JP2007534222A - システム間ハンドオーバを円滑にする方法およびシステム - Google Patents
システム間ハンドオーバを円滑にする方法およびシステム Download PDFInfo
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- JP2007534222A JP2007534222A JP2006539890A JP2006539890A JP2007534222A JP 2007534222 A JP2007534222 A JP 2007534222A JP 2006539890 A JP2006539890 A JP 2006539890A JP 2006539890 A JP2006539890 A JP 2006539890A JP 2007534222 A JP2007534222 A JP 2007534222A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000004891 communication Methods 0.000 claims abstract description 35
- 238000005259 measurement Methods 0.000 claims description 7
- 238000000053 physical method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
-
- 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
- H04W84/12—WLAN [Wireless Local Area Networks]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
- H04W36/144—Reselecting a network or an air interface over a different radio air interface technology
- H04W36/1446—Reselecting a network or an air interface over a different radio air interface technology wherein at least one of the networks is unlicensed
-
- 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
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Abstract
Description
Claims (14)
- 異なるワイヤレス通信プロトコルを用いて、2つのワイヤレス通信システム内で通信することが可能なマルチモードワイヤレス送受信ユニット(WTRU)によるシステム間ハンドオーバを円滑にする方法であって、一方のワイヤレス通信システムは、他方のワイヤレス通信システムのカバーエリア内でホットスポットを提供し、
セル内の基地局によって、前記セルの付近に配置されたホットスポットの存在をWTRUに知らせるためのメッセージを生成するステップと、
前記メッセージを、前記基地局から前記WTRUに送信するステップと、
前記メッセージを前記WTRUで受信し、前記セルの付近にある前記ホットスポットの存在を認識するステップと
を具えたことを特徴とする方法。 - 前記ホットスポットから送信されたメッセージに対して物理測定を実施するステップと、
前記測定の結果が、所定の基準を満たすかどうか判定するステップと、
前記所定の基準が満たされる場合、前記ホットスポットへの接続を確立するステップと
をさらに具え、
前記実施し、判定し、確立するステップは、前記WTRUで実施されることを特徴とする請求項1記載の方法。 - 前記送信するステップは、ブロードキャストチャネルを介して前記メッセージを送信するステップを含むことを特徴とする請求項1記載の方法。
- 前記送信するステップは、前記WTRUに専用の専用チャネルを介して前記メッセージを送信するステップを含むことを特徴とする請求項1記載の方法。
- 前記送信するステップは、前記セルに配置されたWTRUのサブセットに前記メッセージを送信するステップを含むことを特徴とする請求項1記載の方法。
- 前記メッセージは、隣接セルリスト中に含まれることを特徴とする請求項1記載の方法。
- 前記メッセージは、前記ホットスポットの場所、識別、周波数帯域、およびセキュリティレベルの少なくとも1つを含むことを特徴とする請求項1記載の方法。
- 2通りのワイヤレス通信プロトコルを用いて、2つのワイヤレス通信システムの間のシステム間ハンドオーバを円滑にするシステムであって、
第1のワイヤレス通信システムおよび第2のワイヤレス通信システム両方と通信するように構成されたワイヤレス送受信ユニット(WTRU)と、
前記第2のワイヤレス通信システムのカバーエリア内でホットスポットを提供する前記第1のワイヤレス通信システムと、
複数のセルを備える前記第2のワイヤレス通信システムと
を具え、
前記複数のセルそれぞれの基地局は、前記セルの付近に配置された前記ホットスポットの存在を前記WTRUに知らせるためのメッセージを生成し送信する手段を具えたことを特徴とするシステム。 - 前記WTRUは、前記ホットスポットから送信されたメッセージに対する測定を実施する手段をさらに具え、
前記WTRUは、前記手段によって、前記測定の結果が予め定義された基準を満たす場合、前記ホットスポットへの接続を確立することを特徴とする請求項8記載のシステム。 - 前記メッセージは、ブロードキャストチャネルを介して送信されることを特徴とする請求項8記載のシステム。
- 前記メッセージは、前記WTRUに専用の専用チャネルを介して送信されることを特徴とする請求項8記載のシステム。
- 前記メッセージは、前記セルに配置されたWTRUのサブセットに送信されることを特徴とする請求項8記載のシステム。
- 前記メッセージは、隣接セルリスト中に含まれることを特徴とする請求項8記載のシステム。
- 前記メッセージは、前記ホットスポットの場所、識別、周波数帯域、およびセキュリティレベルの少なくとも1つを含むことを特徴とする請求項8記載のシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US51976103P | 2003-11-13 | 2003-11-13 | |
PCT/US2004/037774 WO2005050965A1 (en) | 2003-11-13 | 2004-11-12 | Method and system for facilitating inter-system handover |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007534222A true JP2007534222A (ja) | 2007-11-22 |
JP2007534222A5 JP2007534222A5 (ja) | 2008-01-10 |
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Application Number | Title | Priority Date | Filing Date |
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JP2006539890A Pending JP2007534222A (ja) | 2003-11-13 | 2004-11-12 | システム間ハンドオーバを円滑にする方法およびシステム |
Country Status (15)
Country | Link |
---|---|
US (2) | US8548478B2 (ja) |
EP (1) | EP2842301A4 (ja) |
JP (1) | JP2007534222A (ja) |
KR (2) | KR101153672B1 (ja) |
CN (2) | CN1883188A (ja) |
AR (2) | AR046623A1 (ja) |
AU (2) | AU2004311086B2 (ja) |
BR (1) | BRPI0416335A (ja) |
CA (1) | CA2546044A1 (ja) |
GE (2) | GEP20115198B (ja) |
IL (1) | IL175580A0 (ja) |
NO (1) | NO20062738L (ja) |
SG (1) | SG151265A1 (ja) |
TW (4) | TWI441532B (ja) |
WO (1) | WO2005050965A1 (ja) |
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