JP4805671B2 - 無線ローカルエリアネットワーク内でハンドオーバ情報をブロードキャストする方法およびシステム - Google Patents
無線ローカルエリアネットワーク内でハンドオーバ情報をブロードキャストする方法およびシステム Download PDFInfo
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- JP4805671B2 JP4805671B2 JP2005500321A JP2005500321A JP4805671B2 JP 4805671 B2 JP4805671 B2 JP 4805671B2 JP 2005500321 A JP2005500321 A JP 2005500321A JP 2005500321 A JP2005500321 A JP 2005500321A JP 4805671 B2 JP4805671 B2 JP 4805671B2
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000005516 engineering process Methods 0.000 claims description 26
- 238000004891 communication Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 5
- 238000013459 approach Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 101100076938 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) mia-40 gene Proteins 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Classifications
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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
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
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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
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0016—Hand-off preparation specially adapted for end-to-end data sessions
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/40—Connection management for selective distribution or broadcast
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- 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]
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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)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
- Small-Scale Networks (AREA)
Description
PLMN 公衆陸上移動網
GSM Global System for Mobile Communications
UMTS ユニバーサル移動体通信システム
GPRS 汎用パケット無線サービス
IMS IP Multimedia System
WLAN 無線ローカルエリアネットワーク
CDMA 符号分割多元接続
UE ユーザの設備
WTRU 無線送信/受信ユニット
Claims (9)
- 無線ローカルエリアネットワーク(WLAN)から、該WLANのサービスエリアと少なくとも部分的に重なる地理的サービスエリアを有する利用可能な代替システムへWTRUをハンドオーバする方法であって、
ビーコンフレームに含めてブロードキャストされるハンドオーバ情報であって、前記代替無線通信システムへの無線接続を確立するために必要なセル情報を含むハンドオーバ情報を受信するステップと、
前記ビーコンフレーム内の前記ハンドオーバ情報を読み取ることによって、どの代替システムが利用可能かを判断するステップと、
利用可能な代替システムに関するセル情報を前記ビーコンフレーム内の前記ハンドオーバ情報から検索するステップと、
前記ユーザにとって関心のある利用可能なシステムを選択するステップと、
前記選択されたシステムについてサービスエリアおよびサービスの質を測定するステップと、
前記測定が十分である場合に、前記選択された利用可能なシステムへ前記ユーザをハンドオーバを行い、前記選択された無線通信システムからの前記セル情報を取得するための追加的な探索を実行することなく、前記ビーコンフレーム内の前記セル情報を使用して前記選択された無線通信システムへの接続を確立するステップとを含むことを特徴とする方法。 - 前記ユーザにとって関心のある利用可能なシステムを選択する前記ステップは、利用可能なシステムを前記ユーザにとって関心のあるシステムと比較するステップをさらに含むことを特徴とする請求項1に記載の方法。
- 前記ハンドオーバ情報は、ネットワークのタイプに関する情報を含むことを特徴とする請求項1に記載の方法。
- 前記ハンドオーバ情報は、ネットワークIDに関する情報を含むことを特徴とする請求項1に記載の方法。
- 前記ハンドオーバ情報は、前記アクセスポイントによってサービスを提供される前記セルの周囲のセル用のセル情報を含むことを特徴とする請求項1に記載の方法。
- 前記ハンドオーバ情報は、利用可能な代替システムによって提供されるサービスのタイプに関する情報を含むことを特徴とする請求項1に記載の方法。
- 前記利用可能な代替技術の少なくとも1つは公衆陸上移動網(PLMN)であることを特徴とする請求項1に記載の方法。
- 前記利用可能な代替技術の少なくとも1つは別の無線ローカルエリアネットワークであることを特徴とする請求項1に記載の方法。
- 前記無線ローカルエリアネットワークは802.11bネットワークであることを特徴とする請求項1に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US41572702P | 2002-10-01 | 2002-10-01 | |
US60/415,727 | 2002-10-01 | ||
US10/600,403 US6950655B2 (en) | 2002-10-01 | 2003-06-20 | Method and system wherein handover information is broadcast in wireless local area networks |
US10/600,403 | 2003-06-20 | ||
PCT/US2003/030481 WO2004032539A1 (en) | 2002-10-01 | 2003-09-26 | Method and system wherein handover information is broadcast in wireless local area networks |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009112824A Division JP4854760B2 (ja) | 2002-10-01 | 2009-05-07 | 無線ローカルエリアネットワーク内でハンドオーバ情報をブロードキャストする方法およびシステム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006501785A JP2006501785A (ja) | 2006-01-12 |
JP4805671B2 true JP4805671B2 (ja) | 2011-11-02 |
Family
ID=32033773
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005500321A Expired - Fee Related JP4805671B2 (ja) | 2002-10-01 | 2003-09-26 | 無線ローカルエリアネットワーク内でハンドオーバ情報をブロードキャストする方法およびシステム |
JP2009112824A Expired - Fee Related JP4854760B2 (ja) | 2002-10-01 | 2009-05-07 | 無線ローカルエリアネットワーク内でハンドオーバ情報をブロードキャストする方法およびシステム |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009112824A Expired - Fee Related JP4854760B2 (ja) | 2002-10-01 | 2009-05-07 | 無線ローカルエリアネットワーク内でハンドオーバ情報をブロードキャストする方法およびシステム |
Country Status (13)
Country | Link |
---|---|
US (2) | US6950655B2 (ja) |
EP (1) | EP1550325B1 (ja) |
JP (2) | JP4805671B2 (ja) |
KR (5) | KR100798716B1 (ja) |
CN (1) | CN100362870C (ja) |
AT (1) | ATE391399T1 (ja) |
AU (1) | AU2003278997A1 (ja) |
CA (1) | CA2500658A1 (ja) |
DE (1) | DE60320123T2 (ja) |
MX (1) | MXPA05003542A (ja) |
NO (1) | NO20051999L (ja) |
TW (3) | TWI260178B (ja) |
WO (1) | WO2004032539A1 (ja) |
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