Single chip solution for multimedia GSM mobile station systems
First Claim
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1. A single chip semiconductor device useful in a GSM mobile station system which includes an RF module for transmitting and receiving radio signals, the semiconductor device comprising:
- a source coding bank ("SCB") having a data port interface in electrical communication with a data codec, an audio interface in electrical communication with a speech codec, and a video interface having digital-to-analog and analog-to-digital converters in electrical communication with a video codec;
a control-radio interface ("CRI") having a source codec selector in electrical communication with the data codec, the speech codec and the video codec;
a radio transceiver ("RTX") in electrical communication with the CRI via an RTX control interface, the RTX having a baseband interface coupled to the RF module.
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Abstract
According to the present invention, a single chip semiconductor devices is provided. In one version of the invention, a single chip CMOS technology architecture is used to implement all or various combinations of baseband radio transmission, baseband interfaces and filtering, source coding, source interfaces and filtering, control and supervision, power and clock management, keyboard and display drivers, memory management and code compaction, digital signal processing ("DSP") and DSP memory and radio interface functions.
33 Citations
25 Claims
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1. A single chip semiconductor device useful in a GSM mobile station system which includes an RF module for transmitting and receiving radio signals, the semiconductor device comprising:
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a source coding bank ("SCB") having a data port interface in electrical communication with a data codec, an audio interface in electrical communication with a speech codec, and a video interface having digital-to-analog and analog-to-digital converters in electrical communication with a video codec; a control-radio interface ("CRI") having a source codec selector in electrical communication with the data codec, the speech codec and the video codec; a radio transceiver ("RTX") in electrical communication with the CRI via an RTX control interface, the RTX having a baseband interface coupled to the RF module. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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Specification