TWI371171B - Method and apparatus for selective disregard of co-channel transmissions on a medium - Google Patents
Method and apparatus for selective disregard of co-channel transmissions on a mediumInfo
- Publication number
- TWI371171B TWI371171B TW093104264A TW93104264A TWI371171B TW I371171 B TWI371171 B TW I371171B TW 093104264 A TW093104264 A TW 093104264A TW 93104264 A TW93104264 A TW 93104264A TW I371171 B TWI371171 B TW I371171B
- Authority
- TW
- Taiwan
- Prior art keywords
- channel transmissions
- medium
- agc
- cca
- circuit
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 230000005540 biological transmission Effects 0.000 title abstract 2
- 238000005259 measurement Methods 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/06—Demodulator circuits; Receiver circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
- H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
-
- 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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
-
- 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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
- H04W52/0232—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal according to average transmission signal activity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0245—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal according to signal strength
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Circuits Of Receivers In General (AREA)
- Transmitters (AREA)
- Mobile Radio Communication Systems (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US44912603P | 2003-02-21 | 2003-02-21 | |
US10/782,394 US7522669B2 (en) | 2003-02-21 | 2004-02-18 | Method and apparatus for selective disregard of co-channel transmissions on a medium |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200421732A TW200421732A (en) | 2004-10-16 |
TWI371171B true TWI371171B (en) | 2012-08-21 |
Family
ID=32930503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW093104264A TWI371171B (en) | 2003-02-21 | 2004-02-20 | Method and apparatus for selective disregard of co-channel transmissions on a medium |
Country Status (8)
Country | Link |
---|---|
US (3) | US7522669B2 (zh) |
EP (1) | EP1595344B1 (zh) |
KR (1) | KR101055364B1 (zh) |
CN (2) | CN1762115B (zh) |
AT (1) | ATE360294T1 (zh) |
DE (2) | DE602004005967T2 (zh) |
TW (1) | TWI371171B (zh) |
WO (1) | WO2004077847A2 (zh) |
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KR102347428B1 (ko) | 2015-08-21 | 2022-01-05 | 삼성전자주식회사 | 무선 통신 시스템에서 캐리어 감지 임계값 결정 방법 및 장치 |
CN108141763B (zh) | 2015-10-05 | 2022-03-15 | 日本电信电话株式会社 | 无线通信***以及无线通信方法 |
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-
2004
- 2004-02-18 US US10/782,394 patent/US7522669B2/en not_active Expired - Fee Related
- 2004-02-19 AT AT04712916T patent/ATE360294T1/de not_active IP Right Cessation
- 2004-02-19 KR KR1020057015327A patent/KR101055364B1/ko active IP Right Grant
- 2004-02-19 EP EP04712916A patent/EP1595344B1/en not_active Expired - Lifetime
- 2004-02-19 WO PCT/US2004/005013 patent/WO2004077847A2/en active IP Right Grant
- 2004-02-19 DE DE602004005967T patent/DE602004005967T2/de not_active Expired - Lifetime
- 2004-02-19 CN CN2004800075746A patent/CN1762115B/zh not_active Expired - Fee Related
- 2004-02-19 DE DE602004020688T patent/DE602004020688D1/de not_active Expired - Lifetime
- 2004-02-19 CN CN2012104508004A patent/CN102983918A/zh active Pending
- 2004-02-20 TW TW093104264A patent/TWI371171B/zh not_active IP Right Cessation
-
2007
- 2007-07-26 US US11/829,036 patent/US8331462B2/en not_active Expired - Fee Related
-
2009
- 2009-03-11 US US12/402,341 patent/US8391374B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE360294T1 (de) | 2007-05-15 |
DE602004020688D1 (de) | 2009-05-28 |
KR101055364B1 (ko) | 2011-08-08 |
WO2004077847A3 (en) | 2005-04-14 |
US7522669B2 (en) | 2009-04-21 |
EP1595344B1 (en) | 2007-04-18 |
CN1762115A (zh) | 2006-04-19 |
US8391374B2 (en) | 2013-03-05 |
CN102983918A (zh) | 2013-03-20 |
CN1762115B (zh) | 2012-11-28 |
KR20050119107A (ko) | 2005-12-20 |
WO2004077847A2 (en) | 2004-09-10 |
DE602004005967D1 (de) | 2007-05-31 |
US20040235439A1 (en) | 2004-11-25 |
DE602004005967T2 (de) | 2008-01-17 |
EP1595344A2 (en) | 2005-11-16 |
US20070264950A1 (en) | 2007-11-15 |
US20090175237A1 (en) | 2009-07-09 |
US8331462B2 (en) | 2012-12-11 |
TW200421732A (en) | 2004-10-16 |
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