WO1998051108A2 - Hand-held cellular telephone with power management features - Google Patents
Hand-held cellular telephone with power management features Download PDFInfo
- Publication number
- WO1998051108A2 WO1998051108A2 PCT/US1998/008134 US9808134W WO9851108A2 WO 1998051108 A2 WO1998051108 A2 WO 1998051108A2 US 9808134 W US9808134 W US 9808134W WO 9851108 A2 WO9851108 A2 WO 9851108A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- power
- hand
- held
- power level
- maximum
- Prior art date
Links
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
- H04W52/30—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
- H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
-
- 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
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
-
- 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
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
- H04W52/0277—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof according to available power supply, e.g. switching off when a low battery condition is detected
-
- 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
Definitions
- the present invention relates generally to the field of mobile radio communication devices and more particularly to a method and apparatus for controlling the transmit power level in a mobile communication device.
- the range of a radio communication link for example the radio link used to connect a
- hand-held cellular telephone to a cellular base station depends on a number of factors.
- receiver sensitivity at the base station receives a signal from the base station and a signal from the base station.
- antenna gain at the receiver receives a signal from the base station.
- the docking station or cradle makes external power available, often by way of an integral battery charger, thereby
- a cellular base station measures the strength of the incoming signal it receives from the mobile unit, and instructs the mobile unit to adjust its
- terminal power is
- a terminal designed for operation with a GSM generally categorized by class.
- the external booster provides a second (external to the terminal) RF power amplifier
- PA second power amplifier
- the booster work as a Class- 1 device within the cellular system.
- the second PA boosts the
- an external booster comprising two duplexers, an RF power amplifier, a
- the terminal Upon insertion into the cradle, the terminal increases
- the present invention provides a mobile radio telephone which includes power control logic to limit the maximum transmit power of the mobile telephone when it is operated in a
- the transmit power of the mobile terminal is set in response to power
- control codes received from a base station In the preferred embodiment, the power control
- codes are mobile attenuation codes which correspond to pre-defined power levels.
- levels include a maximum transmit power level and a plurality of lower power levels.
- the mobile terminal is operated in a hand-held mode, one of the lower power levels is
- the mobile terminal determines whether the unit is
- the transmit power level is set equal to the maximum hand-held transmit
- the transmit power level is set to the power level designated
- the power levels associated with the various mobile attenuation are the power levels associated with the various mobile attenuation
- codes are optionally reduced for hand-held use by menu-driven user input or in automatic
- FIGURE 1 is a block diagram of a mobile terminal according to the present invention.
- FIGURE 2 is a flow diagram of the power control logic for the mobile terminal.
- FIGURES 3 A AND 3B are a flow diagram of the power control logic wherein the
- power cap is varied based on a selection by a user.
- FIGURES 4A AND 4B are a flow diagram of the power control logic wherein the
- power cap is varied based on the state of the battery.
- the hand-held mobile terminal 10 is a fully functional, battery powered, mobile transceiver capable of sending and receiving voice and/or data
- the hand-held mobile terminal 10 may also be inserted into a cradle in a vehicle or
- the hand-held mobile terminal 10 of the present invention is
- the mobile terminal 10 includes a microprocessor 12 for controlling the operation of
- the mobile terminal 10 and a program memory 14 for storing programs used by the mobile
- the microprocessor 12 is interfaced by a system bus 16 with a keypad 18,
- the keypad 18 controls the display 20, audio processing circuits 22, receiver 24, and transmitter 26.
- the keypad 18 controls the display 20, audio processing circuits 22, receiver 24, and transmitter 26.
- the display 20 provide a user interface.
- the receiver 24 and transmitter 26 are coupled to an
- circuit 22 provides basic analog audio outputs to a speaker 34 and accepts analog audio inputs from a microphone 32. Received signals picked up by the antenna 30 are demodulated and
- the transmitter 26 encodes and modulates signals passed to it by
- the output of the transmitter 26 is amplified by a power
- the power amplifier 36 which is controlled by a power control unit 38.
- the power amplifier 36 and power control unit 38 determine the power level at which the signal is transmitted.
- the control and signaling unit 12 performs most of the control functions of the radio
- the control and signaling unit 12 is the control and signaling unit 12
- the base station determines the appropriate power level for the mobile
- the base station sends power control signals to the mobile terminal 10.
- the power control signals are sent via the slow Associated Content Channel (SACCH) or the
- FACCH Fast Associated Control Channel
- the power control signals transmitted by the base station to the mobile terminal 10 are identical to the power control signals transmitted by the base station to the mobile terminal 10.
- MAC mobile attenuation code
- the mobile terminal 10 When the mobile terminal 10 receives a power control signal from the base station, it is a power control signal from the base station.
- the power control module 38 includes a series of attenuators or other components for
- the power amplifier 36 may be a single
- stage amplifier or a multiple-stage amplifier. If a multiple stage amplifier is used, the power
- control module 38 could include multiple bias adjustments and attenuators for controlling the
- the hand-held terminal 10 includes power limiting logic to effectively limit the
- the maximum hand-held power level is
- mobile terminal 10 is inserted into a cradle of a vehicle or attached to a docking station having
- the power level is adjusted according to the MAC for all values.
- the mobile terminal 10 would have a maximum transmit power of 2 dbW when docked to a cradle or other docking station.
- FIG. 2 is a flow diagram showing the power control logic used by the mobile
- the MAC is compared with values 000 and 001 (block 202), both of
- the power control logic checks the status of the
- the MAC adjusts RF power according to the MAC( block 204). If the power-inhibit flag is set to one, which indicates hand-held use, the MAC is revised from 000 or 001 to 010 (block 208), and
- the power control logic adjusts power according to the revised MAC (block 204).
- the power-inhibit flag is set as follows. In the preferred embodiment, the presence of
- Hand-held status is indicated by the
- the power inhibit flag is set equal to 1. Otherwise, the power inhibit flag is set
- the power control logic can be modified to allow the user the option of selecting a
- the mobile terminal 10 can interact with the mobile terminal 10 using the keypad 18 and display 20 to select a
- the user can select one of three power caps: A, B, and C. If option A is selected, the terminal's power is capped by limiting the MAC to 0 1 1, which
- the terminal's power is capped by limiting the MAC to 100, which corresponds to - 10 db W or
- the MAC to 1 0 1, which corresponds to - 14 dbW or approximately 0.040 Watts. If no option is selected, the hand-held power is limited to a default value of -2 dbW.
- Figures 3A and 3B show the power control logic for a mobile terminal having a user-
- the terminal waits for a MAC from the base station.
- a MAC is
- the mobile terminal 10 checks the power inhibit flag (block 302). If the
- the mobile terminal 10 determines whether the user has activated a power cap
- the MAC (block 308) and revises the MAC if it has a value of 000 or 001 (block 310). If the
- the power level is adjusted according to the
- the mobile terminal 10 determines the option
- the mobile terminal 10 After determining the option selected, the mobile terminal 10 checks the value of
- the MAC (blocks 314, 318, 322).
- the MAC is revised for specified values (blocks 316, 320,
- the mobile terminal 10 then adjusts the power level
- battery states B5 and B4 are logically
- battery states B3 and B2 are coupled to power option B, and
- Figures 4A and 4B show the power control logic for a mobile terminal having a power cap logically coupled to the terminal's battery state. The terminal waits for a MAC from the
- the mobile terminal 10 checks the power
- the mobile terminal 10 determines whether the
- the mobile terminal checks the value of the MAC (block 408) and revises the MAC if it has a
- power level is adjusted according to the MAC (block 404).
- the mobile terminal 10 determines the state of
- MAC is revised for specified values (blocks 416, 420, 424) and otherwise remains unchanged.
- the mobile terminal 10 then adjusts the power level according to the MAC (block 404).
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU72543/98A AU7254398A (en) | 1997-05-02 | 1998-04-22 | Hand-held cellular telephone with power management features |
JP54812698A JP2001523427A (en) | 1997-05-02 | 1998-04-22 | Handheld cellular telephone with power management function |
HK00105201A HK1026086A1 (en) | 1997-05-02 | 2000-08-18 | Hand-held cellular telephone with power management features |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/850,913 US6029074A (en) | 1997-05-02 | 1997-05-02 | Hand-held cellular telephone with power management features |
US08/850,913 | 1997-05-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1998051108A2 true WO1998051108A2 (en) | 1998-11-12 |
WO1998051108A3 WO1998051108A3 (en) | 1999-03-11 |
Family
ID=25309435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1998/008134 WO1998051108A2 (en) | 1997-05-02 | 1998-04-22 | Hand-held cellular telephone with power management features |
Country Status (6)
Country | Link |
---|---|
US (1) | US6029074A (en) |
JP (1) | JP2001523427A (en) |
CN (1) | CN1108020C (en) |
AU (1) | AU7254398A (en) |
HK (1) | HK1026086A1 (en) |
WO (1) | WO1998051108A2 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001017141A1 (en) * | 1999-08-31 | 2001-03-08 | Qualcomm Incorporated | System and method for power measurement in outdoor antenna units |
WO2006049441A1 (en) | 2004-11-04 | 2006-05-11 | Lg Electronics Inc. | Mobile power handling method and apparatus |
US8023984B2 (en) | 2003-10-06 | 2011-09-20 | Research In Motion Limited | System and method of controlling transmit power for mobile wireless devices with multi-mode operation of antenna |
EP2645787A3 (en) * | 2012-03-30 | 2015-08-19 | Samsung Electro-Mechanics Co., Ltd | Portable router with variable wi-fi transmission power, and method of reducing power consumption thereof |
EP2388911B1 (en) * | 2010-05-20 | 2018-06-27 | Lg Electronics Inc. | Mobile terminal with control of a driving voltage of a power amplifier therein |
EP2290780B1 (en) * | 2009-09-01 | 2019-11-06 | BlackBerry Limited | A wireless communication device with a programmable battery |
Families Citing this family (70)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2323726B (en) * | 1997-03-27 | 1999-05-26 | Nokia Telecommunications Oy | Power control of RF signals |
US6580908B1 (en) | 1997-07-16 | 2003-06-17 | Mark W. Kroll | Generic number cellular telephone |
KR100289284B1 (en) * | 1997-12-27 | 2001-05-02 | 박종섭 | Apparatus for controlling forward power of bts of mobile communication system and control method therefor |
US6819937B2 (en) * | 1998-06-30 | 2004-11-16 | Nokia Corporation | Data transmission in a TDMA system |
US6259901B1 (en) | 1998-07-03 | 2001-07-10 | Mobile Communications Tokyo Inc. | Radio-frequency power amplifier of mobile communication equipment |
US6269239B1 (en) * | 1998-12-11 | 2001-07-31 | Nortel Networks Corporation | System and method to combine power control commands during soft handoff in DS/CDMA cellular systems |
JP3334753B2 (en) * | 1999-06-15 | 2002-10-15 | 日本電気株式会社 | Mobile terminal, mobile communication system, and method for suppressing power consumption of mobile terminal |
US6487420B1 (en) * | 1999-10-15 | 2002-11-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Adaptive rach power determination for mobile telecommunications user equipment unit |
JP2001186251A (en) * | 1999-12-27 | 2001-07-06 | Nec Corp | Portable information terminal device and method for controlling power source power supply |
US7062302B2 (en) * | 2000-05-12 | 2006-06-13 | Denso Corporation | Mobile terminal having power saving function variable with microphone usage conditions |
US6741066B1 (en) * | 2000-09-21 | 2004-05-25 | O2Micro International Limited | Power management for battery powered appliances |
US7564220B2 (en) * | 2000-09-21 | 2009-07-21 | O2Micro International Ltd. | Method and electronic circuit for efficient battery wake up charging |
US7348760B2 (en) * | 2000-09-21 | 2008-03-25 | O2Micro International Limited | Power management topologies |
US20040145348A1 (en) * | 2000-09-21 | 2004-07-29 | Constantin Bucur | Power management topologies |
US6807165B2 (en) | 2000-11-08 | 2004-10-19 | Meshnetworks, Inc. | Time division protocol for an ad-hoc, peer-to-peer radio network having coordinating channel access to shared parallel data channels with separate reservation channel |
US7072650B2 (en) * | 2000-11-13 | 2006-07-04 | Meshnetworks, Inc. | Ad hoc peer-to-peer mobile radio access system interfaced to the PSTN and cellular networks |
US6873839B2 (en) | 2000-11-13 | 2005-03-29 | Meshnetworks, Inc. | Prioritized-routing for an ad-hoc, peer-to-peer, mobile radio access system |
US20020098803A1 (en) * | 2000-12-20 | 2002-07-25 | Matthew Poulton | Apparatus for providing variable control of the gain of an RF amplifier |
JP4087574B2 (en) * | 2001-01-26 | 2008-05-21 | 株式会社エヌ・ティ・ティ・ドコモ | Mobile device, communication system, and transmission method |
US7151769B2 (en) * | 2001-03-22 | 2006-12-19 | Meshnetworks, Inc. | Prioritized-routing for an ad-hoc, peer-to-peer, mobile radio access system based on battery-power levels and type of service |
US7225353B1 (en) * | 2001-10-03 | 2007-05-29 | Palm, Inc. | Information preservation on a portable electronic device |
US6892080B2 (en) * | 2001-11-27 | 2005-05-10 | Arrista Technologies, Inc. | Booster amplifier for cellular telephone cradles |
US6647273B2 (en) * | 2001-12-28 | 2003-11-11 | Nokia Corporation | Method and apparatus for reducing power consumption in transceivers in wireless communications systems having a power control loop |
JP3943980B2 (en) * | 2002-04-09 | 2007-07-11 | 富士通株式会社 | Code division multiple access communication system, and base station controller and base station in code division multiple access communication system |
TW556421B (en) * | 2002-08-15 | 2003-10-01 | Htc Corp | Circuit and operating method for integrated interface of PDA and wireless communication system |
US20060171335A1 (en) * | 2005-02-03 | 2006-08-03 | Michael Yuen | Backup channel selection in wireless LANs |
DE10244462A1 (en) * | 2002-09-24 | 2004-04-01 | Siemens Ag | Method for registering a mobile terminal at an access point of a local communication network and access point and terminal for carrying out the method |
JP2004207840A (en) * | 2002-12-24 | 2004-07-22 | Nec Corp | Method of managing radio resource, managing apparatus used therefor, base station and terminal |
US7869822B2 (en) * | 2003-02-24 | 2011-01-11 | Autocell Laboratories, Inc. | Wireless network apparatus and system field of the invention |
US7221943B2 (en) | 2003-02-24 | 2007-05-22 | Autocell Laboratories, Inc. | Wireless station protocol program |
US7010329B2 (en) * | 2003-03-11 | 2006-03-07 | Interdigital Technology Corp. | System and method for battery conservation with assistance from the network and radio resource management |
US7079904B1 (en) | 2003-09-12 | 2006-07-18 | Itt Manufacturing Enterprises, Inc. | Adaptive software management |
US7136667B2 (en) * | 2003-10-28 | 2006-11-14 | Nokia Corporation | Method and radio terminal equipment arrangement for power control, radio terminal equipment and secondary terminal unit |
KR100595652B1 (en) * | 2004-02-12 | 2006-07-03 | 엘지전자 주식회사 | Transmission power control apparatus and method for mobile communication terminal |
US7606590B2 (en) * | 2004-04-07 | 2009-10-20 | Atc Technologies, Llc | Satellite/hands-free interlock systems and/or companion devices for radioterminals and related methods |
BRPI0518340B1 (en) | 2004-11-19 | 2018-12-04 | Huawei Tech Co Ltd | hot standby redundancy system and method for radio frequency power amplifier |
US20060171304A1 (en) * | 2005-02-03 | 2006-08-03 | Hill David R | WLAN background scanning |
US20060171305A1 (en) * | 2005-02-03 | 2006-08-03 | Autocell Laboratories, Inc. | Access point channel forecasting for seamless station association transition |
US8559896B2 (en) * | 2005-06-30 | 2013-10-15 | Harris Stratex Networks, Inc. | System and method for radio power level control |
US8411616B2 (en) | 2005-11-03 | 2013-04-02 | Piccata Fund Limited Liability Company | Pre-scan for wireless channel selection |
DE102006056342B4 (en) * | 2005-11-30 | 2011-07-14 | VTECH Telecommunications, Ltd., New Territory | System and method for registering a wireless handset |
DE102006008463A1 (en) * | 2006-02-17 | 2007-08-23 | Kaco Gmbh + Co. Kg | Test device for detecting the vapor emission at at least one leakage point, preferably in mechanical seals, in particular in the automotive sector |
US8666460B2 (en) * | 2006-05-05 | 2014-03-04 | Analog Devices, Inc. | Method and apparatus for controlling a portable device |
KR100765790B1 (en) * | 2006-06-30 | 2007-10-12 | 삼성전자주식회사 | Method and apparatus for providing variable power in mobile device |
CN100446603C (en) * | 2006-07-07 | 2008-12-24 | 华为技术有限公司 | Mobile terminal power consumption control system and method |
US7881682B2 (en) * | 2007-01-29 | 2011-02-01 | Hewlett-Packard Development Company, L.P. | System and method for configuring a wireless module power limit |
US10027789B2 (en) | 2007-02-13 | 2018-07-17 | Google Llc | Modular wireless communicator |
US7970433B2 (en) | 2007-06-08 | 2011-06-28 | Modu Ltd. | SD switch box in a cellular handset |
US8391921B2 (en) | 2007-02-13 | 2013-03-05 | Google Inc. | Modular wireless communicator |
KR20090032270A (en) * | 2007-09-27 | 2009-04-01 | 삼성전자주식회사 | Apparatus for controling power in a wireless mobile terminal |
US20090143044A1 (en) * | 2007-11-30 | 2009-06-04 | Motorola, Inc. | Method and apparatus for operating a wireless communication device in an electromagnetically sensitive environment |
US8258942B1 (en) | 2008-01-24 | 2012-09-04 | Cellular Tracking Technologies, LLC | Lightweight portable tracking device |
US8412226B2 (en) | 2008-06-24 | 2013-04-02 | Google Inc. | Mobile phone locator |
US8238961B2 (en) | 2008-09-03 | 2012-08-07 | Google Inc. | Low radiation wireless communicator |
CN101446838B (en) * | 2008-12-24 | 2012-06-27 | 华为技术有限公司 | Method and device for controlling power consumption of electronic device |
US20110223963A1 (en) * | 2010-03-12 | 2011-09-15 | Quantance, Inc. | Maximum transmit power controller |
EP2453707A1 (en) * | 2010-11-12 | 2012-05-16 | ST-Ericsson SA | Process for fine control of the transmission power in the uplink communication channel by the UE |
CN101990285B (en) * | 2010-12-02 | 2013-09-04 | 惠州Tcl移动通信有限公司 | Power control method and device of terminal |
US8564447B2 (en) * | 2011-03-18 | 2013-10-22 | Medtronic Minimed, Inc. | Battery life indication techniques for an electronic device |
CN102740421B (en) * | 2011-04-15 | 2017-10-27 | 中兴通讯股份有限公司 | A kind of Poewr control method and system |
US9078070B2 (en) | 2011-05-24 | 2015-07-07 | Analog Devices, Inc. | Hearing instrument controller |
KR20140053183A (en) * | 2011-07-11 | 2014-05-07 | 알피티 커뮤니케이션즈 인크. | Mobile device docking station |
US9507399B2 (en) | 2012-04-24 | 2016-11-29 | Analog Devices, Inc. | Accelerometer-controlled master power switch for electronic devices |
US9329662B2 (en) * | 2012-08-29 | 2016-05-03 | Nokia Technologies Oy | Enhanced power saving optimized configuration handling |
US9386529B2 (en) * | 2012-09-06 | 2016-07-05 | Schweitzer Engineering Laboratories, Inc. | Power management in a network of stationary battery powered control, automation, monitoring and protection devices |
JP6133602B2 (en) * | 2013-01-18 | 2017-05-24 | 株式会社Nttドコモ | User apparatus, base station, switching control method, and scheduling control method |
CN104105190A (en) * | 2013-04-07 | 2014-10-15 | 深圳富泰宏精密工业有限公司 | Mobile phone transmission power back-off system and method |
US10459025B1 (en) | 2018-04-04 | 2019-10-29 | Schweitzer Engineering Laboratories, Inc. | System to reduce start-up times in line-mounted fault detectors |
US11105834B2 (en) | 2019-09-19 | 2021-08-31 | Schweitzer Engineering Laboratories, Inc. | Line-powered current measurement device |
CN113301614A (en) * | 2020-02-21 | 2021-08-24 | 华为技术有限公司 | Method and device for controlling RF link |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4636741A (en) * | 1985-11-01 | 1987-01-13 | Motorola, Inc. | Multi-level power amplifying circuitry for portable radio transceivers |
EP0331435A2 (en) * | 1988-02-29 | 1989-09-06 | Kabushiki Kaisha Toshiba | Radio telephone apparatus |
WO1993001659A1 (en) * | 1991-07-12 | 1993-01-21 | Motorola, Inc. | Radio mode responsive to the position of a moveable antenna |
US5457814A (en) * | 1993-10-02 | 1995-10-10 | Nokia Mobile Phones Ltd. | Power boost system for cellular telephone |
US5497507A (en) * | 1991-09-27 | 1996-03-05 | Matsushita Electric Industrial Co., Ltd. | Portable wireless telephone apparatus with use specific power monitoring |
WO1996034461A1 (en) * | 1995-04-28 | 1996-10-31 | Telefonaktiebolaget Lm Ericsson (Publ) | Antenna guided power control |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0644716B2 (en) * | 1984-08-14 | 1994-06-08 | 日本電気株式会社 | Wireless communication device |
JPH0728231B2 (en) * | 1989-04-10 | 1995-03-29 | 三菱電機株式会社 | Booster device and radio connected to the booster device |
US5303395A (en) * | 1991-11-06 | 1994-04-12 | Mitsubishi Consumer Electronics America, Inc. | Power control with a constant gain amplifier for portable radio transceivers |
-
1997
- 1997-05-02 US US08/850,913 patent/US6029074A/en not_active Expired - Lifetime
-
1998
- 1998-04-22 AU AU72543/98A patent/AU7254398A/en not_active Abandoned
- 1998-04-22 JP JP54812698A patent/JP2001523427A/en active Pending
- 1998-04-22 CN CN98804717A patent/CN1108020C/en not_active Expired - Fee Related
- 1998-04-22 WO PCT/US1998/008134 patent/WO1998051108A2/en active Application Filing
-
2000
- 2000-08-18 HK HK00105201A patent/HK1026086A1/en not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4636741A (en) * | 1985-11-01 | 1987-01-13 | Motorola, Inc. | Multi-level power amplifying circuitry for portable radio transceivers |
EP0331435A2 (en) * | 1988-02-29 | 1989-09-06 | Kabushiki Kaisha Toshiba | Radio telephone apparatus |
WO1993001659A1 (en) * | 1991-07-12 | 1993-01-21 | Motorola, Inc. | Radio mode responsive to the position of a moveable antenna |
US5497507A (en) * | 1991-09-27 | 1996-03-05 | Matsushita Electric Industrial Co., Ltd. | Portable wireless telephone apparatus with use specific power monitoring |
US5457814A (en) * | 1993-10-02 | 1995-10-10 | Nokia Mobile Phones Ltd. | Power boost system for cellular telephone |
WO1996034461A1 (en) * | 1995-04-28 | 1996-10-31 | Telefonaktiebolaget Lm Ericsson (Publ) | Antenna guided power control |
Non-Patent Citations (2)
Title |
---|
M. MOULY ET AL.: "THE GSM SYSTEM FOR MOBILE COMMUNICATIONS" 1993 , MOULY M AND PAUTET M-B , 91120 PALAISEAU, FRANCE XP002089200 200240 PAGES 342 - 346 see section 6.1.5.1 * |
PRATT R E ET AL: "RF POWER CONFIGURATION METHOD FOR BATTERY EQUIPPED PORTABLE RADIOS" MOTOROLA TECHNICAL DEVELOPMENTS, vol. 24, 1 March 1995, pages 75-77, XP000500350 * |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6337975B1 (en) | 1999-04-02 | 2002-01-08 | Qualcomm Inc. | System and method for power measurement in outdoor antenna units |
WO2001017141A1 (en) * | 1999-08-31 | 2001-03-08 | Qualcomm Incorporated | System and method for power measurement in outdoor antenna units |
US8023984B2 (en) | 2003-10-06 | 2011-09-20 | Research In Motion Limited | System and method of controlling transmit power for mobile wireless devices with multi-mode operation of antenna |
WO2006049441A1 (en) | 2004-11-04 | 2006-05-11 | Lg Electronics Inc. | Mobile power handling method and apparatus |
EP1807944A1 (en) * | 2004-11-04 | 2007-07-18 | LG Electronics Inc. | Mobile power handling method and apparatus |
EP1807944A4 (en) * | 2004-11-04 | 2009-08-05 | Lg Electronics Inc | Mobile power handling method and apparatus |
EP2290780B1 (en) * | 2009-09-01 | 2019-11-06 | BlackBerry Limited | A wireless communication device with a programmable battery |
EP2568568B1 (en) * | 2009-09-01 | 2020-04-22 | BlackBerry Limited | A method for wireless communication with a wireless communication device comprising a programmable battery |
EP2388911B1 (en) * | 2010-05-20 | 2018-06-27 | Lg Electronics Inc. | Mobile terminal with control of a driving voltage of a power amplifier therein |
EP2645787A3 (en) * | 2012-03-30 | 2015-08-19 | Samsung Electro-Mechanics Co., Ltd | Portable router with variable wi-fi transmission power, and method of reducing power consumption thereof |
Also Published As
Publication number | Publication date |
---|---|
CN1108020C (en) | 2003-05-07 |
CN1254458A (en) | 2000-05-24 |
US6029074A (en) | 2000-02-22 |
AU7254398A (en) | 1998-11-27 |
JP2001523427A (en) | 2001-11-20 |
WO1998051108A3 (en) | 1999-03-11 |
HK1026086A1 (en) | 2000-12-01 |
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