ZA200304449B - Method of signal quality estimation. - Google Patents
Method of signal quality estimation. Download PDFInfo
- Publication number
- ZA200304449B ZA200304449B ZA200304449A ZA200304449A ZA200304449B ZA 200304449 B ZA200304449 B ZA 200304449B ZA 200304449 A ZA200304449 A ZA 200304449A ZA 200304449 A ZA200304449 A ZA 200304449A ZA 200304449 B ZA200304449 B ZA 200304449B
- Authority
- ZA
- South Africa
- Prior art keywords
- vector
- vectors
- plus
- forming
- samples
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 72
- 239000013598 vector Substances 0.000 claims abstract description 127
- 238000000638 solvent extraction Methods 0.000 claims abstract description 3
- 239000011159 matrix material Substances 0.000 claims description 16
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 24
- 230000005540 biological transmission Effects 0.000 description 7
- 238000012549 training Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000001413 cellular effect Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 238000005562 fading Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000005284 basis set Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 241000721156 Chloranthus spicatus Species 0.000 description 1
- 101100091568 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) RPE1 gene Proteins 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000035559 beat frequency Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000010267 cellular communication Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 101150015371 epi-1 gene Proteins 0.000 description 1
- 230000002452 interceptive 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
- 230000010363 phase shift Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
- H04L1/208—Arrangements for detecting or preventing errors in the information received using signal quality detector involving signal re-encoding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Radar Systems Or Details Thereof (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0031131A GB2370470A (en) | 2000-12-20 | 2000-12-20 | Estimating signal quality from orthogonal re-encoded symbol vectors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200304449B true ZA200304449B (en) | 2004-07-08 |
Family
ID=9905503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200304449A ZA200304449B (en) | 2000-12-20 | 2003-06-06 | Method of signal quality estimation. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20040059547A1 (fr) |
| EP (1) | EP1346502B1 (fr) |
| AT (1) | ATE379890T1 (fr) |
| AU (2) | AU2002235796B2 (fr) |
| DE (1) | DE60131678T2 (fr) |
| GB (1) | GB2370470A (fr) |
| WO (1) | WO2002051059A2 (fr) |
| ZA (1) | ZA200304449B (fr) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7499486B2 (en) * | 2002-11-27 | 2009-03-03 | Agere Systems Inc. | Data transmission rate adaptation in a wireless communication system |
| GB0309182D0 (en) | 2003-04-23 | 2003-05-28 | Hewlett Packard Development Co | Security method and apparatus using biometric data |
| US8125958B2 (en) * | 2008-06-17 | 2012-02-28 | Broadcom Corporation | Wireless subscriber inter-technology handoff |
| US20130155102A1 (en) * | 2011-12-20 | 2013-06-20 | Honeywell International Inc. | Systems and methods of accuracy mapping in a location tracking system |
| US10020839B2 (en) | 2016-11-14 | 2018-07-10 | Rampart Communications, LLC | Reliable orthogonal spreading codes in wireless communications |
| US10873361B2 (en) | 2019-05-17 | 2020-12-22 | Rampart Communications, Inc. | Communication system and methods using multiple-in-multiple-out (MIMO) antennas within unitary braid divisional multiplexing (UBDM) |
| US10833749B1 (en) | 2019-07-01 | 2020-11-10 | Rampart Communications, Inc. | Communication system and method using layered construction of arbitrary unitary matrices |
| US11025470B2 (en) * | 2019-07-01 | 2021-06-01 | Rampart Communications, Inc. | Communication system and method using orthogonal frequency division multiplexing (OFDM) with non-linear transformation |
| US11641269B2 (en) | 2020-06-30 | 2023-05-02 | Rampart Communications, Inc. | Modulation-agnostic transformations using unitary braid divisional multiplexing (UBDM) |
| US10917148B2 (en) | 2019-07-01 | 2021-02-09 | Rampart Communications, Inc. | Systems, methods and apparatus for secure and efficient wireless communication of signals using a generalized approach within unitary braid division multiplexing |
| US11050604B2 (en) | 2019-07-01 | 2021-06-29 | Rampart Communications, Inc. | Systems, methods and apparatuses for modulation-agnostic unitary braid division multiplexing signal transformation |
| US10951442B2 (en) | 2019-07-31 | 2021-03-16 | Rampart Communications, Inc. | Communication system and method using unitary braid divisional multiplexing (UBDM) with physical layer security |
| US10735062B1 (en) | 2019-09-04 | 2020-08-04 | Rampart Communications, Inc. | Communication system and method for achieving high data rates using modified nearly-equiangular tight frame (NETF) matrices |
| US10965352B1 (en) | 2019-09-24 | 2021-03-30 | Rampart Communications, Inc. | Communication system and methods using very large multiple-in multiple-out (MIMO) antenna systems with extremely large class of fast unitary transformations |
| US11159220B2 (en) | 2020-02-11 | 2021-10-26 | Rampart Communications, Inc. | Single input single output (SISO) physical layer key exchange |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5323421A (en) * | 1992-09-30 | 1994-06-21 | Motorola, Inc. | Method and apparatus of estimating channel quality in a receiver |
| US5619503A (en) * | 1994-01-11 | 1997-04-08 | Ericsson Inc. | Cellular/satellite communications system with improved frequency re-use |
| US5737365A (en) * | 1995-10-26 | 1998-04-07 | Motorola, Inc. | Method and apparatus for determining a received signal quality estimate of a trellis code modulated signal |
| US5940435A (en) * | 1996-11-21 | 1999-08-17 | Dsp Group, Inc. | Method for compensating filtering delays in a spread-spectrum receiver |
| GB2327176B (en) * | 1997-07-08 | 2002-04-24 | Ericsson Telefon Ab L M | Signal quality measurement |
| WO2002071770A1 (fr) * | 2001-03-06 | 2002-09-12 | Beamreach Networks, Inc. | Procedes de communications adaptatifs pour reseaux radio sans fil a paquets d'utilisateurs multiples |
-
2000
- 2000-12-20 GB GB0031131A patent/GB2370470A/en not_active Withdrawn
-
2001
- 2001-12-17 AT AT01985907T patent/ATE379890T1/de not_active IP Right Cessation
- 2001-12-17 US US10/451,136 patent/US20040059547A1/en not_active Abandoned
- 2001-12-17 AU AU2002235796A patent/AU2002235796B2/en not_active Ceased
- 2001-12-17 DE DE60131678T patent/DE60131678T2/de not_active Expired - Lifetime
- 2001-12-17 EP EP01985907A patent/EP1346502B1/fr not_active Expired - Lifetime
- 2001-12-17 AU AU3579602A patent/AU3579602A/xx active Pending
- 2001-12-17 WO PCT/EP2001/015025 patent/WO2002051059A2/fr active IP Right Grant
-
2003
- 2003-06-06 ZA ZA200304449A patent/ZA200304449B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US20040059547A1 (en) | 2004-03-25 |
| WO2002051059A2 (fr) | 2002-06-27 |
| ATE379890T1 (de) | 2007-12-15 |
| EP1346502A2 (fr) | 2003-09-24 |
| DE60131678T2 (de) | 2008-04-10 |
| GB2370470A (en) | 2002-06-26 |
| WO2002051059A3 (fr) | 2002-11-14 |
| AU3579602A (en) | 2002-07-01 |
| EP1346502B1 (fr) | 2007-11-28 |
| DE60131678D1 (de) | 2008-01-10 |
| GB0031131D0 (en) | 2001-01-31 |
| AU2002235796B2 (en) | 2005-11-10 |
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