CN101035254B - 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 - Google Patents

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 Download PDF

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CN101035254B
CN101035254B CN200710093663.2A CN200710093663A CN101035254B CN 101035254 B CN101035254 B CN 101035254B CN 200710093663 A CN200710093663 A CN 200710093663A CN 101035254 B CN101035254 B CN 101035254B
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CN101035254A (zh
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史蒂芬·G·迪克
内德·伯劳齐
辛颂尧
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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
    • H04L1/0001—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
    • H04L1/0064—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
    • H04L1/004—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
    • 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
    • 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
    • H04W88/08—Access point devices

Abstract

一种讯息码，其产生以扰频或非扰频关连于一特定用户的一高速共享控制信道(HS-SCCH)的数据。该特定用户设备的一用户识别码是具有L位。一1/2速率卷积编码器是利用一1/2速率卷积讯息码，处理该用户识别码的至少所述位，用以产生扰频一高速共享控制信道(HS-SCCH)的一讯息码。

Description

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
本申请是提交于2004年11月18日、申请号为03810259.5、题为“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”的发明专利申请的分案申请。 
技术领域
本发明是有关于无线通信系统。特别是，本发明是有关于高速共享控制信道(HS-SCCH)的用户设备识别码(UE ID)专用的扰频序列。 
背景技术
宽频码份多址(W-CDMA)通信系统是提出一种高速下行分组存取(HSDPA)方法。这种高速下行分组存取(HSDPA)方法是提供高下行链路数据速率，藉以支持多媒体服务。 
为支持这种高速下行分组存取(HSDPA)方法，高速共享控制信道(HS-SCCH)是加以使用。这些高速共享控制信道(HS-SCCH)是用以发送必要控制信息至用户设备(UE)。各个高速共享控制信道(HS-SCCH)是具有两个部分，其分别称为第一部分(PART I)及第二部分(PART II)。第一部分(PART I)是承载用户设备(UE)需要的时间关键信息。该信息包括承载高速下行分组存取(HSDPA)负载的高速物理下行链路共享控制信道(HS-PDSCH)所使用的信道化讯息码设定及调制类型。该信息是支持高速下行分组存取(HSDPA)所必要，因为高速下行分组存取(HSDPA)是使用自适应调制及编码(AMC)方法。 
为取得第一部分(PART I)信息，各个高速下行分组存取(HSDPA)用户设备(UE)是监控至多四个高速共享控制信道(HS-SCCH)以取得其信息。一特定用户设备(UE)的信息是利用其用户设备识别码(UE ID)专有的扰频序列，与其它用户设备(UE)进行区别。该用户设备(UE)是利用其用户设备识别码(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)，藉以侦测该用户设备(UE)预期的高速共享控制信道(HS-SCCH)。处理后，该用户设备(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。UE对在其HS-SCCH的PART I上承载的信息解扰频。 
直至最近，一10位的用户设备识别码(UE ID)是用以做为该用户设备(UE ID)专有扰频序列的基础。在这个例子中，该用户设备识别码(UE ID)是转换为一40位扰频序列。为了将该10位用户设备识别码(UE ID)转换为该40位用户设备识别码(UE ID)专有的扰频序列，该10位用户设备识别码(UE ID)是利用一Reed-Muller方块处理，用以产生一32位讯息码。该产生讯息码的前8个位是重复附加至该32位讯息码的后面，藉以产生一40位讯息码。 
虽然该用户设备识别码(UE ID)长度最好能够延伸至16个码片，然而，高速共享控制信道(HS-SCCH)依目前方法是使用一10位用户设备识别码(UE ID)。该用户设备识别码(UE ID)是转换为一40位扰频序列。为了将该10位用户设备识别码(UE ID)转换为该40位扰频序列，该10位用户设备识别码(UE ID)是利用一Reed-Muller方块处理以产生一32位讯息码。另外，该产生讯息码的前8个位是重复附加于该32位讯息码的后面以产生一40位讯息码。 
为降低错误侦测的发生，各个用户设备(UE ID)的产生扰频讯息码间最好能够具有完善的区分。因此，扰频讯息码最好能够利用交替方式产生。 
发明内容
一种讯息码，其产生以扰频或非扰频关连于一特定用户的一高速共享控制信道(HS-SCCH)的数据。该特定用户设备的一用户识别码是具有L位。一1/2速率卷积编码器是利用一1/2速率卷积讯息码，处理该用户识别码的至少该等位，用以产生扰频一高速共享控制信道(HS-SCCH)的一讯息码。 
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) 的一特定用户的一讯息码。 
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位用户识别码的一讯息码。 
图2B是表示一速率匹配方块，用以配合图2A使用。 
图3是表示一简化用户设备，其是利用用户设备识别码(UE ID)专有的扰频讯息码。 
图4是表示一简化基站，其是利用用户设备识别码(UE ID)专有的扰频讯息码。 
具体实施方式
虽然所述较佳实施例是配合本发明的较佳应用详细说明，用以用于第三代合伙人计划(3GPP)宽频码份多址(W-CDMA)通信系统的高速下行分组存取(HSDPA)方法，本发明亦可以应用于其它类型的码份多址(CDMA)通信系统。图1A及图1B是表示用户设备识别码(UE ID)专有的扰频序列电路。长度L的用户设备识别码(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。该用户设备识别码(UE ID)XUE＝{XUE1、...、XUEL}是输入至一1/2速率卷积编码器10，如图1A所示。随着该用户设备识别码(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速率卷积编码器10可以在不同用户设备识别码(UE ID)产生的输出字符串间，提供一高标准的讯息码区分。另外，目前的第三代合伙人计划(3GPP)宽频码份多址(W-CDMA)通信系统是利用一1/2速率卷积编码器10以完成一前向误差校正(FEC)技术。因此，该卷积编码用户设备识别码(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便可以加入删除位，用以取得一想要的字符串长度。 
图2A及图2B是表示长度16(L＝16)的用户设备识别码(UE ID)讯息码的用户设备识别码(UE ID)专有的扰频序列电路。该16位用户设备识别码(UE ID)，XUE＝{XUE1、...、XUE16}，是输入至一1/2速率卷积编 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速率卷积编码器14处理后，该输出讯息码是具有48位长度，即CUE＝{CUE1、...、CUE48}。 
为了将该讯息码的长度降低至40位的较佳长度，8个位最好能够删除。图2B是表示执行删除的速率匹配阶段16。速率匹配阶段16后，该扰频讯息码的有效长度是40位。 
图4是表示一简化用户设备，其是利用用户设备识别码(UE ID)专有的扰频讯息码，对一高速共享控制信道(HS-SCCH)进行非扰频动作。该用户设备识别码(UE ID)扰频讯息码是利用一异或(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3是表示一简化基站，其是利用用户设备识别码(UE ID)专有的扰频讯息码，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用户的用户设备识别码(UE ID)扰频讯息码混合，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)，用以传输至该特定用户。 

Claims (22)

1.一种用于码分多址通信系统中的基站，该基站包括：
被配置成通过对用户设备识别码进行1/2速率卷积编码来处理该用户设备识别码以产生该基站用来扰频高速共享控制信道的码的电路，所述高速共享控制信道承载高速物理下行链路共享信道使用的信道化讯息码设定及调制类型；
其中该基站被配置成传输一无线信号，该无线信号将在所述高速物理下行链路共享信道上承载的负载数据提供给所述用户设备。
2.如权利要求1所述的基站，其中所述高速共享控制信道包括第一部分与第二部分，且其中所述基站使用所述码来对该高速共享控制信道的第一部分进行扰频。
3.如权利要求2所述的基站，其中所述用户设备识别码的长度为16位。
4.如权利要求3所述的基站，其中所述被配置成处理用户设备识别码的电路还被配置成处理该用户设备识别码以及附在该用户设备识别码后的8个“0”位，以产生该基站用来对所述高速共享控制信道的第一部分进行扰频的所述码。
5.如权利要求4所述的基站，其中当所述被配置成处理用户设备识别码的电路处理该用户设备识别码以及附在该用户设备识别码后的8个“0”位时，所述被配置成处理用户设备识别码的电路产生一48位码，并且其中该基站还包括：
被配置成删除所述48位码的8个位以产生该基站用来对所述高速共享控制信道的第一部分进行扰频的码的电路。
6.一种用于码分多址通信系统中的基站，该基站被配置成传输高速共享控制信道承载的控制数据，所述高速共享控制信道承载高速物理下行链路共享信道使用的信道化讯息码设定及调制类型且所述高速共享控制信道被该基站扰频以便后来在与所述通信系统相关联的一用户设备处通过一解扰频码来解扰频，该解扰频码是对与所述用户设备相关联的一用户设备识别码进行1/2速率卷积编码而产生的，其中所述基站还被配置成传输一无线信号至所述用户设备，该无线信号将在所述高速物理下行链路共享信道上承载的负载数据提供给所述用户设备。
7.如权利要求6所述的基站，其中所述高速共享控制信道包括第一部分与第二部分，且其中高速共享控制信道的第一部分已被该基站扰频。
8.如权利要求6所述的基站，其中所述用户设备识别码的长度为16位。
9.如权利要求7所述的基站，其中所述基站还包括：
1/2速率卷积编码器，被配置成处理用户设备识别码以及附在该用户设备识别码后的8个“0”位以产生一48位码；
被配置成删除所述48位码中的8个位以产生扰频码的电路；以及
被配置成混合所述高速共享控制信道的第一部分与所述扰频码以扰频所述高速共享控制信道的电路。
10.如权利要求9所述的基站，其中所述被配置成混合所述高速共享控制信道的第一部分与所述扰频码的电路包括异或门。
11.如权利要求6所述的基站，其中所述基站支持与高速下行分组存取关联的多媒体服务。
12.一种用于码分多址通信系统中的用户设备，该用户设备包括：
被配置成通过对用户设备识别码进行1/2速率卷积编码来处理该用户设备识别码以产生所述用户设备用来对高速共享控制信道进行解扰频的码的电路，所述高速共享控制信道承载高速物理下行链路共享信道使用的信道化讯息码设定及调制类型；以及
被配置成通过所述高速物理下行链路共享信道来接收负载数据的电路。
13.如权利要求12所述的用户设备，其中所述高速共享控制信道包括第一部分和第二部分，其中所述用户设备使用所述码来对高速共享控制信道的第一部分进行解扰频。
14.如权利要求12所述的用户设备，其中所述用户设备支持与高速下行分组存取关联的多媒体服务。
15.一种用于码分多址通信系统中的用户设备，该用户设备包括：
被配置成监视高速共享控制信道的电路，所述高速共享控制信道承载高速物理下行链路共享信道使用的信道化讯息码设定及调制类型且所述高速共享控制信道在与所述通信系统关联的基站处通过扰频码被扰频，且所述扰频码是通过对与所述用户设备关联的用户设备识别码进行1/2速率卷积编码而产生的；
被配置成对被所述扰频码扰频的所述高速共享控制信道进行解扰频的电路；以及
被配置成通过所述高速物理下行链路共享信道接收负载数据的电路。
16.如权利要求15所述的用户设备，其中所述被配置成监视高速共享控制信道的电路被配置成监视多达四个高速共享控制信道。
17.如权利要求16所述的用户设备，其中至少一个所述高速共享控制信道包括第一部分和第二部分，并且其中所述至少一个高速共享控制信道的所述第一部分已经被扰频码所扰频。
18.如权利要求17所述的用户设备，其中所述至少一个高速共享控制信道的所述第一部分包含所述信道化讯息码设定及调制类型。
19.如权利要求15所述的用户设备，其中所述用户设备识别码的长度为16位。
20.如权利要求17所述的用户设备，其中所述被配置成对被所述扰频码所扰频的高速共享控制信道进行解扰频的电路包括：
1/2速率卷积编码器，被配置成处理所述用户设备识别码和附在该用户设备识别码后的8个“0”位以产生一48位码；
被配置成删除所述48位码中的8个位以产生解扰频码的电路；以及
被配置成混合所述高速共享控制信道的所述第一部分与所述解扰频码的电路。
21.如权利要求20所述的用户设备，其中所述用户设备支持与高速下行分组存取关联的多媒体服务。
22.如权利要求20所述的用户设备，其中所述被配置成混合所述高速共享控制信道的所述第一部分与所述解扰频码的电路包括异或门。
CN200710093663.2A 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 Expired - Lifetime CN101035254B (zh)

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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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