DYNAMIC BANDWIDTH ALLOCATION TO TRANSMIT A WIRELESS PROTOCOL ACROSS A CODE DIVISION MULTIPLE ACCESS (CDMA) RADIO LINK

• US 20090268705A1
• Filed: 07/06/2009
• Published: 10/29/2009
• Est. Priority Date: 06/20/1997
• Status: Active Grant

• Current Assignee: Intel Corporation
• Original Assignee: IPR Licensing Incorporated (InterDigital, Inc.)
• Inventors: Amalfitano, Carlo, Gorsuch, Thomas E.
• Granted Patent: US 8,260,310 B2
• Time in Patent Office: Days
• US Class Current: 370/342
• CPC Class Codes: H04J 13/16 Code allocation
• CPC Class Codes: H04J 13/18 Allocation of orthogonal codes
• CPC Class Codes: H04L 1/165 Variable formats
• CPC Class Codes: H04Q 11/0428 Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
• CPC Class Codes: H04Q 2213/13098 Mobile subscriber
• CPC Class Codes: H04Q 2213/13176 Common channel signaling, CCS7
• CPC Class Codes: H04Q 2213/13202 Network termination [NT]
• CPC Class Codes: H04Q 2213/13204 Protocols
• CPC Class Codes: H04Q 2213/13209 ISDN
• CPC Class Codes: H04Q 2213/13216 Code signals, frame structure
• CPC Class Codes: H04Q 2213/1327 Release and resetting of connection
• CPC Class Codes: H04Q 2213/13294 CDMA, code division multiplexing, i.e. combinations of H04Q2213/13291 and/or H04Q2213/13292 with space division
• CPC Class Codes: H04Q 2213/13298 Local loop systems, access network
• CPC Class Codes: H04Q 2213/13332 Broadband, CATV, dynamic bandwidth allocation
• CPC Class Codes: H04Q 2213/1336 Synchronisation
• CPC Class Codes: H04Q 2213/13389 LAN, internet
• CPC Class Codes: H04W 28/22 Negotiating communication rate
• CPC Class Codes: H04W 72/00 Local resource management
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 72/0466 the resource being a scrambling code
• CPC Class Codes: H04W 80/00 : Wireless network protocols or protocol adaptations to wireless operation
• CPC Class Codes: H04W 84/042 : Public Land Mobile systems, e.g. cellular systems
• CPC Class Codes: H04W 84/14 : WLL [Wireless Local Loop]; RLL [Radio Local Loop]

Abstract

A technique for transmission of wireless signals across CDMA radio links. Bandwidth is allocated dynamically within a session to specific CDMA subscriber unit based upon data rate determinations. Specifically, a dynamic bandwidth allocation algorithm operates from limits calculated based upon available ports per subscriber, expected user bandwidth, and parallel user bandwidth versus throughput. Provisions for priority service, unbalanced forward and reverse spectrum utilization, voice prioritization, and band switching are also made.

Claims

1-10. -10. (canceled)

11. A code division multiple access (CDMA) subscriber unit device comprising:

a receiver and a controller configured to receive data over sixteen CDMA channels;

each of the sixteen CDMA channels having a different Walsh cover and the controller further configured to maintain a communication session associated with the data received over the sixteen CDMA channels when the subscriber unit device does not receive any of the sixteen CDMA channels.

12. The CDMA subscriber unit of claim 11 wherein the received data is a burst of data.

13. The CDMA subscriber unit of claim 11 wherein the received data is webpage data.

14. The CDMA subscriber unit of claim 11 wherein the received data includes voice data.

15. The CDMA subscriber unit of claim 11 wherein the controller is further configured to enter a dormant state when no data is received and the communication session is maintained.

16. The CDMA subscriber unit of claim 11 wherein the receiver and the controller are further configured to receive control information which was based on a data rate associated with the received data.

17. The CDMA subscriber unit of claim 11 wherein the received data is received over the sixteen channels within a 1.25 MHz bandwidth.

18. The CDMA subscriber unit of claim 11 wherein the sixteen CDMA channels are received as a burst.

19. A code division multiple access (CDMA) base station comprising:

a transmitter and a controller configured to transmit data over sixteen CDMA channels to a CDMA subscriber unit;

each of the sixteen CDMA channels having a different Walsh cover and the controller further configured to maintain a communication session associated with data received over the sixteen CDMA channels when the CDMA base station is not transmitting any of the sixteen CDMA channels to the CDMA subscriber unit.

20. The CDMA base station of claim 19 wherein the transmitted data is a burst of data.

21. The CDMA base station of claim 19 wherein the transmitted data is webpage data.

22. The CDMA base station of claim 19 wherein the transmitted data includes voice data.

23. The CDMA base station of claim 19 wherein the controller is further configured to allocate the sixteen CDMA channels to the CDMA subscriber unit based on a priority associated with the transmitted data.

24. The CDMA base station of claim 19 wherein the transmitter and the controller are further configured to transmit control information which was based on a data rate associated with the transmitted data.

25. The CDMA base station of claim 19 wherein the transmitted data is transmitted over the sixteen channels within a 1.25 MHz bandwidth.

26. The CDMA base station of claim 19 wherein the sixteen CDMA channels are transmitted as a burst.

27. The CDMA base station of claim 19 wherein the controller is further configured to determine a data rate associated with the sixteen CDMA channels transmission based on a priority associated with the transmitted data.

28. The CDMA base station of claim 27 wherein the data rate is based on a short term data rate.