JP4762977B2 - 直交周波数分割多重化(ofdm)セルラーシステムにおける副搬送波割当方法 - Google Patents
直交周波数分割多重化(ofdm)セルラーシステムにおける副搬送波割当方法 Download PDFInfo
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- JP4762977B2 JP4762977B2 JP2007509396A JP2007509396A JP4762977B2 JP 4762977 B2 JP4762977 B2 JP 4762977B2 JP 2007509396 A JP2007509396 A JP 2007509396A JP 2007509396 A JP2007509396 A JP 2007509396A JP 4762977 B2 JP4762977 B2 JP 4762977B2
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- 238000000034 method Methods 0.000 title claims abstract description 57
- 230000001413 cellular effect Effects 0.000 title description 3
- 238000010295 mobile communication Methods 0.000 claims abstract description 24
- 238000013507 mapping Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 35
- 238000004891 communication Methods 0.000 description 9
- 238000005562 fading Methods 0.000 description 5
- 239000000969 carrier Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002452 interceptive effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 235000008694 Humulus lupulus Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/005—Interference mitigation or co-ordination of intercell interference
- H04J11/0056—Inter-base station aspects
-
- 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
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
-
- 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
- H04L5/0069—Allocation based on distance or geographical location
-
- 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
- H04L5/0073—Allocation arrangements that take into account other cell interferences
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error control
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
-
- 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
-
- 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
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
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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
Claims (5)
- 直交周波数分割多重化(OFDM)を使用して、複数のセルにおいて移動通信システムの複数の副搬送波を割り当てる方法であって、
前記方法は、
各使用者機器への割当のために各セルで必要な副搬送波の総個数を決定することと、
前記決定された副搬送波の総個数に基づいて各セルのための副搬送波グループの個数を決定することであって、前記決定された副搬送波グループの個数は、少なくとも2である、ことと、
少なくとも1つの使用者機器から受信された変調及びコーディング技法(MCS)におけるデータ伝送率に関する情報を含む部分的なフィードバック情報に基づいて、各セルについて前記システムの前記複数の副搬送波を少なくとも2つの副搬送波グループに割り当てることと、
各セルにおいて前記副搬送波グループに優先順位を配定することであって、隣接セルは、前記少なくとも2つの副搬送波グループについて異なる優先順位を有する、ことと、
より高い優先順位を有する副搬送波グループ内に含まれる副搬送波が、対応するセルの境界により近い使用者機器に割り当てられるように、優先順位に従って、各セルの前記少なくとも2つの副搬送波グループの各々の副搬送波を前記少なくとも1つの使用者機器(UE)に独立的に割り当てることと
を含む、方法。 - 前記システムの副搬送波は、無指向性アンテナを使用するときに、各セルについて少なくとも7個の副搬送波グループに割り当てられる、請求項1に記載の方法。
- 前記システムの副搬送波は、60゜または120゜セクターアンテナを使用するときに、複数の副搬送波グループに割り当てられる、請求項1に記載の方法。
- 前記複数のセル内の副搬送波グループは、同一の副搬送波マッピングを有する、請求項1に記載の方法。
- 1つのセルにおける副搬送波グループの個数は、セルの個数以上である、請求項1に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040027804A KR101067772B1 (ko) | 2004-04-22 | 2004-04-22 | 직교 주파수 분할 다중화 방식에 적용되는 부반송파 할당방법 |
KR10-2004-0027804 | 2004-04-22 | ||
PCT/KR2005/001134 WO2005101987A2 (en) | 2004-04-22 | 2005-04-20 | Method of allocating subcarriers in orthogonal frequency division multiplexing (ofdm) cellular system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007534263A JP2007534263A (ja) | 2007-11-22 |
JP4762977B2 true JP4762977B2 (ja) | 2011-08-31 |
Family
ID=35136328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007509396A Expired - Fee Related JP4762977B2 (ja) | 2004-04-22 | 2005-04-20 | 直交周波数分割多重化(ofdm)セルラーシステムにおける副搬送波割当方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20050237989A1 (ja) |
EP (1) | EP1738591B1 (ja) |
JP (1) | JP4762977B2 (ja) |
KR (1) | KR101067772B1 (ja) |
CN (1) | CN101044780B (ja) |
AT (1) | ATE543351T1 (ja) |
WO (1) | WO2005101987A2 (ja) |
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2005
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- 2005-04-20 CN CN2005800118500A patent/CN101044780B/zh not_active Expired - Fee Related
- 2005-04-20 EP EP05739964A patent/EP1738591B1/en not_active Not-in-force
- 2005-04-20 AT AT05739964T patent/ATE543351T1/de active
- 2005-04-20 WO PCT/KR2005/001134 patent/WO2005101987A2/en not_active Application Discontinuation
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Also Published As
Publication number | Publication date |
---|---|
WO2005101987A3 (en) | 2007-05-10 |
JP2007534263A (ja) | 2007-11-22 |
KR101067772B1 (ko) | 2011-09-28 |
ATE543351T1 (de) | 2012-02-15 |
US20050237989A1 (en) | 2005-10-27 |
KR20050102434A (ko) | 2005-10-26 |
CN101044780B (zh) | 2010-05-05 |
EP1738591B1 (en) | 2012-01-25 |
EP1738591A2 (en) | 2007-01-03 |
WO2005101987A2 (en) | 2005-11-03 |
CN101044780A (zh) | 2007-09-26 |
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