JP5031852B2 - マルチキャリア通信システム内における資源割当てのための方法 - Google Patents
マルチキャリア通信システム内における資源割当てのための方法 Download PDFInfo
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- JP5031852B2 JP5031852B2 JP2009551898A JP2009551898A JP5031852B2 JP 5031852 B2 JP5031852 B2 JP 5031852B2 JP 2009551898 A JP2009551898 A JP 2009551898A JP 2009551898 A JP2009551898 A JP 2009551898A JP 5031852 B2 JP5031852 B2 JP 5031852B2
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- 238000004891 communication Methods 0.000 title claims description 94
- 238000000034 method Methods 0.000 title claims description 45
- 238000013468 resource allocation Methods 0.000 title description 45
- 230000005540 biological transmission Effects 0.000 claims description 199
- 230000008901 benefit Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000007480 spreading Effects 0.000 description 5
- 125000004122 cyclic group Chemical group 0.000 description 4
- 238000013507 mapping Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000010267 cellular communication Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
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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) or DMT
-
- 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
- H04L5/0037—Inter-user or inter-terminal allocation
- H04L5/0039—Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another
-
- 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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- 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
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2615—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using hybrid frequency-time division multiple access [FDMA-TDMA]
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Description
本発明について、具体的に示し、特定の実施形態を参照して述べたが、当業者は、形式及び細目の様々な変更を、本発明の精神及び範囲から逸脱することなくそれらに対して行い得ることを理解されたい。そのような変更は、添付の請求項の範囲内にあるものとする。
Claims (12)
- 通信ユニットによる通信のために、前記通信ユニットに資源を割り当てる方法であって、
前記通信ユニットから第1送信を受信する段階であって、前記第1送信はデータを含み、かつ通信チャネル帯域幅の第1部分のみを占有する、前記第1送信を受信する段階と、
前記受信した第1送信に基づき第1組の時間周波数資源候補のチャネル品質を推定する段階と、
前記通信ユニットから第2送信を受信する段階であって、前記第2送信は、データを含み、かつ前記通信チャネル帯域幅の第2部分のみを占有する、前記第2送信を受信する段階と、
前記受信した第2送信に基づき第2組の時間周波数資源候補のチャネル品質を推定する段階と、
前記通信ユニットに、より高い推定チャネル品質を有する前記第1及び前記第2組の時間周波数資源候補の内の一つを割り当てる段階と、
少なくとも前記通信ユニットによるデータ送信のために、前記通信ユニットに前記通信ユニットへの追加の組の時間周波数資源を割り当てる段階と
を備え、前記割り当てられた追加の組の時間周波数資源は、より高い推定チャネル品質を有する前記第1及び前記第2組の時間周波数資源候補の内の一つと等しくない、方法。 - 請求項1に記載の方法であって、前記第1及び前記第2組の時間周波数資源候補は、前記通信チャネル帯域幅の異なる部分内に存在する、前記方法。
- 通信ユニットによる通信のために、前記通信ユニットに資源を割り当てる方法であって、
前記通信ユニットから第1送信を受信する段階であって、前記第1送信はデータを含み、かつ通信チャネル帯域幅の第1部分のみを占有する、前記第1送信を受信する段階と、
前記受信した第1送信に基づき第1組の時間周波数資源候補のチャネル品質を推定する段階と、
前記通信ユニットから第2送信を受信する段階であって、前記第2送信は、データを含み、かつ前記通信チャネル帯域幅の第2部分のみを占有する、前記第2送信を受信する段階と、
前記受信した第2送信に基づき第2組の時間周波数資源候補のチャネル品質を推定する段階と、
前記通信ユニットに、より高い推定チャネル品質を有する前記第1及び前記第2組の時間周波数資源候補の内の一つを割り当てる段階と、
少なくとも前記通信ユニットによるデータ送信のために、前記通信ユニットに前記通信ユニットへの追加の組の時間周波数資源を割り当てる段階と
を備え、前記第1送信は、タイムスロット(k)において受信され、前記第2送信は、タイムスロット(k±1)において受信される、前記方法。 - 請求項1に記載の方法であって、前記第1及び第2送信は、時間的に重なり合うが、周波数的に重なり合わない、前記方法。
- 請求項1に記載の方法であって、前記第1送信は、時間的には複数のシンボル期間にわたり、周波数的には複数の副搬送波にわたり、かつ前記通信ユニットへの以前の割当てに基づく、前記方法。
- 請求項1に記載の方法であって、前記第1送信は、パイロットを更に含み、前記第1チャネル品質を推定する前記段階は、前記第1送信に含まれる前記データ又はパイロットの内の少なくとも1つに基づく、前記方法。
- 請求項3に記載の方法であって、前記割り当てられた追加の組の時間周波数資源は、より高い推定チャネル品質を有する前記第1及び前記第2組の時間周波数資源候補の内の一つと等しくない、前記方法。
- 請求項3に記載の方法であって、前記第1及び前記第2組の時間周波数資源候補は、前記通信チャネル帯域幅の異なる部分内に存在する、前記方法。
- 請求項1に記載の方法であって、前記第1送信は、タイムスロット(k)において受信され、前記第2送信は、タイムスロット(k±1)において受信される、前記方法。
- 請求項3に記載の方法であって、前記第1及び第2送信は、時間的に重なり合うが、周波数的に重なり合わない、前記方法。
- 請求項3に記載の方法であって、前記第1送信は、時間的には複数のシンボル期間にわたり、周波数的には複数の副搬送波にわたり、かつ前記通信ユニットへの以前の割当てに基づく、前記方法。
- 請求項3に記載の方法であって、前記第1送信は、パイロットを更に含み、前記第1チャネル品質を推定する前記段階は、前記第1送信に含まれる前記データ又はパイロットの内の少なくとも1つに基づく、前記方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/688,486 | 2007-03-20 | ||
| US11/688,486 US8553594B2 (en) | 2007-03-20 | 2007-03-20 | Method and apparatus for resource allocation within a multi-carrier communication system |
| PCT/US2008/055985 WO2008115699A1 (en) | 2007-03-20 | 2008-03-06 | Method and apparatus for resource allocation within a multi-carrier communication system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010519873A JP2010519873A (ja) | 2010-06-03 |
| JP5031852B2 true JP5031852B2 (ja) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009551898A Active JP5031852B2 (ja) | 2007-03-20 | 2008-03-06 | マルチキャリア通信システム内における資源割当てのための方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8553594B2 (ja) |
| EP (1) | EP2137841B1 (ja) |
| JP (1) | JP5031852B2 (ja) |
| CN (1) | CN101641885B (ja) |
| WO (1) | WO2008115699A1 (ja) |
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| US10362574B2 (en) * | 2016-11-18 | 2019-07-23 | Qualcomm Incorporated | Uplink resource allocation techniques for shared radio frequency spectrum |
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| US7688708B2 (en) * | 2006-03-24 | 2010-03-30 | Alcatel-Lucent Usa Inc. | Method of OFDMA tone interference cancellation |
| US8270424B2 (en) * | 2006-11-01 | 2012-09-18 | Alcatel Lucent | Method of signaling allocated resources |
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| EP2137841A1 (en) | 2009-12-30 |
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| EP2137841A4 (en) | 2016-01-06 |
| JP2010519873A (ja) | 2010-06-03 |
| US8553594B2 (en) | 2013-10-08 |
| CN101641885A (zh) | 2010-02-03 |
| CN101641885B (zh) | 2014-04-02 |
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