|7711338||Frequency offset correction based on the presence or absence of a received signal|
The present invention relates to a method for controlling a frequency in a receiver, in particular in a receiver used in a telecommunications system. To keep precise clock frequency even when the synchronization signal from base-station is missing the method compris...
|6275194||Antenna system for a telephone in a vehicle|
An antenna system for a radio telephone in a vehicle that has a primary antenna to realize telephone communication with optimal connection quality connected to the radio telephone by an antenna wire, a secondary antenna that at least allows for telephone ...
|6256511||Dual-mode radio architecture|
This invention relates to a radio transceiver operable in multiple modes. The transceiver is operable, in one embodiment, to communicate with digital and analogue modulation format cellular radio systems. The handset utilizes a novel frequency plan and ar...