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6882860 |
Method for issuing a incoming call alert according to service options in a composite cellular terminal
A composite cellular terminal providing various service options issues different call termination alert tones and different call termination display messages according to types of terminated calls....
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6882861 |
Wireless user terminal and system having signal clipping circuit for switched capacitor sigma delta analog to digital converters
A wireless user terminal ( 42 ) and system ( 40 ) implementing a mixed signal CODEC ( 100 ) including an improved sigma-delta ADC ( 18 ) which limits input signals into a switched capacitor...
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6876863 |
System for protecting AMPS data using CDPD channel
A portable radio telephone handset includes the capability of operating as a data transfer terminal as well as an analog cellular telephone subscriber station. Two modes of operation are available...
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6868281 |
Dual dialing mode wireless telephone
A wireless telephone which includes the functionality to operate in a plurality of dialing modes. When a wireless telephone is powered up and in an idle mode, a telephone user has the option of...
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6865399 |
Mobile telephone apparatus
In a mobile telephone apparatus corresponding to dual-band provided with an RF power module to operate in two kinds of different frequencies, a common harmonics control circuit is provided to the...
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6862460 |
Self-configurable multipurpose modular portable device and methods for configuring same
A self-configurable multipurpose modular portable device and methods for configuring same are provided. Portable device 10 includes a transceiver 20 for wireless communication with a main...
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6850774 |
Portable communications and data terminal operating to optimize receipt of both incoming CDPD and AMPS messages
A portable radio telephone handset operates as a data transfer terminal as well as an analog cellular telephone subscriber station. Two modes of operation, an analog cellular communication mode and...
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6829493 |
Adaptive adjustment of sleep duration to increase standby time in wireless mobile stations
A system for a wireless mobile station is disclosed. The system enables the mobile station to adaptively adjust sleep durations and wakeups during a low power idle mode between paging channel...
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6826413 |
Portable telephone and terminal equipment
The portable telephone (and terminal equipment) according to the present invention comprises operating means 25 having a plurality of input modes and provided with at least one operating keys,...
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6826400 |
Method and apparatus for concurrent monitoring of divergent wireless telecommunication systems
A portable communications subscriber unit operates as a data transfer terminal as well as an analog cellular telephone M-ES. Two modes of operation, an analog cellular communication mode and a...
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6823196 |
Multi-mode communication apparatus and method including multiple transmitter sections
There is provided a communication apparatus including a plurality of radio transmitter sections, which is capable of suppressing unnecessary radiowaves from being generated due to mutual modulation...
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6819940 |
Mobile communications system
A mobile communications system includes mobile communications terminal equipment capable of switching among a plurality of mobile communications systems including the former system, such as a...
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6819920 |
Method and apparatus for accessing supplementary services with a multi-mode wireless device
A method, apparatus, and computer-readable media for accessing supplementary services from a wireless device in a multi-mode environment is disclosed. A master set of service codes for the...
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6813480 |
Voltage controlled attenuator for multi-band and multi-mode transmitter and method thereof
The present invention describes a voltage controlled attenuator (VCA) to control an output power level of a radio frequency (RF) signal and to direct the RF signal to an appropriate path for a...
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6810254 |
Method and apparatus for performing mobile assisted hard handoff between communication systems
A method and apparatus for performing inter-system hard handoff between communication systems or inter-frequency hard handoff within a CDMA communication system is disclosed. The purpose is to...
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6810266 |
Digitally controlled radio back-end
A radio circuit that includes a radio front-end for receiving a radio signal and converting the radio signal to a first intermediate frequency signal and a second intermediate frequency signal. The...
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6804536 |
Wireless communications interface
A wireless communications interface couples wireless service to conventional wireline phone appliances. In one embodiment, the wireless communications interface is connected to the phone appliances...
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6801762 |
Apparatus, and associated method, for placing an emergency call in a radio communication system
Apparatus, and an associated method, for facilitating placement of an emergency call utilizing a mobile station operable selectably in more than one communication system. If the emergency call...
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6795714 |
Multiband antenna switcher
A multiband antenna switch is disclosed in which a matching pad ( 3 ) effects an open-circuit operation of the receiving branch at a circuit node (A) with respect to at least one higher-frequency...
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6782266 |
Method of wireless communication in restricted wireless zones
A method of wireless communication in restricted wireless zones ( 102 ) includes providing a restricted wireless zone communication system ( 104 ) having one or more wireless nodes ( 106 ) and a...
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6782274 |
Method for transmitting radio resource control message in asynchronous mobile communication system
A radio resource control (RRC) message is freely transmitted in an asynchronous mobile communication system regardless of an operating type of a core network. The method for transmitting a radio...
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6778842 |
Portable telephone and data communication control method for portable telephone
A portable telephone includes a speech transmission circuit, data transmission circuit, earphone/microphone detection circuit, and control circuit. The speech transmission circuit performs speech...
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6775556 |
Device and method for processing call between private exchange network and mobile communication network
A system, device and method are provided for processing a call between a private exchange network and a mobile communication network in which a wireless trunk connection system or the like is used....
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6771980 |
Method for dialing in a smart phone
A method for dialing a phone number in a smart phone having both PDA (Personal Digital Assistant) and mobile phone functions during operation of a PDA function, comprising the steps of loading the...
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6766178 |
RF architecture for cellular multi-band telephones
A multi-band RF architecture including a GSM quadrature modulator for modulating an intermediate frequency (IF) wherein the frequency of the modulated IF signal is changed such that each of the...
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6763248 |
Radio network communication system
A radio network communication system includes (a) at least one server storing files therein, (b) at least one client terminal making a request to download a desired file thereto among the files...
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6754285 |
Signal conditioning techniques in DMT-based transmissions
One embodiment of the present invention provides a method for conditioning a signal for transmission in a DMT-based communication system, the method comprising: converting the signal in a digital...
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6754508 |
Multiple-band wireless transceiver with quadrature conversion transmitter and receiver circuits
An architecture for a multiple-band wireless transceiver with quadrature conversion receiver and transmitter circuits. Dual dedicated local oscillators provide the necessary frequency up and down...
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6751472 |
Cell selection in a packet radio network
A method controls the operation of a mobile station, the operation including camping which modellable as a number of states (S 1 to 4 ) with predetermined state transitions (S 12 -S 34 ) between...
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6748246 |
Method and apparatus for selecting an access technology in a multi-mode terminal
Method and apparatus for selecting an access technology in a multi-mode terminal are provided. Information is exchanged between a multi-mode terminal and at least one base station using a first...
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6748237 |
Automated selection of audio broadcast signal source based on user preference criterion
An apparatus, program product, and method automate the selection of audio broadcast signals based upon a user preference criterion, typically by receiving a first audio broadcast signal from a...
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6745046 |
Integrated antenna coupler element
Integrated antenna coupler element, in particular for a multiband terminal of a mobile radio system, with an operating voltage connection, an antenna input/output, a transmit signal input, a...
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6731953 |
Apparatus and method for asymmetrical frequency spectrum utilization in a wireless network
Implementing asymmetrical wireless communications without significant wastage of bandwidth within the up-link block of frequency spectrum is becoming increasingly important. If the frequency...
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6725058 |
Intersystem handover
Inter-system handover, for instance from WCDMA to GSM, is facilitated by transmitting a pilot from each neighboring GSM cell on the WCDMA carrier, thereby avoiding any need for a dual-system mobile...
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6714796 |
Mobile communication terminal device
A mobile communication terminal device comprises: an A/D converter 101 for converting a transmitting analog signal into a transmitting digital signal, a digital filter 109 for applying a...
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6714781 |
Method for enabling receipt of a packet-switched page by a mobile station
A mechanism for notifying a mobile station of receipt of a packet-switched paging message in a GSM communication system. A base station controller ( 108 ) sends the packet-switched paging message...
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6714773 |
Antenna switching in multiple radio terminal
In a multiple portable phone, a first antenna is provided for a first communication system, a second antenna is provided in common to the first communication system and a second communication...
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6711418 |
Wireless personal mobile data terminal receiving a wide-area broadcast and capable of two-way communication in a local area
A wireless personal mobile terminal in a cellular data network includes a packet radio transceiver for communicating with cellular base stations and a paging receiver for receiving paging signals...
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6704581 |
Mobile telecommunication system and method for performing handoff between asynchronous base station and synchronous base station
A mobile telecommunication system for performing a handoff from an asynchronous communication system to a synchronous communication system includes: at least one asynchronous base station; at least...
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6704580 |
Cellular telephone docking system
A docking station includes connectors and a circuit. Each connector receives a different cellular telephone, and the circuit establishes communication between at least one of cellular telephones...
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6704567 |
Wireless communications device and method
The present invention is a wireless device and method capable of being wirelessly connected to one or more network node devices that in turn is connected to one or more of a plurality of wirelines,...
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6697638 |
Intelligent portable phone with dual mode operation for automobile use
A system for operating a cellular phone using Bluetooth with a car kit is described. The Bluetooth protocol is used to communicate between the cellular phone and the car kit. A communication can be...
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6694150 |
Multiple band wireless telephone with multiple antennas
A wireless telephone ( 102 ) includes a telephone transceiver ( 104 ), GPS receiver ( 106 ), and Bluetooth transceiver ( 108 ). The telephone antenna ( 110 ) is external, and the Bluetooth antenna...
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6690681 |
In-band signaling for data communications over digital wireless telecommunications network
An inband signaling modem communicates digital data over a voice channel of a wireless telecommunications network. An input receives digital data. An encoder converts the digital data into audio...
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6681117 |
Switching control device for transmitting cellular phone calls to fixed-network telephone
A switching control device for transmitting calls received by a cellular phone to a fixed-network telephone enables people to receive calls transmitted to a cellular phone by way of a fixed network...
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6681116 |
Communication system
A communication system comprising a first communication node connected to a second communication node by a wireline for integrating parallel layers of wireless communications for exchange with...
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6678518 |
Dynamic content filter in a gateway
An apparatus and a method for dynamically converting data between a mobile station in a wireless communication network and an origin server in a wide area network. The method includes sending from...
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6678517 |
Method and system for providing continuous voice and packet data services to a mobile station
A method and system is provided for providing packet data service and circuit switch service during the same session to a mobile station (MS) whose capabilities do not allow such services to be...
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6675024 |
System and method for receiving analog and digital signals
A system for receiving a transmitted signal is provided. The system includes a first receiver that can receive the transmitted signal and decode the transmitted signal according to a first...
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6668176 |
Fixed wireless terminal
A fixed wireless terminal such as a wireless local loop terminal comprising: memory ( 210 ) storing characteristics for at least one network, means ( 214, 220 ) for accepting network information...
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