Apparatus and method for reducing power consumption in electronic device

Patent metadata

Field	Value
Publication number	US-9787758-B2
Application number	US-201313912750-A
Country	US
Kind code	B2
Filing date	Jun 7, 2013
Priority date	Jun 7, 2012
Publication date	Oct 10, 2017
Grant date	Oct 10, 2017

Abstract

An apparatus and a method for reducing power consumption of an Application Processor (AP) in an electronic device are provided. The electronic device includes a first processor for supporting a first Internet Protocol (IP) Multimedia Subsystem (IMS) protocol stack, and a second processor for supporting a second IMS protocol stack. The first processor includes an AP for processing a multimedia service, and the second processor includes at least one of a Communication Processor (CP), a Modem Processor (MP), and a Baseband Processor (BP) for processing a communication service.

First claim

What is claimed is:

1. An electronic device comprising:
a first computer processor configured to execute a first internet protocol (IP) multimedia subsystem (IMS) protocol stack comprising a plurality of IMS protocols to provide an IMS service, the first computer processor comprising an application processor (AP) for processing a multimedia service; and
a second computer processor configured to execute a second IMS protocol stack comprising at least one IMS protocol, the second computer processor comprising one of a communication processor (CP), a modem processor (MP), and a baseband processor (BP) for processing a cellular communication service,
wherein the second computer processor comprises a router for selectively sending a session initiation protocol (SIP) signal to a SIP of the second computer processor or a SIP of the first computer processor according to a type of the SIP signal.

2. The electronic device of claim 1 ,
wherein the first computer processor comprises at least one of a video engine and an audio engine,
wherein the second computer processor comprises at least one of a video engine and an audio engine,
wherein the video engine processes video data provided from the IMS protocol stack, outputs the processed video data, and sends received video data to the IMS protocol stack, and
wherein the audio engine processes audio data provided from the IMS protocol stack, outputs the processed audio data, and sends received audio data to the IMS protocol stack.

3. The electronic device of claim 1 , wherein the first computer processor and the second computer processor are further configured to execute the IMS protocol stack comprising a plurality of IMS protocols to equally provide an IMS service.

4. The electronic device of claim 3 ,
wherein, if the second computer processor comprises a video engine and an audio engine, the second computer processor is further configured to provide the IMS service using the plurality of the IMS protocols,
wherein the video engine processes video data provided from the second IMS protocol stack, outputs the processed video data, and sends received video data to the second IMS protocol stack, and
wherein the audio engine processes audio data provided from the second IMS protocol stack, outputs the processed audio data, and sends received audio data to the second IMS protocol stack.

5. The electronic device of claim 1 , wherein the second computer processor is further configured to execute transmission control protocol/IP (TCP/IP).

6. The electronic device of claim 1 , wherein the second IMS protocol stack comprises at least one of a session initiation protocol (SIP), a real-time transfer protocol (RTP), and a real-time control protocol (RTCP).

7. The electronic device of claim 1 ,
wherein, if the second computer processor comprises a video engine and an audio engine, the second computer processor is further configured to provide a voice call service and a video call service over a packet switching (PS) network using the at least one IMS protocol,
wherein the video engine processes video data provided from the second IMS protocol stack, outputs the processed video data, and sends received video data to the second IMS protocol stack, and
wherein the audio engine processes audio data provided from the second IMS protocol stack, outputs the processed audio data, and sends received audio data to the second IMS protocol stack.

8. The electronic device of claim 1 ,
wherein, if the second computer processor comprises an audio engine, the second computer processor is further configured to provide a voice call service over a PS network using the second IMS protocol stack, and
wherein the audio engine processes audio data provided from the second IMS protocol stack, outputs the processed audio data, and sends received audio data to the second IMS protocol stack.

9. The electronic device of claim 8 , wherein the second computer processor is further configured to perform session refresh during the voice call service using the SIP.

10. The electronic device of claim 8 , wherein the first computer processor is further configured to provide the video call service over the PS network by processing video data and audio data received from the second computer processor through the plurality of the IMS protocols.

11. The electronic device of claim 10 , wherein the second computer processor comprises:
a data router for outputting the audio data for the voice call service to a TCP/IP of the second computer processor, and for outputting the video data and the audio data for the video call service to a TCP/IP of the first computer processor.

12. The electronic device of claim 11 , wherein the data router classifies data based on a type of packet data network (PDN) and a bearer.

13. The electronic device of claim 11 , wherein the data router classifies the data by analyzing a header of an IP packet.

14. The electronic device of claim 1 ,
wherein the first computer processor is further configured to execute the first IMS protocol stack comprising at least one IMS protocol to provide the IMS service, and
wherein the second computer processor is further configured to execute the second IMS protocol stack which comprises at least one IMS protocol different from at least one IMS protocol of the first IMS protocol stack.

15. A method for providing an internet protocol (IP) multimedia subsystem (IMS) service in an electronic device comprising a first computer processor for executing a first IMS protocol stack comprising a plurality of IMS protocols to provide an IMS service, the first computer processor comprises an application processor (AP) for processing a multimedia service, and a second computer processor for executing a second IMS protocol stack comprising at least one IMS protocol, the second computer processor comprises one of a communication processor (CP), a modem processor (MP), and a baseband processor (BP) for processing the cellular communication service, the method comprising:
determining whether to provide a cellular communication service; and
when determining to provide the cellular communication service, providing the IMS service using the second computer processor,
wherein the first computer processor executes the first IMS protocol stack comprising a plurality of IMS protocols to provide the IMS service,
wherein the second computer processor executes the second IMS protocol stack comprising at least one of the IMS protocols of the first IMS protocol stack, and
wherein the second computer processor comprises a router for selectively sending a session initiation protocol (SIP) signal to a SIP of the second computer processor or a SIP of the first computer processor according to a type of the SIP signal.

16. The method of claim 15 ,
wherein the first computer processor comprises at least one of a video engine and an audio engine,
wherein the second computer processor comprises at least one of a video engine and an audio engine,
wherein the video engine processes video data provided from the IMS protocol stack, outputs the processed video data, and sends received video data to the IMS protocol stack, and
wherein the audio engine processes audio data provided from the IMS protocol stack, outputs the processed audio data, and sends received audio data to the IMS protocol stack.

17. The method of claim 15 , wherein the first computer processor and the second computer processor execute the IMS protocol stack comprising a plurality of IMS protocols to equally provide the IMS service.

18. The method of claim

Assignees

• Samsung Electronics Co Ltd
• Samsung Electronics Co Ltd

Inventors

• Bae Tae-Jeong
• Kang Chin-Kyu
• Kim Hye-Jeong
• Lee Sang-Soo

Classifications

• H04W80/08

  Upper layer protocols {(network arrangements or communication protocols for networked applications H04L67/00)} · CPC title

• H04L67/10 Primary

  in which an application is distributed across nodes in the network (software deployment G06F8/60; multiprogramming arrangements G06F9/46) · CPC title

• H04W52/028

  switching on or off only a part of the equipment circuit blocks · CPC title

• H04W4/50

  Service provisioning or reconfiguring · CPC title

• Y02B60/50

  Cross-Sectional Technologies · mapped topic