CA2220224C - Procede pour recevoir et explorer une emission de signaux en rafales - Google Patents
Procede pour recevoir et explorer une emission de signaux en rafales Download PDFInfo
- Publication number
- CA2220224C CA2220224C CA002220224A CA2220224A CA2220224C CA 2220224 C CA2220224 C CA 2220224C CA 002220224 A CA002220224 A CA 002220224A CA 2220224 A CA2220224 A CA 2220224A CA 2220224 C CA2220224 C CA 2220224C
- Authority
- CA
- Canada
- Prior art keywords
- search
- offset
- walsh
- call signal
- symbol
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 130
- 239000000872 buffer Substances 0.000 claims abstract description 63
- 238000001228 spectrum Methods 0.000 claims abstract description 20
- 239000012723 sample buffer Substances 0.000 claims description 60
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 9
- 230000001934 delay Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 abstract description 20
- 230000008569 process Effects 0.000 description 77
- 230000000875 corresponding effect Effects 0.000 description 55
- 238000012545 processing Methods 0.000 description 24
- 230000006870 function Effects 0.000 description 22
- 230000035508 accumulation Effects 0.000 description 20
- 238000009825 accumulation Methods 0.000 description 20
- 238000005562 fading Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 13
- 230000002441 reversible effect Effects 0.000 description 13
- 230000001413 cellular effect Effects 0.000 description 9
- 230000003111 delayed effect Effects 0.000 description 9
- 230000008901 benefit Effects 0.000 description 8
- 240000007320 Pinus strobus Species 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 238000012937 correction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 230000001427 coherent effect Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 239000013598 vector Substances 0.000 description 4
- 241001442055 Vipera berus Species 0.000 description 3
- 230000002596 correlated effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 3
- 238000012163 sequencing technique Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 230000002939 deleterious effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 241001331845 Equus asinus x caballus Species 0.000 description 1
- 238000007476 Maximum Likelihood Methods 0.000 description 1
- 206010048669 Terminal state Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000003860 storage Methods 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US436,029 | 1995-05-05 | ||
| US08/436,029 US5710768A (en) | 1994-09-30 | 1995-05-05 | Method of searching for a bursty signal |
| PCT/US1996/007567 WO1996035268A1 (fr) | 1995-05-05 | 1996-05-02 | Procede pour recevoir et explorer une emission de signaux en rafales |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2220224A1 CA2220224A1 (fr) | 1996-11-07 |
| CA2220224C true CA2220224C (fr) | 2005-11-22 |
Family
ID=35474778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002220224A Expired - Fee Related CA2220224C (fr) | 1995-05-05 | 1996-05-02 | Procede pour recevoir et explorer une emission de signaux en rafales |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2220224C (fr) |
-
1996
- 1996-05-02 CA CA002220224A patent/CA2220224C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2220224A1 (fr) | 1996-11-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5710768A (en) | Method of searching for a bursty signal | |
| EP0732013B1 (fr) | Processeur de recherche multivoie pour systeme de communication a acces multiple a etalement de spectre | |
| CA2185444C (fr) | Recepteur de station de base de sites cellulaires en pipeline pour signaux multiples a etalement du spectre | |
| US5881058A (en) | Method for performing a signal search in a wireless communication system | |
| US6639906B1 (en) | Multichannel demodulator | |
| EP1084538A2 (fr) | Dispositif de mesure d'intensite de signaux pilote et de recherche de voies de propagation par trajets multiples pour recepteur amcr | |
| CA2220224C (fr) | Procede pour recevoir et explorer une emission de signaux en rafales | |
| HK1015198B (en) | Multipath search processor for a spread spectrum multiple access communication system | |
| HK1017523B (en) | Method of receiving and searching a signal transmitting in bursts | |
| HK1015199B (en) | Pipelined cell site base station receiver for multiple spread spectrum signals | |
| HK1146162A (en) | Spread spectrum multipath demodulator for a multichannel communication system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |