TWI363521B - 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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TWI363521B
TWI363521B TW096110428A TW96110428A TWI363521B TW I363521 B TWI363521 B TW I363521B TW 096110428 A TW096110428 A TW 096110428A TW 96110428 A TW96110428 A TW 96110428A TW I363521 B TWI363521 B TW I363521B
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base station
code
user equipment
scch
control channel
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TW096110428A
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TW200733628A (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
    • 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
    • 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
    • H04L1/0001Systems 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
    • 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]
    • 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

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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)
  • Dc Digital Transmission (AREA)
  • Optical Communication System (AREA)
  • Earth Drilling (AREA)
  • Small-Scale Networks (AREA)
  • Radio Relay Systems (AREA)

Description

Γ363521 九、發明說明: 【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(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 參 高速下行封包存取(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。 為支援這種高速下行封包存取(HSDPA)方法,高速共 旱控制通道(HS —SCCH)係加以使用。這些高速共享控制通 道(HS —SCCH)係用以發送必要控制資訊至使用者設備 (UE)。各個高速共享控制通道(HS — SCCH)係具有兩個 部分,其分別稱為第一部分(P ART I)及第二部分(p ART n ) q • 帛:部分(pART I)係承載使用者設備(UE)需要之時間關 鍵資況。該資訊係包括高速實體下行共享控制通道(hs — PDSCH)使用之通道訊息碼設定及調變類型,其係承載高速 下行封包存取(HSDPA)貞擔。該資關支援高速下行:包 存取(HSDPA)所必要,因為高速下行封包存取⑽DpA) 係使用適應性調變及編碼(AMC)方法。 為取得第-部分(PART D資訊,各個高速下行 取⑽腦)使用者讀(UE)係監控至多四個高速共享控 5 1363521 制通道(HS — SCCH)以取得其資訊。一特定使用者設備(证) 之資訊係利用其使用者設備識別碼(UEID )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 10位元之使用者設備識別碼(UE ID)係 用以做為該使用者設備(UE ID)專有擾頻序列之基礎。在這 個例子中,該使用者設備識別碼(UEID)係轉換為一 4〇位元 擾頻序列。為了將該ίο位元使用者設備識別碼(顶①)轉換 為該4〇位元使用者設備識別碼(UEID)專有之擾頻序列,該 10位元使用者設備識別碼(UE id)係利用一 Reed_Muller 方塊處理’用以產生-32位元訊息碼。該產生訊息碼之前8 個位元係重覆附加至該32位元訊息碼之後面,藉以產生一 4〇 位元訊息碼。 雖然該使用者設備識別碼(UEID)長度最好能夠延伸至 16個晶片,然而,南速共旱控制通道㈣―SCCH)依目前方 法係使用-10位το使用者設備識別碼(UEID)。該使用者設 備識別碼(UE ID)係、轉換為—4(M立元擾頻序列。為了將該 H)位元使用者設備識別碼(UE ID)轉換為該4〇位元擾頻序 列’該10位兀使用者设備識別碼(UE ID)係利用一 Reed—
Muller方塊處理以產生一 32位元訊息碼。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 6 一 40位元訊息石馬 錯誤偵測之發生,各個使用者設備⑽叫之產 擾頻訊心碼間最好能夠具有$善之區分。因此 最好能夠利用交替方式產生。 【發明内容】 訊息碼’其產生以擾頻或非擾頻關連於一特定 者^ 物S —SGGH)樣4 °雜定使用 =用X碼係具打位元。,速率迴旋編 速率迴旋訊息碼,處理該使用者識別碼之 【實施方式】 明雖然該等較佳實施例係配合本發明之較佳應用詳細說
二=第::代合軸(3GPP) _分碼多重存:二 太恭日 d系統之㊉速下行封包存取(HSDPA)方法, ^明=以制於其他_之分料重存取(CDMA 圖係表示使用者設備識別碼( ‘ ,頻,列電路。長度R使用者設備識 =至=路。娜可以是任何長度,諸如:8位元、1〇位=糸 位該使用者設備識別竭(UEid)Xue= {χ肥、、 至—1刀速率迴旋編碼器10,如第關所示。 =雜用者設備識別碼(UEID),額外位元(諸如:
亦可以附加至該輸人字串之末端,用以延伸該輸人字串U 度、或雜出字串之長度。使用-1/2逮率迴旋__可以 在不同使用者設備識_ (UEID) 二分,,目前之第三代=二 ,吻#系統係利用-1/2速率 == 前向誤差校正(FEC)技術。因此,該 要=:=τ)專有之擾頻序列並不需 r更篮彦生。編碼後,基於該輸 :配階段12便可以加人刺穿位元,_取彳^“^ 碼α==16)之使用者設備識別 碼之使用者設備識別碼(UE ID)專有之擾 頻序列電路。祕位元使用者設備識別碼⑽叫專有 并:·.· XUE16),係輸入至一1/2速率迴旋編碼器14, 並^個位W附加至該輸人字串之末端。因此,該輸入字串 糸而、.··、X咖、0、0、〇、〇、〇、〇、〇、〇。該1/2速率 迴频碼H14處理後,該輸出訊息碼係具有條元長度,即 CUE= {CUE丨、.._、cUE48}。 …為了將魏息碼之長度降低至40位元之較佳長度,8個位 70最好能關穿。第2B_表示執行财之速率匹配階段 16。速率匹g⑽段16後,輯舰息碼之有效長度係條元。 第4圖係表示一簡化使用者設備,其係利用使用者設備識 別馬(UE ID)專有之擾頻訊息碼,對—高速共享控制通道(把 _SCCH)進行非擾頻動作。該使用者設備識別碼(UE ID) 擾頻訊息__—互斥或(XqR)閘18,舉例來說,盘該接 收高速共享控制通道(HS —SCCH)混合,肋回復該編碼高 丄允3521 速共享控制通道(HS —SCCH)資料。 第3圖係表示—簡化基地台,其係彻使用者設備識別 碼(UEID)專有之擾頻訊息碼,擾頻編碼資料,用以在該高 料享控制通道(HS-SCCH)上進行傳輸。該糾資料: 用—特定使財之使用者設備識別碼(UEID)擾頻訊息碼混 合,諸如:_一互斥或(x〇R)閘2G。該擾頻資料係用以 產生該高速共享控制通道(HS —SCCH),藉以傳輸至該特定 使用者。 φ 【圖式簡單說明】 第1A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1B圖,係表示一用以配合第丨八圖使用之速率匹配方塊。 第2A圖,係表示一電路,其係用以產生關連一16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(UEID)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(UE ID)專有之擾頻訊息碼。 【主要元件符號說明】 10 ’ 14 1/2速率迴旋編碼器 12 ’ 16 速率匹配器 18 » 20 閘 9

Claims (1)

1363521十、申請專利範圍: * ; 夺n.· ·;::··乂只 m毛12月26曰修正替換頁 一種於一分碼多重存取通信系統中使用的基地台,該基地台包 括: 一電路,用以藉由1/2速率迴旋編碼一使用者設備識別碼 (UEID)來處理該UEH)以產生該基地台用於擾頻一高速共享 控制通道(HS —SCCH)的一碼, 其中,該基地台用於傳輸一無線信號,該無線信號將在一 高速實體下行共享控制通道(HS —PDSCH)上所載的一負載資 料提供給該使用者設備,該HS_PDSCH與該HS SCC_關聯。 2. 如申請專利範圍第1項所述的基地台,其中該HS-SCCH包含一 第一部分與一第二部分,且其中該基地台使用該碼來僅對該 HS-SCCH的該第一部分進行擾頻。 3. 如申請專利範圍第2項所述的基地台,其中該uejd的長度為16 位元。 4.如申晴專利範圍第3項所述的基地台’其中用於處理該UEID的 該裝置更用於處理該顶仍以及附在該证仍的請‘””位元,# 產生該基地台用於對該HS-SCCH的該第一部分的該碼進行擾 頻。 5·如申請專利範圍第4項所述的基地台,其中用於處理該证仍的 該裝置處理該UE ID以及附在該UE ID的8個“0,,位元,且用於處 理該UE ID的該裝置產生一48位元碼,以及其中該基地台更包 含: 10 1363521 ^ΤΓ^2Τ~-\ ..'· 年月厂'更坤細貝 一 -用於穿綱48位το碼的8她元以產生該基地台用於對 該HS-SCCH的該第一部分的該碼進行擾頻的裝置。 6. 如申.月專利範圍第2項所述的基地台,其中該把父⑶的該第 一部分包含與該HS-PDSCH關聯的一通道與調變資訊。 7. 如申請專利範圍第i項所賴基地台,其中該基地台支援一多媒 體服務。 8. -種經配置用於一分碼多重存取通信系统中的基地台,該基地 φ 台包括: 傳輸益,經配置用以傳輸複數高速共享控制通道 (HS-SCCH)所載的一控制資料; 一處理器,經配置用以使用一擾頻序列對該複數HS_SCCH 的至少其一進行擾頻,該擾頻序列是藉由對與一使用者設備關 聯的-使用者設備識別碼(UE ID)進行1/2速率迴旋編碼而產 生;以及 • 該傳輸器更經配置用於傳輸-無線信號至該使用者設備, 該無線信號將在一高速實體下行共享控制通道(HS—PDSCH) 上所載的一負載資料提供給該使用者設備,該HS-PDSCH與該 HS-SCCH相關聯。 9. 如申睛專利範圍第8項所述的基地台,其中該複數HS_SCCH& 至少其一包含一第一部分與一第二部分,且其中僅有該複數 HS-SCCH的該至少其—的該第一部分已被該基地台擾頻。 11 1363521 r ·γτ~τ^------- • .年▲ >Γ 止機貝] —— ' --------IQQJU2JJ6曰修正替換頁 10.如申請專利範圍第9項所述的基地台,其中該HS-SCCH的該至 少其一的該第一部分包含與該HS-PDSCH關聯的一通道與調變 資訊。 U.如申請專利範圍第8項所述的基地台,其中該UEID的長度為16 位元。 12. 如申請專利範圍第8項所述的基地台,其中該基地台更包含: 一 1/2速率迴旋編碼器,經配置用於處理該证仍以及附在 Φ 該证的8個位元以產生一48位元碼; 一用於穿刺該48位元碼的8個位元的裝置;以及 一用於混合該複數HS-SCCH的該至少其一的該第一部分 與穿刺過的該48位元碼以擾頻該複數HS_SCCH的該至少其一 的裝置。 13. 如申凊專利範圍第12項所述的基地台,其中該用於混合該複數 HS-SCCH的該至少其一的該第一部分與穿刺過的該似位元碼的 籲 裝置包含一互斥或(XOR)閘。 H.如申请專利範圍第8項所述的基地台’其中該基地台支援一多媒 體服務。 15. —種分碼多重存取系統,包含: 一基地台,其包含一藉由1/2速率迴旋編碼一使用者設備識 別碼(UE ID)來處理該ueh)以產生該基地台用於擾頻一高速 共享控制通道(HS-SCCH)的-碼的裝置,其中,該基地台 12 1363521 下 經配置用於傳輸一無線信號’該無線信號提供在一高速實體 行共享控制通道(HS —PDSCH)上所載的一負載資料,該 HS-PDSCH與該HS-SCCH相關聯;以及 一使用者設備’用於接收該基地台所傳輸的該無線信號, 該使用者設備包含一用於以丨/2速率迴旋編碼該顶①來處理該 UE ID以再生該擾頻竭而解譯經擾頻過的前呂-犯⑶的裝置。
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TW096110428A 2002-05-07 2003-04-29 Generation of user equipment identification specific scrambling code for the high speed shared control channel TWI363521B (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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TW200733628A TW200733628A (en) 2007-09-01
TWI363521B true TWI363521B (en) 2012-05-01

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