WO2000025445A9 - Method and apparatus for calibration of a wireless transmitter - Google Patents
Method and apparatus for calibration of a wireless transmitterInfo
- Publication number
- WO2000025445A9 WO2000025445A9 PCT/US1999/025167 US9925167W WO0025445A9 WO 2000025445 A9 WO2000025445 A9 WO 2000025445A9 US 9925167 W US9925167 W US 9925167W WO 0025445 A9 WO0025445 A9 WO 0025445A9
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- level
- signal
- circuit element
- power level
- signal power
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 48
- 230000006835 compression Effects 0.000 claims abstract description 22
- 238000007906 compression Methods 0.000 claims abstract description 22
- 230000008859 change Effects 0.000 claims abstract description 10
- 230000004044 response Effects 0.000 claims description 23
- 238000004891 communication Methods 0.000 claims description 22
- 230000003247 decreasing effect Effects 0.000 claims description 13
- 238000012935 Averaging Methods 0.000 claims description 3
- 230000003213 activating effect Effects 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 25
- 230000008901 benefit Effects 0.000 description 12
- 230000007423 decrease Effects 0.000 description 11
- 238000005259 measurement Methods 0.000 description 11
- 229920006395 saturated elastomer Polymers 0.000 description 8
- 230000032683 aging Effects 0.000 description 7
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000013139 quantization Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- 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
- H04W52/04—TPC
- H04W52/52—TPC using AGC [Automatic Gain Control] circuits or amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
- H03G3/3047—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/11—Monitoring; Testing of transmitters for calibration
- H04B17/13—Monitoring; Testing of transmitters for calibration of power amplifiers, e.g. gain or non-linearity
-
- 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
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Electromagnetism (AREA)
- Transmitters (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU13250/00A AU1325000A (en) | 1998-10-28 | 1999-10-27 | Method and apparatus for calibration of a wireless transmitter |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10595398P | 1998-10-28 | 1998-10-28 | |
US60/105,953 | 1998-10-28 | ||
US09/407,641 | 1999-09-28 | ||
US09/407,641 US6256483B1 (en) | 1998-10-28 | 1999-09-28 | Method and apparatus for calibration of a wireless transmitter |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2000025445A1 WO2000025445A1 (en) | 2000-05-04 |
WO2000025445A9 true WO2000025445A9 (en) | 2000-10-26 |
Family
ID=26803137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1999/025167 WO2000025445A1 (en) | 1998-10-28 | 1999-10-27 | Method and apparatus for calibration of a wireless transmitter |
Country Status (3)
Country | Link |
---|---|
US (2) | US6256483B1 (en) |
AU (1) | AU1325000A (en) |
WO (1) | WO2000025445A1 (en) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6728520B2 (en) * | 1999-08-31 | 2004-04-27 | Qualcomm Incorporated | System and method for constant loop gain in a closed loop circuit |
US6487420B1 (en) * | 1999-10-15 | 2002-11-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Adaptive rach power determination for mobile telecommunications user equipment unit |
US6731946B1 (en) * | 2000-11-22 | 2004-05-04 | Ensemble Communications | System and method for timing detector measurements in a wireless communication system |
JP4545921B2 (en) * | 2000-12-22 | 2010-09-15 | 株式会社日立国際電気 | Wireless communication device |
US6704579B2 (en) * | 2001-02-15 | 2004-03-09 | Ensemble Communications | System and method of automatically calibrating the gain for a distributed wireless communication system |
WO2002075960A1 (en) | 2001-03-16 | 2002-09-26 | U.S. Monolithics, L.L.C. | System and method for uplink power control |
US7006791B2 (en) * | 2001-03-16 | 2006-02-28 | U.S. Monolithics, L.L.C. | System and method for uplink power control by detecting amplifier compression point using dc current detection |
US6570529B2 (en) * | 2001-05-24 | 2003-05-27 | Lucent Technologies Inc. | Autonomous calibration of a wireless-global positioning system |
US7010266B2 (en) | 2001-05-24 | 2006-03-07 | Viasat, Inc. | Power control systems and methods for use in satellite-based data communications systems |
US6819938B2 (en) * | 2001-06-26 | 2004-11-16 | Qualcomm Incorporated | System and method for power control calibration and a wireless communication device |
US6735420B2 (en) | 2001-12-18 | 2004-05-11 | Globespanvirata, Inc. | Transmit power control for multiple rate wireless communications |
US6642905B2 (en) * | 2001-12-21 | 2003-11-04 | The Boeing Company | Thermal-locate 5W(V) and 5W(H) SSPA's on back of reflector(s) |
US7079818B2 (en) * | 2002-02-12 | 2006-07-18 | Broadcom Corporation | Programmable mutlistage amplifier and radio applications thereof |
US20030184487A1 (en) * | 2002-03-27 | 2003-10-02 | Desargant Glenn J. | Reflector/feed antenna with reflector mounted waveguide diplexer-OMT |
US20040198261A1 (en) * | 2002-06-28 | 2004-10-07 | Wei Xiong | Method of self-calibration in a wireless transmitter |
US7177606B2 (en) * | 2002-07-10 | 2007-02-13 | General Instrument Corporation | Control system for controlling an output signal power level of a wireless transmitter |
US7076201B2 (en) * | 2002-09-05 | 2006-07-11 | Xytrans, Inc. | Low cost VSAT MMIC transceiver with automatic power control |
US20040092185A1 (en) * | 2002-11-13 | 2004-05-13 | Grafe Timothy H. | Wipe material with nanofiber layer |
US20040137840A1 (en) * | 2003-01-15 | 2004-07-15 | La Chapelle Michael De | Bi-directional transponder apparatus and method of operation |
US7668512B2 (en) * | 2003-01-15 | 2010-02-23 | Avago Technologies Fiber Ip (Singapore) Pte. Ltd. | Transceiver with a test mode of operation |
PL359304A1 (en) * | 2003-03-24 | 2004-10-04 | Advanced Digital Broadcast Ltd. | Method for calibration of signal receiver equipped with automatic gain control circuits |
US7228114B2 (en) * | 2003-05-21 | 2007-06-05 | Harris Stratex Networks Operating Corporation | Wide dynamic range power detection scheme |
US8483717B2 (en) | 2003-06-27 | 2013-07-09 | Qualcomm Incorporated | Local area network assisted positioning |
US7606535B2 (en) * | 2004-04-01 | 2009-10-20 | Harris Stratex Networks, Inc. | Modular wide-range transceiver |
US7561851B2 (en) * | 2004-04-01 | 2009-07-14 | Harris Stratex Networks, Inc. | System and method for calibrating modules of a wide-range transceiver |
KR100603763B1 (en) * | 2004-06-10 | 2006-07-24 | 삼성전자주식회사 | Apparatus for sensing temperature using RF signal with different frequency and method thereof |
US7400866B2 (en) * | 2005-01-14 | 2008-07-15 | General Instrument Corporation | Methods and apparatus for calibrating and controlling output power levels in a broadband communication system |
US8422982B2 (en) * | 2005-10-03 | 2013-04-16 | Raven Nc Llc | Method and apparatus for DC power management within multi-channel LNBF |
US8209727B2 (en) * | 2006-04-04 | 2012-06-26 | At&T Intellectual Property I, Lp | Method and apparatus for distributing signals |
EP2645596B2 (en) * | 2006-09-26 | 2020-02-12 | ViaSat, Inc. | Improved spot beam satellite systems |
US8064855B2 (en) * | 2006-10-25 | 2011-11-22 | Panasonic Corporation | Transmission power controller |
US9295003B2 (en) * | 2007-03-19 | 2016-03-22 | Apple Inc. | Resource allocation in a communication system |
US8699984B2 (en) * | 2008-02-25 | 2014-04-15 | Csr Technology Inc. | Adaptive noise figure control in a radio receiver |
WO2009155006A2 (en) * | 2008-05-27 | 2009-12-23 | Viasat, Inc . | Fault tolerant modem redundancy |
KR101624907B1 (en) * | 2010-03-16 | 2016-06-08 | 삼성전자주식회사 | Apparatus and method for controlling transmit power of indoor base station in broadband wireless communication system |
IT1401722B1 (en) * | 2010-07-21 | 2013-08-02 | Sie Soc It Elettronica | PROCEDURE FOR AUTOMATIC CALIBRATION OF BROADBAND MICROWAVE MODULES |
US8489045B2 (en) | 2011-02-02 | 2013-07-16 | Qualcomm Incorporated | Method and system for adjusting transmission power |
EP2673881B1 (en) | 2011-02-07 | 2019-02-06 | Skyworks Solutions, Inc. | Apparatus and methods for envelope tracking calibration |
US9191903B2 (en) * | 2011-09-02 | 2015-11-17 | Autotalks Ltd | Remote antenna unit with external power control using a single control line |
KR101738730B1 (en) | 2013-04-23 | 2017-05-22 | 스카이워크스 솔루션즈, 인코포레이티드 | Apparatus and methods for envelope shaping in power amplifier systems |
US9712261B2 (en) | 2013-08-15 | 2017-07-18 | Silicon Laboratories Inc. | Apparatus and method of background temperature calibration |
Family Cites Families (99)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4545061A (en) | 1962-09-28 | 1985-10-01 | Sylvania Electric Products Inc. | Synchronizing system |
US3611435A (en) | 1969-03-24 | 1971-10-05 | Itt | Satellite communication system |
US3818453A (en) | 1971-08-11 | 1974-06-18 | Communications Satellite Corp | Tdma satellite communications system |
US4355388A (en) | 1979-09-27 | 1982-10-19 | Communications Satellite Corporation | Microprogrammable TDMA terminal controller |
GB2108357B (en) | 1981-09-28 | 1985-08-14 | Nippon Telegraph & Telephone | Method for resolving collision in local network |
US4574378A (en) | 1982-06-14 | 1986-03-04 | Nec Corporation | Multiple access system and method |
IT1161466B (en) | 1983-01-21 | 1987-03-18 | Cselt Centro Studi Lab Telecom | BASIC BAND EQUIPMENT FOR EARTH STATIONS OF A SATELLITE TRANSMISSION SYSTEM WITH TIME DIVISION ACCESS |
IL78808A (en) * | 1985-05-31 | 1991-04-15 | Hughes Aircraft Co | Rf input drive saturation control loop |
US4868795A (en) | 1985-08-05 | 1989-09-19 | Terra Marine Engineering, Inc. | Power leveling telemetry system |
US4763325A (en) | 1985-09-04 | 1988-08-09 | Comsat Telesystems, Inc. | Demand assigned reformatting with an overflow area for time division multiple access communication |
CA1261080A (en) | 1985-12-30 | 1989-09-26 | Shunichiro Tejima | Satellite communications system with random multiple access and time slot reservation |
US4837786A (en) | 1986-08-07 | 1989-06-06 | Comstream Corporation | Technique for mitigating rain fading in a satellite communications system using quadrature phase shift keying |
US4774707A (en) | 1986-09-10 | 1988-09-27 | General Electric Company | Random access communication system with scheduled data transmission and asynchronous contention scheduling |
US4811200A (en) | 1987-05-12 | 1989-03-07 | Motorola, Inc. | Multiple microprocessor watchdog system |
US4841527A (en) | 1987-11-16 | 1989-06-20 | General Electric Company | Stabilization of random access packet CDMA networks |
US5012469A (en) | 1988-07-29 | 1991-04-30 | Karamvir Sardana | Adaptive hybrid multiple access protocols |
US5121387A (en) | 1988-08-26 | 1992-06-09 | Scientific Atlanta | Link utilization control mechanism for demand assignment satellite communications network |
US5172375A (en) | 1989-06-22 | 1992-12-15 | Nec Corporation | Multiple access satellite communication system for mini-earth station networks |
US5446756A (en) | 1990-03-19 | 1995-08-29 | Celsat America, Inc. | Integrated cellular communications system |
US5166929A (en) | 1990-06-18 | 1992-11-24 | Northern Telecom Limited | Multiple access protocol |
US5119042A (en) | 1990-08-30 | 1992-06-02 | Hughes Aircraft Company | Solid state power amplifier with dynamically adjusted operating point |
US5159592A (en) | 1990-10-29 | 1992-10-27 | International Business Machines Corporation | Network address management for a wired network supporting wireless communication to a plurality of mobile users |
US5216427A (en) | 1990-11-01 | 1993-06-01 | California Institute Of Technology | Land-mobile satellite communication system |
US5297144A (en) | 1991-01-22 | 1994-03-22 | Spectrix Corporation | Reservation-based polling protocol for a wireless data communications network |
US5239677A (en) | 1991-07-01 | 1993-08-24 | Motorola, Inc. | Method and apparatus for initiating communication on an assigned frequency |
US5276703A (en) | 1992-01-13 | 1994-01-04 | Windata, Inc. | Wireless local area network communications system |
US5345583A (en) | 1992-05-13 | 1994-09-06 | Scientific-Atlanta, Inc. | Method and apparatus for momentarily interrupting power to a microprocessor to clear a fault state |
JPH0629910A (en) | 1992-07-09 | 1994-02-04 | Nec Corp | Inter radio base station synchronization system |
JPH07107994B2 (en) | 1992-08-27 | 1995-11-15 | 日本電気株式会社 | Access method |
US5381443A (en) | 1992-10-02 | 1995-01-10 | Motorola Inc. | Method and apparatus for frequency hopping a signalling channel in a communication system |
SE500565C2 (en) | 1992-10-26 | 1994-07-18 | Ericsson Telefon Ab L M | Method of providing random access in a mobile radio system |
JPH0738613B2 (en) | 1993-03-30 | 1995-04-26 | 日本電気株式会社 | Complex data communication system and device used for this system |
US5384777A (en) | 1993-04-19 | 1995-01-24 | International Business Machines Corporation | Adaptive medium access control scheme for wireless LAN |
US5696903A (en) | 1993-05-11 | 1997-12-09 | Norand Corporation | Hierarchical communications system using microlink, data rate switching, frequency hopping and vehicular local area networking |
JP2556254B2 (en) | 1993-05-12 | 1996-11-20 | 日本電気株式会社 | Burst transmission timing control method |
FI933129A0 (en) | 1993-07-08 | 1993-07-08 | Nokia Mobile Phones Ltd | DATAOEVERFOERINGSFOERFARANDE FOER ETT DIGITALT CELLULAERT MOBILTELEFONSYSTEM OCH ETT DIGITALT CELLULAERT MOBILTELEFONSYSTEM |
JPH07115428A (en) | 1993-10-20 | 1995-05-02 | Hitachi Ltd | Remote power control system |
US5485464A (en) | 1993-10-21 | 1996-01-16 | Hughes Aircraft Company | Communication protocol for a high data rate satellite communication system |
US5490087A (en) | 1993-12-06 | 1996-02-06 | Motorola, Inc. | Radio channel access control |
US5539730A (en) | 1994-01-11 | 1996-07-23 | Ericsson Ge Mobile Communications Inc. | TDMA/FDMA/CDMA hybrid radio access methods |
US5677909A (en) | 1994-05-11 | 1997-10-14 | Spectrix Corporation | Apparatus for exchanging data between a central station and a plurality of wireless remote stations on a time divided commnication channel |
US5537397A (en) | 1994-06-07 | 1996-07-16 | Aloha Networks, Inc. | Spread aloha CDMA data communications |
US5704038A (en) | 1994-09-30 | 1997-12-30 | Itt Automotive Electrical Systems, Inc. | Power-on-reset and watchdog circuit and method |
EP0709982B1 (en) | 1994-10-26 | 2004-06-30 | International Business Machines Corporation | Medium access control scheme for wireless LAN using a variable length interleaved time division frame |
US5570355A (en) | 1994-11-17 | 1996-10-29 | Lucent Technologies Inc. | Method and apparatus enabling synchronous transfer mode and packet mode access for multiple services on a broadband communication network |
JP2856086B2 (en) | 1994-12-26 | 1999-02-10 | 日本電気株式会社 | Satellite channel access method |
US5638361A (en) | 1995-02-08 | 1997-06-10 | Stanford Telecommunications, Inc. | Frequency hopped return link with net entry channel for a satellite personal communications system |
EP0735690B1 (en) | 1995-03-29 | 2005-06-15 | Siemens Aktiengesellschaft | Method for controlling power of radio apparatuses |
US5586121A (en) | 1995-04-21 | 1996-12-17 | Hybrid Networks, Inc. | Asymmetric hybrid access system and method |
IL117831A0 (en) * | 1995-04-21 | 1996-08-04 | Qualcomm Inc | Temperature compensated automatic gain control |
US5732328A (en) | 1995-04-25 | 1998-03-24 | Lucent Technologies Inc. | Method for power control in wireless networks for communicating multiple information classes |
US5651009A (en) | 1995-05-02 | 1997-07-22 | Motorola, Inc. | System and method for hybrid contention/polling protocol collision resolution using a depth first search technique |
GB2315200B (en) | 1995-05-08 | 2000-06-21 | Compuserve Inc | System for electronic messaging via wireless devices |
TW292365B (en) | 1995-05-31 | 1996-12-01 | Hitachi Ltd | Computer management system |
GB2301737A (en) | 1995-06-02 | 1996-12-11 | Dsc Communications | Method of Transmitting Information in a Wireless Telecommunications System |
US5809093A (en) | 1995-06-02 | 1998-09-15 | Dsc Communications Corporation | Apparatus and method of frame aligning information in a wireless telecommunications system |
US5745485A (en) | 1995-06-19 | 1998-04-28 | Aloha Networks, Inc. | Dual code multiple access for wireless data networks |
US5638371A (en) | 1995-06-27 | 1997-06-10 | Nec Usa, Inc. | Multiservices medium access control protocol for wireless ATM system |
US5790939A (en) | 1995-06-29 | 1998-08-04 | Hughes Electronics Corporation | Method and system of frame timing synchronization in TDMA based mobile satellite communication system |
US5710982A (en) | 1995-06-29 | 1998-01-20 | Hughes Electronics | Power control for TDMA mobile satellite communication system |
JP3435908B2 (en) | 1995-07-05 | 2003-08-11 | 松下電器産業株式会社 | Digital wireless communication device |
US5678208A (en) | 1995-07-19 | 1997-10-14 | Motorola, Inc. | Transmission system |
US5706278A (en) | 1995-07-20 | 1998-01-06 | Raytheon Company | Deterministic network protocol |
US5541924A (en) | 1995-07-28 | 1996-07-30 | Motorola, Inc. | Method and device for channel contention and data transmission for packet-switched subscriber units in a communication system |
US5642354A (en) | 1995-09-01 | 1997-06-24 | Motorola, Inc. | Enhanced access burst in a wireless communication system |
US5615212A (en) | 1995-09-11 | 1997-03-25 | Motorola Inc. | Method, device and router for providing a contention-based reservation mechanism within a mini-slotted dynamic entry polling slot supporting multiple service classes |
US5768254A (en) | 1995-09-29 | 1998-06-16 | Lucent Technologies Inc. | Multiple access cellular communication with signal cancellation to reduce co-channel interference |
US5802061A (en) | 1995-10-19 | 1998-09-01 | Cabletron Systems, Inc. | Method and apparatus for network access control with implicit ranging and dynamically assigned time slots |
US5790533A (en) | 1995-10-27 | 1998-08-04 | Motorola, Inc. | Method and apparatus for adaptive RF power control of cable access units |
US5809414A (en) | 1995-11-22 | 1998-09-15 | Northern Telecom Limited | User out-of-range indication for digital wireless systems |
US5790551A (en) | 1995-11-28 | 1998-08-04 | At&T Wireless Services Inc. | Packet data transmission using dynamic channel assignment |
US5966636A (en) | 1995-11-29 | 1999-10-12 | Motorola, Inc. | Method and apparatus for multiple access over randomized slots with collision detection in a cable telephony system |
JPH09200164A (en) | 1996-01-19 | 1997-07-31 | Hitachi Denshi Ltd | Fdma transmitter-receiver |
US5915207A (en) | 1996-01-22 | 1999-06-22 | Hughes Electronics Corporation | Mobile and wireless information dissemination architecture and protocols |
US5822311A (en) | 1996-03-05 | 1998-10-13 | Ericsson Inc. | Random access scheme for mobile satellite communications |
US5734833A (en) | 1996-03-12 | 1998-03-31 | Hewlett-Packard Company | Shared communications channel with enhanced reservation and collision resolution protocols allows any subset of stations to transmit data after collision occured in contention slot |
US5673322A (en) | 1996-03-22 | 1997-09-30 | Bell Communications Research, Inc. | System and method for providing protocol translation and filtering to access the world wide web from wireless or low-bandwidth networks |
US5796726A (en) | 1996-04-08 | 1998-08-18 | Ericsson Inc. | Systems and methods for random access in time division multiple access satellite radiotelephone communications |
US5946602A (en) | 1996-04-11 | 1999-08-31 | Comsat Corporation | Reduction of queuing delays by multiple subgroup assignments |
US5910945A (en) | 1996-04-30 | 1999-06-08 | Trw Inc. | Method and apparatus for synchronizing communications in a satellite based telecommunications system |
US5809400A (en) | 1996-06-21 | 1998-09-15 | Lucent Technologies Inc. | Intermodulation performance enhancement by dynamically controlling RF amplifier current |
US5818887A (en) | 1996-07-26 | 1998-10-06 | Motorola, Inc. | Method for receiving a signal in a digital radio frequency communication system |
US5848064A (en) | 1996-08-07 | 1998-12-08 | Telxon Corporation | Wireless software upgrades with version control |
US5905719A (en) | 1996-09-19 | 1999-05-18 | Bell Communications Research, Inc. | Method and system for wireless internet access |
US5872820A (en) | 1996-09-30 | 1999-02-16 | Intel Corporation | Synchronization in TDMA systems in a non-realtime fashion |
US5909447A (en) | 1996-10-29 | 1999-06-01 | Stanford Telecommunications, Inc. | Class of low cross correlation palindromic synchronization sequences for time tracking in synchronous multiple access communication systems |
US5958018A (en) | 1996-10-30 | 1999-09-28 | Lucent Technologies Inc. | Wireless services data network translating mac address to asynchronous transfer mode (ATM) address |
US5926458A (en) | 1997-01-31 | 1999-07-20 | Bay Networks | Method and apparatus for servicing multiple queues |
US5963557A (en) | 1997-04-11 | 1999-10-05 | Eng; John W. | High capacity reservation multiple access network with multiple shared unidirectional paths |
US6075779A (en) | 1997-06-09 | 2000-06-13 | Lucent Technologies, Inc. | Random access channel congestion control for broadcast teleservice acknowledgment messages |
US5960001A (en) | 1997-06-19 | 1999-09-28 | Siemens Information And Communication Networks, Inc. | Apparatus and method for guaranteeing isochronous data flow on a CSMA/CD network |
US5966412A (en) | 1997-06-30 | 1999-10-12 | Thomson Consumer Electronics, Inc. | Apparatus and method for processing a Quadrature Amplitude Modulated (QAM) signal |
JPH1141643A (en) | 1997-07-04 | 1999-02-12 | Internatl Business Mach Corp <Ibm> | Radio information processing terminal and control method therefor |
US5959982A (en) | 1997-08-29 | 1999-09-28 | Adicom Wireless, Inc. | Method and apparatus for adapting a time division duplex timing device for propagation delay |
JP3061122B2 (en) | 1997-09-04 | 2000-07-10 | 日本電気株式会社 | Transmission control method |
US5940025A (en) * | 1997-09-15 | 1999-08-17 | Raytheon Company | Noise cancellation method and apparatus |
US6567416B1 (en) | 1997-10-14 | 2003-05-20 | Lucent Technologies Inc. | Method for access control in a multiple access system for communications networks |
US5862452A (en) | 1997-10-20 | 1999-01-19 | Motorola, Inc. | Method, access point device and peripheral devices for low complexity dynamic persistence mode for random access in a wireless communication system |
JPH11131633A (en) | 1997-11-01 | 1999-05-18 | Kamano Kensetsu Kk | Charcoal block |
-
1999
- 1999-09-28 US US09/407,641 patent/US6256483B1/en not_active Expired - Lifetime
- 1999-10-27 AU AU13250/00A patent/AU1325000A/en not_active Abandoned
- 1999-10-27 WO PCT/US1999/025167 patent/WO2000025445A1/en active Application Filing
-
2001
- 2001-05-17 US US09/860,035 patent/US20020037705A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20020037705A1 (en) | 2002-03-28 |
WO2000025445A1 (en) | 2000-05-04 |
AU1325000A (en) | 2000-05-15 |
US6256483B1 (en) | 2001-07-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6256483B1 (en) | Method and apparatus for calibration of a wireless transmitter | |
CN1666449B (en) | Transmitter and receiver gain calibration by means of feedback in a transceiver | |
EP1110310B1 (en) | System for improving the dynamic range of transmitter power measurement in a cellular telephone | |
CA1215745A (en) | Transmitter power control circuit | |
US6917823B2 (en) | Cellular telephone | |
EP1374446B1 (en) | System and method for uplink power control | |
RU2393637C2 (en) | Methods for self-calibration in wireless transmitter | |
US20090252255A1 (en) | Predistortion methods and apparatus for polar modulation transmitters | |
CN105027429A (en) | Et system with adjustment for noise | |
US8265581B2 (en) | Transceiver using millimeter-wave | |
US20090011730A1 (en) | Methods and Apparatus for Controlling Power in a Polar Modulation Transmitter | |
US8270916B2 (en) | Methods for tuning and controlling output power in polar transmitters | |
US20070270174A1 (en) | Antenna matching measurement and amplification control | |
US7206591B2 (en) | Toneless telemetry in a wireless system | |
KR100431912B1 (en) | Base station transmitter and cdma mobile communication system comprising the same | |
US9363130B2 (en) | Dynamic digital predistortion for a microwave radio system | |
KR100641527B1 (en) | Method for adaptively controlling amplifier linearization devices | |
KR20030024285A (en) | Operating Point Determination Apparatus and method for High Power Amplifier of Communication and Broadcasting Satellite Transponder | |
US7289777B2 (en) | Power control for non-constant envelope modulation | |
US6904268B2 (en) | Low noise linear transmitter using cartesian feedback | |
US7653365B2 (en) | Method for controlling signal power in transmitter of radio system by weighting, and transmitter therefor | |
EP1463197B1 (en) | A device and method for measuring dependency of output power and for generating a ramp signal for a power amplifier | |
KR100700102B1 (en) | A Method For Maintaining PAR Of Digital Transceiver | |
KR102614853B1 (en) | A repeater for measuring isolation and a method for measuring the same | |
KR0133336B1 (en) | Satelite reperater |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ENP | Entry into the national phase |
Ref country code: AU Ref document number: 2000 13250 Kind code of ref document: A Format of ref document f/p: F |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AL AM AT AU AZ BA BB BG BR BY CA CH CN CR CU CZ DE DK DM EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG UZ VN YU ZA ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
AK | Designated states |
Kind code of ref document: C2 Designated state(s): AE AL AM AT AU AZ BA BB BG BR BY CA CH CN CR CU CZ DE DK DM EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG UZ VN YU ZA ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: C2 Designated state(s): GH GM KE LS MW SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG |
|
COP | Corrected version of pamphlet |
Free format text: PAGES 1/9-9/9, DRAWINGS, REPLACED BY NEW PAGES 1/10-10/10; DUE TO LATE TRANSMITTAL BY THE RECEIVINGOFFICE |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
122 | Ep: pct application non-entry in european phase |