System and method for providing reliable wireless home media distribution

• US 20070107020A1
• Filed: 11/10/2005
• Published: 05/10/2007
• Est. Priority Date: 11/10/2005
• Status: Abandoned Application

• Current Assignee: Hitachi, Ltd.
• Original Assignee: Hitachi, Ltd.
• Inventors: Tavares, Clifford
• Application Number:
  US11/271,011
• Publication Number:
  US 20070107020A1
• Time in Patent Office: Days
• US Class Current: 725/81
• CPC Class Codes: H04L 12/2803 Home automation networks
• CPC Class Codes: H04L 12/2821 Avoiding conflicts related to the use of home appliances cryptographic protocols H04L9/00; protocols for network security H04L63/00
• CPC Class Codes: H04L 12/2827 Reporting to a device within the home network; wherein the reception of the information reported automatically triggers the execution of a home appliance functionality
• CPC Class Codes: H04L 12/2838 Distribution of signals within a home automation network, e.g. involving splitting/multiplexing signals to/from different paths adaptations of television systems for transmission by electric cable for domestic distribution H04N7/106; hybrid transport H04L12/6418; home network arrangements specially adapted for distribution of digital video signals H04N7/24
• CPC Class Codes: H04L 2012/2841 Wireless
• CPC Class Codes: H04L 41/5003 Managing SLA; Interaction between SLA and QoS
• CPC Class Codes: H04L 41/509 wherein the managed service relates to media content delivery, e.g. audio, video or TV
• CPC Class Codes: H04L 43/0847 Transmission error
• CPC Class Codes: H04N 21/43615 Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals home Audio Video Interoperability [HAVI] data switching networks H04L12/2805
• CPC Class Codes: H04N 21/43637 involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11] arrangements for wireless networking or broadcasting of information in indoor or near-field type systems H04B10/114
• CPC Class Codes: H04N 21/4432 Powering on the client, e.g. bootstrap loading using setup parameters being stored locally or received from the server resetting in general G06F1/14; program loading or initiating in general G06F9/445; bootstrapping in general G06F9/4401; secure boots of computer platforms G06F21/57
• CPC Class Codes: H04W 72/541 using the level of interference

Abstract

A system provides reliable wireless home media distribution. The system comprises a wireless source device; a wireless sink device; and a wireless controller including a sensing module for sensing potentially interfering signals in the path of the wireless source device and the wireless sink device; an admission module for obtaining communication need information for effective communication between the wireless source device and the wireless sink device; and an allocation module for selecting an RF channel based on the potentially interfering signals and the communication need information for the wireless source device and the wireless sink device to intercommunicate.

Claims

1. A system, comprising:

a wireless source device;

a wireless sink device; and

a wireless controller including

a sensing module for sensing potentially interfering signals in the path of the wireless source device and the wireless sink device;

an admission module for obtaining communication need information for effective communication between the wireless source device and the wireless sink device; and

an allocation module for selecting an RF channel based on the potentially interfering signals sensed and the communication need information for the wireless source device and the wireless sink device to use for its intercommunication.

2. The system of claim 1, wherein the source device includes a DVD player and the sink device includes a television.

3. The system of claim 1, wherein the source device includes a music player and the sink device includes speakers.

4. The system of claim 1, wherein the source device includes a computer and the sink device includes a television.

5. The system of claim 1, wherein the sensing module includes a single sensor for sensing the interfering signals for the entire operating environment.

6. The system of claim 1, wherein the sensing module includes distributed modules for sensing the interfering signals for the entire operating environment.

7. The system of claim 1, wherein the sensing module senses interfering signals periodically.

8. The system of claim 1, wherein the sensing module senses ambient interfering signals.

9. The system of claim 1, wherein the communication needs include Tspec and Rspec for the source device and the sink device.

10. The system of claim 1, wherein the allocation module selects the RF channel further based on available channels.

11. The system of claim 1, wherein the allocation module selects the RF channel further based on noted problems.

12. A method, comprising:

sensing potentially interfering signals in the path of a wireless source device and a wireless sink device;

obtaining communication need information for effective communication between the wireless source device and the wireless sink device; and

selecting an RF channel based on the potentially interfering signals and the communication need information for the wireless source device and the wireless sink device to use for its intercommunication.

13. The method of claim 12, wherein the source device includes a DVD player and the sink device includes a television.

14. The method of claim 12, wherein the source device includes a music player and the sink device includes speakers.

15. The method of claim 12, wherein the source device includes a computer and the sink device includes a television.

16. The method of claim 12, wherein the sensing includes using a single sensor to sense the interfering signals for the entire operating environment.

17. The method of claim 12, wherein the sensing includes using distributed modules to sense the interfering signals for the entire operating environment.

18. The method of claim 12, wherein the sensing senses interfering signals periodically.

19. The method of claim 12, wherein the sensing senses ambient interfering signals.

20. The method of claim 12, wherein the communication needs include Tspec and Rspec for the source device and the sink device.

21. The method of claim 12, wherein the selecting selects the RF channel further based on available channels.

22. The method of claim 12, wherein the selecting selects the RF channel further based on noted problems.

23. A system, comprising:

means for sensing interfering signals in the path of a wireless source device and a wireless sink device;

means for obtaining communication need information for effective communication between the wireless source device and the wireless sink device; and

means for selecting an RF channel based on the interfering signals and the communication need information for the wireless source device and the wireless sink device to use for its intercommunication.