Maintenance of channel usage in a wireless communication system

• US 8,908,652 B2
• Filed: 08/17/2011
• Issued: 12/09/2014
• Est. Priority Date: 04/08/1999
• Status: Expired due to Fees

• Current Assignee: Intel Corporation
• Original Assignee: Intel Corporation
• Inventors: Ferguson, Charles T., Gorsuch, Thomas
• Primary Examiner(s): Zhu, Alvin
• Application Number:
  US13/211,853
• Publication Number:
  US 20110299506A1
• Time in Patent Office: 1,210 Days
• Field of Search: 370/328, 370/335, 370/342, 370/479
• US Class Current: 370/335
• CPC Class Codes: H04J 13/00 Code division multiplex systems for frequency hopping H04B1/713
• CPC Class Codes: H04J 13/16 Code allocation
• CPC Class Codes: H04J 2013/0096 Network synchronisation
• CPC Class Codes: H04L 5/0044 allocation of payload
• CPC Class Codes: H04W 72/21 in the uplink direction of a wireless link, i.e. towards the network
• CPC Class Codes: H04W 72/23 in the downlink direction of a wireless link, i.e. towards a terminal
• CPC Class Codes: H04W 76/30 Connection release
• CPC Class Codes: H04W 84/08 Trunked mobile radio systems

Abstract

Data is accessed from a network via a wireless communication link. A determination is made as to whether payload data has been received from a subscriber'"'"'s terminal. If so, then a request is sent for a first set of traffic channels, and the payload data is transmitted over the first set of traffic channels.

Claims

1. A wireless code division multiple access (CDMA) device comprising:

a processing device configured, on a condition that payload data associated with a channel is present, to determine a size of the payload data associated with the channel;

wherein the processing device is further configured, on the condition that the payload data associated with the channel is present, to transmit information to a base station;

wherein the processing device is further configured to receive a grant in response to the transmitted information;

wherein the processing device is further configured in response to the grant to transmit the payload data over at least one CDMA channel; and

wherein on a condition that the processing device has no payload data to transmit, the processing device is further configured to transmit only a control channel signal to the base station.

2. The wireless CDMA device of claim 1 wherein a number of CDMA channels that the payload data is transmitted over is derived from at least the grant.

3. The wireless CDMA device of claim 1 wherein the payload data is transmitted over a plurality of CDMA channels and a portion of the payload data is transmitted over each channel.

4. The wireless CDMA device of claim 3 wherein a number of the plurality of CDMA channels that the payload data is transmitted over is derived from at least the grant.

5. The wireless CDMA device of claim 1 wherein the processing device is further configured to transition from an idle to an active mode on a condition that the payload data is received.

6. The wireless CDMA device of claim 1 wherein the control channel transmission is used for uplink timing synchronization.

7. The wireless CDMA device of claim 6 wherein the control channel transmission has a lower bandwidth than the control channel transmission when transmitted with a CDMA channel carrying payload data.

8. A method implemented in a wireless code division multiple access (CDMA) device, the method comprising:

on a condition that payload data associated with a channel is present, determining a size of the payload data associated with the channel;

on the condition that the payload data associated with the channel is present, transmitting information to a base station;

receiving a grant in response to the transmitted information;

wherein the processing device is further configured in response to the grant transmitting the payload data over at least one CDMA channel in response to the grant; and

transmitting only a control channel signal to the base station on a condition that a processing device has no payload data to transmit.

9. The method of claim 8 wherein a number of CDMA channels that the payload data is transmitted over is derived from at least the grant.

10. The method of claim 8 wherein the payload data is transmitted over a plurality of CDMA channels and a portion of the payload data is transmitted over each channel.

11. The method of claim 10 wherein a number of the plurality of CDMA channels that the payload data is transmitted over is derived from at least the grant.

12. The method of claim 8 further comprising transitioning from an idle to an active mode on a condition that the payload data is received.

13. The method of claim 8 wherein the control channel transmission is used for uplink timing synchronization.

14. The method of claim 13 wherein the control channel transmission has a lower bandwidth than the control channel transmission when transmitted with a CDMA channel carrying payload data.