BR9705310A - Método e aparelho para a rápida aquisição do canal piloto usando um filtro adaptado em um rádio- telefone de cdma - Google Patents
Método e aparelho para a rápida aquisição do canal piloto usando um filtro adaptado em um rádio- telefone de cdmaInfo
- Publication number
- BR9705310A BR9705310A BR9705310-4A BR9705310A BR9705310A BR 9705310 A BR9705310 A BR 9705310A BR 9705310 A BR9705310 A BR 9705310A BR 9705310 A BR9705310 A BR 9705310A
- Authority
- BR
- Brazil
- Prior art keywords
- radio telephone
- sequence
- pilot channel
- cdma radio
- rapid acquisition
- Prior art date
Links
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
- H04B1/76—Pilot transmitters or receivers for control of transmission or for equalising
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
- H04B7/2637—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA] for logical channel control
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/741,183 US5950131A (en) | 1996-10-29 | 1996-10-29 | Method and apparatus for fast pilot channel acquisition using a matched filter in a CDMA radiotelephone |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9705310A true BR9705310A (pt) | 2001-03-20 |
Family
ID=24979714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9705310-4A BR9705310A (pt) | 1996-10-29 | 1997-10-27 | Método e aparelho para a rápida aquisição do canal piloto usando um filtro adaptado em um rádio- telefone de cdma |
Country Status (9)
Country | Link |
---|---|
US (1) | US5950131A (pt) |
JP (1) | JP4057111B2 (pt) |
KR (1) | KR100253104B1 (pt) |
CN (1) | CN1086541C (pt) |
AR (1) | AR009797A1 (pt) |
BR (1) | BR9705310A (pt) |
CA (1) | CA2213960C (pt) |
DE (1) | DE19745432C2 (pt) |
GB (1) | GB2318952B (pt) |
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US5544156A (en) * | 1994-04-29 | 1996-08-06 | Telefonaktiebolaget Lm Ericsson | Direct sequence CDMA coherent uplink detector |
FI96154C (fi) * | 1994-05-30 | 1996-05-10 | Nokia Telecommunications Oy | Menetelmä tilaajapäätelaitteiden synkronisoimiseksi, tukiasema sekä tilaajapäätelaite |
JP3120943B2 (ja) * | 1994-10-11 | 2000-12-25 | 松下電器産業株式会社 | Cdma受信機 |
US5627855A (en) * | 1995-05-25 | 1997-05-06 | Golden Bridge Technology, Inc. | Programmable two-part matched filter for spread spectrum |
FR2737362B1 (fr) * | 1995-07-25 | 1997-10-10 | Matra Communication | Procede de selection des retards de propagation retenus pour recevoir des messages transmis par radiocommunication a etalement de spectre |
US5715276A (en) * | 1996-08-22 | 1998-02-03 | Golden Bridge Technology, Inc. | Symbol-matched filter having a low silicon and power requirement |
-
1996
- 1996-10-29 US US08/741,183 patent/US5950131A/en not_active Expired - Lifetime
-
1997
- 1997-08-25 CA CA002213960A patent/CA2213960C/en not_active Expired - Fee Related
- 1997-09-18 AR ARP970104283A patent/AR009797A1/es active IP Right Grant
- 1997-09-22 GB GB9720012A patent/GB2318952B/en not_active Expired - Fee Related
- 1997-10-08 JP JP29355097A patent/JP4057111B2/ja not_active Expired - Fee Related
- 1997-10-15 DE DE19745432A patent/DE19745432C2/de not_active Expired - Fee Related
- 1997-10-27 CN CN97119929A patent/CN1086541C/zh not_active Expired - Fee Related
- 1997-10-27 BR BR9705310-4A patent/BR9705310A/pt not_active Application Discontinuation
- 1997-10-28 KR KR1019970055503A patent/KR100253104B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5950131A (en) | 1999-09-07 |
JPH10145333A (ja) | 1998-05-29 |
CN1185705A (zh) | 1998-06-24 |
KR100253104B1 (ko) | 2000-04-15 |
CA2213960C (en) | 2001-01-02 |
DE19745432C2 (de) | 2001-05-03 |
GB9720012D0 (en) | 1997-11-19 |
JP4057111B2 (ja) | 2008-03-05 |
GB2318952B (en) | 2001-06-20 |
KR19980033222A (ko) | 1998-07-25 |
GB2318952A (en) | 1998-05-06 |
CN1086541C (zh) | 2002-06-19 |
AR009797A1 (es) | 2000-05-03 |
DE19745432A1 (de) | 1998-05-07 |
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