JP4722223B2 - 無線通信移動局装置およびランダムアクセス方法 - Google Patents
無線通信移動局装置およびランダムアクセス方法 Download PDFInfo
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- JP4722223B2 JP4722223B2 JP2010265294A JP2010265294A JP4722223B2 JP 4722223 B2 JP4722223 B2 JP 4722223B2 JP 2010265294 A JP2010265294 A JP 2010265294A JP 2010265294 A JP2010265294 A JP 2010265294A JP 4722223 B2 JP4722223 B2 JP 4722223B2
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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
- 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]
- H04J13/0066—GCL [generalized chirp-like] sequences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
- H04J13/22—Allocation of codes with a zero correlation zone
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
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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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
Description
本実施の形態に係る移動局10の構成を図1に示す。
上記図7に示すように、セル内において各制御情報の発生率には偏りがある場合がある。よって、このような場合には、より多く発生する制御情報に対してより多くの符号系列を割り当てるのが好ましい。
セル内において各制御情報の発生率は変化する場合がある。例えば、セル内における同一箇所でも、夜間より日中の方が存在する移動局の数が多い場合があり、このような場合には、ある特定の同一の制御情報であっても、夜間より日中の方が発生率が高くなる。
Claims (14)
- 複数の基本系列から生成された複数の系列が、同一の前記基本系列から生成された系列を優先的に含む所定数の前記系列が同一のグループに含まれるように、それぞれが異なるデータ量又は受信品質に関連付けられた複数のグループにグループ化され、前記データ量又は前記受信品質に対応するグループから、1つの系列をランダムに選択する選択手段と、
選択された前記系列を送信する送信手段と、
を具備する移動局装置。 - 前記送信手段は、ランダムアクセスチャネルにて、選択された前記系列を送信する、
請求項1に記載の移動局装置。 - 前記所定数は、受信した制御情報から決定される、
請求項1又は2に記載の移動局装置。 - 受信した制御情報に応じて、前記所定数が変化する、
請求項1から3のいずれかに記載の移動局装置。 - 受信した制御情報に応じて、前記複数のグループのそれぞれに含まれる前記系列の数が変化する、
請求項1から4のいずれかに記載の移動局装置。 - 前記複数のグループは、それぞれ、異なる数の前記系列からなる、
請求項1から5のいずれかに記載の移動局装置。 - 前記基本系列の系列番号の昇順に並べられた前記複数の系列を区分することによって、前記複数の系列がグループ化される、
請求項1から6のいずれかに記載の移動局装置。 - 受信した制御情報に応じて、前記複数の系列を区分する位置が変化する、
請求項7に記載の移動局装置。 - 複数の異なる前記データ量又は前記受信品質のうちの1つに関連付けられた一つのグループは、前記複数の基本系列の少なくとも1つから生成されたすべての前記系列からなる、
請求項1から8のいずれかに記載の移動局装置。 - 発生率がより高い前記データ量又は前記受信品質に関連付けられたグループは、より多くの前記系列からなる、
請求項1から9のいずれかに記載の移動局装置。 - 前記データ量又は前記受信品質の発生率に応じて、前記複数のグループのそれぞれに含まれる前記系列の数が変化する、
請求項1から10のいずれかに記載の移動局装置。 - 前記複数の基本系列のそれぞれから、巡回シフトが異なる複数の前記系列が生成される、
請求項1から11のいずれかに記載の移動局装置。 - 前記基本系列はGCL系列である、
請求項1から12のいずれかに記載の移動局装置。 - 複数の基本系列から生成された複数の系列を、同一の前記基本系列から生成された系列を優先的に含む所定数の前記系列が同一のグループに含まれるように、それぞれが異なるデータ量又は受信品質に関連付けられた複数のグループにグループ化し、
前記データ量又は前記受信品質に対応するグループに含まれる複数の前記系列の中から、いずれか1つの系列をランダムに選択する、
ランダムアクセス方法。
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JP2010265294A Active JP4722223B2 (ja) | 2006-03-20 | 2010-11-29 | 無線通信移動局装置およびランダムアクセス方法 |
JP2011091089A Active JP5323119B2 (ja) | 2006-03-20 | 2011-04-15 | 移動局装置、ランダムアクセス方法および集積回路 |
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US (9) | US8139473B2 (ja) |
EP (3) | EP3720006A1 (ja) |
JP (3) | JP4887357B2 (ja) |
CN (2) | CN103068062B (ja) |
ES (2) | ES2564302T3 (ja) |
HK (1) | HK1225869A1 (ja) |
HU (1) | HUE050594T2 (ja) |
PL (1) | PL3032754T3 (ja) |
WO (1) | WO2007108476A1 (ja) |
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