US5799091A
Expired / Lapsed
US
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Single chip solution for multimedia GSM mobile station systems
Assignee: Intel Corp
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Filing: 1996-05-24
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Granted: 1998-08-25
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Expires: 2016-05-24
Abstract
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.
Inventors
- 👤 Johan Lodenius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:16
CPC Classifications
H; H04; H04B; H04B7/00; H04B7/24; H04B7/26; H04B7/2603; H04B7/2609
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
119 words
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.
Claim 2
Dependent Claim
119 words
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.
Claim 3
Dependent Claim
24 words
A semiconductor device as in claim 1 wherein the data port interface comprises: a serial port interface in electrical communication with a FAX modem.
Claim 4
Dependent Claim
17 words
A semiconductor device as in claim 2 wherein the serial port interface driver comprises a PCMCIA driver.
Claim 5
Dependent Claim
32 words
A semiconductor device as in claim 1 wherein the audio interface comprises a voice coder for receiving electrical signals from a microphone, and a voice decoder for providing signals to a speaker.
Claim 6
Dependent Claim
15 words
A semiconductor device as in claim 1 wherein the video interface comprises a video DAC/ADC.
Claim 7
Dependent Claim
33 words
A semiconductor device as in claim 3 wherein the video interface further comprises a video driver for receiving electrical signals from a CCD camera and for providing electrical signals to a video monitor.
Claim 8
Dependent Claim
32 words
A semiconductor device as in claim 1 wherein the CRI comprises a CRI bus providing electrical communication between the source codec selector, the RTX control interface and a plurality of functional modules.
Claim 9
Dependent Claim
28 words
A semiconductor device as in claim 5 wherein the plurality of functional modules comprises a digital signal processing module having an electronic memory and a Viterbi Accelerator circuit.
Claim 10
Dependent Claim
30 words
A semiconductor device as in claim 5 wherein the plurality of functional modules comprises an MCU and a BIU which provides electrical communication between the MCU and external electronic memory.
Claim 11
Dependent Claim
17 words
A semiconductor device as in claim 5 wherein the plurality of functional modules comprises an SIM interface.
Claim 12
Dependent Claim
17 words
A semiconductor device as in claim 5 wherein the plurality of functional modules comprises a display driver.
Claim 13
Dependent Claim
17 words
A semiconductor device as in claim 5 wherein the plurality of functional modules comprises a keyboard driver.
Claim 14
Dependent Claim
19 words
A semiconductor device as in claim 5 wherein the plurality of functional modules comprises clock and power management circuitry.
Claim 15
Dependent Claim
18 words
A semiconductor device as in claim 5 wherein the plurality of functional modules comprises an RF control interface.
Claim 16
Dependent Claim
36 words
A semiconductor device as in claim 1 wherein the baseband interface comprises a GMSK modulator which provides electrical signals to the external RF module, and a GMSK detector which receives signals from an external RF module.
Claim 17
Dependent Claim
39 words
A semiconductor device as in claim 1 wherein the RTX further comprises an RTX control bus which provides electrical communication between the source code selector, the RTX control interface, the baseband interface and a plurality of RTX functional modules.
Claim 18
Dependent Claim
18 words
A semiconductor device as in claim 16 wherein the plurality of RTX functional modules comprises a channel coder.
Claim 19
Dependent Claim
18 words
A semiconductor device as in claim 16 wherein the plurality of RTX functional modules comprises a channel-viterbi decoder.
Claim 20
Dependent Claim
29 words
A semiconductor device as in claim 16 wherein the plurality of RTX functional modules comprises circuits for interleaving and ciphering transmission signals which are provided to the baseband interface.
Claim 21
Dependent Claim
26 words
A semiconductor device as in claim 16 wherein the plurality of RTX functional modules comprises circuits for deinterleaving and deciphering received signals from the baseband interface.
Claim 22
Dependent Claim
19 words
A semiconductor device as in claim 16 wherein the plurality of RTX functional modules comprises a burst format circuit.
Claim 23
Dependent Claim
19 words
A semiconductor device as in claim 16 wherein the plurality of RTX functional modules comprises a viterbi equalizer circuit.
Claim 24
Dependent Claim
15 words
A semiconductor device as in claim 9 wherein the MCU comprises a code compaction unit.
Claim 25
Dependent Claim
23 words
A semiconductor device as in claim 1 wherein the baseband interface is coupled to an RF module for transmitting and receiving radio signals.
Claim 26
Dependent Claim
32 words
A semiconductor device as in claim 1 wherein the audio interface comprises a voice coder for receiving electrical signals from a microphone, and a voice decoder for providing signals to a speaker.
References Cited (Backward Citations)
US5612974A
Cited
US5621800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-08-24 | 2002-02-23 | 2002-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-08-24 | 2006-02-23 | 2006-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-08-24 | 2010-02-23 | 2010-08-25 | $7700.00 | Window Closed / Lapsed |