JP5732936B2 - 送信局、受信局、通信システムおよびギャップ割当方法 - Google Patents
送信局、受信局、通信システムおよびギャップ割当方法 Download PDFInfo
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- JP5732936B2 JP5732936B2 JP2011057287A JP2011057287A JP5732936B2 JP 5732936 B2 JP5732936 B2 JP 5732936B2 JP 2011057287 A JP2011057287 A JP 2011057287A JP 2011057287 A JP2011057287 A JP 2011057287A JP 5732936 B2 JP5732936 B2 JP 5732936B2
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- 238000000034 method Methods 0.000 title claims description 51
- 238000004891 communication Methods 0.000 title claims description 39
- 230000005540 biological transmission Effects 0.000 claims description 40
- 239000000969 carrier Substances 0.000 claims description 18
- 238000010586 diagram Methods 0.000 description 38
- 238000005259 measurement Methods 0.000 description 33
- 238000012545 processing Methods 0.000 description 27
- 239000013256 coordination polymer Substances 0.000 description 4
- 238000012937 correction Methods 0.000 description 4
- 239000000284 extract Substances 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
-
- 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
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
-
- 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
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Description
11 データ送信部
12 データ受信部
13、13a、13b GAP割当制御部
50 移動機
51 データ受信部
52 データ送信部
53 受信品質測定部
131 受信品質取得部
132、132a、132b GAP割当部
133 GAP記憶部
Claims (5)
- 周波数帯が異なる複数の無線キャリアを用いて自装置とデータの送受信を行う受信局から報告される各前記無線キャリアの受信品質を取得し、
前記データの送信の停止期間であるギャップを各前記無線キャリアに割り当てる場合に、取得した各前記無線キャリアの受信品質が悪いほど、より多くの前記ギャップを当該無線キャリアに割り当てるプロセッサ
を備え、
前記プロセッサは、前記取得した各前記無線キャリアの受信品質に応じて1つの前記ギャップにおいて前記受信局に測定させる周波数の数を前記無線キャリアごとに設定し、設定した前記無線キャリアごとの周波数の数を用いて、所定時間において各前記無線キャリアに割り当てる前記ギャップの周期または時間幅を決定することを特徴とする送信局。 - 前記プロセッサは、前記受信局から報告されるSINR(Signal power to Interference and Noise power Ratio)、RSRQ(Reference Signal Received Quality)、CQI(Channel Quality Indicator)およびチャネル容量のうち少なくともいずれか一つを各前記無線キャリアの受信品質として取得することを特徴とする請求項1に記載の送信局。
- 周波数帯が異なる複数の無線キャリア各々についての受信品質を、複数の前記無線キャリアを用いて自装置とデータの送受信を行う送信局に送信するRF部と、
前記送信局が、周波数帯が異なる複数の無線キャリアを用いて自装置とデータの送受信を行う受信局から報告される各前記無線キャリアの受信品質を取得し、前記データの送信の停止期間であるギャップを各前記無線キャリアに割り当てる場合に、各前記無線キャリアの受信品質が悪いほど、より多くの前記ギャップを当該無線キャリアに割り当て、かつ、前記取得した各前記無線キャリアの受信品質に応じて1つの前記ギャップにおいて受信局に測定させる周波数の数を前記無線キャリアごとに設定し、設定した前記無線キャリアごとの周波数の数を用いて、所定時間において各前記無線キャリアに割り当てる前記ギャップの周期または時間幅を決定する状況において、前記送信局により各前記無線キャリアに割り当てられた前記ギャップを各前記無線キャリアに設定するプロセッサと
を備えたことを特徴とする受信局。 - 周波数帯が異なる複数の無線キャリアを用いて送信局と受信局とがデータの送受信を行う通信システムであって、
前記送信局は、
前記受信局から報告される各前記無線キャリアの受信品質を取得し、
前記データの送信の停止期間であるギャップを各前記無線キャリアに割り当てる場合に、取得した各前記無線キャリアの受信品質が悪いほど、より多くの前記ギャップを当該無線キャリアに割り当てる第1のプロセッサと
を備え、
前記受信局は、
複数の前記無線キャリア各々についての受信品質を、複数の前記無線キャリアを用いて前記送信局に送信するRF部と、
前記送信局により各前記無線キャリアに割り当てられた前記ギャップを各前記無線キャリアに設定する第2のプロセッサと
を備え、
前記第1のプロセッサは、前記取得した各前記無線キャリアの受信品質に応じて1つの前記ギャップにおいて前記受信局に測定させる周波数の数を前記無線キャリアごとに設定し、設定した前記無線キャリアごとの周波数の数を用いて、所定時間において各前記無線キャリアに割り当てる前記ギャップの周期または時間幅を決定することを特徴とする通信システム。 - 周波数帯が異なる複数の無線キャリアを用いて受信局とデータの送受信を行う送信局によるギャップ割当方法であって、
前記受信局から報告される各前記無線キャリアの受信品質を取得し、
前記データの送信の停止期間であるギャップを各前記無線キャリアに割り当てる場合に、取得された各前記無線キャリアの受信品質が悪いほど、より多くの前記ギャップを当該無線キャリアに割り当てる
ことを含み、
前記ギャップを当該無線キャリアに割り当てる処理は、
前記取得された各前記無線キャリアの受信品質に応じて1つの前記ギャップにおいて前記受信局に測定させる周波数の数を前記無線キャリアごとに設定し、設定した前記無線キャリアごとの周波数の数を用いて、所定時間において各前記無線キャリアに割り当てる前記ギャップの周期または時間幅を決定することを特徴とするギャップ割当方法。
Priority Applications (2)
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JP2011057287A JP5732936B2 (ja) | 2011-03-15 | 2011-03-15 | 送信局、受信局、通信システムおよびギャップ割当方法 |
US13/413,885 US9072111B2 (en) | 2011-03-15 | 2012-03-07 | Transmission station, receiving station, wireless communication system, and wireless communication method |
Applications Claiming Priority (1)
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JP2011057287A JP5732936B2 (ja) | 2011-03-15 | 2011-03-15 | 送信局、受信局、通信システムおよびギャップ割当方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012195708A JP2012195708A (ja) | 2012-10-11 |
JP5732936B2 true JP5732936B2 (ja) | 2015-06-10 |
Family
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JP2011057287A Expired - Fee Related JP5732936B2 (ja) | 2011-03-15 | 2011-03-15 | 送信局、受信局、通信システムおよびギャップ割当方法 |
Country Status (2)
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US (1) | US9072111B2 (ja) |
JP (1) | JP5732936B2 (ja) |
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2011
- 2011-03-15 JP JP2011057287A patent/JP5732936B2/ja not_active Expired - Fee Related
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2012
- 2012-03-07 US US13/413,885 patent/US9072111B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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US20120236832A1 (en) | 2012-09-20 |
JP2012195708A (ja) | 2012-10-11 |
US9072111B2 (en) | 2015-06-30 |
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