Mobile station and method for processing signals of the GSM and TD-SCDMA radio standards
View Patent ↗A mobile station is disclosed for processing differing radio standards such as GSM/GPRS/EDGE and TD-SCDMA. The mobile station includes a channel decoding unit and a coding unit. The signals of both radio standards are processed both with the coding unit and with the channel decoding unit. The coding unit and the channel decoding unit are arranged in the baseband chip of the mobile station. The TD-SCDMA-specific algorithms can be generated by means of a coprocessor that is electrically connected to the baseband chip or integrated in the baseband chip.
1. A mobile station, comprising:
a baseband integrated circuit chip, comprising:
a first baseband subsystem comprising:
a first digital signal processor configured to control a protocol of the mobile station based on a reception or transmission of data according to a first radio standard or a second, different radio standard;
a system control unit configured to transmit and receive control signals based on a dictated one of the first radio standard and the second, different radio standard in response to an instruction from the first digital signal processor;
a second baseband subsystem, comprising:
a second digital signal processor;
a coding unit configured to encode data supplied thereto according to a first radio standard or a second, different radio standard in response to an instruction from the second digital signal processor; and
a decoding unit configured to decode data supplied thereto according to the first radio standard or the second radio standard in response to an instruction from the second digital signal processor;
wherein the second digital signal processor is configured to generate and provide instructions to the coding unit and decoding unit, respectively, to dictate a processing according to the first radio standard or the second radio standard based on an instruction from the system control unit;
a coprocessor integrated circuit chip operably associated with the baseband integrated circuit chip, configured to receive and transmit data in accordance with the second radio standard, wherein the coprocessor is configured to transmit data for encoding or decoding to the second baseband system in accordance with instructions from the system control unit.
2. The mobile station of claim 1 , wherein the coprocessor comprises a third digital signal processor configured to receive instructions from the system control unit, and control a transmission of data received from a high frequency chip associated with the second radio standard to the second baseband subsystem for decoding thereof.
3. The mobile station of claim 1 , wherein the coprocessor comprises a third digital signal processor configured to receive instructions from the system control unit, and control a receipt of encoded data for transmission thereof to a high frequency chip associated with the second radio standard, the encoded data coming from the second baseband subsystem after encoding thereat.
4. The mobile station of claim 1 , wherein the first baseband subsystem is configured to interface with a high frequency chip associated with the first radio standard.
5. The mobile station of claim 4 , wherein the first digital signal processor of the first baseband system is configured to receive instructions from the system control unit and control a transmission of data received from the high frequency chip associated with the first radio standard to the second baseband subsystem for decoding thereof.
6. The mobile station of claim 4 , wherein the first digital signal processor of the first baseband system is configured to receive instructions from the system control unit and control a receipt of encoded data for transmission thereof to the high frequency chip associated with the first radio standard.
7. A mobile station having a baseband integrated circuit, the baseband integrated circuit comprising:
a first baseband subsystem, comprising:
a first digital signal processor configured to control a protocol of the mobile station based on a reception or transmission of data according to a first radio standard or a second, different radio standard;
a system control unit configured to transmit and receive control signals based on a dictated one of the first radio standard and the second, different radio standard in response to an instruction from the first digital signal processor;
a second baseband subsystem, comprising:
a second digital signal processor;
a coding unit configured to encode data supplied thereto according to a first radio standard or a second, different radio standard in response to an instruction from the second digital signal processor; and
a decoding unit configured to decode data supplied thereto according to the first radio standard or the second radio standard in response to an instruction from the second digital signal processor;
wherein the second digital signal processor is configured to generate and provide instructions to the coding unit and decoding unit, respectively, to dictate a processing according to the first radio standard or the second radio standard based on an instruction from the system control unit;
wherein the first baseband system is configured to interface with a first high frequency chip with data according to the first radio standard, and with a second high frequency chip with data according to the second radio standard.
8. The mobile station of claim 7 , wherein the first digital signal processor of the first baseband system is configured to receive instructions from the system control unit and control a transmission of data received from the high frequency chip associated with the first radio standard to the second baseband subsystem for decoding thereof.
9. The mobile station of claim 7 , wherein the first digital signal processor of the first baseband system is configured to receive instructions from the system control unit and control a transmission of data received from the high frequency chip associated with the second radio standard to the second baseband subsystem for decoding thereof.
10. The mobile station of claim 7 , wherein the first digital signal processor of the first baseband system is configured to receive instructions from the system control unit and control a receipt of encoded data for transmission thereof to the high frequency chip associated with the first radio standard.
11. The mobile station of claim 7 , wherein the first digital signal processor of the first baseband system is configured to receive instructions from the system control unit and control a receipt of encoded data for transmission thereof to the high frequency chip associated with the second radio standard.
12. A mobile station having a baseband integrated circuit, the baseband integrated circuit comprising:
a first baseband subsystem, comprising:
a first digital signal processor configured to control a protocol of the mobile station based on a reception or transmission of data according to a first radio standard or a second, different radio standard;
a system control unit configured to transmit and receive control signals based on a dictated one of the first radio standard and the second, different radio standard in response to an instruction from the first digital signal processor;
a second baseband subsystem, comprising:
a second digital signal processor;
a single coding/decoding unit configured to encode data supplied thereto according to a first radio standard or a second, different radio standard in response to an instruction from the second digital signal processor, and further configured to decode data supplied thereto according to the first radio standard or the second radio standard in response to an instruction from the second digital signal processor;
wherein the second digital signal processor is configured to generate and provide instructions to the single coding/decoding unit, respectively, to dictate a processing according to the first radio standard or the second radio standard based on an instruction from the system control unit;
wherein the first baseband subsystem is configured to interface with a first high frequency chip with data according to the first radio standard, and with a second high frequency chip with data according to the second radio standard.