SE519470C2 - Förfarande och apparat för ordnande av walshindex i en mottagare i ett kommunikationssystem - Google Patents

Förfarande och apparat för ordnande av walshindex i en mottagare i ett kommunikationssystem

Info

Publication number: SE519470C2
Authority: SE; Sweden
Prior art keywords: walsh; energy; index; indices; symbols
Prior art date: 1995-08-28

Application number

SE9701540A

Other languages

English (en)

Swedish (sv)

Other versions

SE9701540D0 (sv

SE9701540L (sv

Inventor

Robert A Lipa

Original Assignee

Motorola Inc

Priority date (The priority date 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 date listed.)

1995-08-28

Filing date

1997-04-24

Publication date

2003-03-04

1997-04-24 Application filed by Motorola Inc filed Critical Motorola Inc

1997-04-24 Publication of SE9701540D0 publication Critical patent/SE9701540D0/xx

1997-06-27 Publication of SE9701540L publication Critical patent/SE9701540L/xx

2003-03-04 Publication of SE519470C2 publication Critical patent/SE519470C2/sv

Links

239000013598 vector Substances 0.000 claims abstract description 42
238000000034 method Methods 0.000 claims abstract description 20
238000004891 communication Methods 0.000 claims abstract description 14
230000008569 process Effects 0.000 abstract description 9
230000004083 survival effect Effects 0.000 description 19
239000008186 active pharmaceutical agent Substances 0.000 description 7
238000004364 calculation method Methods 0.000 description 7
230000001427 coherent effect Effects 0.000 description 6
230000007704 transition Effects 0.000 description 6
230000001413 cellular effect Effects 0.000 description 4
238000010586 diagram Methods 0.000 description 4
238000013461 design Methods 0.000 description 3
230000000694 effects Effects 0.000 description 3
239000011159 matrix material Substances 0.000 description 3
230000008901 benefit Effects 0.000 description 2
230000005540 biological transmission Effects 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 2
238000010276 construction Methods 0.000 description 2
238000001514 detection method Methods 0.000 description 2
230000006870 function Effects 0.000 description 2
239000000463 material Substances 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000012986 modification Methods 0.000 description 2
230000035945 sensitivity Effects 0.000 description 2
238000007476 Maximum Likelihood Methods 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
230000008447 perception Effects 0.000 description 1
238000012545 processing Methods 0.000 description 1
230000007480 spreading Effects 0.000 description 1
230000001360 synchronised effect Effects 0.000 description 1
230000009466 transformation Effects 0.000 description 1

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/708—Parallel implementation
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/709—Correlator structure
- H04B1/7093—Matched filter type

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Mobile Radio Communication Systems (AREA)
Circuits Of Receivers In General (AREA)
Error Detection And Correction (AREA)

SE9701540A 1995-08-28 1997-04-24 Förfarande och apparat för ordnande av walshindex i en mottagare i ett kommunikationssystem SE519470C2 (sv)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US08/519,911 US5790515A (en)	1995-08-28	1995-08-28	Method and apparatus for sorting walsh indexes in a communication system receiver
PCT/US1996/010867 WO1997008863A1 (en)	1995-08-28	1996-06-25	Method and apparatus for sorting walsh indexes in a communication system receiver

Publications (3)

Publication Number	Publication Date
SE9701540D0 SE9701540D0 (sv)	1997-04-24
SE9701540L SE9701540L (sv)	1997-06-27
SE519470C2 true SE519470C2 (sv)	2003-03-04

Family

ID=24070353

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE9701540A SE519470C2 (sv)	1995-08-28	1997-04-24	Förfarande och apparat för ordnande av walshindex i en mottagare i ett kommunikationssystem

Country Status (5)

Country	Link
US (1)	US5790515A (ja)
JP (1)	JP3710821B2 (ja)
KR (1)	KR100221519B1 (ja)
SE (1)	SE519470C2 (ja)
WO (1)	WO1997008863A1 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6018546A (en) *	1997-09-16	2000-01-25	Lucent Technologies Inc.	Technique for soft decision metric generation in a wireless communications system
US6067315A (en) *	1997-12-04	2000-05-23	Telefonaktiebolaget Lm Ericsson	Method and apparatus for coherently-averaged power estimation
US5974079A (en) *	1998-01-26	1999-10-26	Motorola, Inc.	Method and apparatus for encoding rate determination in a communication system
RU2144266C1 (ru) *	1998-07-06	2000-01-10	Военная академия связи	Устройство формирования группового сигнала
EP1091500A3 (en) *	1999-10-06	2002-06-12	Lucent Technologies Inc.	Method and apparatus for reverse link energy estimation in a wireless network
RU2194365C2 (ru) *	2000-05-10	2002-12-10	Воронежский государственный технический университет	Многоканальная система связи
US7095710B2 (en) *	2001-12-21	2006-08-22	Qualcomm	Decoding using walsh space information
CN105512179B (zh) *	2015-11-25	2017-06-09	中国科学院计算技术研究所	硬件实现的数据排序装置、方法及数据处理芯片

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5313489A (en) *	1993-06-25	1994-05-17	Motorola, Inc.	Signal processing in communication systems
US5414728A (en) *	1993-11-01	1995-05-09	Qualcomm Incorporated	Method and apparatus for bifurcating signal transmission over in-phase and quadrature phase spread spectrum communication channels
US5511067A (en) *	1994-06-17	1996-04-23	Qualcomm Incorporated	Layered channel element in a base station modem for a CDMA cellular communication system
US5602833A (en) *	1994-12-19	1997-02-11	Qualcomm Incorporated	Method and apparatus for using Walsh shift keying in a spread spectrum communication system

1995
- 1995-08-28 US US08/519,911 patent/US5790515A/en not_active Expired - Lifetime
1996
- 1996-06-25 JP JP51023297A patent/JP3710821B2/ja not_active Expired - Lifetime
- 1996-06-25 KR KR1019970702773A patent/KR100221519B1/ko not_active Expired - Fee Related
- 1996-06-25 WO PCT/US1996/010867 patent/WO1997008863A1/en not_active Ceased
1997
- 1997-04-24 SE SE9701540A patent/SE519470C2/sv not_active IP Right Cessation

Also Published As

Publication number	Publication date
JPH10508455A (ja)	1998-08-18
SE9701540D0 (sv)	1997-04-24
JP3710821B2 (ja)	2005-10-26
KR100221519B1 (ko)	1999-09-15
WO1997008863A1 (en)	1997-03-06
US5790515A (en)	1998-08-04
SE9701540L (sv)	1997-06-27
KR970707660A (ko)	1997-12-01

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Legal Events

Date	Code	Title	Description
2009-02-17	NUG	Patent has lapsed