TWI344279B - Generation of user equipment identification specific scrambling code for the high speed shared control channel - Google Patents

Generation of user equipment identification specific scrambling code for the high speed shared control channel Download PDF

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TWI344279B
TWI344279B TW092130149A TW92130149A TWI344279B TW I344279 B TWI344279 B TW I344279B TW 092130149 A TW092130149 A TW 092130149A TW 92130149 A TW92130149 A TW 92130149A TW I344279 B TWI344279 B TW I344279B
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code
bit
user
control channel
scch
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TW092130149A
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TW200415925A (en
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G Dick Stephen
Bolourchi Nader
Shin Sung-Hyuk
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Interdigital Tech Corp
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0064Concatenated codes
    • H04L1/0066Parallel concatenated codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H04L1/0013Rate matching, e.g. puncturing or repetition of code symbols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041Arrangements at the transmitter end
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0057Block codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0059Convolutional codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0067Rate matching
    • H04L1/0068Rate matching by puncturing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0072Error control for data other than payload data, e.g. control data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/08Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08Access point devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements 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
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812Hybrid protocols; Hybrid automatic repeat request [HARQ]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Selective Calling Equipment (AREA)
  • Communication Control (AREA)
  • Radio Relay Systems (AREA)
  • Optical Communication System (AREA)
  • Earth Drilling (AREA)
  • Dc Digital Transmission (AREA)
  • Small-Scale Networks (AREA)

Description

1344279 五、發明說明(1) 發明所屬之技術領域 本發明係有關於無線通信系統。特別是,本發明係有 關於高速共享控制通道(HS — SCCH )之使用者設備識別碼 f ( UE ID )專用之擾頻序列。 先前技術 > 寬頻分碼多重存取(W -CDMA )通信系統係提出一種 南迷下行封包存取(HSDPA )方法。這種高速下行封包存 取(HSDPA )方法係提供高下行資料速率,藉以支援多媒 體服務。 為 共享控 制通道 備(UE 個部分 (PART (UE ) 共享控 變類型 資訊係 速下行 (AMC )
支援這種高速下行封包存取(HSDPA )方法,高速 制通道(HS - SCCH )係加以使用。這些高速共享控 (HS — SCCH )係用以發送必要控制資訊至使用者設 )°各個高速共享控制通道(HS _SCCH )係具有兩 ’其分別稱為第一部分(PART I )及第二部分 I I )。第一部分(PART I )係承載使用者設備 需要之時間關鍵資訊。該資訊係包括高迷實體下行 制通道(HS ~ PDSCH )使用之通道訊息碼設定及調
’其,承載高速下行封包存取(HSDPA )負擔。該 支援高速下行封包存取(hsdpa )所必要,因為高 封包存取(HSDPA )係使用適應性調變及編碼 方法。
為取得第一部分(PART . IT „ 1 y貝讥,合個尚迷下行: 存取(HSDPA)使用者設備(UE)係監控至多四個高速
1344279
五、發明說明(2) 享控制通道(HS — SCCH )以取得其資訊。一特定使用者設 備(UE )之資訊係利用其使用者設備識別碼(UE I D )專 有之擾頻序列,與其他使用者設備(UE )進行區別。該使 用者設備(UE )係利用其使用者設備識別碼(UE ID )專 有之擾頻序列,處理各個監控之高速共享控制通道(HS _ SCCH ),藉以偵測該使用者設備(UE )預期之高速共享控 制通道(HS — SCCH )。處理後,該使用者設備(UE )係決 定:在那一個高速共享控制通道(HS~ SCCH )上,資訊係 利用其擾頻序列承載。
直至最近,一 1 0位元之使用者設備識別碼(UE I D ) 係用以做為該使用者設備(UE ί D )專有擾頻序列之基 礎。在這個例子中,該使用者設備識別碼(UE ID )係轉 換為一 4 0位元擾頻序列。為了將該1 〇位元使用者設備識別 碼(UE ID )轉換為該40位元使用者設備識別碼(UE ID ) 專有之擾頻序列’該1 〇位元使用者設備識別碼(U E ID ) 係利用一 R e e d — M u 11 e r方塊處理’用以產生一 3 2位元訊息 碼。該產生訊息碼之前8個位元係重覆附加至該3 2位元訊 息碼之後面,藉以產生一 4 0位元訊息碼。
雖然該使用者設備識別碼(UE ID )長度最好能夠延 伸至1 6個晶片,然而’高速共享控制通道(HS — SCCH )依 目前方法係使用一 1 〇位元使用者設備識別碼(UE I D )。 該使用者設備識別碼(UE I D )係轉換為一 4 0位元擾頻序 列。為了將該1 0位元使用者設備識別碼(UE I D )轉換為 該4 0位元擾頻序列’該1 〇位元使用者設備識別碼(u E
r 1344279
五、發明說明(3) ID )係利用一Reed — Mu 1 ler方塊處理以產生一32仇-切白 碼。另外’該產生訊息碼之前8個位元係重覆附加於該32 位元訊息碼之後面以產生一 4 〇位元訊息碼。 為降低錯誤偵測之發生’各個使用者設備(ϋΕ丨D ) 之產生擾頻訊息碼間最好能夠具有完善之區分。因此1擾 頻訊息碼最好能夠利用交替方式產生。 發明内容 一種訊息碼,其產生以擾頻或非擾頻關連於一特定使 用者之一高速共享控制通道(HS _SCCH )之資料。該特定 使用者設備之一使用者識別碼係具有L位元。一 1 /2速率 迴旋編碼器係利用一1 / 2速率迴旋訊息碼,處理該使用者 識別碼之至少該等位元,用以產生擾頻一高速共享控制通 道(HS — SCCH )之一訊息碼。 實施方式
D 雖然該等較佳實施例係配合本發明之較佳應用詳細說 明,藉以用於第三代合作計畫(3G pp )寬頻分碼多重存取 (W — CDMA )通信系統之高速下行封包存取(hsdpa )方 法’本發明亦可以應用於其他類型之分碼多重存取 (CDMA )通系統。第1 a及1 b圖係表示使用者設備識別碼 (UE ID )專有之擾頻序列電路。長度L之使用者設備識別 碼(此I D ) XUE係輸入至該電路。長度L可以是任何長 度,諸如:8位元、丨〇位元、丨6位元等等。該使用者設備
第6頁 五、發明說明(4) 織別碼(UE ID ) X - ( γ ν /0 - 率迴旋編碼器i 〇二Α : '…、Χ- }係輸入至- 1 /2 3 ^ Π[ °如第1 A圖所示。隨著該使用者設備識別 ^ — ),額外位元(諸如:"〇")亦可以附加至該輸 串末端,用以延伸該輸入字申之長度、或該輸出字 又使用一 1 /2速率迴旋編碼器1 〇可以在不同使用 认,識别碼(UE丨D )產生之輸出字串間,提供一高楳 :之訊息碼區分。3外’目前之第三代合作計畫(3GPP ) 頻刀碼夕重存取(w — CDMA )通信系統係利用一 1 /2速 :迴旋編碼器1 0以完成一前向誤差校正(FEC )技術。因 此’該迴旋編碼使用者設備識別碼(UE I 〇 )專有之擾頻 序列並不為要利用額外硬體產生。編碼後,基於該輸出字 串之長度,一速率匹配階段丨2便可以加入刺穿位元,用以 取得一想要之字串長度。 第2A及2B圖係表示長度1 6 ( l = 1 6 )之使用者設備識 別碼(UE ID )訊息碼之使用者設備識別碼(UE ID )專有 之擾頻序列電路。該1 6位元使用者設備識別碼(UE )X(JE { Xl)E丨、…、X[JEI6丨,係輸入至一 1/2速率迴旋 編碼器1 4 ’並將8個位元"〇"附加至該輸入字串之末端。因 此 該輸入字串係XUE1
X UE16 0 ' 0 、0 0 〇。該1 /2速率迴旋編碼器1 4處理後,該輸出訊息碼係具 有4 8位元長度,即Q = { CUE1、…、CUE48 }。 為了將該訊息碼之長度降低至4 〇位元之較佳長产,8 個位元最好能夠刺穿。第2B圖係表示執行刺穿之速率匹配 階段1 6。速率匹配階段1 6後’該擾頻訊息碼之有效長度係 1344279 : 五、發明說明(5) I 4 0位元。 第4圖係表示一簡化使用者设備,其係利用使用者設 備識別碼(UE I D )專有之擾頻訊息碼,對一高速共享控 道(HS—SCCH)進行非擾頻動作。該使用者設備識別 例來^ ,1 D )擾頻訊息碼係利用一互斥或(XOR )閘1 8,舉 用以^復與該接收高速共享控制通道(HS — SCCH )混合’ ^該蝙碼高速共享控制通道(HS _ SCCH )資料。 別碼(U E 、辰示一柄化基地台’其係利用使用者設備識 在讀高速21)專有之擾頻訊息碼’摄頻編碼資料’用以 資料係利共享控制通道(HS —SCCH )上進行傳輸。該蝙碼 擾頻訊# ^ ~特定使用者之使用者設備識別碼(UE 1D ) 擾頻資ί ^思合,諸如:利用一互斥或(X0R )閘2 0。該 藉以值私/糸用以產生該高速共享控制通道(HS — SCCH ), $ 該特定使用者。
第8頁 1344279 圊式簡單說明 第1 A圖,係表示一電路,其係用以產生關連一高速共享控 制通道(HS - SCCH )之一特定使用者之一訊息碼。 第1 B圖,係表示一用以配合第1 A圖使用之速率匹配方塊。 第2 A圖,係表示一電路,其係用以產生關連一 1 6位元使用 者識別碼之一訊息碼。 第2B圖,係表示一用以配合第2A圖使用之速率匹配方塊。 第3圖,係表示一簡化使用者設備,其係利用使用者設備 識別碼(UE I D )專有之擾頻訊息碼。 第4圖,係表示一簡化基地台,其係利用使用者設備識別 碼(U E I D )專有之擾頻訊息碼。 元件符號說明 1 0,1 4 ,1 / 2速率迴旋編碼器 12 > 16 速率匹配器 18 , 20 閘
第9頁

Claims (1)

1344279 11〇〇年3尸抑曰修正替换頁 六、申請專利範圍 1. 一種在無線通信中使用的裝置,包括. 、 一輸入,係架構以接收一具有L·位元之使用者識別,以 及 一輪出,係架構以產生一碼,該碼係被用以擾頻一问速 共享控制通道(HS —SCCH ); 、 其中該裝置係藉一 1/2速率迴旋碼而有效率地處理至乂 該使用者識別的L位元。 2. 如申請專利範圍第1項所述之裝置’其更可被用以有效 率地執行一1/2速率迴旋編碼以產生用以擾頻該高速共享 控制通道(HS — SCCH )的該碼。 3. —種在無線通信中使用的使用者設備’包括: 一輸入,其架構以接收一 1 6位元使用者識別碼;以及 一裝置,其係透過使用一 1 /2速率迴旋編碼而利用8個 附加"0"位元有效率地處理該1 6位元使用者識別碼,以產 生不對一高速共享控制通道(HS—SCCH )發生擾頻的一48 位元碼。 4.如申請專利範圍第3項所述之使用者設備,其中該裝置 更將在該4 8位元碼產生之後’有效率地執行速率匹配以刺 穿8個位元。 以及 用8個 ’以產 的〜48 5. —種在無線通信中使用的使用者設備,包括: 一輸入,係架構以接收—;! 6位元使用者識別碼; 一設備,其係透過使用—丨/2速率迴旋編碼而利 附加"Οπ位元有效率地處理該丨6位元使用者識別 生不對一高速共享控制通道(HS — SCCH )發生擾頻
第10頁 1344279 六'申請專利範圍 位元碼。 6. 如申請專 該4 8位元碼 7. —種在無 一輸入, 以及 一裝置, 使用者設備 8個附加"0 " 對一高速共 碼。 8. 如申請專 在該48位元 位元。。 9. 一種在無 一輸入, 以及 一設備, 使用者設備 8個附加π 〇" 對一高速共 碼。 1 0.如申請^ 位元碼產生 別螞 其係針對一 叫Μ正替换f 利範圍第5項所述之使用者設備,其更包含在 產生之後刺穿8個位元的設備。 線通^中使用的基地台,包括: 其架構以接收具有1 6位元之一使用者熾別碼. 其係針對一與該1 6位元使用者識別碼有關聯 而透過有效率地執行一 1 /2速率迴旋碥碼以^ 位元來處理該1 6位元使用者識別碼’進以產藉 享控制通道(HS—SCCH)發生擾頻的〜48 生 利範圍第7項所述之基地台,其中該裝窨s 尾·災將 碼產生之後有效率地執行速率匹配以刺 牙8個 線通信中使用的基地台,包括: 其架構以接收具有1 6位元之一使用者識 兴故i υ m τυ尺用有識別碼有關 而透過有效率地執行一1/2速率迴旋編 聯之 位元來處理該1 6位元使用者識別碼,進以 稽 享控制通道(HS—SCCH)發生擾頻的 L利範圍第9項所述之基地台’其更包含在該4 § 之後有效率地刺穿8個位元的設備。
TW092130149A 2002-05-07 2003-04-29 Generation of user equipment identification specific scrambling code for the high speed shared control channel TWI344279B (en)

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US37850902P 2002-05-07 2002-05-07
US37817002P 2002-05-13 2002-05-13
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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TW200415925A TW200415925A (en) 2004-08-16
TWI344279B true TWI344279B (en) 2011-06-21

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Application Number Title Priority Date Filing Date
TW092206856U TW579162U (en) 2002-05-07 2003-04-29 User equipment for scrambling a high speed shared control channel
TW092110071A TWI232044B (en) 2002-05-07 2003-04-29 Apparatus for generating user equipment identification specific scrambling code for the high speed shared control channel
TW096110428A TWI363521B (en) 2002-05-07 2003-04-29 Generation of user equipment identification specific scrambling code for the high speed shared control channel
TW095115509A TWI333796B (en) 2002-05-07 2003-04-29 3gpp high speed downlink packet access user equipment
TW099123044A TWI347761B (en) 2002-05-07 2003-04-29 Wideband code divisional multiple access user equipment and method implemented therein
TW092130149A TWI344279B (en) 2002-05-07 2003-04-29 Generation of user equipment identification specific scrambling code for the high speed shared control channel
TW100130813A TWI451717B (zh) 2002-05-07 2003-04-29 寬頻分碼多重存取(wcdma)使用者設備(ue)及其方法
TW101111504A TW201304432A (zh) 2002-05-07 2003-04-29 高素共享控制通道之使用者設備識別碼專有擾頻訊息碼之產生
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