Method of applying hashing algorithms in a wireless communication system

• US 7,437,165 B2
• Filed: 06/30/2003
• Issued: 10/14/2008
• Est. Priority Date: 06/30/2003
• Status: Expired due to Fees

• Current Assignee: Lucent Technologies, Inc. (Nokia Corporation)
• Original Assignee: Lucent Technologies, Inc. (Nokia Corporation)
• Inventors: Rossetti, David Albert, Burgess, John K, Picot, Carol M., Zhu, Lily H
• Primary Examiner(s): Tieu; Binh K
• Application Number:
  US10/609,728
• Publication Number:
  US 20040266445A1
• Time in Patent Office: 1,933 Days
• Field of Search: 455/403, 455/419, 455/422, 455432-434, 455/512, 455/566, 455/154.1, 455/161.1, 455/450, 455/452.1, 455/452.2, 455/453
• US Class Current: 455/450
• CPC Class Codes: H04W 28/02 Traffic management, e.g. flow control or congestion control
• CPC Class Codes: H04W 48/10 using broadcasted information
• CPC Class Codes: H04W 48/12 using downlink control channel
• CPC Class Codes: H04W 48/16 Discovering, processing access restriction or access information

Abstract

A method of wireless communication. The method includes the step of broadcasting a message, such as channel list message, for example. The broadcasting message lists each available carrier for each available frequency band in the wireless communication spectrum—e.g., 400 MHz and about 2100 MHz. Each available carrier listed within the message may correspond with at least one cell of a coverage area. Moreover, each broadcast message comprises at least one occurrence for each available carrier. Each available carrier may also be repeated within the message a number of times corresponding to a carrier weighting. This carrier weighting in turn corresponds with a traffic load. Alternatively, the method may also include the step of repeating the broadcast of the message a number of times, wherein the number corresponds to a carrier weighting associated with the traffic load. The broadcast message may also comprise a listing of at least one service, such as voice and/or data, supported by each available carrier.

Claims

1. A method of wireless communication comprising:

broadcasting a message listing configured to be hashed to determine at least one available carrier frequency, the message listing indicating each available carrier frequency for each of a plurality of available frequency bands in the wireless communication spectrum, each of the plurality of available frequency bands comprising a plurality of carrier frequencies, and the plurality of available frequency bands being supported by a single service provider.

2. The method of claim 1, wherein the message listing each available carrier frequency corresponds with at least one cell of a coverage area.

3. The method of claim 2, wherein the message comprises a channel list message.

4. The method of claim 2, wherein the wireless communication spectrum comprises frequency bands between about 400 MHz and about 2100 MHz.

5. The method of claim 2, wherein each available carrier frequency is repeated within the message a number of times, the number corresponding to a carrier weighting.

6. The method of claim 5, wherein the carrier weighting corresponds with a traffic load.

7. The method of claim 2, wherein the message broadcast comprises a weighting number associated with each available carrier frequency, each weighting number corresponding with carrier weighting.

8. The method of claim 7, wherein the carrier weighting corresponds with a traffic load.

9. The method of claim 7, wherein each broadcast message comprises at least one occurrence for each available carrier frequency.

10. The method of claim 2, wherein the message comprises a listing of at least one service supported by each available carrier frequency.

11. The method of claim 10, wherein the at least one service comprises at least one of voice and data.

12. A method of wireless communication comprising:

receiving a broadcast message listing configured to be hashed to determine at least one available carrier frequency, the broadcast message listing indicating each available carrier frequency for each of a plurality of available frequency bands in the wireless communication spectrum, each of the plurality of available frequency bands comprising a plurality of carrier frequencies, and the plurality of available frequency bands being supported by a single service provider.

13. The method of claim 12, wherein the broadcast message listing each available carrier frequency corresponds with at least one cell of a coverage area.

14. The method of claim 13, comprising:

performing a hashing algorithm to select one of the available carrier frequencies.

15. The method of claim 14, comprising:

transmitting at least one of voice and data over the selected carrier frequency.

16. The method of claim 12, wherein the received broadcast message listing comprises a channel list message.

17. The method of claim 12, wherein the wireless communication spectrum comprises frequency bands between about 400 MHz and about 2100 MHz.

18. The method of claim 12, wherein each available carrier frequency is repeated within the received broadcast message listing a number of times, the number corresponding to a carrier weighting.

19. The method of claim 18, wherein the carrier weighting corresponds with a traffic load.

20. The method of claim 12, wherein the received message listing comprises a weighting number associated with each available carrier frequency, each weighting number corresponding with carrier weighting.

21. The method of claim 20, wherein the carrier weighting corresponds with a traffic load.

22. The method of claim 12, wherein the message listing comprises a listing of at least one service supported by each available carrier.

23. The method of claim 22, wherein the at least one service comprises at least one of voice and data.