TW392397B - Method and apparatus for performing a handoff between communication systems having different multiple access schemes - Google Patents
Method and apparatus for performing a handoff between communication systems having different multiple access schemes Download PDFInfo
- Publication number
- TW392397B TW392397B TW087105949A TW87105949A TW392397B TW 392397 B TW392397 B TW 392397B TW 087105949 A TW087105949 A TW 087105949A TW 87105949 A TW87105949 A TW 87105949A TW 392397 B TW392397 B TW 392397B
- Authority
- TW
- Taiwan
- Prior art keywords
- signal
- multiple access
- communication system
- access communication
- telephone
- Prior art date
Links
- 238000004891 communication Methods 0.000 title claims abstract description 143
- 238000000034 method Methods 0.000 title claims abstract description 101
- 230000001413 cellular effect Effects 0.000 claims abstract description 10
- 230000002079 cooperative effect Effects 0.000 claims description 8
- 238000004458 analytical method Methods 0.000 claims description 4
- 238000004898 kneading Methods 0.000 claims 2
- 102000040350 B family Human genes 0.000 claims 1
- 108091072128 B family Proteins 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 71
- IRLPACMLTUPBCL-KQYNXXCUSA-N 5'-adenylyl sulfate Chemical group 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 14
- 238000012545 processing Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 8
- 230000010267 cellular communication Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 101100425892 Danio rerio tpma gene Proteins 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 101150048952 TPM-1 gene Proteins 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
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- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US84187997A | 1997-05-05 | 1997-05-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW392397B true TW392397B (en) | 2000-06-01 |
Family
ID=25285928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW087105949A TW392397B (en) | 1997-05-05 | 1998-04-18 | Method and apparatus for performing a handoff between communication systems having different multiple access schemes |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JP3930055B2 (sv) |
| KR (1) | KR100343090B1 (sv) |
| CN (1) | CN1129342C (sv) |
| BR (1) | BR9808711B1 (sv) |
| CA (1) | CA2288713C (sv) |
| DE (1) | DE19819423B4 (sv) |
| FI (1) | FI117420B (sv) |
| FR (1) | FR2763195B1 (sv) |
| GB (1) | GB2339999B (sv) |
| IL (1) | IL132358A0 (sv) |
| SE (1) | SE517614C2 (sv) |
| TW (1) | TW392397B (sv) |
| WO (1) | WO1998050909A1 (sv) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2962411B2 (ja) * | 1998-01-30 | 1999-10-12 | 日本電気株式会社 | 移動電話機 |
| US6591100B1 (en) * | 1998-11-19 | 2003-07-08 | Ericsson Inc. | Cellular communication device with scanning receiver and continuous mobile communication system employing same |
| EP1024676A1 (en) * | 1999-01-31 | 2000-08-02 | TELEFONAKTIEBOLAGET LM ERICSSON (publ) | Communication system, methods of managing a communication system and mobile user equipment |
| FI112583B (sv) | 1999-05-26 | 2003-12-15 | Nokia Corp | Metod för igångsättning av effektnivåmätning av signaler i en terminal av ett cellulärt telekommunikationsystem och terminal |
| EP1081979A1 (en) * | 1999-08-31 | 2001-03-07 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | Subscriber station, network control means and method for carrying out inter-frequency measurements in a mobile communication system |
| US6768908B1 (en) | 2000-04-07 | 2004-07-27 | Motorola, Inc. | Method and apparatus for soft handoff communications in a communication system operating according to IS-95B and IS-95C standards |
| JP4477884B2 (ja) * | 2004-01-14 | 2010-06-09 | パナソニック株式会社 | ネットワーク制御装置、通信端末、通信接続方法、ネットワークへの接続登録方法 |
| KR20050076886A (ko) * | 2004-01-26 | 2005-07-29 | 삼성전자주식회사 | 비동기 시스템에서 주파수간 하드 핸드오버를 지원하기위한 공통채널 비콘 신호 송신 방법 및 장치. |
| DE102004024390B4 (de) * | 2004-05-17 | 2006-03-16 | Siemens Ag | Verfahren zur Verbindungsübergabe |
| GB2420047B (en) * | 2004-08-02 | 2007-09-19 | Nec Technologies | Mobile radio communications device and method of transferring between networks therefor |
| US8670415B2 (en) | 2005-08-05 | 2014-03-11 | Samsung Electronics Co., Ltd. | Apparatus and method for performing handoff in a communication system |
| EP1841142A1 (en) | 2006-03-27 | 2007-10-03 | Matsushita Electric Industries Co., Ltd. | Sleep-state and service initiation for mobile terminal |
| EP3557914B1 (en) | 2011-12-08 | 2024-03-27 | InterDigital Patent Holdings, Inc. | Method and apparatus for a millimeter wave communication system |
| US9883451B2 (en) | 2015-05-14 | 2018-01-30 | Qualcomm Incorporated | Detection techniques for high gain mobile devices |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5101501A (en) * | 1989-11-07 | 1992-03-31 | Qualcomm Incorporated | Method and system for providing a soft handoff in communications in a cdma cellular telephone system |
| US5216744A (en) * | 1991-03-21 | 1993-06-01 | Dictaphone Corporation | Time scale modification of speech signals |
| US5353374A (en) * | 1992-10-19 | 1994-10-04 | Loral Aerospace Corporation | Low bit rate voice transmission for use in a noisy environment |
| GB2282730B (en) * | 1993-10-08 | 1998-01-28 | Nokia Telecommunications Oy | Dual mode subscriber terminal and a handover procedure of the dual mode subscriber terminal in a mobile telecommunication network |
| US5619503A (en) * | 1994-01-11 | 1997-04-08 | Ericsson Inc. | Cellular/satellite communications system with improved frequency re-use |
| US5697055A (en) * | 1994-10-16 | 1997-12-09 | Qualcomm Incorporated | Method and apparatus for handoff between different cellular communications systems |
| US5594718A (en) * | 1995-03-30 | 1997-01-14 | Qualcomm Incorporated | Method and apparatus for providing mobile unit assisted hard handoff from a CDMA communication system to an alternative access communication system |
| US5754542A (en) * | 1995-07-31 | 1998-05-19 | Qualcomm Incorporated | Method and apparatus for system determination in a multi-mode subscriber station |
| US6026301A (en) * | 1996-12-17 | 2000-02-15 | Northern Telecom Limited | Method for hard handoff in a CDMA cellular environment |
| FI107008B (sv) * | 1997-04-22 | 2001-05-15 | Nokia Networks Oy | Inkoppling av en multimodeterminal i ett nät i ett mobilkommunikationssystem |
-
1998
- 1998-03-13 BR BRPI9808711-8A patent/BR9808711B1/pt not_active IP Right Cessation
- 1998-03-13 CN CN98804852A patent/CN1129342C/zh not_active Expired - Lifetime
- 1998-03-13 JP JP54805498A patent/JP3930055B2/ja not_active Expired - Lifetime
- 1998-03-13 CA CA002288713A patent/CA2288713C/en not_active Expired - Lifetime
- 1998-03-13 KR KR1019997010178A patent/KR100343090B1/ko not_active IP Right Cessation
- 1998-03-13 WO PCT/US1998/005047 patent/WO1998050909A1/en active IP Right Grant
- 1998-03-13 IL IL13235898A patent/IL132358A0/xx not_active IP Right Cessation
- 1998-03-13 GB GB9925859A patent/GB2339999B/en not_active Expired - Lifetime
- 1998-04-09 FR FR9804419A patent/FR2763195B1/fr not_active Expired - Lifetime
- 1998-04-18 TW TW087105949A patent/TW392397B/zh not_active IP Right Cessation
- 1998-04-30 DE DE19819423A patent/DE19819423B4/de not_active Expired - Lifetime
-
1999
- 1999-11-04 FI FI992388A patent/FI117420B/sv not_active IP Right Cessation
- 1999-11-05 SE SE9904021A patent/SE517614C2/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB9925859D0 (en) | 1999-12-29 |
| DE19819423B4 (de) | 2007-03-22 |
| JP3930055B2 (ja) | 2007-06-13 |
| FI117420B (sv) | 2006-09-29 |
| FR2763195A1 (fr) | 1998-11-13 |
| CN1129342C (zh) | 2003-11-26 |
| BR9808711A (pt) | 2000-07-11 |
| CA2288713A1 (en) | 1998-11-12 |
| CA2288713C (en) | 2004-08-10 |
| BR9808711B1 (pt) | 2011-05-31 |
| CN1255225A (zh) | 2000-05-31 |
| DE19819423A1 (de) | 1998-11-12 |
| JP2001524289A (ja) | 2001-11-27 |
| KR20010012229A (ko) | 2001-02-15 |
| GB2339999A (en) | 2000-02-09 |
| FR2763195B1 (fr) | 2003-09-26 |
| KR100343090B1 (ko) | 2002-07-05 |
| SE9904021D0 (sv) | 1999-11-05 |
| SE517614C2 (sv) | 2002-06-25 |
| SE9904021L (sv) | 1999-12-28 |
| IL132358A0 (en) | 2001-03-19 |
| FI19992388A (sv) | 1999-11-04 |
| GB2339999B (en) | 2002-02-13 |
| WO1998050909A1 (en) | 1998-11-12 |
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Legal Events
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| GD4A | Issue of patent certificate for granted invention patent | ||
| MK4A | Expiration of patent term of an invention patent |