JP2012239209A - Sc−fdma通信システムにおけるシーケンスホッピング - Google Patents
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- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/0012—Hopping in multicarrier systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0055—ZCZ [zero correlation zone]
- H04J13/0059—CAZAC [constant-amplitude and zero auto-correlation]
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- H—ELECTRICITY
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- H04J13/0074—Code shifting or hopping
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- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
- H04J13/22—Allocation of codes with a zero correlation zone
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4904—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using self-synchronising codes, e.g. split-phase codes
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- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0042—Arrangements for allocating sub-channels of the transmission path intra-user or intra-terminal allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0466—Wireless resource allocation based on the type of the allocated resource the resource being a scrambling code
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0055—ZCZ [zero correlation zone]
- H04J13/0059—CAZAC [constant-amplitude and zero auto-correlation]
- H04J13/0062—Zadoff-Chu
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
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Abstract
【解決手段】 通信システムにおけるユーザ装置がシーケンスを用いて信号を送信する方法であって、信号送信は、周波数ドメインで多数の資源ブロックに亘って、及び、時間ドメインで多数のシンボルに亘ってなされ、多数の資源ブロックの個数が、所定値より小さい場合には、単一シーケンスを用いて信号を送信するステップと、多数の資源ブロックの個数が、所定の値以上の場合には、上位階層から提供された情報に基づいてシーケンスホッピングが適用されたシーケンスを用いて信号を送信するステップとを含む。
【選択図】 図1
Description
Claims (14)
- 通信システムにおけるユーザ装置がシーケンスを用いて信号を送信する方法であって、前記信号送信は、周波数ドメインで多数の資源ブロックに亘って、及び、時間ドメインで多数のシンボルに亘ってなされ、
前記多数の資源ブロックの個数が、所定値より小さい場合には、単一シーケンスを用いて前記信号を送信するステップと、
前記多数の資源ブロックの個数が、前記所定の値以上の場合には、上位階層から提供された情報に基づいてシーケンスホッピングが適用されたシーケンスを用いて前記信号を送信するステップと、
を含むことを特徴とするシーケンス割り当て方法。 - 前記多数の資源ブロックの個数が、前記所定の値以上の場合には、前記シーケンスホッピングが適用されるか否かを示す前記情報を受信するステップをさらに含むことを特徴とする請求項1に記載の信号送信方法。
- 前記シーケンスホッピングは、疑似乱数関数(Pseudo random function)を用いて遂行されることを特徴とする請求項1または2に記載の信号送信方法。
- 前記所定の値は、6であることを特徴とする請求項1乃至3のいずれか一項に記載の信号送信方法。
- 前記信号は、基準信号を含むことを特徴とする請求項1乃至4のいずれか一項に記載の信号送信方法。
- 前記シーケンスホッピングは、スロットごとに遂行されることを特徴とする請求項1乃至5のいずれか一項に記載の信号送信方法。
- 前記シーケンスは、CAZAC−基盤シーケンスを含むことを特徴とする請求項1乃至6のいずれか一項に記載のシーケンス割り当て方法。
- 通信システムにおけるシーケンスを用いて信号を送信する装置であって、前記信号送信は周波数ドメインで多数の資源ブロックに亘って、及び、時間ドメインで多数のシンボルに亘ってなされ、
基地局に前記信号を送信する送信機と、
前記多数の資源ブロックの個数が所定値より小さい場合には、単一シーケンスを用いて前記信号を送信し、前記多数の資源ブロックの個数が前記所定の値以上の場合には、上位階層から提供された情報に基づいてシーケンスホッピングが適用されたシーケンスを用いて前記信号を送信する動作を制御する制御機と、
を含むことを特徴とする信号送信装置。 - 前記基地局から提供される情報を受信する受信機をさらに含み、
前記制御機は、前記多数の資源ブロックの個数が、前記所定の値以上の場合には、前記基地局から前記シーケンスホッピングが適用されるか否かを示す前記情報を受信する動作をさらに制御することを特徴とする請求項8に記載の信号送信装置。 - 前記シーケンスホッピングは、疑似乱数関数(Pseudo random function)を用いて遂行されることを特徴とする請求項8または9に記載の信号送信装置。
- 前記所定の値は、6であることを特徴とする請求項8乃至10のいずれか一項に記載の信号送信装置。
- 前記信号は、基準信号を含むことを特徴とする請求項8乃至11のいずれか一項に記載の信号送信装置。
- 前記シーケンスホッピングは、スロットごとに遂行されることを特徴とする請求項8乃至12のいずれか一項に記載の信号送信装置。
- 前記シーケンスは、CAZAC−基盤シーケンスを含むことを特徴とする請求項8乃至13のいずれか一項に記載の信号送信装置。
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JP2012165589A Active JP5539457B2 (ja) | 2007-09-03 | 2012-07-26 | Sc−fdma通信システムにおけるシーケンスホッピング |
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