JP4376877B2 - 複数のサブキャリアからなるチャネルにより通信可能な無線通信端末及びその方法 - Google Patents
複数のサブキャリアからなるチャネルにより通信可能な無線通信端末及びその方法 Download PDFInfo
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- JP4376877B2 JP4376877B2 JP2006204208A JP2006204208A JP4376877B2 JP 4376877 B2 JP4376877 B2 JP 4376877B2 JP 2006204208 A JP2006204208 A JP 2006204208A JP 2006204208 A JP2006204208 A JP 2006204208A JP 4376877 B2 JP4376877 B2 JP 4376877B2
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- 238000004891 communication Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims description 31
- 238000005259 measurement Methods 0.000 claims abstract description 91
- 239000000969 carrier Substances 0.000 abstract description 3
- 108091006146 Channels Proteins 0.000 description 86
- 230000001413 cellular effect Effects 0.000 description 4
- 230000011664 signaling Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 241001522296 Erithacus rubecula Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000013468 resource allocation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
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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
- H04L5/0001—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
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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
- H04L5/0046—Determination of how many bits are transmitted on different sub-channels
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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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
-
- 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
- H04L5/0058—Allocation criteria
- H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
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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—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
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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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0026—Division using four or more dimensions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
Description
請求項6に記載の発明は、請求項5に記載の方法において、ビットマップとは別に差分でないチャネル品質インジケータ測定情報を報告する工程を含むことを要旨とする。
請求項15に記載の発明は、請求項11に記載の無線通信端末において、差分チャネル品質インジケータ測定情報は対応するチャネルの以前に報告されたチャネル品質インジケータ測定情報に基づくことを要旨とする。
Claims (15)
- 1つ以上のサブキャリアを各々含む複数の周波数帯域へと分割される複数のサブキャリアからなるチャネルにより通信することが可能な無線通信デバイスにおける方法であって、
複数の周波数帯域のチャネル品質インジケータを測定する工程と、
連続的な複数の報告によりチャネル品質インジケータ測定情報を報告する工程と、
各報告は1つ以上の周波数帯域の差分でないチャネル品質インジケータ測定情報を含み、かつ、各報告はチャネル品質インジケータの測定された他の全ての周波数帯域の差分チャネル品質インジケータ測定情報を含むことと、
各連続的な報告は他の報告とは異なる周波数帯域の差分でないチャネル品質インジケータ測定情報を含み、かつ、各連続的な報告はチャネル品質インジケータの測定された他の全ての周波数帯域の差分チャネル品質インジケータ測定情報を含むことと、からなる方法。 - 各報告は1つ以下の周波数帯域の差分でないチャネル品質インジケータ測定情報を含み、かつ、各報告はチャネル品質インジケータの測定された他の全ての周波数帯域の差分チャネル品質インジケータ測定情報を含む請求項1に記載の方法。
- 連続的な複数の報告により各周波数帯域のチャネル品質インジケータ測定情報を巡回的に報告する工程を含む請求項2に記載の方法。
- 差分でないチャネル品質インジケータ測定情報を報告する工程は平均チャネル品質インジケータ測定情報を報告する工程を含む請求項1に記載の方法。
- ビットマップにより差分チャネル品質インジケータ測定情報を報告する工程を含む請求項1に記載の方法。
- ビットマップとは別に差分でないチャネル品質インジケータ測定情報を報告する工程を含む請求項5に記載の方法。
- チャネル品質インジケータ測定情報を報告する工程において用いられるビットより少ないビットを用いて差分チャネル品質インジケータ情報を報告する工程を含む請求項1に記載の方法。
- ビットマップにより差分チャネル品質インジケータ測定情報を報告する工程と、各連続的な報告におけるビットマップは共通のビット数を有することと、を含む請求項1に記載の方法。
- チャネル品質インジケータが測定されるチャネルの複数の周波数帯域を識別する情報を、測定より前に受信する工程を含む請求項1に記載の方法。
- 対応するチャネルの以前に報告されたチャネル品質インジケータ測定情報に差分チャネル品質インジケータ測定情報を基づかせる工程を含む請求項1に記載の方法。
- 1つ以上のサブキャリアを各々含む複数の周波数帯域へと分割される複数のサブキャリアからなるチャネルにより通信することが可能な送受信機と、
同送受信機と通信可能に接続されており、かつ、複数の周波数帯域のチャネル品質インジケータ測定値を取得するプロセッサと、
同プロセッサはチャネル品質インジケータ測定値に基づきチャネル品質インジケータ測定情報の複数の報告を連続的に生成することと、
各報告は1つ以上の周波数帯域の差分でないチャネル品質インジケータ測定情報を含み、かつ、各報告はチャネル品質インジケータの測定された他の全ての周波数帯域の差分チャネル品質インジケータ測定情報を含むことと、
各連続的な報告は他の報告とは異なる周波数帯域の差分でないチャネル品質インジケータ測定情報を含み、かつ、各連続的な報告はチャネル品質インジケータの測定された他の全ての周波数帯域の差分チャネル品質インジケータ測定情報を含むことと、からなる無線通信端末。 - 各報告は差分でないチャネル品質インジケータ測定情報を有するビットマップを含み、かつ、該報告は各々1つ以上の周波数帯域のチャネル品質インジケータ測定情報を含む請求項11に記載の無線通信端末。
- 報告の有するビットにおいて差分チャネル品質インジケータ情報を報告するために割り当てられるビットは差分でないチャネル品質インジケータ測定情報を報告するために割り当てられるビットより少ないことを含む請求項11に記載の無線通信端末。
- 各連続的な報告のビットマップはほぼ同じビット数である請求項12に記載の無線通信端末。
- 差分チャネル品質インジケータ測定情報は対応するチャネルの以前に報告されたチャネル品質インジケータ測定情報に基づくことを含む請求項11に記載の無線通信端末。
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US11/194,718 US7457588B2 (en) | 2005-08-01 | 2005-08-01 | Channel quality indicator for time, frequency and spatial channel in terrestrial radio access network |
Publications (2)
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JP2007043697A JP2007043697A (ja) | 2007-02-15 |
JP4376877B2 true JP4376877B2 (ja) | 2009-12-02 |
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JP2006204208A Active JP4376877B2 (ja) | 2005-08-01 | 2006-07-27 | 複数のサブキャリアからなるチャネルにより通信可能な無線通信端末及びその方法 |
Country Status (7)
Country | Link |
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US (1) | US7457588B2 (ja) |
EP (1) | EP1750407B1 (ja) |
JP (1) | JP4376877B2 (ja) |
AT (1) | ATE431664T1 (ja) |
DE (1) | DE602006006761D1 (ja) |
PL (1) | PL1750407T3 (ja) |
WO (1) | WO2007015728A1 (ja) |
Cited By (1)
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JPWO2007015305A1 (ja) * | 2005-08-04 | 2009-02-19 | パナソニック株式会社 | 移動局装置 |
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JPWO2007015305A1 (ja) * | 2005-08-04 | 2009-02-19 | パナソニック株式会社 | 移動局装置 |
JP4703651B2 (ja) * | 2005-08-04 | 2011-06-15 | パナソニック株式会社 | 移動局装置、基地局装置、及び通信方法 |
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EP1750407A1 (en) | 2007-02-07 |
DE602006006761D1 (de) | 2009-06-25 |
PL1750407T3 (pl) | 2009-07-31 |
WO2007015728A1 (en) | 2007-02-08 |
ATE431664T1 (de) | 2009-05-15 |
EP1750407B1 (en) | 2009-05-13 |
US20070026808A1 (en) | 2007-02-01 |
JP2007043697A (ja) | 2007-02-15 |
US7457588B2 (en) | 2008-11-25 |
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