JP2001508625A - 移動局に支援された通信間ハードハンドオフを行う方法及び装置 - Google Patents
移動局に支援された通信間ハードハンドオフを行う方法及び装置Info
- Publication number
- JP2001508625A JP2001508625A JP53437398A JP53437398A JP2001508625A JP 2001508625 A JP2001508625 A JP 2001508625A JP 53437398 A JP53437398 A JP 53437398A JP 53437398 A JP53437398 A JP 53437398A JP 2001508625 A JP2001508625 A JP 2001508625A
- Authority
- JP
- Japan
- Prior art keywords
- mobile station
- handoff
- base station
- attempt
- search
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000004891 communication Methods 0.000 title claims abstract description 30
- 238000005259 measurement Methods 0.000 claims description 3
- 238000010845 search algorithm Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 8
- 230000001413 cellular effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- RNAICSBVACLLGM-GNAZCLTHSA-N pilocarpine hydrochloride Chemical compound Cl.C1OC(=O)[C@@H](CC)[C@H]1CC1=CN=CN1C RNAICSBVACLLGM-GNAZCLTHSA-N 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- IRLPACMLTUPBCL-KQYNXXCUSA-N 5'-adenylyl sulfate Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](COP(O)(=O)OS(O)(=O)=O)[C@@H](O)[C@H]1O IRLPACMLTUPBCL-KQYNXXCUSA-N 0.000 description 2
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241000681583 Spiraea douglasii Species 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
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- 238000006243 chemical reaction Methods 0.000 description 1
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- 239000006185 dispersion Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- VJYFKVYYMZPMAB-UHFFFAOYSA-N ethoprophos Chemical compound CCCSP(=O)(OCC)SCCC VJYFKVYYMZPMAB-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
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Classifications
-
- 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
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
- H04W36/0094—Definition of hand-off measurement parameters
-
- 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
- H04W36/0066—Transmission or use of information for re-establishing the radio link of control information between different types of networks in order to establish a new radio link in the target network
-
- 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
- H04W36/0079—Transmission or use of information for re-establishing the radio link in case of hand-off failure or rejection
-
- 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
- H04W36/14—Reselecting a network or an air interface
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.無線通信システムにおいて、移動局がオリジナルシステムの適用範囲から目 的システムの適用範囲に移動している場合、前記目的システムを獲得する第1の 試行が失敗したときに、前記移動局との通信の消滅を避けるための方法であって 、 前記移動局から前記オリジナルシステムに、パラメータデータのセットを送信 するステップと、 前記オリジナルシステムにて、前記パラメータデータを受信するステップと、 前記オリジナルシステムにて、前記パラメータデータに従ってサーチリストを 発生するステップと、 前記移動局により、前記サーチリストに従って前記目的システムを獲得する試 行を行うステップと、 を具備することを特徴とする。 2.前記パラメータデータを前記移動局で測定するステップを更に具備すること を特徴とする請求項1記載の方法。 3.前記前記パラメータデータを測定するステップは、前記目的システムのパイ ロット信号の信号エネルギーを測定するステップを具備することを特徴とする請 求項2記載の方法。 4.前記パラメータデータの測定はサーチパラメータの所定セットに従って実行 されることを特徴とする請求項2記載の方法。 5.前記サーチパラメータのセットは前記オリジナルシステムにより前記移動局 に送信されることを特徴とする請求項4記載の方法。 6.前記サーチリストを前記オリジナルシステムから前記移動局に送信するステ ップを更に具備することを特徴とする請求項1記載の方法。 7.無線通信システムにおいて、移動局がオリジナルシステムの適用範囲から目 的システムの適用範囲に移動しているとき、前記オリジナルシステムから前記目 的システムにハンドオフを提供する方法であって、 前記オリジナルシステムから前記移動局にサーチパラメータデータのセットを 送信するステップと、 前記移動局にて、前記目的システムの利用可能性を前記パラメータのセットに 従って判断するステップと、 前記移動局から前記オリジナルシステムに前記目的システムの利用可能性を示 すメッセージを送信するステップと、 前記オリジナルシステムにて、獲得パラメータのセットを前記移動局からの前 記メッセージに従って発生するステップと、 前記移動局にて、前記目的システムを獲得する試行を、前記獲得パラメータの セットに従って行うステップと、 を具備することを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US784,280 | 1997-01-15 | ||
US08/784,280 US5940761A (en) | 1997-01-15 | 1997-01-15 | Method and apparatus for performing mobile assisted hard handoff between communication systems |
PCT/US1997/023650 WO1998032262A2 (en) | 1997-01-15 | 1997-12-19 | Method and apparatus for performing mobile assisted hard handoff between communication systems |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2001508625A true JP2001508625A (ja) | 2001-06-26 |
JP2001508625A5 JP2001508625A5 (ja) | 2006-01-05 |
JP4234209B2 JP4234209B2 (ja) | 2009-03-04 |
Family
ID=25131948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53437398A Expired - Lifetime JP4234209B2 (ja) | 1997-01-15 | 1997-12-19 | 移動局に支援された通信間ハードハンドオフを行う方法及び装置 |
Country Status (20)
Country | Link |
---|---|
US (3) | US5940761A (ja) |
EP (1) | EP0956679B1 (ja) |
JP (1) | JP4234209B2 (ja) |
KR (1) | KR100560982B1 (ja) |
CN (2) | CN101616464B (ja) |
AT (1) | ATE359635T1 (ja) |
AU (1) | AU742513B2 (ja) |
BR (1) | BR9714321A (ja) |
CA (1) | CA2277772C (ja) |
DE (1) | DE69737606T2 (ja) |
EA (1) | EA001724B1 (ja) |
ES (1) | ES2277365T3 (ja) |
HK (1) | HK1023894A1 (ja) |
IL (4) | IL130734A (ja) |
NZ (1) | NZ336486A (ja) |
TR (1) | TR199901658T2 (ja) |
TW (1) | TW365096B (ja) |
UA (1) | UA45478C2 (ja) |
WO (1) | WO1998032262A2 (ja) |
ZA (1) | ZA9882B (ja) |
Cited By (5)
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JP2003509982A (ja) * | 1999-09-15 | 2003-03-11 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | 無線通信のための周波数間測定及びハンドオーバ |
WO2009084146A1 (ja) * | 2007-12-27 | 2009-07-09 | Panasonic Corporation | 通信システム、端末装置、基地局、通信品質管理方法およびプログラム |
US7715348B2 (en) | 2003-01-16 | 2010-05-11 | Ntt Docomo, Inc. | Radio control device and method of selecting spread code |
JP2015029303A (ja) * | 2007-12-05 | 2015-02-12 | クゥアルコム・インコーポレイテッドQualcomm Incorporated | 通信システムにおけるハンドオーバ失敗手順 |
US10098115B2 (en) | 2014-06-30 | 2018-10-09 | Fujitsu Limited | Mobile communication apparatus and radio communication method |
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