CA2465775C - Systeme de communication sans fil a entrees multiples sorties multiples (mimo) - Google Patents
Systeme de communication sans fil a entrees multiples sorties multiples (mimo) Download PDFInfo
- Publication number
- CA2465775C CA2465775C CA2465775A CA2465775A CA2465775C CA 2465775 C CA2465775 C CA 2465775C CA 2465775 A CA2465775 A CA 2465775A CA 2465775 A CA2465775 A CA 2465775A CA 2465775 C CA2465775 C CA 2465775C
- Authority
- CA
- Canada
- Prior art keywords
- antenna elements
- transceiver
- signal
- antenna
- operable
- 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
- 238000004891 communication Methods 0.000 title claims abstract description 33
- 230000010287 polarization Effects 0.000 claims abstract description 22
- 230000009977 dual effect Effects 0.000 claims abstract description 5
- 230000003111 delayed effect Effects 0.000 claims abstract description 3
- 230000001902 propagating effect Effects 0.000 claims abstract 10
- 238000000034 method Methods 0.000 claims description 15
- 238000000926 separation method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 17
- 230000003044 adaptive effect Effects 0.000 description 14
- 230000008859 change Effects 0.000 description 12
- 238000005562 fading Methods 0.000 description 12
- 239000013598 vector Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000969 carrier Substances 0.000 description 4
- 208000003028 Stuttering Diseases 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 2
- 101100095798 Synechococcus elongatus (strain PCC 7942 / FACHB-805) sigA2 gene Proteins 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/10—Polarisation diversity; Directional diversity
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Un système de communications sans fil à entrée multiple sortie multiple (MIMO) comprend un premier et un second émetteurs-récepteurs, et une première et seconde antennes respectives. Le premier émetteur-récepteur et la première antenne peuvent émettre et recevoir des signaux se propageant au moins sur un trajet de signaux faisant au moins appel à un procédé de codage et de modulation. Le second émetteur-récepteur et la seconde antenne peuvent émettre et recevoir des signaux se propageant au moins sur un trajet de signaux faisant au moins appel un procédé de codage et de modulation. Chacune des première et seconde antennes comprend des antennes polarisées jumelées pour fonctionner sous des polarisations différentes pour transmettre un premier et un second signaux. Un signal est la version différée de l'un des premier et second signaux. En outre, le système peut comprendre un autre groupe de première et seconde antennes comportant des premier et second éléments d'antennes séparés spatialement qui fonctionnent sous des polarisations différentes et configurés pour fournir une diversité à retard des signaux.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2465775A CA2465775C (fr) | 2004-04-27 | 2004-04-27 | Systeme de communication sans fil a entrees multiples sorties multiples (mimo) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2465775A CA2465775C (fr) | 2004-04-27 | 2004-04-27 | Systeme de communication sans fil a entrees multiples sorties multiples (mimo) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2465775A1 CA2465775A1 (fr) | 2005-10-27 |
| CA2465775C true CA2465775C (fr) | 2012-02-21 |
Family
ID=35311207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2465775A Expired - Fee Related CA2465775C (fr) | 2004-04-27 | 2004-04-27 | Systeme de communication sans fil a entrees multiples sorties multiples (mimo) |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2465775C (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009017230A1 (fr) * | 2007-08-02 | 2009-02-05 | Nec Corporation | Système de communication mimo ayant un parcours de communication déterministe et son procédé d'agencement d'antenne |
| CN101499835B (zh) * | 2008-01-31 | 2012-11-07 | 电信科学技术研究院 | 一种基于双极化阵列天线的下行发射处理方法及装置 |
| CN101938303A (zh) * | 2009-06-30 | 2011-01-05 | 中兴通讯股份有限公司 | 天线阵列及天线阵列信号发射方法 |
-
2004
- 2004-04-27 CA CA2465775A patent/CA2465775C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2465775A1 (fr) | 2005-10-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20220301 |
|
| MKLA | Lapsed |
Effective date: 20200831 |