JP4927866B2 - 逆方向リンクによる他セクタとの通信 - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/22—Performing reselection for specific purposes for handling the traffic
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- 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
- H04L1/1829—Arrangements specially adapted for the receiver end
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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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
- H04L5/0035—Resource allocation in a cooperative multipoint environment
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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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
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- 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
- H04L2001/0092—Error control systems characterised by the topology of the transmission link
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- Computer Networks & Wireless Communication (AREA)
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Description
あるアクセスポイント、及び/又はアクセスポイントでカバーされている区域を表すことができる。具体的には、セクタは、利用可能なシステム・リソース(例えば、帯域幅及び送信パワー)を共用することによって多くの端末にサービスを提供する。セクタは、いろいろなリソースを個々の端末装置に割当てる。通常、アクセスポイントは、アクセスポイントがサポートしている端末装置に各種リソースを割当てる。
Claims (25)
- 無線環境で端末装置と非サービング・セクタとの間の逆方向リンク通信を容易化する方法において、
サービング・セクタが
割当て情報を端末装置に送信し、
周辺セクタに前記割当て情報を送信し、
前記割当て情報は、サービング・セクタによって前記端末装置に割当てられたリソースを含み、
前記端末装置がサービング・セクタによってまだサポートされている間に、前記周辺セクタは、前記割当て情報に少なくとも部分的に基づいて前記端末装置からの逆方向リンク伝送を処理し、前記周辺セクタは、前記逆方向リンク伝送の処理が成功裏に完了したときは他のセクタに前記逆方向リンク伝送の処理の成功を示す肯定応答を送信し、前記周辺セクタは、他のセクタが前記端末装置からの逆方向リンク伝送の処理を成功裏に完了したことを示す肯定応答を他のセクタから受信したときは前記逆方向リンク伝送の処理を終了する、
方法。 - さらに、サービング・セクタが直交周波数分割多重化を用いて前記割当て情報を生成する、請求項1に記載の方法。
- 前記周辺セクタは、前記割当て情報に基づき前記端末装置に割当てられた副搬送波を識別し、前記識別された副搬送波に少なくとも部分的に基づいて前記逆方向リンク伝送を検出する、請求項2に記載の方法。
- 前記割当て情報は、バックホールシグナリングを使って前記周辺セクタに提供される、請求項1に記載の方法。
- さらに、サービング・セクタが、前記逆方向リンク伝送の処理の成功を示す肯定応答を、前記端末装置に送信する、請求項1に記載の方法。
- さらに、サービング・セクタが、負荷の分散を行うため、前記周辺セクタと前記逆方向リンク伝送の処理を調整する、請求項1に記載の方法。
- さらに、サービング・セクタが、
前記逆方向リンク伝送の処理を前記周辺セクタが成功裏に完了したとの通知を受信し、
前記逆方向リンク伝送の処理を終了する、請求項6に記載の方法。 - さらに、サービング・セクタが、
前記周辺セクタが前記逆方向リンク伝送の処理を開始したとの通知を受信し、
前記通知に応答して前記逆方向リンク伝送の処理を終了する、請求項6に記載の方法。 - さらに、サービング・セクタが、
前記周辺セクタによる前記逆方向リンク伝送の処理が失敗したとの通知を受信し、
前記逆方向リンク伝送の処理を行う、請求項8に記載の方法。 - さらに、サービング・セクタがソフトハンドオフ対象の前記端末装置を識別する、請求項1に記載の方法。
- さらに、サービング・セクタが、前記端末装置のアクチブ・セットに少なくとも部分的に基づいて、前記割当て情報の提供対象となる前記周辺セクタを識別する、請求項1に記載の方法。
- さらに、前記周辺セクタが、
前記周辺セクタによってサポートされている周辺の端末装置からの伝送を受信し、
前記受信した伝送を格納し、
前記受信した伝送に関連する周辺の割当て情報を受信し、
前記周辺の割当て情報に基づき前記受信した伝送を処理する、請求項1に記載の方法。 - 無線環境で端末装置と非サービング・セクタである周辺セクタとの通信を容易化する、周辺セクタにおける装置において、
端末装置をサポートしているサービング・セクタから前記端末装置に対する割当て情報を受信し、前記端末装置がサービング・セクタによってまだサポートされている間に、前記端末装置によって提供される通信を前記受信した割当て情報に少なくとも部分的に基づいて処理し、前記通信の処理が成功裏に完了したときは他のセクタに前記通信の処理の成功を示す肯定応答を送信し、他のセクタが前記端末装置によって提供される通信の処理を成功裏に完了したことを示す肯定応答を他のセクタから受信したときは前記通信の処理を終了するする命令、を実行するプロセッサと、
前記通信を格納するメモリと、
を備える周辺セクタにおける装置。 - 前記割当て情報は、直交周波数分割多重化に基づいて前記端末装置に割当てられたチャネルを含む、請求項13に記載の装置。
- 前記命令は、前記通信の処理成功を示す肯定応答を前記サービング・セクタに送信することをさらに備える、請求項13に記載の装置。
- 前記命令は、前記通信の処理成功を示す肯定応答を前記端末装置に送信することをさらに備える、請求項13に記載の装置。
- 前記メモリは、前記割当て情報が着信次第処理するために、前記通信をバッファリングする、請求項13に記載の装置。
- 前記命令は、前記格納された通信を増分的に処理することをさらに備える、請求項17に記載の装置。
- 前記サービング・セクタに、前記通信の処理の開始を通知することをさらに備える、請求項13に記載の装置。
- 前記命令は、
前記通信の処理成功の通知を受信することと、
前記伝送の処理を終了することと、
をさらに備える、請求項13に記載の装置。 - ユーザ装置と非サービング・セクタである周辺セクタとの通信を容易化するコンピュータ実行可能な命令を実行するプロセッサにおいて、
前記命令は、
ユーザ装置に関連するリソース割当て情報をサービング・セクタから受信することと、
前記ユーザ装置から少なくとも一つのデータパケットを受信することと、
前記ユーザ装置がサービング・セクタによってまだサポートされている間に、前記リソース割当て情報に基づき前記少なくとも一つのデータパケットを処理することと、
前記データパケットの処理が成功裏に完了したときは他のセクタに前記データパケットの処理の成功を示す肯定応答を送信することと、
他のセクタが前記ユーザ装置から受信した少なくとも一つのデータパケットの処理を成功裏に完了したことを示す肯定応答を他のセクタから受信したときは前記データパケットの処理を終了することと、
を備える、プロセッサ。 - 前記リソース割当て情報は、直交周波数多重化に基づいて前記端末装置に割当てられた副搬送波を含む、請求項21に記載のプロセッサ。
- 前記命令は、前記リソース割当て情報が着信次第処理するために、前記少なくとも一つのデータパケットを格納することをさらに備える、請求項21に記載のプロセッサ。
- 前記命令は、前記少なくとも一つのデータパケットの処理が成功次第、前記端末装置に通知を送信することをさらに備える、請求項21に記載のプロセッサ。
- 前記命令は、負荷の分散について前記サービング・セクタと処理を調整することをさらに備える、請求項21に記載のプロセッサ。
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US75664106P | 2006-01-05 | 2006-01-05 | |
US60/756,641 | 2006-01-05 | ||
PCT/US2007/060195 WO2007112143A2 (en) | 2006-01-05 | 2007-01-05 | Reverse link processing by serving and non-serving sectors in a wireless communication system |
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JP2009522958A JP2009522958A (ja) | 2009-06-11 |
JP4927866B2 true JP4927866B2 (ja) | 2012-05-09 |
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US (1) | US8831607B2 (ja) |
EP (1) | EP1969895A2 (ja) |
JP (1) | JP4927866B2 (ja) |
KR (1) | KR101052371B1 (ja) |
CN (1) | CN101366314A (ja) |
TW (1) | TWI339081B (ja) |
WO (1) | WO2007112143A2 (ja) |
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KR20080091207A (ko) | 2008-10-09 |
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US20070207812A1 (en) | 2007-09-06 |
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