|
Match
|
Document |
Document Title |
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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,...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
6665284 |
Apparatus, and associated method, for receiving data at a radio device
Apparatus, and an associated method, for a communication station, such as a mobile station operable pursuant to an IS-95/IS-2000 communication service and an HDR (High Data Rate) data communication...
|
|
|
6662020 |
Arrangement for effecting secure transactions in a communication device
An arrangement for effecting secure transactions having a device interfaced to at least one communications network is proposed. The device has two modes of operation, and includes a controller that...
|
|
|
6662021 |
Mobile communication system having multi-band antenna
A mobile communication system has a multi-band antenna capable of receiving and processing signals of GPS, CDMA, and PCS bands. In the system, a GPS processing section receives a signal of a first...
|
|
|
6658264 |
Wireless communications terminals and methods including multiple entry phonebook for multiple transceivers
A wireless communications terminal includes a first transceiver that communicates with a first wireless communications system such as a cellular communications system. A second transceiver...
|
|
|
6658266 |
Mobile radio apparatus and control circuit thereof
In the present invention, when there is incoming voice call notification from the network in an active state (i.e. in a period in which the packet data is actually transmitted and received and in a...
|
|
|
6658265 |
Matching network for a dual mode RF amplifier
The present invention provides a dual mode amplifier capable of operating in a common (even) mode for one frequency band and a differential (odd) mode for a second frequency band. In the common...
|
|
|
6650868 |
Mobile satellite phone system incorporating symmetrical and non-symmetrical waveform modes
An improved multi-mode telephone for use in an improved satellite communication method and system. The telephone is selectively capable of receiving signals at different carrier bandwidths, such...
|
|
|
6647275 |
Method of and system for dual-technology traffic provisioning in a wireless system
A method of and system for provisioning analog voice channels and digital voice channels in a in dual-technology wireless system that includes both singlemode and dualmode mobile wireless units...
|
|
|
6640091 |
Dual-band output switching high-frequency transmission circuit with a transmission mixer having two outputs
A transmission mixer ( 10 ) has a local input port ( 10 LO ) supplied with a local signal, an intermediate input port ( 10 in ) supplied with an input signal having an input frequency (f in ) a...
|
|
|
6636739 |
Method and system for modeling migration of call traffic in a multiple mode wireless network
A computing system ( 36 ) provides a network designer with a mechanism for modeling migration, or a shift, of call traffic from a first server ( 26 ) operating using a first technology type to a...
|
|
|
6636747 |
Multi-mode radio transmission system
In order to utilize several radio communication systems with a radio terminal 1 , by preparing the common modulator and demodulator part 2 a and reconfigurable modulator and demodulator part 2...
|
|
|
6628962 |
PDA antenna device for switching between antennae of a PDA unit based on detected use condition
A PDA use antenna device comprising a first antenna for use in a first use configuration, a second antenna for use in a second use condition, a control part which discriminates between said first...
|
|
|
6625470 |
Transmitter
A dual band transmitter ( 1 ) including: a lower band power amplifier ( 2 ) and a higher band power amplifier ( 3 ), a lower band transmit path ( 4 ) between the output of the lower band power...
|
|
|
6618585 |
Internet-enable broadcast receiving apparatus
A broadcast receiving apparatus, related apparatus and operation methods, and broadcast and telecommunications signals arranged to support selection and receipt of both radio frequency broadcast...
|
|
|
6615025 |
Dual-mode communication system and voice signal processing method of the same
A dual-mode communication system comprises a compressor for compressing a voice signal in response to a predetermined communication mode and an expander for expanding the compressed voice signal....
|
|
|
6615059 |
Mobile terminal interface
A microphone is provided in a mobile terminal and is connected to a current source when the flip portion of the mobile terminal is open and is disconnected from the current source when the flip...
|
|
|
6609010 |
Dual frequency band transceiver
A dual frequency band transceiver ( 10 ) is provided adapted to be operated into different transmission frequency bands. A control unit ( 8 ) controls a switching ( 6 ) between a first transmission...
|
|
|
6600917 |
Telecommunications network broadcasting of service capabilities
A network prepares a capabilities message which is broadcast by a base station to advise mobile user equipment units of services (radio access technology type, generation, and radio frequency band)...
|
|
|
6600925 |
Process for integrating cordless telephone networks into cellular mobile telephone networks
A process for integrating cordless telephone networks into cellular mobile phone networks by using dual-system terminals which support communication over both a cordless telephone network and a...
|
|
|
6600931 |
Antenna switch assembly, and associated method, for a radio communication station
A switch assembly, and an associated method, for a multi-mode mobile station operable to communicate pursuant to two or more communication services. Selected antenna transducers, or test ports, are...
|
|
|
6594505 |
Mobile telephone system capable of coping with a variety of mobile radio telephone systems by a single mobile radio telephone
A mobile telephone system is capable of coping with a number of different mobile radio telephone systems by a single mobile radio telephone. When a mobile radio telephone exists inside a...
|
|
|
6574489 |
Incoming call notification method and device for a multimode radio device
A multimode radio has: an antenna that transmits and receives calls via radio signals of a plurality of communication modes; receivers that convert the received radio signals to signals for...
|
|
|
6560443 |
Antenna sharing switching circuitry for multi-transceiver mobile terminal and method therefor
Antenna switching circuitry in a multi-transceiver mobile terminal 10 , which features a first switching unit (SW 1 ) which controllably couples a first transceiver port (P 1 ) to either a first...
|
|
|
6556825 |
Method and apparatus for automatic adaptation of communications systems to regional spectrum variations
A method of configuring an RF transceiver to receive a geographic-region specific message within a RF signal from a communications network, includes detecting the geographic-region specific message...
|