Mobile vehicle quiescent cycle control method

• US 7,372,818 B2
• Filed: 03/28/2002
• Issued: 05/13/2008
• Est. Priority Date: 03/28/2002
• Status: Expired due to Fees

• Current Assignee: General Motors LLC (General Motors Company)
• Original Assignee: General Motors Corporation (General Motors Company)
• Inventors: Mazzara, William E. Jr., Fraser, Ronald W., Abeska, Edward J.
• Primary Examiner(s): Pezzlo; John
• Application Number:
  US10/109,466
• Publication Number:
  US 20030185162A1
• Time in Patent Office: 2,238 Days
• Field of Search: 370/278, 370/252, 370/328, 370/329, 370/349, 370/318, 370/437, 375/130, 375220-222, 455/62, 455/522, 455/575, 455/426, 455/450, 340/426.2, 340/693.3, 340/3.1, 340/7.32, 340/539.1, 340/539.3
• US Class Current: 370/252
• CPC Class Codes: H04W 52/0277 according to available power supply, e.g. switching off when a low battery condition is detected
• CPC Class Codes: H04W 52/287 when the channel is in stand-by
• CPC Class Codes: H04W 52/288 taking into account the usage mode, e.g. hands-free, data transmission, telephone
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

The present invention provides a method of accessing a quiescent mobile vehicle using a wireless communication system. At least one transmit power parameter of a vehicle communication device is determined. At least one sleep duration value is calculated based on the transmit power parameter. The vehicle communication device is placed into a quiescent state based on the sleep duration value. Programs and systems of using the method are also provided.

Claims

1. A method for use in a mobile vehicle for communicating over a digital wireless communication system, comprising:

determining at least one registration parameter responsive to communication between a vehicle communication device and a wireless network, wherein the at least one registration parameter is responsive to an amount of power required for a vehicle communication device in the vehicle to communicate on a wireless network;

adjusting a quiescent operating cycle of the vehicle communication device based on the determination, wherein the quiescent operating cycle lasts for a first duration if the amount of power is a first value and lasts for a second duration if the amount of power is a second value; and

operating the vehicle communication device according to the adjusted quiescent operating cycle.

2. The method according to claim 1, wherein the quiescent operating cycle is a discontinuous-receive cycle.

3. The method according to claim 1, wherein the quiescent operating cycle is continuous if the amount of power is a first value;

and

the quiescent operating cycle includes at least one sleep interval if the amount of power is a second value greater than the first value.

4. The method of claim 1, wherein the first duration is greater than the second duration if the first value is less than the second value.

5. A method for use in a mobile vehicle for communicating over a wireless communication system, comprising:

determining at least one registration parameter responsive to communication between a vehicle communication device and a wireless network, wherein the at least one registration parameter is responsive to an amount of power required for a vehicle communication device in the vehicle to communicate on a wireless network;

adjusting a quiescent operating cycle of the vehicle communication device based on the determination, wherein the quiescent operating cycle lasts for a first duration if the amount of power is a first value and lasts for a second duration if the amount of power is a second value; and

operating the vehicle communication device according to the adjusted quiescent operating cycle, wherein the quiescent operating cycle includes a discontinuous-receive cycle.

6. The method according to claim 5, wherein the quiescent operating cycle is a discontinuous-receive cycle.

7. The method according to claim 5, wherein the quiescent operating cycle is continuous if the amount of power is a first value and the quiescent operating cycle includes at least one sleep interval if the amount of power is a second value greater than the first value.

8. The method of claim 5, wherein the first duration is greater than the second duration if the first value is less than the second value.