JP5401580B2 - 隣接セル測定のための基準信号構造の情報 - Google Patents
隣接セル測定のための基準信号構造の情報 Download PDFInfo
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- JP5401580B2 JP5401580B2 JP2012088748A JP2012088748A JP5401580B2 JP 5401580 B2 JP5401580 B2 JP 5401580B2 JP 2012088748 A JP2012088748 A JP 2012088748A JP 2012088748 A JP2012088748 A JP 2012088748A JP 5401580 B2 JP5401580 B2 JP 5401580B2
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- 238000005259 measurement Methods 0.000 title claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 21
- 238000010586 diagram Methods 0.000 description 8
- 230000001413 cellular effect Effects 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 230000001427 coherent effect Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
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- 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
- H04L25/0204—Channel estimation of multiple channels
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- 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
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference 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
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- 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
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/30—Resource management for broadcast services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
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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
- H04W88/08—Access point devices
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
Description
・第1の物理構造を有する第1の基準信号をブロードキャストする(S1)。記載されている状況は、第1のセルはMBSFN領域に含まれず、第1の基準信号構造は通常のサブフレームの構造である一例である。
DL ダウンリンク
UL アップリンク
UE ユーザ装置(LTEシステムにおける移動端末の名称)
MBSFN マルチブロードキャスト(複数セルにおける同一情報の同期ブロードキャスト)に対して使用される3GPP特有の用語。幾つかの文献において、単一周波数ネットワーク(SFN)とも称される。
Claims (10)
- アップリンク送信及びダウンリンク送信それぞれのサブフレームに対する第1のTDD割当てに従った時分割複信(TDD)が適用される第1のセル内でブロードキャストする方法であって、
ダウンリンクサブフレーム内の所定のシンボルにより搬送される第1の基準信号をブロードキャストするステップと、
アップリンク送信及びダウンリンク送信それぞれのサブフレームに対する第2のTDD割当てを示す情報をブロードキャストするステップであって、ダウンリンクサブフレームは端末による隣接セル測定の実行に使用される第2の基準信号を搬送する、前記ステップと、
を含むことを特徴とする方法。 - 前記第2のTDD割当てを示す前記情報は、前記隣接セル測定に何れのサブフレームを使用するかを示す情報を含むことを特徴とする請求項1に記載の方法。
- 前記第2のTDD割当てを示す前記情報は、隣接セル測定に各サブフレームの何れのシンボルを使用するかを示す情報を含むことを特徴とする請求項1または2に記載の方法。
- 基準信号を搬送するシンボルは、サブキャリアの1以上の組および各サブフレーム内のOFDMシンボルのシーケンス内の所定の1以上のOFDMシンボルに割り当てられることを特徴とする請求項3に記載の方法。
- 前記隣接セル測定に使用される前記サブフレームは、全ての隣接セルによりダウンリンク送信に使用されるサブフレームであることを特徴とする請求項2に記載の方法。
- 各サブフレーム内の基準信号を搬送するための全ての隣接セルにより使用されるシンボルのみが基準信号測定を目的として通知されることを特徴とする請求項3に記載の方法。
- 前記第2のTDD割当ては、サブフレーム分類により示されることを特徴とする請求項1に記載の方法。
- 前記第1および第2の基準信号は、それらがブロードキャストされるセルに特有であることを特徴とする請求項1に記載の方法。
- 前記シンボルはOFDMシンボルであることを特徴とする請求項1乃至8の何れか一項に記載の方法。
- 請求項1に記載の方法を実行するのに適した無線基地局。
Applications Claiming Priority (2)
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SE0700900-4 | 2007-04-11 | ||
SE0700900 | 2007-04-11 |
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JP2010502973A Division JP4972705B2 (ja) | 2007-04-11 | 2008-04-03 | 隣接セル測定のための基準信号構造の情報 |
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JP2012165436A JP2012165436A (ja) | 2012-08-30 |
JP5401580B2 true JP5401580B2 (ja) | 2014-01-29 |
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JP2010502973A Active JP4972705B2 (ja) | 2007-04-11 | 2008-04-03 | 隣接セル測定のための基準信号構造の情報 |
JP2012088748A Active JP5401580B2 (ja) | 2007-04-11 | 2012-04-09 | 隣接セル測定のための基準信号構造の情報 |
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Country Status (12)
Country | Link |
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US (6) | US8351319B2 (ja) |
EP (2) | EP3823318A1 (ja) |
JP (2) | JP4972705B2 (ja) |
CN (2) | CN101682881B (ja) |
CA (3) | CA2683476C (ja) |
ES (1) | ES2845903T3 (ja) |
HU (1) | HUE054175T2 (ja) |
MX (1) | MX2009010915A (ja) |
MY (1) | MY153213A (ja) |
NZ (1) | NZ580305A (ja) |
PL (1) | PL2135473T3 (ja) |
WO (1) | WO2008127185A1 (ja) |
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