可以检查差错,物理层CRC可通过对整个RLCPDU计算而得出。 Can check the CRC error by the physical layer, the physical layer may be obtained by calculating the CRC for the entire RLCPDU. 实际的CRC检查可以在物理层中执行,并且,在对整个报头进行解密之后,RLC实体接收CRC检查结果以及数据, 可能的捎带状态信息可以从RLC PDU中提取出来。 The actual CRC check may be performed in the physical layer, and, after decrypting the entire header, the RLC entity receives the CRC check results and data, may be piggybacked status information can be extracted from the RLC PDU. 如果收到的PDU是强消息或者如果状态信息被捎带到AM PDU中,则可将控制信息(状态消息)传递到发送端,发送端检查发送缓冲器,将其与收到的状态信息对比。 If the received PDU is strong or if the message information is piggybacked status PDU in the AM, may be the control information (status message) to the transmitting side, the transmission side checks the transmission buffer, which is compared with the received state information. 来自RLC报头的PDU号用于解密550,还在当将加密的PDU存储到接收缓冲器中时使用。 PDU numbers from RLC header 550 for decryption, also when using the encrypted PDU stored in the reception buffer. 一旦属于完整SDU的全部PDU都处于接收缓冲器中时,就可以重组出SDU。 Once all of the PDU belonging to a complete SDU are in the receiving buffer, the SDU can be recombinant. 尽管图中没有显示,但在将RLC SDU传送到高层之前,也可以执行有序传递的检查和重复检测。 Although not shown, but prior to transmission RLC SDU to the upper layer, may be performed inspection ordered delivery and duplicate detection.

[0118] 当用户设备(UE)或移动站在PTM传输和点到点(PTP)传输之间转换(或改变蜂窝)时,重新初始化RLC实体152。 When [0118] When a user between equipment (UE) or mobile station PTM transmission and point to point (PTP) transmission is shifted (or changed cell), the RLC entity 152 reinitialized. 这可能很不利地导致无线链路控制(RLC)缓冲器中所有数据的丢失。 This may be adversely result in loss of radio link control (RLC) buffer all data. 如上所述,当移动站从一个蜂窝移动到另一蜂窝时或者当多媒体广播多播服务(MBMS)内容传递在服务蜂窝中从点到点(PTP)传输模式改变为点到多点(PTM)传输时, 可能会出现问题。 As described above, when the mobile station moves from one cell to another cell or when the multimedia broadcast multicast service (MBMS) content delivery serving cell change from point to point (PTP) transmission mode is point to multipoint (PTM) when transmission problems may occur.

[0119] 所期望的是,保持多媒体广播多播服务(MBMS)在点到点(PTP)传输和点到多点(PTM)传输之间的转换期间的连续性,或在不同蜂窝之间(如,切换)出现的转换期间的连续性,并避免提交重复信息。 [0119] It is desirable that, to maintain a multimedia broadcast multicast service (MBMS) transmission during a transition between the point (PTP) transmission and point to multipoint (PTM) continuity, or between different cells ( e.g., switching) occurs during the conversion of the continuity, and to avoid repetition information submitted. 为了保持MBMS服务的连续性和避免提交重复信息,第二层150应该能够对来自两个流的数据进行重新校准。 In order to maintain continuity of the MBMS service and to avoid repetition information submitted, the second layer 150 should be able to stream data from two recalibration. 物理层无法提供这种同步,因为网络终结点可能在各种模式下不同。 The physical layer can not provide this synchronization, the network endpoints may be different in various modes. 如果在RLC层150之下执行前向纠错(FEC),在3GPP2中就如此, 则数据在点到点(PTP)传输和点到多点(PTM)传输之间的任何转换期间都可能丢失,反之亦然。 If the RLC layer below 150 performing forward error correction (the FEC), on the case in 3GPP2, the data might be lost during a transition between any point in the transmission (PTP) transmission and point to multipoint (PTM) ,vice versa. 此外,这需要物理层同步和在多个蜂窝(如具有共同调度)之间共享相同的媒体接入控制(MAC)。 In addition, it requires the physical layer synchronization cell and a plurality of (e.g., having a common scheduling) share the same media access control (MAC) between. 因此,在这样的假设不适用的3GPP2中,这可能会导致问题。 Therefore, such an assumption does not apply 3GPP2, which can cause problems.

[0120] 点到点(PTP)传输 [0120] Point to Point (PTP) transmission

[0121] 假设应用具有很强的延迟容忍,则用于点到点(PTP)传输的最高效数据传输模式为无线链路控制(RLC)确认模式(AM)。 [0121] Suppose a strong delay tolerant applications, the most efficient data transmission mode for a point to point (PTP) transmission of acknowledged mode radio link control (RLC) (AM). 例如,RLC确认模式(AM)通常用于专用逻辑信道(PTP)上的分组交换数据传输。 For example, RLC acknowledged mode (AM) is typically used on a dedicated logical channel packet (PTP) switched data transmission. RLC工作于专用逻辑信道上的确认模式(AM)。 RLC operates in acknowledged mode on a dedicated logical channel (AM). 如图5A所示,可以通过名为专用业务信道(DTCH)的逻辑信道,发送下行链路方向中一个用户业务的专用用户业务。 5A, by a logical channel called a dedicated traffic channel (DTCH), and transmits a downlink direction user service dedicated user traffic.

[0122] 在确认模式(AM)下,如果数据出现差错,反向链路可用于重传请求。 [0122] In acknowledged mode (AM), if the data errors, the reverse link can be used to request retransmission. RLC发送业务数据单元(SDU),并通过重传,确保传输到其对等实体。 Transmitting RLC service data units (SDUs), and by retransmitting, ensure the transmission to its peer entity. 如果RLC无法正确传递数据,则通知发送端的RLC用户。 If the RLC can not deliver the data correctly, the user is notified RLC sender. 工作于RLC AM下通常是明显省电的,但代价却是会引入附加的延迟。 Work at RLC AM is usually obvious saving, but at the cost may introduce additional delay.

[0123] 点到多点(PTM)传输 [0123] Multipoint (PTM) transmission

[0124] 公共业务信道(CTCH)是存在于下行链路方向中的单向信道,当向所有终端或一组特定终端发送信息时,可以使用它。 [0124] Common Traffic Channel (the CTCH) is present in the downlink direction the unidirectional channel, when information is transmitted to all terminals or a specific group of terminals, it can be used. 两种数据传输模式都使用单向公共信道,单向公共信道没有反向链路信道建立。 Two data transfer modes use unidirectional common channel, unidirectional channel is not common reverse link channel establishment.

[0125] 所期望的是提供一种能够使MBMS服务在点到点(PTP)和点到多点(PTM)传输模式之间透明地切换的结构。 [0125] What is desired is to provide a structure capable of MBMS service between a point (PTP) and point to multipoint (PTM) transmission mode switched transparently. 为了在点到点(PTP)和点到多点(PTM)传输模式之间转换时获得良好的性能,还期望提供一种实现不同无线链路控制(RLC)模式之间切换的结构。 To obtain good performance when converting between the point (PTP) and point to multipoint (PTM) transmission mode, it is also desirable to provide a structure to achieve switching between different radio link control (RLC) mode. 例如, 这可能有助于降低功率要求。 For example, this may help reduce power requirements.

[0126] 下面结合图6至图19所示的实施例,描述本发明的各个方面。 Embodiment 6 to 19 [0126] below with reference to embodiments shown in Fig., Description of various aspects of the invention. 通过使用新的前向纠错(FEC)层,这些特征有助于保证在这些转换期间的服务连续性。 By using the new front (FEC) layer forward error correction, these features help to ensure service continuity during these conversions.

[0127] 图6是具有前向纠错层的修改UMTS协议栈的示意图,其工作于前向纠错(FECd) 模式和前向纠错(FECc)模式下。 [0127] FIG. 6 is a schematic diagram before having to modify the UMTS protocol stack error correction layer, which operates in the forward error correction (FECD) mode and a forward error correction (FECC) mode. 当用户设备(UE)从点到点(PTP)传输改变为点到多点(PTM)传输时,前向纠错(FEC)层使得下面的无线链路控制(RLC)实体152能够从一种无线链路控制(RLC)数据传输模式改变到另一种无线链路控制(RLC)数据传输模式,同时维持服务的连续性。 When a user equipment (UE) from point to point (PTP) transmission is changed to point to multipoint (PTM) transmission, such that the front forward error correction (FEC) layer underlying radio link control (RLC) entity 152 can be from one a radio link control (RLC) data transmission mode to change to another radio link control (RLC) data transmission mode, while maintaining continuity of service. 根据该实施例,FEC可以工作于第一模式(FECc)或第二模式(FECd)下。 According to this embodiment, FEC may be operated in a first mode (FECC) or second mode (FECd). 在一种实现方式中,第一模式(FECc)可以利用奇偶块,而第二模式(FECd)可以在没有奇偶块的情况下工作。 In one implementation, a first mode (FECC) parity blocks may be utilized, and the second mode (FECD) can work in the case where no parity block. 在FECd和FECc模式之间改变的影响可能远低于在RLC模式之间改变, 并且可以是无缝的,从而在转换期间不发生数据丢失。 Effect FECc between FECd and mode change may be much lower than the change between the RLC mode, and may be seamless, so that data loss does not occur during the conversion.

[0128] 为了保护用户数据,前向纠错(FECc)模式可以利用外部编码技术。 [0128] In order to protect user data, forward error correction (FECC) external mode coding technique. 这在公共信道上尤其有效。 This is particularly effective in the common channel. 前向纠错(FECc)模式通常能够在无线链路控制(RLC)层之上实现无确认模式(UM)下的功能,如组帧(分割和串接)以及序号添加。 Before the function can be realized usually unacknowledged mode (UM) at the top of the radio link control (RLC) layer forward error correction (FECC) mode, such as framing (segmentation and concatenation), and sequence number added. 因此,无线链路控制(RLC)层可以使用透明模式(TM)进行点到多点(PTM)传输,因为,可以在前向纠错(FEC)层中执行传统的无确认模式(UM)功能。 Accordingly, the radio link control (RLC) layer may be a transparent mode (TM) for point to multipoint (PTM) transmission, because it is possible to perform traditional front Unacknowledged Mode Forward Error Correction (FEC) layer (UM) Function . 尽管在无线链路控制(RLC)确认模式(AM)下该功能可能是重复的,但由ARQ所得的好处弥补该重复。 While this feature may be repeated in a radio link control (RLC) acknowledged mode (AM), but offset by the benefits obtained in the repeat ARQ.

[0129] 通过将前向纠错(FEC)层或外部编码层置于无线链路控制(RLC)层之上,可以将序号添加在独立于无线链路控制(RLC)的层中。 [0129] placed in a radio link control (RLC) layer on top, a layer number may be added independently of a radio link control (RLC) in the front by the forward error correction (FEC) coding layer or outer layer. 将附加的开销,例如序号,用于未确认传输,可以将协议数据单元(PDU)和编码器分组(EP)在MBMS数据的异步传输期间进行重新校准。 The additional overhead, for example, serial number, for transmission of unacknowledged protocol data unit (PDU) and the encoder may be grouped (EP) recalibration during asynchronous transmission of MBMS data. 因为序号所添加到的层高于无线链路控制(RLC),所以,点到点(PTP)传输和点到多点(PTM)传输的序号是相同的,因此,当从点到多点(PTM)传输转换为点到点(PTP)传输时,可以维持序号的连续性。 Because the number of floors to be added to the radio link control (the RLC), therefore, point to point (PTP) and point to multipoint transmission sequence number (PTM) transmission is the same, therefore, when the multipoint ( PTM) transmission is shifted to point (PTP) transmission, can maintain the continuity of sequence numbers. 这使得数据能得到重新校准,从而可以避免数据的重复和/丢失数据。 This enables data to be re-calibrated, so as to avoid duplication of data and / or data loss.

[0130] 外部编码也可用于点到多点(PTM)传输,它能够潜在地为系统节省一些功率和/或降低重传的延迟。 [0130] outer code can also be used to-multipoint (PTM) transmission, which can potentially save some of the power delay and / or reduce retransmission system. 多媒体广播多播服务(MBMS)数据在一定程度上可以容忍延迟。 Multimedia Broadcast Multicast Service (MBMS) data can tolerate delays to some extent. 在点到点(PTP)传输中,提供了一条反馈路径。 In the point to point (PTP) transmission, there is provided a feedback path. 由于在必要情况下使用了ARQ重传,这使得使用无线链路控制(RLC)确认模式(AM)更高效,重传通常在无线电效率方面高于FEC机制,在FEC机制中,一直发送附加的奇偶块。 Due to the use ARQ retransmission if necessary, which makes use of a radio link control (RLC) acknowledged mode (AM) more efficient retransmission of FEC mechanism is generally higher than in radio efficiency, FEC mechanism, has been transmitted the additional parity blocks. 因此,在诸如点到点(PTP)之类的专用逻辑信道上,不必向MBMS负荷数据添加奇偶块。 Thus, point to point on dedicated logical channel such as (PTP) or the like, without adding a load MBMS data to the parity block.

[0131] 图7A和7B示出了接入层的协议结构的实施例,其包括设置在无线链路控制(RLC) 层150之上的前向纠错(FEC)层157。 [0131] FIGS. 7A and 7B show an embodiment of a protocol structure of the access layer, which includes a radio link control (RLC) layer 150 over the front forward error correction (FEC) layer 157. 后面还将结合图11描述前向纠错(FEC)层的实施例。 Example embodiments will later forward error correction (FEC) layer 11 previously described in conjunction with FIG.

[0132] 前向纠错(FEC)层157直接通过用户平面无线载体接收用户平面信息163。 [0132] the front layer 157 directly receives the user plane information by the user plane radio bearer 163 forward error correction (FEC). 因为前向纠错(FEC)层位于无线链路控制(RLC)层之上,所以,FEC协议数据单元(PDU)对应于RLC服务数据单元 Because the former is located in a radio link control (RLC) Forward Error Correction (FEC) layer above layer, so, the FEC protocol data unit (PDU) corresponding to the RLC service data unit

[0133] (SDU)。 [0133] (SDU). FEC层优选支持任意SDU尺寸(限于8比特的整数倍)、可变速率信源、来自低层的分组的乱序接收和来自低层的重复分组的接收。 FEC layer preferably supports any SDU size (limited to an integer multiple of 8 bits), a variable rate source, out of order from the lower layer of the packet received from the packet receiving duplicate and the lower layer. 可将FEC PDU尺寸限于8比特的 FEC PDU size may be limited to 8 bits

整数倍。 Integer multiples.

[0134] FEC层157将用户数据的高层块,如SDU,分割和串接成相同尺寸行,下面还将结合图9A对此做出更详细描述。 [0134] FEC layer 157 blocks the high-level user data, such as SDUs, and concatenation is divided into the same line size below in conjunction with FIG. 9A will be described in more detail made thereto. 每行也可被称为内部块。 Each row may also be referred to as an inner block. 每个协议数据单元(PDU)可以包括开销。 Each protocol data unit (PDU) may comprise overhead. 开销可以包括长度指示符(Li),长度指示符(Li)表示最后一个协议数据单元(PDU) 的开始,由此可以定位来自用户数据特定块的数据,如服务数据单元(SDU)。 Overhead may include a length indicator (Li), a length indicator (Li) indicates the start of a last protocol data unit (PDU), whereby the data can be located from the user data of a particular block, such as service data units (SDU). PDU的集合构成一个编码器分组(EP)或“编码器矩阵”。 Constituting a set of PDU encoder packet (EP) or "coding matrix." 编码器分组(EP)中包括的PDU的数量取决于所使用的外部码等。 PDU number encoder packet (EP) included depends on the external codes used. 将每个编码器“矩阵”行打包到一个独立或分离的传输时间间隔(TTI) 中,能够增强物理层性能。 Each encoder "matrix" packed into a separate line or separate transmission time interval (TTI), the physical layer performance can be enhanced. 为了降低缓冲负担,可以使用较短的传输时间间隔(TTI)持续时间。 In order to reduce the burden of the buffer, you can use a shorter transmission time interval (TTI) duration.

[0135] 然后,可以通过外部码编码器传递编码器分组(EP),以生成奇偶行。 [0135] Then, the packet may be (EP) transmitted by the encoder external-code encoder to generate parity row. FEC层157通过在UMTS陆地无线接入网(UTRAN)20中提供里德_索罗门(RS)编码器的功能,可以执行外部编码,并且通过在用户设备(UE)IO中提供里德-索罗门解码器的功能,可以执行外部解码,下面还将结合图9A对此做出更详细的说明。 FEC layer 157 _ by providing a Reed-Solomon (RS) encoder 20 in the UMTS Terrestrial Radio Access Network (UTRAN) function can perform outer-coding, Reed and by providing a user equipment (UE) IO - the Solomon decoder function outer decoding may be performed, in conjunction with FIG. 9A below will make a more detailed explanation of this.

[0136] 可以把外部编码器产生的奇偶行添加到编码器分组(EP)中,并置入发送缓冲器中,作为一组内部块。 [0136] You can add an external row parity generated by the encoder to the encoder packet (EP), a transmission buffer and placed in a group as an internal block. 每个内部块都有添加到其中从而产生协议数据单元(PDU)的信息。 Each inner block has information added thereto to generate a protocol data unit (PDU) of. 然后,可以传输该组PDU。 Then, the group may be transmitted PDU.

[0137] 该FEC层157还能够恢复属于单个EP的数据,即使收到的不同内部块来自不同蜂窝。 [0137] The FEC layer 157 is also able to recover the data belonging to a single EP, even different internal blocks received from different cells. 这可以通过在每个协议数据单元(PDU)的报头中发送序号(SN)来实现。 This may be achieved by transmitting each protocol data unit (PDU) header of sequence number (SN). 在一个实施例中,系统帧编号(SFN)有助于相对编码器分组(EP)维持数据校准。 In one embodiment, the system frame number (SFN) facilitates relatively encoder packet (EP) to maintain calibration data. 例如,下面还将结合图IOA和10B,对贯穿全文的序号做出更详细的说明。 For example, also in conjunction with the following FIGS. IOA and 10B, the make more detailed description of the serial number throughout the text.

[0138] FEC层157还可以执行填补和重组、用户数据的传输,以及执行高层PDU的有序传送、重复检测和序号检查。 [0138] FEC layer 157 may also perform padding and recombination, transmission of user data, and performing high-order delivery of the PDU, duplicate detection and check number.

[0139] 在图6至图7A所示的实施例中,前向纠错(FEC)层157位于分组数据会聚协议(PDCP)层156和无线链路控制(RLC)层150之间(例如,与BMC层处于相同的层,且在分组数据会聚协议(PDCP)层之下)。 [0139] In the embodiment illustrated in FIG. 6 to FIG. 7A, the front layer 157 is located in a packet data convergence protocol (PDCP) and radio link control layer 156 (e.g., between 150 (RLC) layer forward error correction (the FEC), BMC layer is in the same layer, and a packet data convergence protocol below (PDCP) layer). 通过将前向纠错(FEC)层157刚好设置在无线链路控制(RLC)层150之上,可以优化外部码的性能,因为,内部块尺寸与通过无线发送的分组的“金(gold) ”分组尺寸相匹配。 By layer 157 is provided just prior to forward error correction (FEC) in a radio link control (RLC) layer 150 on top, the outer code can be optimized performance, because the block size and the internal wireless packet transmitted by the "gold (Gold) "match packet size. 然而,应当理解的是,这里给出的前向纠错(FEC)层仅仅出于说明目的、而不具有限制性意味。 However, it should be appreciated that the forward error correction (FEC) layer for illustrative purposes only given herein before, without having limiting meaning. 为了其报头压缩能力,可以在前向纠错(FEC)层157之上使用分组数据会聚协议(PDCP)层156。 To its header compression ability, you can forward packet data convergence protocol (PDCP) layer 157 over the layer forward error correction (FEC) 156. 应当注意的是,分组数据会聚协议(PDCP)层156是为使用专用逻辑信道的点到点(PTP)传输而当前定义的。 It should be noted that a packet data convergence protocol (PDCP) layer 156 is a dedicated logical channel of point to point (PTP) transmissions currently defined. 如图7B所示,前向纠错(FEC)层可以位于接入层中的任何地方,在无线链路控制(RLC)层上或应用层中。 7B, the forward error correction (FEC) layer may be located anywhere in the access layer, a radio link control (RLC) layer or application layer. 前向纠错(FEC)层可以在分组数据会聚协议(PDCP)层之上或之下。 Forward Error Correction (FEC) layer may be on top of packet data convergence protocol (PDCP) layer or below. 如果在应用层80中执行FEC,则其同样适用于GSM和WCDMA,即便这二者的“金”分组尺寸不同。 If perform FEC in the application layer 80, it is equally applicable to the GSM and WCDMA, even if different "gold" of both the packet size.

[0140] 外部码设计 [0140] Design of the outer code

[0141] 新的前向纠错(FEC)层能够对用户平面信息执行外部编码。 [0141] outer layer capable of performing a forward encode new correction (FEC) information on the user plane. 图8中的信息块91和外部码块95示出了外部块码结构的概念。 Block 891 in FIG. 95 and the outer code block diagram illustrating a conceptual configuration of the outer block code. 图9A示出了如何将外部码块结构应用于多媒体广播多播服务(MBMS)数据91的示例。 9A shows how the outer code block structure applied to an example of a multimedia broadcast multicast service (MBMS) data 91. 当在整个蜂窝内广播容忍延迟的内容时,外部编码可以提高物理层性能。 When the broadcast content tolerate delays in the entire cell, the outer coding can improve the physical layer performance. 例如,外部码能够有助于避免蜂窝转换期间和在点到多点(PTM)传输模式和点到点(PTP)传输模式之间转换期间的数据丢失。 For example, the outer code can help to avoid data during conversion and during cellular among multipoint (PTM) transmission mode and a point to point (PTP) transmission mode conversion loss.

[0142] 外部码块95可用矩阵形式来表示,其包括k个协议数据单元91和Nk个奇偶行93。 [0142] 95 outer code blocks can be used to represent a matrix form, which includes k Nk protocol data units 91 and 93 rows parity. 在外部块编码中,可以按照以下步骤,将数据组合成较大的编码器分组或信息块91 :通过分割、串接和填补数据(包括将开销插入内部块中),将用户数据组织成k个负载行•'然后,将所得的信息块91编码,以产生Nk个奇偶行93,可以把这Nk个奇偶行93添加到信息块91中,从而生成外部码块95。 In the outer block coding, can follow these steps, the data are combined into larger encoder packet or block 91: by splitting, concatenation, and padding data (including the overhead is inserted into an inner block), the user data is organized into k line loads • 'then, the resulting encoded information block 91 to generate a parity line 93 Nk, Nk can put parity lines 93 added to the information block 91, so as to generate 95 outer code block. 奇偶块93向信息块91添加了冗余信息。 Parity block 93 adds redundancy information to the block 91. 然后,外部码块的各行可通过单个或多个传输时间间隔(TTI)传输。 Then, each row outer code block may be a single or a plurality of transmission time interval (TTI) through the transport. 该组协议数据单元(PDU)的冗余信息使得能够重建原始信息,即便在传输期间丢失了一些PDU。 The set of protocol data unit (PDU) of redundant information enables reconstruction of the original information is lost during transmission even if some PDU.

[0143] 图9A给出的示例性编码结构名为里德-索罗门(RS)块码。 Exemplary coding structure [0143] FIG 9A given called Reed - Solomon (RS) block code. 里德-索罗门(RS)码可用来检测和校正信道差错。 Reed - Solomon (RS) code is used to detect and correct channel errors. 图9A所示的外部码是一个系统的(n,k)块码,其中,每个里德-索罗门(RS)码符号包括用行和列定义的一个字节的信息。 9A shown in FIG outer code is a systematic block code (n, k), wherein each of the Reed - Solomon (RS) code symbol comprising a byte of information defined by rows and columns. 每个列包括一个里德-索罗门(RS)码字。 Each column includes a Reed - Solomon (RS) codewords. 如果要恢复η个丢失的分组,则需要至少η个奇偶块。 To recover a lost packets η, η is required at least parity blocks. 因此,当奇偶块的数量增加时,所需的存储量也增加。 Thus, when the number of parity blocks, amount of memory required also increases. 在里德_索罗门(RS)编码中,可以向k个系统符号添加Nk个奇偶符号,从而产生一个码字。 _ Reed-Solomon (RS) coding, may be added to the k symbols Nk parity symbols systems, resulting in a codeword. 换言之,里德_索罗门(RS)码[N,k]的一个码字有k个信息或“系统”符号和Nk个奇偶符号。 In other words, _ Reed Solomon (RS) codes [N, k] code word has a k information or "system" Nk symbols and parity symbols. N是码长,k是码维数。 N is the code length, k is the dimension of the code. 对于每k个信息字节,该编码产生η个码符号,其中的前k个码符号与信息符号相同。 For each of the k information bytes, η code generating code symbols, wherein the same first k code symbols and information symbol. 每行可被称为一个“内部块”,并且表示每个传输时间间隔(TTI)内的负载。 Each row can be referred to as an "internal block" and represents the load in each transmission time interval (TTI). 在常规的WCDMA系统中,例如,可以在20毫秒帧(TTI)的基本WCDMA结构上进行传输。 In a conventional WCDMA system, for example, can be transmitted in 20 ms frames (TTI) of the basic structure of WCDMA. 奇偶符号可以使用生成矩阵GkXN从系统符号中导出,如下定义: Parity symbols can be generated using a matrix derived from the system GkXN symbols, defined as follows:

[0144] mlxk · GkXN = c1XN (公式1)[0145] Iii1 xk =信息字=[IH0Iii1. . . m^J (公式2) [0144] mlxk · GkXN = c1XN (Equation 1) [0145] Iii1 xk = information word = [IH0Iii1... M ^ J (Equation 2)

[0146] c1XN =码字=[C。 [0146] c1XN = codeword = [C. C1. ·· Ck-J (公式3) C1. ·· Ck-J (Equation 3)

[0147] 其中,叫、Ci属于任意伽罗瓦域(Galois Field)。 [0147] wherein, called, Ci of arbitrary Galois field (Galois Field). 例如,如果一个里德-索罗门(RS)码字的符号是一个比特,则二维伽罗瓦域(GF(2))将用于描述解码操作。 For example, if a Reed - Solomon symbol (RS) is a code word bits, two Weijialuowa field (GF (2)) will be used to describe the decoding operations. 在一个实施例中,如果符号是一个字节,则256维的伽罗瓦域GF(256)可用于描述解码操作。 In one embodiment, if the symbol is a byte, then the 256-dimensional Galois field GF (256) can be used to describe the decoding operations. 在这种情况下,每个信息列包括每行中的一个字节。 In this case, each column includes a byte of information in each row. 各信息列可用一个[N,k]里德-索罗门(RS)码在二维伽罗瓦域(GF (2))内进行编码。 Each column is available a [N, k] Reed - Solomon (RS) codes encoded within two Weijialuowa field (GF (2)). 如果每行有M个字节,则对外部块编码M次。 If M bytes per line, the M times the external block coding. 因此, 每个外部块95有N*M个字节。 Accordingly, each outer block 95 has N * M bytes. [0148] 刪除信息解码 [0148] decode information deleted

[0149] 外部码结构能够进行删除信息(erasure)校正。 [0149] outer code configuration information can be deleted (Erasure) correction. 如果解码器已经知道哪些符号出错,则重建出错的系统符号需要较少的计算量。 If the decoder already know which symbol error, calculation error is systematic symbols requires less reconstruction. 编码器分组(EP)或矩阵指的是外部编码器的输出端处的整个数据集。 Encoder packet (EP) or matrix refers to the entire set of data at the output of the outer encoder. 从每行中逐列地取出冗余信息,所传输的每行都附加有一个,必须检查CRC以确保数据是正确发送的。 It was removed from each row by the column redundant information, each row attached to a transmitted must be checked to ensure that the CRC is correct transmitted data. 对于MBMS传输而言,每个传输信道块中都必须使用CRC,以表明内部块91是否出错,如果CRC失败,则可以认为该块中的所有符号都出错了。 For MBMS transmission, each transport channel block must use the CRC, the inner block 91 to indicate whether an error if the CRC fails, it can be considered that all symbols are wrong block. 在一个实施例中,如果给定的内部块97出错,则可删除该块的所有比特。 In one embodiment, if a given inner block 97 error, you can remove all the bits of the block. 属于“删除信息”指的是CRC失败的出错块中的每一个符号。 In "Removal Information" refers to a failure of CRC error in each symbol block. 不是删除信息的符号可以被认为是正确的。 It not to remove information symbols can be considered correct. 忽略CRC未检测到差错的概率,每个NX 1列包含正确的符号和删除的符号。 Ignore CRC error is not detected probability of each NX 1 column contains the correct symbols and delete.

[0150] 接收向量r可表示为: [0150] received vector r can be expressed as:

[0151] r1XN = [c0, e, e, c3, e, c6, c8... cN_J (公式4) [0151] r1XN = [c0, e, e, c3, e, c6, c8 ... cN_J (Equation 4)

[0152] 其中,e表示删除信息。 [0152] where, e represents deletion information.

[0153] 删除信息编码能够校正最多Ν-k个出错符号。 [0153] Removal information correction encoding Ν-k can be a maximum error symbols. 因为,不是删除信息的符号可以被认为是正确的,所以,RS码的纠错特性通常远好于典型的RS码。 Because, instead of deleting the information symbols may be considered to be correct, so the error-correcting properties of RS code is generally much better than the typical RS codes. 每个内部块中使用的CRC 的尺寸应当大到足以确保未检测到的差错的概率不超过剩余外部块的概率。 CRC sizes used in each of the internal block should be large enough to ensure that the probability of error is not detected does not exceed the remaining external blocks. 例如,如果内部块中使用的是16比特的CRC,则剩余外部块出错率的下界将是2_16 = 1. 5. 10_s。 For example, if the inner block 16 using the CRC bits, the remaining outer block error rate will be lower bound 2_16 = 1. 5. 10_s. 如果前k个内部块中没有差错,则不需要执行RS解码,因为系统符号与信息符号相同。 If the first k internal block has no error, RS decoding is not required, since the same information symbols and systematic symbols.

[0154] 应当注意的是,一旦收到具有良好CRC的k个块,就可以立即执行外部块的解码, 而不等待接收所有N个内部块。 [0154] It should be noted that, upon receipt of k blocks with good CRC, the decoding can be performed external block immediately, without waiting to receive all of the N inner blocks. 为了执行删除信息解码,通过删除所有与删除或不必要块相对应的列,可以从生成矩阵GkXN中导出修改后的生成矩阵Qkxk,例如,只有前k个良好的接收符号可用于标识修改后的生成矩阵Qkxk。 To delete the decoded information, or deleted by deleting all unnecessary corresponding column block, the generator matrix may be derived from a modified Qkxk GkXN generator matrix, for example, only the first k received symbols may be used to good after identifying the modified generator matrix Qkxk. 原始的信息字m可如下恢每出来: Original information word out of each m may be restored as follows:

[0155] muk = [Hkxkr1 . ruk (公式5) [0155] muk = [Hkxkr1. Ruk (Equation 5)

[0156] 其中,;^xit是修改后的接收向量,它是用前k个良好符号获得的。 [0156] wherein,; ^ xit is modified received vector, which is a good first k symbols obtained. 因此,删除信息解码复杂度可以降低到kXk矩阵倒置。 Therefore, delete information decoding complexity can be reduced to kXk matrix inversion. 所以,使用RS删除信息解码能够极大地简化RS解码的计算复杂度。 Therefore, the RS deletes the information decoding can greatly simplify the calculation complexity of the RS decoding.

[0157] 数据打包对外部码性能的影响 Effect of the outer code performance [0157] Data packing

[0158] 就如同下面参照图11-13所讨论的那样,如果填补信息量和通过无线发送的开销由特定的外部编码机制限制,则外部编码可与变速率数据源结合起来使用,而不会导致太大的开销。 [0158] As just as discussed with reference to Figures 11-13 below, and if the padding information by wireless transmission overhead, the outer code may be a variable rate data source specific binding by the outer coding scheme limits the use of them without cause too much overhead. 在上述外部编码机制中,可以将数据打包成给定尺寸的块,并且,一个缩短的里德-索罗门码可以穿过这些块。 In the outer encoding scheme, the data may be packed into a given size block, and a shortened Reed - Solomon code may pass through these blocks. 可以按照至少两种不同的方式,将编码后的分组数据打包进TTI,下面将参照图9A和9B对此进行描述。 You can follow at least two different ways, the encoded data packet packed into the TTI, below with reference to FIGS. 9A and 9B be described.

[0159] 图9B是图9A的外码码块结构的示意图,其中在每个传输时间间隔(TTI)内可以发送多行。 [0159] FIG 9B is a schematic view of an outer code block code structure of FIG. 9A, wherein a plurality of rows may be transmitted in each transmission time interval (TTI). 根据本发明的另一方面,来自一行的数据在一个TTI内传输。 According to another aspect of the present invention, data from a row within the transmission in one TTI. 在另一实施例中, 来自一个编码器分组(EP)的数据被放入一个TTI中,从而每个TTI包含来自该编码器分组(EP)的数据。 In another embodiment, data from an encoder packet (EP) is placed in a TTI, such that each TTI contain data from the encoder packet (EP) of. 因此,每行都可以在一个独立的WCDMA帧或传输时间间隔(TTI)内传输。 Therefore, within each line can be transmitted in a separate WCDMA frames or transmission time interval (TTI). 在一个TTI内传输每行,将提供更好的性能。 Transmission within a TTI per line, will provide better performance. 在图9B中,k和η都由每个TTI内的行数相除, 一行中的误差可以被全部相关起来。 In FIG. 9B, k and η by the number of rows in each TTI division, line errors may be related to all up. 当观察EP出错率相对TTI出错率时,这产生明显的差 When viewed EP TTI error rate relative error rate, which produces significant difference

Already

[0160] 图9C是图9Α的外码码块结构的示意图,其中在多个传输时间间隔(TTI)内发送各行。 [0160] FIG. 9C is a schematic view of the outer code configuration of FIG 9Α code blocks, wherein the plurality of transmission time interval (TTI) the transmission of each row. 应当理解的是,图9C示出了在四个ΤΤΙ(ΤΤΙ0-ΤΤΙ3)内发送每行编码器分组(EP),但实际上,每行都可以通过任何数量的TTI发送。 It should be appreciated that FIG. 9C each shows a transmission line encoder packet (EP) in the four ΤΤΙ (ΤΤΙ0-ΤΤΙ3), but in fact, each row may be transmitted by any number of TTI. 由于每列都是一个外部码码字,所以,四个不同传输阶段(ΤΤΙ0-ΤΤΙ3)中的每一个都得到一个独立的外部码。 Since the outer code is a code word for each column, so that each of the four different transmission phases (ΤΤΙ0-ΤΤΙ3) are obtained in a separate outer code. 为了恢复整个分组,必须正确地对所有这些独立的外部码进行解码。 To recover the entire packet must correctly decode all of these independent external code.

[0161] 图IOA和IOB是由前向纠错层生成的外部码块的示意图。 [0161] FIGS. IOA and IOB are schematic block outer code generated by the forward error correction layer.

[0162] 通过向MBMS负载数据91添加奇偶行或块9 3,可以在公共或点到多点(PTM)逻辑信道上使用FECc模式来构建外部码块95。 [0162] 93, 95 to construct the outer code block pattern may be used on public or FECc multipoint (PTM) logical channel data by adding 91 parity rows or blocks to the MBMS load. 每个外部块95包括多个内部块91、93。 Each outer block 95 comprises a plurality of inner blocks 91, 93. 通过识别内部块的序号及其相对于编码器分组的位置,可以将每个可用内部块放入正确的位置,从而可以正确地进行外部解码。 By identifying the serial number of the inner block and its position relative to encoder packet may be available inside each block in the correct position, so that the outside may be correctly decoded. 在一个实施例中,每个内部块包括报头94,其用内部块编号m和外部块编号η来标识内部块。 In one embodiment, each of the inner block includes a header 94, which inner and outer block number m η block number identifies the inner block. 例如,外部块η包括:数据部分91,具有m个内部多媒体广播多播服务(MBMS)负载块;冗余部分93,具有M-(m+1)个内部奇偶块。 For example, η external block comprising: a data portion 91, having m internal multimedia broadcast multicast service (MBMS) load block; redundant portion 93 having M- (m + 1) th inner parity blocks. 根据该实施例,MBMS的序号空间可以得到优化,并可由多个不同的序号进行定义,如0至127。 According to this embodiment, the MBMS sequence number space can be optimized, and can be defined by a plurality of different sequence numbers, such as 0 to 127. 序号空间应当足够大,从而,在任何类型的转换导致的接收中断之后,不会出现相同的序号。 Sequence number space should be large enough so that, after conversion of any type of the received interrupt causes, will not be the same number. 接收UE应当能够确定内部块的次序,即便在有些块丢失的情况下。 Receiving UE should be able to determine the order of the inner block, even in the case of the loss of some blocks. 如果UE丢失的内部块太多而无法被整个序号空间识别,则UE无法对内部块进行正确重新排序。 If the number can not be identified throughout the interior space of the UE block too much loss, the UE can not correctly reorder the internal block. 在FECd块和FECc块中,相同内部块的序号是相同的。 In FECd FECc block and blocks, the internal blocks of the same number are the same. FECd块不包括FECc中使用的冗余部分93。 FECd block does not include redundant portion 93 FECc used. FECd实体和FECc实体可以使用通过无线的相同比特率。 FECd FECc entities and entities may use the same bit rate by wireless.

[0163] 发射端 [0163] transmitting end

[0164] 发送前向纠错(FEC)实体410包括:服务数据单元(SDU)缓冲器412,用于接收SDU;分割和串接单元414;外部编码器416,其执行里德-索罗门(RS)编码;序号生成器418,其向编码的PDU添加序号;发送缓冲器420,其通过逻辑信道406发送PDU ;调度单元422。 [0164] transmit the forward error correction (FEC) entity 410 includes: a service data unit (SDU) buffer 412 for receiving SDUs; segmentation and concatenation unit 414; outer encoder 416, which performs Reed - Solomon (RS) encoding; number generator 418, added to the encoded PDU sequence numbers; transmitting buffer 420, which is transmitted through a logical channel PDU 406; 422 scheduling unit.

[0165] 服务数据单元(SDU)缓冲器412通过无线载体402,接收用户数据(FEC SDU),其形式为服务数据单元(SDU),如箭头所示,并且,存储来自高层的FEC SDU0接收缓冲器412 告诉调度单元422将要传输多少数据。 [0165] Service Data Unit (SDU) buffer 412 402 received through the radio bearer user data (FEC SDU), which is in the form of service data units (SDU), as shown by arrows, and is stored from the top of the receive buffer FEC SDU0 412 scheduling unit 422 tells how much data will be transmitted.

[0166] 如上所述,填满编码器分组(EP)所需花费的时间量通常变化,因为信源数据速率通常变化。 [0166] As described above, to fill the encoder packet (EP) takes typically vary the amount of time required, as the source data rate typically varies. 如图13所示,如果能够灵活地确定何时开始打包数据,则可以提高帧填充效率。 13, if the flexibility to determine when to begin the packed data, the frame can be improved charging efficiency. 基于接收FEC实体430的抖动容限,通过尽可能地延迟EP的创建,可以减少所引入的填补 FEC entity based on the received jitter tolerance 430, EP created by delaying as much as possible and to be introduced to reduce the fill

fn息里。 fn interest in.

[0167] 调度实体422可以决定何时开始编码。 [0167] scheduling entity 422 may determine when to start encoding. 优选情况下,调度器422基于特定服务的QoS情况,确定在需要发送一个分组之前可能要等待多久。 Preferably, the case where the scheduler 422 based on the QoS of a particular service, prior to determining a need to send a packet may have to wait long. 一旦调度器422确定已经积累了足够的数据或者已经消耗了最大可接受分组传输延迟,就触发编码器分组(EP)91的创建。 Once the scheduler 422 determines that sufficient data has been accumulated has been consumed or the maximum acceptable packet transmission delay, triggers an encoder packet (EP) 91 is created. 分割和串接单元414将服务数据单元(SDU)分割成多行,并生成长度指示符(Li)。 Segmentation and concatenation unit 414 the service data unit (SDU) into multiple lines, and generates a length indicator (Li).

[0168] 调度单元422优选决定EP或协议数据单元(PDU)的最佳行尺寸,从而使SDU正好填满这些数量的行(例如12)。 [0168] The scheduling unit 422 preferably determines EP or protocol data unit (PDU) of the best row size, so that the SDU exactly fills the number of rows (e.g. 12). 当然,调度器422也可以从RRC配置的那些尺寸中选择将会导致最小可能填补的FEC PDU尺寸,并请求分割和串接功能单元414将SDU格式化成k块, 尺寸为PDU_size-FEC_Header_size。 Of course, the scheduler 422 may be selected from those dimensions RRC configuration will result in the smallest possible size to fill the FEC PDU and requests segmentation and concatenation function unit 414 SDU formatted into k blocks of size PDU_size-FEC_Header_size. 这种格式化可以改变。 This format may be varied. 下面参照图12_13讨论不同类型格式化的例子。 Examples of different types FIG 12_13 discussed below with reference format. 要考虑的数据总量应当包括由串接和分割功能单元414加入的开销。 The amount of data to be considered should comprise a concatenation overhead added and the dividing function unit 414. 为了生成编码器分组(EP),调度器422请求串接和分割功能单元414产生k个该尺寸的PDU。 To generate encoder packet (EP), the scheduler 422 requests concatenation and segmentation unit 414 generates k th functional size of the PDU. 该尺寸包括重组信息。 The dimensions include recombinant information. 在一个实施例中,PDU的尺寸可以为8比特的整数倍,并且,连续PDU 的数据对应于码字中不同符号。 In one embodiment, the PDU size may be an integer multiple of 8 bits, and the data correspond to consecutive PDU codeword different symbols.

[0169] 然后,这k个PDU块可以经过外部编码器416,后者执行里德-索罗门(RS)编码。 [0169] Then, the k blocks may PDU through the outer encoder 416, which performs Reed - Solomon (RS) coding. 通过向编码器分组(EP)矩阵中生成和附加冗余或奇偶信息,外部编码器416对编码器分组(EP)矩阵中的数据进行编码,从而创建外部码块。 Through to an encoder packet (EP) matrix and generating additional redundancy or parity information, outer encoder 416 the encoder packet (EP) data matrix are encoded to create an outer code block. 在一个实施例中,可以假设外部码是一个(n, k)删除信息解码块码,并且外部编码器生成nk个奇偶块。 In one embodiment, it can be assumed that the outer code is a (n, k) block code delete information decoding, and the external encoder generates nk parity blocks. 编码器对相同长度的k行信息执行编码,并将η个该尺寸的协议数据单元(PDU)传递到较低的子层。 The encoder performs encoding of information of k rows of the same length, and η a size of the protocol data unit (PDU) transmitted to the lower sublayer. 前k个块与它接收的块相同,后面的nk个块对应于奇偶信息。 K blocks before it receives the same block, nk behind the blocks corresponding to the parity information.

[0170] 调度器422还监视PTM流的时间校准或相对时间,并执行传输,以调整不同逻辑流的校准。 [0170] The scheduler 422 also monitors flow PTM time alignment or relative time, and performs transmission to adjust various calibration logic flow. 例如,在重新配置期间,可以调整PTP和PTM逻辑流之间的时间校准,以保证服务连续性。 For example, during reconfiguration, can adjust the time alignment between the PTP and PTM logic flows to ensure service continuity. 当这些流完全同步时,可以获得最佳的性能。 These streams when fully synchronized, the best performance can be obtained.

[0171] 不同的基站(或不同传输模式,PTP、点到多点(PTM))传输相同的内容流,但是这些流可能没有校准。 [0171] disparate base station (or a different transmission mode, the PTP, multipoint (the PTM)) identical to stream content, but these streams may not be calibrated. 然而,如果这些数据流的编码器分组(EP)格式相同的话,则各流有关信息完全相同。 However, if the data stream the encoder packet (EP) of the same format, then information about each stream are identical. 通过向每个外部块添加序号,用户设备(UE)能够将两个流组合起来,因为用户设备(UE)知道这两个流之间的关系。 By adding a sequence number to each outer block, the user equipment (UE) capable of combining the two streams, because the user equipment (UE) to know the relationship between the two streams.

[0172] 序号生成器418按照与在编码器416中用来创建PDU相同的顺序,在每个块的前面添加一个序号。 [0172] Reference generator 418 in accordance with encoder 416 to create the same sequence PDU, a sequence number is added in front of each block. 在一个实施例中,例如,序号生成器在每个块的前面添加一个8比特序号,从而生成PDU。 In one embodiment, for example, sequence number generator to add an 8-bit sequence number preceding each block, thereby generating a PDU. 也可以向外部码块添加额外的开销信息。 You can also add additional information to the external overhead code block. 序号空间应当足够大,从而容纳流之间最坏情况的时间差异。 Sequence number space should be large enough to accommodate the worst case the time difference between the flow. 因此,在另一实施例中,可以使用序号空间20,在序号的每个报头中至少预留5个比特。 Thus, in another embodiment, the space 20 may use the serial number, the sequence number in the header of each of at least five reserved bits. 在执行里德-索罗门(RS)编码之后,可以向外部码块中添加该报头,因此该“外部”报头不受外部码的保护。 Performing Reed - Solomon after (RS) encoding, the header may be added to the outer code block, so that the "outer" header not protected by the outer code. 优选情况下,还为奇偶块添加序号, 即便它们无法被传送。 Preferably, also add a parity block number, even though they can not be transmitted. 在一个实施例中,序号相位可以与编码器分组边界对齐。 In one embodiment, the number may be aligned with the phase of the encoder packet boundaries. 序号翻滚(roll-over)对应于接收新的编码器分组。 Reference roll (roll-over) corresponding to the received new encoder packet.

[0173] 前向纠错(FEC)报头格式 [0173] Forward Error Correction (FEC) header format

[0174] 如上所述,数据流的同步可以通过引入序号来实现,所述序号包括与PDU排序相关联的信息。 [0174] As described above, the data stream synchronization can be achieved by introducing a sequence number, the sequence number PDU includes information associated with ordering. 除了重新排序和重复检测,序号还能重新校准来自各编码器分组中包括的相应信源的数据。 In addition to duplicate detection and reordering, but also re-calibration number corresponding to the source data from a packet including the respective encoders. 该序号可以明确标识各分组应当被考虑的次序。 The order in which the serial number can be clearly identified in the packet should be considered. 该序号可以构成一个“FEC 报头”,在执行编码之后,可以将其添加到信息负载单元(PDU)和奇偶块中。 The sequence number may constitute a "FEC header", after encoding is performed, the information can be added to the load unit (PDU) and parity blocks. 序号不应当由外部码保护,因为它需要用于解码。 Reference should not be protected by the outer code because it requires for decoding.

[0175] 图14示出了前向纠错(FEC)报头格式的一个实施例。 A header format Example forward error correction (FEC) [0175] FIG. 14 shows a front. 为了便于将数据和编码器分组(EP)校准,可以分割序号,以包括:预留部分(R)402 ;编码器分组(EP)部分404,其标识该EP(EPSN);附加的编码器分组,其标识编码器数据内特定内部块(IEPSN)406的位置。 In order to facilitate data and the encoder packet (EP) calibration, the serial number may be divided to include: reserving portion (R) 402; encoder packet (EP) portion 404, which identifies the EP (EPSN); additional encoder packet , which identifies the position within a particular internal block data encoder (IEPSN) 406 a.

[0176] 所期望的是,FEC层400能够与所有无线链路控制(RLC)模式互操作。 [0176] It is desirable that, FEC layer 400 can interoperate with all radio link control (RLC) mode. 因为无线链路控制(RLC) AM和无线链路控制(RLC) UM都要求服务数据单元(SDU)的尺寸为8比特的整数倍,所以,FEC层400也应当遵循该要求。 Since the radio link control (RLC) AM and radio link control (RLC) UM requires service data unit (SDU) size of an integer multiple of 8 bits, therefore, the FEC layer 400 should also follow the request. 由于FEC层400基于数据的字节尺寸增量而工作,所以编码器分组(EP)行尺寸也需要是整数个字节。 Since the FEC layer 400 operates based on the byte size of incremental data, the encoder packet (EP) size is also needed is an integer of row bytes. 因此,FEC报头尺寸401也应当是8比特的整数倍,以使无线链路控制(RLC)可以接受FEC协议数据单元(PDU)尺寸。 Thus, FEC header size 401 should also be an integer multiple of 8 bits, so that the radio link control (RLC) protocol acceptable FEC data unit (PDU) size. 在一个实施例中,前向纠错(FEC)报头尺寸401是一个字节,其中,预留部分(R)402包括一个比特,标识EP的部分(EPSN) 404包括3个比特,标识编码器分组内的PDU位置的IEP部分(IEPSN) 406包括4个比特。 In one embodiment, forward error correction (FEC) is a header byte size 401, wherein the reserved portion (R) 402 comprises one bit, portion (EPSN) identified in EP 404 comprises three bits, identification encoder IEP position within the portion of the PDU packet (IEPSN) 406 comprising 4 bits. 在该实施例中,使用了8个比特的序号,因为,希望一个PDU在每个TTI内发送,并且因为,不希望不同蜂窝的传输时机偏差超过100毫秒。 In this embodiment, a sequence number of 8 bits, because a desired transmission PDU in the TTI in each, and because, without wishing to different cells of the transmission timing offset more than 100 milliseconds.

[0177] 发送缓冲器420存储PDU,直到积累了一帧数据为止。 [0177] a transmission buffer 420 stores PDU, until a frame of data accumulated so far. 当请求PDU时,发送缓冲器420在无线接口(Uu)上,通过逻辑信道,向MAC层逐一地传输各帧。 When requested PDUs, the transmission buffer 420 in radio interface (the Uu), through a logical channel, transmission frames one by one to the MAC layer. 然后,MAC层通过传输信道,将PDU传送到物理层,在那里,最终将PDU传送到UE 10。 Then, the MAC layer through a transport channel, transmitting the PDU to the physical layer, where the final PDU transferred to the UE 10.

[0178] 接收端 [0178] receiving end

[0179] 仍参照图11,接收前向纠错(FEC)实体430包括:接收缓冲器/重新排序/重复检测单元438 ;序号去除单元436 ;外部解码器434,其执行里德-索罗门(RS)解码;重组单元/服务数据单元(SDU)发送缓冲器432。 [0179] Still referring to FIG. 11, receiving the forward error correction (FEC) entity 430 comprises: a reception buffer / reordering / duplicate detection unit 438; number removal unit 436; an outer decoder 434, which performs Reed - Solomon (RS) decoding; recombining unit / data service unit (SDU) transmission buffer 432.

[0180] EP矩阵的信息行对应于PDU。 [0180] EP matrix row information corresponding to the PDU. 为了支持外部编码,在触发外部解码之前,接收前向纠错(FEC)实体430积累一定数量的FEC PDU0为了实现连续的接收,尽管需要对编码器分组进行解码,用户设备(UE)缓存进入的协议数据单元(PDU),同时执行解码。 To support the outer coding, before triggering the outer decoding, received before the accumulation of a certain number of forward error correction (FEC) entity 430 FEC PDU0 for continuous reception, despite the need to decode the encoder packet, the user equipment (UE) to enter the buffer protocol data unit (PDU), while performing the decoding.

[0181] 接收缓冲器438可以积累PDU,直到收到全部编码器分组(EP)为止,或者,直到调度单元(未显示)满意不存在编码器分组(EP)的重传为止。 [0181] buffer 438 may accumulate the received PDUs until receipt of all encoder packet (EP) up, or until the scheduling unit (not shown) until the absence of satisfactory retransmitted encoder packet (EP) of. 一旦确定不会再收到给定编码器分组的数据,就可以将丢失的PDU标识为删除信息。 Once no longer receive data for a given encoder packet, you can be identified as a missing PDU delete information. 换言之,在解码过程中,未通过CRC 测试的PDU将由删除信息代替。 In other words, in the decoding process, CRC did not pass the test PDU information will be deleted instead.

[0182] 因为有些块可能在传输过程中会被丢弃,并且还因为不同数据流可能具有不同的延迟,所以,接收前向纠错(FEC)实体430执行重复检测,并可能要在接收缓冲器/重新排序/重复检测单元438中将接收的块重新排序。 [0182] For some block may be discarded during transmission, and also because of the different data streams may have different delays, therefore, performed prior to receiving the duplicate detection forward error correction (FEC) entity 430, and may be in the receive buffer / reordering / duplicate detection unit 438 in the received block reordering. 可以使用每个FEC协议数据单元(PDU)中的序号,来协助进行重新排序/重复检测。 FEC may be used for each protocol data unit (PDU) sequence number, to assist in the reordering / duplicate detection. 在接收缓冲器438中可以使用序号,对收到的乱序数据进行重新排序。 Sequence number may be used in the receive buffer 438, the received data is scrambled for reordering. 一旦对PDU进行了重新排序,重复检测单元就基于序号,检测编码器分组(EP)中的重复PDU,并去除所有重复。 Once the PDU reordered, duplicate detection unit based on the number, detector encoder packet (EP) duplicate PDU, and remove any duplicate.

[0183] 然后,可以去除序号。 [0183] Then, the serial number can be removed. 序号去除单元436从编码器分组(EP)中去除序号,因为序号不能是发送给里德-索罗门(RS)解码器的块的一部分。 No. removing unit 436 is removed from the encoder packet (EP) sequence number, because the number can not be transmitted to the Reed - Solomon block portion (RS) decoder.

[0184] 然后,可以将数据传递到外部解码功能部件434,以恢复丢失的信息。 [0184] Then, data can be passed to an external decoding means 434, to recover the lost information. 外部解码器434接收编码器分组(EP),并且,如果必要的话,通过使用奇偶信息,对编码器分组(EP)进行里德_索罗门(RS)解码,从而重新生成所有出错或丢失的行。 Outer decoder 434 receives an encoder packet (EP), and, if necessary, by using the parity information, the encoder packet (EP) _ Reed-Solomon (RS) decoding, thereby regenerate any error or missing Row. 例如,如果包含信息的所有k个协议数据单元(PDU)都未被正确接收或者η个PDU中少于k个未被正确接收,最多是奇偶PDU尺寸的协议数据单元(PDU),那么,可以执行外部解码,以恢复出丢失的信息PDU。 For example, if all k Protocol Data Unit (PDU) contains information or are not received correctly η PDU is not fewer than k correctly received parity PDU size is at most protocol data unit (PDU), it may be perform external decoding to recover the lost information PDU. 只要执行外部解码,在接收机中就会有至少一个奇偶PDU可供使用。 Whenever the outer decoding, the receiver will have available at least one parity PDU. 如果包含信息的所有k个协议数据单元(PDU)都被正确接收或者η个PDU中少于k个被正确接收,则解码是不必要的。 If all k Protocol Data Unit (PDU) containing information have been received correctly, or fewer than k η th PDU is received correctly, the decoding is unnecessary. 然后,可以将信息协议数据单元(PDU)传递到重组功能部件432。 Then, information of protocol data unit (PDU) may be transmitted to the reassembly function member 432.

[0185] 不管外部解码成功与否,都可以将信息行传递到重组单元/功能部件432。 [0185] Regardless of the success of an external decoder, the information can be passed to the recombinant cell line / feature 432. 重组单元432使用长度指示符(Li),根据编码器分组(EP)的信息行,重组或重建SDU。 Recombinant unit 432 using the length indicator (Li), according to encoder packet (EP) of the information line, recombinant or reconstructed SDU. 一旦将SDU成功放在一起,协议数据单元(SDU)发送缓冲器432就通过无线载体440,将协议数据单元(SDU)传递给高层。 Once the successful SDU together, a protocol data unit (SDU) 432 to the transmission buffer 440, the transfer protocol data unit (SDU) to the higher layers through the radio bearer.

[0186] 在接收前向纠错(FEC)实体430中,使UE延迟解码不同逻辑流之间的时间偏移量,这样可以使系统充分利用潜在的由于逻辑流之间缺乏同步所导致的乱序数据接收。 [0186] In receiving the forward error correction (FEC) entity 430 in the UE delay time offset between the different decoding logic flow, so that the system can take full advantage of the potential lack of synchronization of the chaos caused between the logic flow sequence data reception. 这样,可以使切换期间的以及PTP和PTM之间的转换期间的服务很平滑。 Thus, it is possible that the service switching period and during the transition between the PTP and PTM very smooth. 下面参照图15讨论如何让UE将解码延迟不同逻辑流之间的时间偏移量。 FIG 15 discusses how the UE to decode delay time offset between different logical streams following drawings.

[0187] 编码器分组(EP)诜项:固定或可变行尺寸 [0187] Encoder packet (EP) Shen entry: fixed or variable row size

[0188] 由于协议数据单元(PDU)不必在每个传输时间间隔(TTI)内连续发送,所以FEC 或外部编码实体在何时构建协议数据单元(PDU)具有一定的灵活性。 [0188] Since the protocol data unit (PDU) is not necessary in each transmission time interval (TTI) within the continuous transmission, the FEC encoding or external entity constructing protocol data unit (PDU) and when having a certain flexibility. 这样,可以提高帧填充效率和降低填补开销。 In this way, it can improve efficiency and reduce filling frame filling overhead.

[0189] 如果需要的话,外部编码实体可以在每个传输时间间隔(TTI)生成负载。 [0189] If desired, the external entity may generate load encoding each transmission time interval (TTI). 因为可以从高层接收服务数据单元(SDU),所以可以实时地构建协议数据单元(PDU)。 Because may receive service data units (SDU) from a high level, it is possible to construct a protocol data unit (PDU) in real time. 如果构建协议数据单元(PDU)的数据不够,则RLC可以增加填补信息。 If the data protocol data constructing unit (PDU) is insufficient, the RLC padding information may be increased.

[0190] 固定行尺寸的编码器分组(EP) [0190] fixed row size encoder packet (EP)

[0191] 当对SDU 201-204进行编码时,所期望的是,尽可能减少被传输的填补信息量。 [0191] When encoding SDU 201-204, it is desirable to reduce the amount of information to be transmitted to fill as much as possible.

[0192] 在一个实施例中,编码器分组(EP)矩阵205的行尺寸是固定尺寸。 [0192] In one embodiment, the encoder packet (EP) size of the matrix line 205 is a fixed size. 根据编码器分组(EP)矩阵205的先验知识,能够将数据校准回到它们的原始配置。 The encoder packet (EP) matrix 205 prior knowledge, the calibration data can be returned to their original configuration. 因为要发送的SDU 201-204的行尺寸是预先知道的,所以,只要收到数据,就可以启动传输,而不必等着看要发送多少数据。 SDU size to be sent because the line of 201-204 is known in advance, so long as the data is received, you can start the transfer, rather than waiting to see how much data to send.

[0193] 图12A的例子示出了根据数据单元201-204创建外部码块214的编码过程,其中,外部码块214的行尺寸是固定的。 Examples [0193] FIG. 12A shows a unit of data blocks 201-204 to create an external code encoding process 214, wherein the outer code block row size 214 is fixed. 在该例子中,用户数据的形式为多个服务数据单元(SDU) 201-204,它们包括任意尺寸的比特块,其尺寸取决于具体的应用(视频、话音等)。 In this example, the form of the user data into a plurality of service data units (SDU) 201-204, which includes a bit block of an arbitrary size, the size depending on the particular application (video, voice, etc.).

[0194] 为了能够传输任意尺寸的FEC SDU,可以在FEC—级执行分割、串接和填补。 [0194] In order to transmit FEC SDU of any size, may be FEC- stage performs segmentation, concatenation, and padding. 尽管严格地讲,串接不是必须的,但缺少它将导致高层数据吞吐量的明显降低。 Although strictly speaking, the series is not necessary, but the lack of it will lead to significantly reduce the high level of data throughput.

[0195] 可以先把高层SDU 201-204格式化成该固定PDU尺寸。 [0195] SDU 201-204 can be formatted into a first level of the fixed PDU size. 在该实施例中,分割/串接功能部件生成固定尺寸的内部块,可将其指示到用户单元。 In this embodiment, the segmentation / concatenation function generates an internal block member fixed size, which may indicate to the user unit. 在步骤220中,可以将这组内部块进行分割和串接,而成为编码器分组矩阵205的一部分,其包括:内部块;必要程度的填补信息208 ;长度指示符(Li) 206,可用于指向服务数据单元(SDU) 201-204的末端,以表明多少个SDU结束于该EP的给定行中。 In step 220, this group may be an internal block segmentation and concatenation, and become part of the matrix encoder packet 205, comprising: an inner block; the extent necessary padding information 208; length indicator (Li) 206, may be used point service data unit (SDU) terminal 201-204 to indicate how many of the SDU ends at the EP given row. 下面讨论的外部编码器使用这些内部块来生成冗余块。 External encoder discussed below using these internal blocks to generate redundant block. [0196] 在无线链路控制(RLC)中,长度指示符(Li)表明每个服务数据单元(SDU)相对于协议数据单元(PDU)、而不是服务数据单元(SDU)的末端。 [0196] Radio Link Control (RLC), a length indicator (Li) showed that the end of each service data unit (SDU) with respect to the protocol data units (PDUs), but not a service data unit (SDU) of. 这有助于降低开销,因为PDU尺寸通常小于服务数据单元(SDU)的尺寸。 This helps to reduce overhead, because the PDU size is generally smaller than the size of a service data unit (SDU) of. 例如,长度指示符(Li)可用于表明在负载数据单元(PDU)内结束的每个FEC服务数据单元(SDU)的最后一个字节。 For example, the length indicator (Li) can be used to indicate each FEC service data unit (SDU) in the payload data unit (PDU) of the end of the last byte. 可以将“长度指示符”设置成FEC报头结尾和FEC SDU段最后一个字节之间的字节数量。 "Length Indicator" can be set to the number of bytes between the end of the FEC header and FEC SDUs last byte segments. 长度指示符(Li)优选包括在该长度指示符(Li)所指的PDU中。 Length Indicator (Li) is preferably included in the PDU Length Indicator (Li) referred to in. 换言之,长度指示符(Li)优选指向相同的负载数据单元(PDU),并且,优选与长度指示符(Li)所指的FEC SDU具有相同的次序。 In other words, the length indicator (Li) preferably point to the same load data units (PDUs), and, preferably with the length indicator (Li) within the meaning of FEC SDU has the same order.

[0197] 当接收到外部块时,诸如长度指示符(Li)之类的信息可用于让接收机知道服务数据单元(SDU)和/或填补信息开始于哪里和结束于哪里。 [0197] Upon receiving the external block, such as a length indicator information (Li) or the like may be used to let the receiver know the service data unit (SDU) and / or where the padding information starts and ends where.

[0198] 因为不可能用FEC报头中的一个比特来指明是否存在长度指示符(Li),所以,FEC 层在负载内添加一个固定报头,其指明是否存在长度指示符(Li)。 [0198] it is not possible to indicate whether there is a length indicator (Li) with a bit of the FEC header, therefore, the load added FEC layer in a fixed header, which indicates whether there is a length indicator (Li). 内部报头或LI提供重建SDU 201-204所需的全部信息。 Internal header or LI provide all the information needed 201-204 SDU reconstruction. LI可以包括在它所指的RLC-PDU中。 LI may be included in RLC-PDU in which it refers. 是否存在第一个LI可通过RLC-PDU的序号报头中包括的标记来指示。 LI whether or not there may be indicated by a marker sequence number of the RLC-PDU header is included. 每个LI中的比特可用来指示其扩展。 Each bit in the LI can be used to indicate its extension. 为了使长度指示符(Li)的长度随FEC PDU而改变,可以为一个字节长度指示符(Li)引入一个新特殊值,以表示前一SDU还差一个字节就能填满最后一个PDU。 In order to make the length indicator (Li) with the FEC PDU length change, we can introduce a new value to a particular byte length indicator (Li), to indicate a worse previous SDU can fill the last byte PDU . 长度指示符(Li)存在比特可用多种方式来实现,下面介绍其中的两种。 Length Indicator (Li) of bits available for the presence of a variety of ways, two of which are described below.

[0199] 在一个实施例中,可以在每个协议数据单元(PDU)中提供一个长度指示符(Li)存在比特。 [0199] In one embodiment, a length indicator may be provided (Li) in each protocol data unit (PDU) in the presence of bits. 例如,可以在每个编码器分组(EP)行的开始处添加一个字节,该字节中的一个比特表示是否存在Li。 For example, a byte can be added at the beginning of each encoder packet (EP) line, a bit of the byte indicating whether Li. 每个协议数据单元(PDU)的第一个字节的全部都可以为该“存在比特” 而预留。 "Presence bits" reserved all of the first byte of each protocol data unit (PDU) for a can. 为了容纳该存在比特,长度指示符数据可以缩短1个比特。 In order to accommodate the presence of the bit, the data length indicator can be shortened 1 bit. 通过在每个协议数据单元(PDU)中提供一个存在比特,当EP解码失败时也能够对SDU进行解码,即便第一个PDU 丢失。 When decoding fails EP decoding can be performed by providing an existing SDU bits in each protocol data unit (PDU), even when the first PDU is missing. 这可以降低剩余差错率。 This may reduce the residual error rate. 在每个PDU中提供存在比特可实现实时的串接/分割。 Bits may provide real-time presence of concatenation / segmentation in each PDU.

[0200] 在另一实施例中,可以在第一个PDU中提供长度指示符(Li)存在比特。 [0200] In another embodiment, the length indicator may be provided in the first PDU (Li) of bits exist. 不在每个PDU的开始处添加开销,而是在该EP的第一个PDU开始处添加所有k个信息PDU的存在比特。 Not add overhead at the beginning of each PDU, but the presence of added information bits of all k PDU at the beginning of the first PDU of the EP. 当具有很大的SDU和/或很小的PDU时,在编码器分组(EP)的开始处提供存在比特, 可以降低开销。 When the SDU has a large and / or small PDUs, provided the presence of the bit at the beginning of the encoder packet (EP), the overhead can be reduced.

[0201] 在分割和串接之后,EP 205包括多行,这些行由多个服务数据单元(SDU) 201-204 中的至少一个和填补块占用。 [0201] After the segmentation and concatenation, EP 205 comprises a plurality of rows, the rows by a plurality of service data units (SDU) 201 - 204 and at least one padding block occupancy. 可以设计外部块的行尺寸,从而,在一个传输时间间隔(TTI) 内以峰值数据速率传输每个行。 Can be designed to block size of the external row, so that, in one transmission time interval (TTI) at the peak data rate transmission of each row. 服务数据单元(SDU)通常不能与传输时间间隔(TTI)内发送的数据量校准。 Service data unit (SDU) normally not the transmission time interval (TTI) the amount of data transmitted in the calibration. 因此,如图11所示,第二SDU 202和第四SDU204并未分别填充在EP的第一和第二行传输时间间隔(TTI)中。 Thus, as shown in FIG 11, the second and fourth SDU204 SDU 202 are not filled in each of the first and second rows EP transmission time interval (TTI) in. 在该例子中,EP有12行可用于数据,可将四个SDU 201-204打包到这12行的前三行中。 In this example, EP 12 lines for data, four SDU 201-204 may be packed into the first three rows of the 12 rows. EP 205的其余行可由填补块208占用。 EP 205 remaining rows of block 208 by padding occupation. 因此,可以分割第二个SDU 202,从而,使第二个服务数据单元(SDU) 202的第一部分开始于信息块的第一行,第二个SDU 202的第二部分结束于第二行中。 Accordingly, the second split SDUs 202, so that the second service data unit (SDU) of the first portion 202 begins at the first row of blocks, the second end of the second portion of SDUs 202 in the second row . 同样,可以分割第三个SDU,从而,使第三个服务数据单元(SDU) 203的第一部分开始于第二行,第三个SDU 203的第二部分结束于第三行中。 Similarly, the third SDU can be segmented, and thus the third service data unit (SDU) of the first portion 203 begins at the second row, the third portion 203 of the second SDU ends at the third row. 第四个服务数据单元(SDU) 204填在第三行中,第三行的剩余部分可用填补块208来填充。 The fourth service data unit (SDU) 204 filled in the third row, the third row remaining portion of block 208 may be used to fill the fill. 在该例子中,编码器分组(EP)213主要由填补信息208构成。 In this example, an encoder packet (EP) 213 208 mainly composed padding information.

[0202] 编码器使用该EP生成冗余或奇偶信息。 [0202] The EP encoder uses redundant or parity information generated. 在步骤240中,通过添加外部奇偶块214, 编码器将中间的分组矩阵205进行编码,从而生成外部码块213,其长度是16块。 In step 240, the encoder packet of the intermediate matrix 205 by adding outer parity coding block 214, thereby generating the outer code block 213, its length is 16. 编码器从每块的每列中提取8比特数据,从而创建结果数据210。 The encoder extracts 8-bit data from each column of each block, creating 210 data results. 里德-索罗门(RS)编码器对结果数据210进行编码,从而得到四行冗余或奇偶信息212。 Reed - Solomon (RS) encoder 210 encodes the resultant data to obtain four rows of redundant or parity information 212. 奇偶信息212可用来生成外部奇偶块214,可以把外部奇偶块214添加到EP矩阵205中,从而生成16块外部码块213。 The parity information 212 may be used to generate an external parity block 214, block 214 can be added to the outer parity EP matrix 205, to thereby generate 16 outer code block 213.

[0203] 图12B示出了通过无线传输的上述信息的例子。 [0203] FIG 12B illustrates an example of the above information to be transmitted wirelessly. 在步骤160中,在向EP 205的每行添加包括序号的附加开销之后,这16块外部码块213作为协议数据单元(PDU) 214,可通过无线传输。 In step 160, after adding the additional overhead including a sequence number to each row in EP 205, which 16 outer code block 213 as protocol data unit (PDU) 214, via wireless transmission. 在下行链路上发送的协议数据单元(PDU) 214中没有传输全部编码器分组(EP)矩阵213。 Protocol data unit (PDU) transmitted on the downlink transmission 214 is not all encoder packet (EP) matrix 213. 相反,协议数据单元(PDU)包括信息位201-204和编码器分组(EP)矩阵213的长度指示符(Li) 206。 In contrast, a protocol data unit (PDU) comprises information bits 201-204 and encoder packet (EP) matrix 213, a length indicator (Li) 206. 由于编码器分组(EP)213的行尺寸是固定的,因此,在接收机中是已知的,所以,不必通过无线实际传输填补信息208。 Since the encoder packet (EP) size of the line 213 is fixed, and therefore, are known in the receiver, it is unnecessary to 208 wireless actual padding information transmission. 填补信息208不通过下行链路传输,因为填补值是已知的,所以,不必传输填补信息208。 Padding information 208 without passing through the downlink transmission, because the padding value is known, it is unnecessary to transport padding information 208. 例如,如果填补信息由已知的比特序列构成,如全0、全1或0和1的交替模式,则接收机能够填充协议数据单元(PDU) 214,最多达到额定的编码器分组(EP) 213行尺寸。 For example, if the padding information is composed of known bit sequence, such as all zeros, all or an alternating pattern of zeros and ones, the receiver can be filled with a protocol data unit (PDU) 214, up to a maximum rated encoder packet (EP) 213 line size. 因此,在传输期间,不用选择PDU尺寸等于EP 行尺寸,可以使用承载所有信息位201-204和重组开销(如Li) 206的最小可用EP尺寸。 Thus, during transmission, without selecting the PDU size is equal to EP row size, you can carry all the information bits and 201-204 overhead recombinant (e.g. Li) Minimum 206 EP sizes available.

[0204] 尽管编码器矩阵的行尺寸是固定的,但在每次发送时都可以从给定集合中选择FEC PDU尺寸,从而,使每一个都包括一个编码器矩阵行的所有信息部分(可以排除填充信息)。 [0204] While the encoder matrix row size is fixed, but can be selected from a given FEC PDU size set at every transmission, so that each of all the information portion comprises a line encoder matrix (can be exclude padding information). 当收到的PDU的尺寸小于编码器矩阵行尺寸时,UE可用已知的比特序列填补到该尺寸。 When the size of the received PDU is smaller than the size of the encoder matrix row, UE using known bit sequence to fill this size. 这样,内部块尺寸保持固定,而不增加空中接口上的负担。 Thus, the internal block size remains fixed, without increasing the load on the air interface. 因此,通过使用固定行尺寸的编码器分组(EP) 213,在开始发送协议数据单元(PDU)之前不必等到所有数据可用,并且还可以不必发送填补信息。 Thus, by using the fixed row encoder packet size (EP) 213, at the beginning of a data transmission protocol unit (PDU) without waiting until all the data is available, and you may also need to transmit padding information.

[0205] 如果用上面实现的算法来处理变速率传输,则可以使用速率均衡机制,其中,所有编码器分组矩阵行具有恒定尺寸。 [0205] If the above algorithm to handle variable rate transmission, the rate-balancing mechanism may be used, wherein all matrix row encoder packet having a constant size. 当填补信息构成PDU的一部分时,可使用较小的PDU。 When padding information forms part of the PDU, the use of smaller PDU. 填补信息可由特定的比特序列构成,并可以位于数据的末端。 Padding information bit sequence by a particular configuration, and may be located at the end of the data. 在接收机中,通过在末端附加填补信息,从低层接收的块的尺寸可以被平均到基本线尺寸。 In the receiver, by the additional information at the end of filling, the size of the block may be received from the lower layer to the base line average size.

[0206] 如果使用预定的比特序列来进行填补,则该填充信息不经过无线传输。 [0206] If a predetermined bit sequence to fill, the padding information without wireless transmission. 接收机不必知道实际的编码器分组行尺寸,除非接收机需要执行外部解码。 Receiver does not know the actual line encoder packet size, unless the receiver needs to perform outer decoding. 基本的SDU重组不需要知道位于PDU末端的填补信息量。 The basic SDU reassembling not need to know the amount of information located to fill the end of the PDU. 如果收到了包含来自前k个编码器分组(EP)行的信息的所有PDU,则外部解码是不必要的。 If the received PDU contains all the information from the previous k encoder packet (EP) of the line, the outer decoding is unnecessary. 相比之下,如果包含来自前k个编码器分组(EP)的信息的至少一个PDU丢失,则需要至少一个包含来自一个奇偶行的数据的PDU。 In contrast, if the first k contains information from the encoder packet (EP) of the at least one PDU is lost, at least a PDU containing data from one row of the parity. 由于奇偶行通常不是填补的,所以,对于需要假定的实际编码器分组尺寸,该尺寸可用作参考。 Since the parity line is normally not filled, therefore, the need for an assumed actual encoder packet size, the size is used as a reference.

[0207] 可变行尺寸编码器分组(EP) [0207] Encoder Packet Size variable row (EP)

[0208] 图13示出了创建具有可变行尺寸的外部码块313的编码过程。 [0208] FIG. 13 illustrates a block of code to create an external line having a variable size of the coding process 313.

[0209] 本发明的这一方面涉及对通过无线接口传输的数据进行灵活的外部块编码。 This aspect [0209] The present invention relates to a flexible external block coding of the data via the radio interface. 该编码过程可以降低传输的填补信息,从而提高帧填充效率。 The encoding process can reduce the transmission of padding information, thereby improving the efficiency of the filling frame. 编码器分组(EP)305行可以是可变尺寸,并且,在每个传输时间间隔(TTI)中可以发送不同尺寸的外部块。 Encoder packet (EP) 305 may be a row of variable size, and, in each transmission time interval (TTI) can be sent outside of blocks of different sizes. 优选情况下, 编码器分组(EP) 305的行尺寸改变,从而,使SDU正好填满编码器分组(EP) 305的这些数量(如12)的行。 Preferably, an encoder packet (EP) size change line 305, so that the SDU exactly fills the encoder packet (EP) 305 of these numbers (e.g., 12) of the row. 在该实施例中,在构建EP之前,FEC层必须等待所有数据成为可用,从而FEC 可以确定最佳行尺寸。 In this embodiment, prior to constructing EP, FEC layer must wait for all the data becomes available, so that the optimum FEC row size can be determined. 可以基于可用的数据量,从多个不同尺寸中选择行尺寸,从而限制填补信息。 Can be selected from a plurality of different sizes row size based on the amount of data is available, thereby limiting the padding information. 可以将编码器分组(EP)的行尺寸链接到为S-CCPCH而配置的PDU尺寸集合。 The encoder can be grouped (EP) size of the row is linked to the S-CCPCH PDU size configured set. 根据需要生成编码器分组305时可用的数据量,可以选择产生最小填补信息的行尺寸。 Needs to be generated when the amount of data available according to encoder packet 305 may be selected to produce the minimum line size of the padding information. 通过减小外部块313的尺寸,从而使每帧中的块尺寸更小,可以按照更低的传输速率来发送数据, 因为通过相同TTI持续时问发送的数据较少。 By reducing the size of the outer block 313, so that the block size is smaller in each frame, the data may be transmitted in accordance with a lower transmission rate, since less data transmission duration asked by the same TTI. 使用编码器分组(EP)305的可变行尺寸,有助于在编码器分组(EP)的所有传输内稳定功率要求,并且还利用了更少的奇偶开销314。 An encoder packet (EP) size of the variable row 305 helps in all transport encoder packet (EP) stabilized power requirements, and also utilizes fewer parity overhead 314. 该实施例适用于诸如WCDMA等系统中的点到多点(PTM)传输,其中,下面的无线协议允许每个传输时间间隔(TTI)内发送的传输块尺寸变化。 This embodiment is applicable to systems such as WCDMA, etc. multipoint (PTM) transmission, wherein, following radio protocol allows each transmission time interval (TTI) transmitted transport block size variation within. [0210] 在步骤320中,可以将多个服务数据单元(SDU) 201-204进行分割和串接,从而生成一个编码器分组(EP)矩阵305,其中,长度指示符(LI) 206用于指向服务数据单元(SDU) 201-204的一端。 [0210] In step 320, a plurality of service data units (SDU) 201-204 segmentation and concatenation, thereby generating an encoder packet (EP) matrix 305, wherein the length indicator (LI) 206 for point service data unit (SDU) of the end 201-204. 长度指示符(LI)可以包括在每个服务数据单元(SDU)所终止的最 Length indicator (LI) may be included in each service data unit (SDU) terminated most

后一行中。 After a row.

[0211] 在步骤330中,在列的基础上,通过从每个数据块中提取8个比特的数据,生成冗余或奇偶信息,所得数据310可被发送到里德-索罗门(RS)编码器,从而获得奇偶信息312。 [0211] In step 330, on the basis of the column, by extracting data of 8 bits from each data block, generates redundant or parity information, the resulting data 310 may be sent to the Reed - Solomon (RS ) encoder 312 so as to obtain parity information. 因为编码器分组(EP)矩阵305的行比较小,所以会产生较少的冗余信息。 Because the encoder packet (EP) matrix row 305 is relatively small, it will produce less redundant information.

[0212] 在步骤340中,编码继续,奇偶信息312用于生成可添加到12块编码器分组(EP) 矩阵305中的外部奇偶块314,从而生成一个外部码块,在该例子中其长度是16块。 [0212] In step 340, the encoder continues, for generating the parity information 312 may be added to 12 encoder packet (EP) matrix 305 outer parity block 314, thereby generating an external code block, in this example its length It is 16. 该实施例避免了填补信息传输,这改善了传输性能,因为整个码块313由SDU、长度指示符(LI)206 和/或冗余信息314占用。 This embodiment avoids the padding information transmission, which improves transmission performance, since the entire code block 313 and / or redundant information 314 occupied by SDUs, a length indicator (LI) 206. 在该具体示例中,不需要填补。 In this particular example, no padding. 但是,应当理解的是,在有些情况下,由于PDU的配置尺寸的数量是有限的,故需要一些填补信息,但只是需要较少量的填补信息。 However, it should be understood that, in some cases, since the number of dimensions of the configuration of the PDU is limited, it requires some padding information, but only require a lesser amount of padding information. 这样,可以提高帧填充效率,还可以在整个编码器分组(EP)内维持更稳定的功率。 Thus, the frame can be improved charging efficiency, may also maintain a more stable power across the whole encoder packet (EP). 在使用功率控制方案的CDMA系统中,这是人们所期望的。 In CDMA systems, power control scheme, which is it desirable.

[0213] 尽管图中没有显示,但PDU通过无线传输的方式类似于上面结合图12的步骤260 所讨论的方式。 Embodiment discussed [0213] Although not shown, the PDU through a wireless transmission 12 similar to the above in conjunction with step 260 of FIG.

[0214] 图11是外部编码或前向纠错(FEC)层400的一个实施例,在无线链路控制(RLC) 层之上有RLC无确认模式(UM)+实体(RLCUM+)。 [0214] FIG. 11 is an embodiment of an outer or forward error correction coding (FEC) layer 400 a, there is over a radio link control RLC (RLC) layer unacknowledged mode (UM) + entity (RLCUM +). 通常,无线链路控制(RLC)为高层提供组帧操作。 Typically, a radio link control (RLC) provided for the top framing operation. 这里,位于无线链路控制(RLC)之上的FEC层执行组帧操作。 Here, it located in a radio link control (RLC) layer above the FEC framing operation performed.

[0215] 外部编码层400包括一个发送前向纠错(FEC)实体410,其通过无线接口(Uu) 404,经由逻辑信道406,与接收前向纠错(FEC)实体430进行通信。 [0215] outer layer 400 comprises encoding 410, which, via a logical channel 406, send a pre forward error correction (FEC) entity via a radio interface (Uu) 404 to receive the forward error correction (FEC) communicating entity 430.

[0216] 重新排序/重复检测 [0216] reordering / duplicate detection

[0217] 图15是重新排序协议或算法,它能够使移动站10将编码延迟不同逻辑流之间的时间偏移量。 [0217] FIG. 15 is a reordering protocol or algorithm, which enables the mobile station 10 encodes the delay time offset between different logical streams.

[0218] 接收前向纠错(FEC)实体430使用序号,确定EP矩阵内给定PDU的位置。 [0218] sequence number before using the received forward error correction (FEC) entity 430, determines the position of a given PDU in EP matrix. 例如, 序号的一部分(PSN)标识PDU在编码器分组(EP)中的位置。 For example, a portion of the serial number (PSN) identifies the position of the encoder PDU packet (EP) of.

[0219] 该算法假设:在可以启动解码之前,最多收到来自两个编码器分组(EP)的数据。 [0219] The algorithm assumes that: before the decoding can be started, up to receive data packets from the two encoders (EP) of. 在下面的描述中,编码器分组(EPd)是按顺序要解码的下一编码器分组(EP),而编码器分组(EPb)是正被缓存的编码器分组(EP)。 In the following description, the encoder packet (EPD) is in the order to be decoded next encoder packet (EP), the encoder packet (EPb) is being buffered encoder packet (EP). 编码器分组(EPb)跟随着编码器分组(EPd)。 Encoder Packet (EPb) followed encoder packet (EPd). 需要完全编码器分组传输时间来执行RS解码的UE实现需要进行两次缓存,从而能够对连续分组进行解码。 Need to completely encoder packet transmission time to perform RS decoding of UE implementation requires two cache, it is possible to continuously decode the packet. 因此,UE存储编码器矩阵的最大尺寸行的至少n+k个(k和n,分别是信息行的数量和包括奇偶行的行的总数量)。 Thus, the largest dimension of at least n rows of the matrix storing the encoded UE + k th (k and n, respectively, the total number of information lines and rows including row parity). 具有较快解码引擎的UE可以降低该要求,但不小于n+1。 UE has a fast decoding engine can reduce the requirements, but not less than n + 1. 例如,如果UE的特定量的缓冲空间(XtraBffr)超过基于其解码能力接收连续分组所需,并且,如果采用64kbps的流,则在不增加计算要求的情况下将解码延迟100毫秒需要缓冲器尺寸增加800个字节。 For example, if the amount of a particular UE buffer space (XtraBffr) greater than the received packets based on their ability to decode the desired continuous, and, if the stream of 64kbps, then without increasing the computational requirements of decoding delay buffer size needs 100 ms increased by 800 bytes.

[0220] 在框1410中,可以判断是否收到一个新的前向纠错(FEC)协议数据单元(PDU)。 [0220] In block 1410, may determine whether a new received forward error correction (FEC) Protocol Data Unit (PDU). 如果没有收到新的前向纠错(FEC)协议数据单元(PDU),则流程从框1410重新开始。 If no new Forward Error Correction (FEC) Protocol Data Unit (PDU), the procedure restarts from block 1410. 如果收到了新的前向纠错(FEC)协议数据单元(PDU),则在框1420中,可以判断该新的前向纠错(FEC)协议数据单元(PDU)是否属于下一按顺序要解码的编码器分组(EPd)。 If you receive a new forward error correction (FEC) Protocol Data Unit (PDU), then in block 1420, it may determine whether the new data before the protocol unit (PDU) belongs to the next sequential forward error correction (FEC) decoding the encoder packet (EPd). [0221] 如果前向纠错(FEC)协议数据单元(PDU)不属于下一按顺序要解码的编码器分组(EP),那么,在框1421中,判断该前向纠错(FEC)协议数据单元(PDU)是否属于正被缓存的编码器分组(EPb)。 [0221] If the forward error correction (FEC) Protocol Data Unit (PDU) in order not to be decoded next encoder packet (EP), then, in block 1421, determines the forward error correction (FEC) protocols data unit (PDU) belongs being buffered encoder packet (EPb). 如果该前向纠错(FEC)协议数据单元(PDU)不属于正被缓存的编码器分组(EPb),那么,在框1440中,可以丢弃该协议数据单元(PDU)。 If the former not being buffered encoder packet (EPb) forward error correction (FEC) protocol data units (PDUs), then, in block 1440 may discard the protocol data unit (PDU). 如果该前向纠错(FEC) 协议数据单元(PDU)属于正被缓存的编码器分组(EPb),那么,在框1423中,可以将协议数据单元(PDU)添加到Epb的缓冲器中的关联位置。 If the buffer before being belongs encoder packet (EPb) to the protocol data unit (PDU) Correction (the FEC), then, in block 1423, it may be protocol data unit (PDU) was added to the buffer Epb associated location. 在框1425中,可以判断Epb的数据量是否超过XtraBffr。 In block 1425, based on the amount of data exceeds Epb XtraBffr. 如果在框1426中判定Epb的数据量不超过XtraBffr,则流程从框1410 重新开始。 If determined that the data amount does not exceed XtraBffr Epb In block 1426, the process begins again from block 1410. 如果Epb的数据量超过XtraBffr,则在框1428中,发送实体试图传送来自Epd 的全部SDU。 If the amount of data exceeds Epb XtraBffr, then in block 1428, the transmitting entity attempts to transmit the entire SDU from Epd. 然后,在框1430中,可以从缓冲器中清除Epd的剩余部分,然后在框1434中, 可以将Epb设置成Epd。 Then, in block 1430, the remaining portion Epd be cleared from the buffer, and at block 1434, may be set to Epb Epd.

[0222] 如果在框1420中判定该前向纠错(FEC)协议数据单元(PDU)属于Epd,则在框1422中,可以将协议数据单元(PDU)添加到EPd的缓冲器中的关联位置。 [0222] If it is determined that the forward error correction (FEC) block 1420 in the protocol data unit (PDU) belonging Epd, then in block 1422, may be protocol data unit (PDU) was added to the associated position in the buffer EPd . 在框1424中,可以判断缓冲器是否有Epd的k个单独PDU。 In block 1424, it may determine whether the buffer has Epd k individual PDU. 如果缓冲器没有Epd的k个单独PDU,则在框1426中,流程重新开始于框1410。 If the buffer is not Epd k individual PDUs, then in block 1426, the process begins at block 1410 again. 如果缓冲器有Epd的k个单独PDU,则在框1427中,解码器执行Epd的外部解码,然后在框1428中,发送实体试图传送来自Epd的全部SDU。 If the buffer has Epd k individual PDUs, then in block 1427, the decoder performs outer decoding Epd then in block 1428, the transmitting entity attempts to transmit the entire SDU from Epd. 然后, 在框1430中,可以从缓冲器中清除Epd的剩余部分,接着在框1434中,可以将Epb设置成Epd。 Then, in block 1430, the remaining portion Epd be cleared from the buffer, then in block 1434, it may be set to Epb Epd.

[0223] 图16示出了当移动站在接收来自蜂窝A 99的点到多点(PTM)传输和来自蜂窝B 99的点到多点(PTM)传输之间转换时移动站接收的外部码块之间的时间关系。 [0223] FIG. 16 shows an external code when switching between the cellular mobile station A 99 receives from the point to multipoint (PTM) transmissions from cellular and 99 B-multipoint (PTM) transmission received from the mobile station the relationship between time blocks. 由Grilli 等在2002年8月21提交的美国专利申请US-2004-0037245-A1和US-2004-0037246-A1以及由Willenegger等在2002年5月6日提交的美国专利申请US-2003-0207696-A1中对图16的一些方面做了进一步的说明,故将其全部以引用方式并入此处。 Grilli et filed by US patent filed in August 2002, 21 US-2004-0037245-A1 and US-2004-0037246-A1 and US-2003-0207696 by a patent in the United States and other Willenegger May 6, 2002 filed -A1 to do further explanation of some aspects of FIG. 16, it will be incorporated by reference in its entirety herein.

[0224] 所描述的情形满足特定的UMTS陆地无线接入网(UTRAN) 20和用户设备(UE) 10要求。 [0224] described situation satisfies a specific UMTS Terrestrial Radio Access Network (UTRAN) 10 and 20 requires a user equipment (UE). 例如,如果UTRAN 20在不同蜂窝内使用相同的外部块编码来发送内容,则在相邻蜂窝中,在承载相同数据或负载的块上应当使用相同的编号。 For example, if the UTRAN 20 transmits content using the same external block coding in different cells, the adjacent cell, it should be the same number on the same data block or load carrying. 具有相同编号的外部块的发送时间比较一致。 More consistent transmission time of the external block with the same number. 跨越这些蜂窝的PTM传输的最大失准由无线网络控制器(RNC)24控制。 PTM transmission across these cellular maximum misalignment controlled by a radio network controller (RNC) 24. UTRAN 20控制不同蜂窝的点到多点(PTM)传输上的延迟抖动。 UTRAN 20 multipoint control different cell (PTM) transmission delay jitter. UE 10在接收下一块时应当能够对外部块进行解码。 UE 10 should be able to decode the outside when a reception block. 因此,UE中的缓冲器空间应当优选容纳至少两个外部块95A-95C,因为容纳当前的外部块需要一个外部块的存储器。 Thus, buffer space in the UE should preferably accommodate at least two external blocks 95A-95C, since receiving block requires a current external memory of the external block. 存储器还应当能够容纳多行外部块,如果里德-索罗门(RS)解码期间的外部块,以及,补偿基站22之间的时间对准的不准确。 The memory should also be able to accommodate multiple rows of the outer block, if the Reed - the time period between the outer block Solomon (RS) decoding, and a base station 22 aligned compensation inaccuracies.

[0225] 在蜂窝A 98中,在外部块n 95A传输过程中,转换发生在第二个内部多媒体广播多播服务(MBMS)负载块传输期间。 [0225] In the honeycomb 98 A, the outer block n 95A during transmission transition occurs during the second internal multimedia broadcast multicast service (MBMS) transmission load block. 箭头96示出的用户设备(UE)10从蜂窝A 98到蜂窝B 99的转换不是水平的,因为在转换期间流逝了一些时间。 Arrow 96 shows a user equipment (UE) 10 from cell B to cell A 98 conversion is not the level of 99, because during the transition some time elapsed. 在用户设备(UE)10到达蜂窝B 99之前,正在发送的是第五块多媒体广播多播服务(MBMS)负载数据。 Before a user equipment (UE) 10 reaches the cell B 99, the fifth block is being sent a multimedia broadcast multicast service (MBMS) payload data. 因此,由于相应传输的时间失准和转换期间流逝的时间,用户设备(UE) 10会错过第二至第四块。 Thus, since the respective transmission loss time elapsed during registration and conversion time, a user equipment (UE) 10 will miss the second to fourth block. 如果在蜂窝B 99中收到足够的块,则照样可以对外部块n 95A进行解码,因为可以使用奇偶块来重建丢失的块。 If the receipt of sufficient B cell block 99, it can still be decoded outer block n 95A, because the parity blocks may be used to reconstruct the missing blocks.

[0226] 此后,在发送外部块n+2 95C期间,用户设备(UE) 10经历了从蜂窝B 99到蜂窝A98的另一次转换,其发生于外部块n+295C的第五个多媒体广播多播服务(MBMS)负载块。 [0226] Thereafter, the outer block transmission period n + 2 95C, a user equipment (UE) 10 B 99 from the cellular undergone conversion to another cell A98, which occurs in the outer block n + 295C fifth Multimedia Broadcast multicast service (MBMS) load block. 在这种情况下,转换期间丢失的内部块较少,故仍可以恢复外部块。 In this case, less internal blocks lost during the conversion, it is still outside the block can be restored.

[0227] 使用外部码块有助于降低任何服务中断的概率。 [0227] using an external code block can help reduce the probability of any service disruption. 为了确保差错恢复顺利工作,应当在各传输路径上发送相同的块,这意味着,奇偶块在每个传输路径中的构建方式应当相同。 In order to ensure the smooth functioning of error recovery, the same block should be transmitted on each transmission path, which means that, in each parity block constructed embodiment the transmission path should be the same. (多媒体广播多播服务(MBMS)负载块在各路径中需要相同,因为这是广播传输)。 (Multimedia Broadcast Multicast Service (MBMS) in the load block requires the same path, because this is the broadcast transmission). 在上面的应用层80中执行前向纠错(FEC)有助于确保各传输路径中的奇偶块相同,因为编码是在前向纠错(FEC)层157中完成的,因此对于各外部块都相同。 80 before executing the application in the upper layer helps forward error correction (FEC) parity blocks to ensure the same in each transmission path, because the encoding is performed forward error correction (FEC) layer 157, and thus for each outer block They are the same. 相比之下,如果编码是在低层完成的,例如,在各无线链路控制(RLC)实体152中完成,则需要一些协调,因为各传输路径中的奇偶块不相同。 In contrast, if the encoding is completed in the lower, e.g., in the completion of a radio link control (RLC) entity 152, require some coordination, since each parity block in the transmission path are not identical.

[0228] 从点到多点(PTM)到点到点(PTP)的转换 [0228] transition from the point to multipoint (PTM) to point (PTP) of

[0229] 图17示出了当出现点到多点(PTM)传输和点到点(PTP)传输之间转换时移动站10接收的外部码块之间的时间关系。 [0229] FIG. 17 shows a relationship between the external time code block when switching between multipoint (PTM) transmission and point appears (PTP) transmission received from the mobile station 10. 例如,图17所示的方案适合利用了点到点(PTP)传输的系统,如W⑶MA和GSM系统。 For example, the embodiment shown in FIG. 17 using the appropriate point (PTP) transmission systems, such as GSM systems and W⑶MA.

[0230] 本发明的一个方面涉及前向纠错,在PTM传输期间,这通过添加奇偶信息或块到内部MBMS负载或数据块而实现。 [0230] An aspect of the present invention relates to error correction before, during PTM transmission, this parity information by adding to an internal or block or block MBMS load is achieved. 在PTM传输期间发送的每个外部码块包括至少一个内部负载块和至少一个内部奇偶块。 Each outer code block transmitted during a PTM transmission comprises at least one inner and at least one internal load block parity blocks. 例如,当UE从一个蜂窝转换到另一蜂窝时或者当MBMS内容传送在统一服务蜂窝内从PTM连接改变为PTP连接或反过来时,外部码块的纠错能力会明显降低,并消除或转换期间MBMS内容或“负载”的丢失。 For example, when the UE transitions from one cell to another cell or when the MBMS content transmission from the PTM connection in the changed serving cell during uniform PTP connection or vice versa, error correction capability of the outer code blocks will be significantly reduced, eliminated or converted and MBMS content or lost during the "load" of.

[0231] 如上所述,给定的蜂窝能够使用PTP或PTM传输方案向用户10发送。 [0231] As described above, can be given cell using the PTP or PTM transmission scheme to a user 10. 例如,在PTM 传输模式下通常发送广播服务的蜂窝可以选择建立专用信道,然后在PTP模式下发送(只向特定用户10),如果该蜂窝中对于该服务的要求降低到特定门限之下的话。 For example, typically sends a broadcast service in the PTM transmission mode cell can be selected to establish a dedicated channel, and then send the PTP mode (only 10 to a particular user), if the cell reducing requirements for the service below a certain threshold then. 同样,通常在专用信道(PTP)上发送内容的蜂窝也可以决定通过广播信道向多个用户广播内容。 Similarly, the cellular content is generally transmitted on a dedicated channel (PTP) may be determined through a broadcast channel broadcast content to multiple users. 此外, 一个给定蜂窝可能在PTP传输模式下发送内容,而另一蜂窝可能在PTM传输模式下发送相同的内容。 Further, a given cell may transmit content in the PTP transmission mode, while the other cell may send the same content in the PTM transmission mode. 当移动站10从一个蜂窝转移到另一蜂窝时,或者,当一个蜂窝内的用户数量改变时,会出现转换,从而触发从PTP到PTM或从PTM到PTP的改变。 When the mobile station 10 moves from one cell to another cell, or when the number of users in a cell changes, will be converted to trigger a change from PTP to PTM from PTM to PTP or the.

[0232] 在外部块n 95A进行点到多点(PTM)传输期间,转换出现在第四个内部多媒体广播多播服务(MBMS)负载块的传输过程中。 [0232] During the outer block n 95A for point to multipoint (PTM) transmission, transition occurring during transmission of the fourth internal load block multimedia broadcast multicast service (MBMS) in. 表示用户设备(UE)从点到多点(PTM)传输转换到点到点(PTP)传输的箭头101的斜率不是水平的,因为在转换期间会流逝一些时间。 Represents a user equipment (UE) transitions from Multipoint (PTM) transmission to the slope is not horizontal arrows point to point (PTP) transmission 101, as will be converted during the passage of some time. 当出现从PTM 101到PTP的转换时,无线传输比特率保持大约相同。 When switching from PTP to PTM 101 occurs, the wireless transmission bit rate remains approximately the same. 点到点(PTP)传输的误码率通常低于(例如,在传输期间,每100个负载块中有一个差错或更少)。 Point to Point (PTP) transmission error rate is generally lower than (e.g., during transmission, each load block 100 has an error or less). 相比之下, 在点到多点(PTM)传输中,误码率可能较高。 In contrast, in the point to multipoint (PTM) transmissions, the bit error rate may be higher. 例如,在一个实施例中,基站在每16个传输时间间隔(TTI)内生成一个外部块,这些TTI中的12个可由负载块占用,另4个TTI可由奇偶块占用。 For example, in one embodiment, the base station 16 is generated within each transmission time interval (TTI) of an external block, the TTI of the load block 12 can be occupied by the other four parity blocks occupied TTI. 所能容忍的最大数量块差错是16中的4个内部块(12个基本块+4个奇偶块)。 The maximum number of block error that can be tolerated is 16 four inner blocks (basic blocks 12 + 4 parity blocks). 因此,最大容忍块出错率为1/4。 Thus, the maximum tolerable block error rate is 1/4.

[0233] 当移动站从点到多点(PTM)传输转换101到点到点(PTP)传输时,可能会丢失有些内部块。 [0233] When the mobile station from the point to multipoint (PTM) transmission converter 101 to point (PTP) transmission, some internal blocks may be lost. 假设点到多点(PTM)传输和点到点(PTP)传输在物理层中具有大约相同的比特率,那么,PTP传输使得MBMS负载块的发送比PTM传输块,因为,平均来说,重传的块的比例通常低于奇偶块的比例。 Suppose multipoint (PTM) transmission and point to point (PTP) have approximately the same transmission bit rate in a physical layer, then, the PTP MBMS transmission so that the transmission ratio of the load block PTM transmission block, because, on average, a weight block transmission ratio is generally lower than the proportion of the parity blocks. 换言之,点到点(PTP)传输通常远快过点到多点(PTM)传输,因为, 统计地讲,奇偶块的数量远大于无线链路控制(RLC)重传(Re-Tx)的数量。 In other words, point to point (PTP) transmission is usually much faster than the point to multipoint (PTM) transmission because, statistically speaking, the number of parity blocks is much greater than the radio link control (RLC) retransmissions (Re-Tx) number . 因为转换101 是从点到多点(PTM)传输变成通常快很多的点到点(PTP)传输的,所以,当用户设备(UE) 10转换101到点到点(PTP)传输时,第一块多媒体广播多播服务(MBMS)负载数据被发送。 Because the conversion from the 101 point to multipoint (PTM) transmissions generally becomes much faster point (PTP) transmission, so when a user equipment (UE) 10 to a 101-point conversion (PTP) transmission, the a multimedia broadcast multicast service (MBMS) payload data is sent. 因此,各传输的时间失准以及转换101期间流逝的时间,都不会导致任何块的丢失。 Therefore, each time the transmission misalignment and the passage of time during the transition 101, will not result in the loss of any block. 因此,当从点到多点(PTM)传输变成点到点(PTP)传输时,一旦在目标蜂窝中建立了PTP链路,就可以通过简单从当前外部块的开始重启而弥补丢失的负载块。 Thus, when the point becomes (PTP) transmission from a point to multipoint (PTM) transmission, once the target cell in a PTP link is established, it can compensate for the loss of load from the present block by simply restarting the outside Piece. 通过从相同外部块的开始处启动传输,即,使用第一内部块,可由网络来补偿。 Start from the beginning of the same is transmitted through the external block, i.e., using a first inner block, it may be compensated network. 然后,网络可以恢复由于所有外部块的更快传递导致的转换所引入的延迟。 Then, the network can restore a delay due to the transmission of all external blocks quickly cause conversion introduced. 通过降低转换期间的数据丢失,可以降低这样的转换可能导致的MBMS内容传送中断。 By reducing data loss during the conversion, you can reduce MBMS content such conversion may result in the transfer is interrupted.

[0234] 然后,在外部块n+2的PTP传输期间,用户设备(UE) 10发生了到点到多点(PTM)传输模式的另一次转换103。 [0234] Then, in the outer block n-PTP transmission period + 2, the user equipment (UE) 10 has occurred to-multipoint (PTM) transmission mode conversion of another 103. 在图12中,从点到点(PTP)传输到点到多点(PTM)传输的该转换103发生在外部块n+2中的最后一个内部多媒体广播多播服务(MBMS)负载块处。 In FIG 12, the transmission from point to point (PTP) to multipoint (PTM) transmission occurs outside the conversion block 103 the last n + 2 in internal multimedia broadcast multicast service (MBMS) at the load block. 在这种情况下,除最后一个内部块以外,外部块n+2中的很多内部多媒体广播多播服务(MBMS) 负载块已经被发送出去。 In this case, except for the last one inside the block, a number of internal outer block n + 2 multimedia broadcast multicast service (MBMS) load block has been transmitted. 在不提供反馈的情况下,通常使用FEC。 In the case where no feedback is provided generally used FEC. 因为PTP传输使用专用信道,因此,在反向链路上有反馈能力,所以,使用FEC并非很有益。 Because PTP transmission using a dedicated channel, therefore, on the reverse link feedback capacity, so that the FEC is not very useful. 在交叉转换中,为了减少或消除数据丢失,UMTS陆地无线接入网(UTRAN) 20优选基于PTP传输中的RLC确认模式(AM)的低残留块出错率,恢复出在转换到PTM传输期间可能丢失的所有内部块。 In cross-conversion, in order to reduce or eliminate the loss of data, UMTS Terrestrial Radio Access Network (UTRAN) 20 is preferably based on PTP transmission RLC acknowledged mode (AM) low residual block error rate, may be recovered during the transition to the PTM transmission lost all internal block. 换言之, 可以使用常规的第二层重传,把在原始传输中检测到差错的任何分组进行重传。 In other words, the second layer using conventional retransmission packet to detect any errors in the retransmission of the original transmission. 因此,如图17所示,PTP传输中不需要奇偶块。 Thus, as shown in Figure 17, PTP transmission does not require parity blocks. 如果在点到点(PTP)传输过程中负载块出现差错,则不必对外部块进行解码,因为,无线链路控制(RLC)将会请求重传所有出错块。 If an error occurs in the load block point to point (PTP) transmission, it is not necessary for the external block is decoded, because the radio link control (RLC) will request retransmission of all the erroneous blocks. 也就是说,当PTP传输期间出现错误时,移动站10请求重传,或者,当所以块都正确时,不发生重传,并可以利用传输格式零(TF0)。 That is, when an error occurs during the PTP transmission, the mobile station 10 requests a retransmission, or when it blocks are correct, the retransmission does not occur, and can use the transmission zero format (TF0). 外部编码优选在协议栈的第二层中完成,从而,使每个内部块97 的尺寸正好填入一个传输时间间隔(TTI),因为这可以提高编码效率。 Outer coding is preferably done in the second layer of the protocol stack, such that the size of each inner block 97 just fill a transmission time interval (the TTI), because this can improve the encoding efficiency.

[0235] 如果前向纠错(FEC)外部编码是在协议栈的高层中完成的,例如,在应用层中,则发送奇偶块,而不管传输方案(点到点(PTP)或点到多点(PTM))。 [0235] If the front is done to the outer code correction (FEC) at the top of the protocol stack, for example, in the application layer, the parity block is sent, regardless of the transmission scheme (Point to Point (PTP) or point to multi- point (PTM)). 因此,也可以向点到点(PTP)传输添加奇偶块。 Thus, the parity blocks may be added to the point to point (PTP) transmission.

[0236] 如上所述,在PTP传输中不必使用奇偶块,因为可以用更高效的重传方案取代前向纠错。 [0236] As described above, in the PTP transmission without the use of parity blocks, as before may be substituted with a more efficient retransmission scheme of forward error correction. 由于优选情况下不在PTP传输中发送奇偶块,所以,平均而言,全部外部块的传送快于PTM,假设无线传输比特率相同。 Preferably the PTP since transmission is not transmitting parity blocks, so, on average, all of the external transport block faster than the PTM, assuming the same bit rate wireless transmission. 这样,UE就能够补偿从点到多点(PTM)到点到点(PTP) 转换所导致的中断,因为可以根据PTM传输来预测PTP传输。 Thus, it is possible to compensate for the UE resulting from the interruption point to multipoint (PTM) to point (PTP) conversion, because it can be predicted according to the PTP transmission PTM transmission. 用户设备(UE)可以正确地恢复外部块,通过组合以下块:(1)在新蜂窝中或转换后,在点到点(PTP)传输中接收的内部块;(2)在老蜂窝中或转换前,在点到多点(PTM)传输中接收的内部块。 User equipment (UE) can correctly recover outer block, block by combining the following: (1) a new cell or conversion, internal block received at point (PTP) transmission; (2) in the old cell or before conversion, received in the inner block multipoint (PTM) transmission. 用户设备(UE)可以把转换前收到的内部块和转换后收到的内部块(它们属于相同外部块)进行组合。 User equipment (UE) can receive internal blocks received before conversion and the converted internal blocks (blocks which belong to the same external) combined. 例如, 用户设备(UE) 10可以把通过点到点(PTP)传输接收的外部块n+2中的内部多媒体广播多播服务(MBMS)负载块和通过点到多点(PTM)传输接收的外部块n+2中的内部多媒体广播多播服务(MBMS)负载块组合起来。 For example, a user equipment (UE) 10 can be point to point (PTP) transmissions received in the outer block n + 2 in the interior of multimedia broadcast multicast service (MBMS) and the load block (PTM) transmissions received by the multipoint outer block n + 2 in the interior of multimedia broadcast multicast service (MBMS) combined load block. UMTS陆地无线接入网(UTRAN)20根据PTM链路上的传输轻微地“预测”发向接收来自PTP链路MBMS内容的所有用户的外部块传输,能够使该处理更顺利。 UMTS Terrestrial Radio Access Network (UTRAN) 20 slightly "prediction" to send received blocks all external transmission link from the user of PTP MBMS content, it is possible to make the process more smoothly in accordance with PTM transmission on the link.

[0237] 由于UTRAN根据PTM传输来预测外部块的传输,所以,从PTP到PTM的无缝转换是可能的。 [0237] Since the UTRAN PTM transmission according to the prediction block is transferred from the external, so that a seamless switch from PTP to PTM are possible. 因此,跨越蜂窝边界和/或在诸如PTM和PTP之类的不同传输方案之间的MBMS内容传送也是无缝的。 Thus, across the cell edge and / or MBMS PTM and the content delivery between the different transmission schemes such as a PTP it is seamless. “时间预期”可用内部块数量来表示。 "Expected Time" indicates the number of available internal blocks. 当用户设备(UE)10转换到PTM传输时,即使转换时间内不存在通信链路,用户设备(UE) 10最多可能丢失“时间预期”数量的内部块,而不会伤害MBMS的接收质量。 When a user equipment (UE) 10 transitions to PTM transmission, even though the communication link does not exist in the conversion time, the user equipment (UE) 10 may be lost up to the "time expected" number of inner blocks, without harming the quality of the received MBMS. 如果UE直接在PTP中启动MBMS接收,则UTRAN 可以在PTP传输开始时立即应用“时间预期”,因为UTRAN 20能通过避免空内部块(TF0)而慢慢地预期外部块的传输,直到该预期达到所需“时间预期”数量的内部块为止。 If the UE starts directly in the PTP MBMS reception, the UTRAN may apply immediately at the beginning of the transmission PTP "Expected Time", can be avoided since the UTRAN 20 is empty inner blocks (TF0) and slowly outside the expected transport block, until the expected desired "expected time" until the number of internal blocks. 从这点开始,UTRAN可以保持“时间预期”恒定。 From this starting point, UTRAN can maintain the "expected time" constant.

[0238] 在点到多点(PTM)中,不能依靠无线网络控制器(RNC)中可用的UE特定反馈信息。 [0238] In multipoint (PTM), the feedback information can not rely on the UE-specific radio network controller (RNC) available. 在点到点(PTP)传输中,UE 10可以告知RNC在转换之前正确接收的最后一个外部块的编号。 In the point to point (PTP) transmission, UE 10 may inform the external block number of the last correctly received RNC before conversion. 这应当适用于(从PTM或从PTP)到PTP的任何转换。 This should apply to any conversion (from the PTM or PTP) to the PTP. 如果该反馈不被认为是可接受的,则UTRAN 20可以估计用户设备(UE) 10在状态转换之前可能接收到的最后一个外部块。 If the feedback is not considered acceptable, the UTRAN 20 may estimate a user equipment (UE) 10 may be the last external block received before the state transition. 该估计可以基于不同蜂窝传输之间可预测的最大时间误差,以及,基于当前正在发送的或在目标蜂窝中很宽就要发送的外部块。 The maximum time error estimation can be predicted based on different cellular transmission, and, based on the outer block will be transmitted is currently being transmitted in the target cell or in the wide.

[0239] 可以执行前向纠错(FEC),从而能够恢复转换期间丢失的所有块。 [0239] may be performed prior to forward error correction (FEC), it is possible to recover all blocks lost during conversion. 这样可以降低转换期间内容丢失的概率,从而实现“无缝的”转换。 This can reduce the probability of missing content during conversion, in order to achieve "seamless" transition. 该方案假设当相同的外部块从每个信源传输时发生从点到点(PTP)到点到多点(PTM)传输的转换,这通常在假定外部块的持续时间相对于转换的持续时间的情况下发生。 This scenario assumes that the same occurs when the external block is transferred from each source from the point to point (PTP) to multipoint (PTM) transmissions conversion, which is usually assumed that the duration of the external block with respect to the duration of the conversion the case occurred.

[0240] UE 10中的存储量可以与跨越相邻蜂窝的PTM传输的时间校准精确度进行折衷。 Time Calibration [0240] The storage 10 UE may PTM transmission across neighboring cells compromise accuracy. 通过放宽对用户设备(UE)10中的存储器要求,可以提高PTM UTRAN 20传输的时间精确度。 By relaxing the user equipment (UE) 10, memory requirements can be increased in the UTRAN 20 times PTM transmission accuracy.

[0241] 图18示出了在来自无线网络控制器(RNC)A的点到点(PTP)传输和来自无线网络控制器(RNC)B的点到点(PTP)传输之间的转换或重定位过程中移动站10接收的外部码块之间的时间关系。 [0241] FIG. 18 shows a conversion between the transmission point or from a radio network controller (RNC) A is (PTP) and point to point transmission from a radio network controller (RNC) B is (PTP) weight positioning the mobile station the temporal relationship between the outer code block 10 is received. 术语“RNC”可与术语“基站控制器(BSC)”互换地使用。 The term "RNC" may be used interchangeably with the term "base station controller (the BSC)." 在“重定位”期间,用户设备(UE)10从由第一RNC A 124控制的区域中的内容流的点到点(PTP)传输转换到由第二RNC B 224控制的区域中的相同内容流的点到点(PTP)传输。 During the "relocation", 10-point (PTP) from a first content region controlled by the RNC A 124 flow in a user equipment (UE) transmits the converted content to the same second area controlled by the RNC B 224 flow-point (PTP) transmission. 可使用重传(re_Tx) 来补偿所有丢失的MBMS负载块。 Using retransmission (re_Tx) to compensate for any missing MBMS load block. 在蜂窝之间从点到点(PTP)到点到点(PTP)的直接转换的执行方式类似于版本99的软切换或硬切换。 In the implementation of direct conversion between the cellular from point to point (PTP) to point (PTP) is similar to the version 99 of soft handover or hard handover. 即使没有两个RNC A、B之间的协作,目标RNC A 124也应当能够计算出UE10接收的最近完整外部块。 Even without two RNC A, the cooperation between B, the target RNC A 124 should be able to calculate the most recent received full outer block UE10. 该估计可能基于由RNC 24在Iu接口25上接收的MBMS内容的时机。 The estimate may be based on the RNC 24 in Iu MBMS content received on 25 interface timing. 当使用PTP传输时,RNC 24可以弥补初始延迟,并且,MBMS内容不会有任何部分丢失,而不需要无损的SRNS重定位。 When using the PTP transmission, RNC 24 can make an initial delay, and, the MBMS content does not have any missing part, without the need lossless SRNS relocation.

[0242] 本领域技术人员应当理解,尽管这里为便于理解而画出了有序的流程图,但在实际实现方式中,有些步骤可以并行地执行。 [0242] Those skilled in the art will appreciate that, although for ease of understanding the flow chart depicts the sequential, but in actual implementations, some steps may be performed in parallel. 此外,除非明确指示,方法步骤可以互换,而不偏离本发明的保护范围。 Further, unless expressly indicated, the method steps can be interchanged without departing from the scope of the present invention.

[0243] 本领域技术人员应当理解,信息和信号可用多种不同技术和方法来表示。 [0243] Those skilled in the art would understand that information and signals may be a variety of different technologies and techniques. 例如,在上面说明书中提及的数据、指令、命令、信息、信号、比特、符号和码片可用电压、电流、电磁波、磁场或粒子、光场或粒子或其任意组合来表示。 For example, in the above mentioned specification data, instructions, commands, information, signals, bits, symbols, and chips available voltages, currents, electromagnetic waves, magnetic fields or particles, optical fields or particles, or any combination thereof.

[0244] 本领域技术人员还会明白,这里结合所公开的实施例描述的各种示例性的逻辑框、模块、电路和算法步骤均可以实现为电子硬件、计算机软件或二者的结合。 [0244] Those skilled in the art will appreciate that the herein disclosed in conjunction with various exemplary embodiments of logical blocks, modules, circuits, and algorithm steps may be implemented as a combined electronic hardware, computer software, or both. 为了清楚地示出硬件和软件之间的可交换性,以上对各种示例性的组件、框、模块、电路和步骤均以其功能性的形式进行总体上的描述。 To clearly illustrate this interchangeability of hardware and software, the above described general, various illustrative components, blocks, modules, circuits, and steps in terms of their functionality. 这种功能性是以硬件实现还是以软件实现取决于特定的应用和整个系统所施加的设计约束。 This functionality is implemented as hardware or software depends upon the particular application and design constraints imposed throughout the system. 熟练的技术人员能够针对每个特定的应用以多种方式来实现所描述的功能性,但是这种实现的结果不应解释为导致背离本发明的范围。 The skilled artisan should be able to explain the results for each particular application in a variety of ways to implement the described functionality, but such implementation as causing a departure from the scope of the present invention. [0245] 利用通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现场可编程门阵列(FPGA)或者其他可编程的逻辑器件、分立门或者晶体管逻辑、分立硬件组件或者它们之中的任意组合,可以实现或执行结合这里公开的实施例描述的各种示例性的逻辑框图、模块和电路。 [0245] with a general purpose processor, a digital signal processor (DSP), application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or they various illustrative logical blocks, modules, and circuits among any combination, may be implemented or performed with embodiments disclosed herein described. 通用处理器可能是微处理器,但是在另一种情况中,该处理器可能是任何常规的处理器、控制器、微控制器或者状态机。 A general purpose processor may be a microprocessor, but in another case, the processor may be any conventional processor, controller, microcontroller, or state machine. 处理器也可能被实现为计算设备的组合,例如,DSP 和微处理器的组合、多个微处理器、一个或者更多结合DSP核心的微处理器或者任何其他此种结构。 A processor may also be implemented as a combination of computing devices, e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core or any other such configuration.

[0246] 结合这里公开的实施例所描述的方法或者算法的步骤可直接体现为硬件、由处理器执行的软件模块或者这二者的组合。 [0246] Example embodiments disclosed herein in conjunction with the described steps of a method or algorithm may be embodied directly in hardware, in a software module executed by a processor, or a combination of both. 软件模块可能存在于RAM存储器、闪存、ROM存储器、 EPROM存储器、EEPROM存储器、寄存器、硬盘、移动磁盘、⑶-ROM或者本领域熟知的任何其他形式的存储媒质中。 A software module may exist in any other form of storage medium RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, ⑶-ROM or well known in the art. 一种典型存储媒质与处理器耦合,从而使得处理器能够从该存储媒质中读信息,且可向该存储媒质写信息。 An exemplary storage medium is coupled to the processor such that the processor can read information from the storage medium, and write information to, the storage medium. 在替换实例中,存储媒质是处理器的组成部分。 In the alternative, the storage medium may be integral to the processor. 处理器和存储媒质可能存在于一个ASIC中。 Processor and the storage medium may reside in an ASIC. 该ASIC可能存在于一个用户站中。 The ASIC may reside in a user station. 在一个替换实例中,处理器和存储媒质可以作为用户站中的分立组件而存在。 In the alternative, the processor and the storage medium may exist as discrete components in a user station.

[0247] 所述公开的实施例的上述描述可使得本领域的技术人员能够实现或者使用本发明。 [0247] The foregoing description of the disclosed embodiments may enable those skilled in the art to make or use the present invention. 对于本领域技术人员来说,这些实施例的各种修改是显而易见的,并且这里定义的总体原理也可以在不脱离本发明的范围和主旨的基础上应用于其他实施例。 Of ordinary skill in the art, various modifications to these embodiments will be apparent, and the generic principles defined herein may be applied to other embodiments without departing from the scope and spirit of the present invention. 例如,尽管在说明书指出无线接入网20可用通用陆地无线接入网(UTRAN)空中接口来实现,但是,在GSM/ GPRS系统中,接入网20可能是GSM/EDGE无线接入网(GERAN),或者,在系统间情况下,它可能包括UTRAN空中接口的蜂窝和GSM/EDGE空中接口的蜂窝。 For example, while indicating the radio access network 20 can be used in the description Universal Terrestrial Radio Access Network (UTRAN) to implement the air interface, however, in the GSM / GPRS system, access network 20 may be a GSM / EDGE radio access network (GERAN ), or, in the case where inter-system, which may include a cellular UTRAN cellular air interface and GSM / EDGE air interface. 因此,本发明并不限于这里示出的实施例,而是与符合这里公开的原理和新颖特征的最广范围相一致。 Accordingly, the present invention is not limited to the embodiments shown herein, but is consistent with the principles and novel features disclosed herein widest scope.

[0248] 本专利文档公开内容的一部分包含受版权保护的材料。 A part of the disclosure of this patent document [0248] comprising a material subject to copyright protection. 版权所有者并不反对专利文档或专利公开出现在专利商标局专利文件或记录中时的传真复制,但在其他情况下保留所有的版权权利。 Copyright owner has no objection to the facsimile copy of the patent document or the patent disclosure appears in the Patent and Trademark Office patent file or records, but all copyright rights whatsoever in other cases.

Claims (68)

  1. 一种在无线链路控制(RLC)层之上提供的外部编码系统,包括:目的站,包括接收机;以及发起站,包括发射机,所述发射机通过无线接口,经由公共逻辑信道,与所述接收机进行通信;其中,所述发射机包括:第一缓冲器,用于存储多行用户信息;调度单元,用于:确定在需要发送外部码块之前的最大持续时间,基于所述第一缓冲器中存储的用户信息的量,确定信息块的最佳尺寸,该最佳尺寸使所述多行用户信息能够以减少所述信息块的未填充部分的方式占用所述信息块,以及生成一个请求,以启动所述多行用户信息的编码;分割与串接单元,响应于来自所述调度单元的请求,将所述多行用户信息进行分割,以适合具有所述最佳尺寸的所述信息块,以及,在各信息块内生成长度指示符,所述长度指示符表示相对于该信息块的一行用户信息的末端; Outer coding system provided on the radio link control (RLC) layer, comprising: a destination station, including a receiver; and the initiating station comprising a transmitter over a wireless interface, via a common logical channel, and the communication receiver; wherein, said transmitter comprising: a first buffer for storing user information of a plurality of rows; scheduling means for: determining a maximum duration needs to be transmitted before the outer code blocks, based on the a first buffer is the amount of user information is stored, to determine the optimal block size information, the optimal size of said plurality of rows of user information can reduce the unfilled portion of said information block a manner occupying the information block, and generating a request to start coding the rows of user information; segmentation and concatenation unit, in response to a request from the scheduling unit, the user information divided plurality of rows, with the optimal size to fit the information block, and a length indicator generated in each block, the length indicator indicates the end of a line with respect to the user of the information block information; 及外部编码器,使用所述信息块,生成欲添加到所述信息块中的冗余块,以产生外部码块。 And the outer encoder, using the information block generating redundant block to be added to the information block to produce a block outer code.
  2. 2.如权利要求1所述的外部编码系统,其中,当积累到一定量的用户平面信息时,所述调度单元开始编码。 2. The external encoding system according to claim 1, wherein, when accumulated to a certain amount of user plane information, the scheduling unit starts the encoding.
  3. 3.如权利要求1所述的外部编码系统,其中,当分组传输延迟时间期满时,所述调度单元开始编码。 Outer coding system according to claim 1, wherein, when the packet transmission delay time has expired, the scheduling unit starts the encoding.
  4. 4.如权利要求1所述的外部编码系统,其中,所述发射机还包括:序号生成器,用于在每个信息块之外添加报头,其中,所述报头包括用于标识每个信息块被考虑的次序的序号。 4. The external encoding system according to claim 1, wherein said transmitter further comprising: a number generator, adding a header for each information block outside, wherein said header includes information for identifying each of order of the block number under consideration.
  5. 5.如权利要求4所述的外部编码系统,其中,所述序号包括用于标识所述外部码块的部分和用于标识所述每个信息块在所述外部码块内的位置的部分。 5. The external encoding system according to claim 4, wherein said portion comprises a sequence number for identifying the code block and an outer portion of said outer code block position within each of said block identification .
  6. 6.如权利要求4所述的外部编码系统,其中,所述发射机还包括:发送缓冲器,用于存储所述信息块,并通过所述无线接口,经由公共逻辑信道,将所述信息块发送到MAC层。 Via the wireless interface, via a common logical channel, the information transmission buffer for storing said information blocks: outer encoding system as claimed in claim 4, wherein the transmitter further comprises block transmitted to the MAC layer.
  7. 7.如权利要求4所述的外部编码系统,其中,承载着来自第一信源的第一逻辑流中的用户信息的信息块和承载着来自第二信源的第二逻辑流中的相同用户信息的信息块具有相同的序号,以及其中,所述调度单元监视所述第一逻辑流的信息块的序号和所述第二逻辑流的信息块的序号,并根据所述第二逻辑流的信息块调整所述第一逻辑流的信息块的相对时间校准, 从而将所述第一和第二流进行时间校准。 7. The external encoding system according to claim 4, wherein the information block carrying user information from a first logic flow of the first source and the second carries the same logic flow from a second source of user information block having the same reference numerals, and wherein said unit block number is assigned to monitor the first logical flow and the second logical block flow scheduling, and logic flow according to the second adjusting the relative time alignment information block of the first block of the logic flow, so as to time-align the first and second flow.
  8. 8.如权利要求1所述的外部编码系统,其中,所述多行用户信息的行尺寸基于应用而改变。 The outer encoding system as claimed in claim 1, wherein said plurality of rows row size based on the application of the user information is changed.
  9. 9.如权利要求1所述的外部编码系统,其中,所述调度单元确定所述外部码块的固定行尺寸,从而使各行在一个传输时间间隔(TTI)内以峰值数据速率发送,并且,在收到全部用户信息之前,启动所述信息块和长度指示符的传输。 9. The external encoding system according to claim 1, wherein the scheduling unit determines the fixed outer code block size rows, each row so that a transmission time interval (TTI) transmitted at the peak data rate, and, before receiving all of the user information, the starting block and the length indicator information transmission.
  10. 10.如权利要求9所述的外部编码系统,其中,所述分割与串接单元分割所述多行用户信息以适合于固定尺寸的外部码块行中,将所述多行用户信息置入所述外部码块行中以生成信息块,用填补信息填充所有未占用的外部码块行,以及,向各外部码块行中增加至少一个长度指示符,以表示一行用户信息或填补信息结束于该信息块占用的外部码块行中。 10. The external encoding system of claim 9, wherein the segmentation and concatenation means divides the plurality of rows of user information suitable for the outer code block row of fixed size, the user information into multiple rows the outer code block to generate a row of blocks, all filled with padding information outer code blocks unoccupied rows, and to each outer code block line adding at least one length indicator to indicate a line ending user information or padding information outer code block line to the information of occupied blocks.
  11. 11.如权利要求10所述的外部编码系统,其中,编码器分组包括所述信息块、填补信息和长度指示符,并且其中,所述外部编码器提取每个编码器分组的一部分以获得提取信息, 对所述提取信息进行编码以生成多行冗余信息,以及,将所述多行冗余信息加到所述编码器分组中以生成具有所述固定行尺寸的外部码块。 11. The external encoding system of claim 10, wherein the encoder packet comprising said information block, and padding information length indicator, and wherein said outer portion of each encoder encoder packet extraction to obtain an extract information, the extracted information is encoded information to generate a multi-line redundancy, and a plurality of rows of said redundancy information to said encoder to generate a packet having a fixed row of the outer code block size.
  12. 12.如权利要求1所述的外部编码系统,其中,所述外部码块的行尺寸是可变的,并且其中,一旦收到全部行用户信息,所述调度单元就基于收到的用户信息量,确定所述外部码块行的可变行尺寸,并且其中,在一个传输时间间隔内发送的外部码块的尺寸基于所述外部码块行尺寸而改变。 12. The coding system according to external claim 1, wherein the outer code block row size is variable, and wherein, upon receipt of all of the rows of user information, the scheduling unit based on the received user information an amount determining the size of the outer code block variable row line, and wherein the size of the outer code blocks transmitted within a transmission time interval based on the external line code block size is changed.
  13. 13.如权利要求12所述的外部编码系统,其中,所述分割与串接单元分割多行用户信息以适合于可变尺寸的外部码块行中,从而使所述多行用户信息完全占用所述多个外部码块行,将所述多行用户信息置入所述外部码块行中以生成信息块,以及,向各外部码块行中增加至少一个长度指示符,以表示一行用户信息结束于该信息块占用的外部码块行中。 13. The external encoding system according to claim 12, wherein said dividing unit dividing a plurality of rows and connected in series to user information suitable for the outer code block line of variable size, so that the user information is completely occupied by a plurality of rows the plurality of outer code blocks of rows, the user information into a plurality of rows of the outer code block information to generate a row of blocks, and to each outer code block length of the row of adding at least one indicator to the user represents a row outer code information ends at block rows in the block occupied.
  14. 14.如权利要求12所述的外部编码系统,其中,所述编码器分组包括所述信息块和长度指示符,并且其中,所述外部编码器提取每个编码器分组的一部分以获得提取信息,对所述提取信息进行编码以生成多行冗余信息,以及,将所述多行冗余信息增加到所述编码器分组中以生成具有所述可变行尺寸的外部码块。 14. The external encoding system according to claim 12, wherein said encoder comprises a block of information and packet length indicator, and wherein said outer encoder extracts each encoder packet to obtain a portion of the extract information , multi-line redundancy information, and the packet is added to the rows of the encoder redundant information to generate a code block having an outer dimension of said rows of said extracted variable information is encoded to generate.
  15. 15.如权利要求1所述的外部编码系统,其中,一旦收到全部行用户信息或者确定将要生成所述外部码块,所述调度单元就基于收到的用户信息量,从多个预定的外部码块行尺寸中确定一个可变的外部码块行尺寸,该可变的外部码块行尺寸使非用户信息占用的外部码块的部分实现最小化,从而降低用户信息速率。 15. The external encoding system of claim 1, wherein, upon receipt of all the lines is determined to be user information or generating the outer code block, the scheduling unit based on the user information received from a plurality of predetermined row outer code block size is determined a variable external line code block size, the variable size of the outer code block row so that part of the outer code blocks occupied by non-user information is minimized, thereby reducing the user information rate.
  16. 16.如权利要求1所述的外部编码系统,其中,一旦收到全部行用户信息,所述调度单元就基于收到的用户信息量,确定一个使所述多行用户信息完全占用所述编码器分组的可变外部码块行尺寸,其中,在一个传输时间间隔内发送的外部码块的尺寸基于所述外部码块行尺寸而改变。 16. The external encoding system of claim 1, wherein, upon receipt of all of the rows of user information, the scheduling unit based on the received user information, determining a plurality of rows so that the user information is completely occupied by the coding outer code block variable size grouping of rows, wherein the size of the outer code blocks transmitted within a transmission time interval is changed based on the external line code block size.
  17. 17.如权利要求1所述的外部编码系统,其中,所述接收机包括:接收缓冲器,用于积累信息块,直到满足条件为止;其中,序号标识每个信息块所属于的外部码块和所述信息块在所述外部码块内的位置;重新排序单元,利用每个信息块中的序号,对乱序接收的所有信息块进行重新排序;以及重复检测单元,一旦所述信息块已经重新排序,就使用每个信息块中的所述序号检测重复信息块,并删除所有重复信息块;以及当对于给定的外部码块满足所述条件时,所述重复检测单元利用删除信息来替换未通过循环冗余检验的所有信息块,并生成一个请求,以开始外部解码。 17. The coding system according to external claim 1, wherein the receiver comprises: a reception buffer for accumulating information blocks until the condition is satisfied; wherein the outer code block number identifying each information block belongs and in the outer position of the code block in the information block; reordering unit, with each information block number, the information for all blocks received out of sequence reordering; and repeating the detecting means, once the information block has been reordered, the number on the use of the detection of each information block is repeated information blocks, and remove any duplicate information block; and when for a given outer code block satisfies the condition, the duplicate detection unit using the deletion information All the information that is not replaced by a cyclic redundancy check of blocks, and generates a request to start the outer decoding.
  18. 18.如权利要求17所述的外部编码系统,其中,所述条件是:收到整个外部码块。 18. The external encoding system according to claim 17, wherein the condition is: the entire outer code block is received.
  19. 19.如权利要求17所述的外部编码系统,其中,所述条件是:不再有所述外部码块的重传。 19. The external encoding system according to claim 17, wherein the condition is: the retransmission no longer outer code block.
  20. 20.如权利要求17所述的外部编码系统,还包括:序号去除单元,从所述外部码块的每个信息块中去除所述序号;以及外部解码器,接收所述外部码块,并且,如果必要,就使用所述冗余块对所述外部码块中的所有删除信息进行解码,以重新生成丢失的信息块。 20. The external encoding system according to claim 17, further comprising: a removal unit sequence number, the sequence number is removed from each of said block outer code block; and an external decoder receiving the outer code block, and if necessary, use the redundancy block for the outer code to delete all the information block is decoded to regenerate the missing block.
  21. 21.如权利要求20所述的外部编码系统,还包括:重组单元,使用所述信息块和长度指示符,重建多行用户信息;以及发送缓冲器,通过无线载体发送所述多行用户信息,以将所述多行用户信息传送到较尚层。 21. The external encoding system according to claim 20, further comprising: a recombinant cell, and using the information block length indicator, multi-line reconstruction of user information; and a transmission buffer of the radio bearer transmitted by a plurality of rows of user information to the user information to a plurality of rows still more layers.
  22. 22.如权利要求20所述的外部编码系统,其中,所述接收缓冲器存储在对以前接收的信息块进行解码时接收的进入信息块,从而在解码期间实现信息块的连续接收。 22. The external encoding system according to claim 20, wherein said received information block into the buffer memory when the previously received block to decode the received information in order to achieve continuous reception block during decoding.
  23. 23.如权利要求17所述的外部编码系统,其中,所述重新排序单元将所述解码延迟第一和第二逻辑流之间的时间偏移量,并在开始解码之前等待将接收的两个外部码块。 23. The external encoding system according to claim 17, wherein the reordering unit the decoding delay time offset between the first and second logic flow, and waits for the two received before starting the decoding external code block.
  24. 24.如权利要求17所述的外部编码系统,其中,所述接收缓冲器接收包括多行信息块的外部码块,其中,所述多行信息块各包括一行用户信息的至少一部分,其中,每行信息块的尺寸是固定的,且占用一个传输时间间隔(TTI)。 24. The external encoding system according to claim 17, wherein said receive buffer includes a plurality of code blocks external row of blocks, wherein each of the plurality of rows includes at least a portion of the block row of the user information, wherein the size of each row of blocks is fixed, and take up a transmission time interval (TTI).
  25. 25.如权利要求20所述的外部编码系统,其中,所述外部解码器使用多行冗余信息,对所述外部码块进行解码,以生成包括信息块和长度指示符的完整编码器分组,其中,所述信息块是没有差错的。 25. The external encoding system according to claim 20, wherein the external decoder uses the redundant information a plurality of rows, the outer code block is decoded to generate a complete encoder comprises a block of information and a packet length indicator , wherein the information block is not error.
  26. 26.如权利要求21所述的外部编码系统,其中,所述重组单元使用每个信息块中的至少一个长度指示符,以确定一行用户信息在所述信息块占用的外部码块行内结束于何处, 并将所述信息块分成多行用户信息。 26. The external encoding system according to claim 21, wherein said recombinant means using at least one length indicator for each block in order to determine the line of outer code block line information in said user information ends at block occupied by where the information blocks and user information into multiple lines.
  27. 27.如权利要求17所述的外部编码系统,其中,所述接收缓冲器接收包括多行信息块的外部码块,其中,所述多行信息块各包括一行用户信息的至少一部分,其中,每行信息块的尺寸是可变的,并且,所述多行用户信息完全占用所述多行信息块。 27. The external encoding system according to claim 17, wherein said receive buffer includes a plurality of code blocks external row of blocks, wherein each of the plurality of rows includes at least a portion of the block row of the user information, wherein the size of each row of blocks is variable, and the rows of the plurality of user information fully occupied row of blocks.
  28. 28. 一种用于外部编码的发起站,包括:第一缓冲器,用于存储多行用户信息;调度单元,用于:确定需要发送外部码块之前的最大持续时间,基于所述第一缓冲器中存储的用户信息量,确定信息块的最佳尺寸,该最佳尺寸使得所述多行用户信息能够以减少所述信息块的未填充部分的方式占用所述信息块,以及生成一个请求,以启动对所述多行用户信息的编码;分割与串接单元,响应于来自所述调度单元的请求,将所述多行用户信息进行分割以适合具有所述最佳尺寸的信息块,以及,在每个信息块内生成长度指示符,以表示相对于该信息块的一行用户信息的末端;以及外部编码器,在无线链路控制(RLC)层之前接收信息块,并使用所述信息块生成欲添加到所述信息块中的冗余块,以产生外部码块。 28. A method for encoding an external initiating station, comprising: a first buffer for storing user information of a plurality of rows; scheduling means for: determining a maximum duration needs to be sent before the outer code blocks, based on the first user information stored in the buffer, to determine the optimal block size information, the optimal size of the plurality of rows such that the user information in a manner capable of reducing the unfilled portion of the block occupancy information block, and generating a request to start coding the plurality of rows of user information; segmentation and concatenation unit, in response to a request from the scheduling unit, the plurality of rows is divided to suit the user information of the information blocks having optimum size and generating within each block length indicator to indicate the end of a line with respect to the user of the information block information; and an outer encoder, prior to receiving information blocks in a radio link control layer (the RLC), and uses the said information block generating redundant block to be added to the information block to produce a block outer code.
  29. 29.如权利要求28所述的发起站,其中,当积累到一定量的用户平面信息时,所述调度单元开始编码。 29. The initiating station according to claim 28, wherein, when accumulated to a certain amount of user plane information, the scheduling unit starts the encoding.
  30. 30.如权利要求28所述的发起站,其中,当分组传输延迟时间期满时,所述调度单元开始编码。 30. The initiating station according to claim 28, wherein, when the packet transmission delay time has expired, the scheduling unit starts the encoding.
  31. 31.如权利要求28所述的发起站,其中,所述发射机还包括:序号生成器,用于在每个信息块之外添加报头,其中,所述报头包括用于标识每个信息块被考虑的次序的序号。 31. The initiating station according to claim 28, wherein said transmitter further comprising: a number generator, adding a header for each information block outside, wherein said header includes information for identifying each of the blocks No. order to be considered.
  32. 32.如权利要求31所述的发起站,其中,所述序号包括用于标识所述外部码块的部分和用于标识所述每个信息块在所述外部码块内的位置的部分。 32. The initiating station according to claim 31, wherein said portion comprises a number identifying the code block and the outer portion of each of said block for identifying the position within the outer code blocks.
  33. 33.如权利要求31所述的发起站,其中,所述发射机还包括:发送缓冲器,用于存储所述信息块,并通过所述无线接口,经由公共逻辑信道,发送所述信息块。 33. The initiating station according to claim 31, wherein said transmitter further comprises: a transmission buffer for storing the information blocks, and through the wireless interface, via a common logical channel, transmitting said information block .
  34. 34.如权利要求31所述的发起站,其中,承载来自第一信源的第一逻辑流中的用户信息的信息块和承载来自第二信源的第二逻辑流中的相同用户信息的信息块具有相同的序号,以及,其中,所述调度单元监视所述第一逻辑流的信息块的序号和所述第二逻辑流的信息块的序号,并根据所述第二逻辑的信息块流调整所述第一逻辑流的信息块的相对时间校准, 从而对所述第一和第二流进行时间校准。 34. The initiating station according to claim 31, wherein the user information bearer information block from a first logical stream in a first source and a second logic flow carries the same user from a second source of information information blocks having the same reference numerals, and wherein said unit block number is assigned to monitor the first logical flow and the second logical block flow schedule, and information according to the second logic block adjusting the relative flow time alignment information of a first logic flow block, whereby the first and second flow calibration time.
  35. 35.如权利要求28所述的发起站,其中,所述多行用户信息的行尺寸基于应用而改变。 35. The initiating station according to claim 28, wherein said plurality of rows row size based on the application of the user information is changed.
  36. 36.如权利要求28所述的发起站,其中,所述调度单元确定所述外部码块的固定行尺寸,从而在一个传输时间间隔(TTI)内以峰值数据速率发送各行,并且,在收到全部用户信息之前,启动所述信息块和长度指示符的传输。 36. The initiating station according to claim 28, wherein the scheduling unit determines the fixed outer code block row size, so that in one transmission time interval (TTI) in the transmission line at each peak data rate, and, in close all before the user information, the information transmission start block and the length indicator.
  37. 37.如权利要求36所述的发起站,其中,所述分割与串接单元分割所述多行用户信息以适合于固定尺寸的外部码块行中,将所述多行用户信息置入所述外部码块行中以生成信息块,用填补信息填充所有未占用的外部码块行,以及,向每个外部码块行中增加至少一个长度指示符,以表示一行用户信息或填补信息结束于该信息块占用的外部码块行中。 37. The initiating station according to claim 36, wherein the segmentation and concatenation means divides the plurality of rows of user information suitable for the outer code block row of fixed size, the user information into the plurality of rows said outer code blocks to generate a row of blocks, all filled with padding information outer code block line unoccupied, and, adding at least one length indicator to each row in the outer code block, information to the user end of a row or padding information outer code block line to the information of occupied blocks.
  38. 38.如权利要求37所述的发起站,其中,编码器分组包括所述信息块、填补信息和长度指示符,并且其中,所述外部编码器提取每个编码器分组的一部分以获得提取信息,对所述提取信息进行编码以生成冗余信息行,以及,将所述冗余信息行添加到所述编码器分组中以生成具有所述固定行尺寸的外部码块。 38. The initiating station according to claim 37, wherein the encoder packet comprising said information block, and padding information length indicator, and wherein said outer portion of each encoder encoder packet information extraction to obtain an extract , extracting the encoded information to generate a row redundant information, and to add the redundancy information to the row blocks of the outer code encoder the packet to generate a fixed row size.
  39. 39.如权利要求28所述的发起站,其中,所述外部码块的行尺寸是可变的,并且其中, 一旦收到所有行用户信息,所述调度单元就基于收到的用户信息量,确定所述外部码块的行的可变行尺寸,并且其中,在一个传输时间间隔内发送的外部码块的尺寸基于所述外部码块行尺寸而改变。 39. The initiating station according to claim 28, wherein the outer code block row size is variable, and wherein, upon receipt of all the rows of user information, the scheduling unit based on the received user information determining the size of the variable row outer code block row, and wherein the size of the outer code blocks transmitted within a transmission time interval based on the external line code block size is changed.
  40. 40.如权利要求39所述的发起站,其中,所述分割与串接单元分割多行用户信息以适合于可变尺寸的外部码块行中,从而使所述多行用户信息完全占用所述多个外部码块行, 将所述多行用户信息置入所述外部码块行中以生成信息块,以及,向每个外部码块行中增加至少一个长度指示符,以表示一行用户信息结束于该信息块占用的外部码块行中。 40. The initiating station according to claim 39, wherein said dividing unit dividing a plurality of rows and connected in series to user information suitable for the outer code block line of variable size, so that the rows of user information are fully occupied outer code blocks of said plurality of rows, the user information into a plurality of rows of the outer code block information to generate a row of blocks, and, adding at least one indicator to the length of each outer code block row, a row represents a user to outer code information ends at block rows in the block occupied.
  41. 41.如权利要求39所述的发起站,其中,所述编码器分组包括所述信息块和长度指示符,并且其中,所述外部编码器提取每个编码器分组的一部分以获得提取信息,对所述提取信息进行编码以生成多行冗余信息,以及,将所述多行冗余信息增加到所述编码器分组中以生成具有所述可变行尺寸的外部码块。 41. The initiating station according to claim 39, wherein said encoder comprises a block of information and packet length indicator, and wherein said outer encoder extracts each encoder packet to obtain a portion of the extract information, extracting the encoded information to generate a plurality of rows of redundant information and the redundant information added to the rows of the encoder packet to generate a code block having the outer row of variable size.
  42. 42.如权利要求28所述的发起站,其中,一旦收到所有行用户信息或者确定将要生成所述外部码块,所述调度单元就基于收到的用户信息量,从多个预定的外部码块行尺寸中确定一个可变的外部码块行尺寸,以使非用户信息占用的所述外部码块的部分实现最小化,从而降低用户信息速率。 42. The initiating station according to claim 28, wherein, upon receipt of all rows or user information to be generated to determine the outer code block unit based on the user information received from said plurality of predetermined external scheduler row code block size is determined a variable external line code block size, so that the outer code block occupied by non-user information portion minimized, thereby reducing the user information rate.
  43. 43.如权利要求28所述的发起站,其中,一旦收到所有行用户信息,所述调度单元就基于收到的用户信息量,确定一个使所述多行用户信息完全占用所述编码器分组的可变外部码块行尺寸,其中,在一个传输时间间隔内发送的外部码块的尺寸基于所述外部码块行尺寸而改变。 43. The initiating station according to claim 28, wherein, upon receipt of all rows in the user information, the scheduling unit based on the received user information, determining a plurality of rows so that the user information is completely occupied by said encoder the variable size packet outer code block row, wherein the size of the outer code blocks transmitted within a transmission time interval is changed based on the external line code block size.
  44. 44. 一种用于外部解码的目的站,包括:接收缓冲器,用于积累信息块,直到满足条件为止;其中,序号标识每个信息块所属于的外部码块和每个信息块在所述外部码块内的位置;重新排序单元,利用每个信息块中的序号,对乱序接收的所有信息块进行重新排序;以及重复检测单元,一旦所述信息块已经重新排序,就使用每个信息块中的序号检测重复信息块,并删除所有重复信息块;以及当对于给定的外部码块满足所述条件时,所述重复检测单元利用删除信息来替换未通过循环冗余检验的所有信息块,并生成一个请求,以开始外部解码;序号去除单元,从所述外部码块的每个信息块中去除所述序号;以及外部解码器,位于无线链路控制层之上,用于接收所述外部码块,如果必要,使用所述冗余块对所述外部码块中的所有删除信息进行解码,以重新生 44. A method for outer decoding destination station, comprising: a reception buffer for accumulating information blocks until the condition is satisfied; wherein the outer code block number identifying each information block belongs to each information block and by position within said outer code block; reordering unit, with each information block number, the information for all blocks received out of sequence reordering; and repeating the detecting means, once the block has been re-ordered on the use of each No. test was repeated information blocks in an information block, and remove any duplicate information block; and when for a given outer code block satisfies the condition, the duplicate detection unit using the deletion information is not replaced by a cyclic redundancy check all information blocks, and generates a request to start the external decoder; ID removal unit removing the sequence number from each block of said block outer code; and an outer decoder, located above the RLC layer, with to receive the outer code block, if necessary, using the redundancy block deletion information for all blocks of the outer code is decoded to regenerate 成丢失的信息块。 Missing information into blocks.
  45. 45.如权利要求44所述的目的站,其中,所述条件是:收到整个外部码块。 45. The object of the station according to claim 44, wherein the condition is: the entire outer code block is received.
  46. 46.如权利要求44所述的目的站,其中,所述条件是:不再有所述外部码块的重传。 46. ​​The object of the station according to claim 44, wherein the condition is: the retransmission no longer outer code block.
  47. 47.如权利要求44所述的目的站,其中,还包括:重组单元,使用所述信息块和长度指示符,重建多行用户信息;以及发送缓冲器,通过无线载体发送所述多行用户信息,以将所述多用户信息传送到较高层。 47. The object of the station according to claim 44, wherein, further comprising: a recombinant cell, and using the information block length indicator, multi-line reconstruction of user information; and a transmission buffer of the radio bearer transmitted by a plurality of rows user information, the multi-user to transmit information to a higher layer.
  48. 48.如权利要求44所述的目的站,其中,所述接收缓冲器存储在对以前接收的信息块进行解码时接收的输入信息块,从而在解码期间实现信息块的连续接收。 48. The purpose of the station as claimed in claim 44, wherein said receiving buffer for storing received input information block when the block of the previously received information by decoding the received information block is continuous during decoding.
  49. 49.如权利要求44所述的目的站,其中,所述重新排序单元将所述解码延迟第一和第二逻辑流之间的时间偏移量,并在开始解码之前等待将接收的两个外部码块。 49. The object of the station according to claim 44, wherein the reordering unit the decoding delay time offset between the first and second logic flow, and waits for two received before starting decoding outer code block.
  50. 50.如权利要求44所述的目的站,其中,所述接收缓冲器接收包括多行信息块的外部码块,其中,所述多行信息块各包括一行用户信息的至少一部分,其中,每行信息块的尺寸是固定的,且占用一个传输时间间隔(TTI)。 50. The purpose of the station as claimed in claim 44, wherein said receive buffer includes a plurality of code blocks external row of blocks, wherein each of the plurality of rows includes at least a portion of the block row of the user information, wherein each row block size is fixed, and take up a transmission time interval (TTI).
  51. 51.如权利要求44所述的目的站,其中,所述外部解码器使用多行冗余信息,对所述外部码块进行解码,以生成包括信息块和长度指示符的完整编码器分组,其中,所述信息块没有差错。 51. The object of the station according to claim 44, wherein the external decoder uses the redundant information a plurality of rows, the outer code block is decoded to generate a complete encoder comprises a block of information and the packet length indicator, wherein said information block is not an error.
  52. 52.如权利要求47所述的目的站,其中,所述重组单元使用每个信息块中的至少一个长度指示符,确定一行用户信息在所述信息块占用的外部码块行内结束于何处,并将所述信息块分成多行用户信息。 52. The object of the station according to claim 47, wherein said recombinant means using at least one length indicator for each block, determining the end of a row in the user information within the outer code block rows in the block occupied where and the information block into a plurality of rows of user information.
  53. 53.如权利要求44所述的目的站,其中,所述接收缓冲器接收包括多行信息块的外部码块,其中,所述多行信息块各包括一行用户信息的至少一部分,其中,每行信息块的尺寸是可变的,并且,所述多行用户信息完全占用所述多行信息块。 53. The object of the station according to claim 44, wherein said receive buffer includes a plurality of code blocks external row of blocks, wherein each of the plurality of rows includes at least a portion of the block row of the user information, wherein each size row of blocks is variable, and the rows of the plurality of user information fully occupied row of blocks.
  54. 54. 一种用于创建具有多行的固定行尺寸外部码块的方法,包括:通过无线载体接收用户信息,其中,所述用户信息的行尺寸基于应用而改变; 基于信道状况,确定一个固定的外部码块行尺寸,该行尺寸使得各行在一个传输时间间隔(TTI)内能够以峰值数据速率发送;将多行用户信息进行分割和串接,以适合于固定尺寸的外部码块行中; 将所述多行用户信息置入外部码块行中,以生成信息块,其中,利用填补信息填充所有未占用的外部码块行;向每个外部码块行中增加至少一个长度指示符,以表示一行用户信息或填补信息结束于该信息块占用的外部码块行中,并且其中,编码器分组包括所述信息块、填补信息和长度指示符,在收到所有用户信息之前,启动所述信息块和长度指示符的传输; 提取每个编码器分组的一部分,以获得提取信息; 对所述提 54. A method for creating a row size of the external fixed block having a plurality of code lines, comprising: receiving user information through the radio bearer, wherein the line size of the user varies based on the application information; based on channel conditions, determines a fixed outer code block row size, row size such that the transmission time interval of each line can be transmitted at the peak data rate (TTI) therein; a plurality of rows segmented user information and concatenated block code suitable for the outer row of fixed size ; the user information into a plurality of rows row of outer code blocks to generate the information block, wherein the padding information using the outer code blocks to fill all unoccupied line; adding at least one indicator to the length of each outer code block row to indicate user information or padding information line ends in the outer code block row of blocks occupied, and wherein the encoder packet comprising said information block, and a length indicator padding information, before receiving all user information, start and transmitting the information block length indicator; extracting a portion of each encoder packet, to obtain an extract information; mention the 信息进行编码,以生成多行冗余信息;以及将所述多行冗余信息添加到所述编码器分组中,以生成具有所述固定行尺寸的外部码块。 Information is encoded to generate a plurality of rows of redundant information; and the rows of redundant information is added to the encoder packet, to generate a code block having an outer size of the fixing lines.
  55. 55. 一种用于创建具有多行的可变行尺寸外部码块的方法,包括:通过无线载体接收多行用户信息,其中,所述多行用户信息的行尺寸基于应用而改变;一旦收到所有行用户信息,就基于收到的用户信息量,确定一个可变的外部码块行尺寸,其中,在一个传输时间间隔内发送的外部码块的尺寸基于所述外部码块行尺寸而改变;将多行用户信息进行分割和串接,以适合于可变尺寸的外部码块行中; 将所述多行用户信息置入所述外部码块行中,以生成多个信息块; 向每个外部码块行中增加至少一个长度指示符,以表示一行用户信息结束于该信息块占用的外部码块行中,其中,所述多行用户信息完全占用所述多个外部码块行,并且其中, 编码器分组包括所述信息块和长度指示符;提取每个编码器分组的一部分,以获得提取信息; 对所述提取信息进行编 55. A method for creating a code having a variable block size of the external lines of the plurality of lines, comprising: receiving a radio bearer through a plurality of rows of user information, wherein said plurality of rows row size based on the application of the user information is changed; when received All the rows of user information, to the user based on the received information, determining a variable outer code block row size, wherein the size of the outer code blocks transmitted within a transmission time interval based on the external line code block size change; multiple rows segmentation and concatenation of user information, to be suitable for the outer code block variable-sized; the user information into a plurality of rows of the row of outer code blocks to generate a plurality of information blocks; adding at least one length indicator to each row in the outer code block to indicate the end of a line of user information to the information block occupied by the outer code block row, wherein the plurality of rows of the plurality of user information fully occupied outer code blocks line, and wherein said encoder comprises a block of information and the packet length indicator; extracting a portion of each encoder packet, to obtain an extract information; extracting the information compiled ,以生成多行冗余信息;将所述多行冗余信息增加到所述编码器分组中,以生成具有所述可变行尺寸的外部码块;以及发送所述编码器分组。 , Redundant information to generate a plurality of rows; the redundant information added to said plurality of rows encoder packet to generate a code block having the outer row of variable size; and transmitting the encoder packet.
  56. 56.如权利要求55所述的方法,其中,基于收到的用户信息量确定可变的外部码块行尺寸包括:一旦收到所有行用户信息或者确定将要生成所述外部码块,就基于收到的用户信息量,从多个预定的外部码块行尺寸中确定一个可变的外部码块行尺寸,该可变的外部码块行尺寸使非用户信息占用的所述外部码块的部分实现最小化,从而降低用户信息速率。 56. The method according to claim 55, wherein the received information based on the user determined variable size outer code block line comprising: upon receipt of all rows or user information to be generated to determine the outer code blocks, based on user information received, determining a variable outer code block size from the plurality of predetermined rows of outer code block row size, the variable size of the outer code blocks of rows so that the outer code block occupied by non-user information part minimized, thereby reducing the user information rate.
  57. 57.如权利要求55所述的方法,其中,基于收到的用户信息量确定可变的外部码块行尺寸包括:一旦收到所有行用户信息,就基于收到的用户信息量,确定一个使所述多行用户信息完全占用所述编码器分组的可变外部码块行尺寸,其中,在一个传输时间间隔内发送的所述外部码块的尺寸基于所述外部码块行尺寸而改变。 57. The method according to claim 55, wherein the received information based on the user determined variable size outer code block line comprising: upon receipt of all rows in the user information, to the user based on the received information, determining a the multi-line subscriber information fully occupied variable outer code block lines of said encoder packet size, wherein the size of the outer code blocks transmitted within a transmission time interval based on the external line code block size change .
  58. 58. 一种用于接收用户信息的方法,包括:接收包括多行信息块的外部码块,其中,所述多行信息块各包括一行用户信息的至少一部分,其中,每行信息块的尺寸是固定的,且占用一个传输时间间隔(TTI);使用多行冗余信息,对所述外部码块进行解码,以生成包括信息块和长度指示符的完整编码器分组,其中,所述信息块没有差错;以及使用每个信息块中的至少一个长度指示符,确定一行用户信息在所述信息块占用的外部码块行内结束于何处,并将所述信息块分成多行用户信息。 58. A method for receiving user information, comprising: receiving a plurality of code blocks comprises an outer row of blocks, wherein each block of said plurality of rows includes at least a portion of one row of the user information, wherein the size of each row of blocks is fixed, and take up a transmission time interval (the TTI); redundant information using a plurality of rows, the outer code block is decoded to generate a complete block of information and the encoder includes a length indicator group, wherein said information no error block; and a plurality of rows of user information using at least one length indicator for each block, determining the row of the user information in the rows of the block outer code block ends where occupied, and the information is divided into blocks.
  59. 59. 一种用于接收用户信息的方法,包括:接收包括多行信息块的外部码块,其中,所述多行信息块各包括一行用户信息的至少一部分,其中,每行信息块的尺寸是可变的,并且,所述多行用户信息完全占用所述多行信息块;使用多行冗余信息,对所述外部码块进行解码,以生成包括信息块和长度指示符的完整编码器分组,其中,所述信息块没有差错;以及使用每个信息块中的至少一个长度指示符,确定一行用户信息在所述信息块占用的外部码块行内结束于何处;以及将所述信息块分成多行用户信息。 59. A method for receiving user information, comprising: receiving a plurality of code blocks comprises an outer row of blocks, wherein each block of said plurality of rows includes at least a portion of one row of the user information, wherein the size of each row of blocks It is variable, and the rows of the user information is completely occupied by a plurality of rows of information blocks; multiline redundant information, the outer code block is decoded to generate a complete encoded block of information and including length indicator grouping, wherein the block has no error; and using at least a length indicator for each block, determining the row of the user information in the rows of the block outer code block ends where occupied; and the information block into a plurality of rows of user information.
  60. 60. 一种点到多点(PTM)传输系统,其能够实现可变速率传输、乱序接收以及对可变速率信源的点到多点(PTM)传输进行分割和串接,包括:网络,该网络包括:接收机缓冲器,存储前向纠错FEC服务数据单元SDU ;分割与串接实体,将前向纠错FEC服务数据单元SDU分割和串接成编码器矩阵的多行, 该编码器矩阵包括第一多个信息行,其中,所述编码器矩阵的每行占用一个独立的传输时间间隔;调度实体,一旦收到预定量的数据,就生成一个启动编码的启动命令,从而减少在编码期间向编码器分组的每行中添加的填补信息;异步外部编码器,响应于所述启动命令,生成编码器分组,其中,每个编码器分组包括第一多个信息行、第二多个奇偶校验行和位于所述编码器分组末端的填补信息;序列发生器,在执行外部编码之后,向所述编码器分组的每行添加包括 60. A multipoint (PTM) transmission system, which can achieve a variable rate transmission, as well as point-of-order reception variable rate signal source (PTM) transmissions segmentation and concatenation, comprising: a network , the network comprising: a receiver buffer before the service data to a storage unit SDU error correction, FEC; segmentation and concatenation entity, service data unit SDU before forward error correction FEC concatenated and segmented into a plurality of rows of the coding matrix, the a first encoder comprising a plurality of information line matrix, wherein each row of the encoder matrix occupies a separate transmission time interval; scheduling entity, once the predetermined amount of data received, generates a coding start command to start, so that reducing padding information for each line to an encoder packet added during encoding; asynchronous external encoder, in response to the start command, generating an encoder packet, wherein each encoder comprises a first plurality of packet information line, the first and a plurality of two rows in said parity encoder packet end padding information; sequencer after performing outer coding, each row grouping comprises adding to said encoder 号的外部报头;以及发送缓冲器,接收所述编码器分组,将它们格式化成混合码块,并通过无线接口发送所述混合码块。 Outer header numbers; and a transmission buffer that receives the encoder packet, mixing them into a format code blocks, and by mixing the radio interface code block.
  61. 61.如权利要求60所述的系统,还包括: 终端,接收所述混合码块,包括:接收单元,积累多行所述编码器分组,并将解码延迟第一和第二逻辑流之间的时间偏移量;其中,所述接收单元响应于所述序号,确定每个前向纠错FEC协议数据单元PDU属于哪个编码器分组以及每个前向纠错FEC协议数据单元PDU在所述编码器分组中的位置,从而,所述接收单元使用所述序号,执行所述接收块的重复检测和重新排序; 去除单元,去除所述序号; 外部解码器,对所述信息行进行解码;以及发送缓冲器,重组所述信息行。 61. The system according to claim 60, further comprising: a logic flow between the first and second receiving means, said plurality of rows accumulated encoder packet, and decoding delay: the terminal receiving the mixed code block comprising time offset; wherein the receiving unit in response to the serial number, and determines which encoder packet forward error correction FEC protocol data unit (PDU) before each belonging to each forward error correction, FEC protocol data unit (PDU) in the the position encoder packet to the receiving unit uses the sequence number, the receiving block performing duplicate detection and reordering; removal unit removing the sequence number; outer decoder for decoding said information line; and a transmission buffer, the recombinant information line.
  62. 62.如权利要求61所述的系统,其中,所述序号发生器添加一个内部报头,该内部报头提供用于重建所述服务数据单元SDU的信息,其中,将所述报头编入长度指示符Li,该长度指示符被包括在它所涉及的无线链路控制协议数据单元RLC-PDU中,其中,所述无线链路控制协议数据单元RLC-PDU的序号报头中的一个标志位表示是否存在第一长度指示符Li。 62. The system according to claim 61, wherein the sequence number generator to add an internal header, the inner header provides information for reconstructing the SDU service data unit, wherein the header length indicator incorporated li, the length indicator is included in a radio link control protocol data unit RLC-PDU in which it is involved, wherein a header of the sequence number flag radio link control protocol data unit in the RLC-PDU indicating whether a first length indicator Li.
  63. 63.如权利要求62所述的系统,其中,所述内部报头添加在所述编码器分组的开始处。 63. The system according to claim 62, wherein the internal header added at the beginning of the encoder packet.
  64. 64.如权利要求63所述的系统,其中,所述内部报头添加在每个编码器分组行的开始处。 64. The system according to claim 63, wherein the internal header added at the beginning of each row of the encoder packet.
  65. 65.如权利要求60所述的系统,其中,每个编码器分组行包括前向纠错FEC协议数据单元PDU、奇偶校验块和/或填补信息。 65. The system according to claim 60, wherein each encoder packet forward error correction FEC protocol data row comprises units PDUs before, parity blocks and / or padding information.
  66. 66.如权利要求60所述的系统,其中,所述编码器分组的行尺寸是可变的。 66. The system according to claim 60, wherein said line encoder packet size is variable.
  67. 67.如权利要求60所述的系统,其中,所述编码器分组的行尺寸具有固定的尺寸。 67. The system according to claim 60, wherein the size of the line encoder packet has a fixed size.
  68. 68.如权利要求60所述的系统,其中,所述序号标识所述特定编码器分组EP以及该编码器分组EP内的协议数据单元PDU。 68. The system according to claim 60, wherein the sequence number identifying the particular encoder packet and a protocol data unit PDU EP in the EP encoder packet.
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