JP4601625B2 - タイムスロットリソース管理による基地局の干渉制御 - Google Patents
タイムスロットリソース管理による基地局の干渉制御 Download PDFInfo
- Publication number
- JP4601625B2 JP4601625B2 JP2006545491A JP2006545491A JP4601625B2 JP 4601625 B2 JP4601625 B2 JP 4601625B2 JP 2006545491 A JP2006545491 A JP 2006545491A JP 2006545491 A JP2006545491 A JP 2006545491A JP 4601625 B2 JP4601625 B2 JP 4601625B2
- Authority
- JP
- Japan
- Prior art keywords
- interference
- base station
- time slot
- personal base
- pbs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
- H04W52/244—Interferences in heterogeneous networks, e.g. among macro and femto or pico cells or other sector / system interference [OSI]
-
- 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
- H04W16/14—Spectrum sharing arrangements between different networks
- H04W16/16—Spectrum sharing arrangements between different networks for PBS [Private Base Station] arrangements
-
- 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
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/10—Dynamic resource partitioning
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
- H04W84/045—Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/105—PBS [Private Base Station] network
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Description
Claims (7)
- インターネットに接続され、小無線領域を確立する個人基地局であって、
隣接する個人基地局の移動に応じて前記隣接する個人基地局との間のアクティブな干渉があるタイムスロットのリストを編集する長期用データベースと、
前記隣接する個人基地局が提供する移動局サービスにリアルタイムで応じて前記隣接する個人基地局との間のアクティブな干渉があるタイムスロットのリストを編集する短期用データベースと、
前記短期用データベースおよび長期用データベースの内容に基づくタイムスロット管理機構により、前記隣接する個人基地局との干渉を制御する手段と
を備え、
前記干渉を制御する手段は、前記短期用データベースまたは長期用データベースの内容が変化した場合に、
移動局サービス要求に対して干渉のないタイムスロットを選択することにより、タイムスロットを追加および削除し、
干渉しているタイムスロットの電力を減少させ、干渉していないタイムスロットの電力を増加させることにより、タイムスロット電力を管理し、
タイムスロット周波数ドリフトに関する干渉を避けるべく、前記隣接する個人基地局との間でタイムスロットを同期する
ことにより、前記隣接する個人基地局との干渉を制御し、
前記個人基地局は、前記個人基地局が移動局モードで動作している場合に、前記短期用データベースおよび前記長期用データベースの少なくとも一方を更新する
個人基地局。 - 前記個人基地局は、
前記個人基地局が前記移動局モードで動作している間に、1以上のタイムスロットにおいて干渉する前記隣接する個人基地局を検出して、報知チャネル(BCCH)から得られた情報を用いて前記長期用データベースを更新し、前記隣接する個人基地局によって提供される移動局サービスによって生じる干渉を前記短期用データベースに記録し、
干渉が検出された信号が別のタイムスロットにおいて検出されるようフレーミングを再調整する
請求項1に記載の個人基地局。 - 前記干渉を制御する手段は、移動局サービス要求に対し干渉のないタイムスロットを選択する
請求項1または2に記載の個人基地局。 - 前記干渉を制御する手段は、干渉があるタイムスロットでの電力を低減するとともに干渉のないタイムスロットでの電力を増加する
請求項1から3のいずれかに記載の個人基地局。 - 前記干渉を制御する手段は、隣接する報知チャネルとの干渉を避けるように報知チャネルをオフセットする
請求項1から4のいずれかに記載の個人基地局。 - 前記干渉を制御する手段は、タイムスロット周波数ドリフトに関する干渉を避けるために、前記隣接する個人基地局とTDMAタイムスロットを同期させる
請求項1から5のいずれかに記載の個人基地局。 - 前記長期用データベースおよび前記短期用データベースは、それぞれ前記隣接する個人基地局との間で干渉しているBCCHタイムスロットおよびTCHタイムスロットを記録する
請求項1から6のいずれかに記載の個人基地局。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US53141903P | 2003-12-19 | 2003-12-19 | |
PCT/US2004/042509 WO2005062798A2 (en) | 2003-12-19 | 2004-12-17 | Base station interference control using timeslot resource management |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007529915A JP2007529915A (ja) | 2007-10-25 |
JP4601625B2 true JP4601625B2 (ja) | 2010-12-22 |
Family
ID=34738649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006545491A Expired - Fee Related JP4601625B2 (ja) | 2003-12-19 | 2004-12-17 | タイムスロットリソース管理による基地局の干渉制御 |
Country Status (6)
Country | Link |
---|---|
JP (1) | JP4601625B2 (ja) |
KR (1) | KR100860153B1 (ja) |
CN (1) | CN1989775B (ja) |
DE (1) | DE112004002488B4 (ja) |
GB (1) | GB2423897B (ja) |
WO (1) | WO2005062798A2 (ja) |
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2004
- 2004-12-17 JP JP2006545491A patent/JP4601625B2/ja not_active Expired - Fee Related
- 2004-12-17 DE DE112004002488.9T patent/DE112004002488B4/de not_active Expired - Fee Related
- 2004-12-17 GB GB0610523A patent/GB2423897B/en not_active Expired - Fee Related
- 2004-12-17 KR KR1020067011942A patent/KR100860153B1/ko not_active IP Right Cessation
- 2004-12-17 CN CN2004800418892A patent/CN1989775B/zh not_active Expired - Fee Related
- 2004-12-17 WO PCT/US2004/042509 patent/WO2005062798A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
GB0610523D0 (en) | 2006-07-05 |
JP2007529915A (ja) | 2007-10-25 |
KR20060129219A (ko) | 2006-12-15 |
CN1989775B (zh) | 2012-08-29 |
DE112004002488T5 (de) | 2006-11-30 |
WO2005062798A3 (en) | 2006-09-14 |
CN1989775A (zh) | 2007-06-27 |
GB2423897A (en) | 2006-09-06 |
KR100860153B1 (ko) | 2008-09-24 |
DE112004002488B4 (de) | 2016-08-04 |
GB2423897B (en) | 2009-04-22 |
WO2005062798A2 (en) | 2005-07-14 |
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