CN2694638Y - 高速共享控制信道的扰频基地台 - Google Patents

高速共享控制信道的扰频基地台 Download PDF

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CN2694638Y
CN2694638Y CNU032443889U CN03244388U CN2694638Y CN 2694638 Y CN2694638 Y CN 2694638Y CN U032443889 U CNU032443889 U CN U032443889U CN 03244388 U CN03244388 U CN 03244388U CN 2694638 Y CN2694638 Y CN 2694638Y
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史蒂芬·迪克
内德·伯劳齐
颂尧·辛
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InterDigital Technology Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0064—Concatenated codes
    • H04L1/0066—Parallel concatenated codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H04L1/0013—Rate matching, e.g. puncturing or repetition of code symbols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041—Arrangements at the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0059—Convolutional codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0067—Rate matching
    • H04L1/0068—Rate matching by puncturing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0072—Error control for data other than payload data, e.g. control data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Abstract

一种高速共享控制信道的扰频基地台，具有一1/2速率回旋编码器。该回旋编码器具有一输入，其架构成接收一使用者设备识别码(UE ID)并产生1/2速率回旋编码的一信息码。一速率匹配器具有一输入，其架构成接收该信息码、并产生速率匹配的一扰频信息码。另外，一混合装置，用于将产生该高速共享控制信道上传输的扰频数据的接收编码的高速共享控制信道编码数据混合该扰频信息码。

Description

高速共享控制信道的扰频基地台
(1)技术领域
本实用新型有关无线通信系统，特别是有关高速共享控制信道(HS-SCCH)的使用者设备识别码(UE ID)专用的扰频序列。
(2)背景技术
宽频分码多重存取(W-CDMA)通信系统提出一种高速下行封包存取(HSDPA)方法。这种高速下行封包存取(HSDPA)方法是提供高下行数据速率，藉以支持多媒体服务。
为支持这种高速下行封包存取(HSDPA)方法，高速共享控制信道(HS-SCCH)被使用。这些高速共享控制信道(HS-SCCH)是用以发送必要控制信息至使用者设备(UE)。各个高速共享控制信道(HS-SCCH)具有两个部分，其分别称为第一部分(PART I)及第二部分(PART II)。第一部分(PART I)是承载使用者设备(UE)需要的时间关键信息。该信息是包括高速实体下行共享控制信道(HS-PDSCH)使用的信道信息码设定及调变类型，其是承载高速下行封包存取(HSDPA)负担。该信息是支持高速下行封包存取(HSDPA)所必要，因为高速下行封包存取(HSDPA)是使用适应性调变及编码(AMC)方法。
为取得第一部分(PART I)信息，各个高速下行封包存取(HSDPA)使用者设备(UE)是监控至多四个高速共享控制信道(HS-SCCH)以取得其信息。一特定使用者设备(UE)的信息是利用其使用者设备识别码(UE ID)专有的扰频序列，与其它使用者设备(UE)进行区别。该使用者设备(UE)是利用其使用者设备识别码(UE ID)专有的扰频序列，处理各个监控的高速共享控制信道(HS-SCCH)，藉以检测该使用者设备(UE)预期的高速共享控制信道(HS-SCCH)。处理后，该使用者设备(UE)是决定：在那一个高速共享控制信道(HS-SCCH)上，信息是利用其扰频序列承载。
直至最近，一10位的使用者设备识别码(UE ID)是用以做为该使用者设备(UE ID)专有扰频序列的基础。在这个例子中，该使用者设备识别码(UE ID)是转换为一40位扰频序列。为了将该10位使用者设备识别码(UE ID)转换为该40位使用者设备识别码(UE ID)专有的扰频序列，该10位使用者设备识别码(UEID)是利用一Reed-Muller方块处理，用以产生一32位信息码。该产生信息码的前8个位是重复附加至该32位信息码的后面，藉以产生一40位信息码。
虽然该使用者设备识别码(UE ID)长度最好能够延伸至16个芯片，然而，高速共享控制信道(HS-SCCH)依目前方法是使用一10位使用者设备识别码(UEID)。该使用者设备识别码(UE ID)是转换为一40位扰频序列。为了将该10位使用者设备识别码(UE ID)转换为该40位扰频序列，该10位使用者设备识别码(UE ID)是利用一Reed-Muller方块处理以产生一32位信息码。另外，该产生信息码的前8个位是重复附加于该32位信息码的后面以产生一40位信息码。
为降低错误检测的发生，各个使用者设备(UE ID)的产生扰频信息码间最好能够具有完善的区分。因此，扰频信息码最好能够利用交替方式产生。
(3)实用新型内容
一种基地台，具有一1/2速率回旋编码器。该回旋编码器是具有一输入，其架构成接收一使用者设备识别码(UE ID)并产生1/2速率回旋编码的一信息码。一速率匹配器具有一输入，其架构成接收该信息码并产生速率匹配的一扰频信息码。另外，一混合装置是用于将产生该高速共享控制信道(HS-SCCH)的传输扰频数据的接收编码高速共享控制信道(HS-SCCH)编码数据混合该扰频信息码。
(4)附图说明
图1A是表示一电路，用以产生关连一高速共享控制信道(HS-SCCH)的一特定使用者的一信息码。
图1B是表示一速率匹配方块，用以配合图1A使用。
图2A是表示一电路，用以产生关连一16位使用者识别码的一信息码。
图2B是表示一速率匹配方块，用以配合图2A使用。
图3是表示一简化使用者设备，其是利用使用者设备识别码(UE ID)专有的扰频信息码。
图4是表示一简化基地台，其是利用使用者设备识别码(UE ID)专有的扰频信息码。
(5)具体实施方式
虽然该较佳实施例是配合本实用新型的较佳应用详细说明，藉以用于第三代合作计划(3GPP)宽频分码多重存取(W-CDMA)通信系统的高速下行封包存取(HSDPA)方法，本实用新型亦可以应用于其它类型的分码多重存取(CDMA)通信系统。图1A及1B是表示使用者设备识别码(UE ID)专有的扰频序列电路。长度L的使用者设备识别码(UE ID)XUE是输入至该电路。长度L可以是任何长度，诸如：8位、10位、16位等等。该使用者设备识别码(UE ID)XUE＝{XUE1、…、XUEL}是输入至一1/2速率回旋编码器10，如图1A所示。随着该使用者设备识别码(UE ID)，额外位(诸如：″0″)亦可以附加至该输入字符串的末端，用以延伸该输入字符串的长度或该输出字符串的长度。使用一1/2速率回旋编码器10可以在不同使用者设备识别码(UEID)产生的输出字符串间，提供一高标准的信息码区分。另外，目前的第三代合作计划(3GPP)宽频分码多重存取(W-CDMA)通信系统是利用一1/2速率回旋编码器10以完成一前向误差校正(FEC)技术。因此，该回旋编码使用者设备识别码(UE ID)专有的扰频序列并不需要利用额外硬件产生。编码后，基于该输出字符串的长度，一速率匹配阶段12便可以加入刺穿位，用以取得一想要的字符串长度。
图2A及2B是表示长度16(L＝16)的使用者设备识别码(UE ID)信息码的使用者设备识别码(UE ID)专有的扰频序列电路。该16位使用者设备识别码(UE ID)，XUE＝{XUE1、…、XUE16}，是输入至一1/2速率回旋编码器14，并将8个位″0″附加至该输入字符串的末端。因此，该输入字符串是XUE1、…、XUE16、0、0、0、0、0、0、0、0。该1/2速率回旋编码器14处理后，该输出信息码是具有48位长度，即CUE＝{CUE1、…、CUE48}。
为了将该信息码的长度降低至40位的较佳长度，8个位最好能够刺穿。图2B是表示执行刺穿的速率匹配阶段16。速率匹配阶段16后，该扰频信息码的有效长度是40位。
图3是表示一简化使用者设备，其是利用使用者设备识别码(UE ID)专有的扰频信息码，对一高速共享控制信道(HS-SCCH)进行非扰频动作。该使用者设备识别码(UE ID)扰频信息码是利用一异或(XOR)门18，举例来说，与该接收高速共享控制信道(HS-SCCH)混合，用以回复该编码高速共享控制信道(HS-SCCH)数据。
图4是表示一简化基地台，其是利用使用者设备识别码(UE ID)专有的扰频信息码，扰频编码数据，用以在该高速共享控制信道(HS-SCCH)上进行传输。该编码数据是利用一特定使用者的使用者设备识别码(UE ID)扰频信息码混合，诸如：利用一异或(XOR)门20。该扰频数据是用以产生该高速共享控制信道(HS-SCCH)，藉以传输至该特定使用者。

Claims (1)

1.一种基地台，包括：
一1/2速率回旋编码器，具有一输入，其架构成接收一使用者设备识别码并产生1/2速率回旋编码的一信息码；
一速率匹配器，具有一输入，其架构成接收该信息码并产生速率匹配的一扰频信息码；以及
一混合装置，用于将产生该高速共享控制信道上传输的扰频数据的接收编码的高速共享控制信道编码数据混合该扰频信息码。
CNU032443889U 2002-05-07 2003-05-07 高速共享控制信道的扰频基地台 Expired - Lifetime CN2694638Y (zh)

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US37850902P 2002-05-07 2002-05-07
US60/378,509 2002-05-07
US37817002P 2002-05-13 2002-05-13
US60/378,170 2002-05-13
US10/187,640 2002-07-01
US10/187,640 US6973579B2 (en) 2002-05-07 2002-07-01 Generation of user equipment identification specific scrambling code for the high speed shared control channel

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CN200710093663.2A Expired - Lifetime CN101035254B (zh) 2002-05-07 2003-05-05 高速共享控制信道的用户设备识别码专有扰频讯息码的产生
CN2007101231412A Expired - Lifetime CN101079652B (zh) 2002-05-07 2003-05-05 用于在码分多址通信系统中使用的用户设备、基站及系统
CNB038102595A Expired - Lifetime CN100336397C (zh) 2002-05-07 2003-05-05 产生用于高速共享控制信道的用户识别专有扰频码的装置
CN2007101231408A Expired - Lifetime CN101079700B (zh) 2002-05-07 2003-05-05 用在宽带码分多址通信系统中的用户设备、方法及设备
CNU032443889U Expired - Lifetime CN2694638Y (zh) 2002-05-07 2003-05-07 高速共享控制信道的扰频基地台
CNU032443897U Ceased CN2694680Y (zh) 2002-05-07 2003-05-07 高速共享控制信道的扰频使用者设备

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CN2007101231412A Expired - Lifetime CN101079652B (zh) 2002-05-07 2003-05-05 用于在码分多址通信系统中使用的用户设备、基站及系统
CNB038102595A Expired - Lifetime CN100336397C (zh) 2002-05-07 2003-05-05 产生用于高速共享控制信道的用户识别专有扰频码的装置
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US10555292B2 (en) 2012-10-30 2020-02-04 Huawei Technologies Co., Ltd. Method for processing enhanced physical downlink control channel, network-side device, and user equipment

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