Apparatus and method for fast access in a wireless communication system

1. A method of fast access in a wireless communication system performed by a user equipment, the method comprising:

transmitting an access probe;

transmitting a second access probe at an increased transmission power when a first access grant is not received within a first time period;

receiving the first access grant, wherein the first access grant comprises a portion representing a randomly selected first terminal identification; and

transmitting a message using a second terminal identification, wherein the second terminal identification is not equal to the randomly selected first terminal identification, and wherein the second terminal identification is a previously assigned terminal identification stored in a memory.

2. The method of claim 1 , further comprising receiving a second access grant comprising a first Media Access Control Identifier (MAC ID), wherein the first MAC ID is equal to the second terminal identification.

3. The method of claim 2 , further comprising transmitting subsequent user data without transmitting the first MAC ID.

4. The method of claim 1 , further comprising determining if synchronization with an access network is lost prior to the transmitting the access probe.

5. The method of claim 1 , further comprising determining if a state of a terminal is sleep mode prior to the transmitting the access probe.

6. A method of fast access in a wireless communication system performed by a base station, the method comprising:

receiving an access probe;

receiving a second access probe transmitted at an increased transmission power when an access grant is not received by a user equipment (UE) within a predetermined time period;

generating the access grant in response to receiving the access probe, wherein the access grant comprises a portion representing a randomly selected first terminal identification; and

receiving a message comprising a second terminal identification that is not included in the access grant.

7. The method of claim 6 , further comprising transmitting a second access grant comprising the second terminal identification extracted from the message.

8. The method of claim 7 , further comprising receiving subsequent user data without the randomly selected first terminal identification.

9. The method of claim 6 , further comprising transmitting a second access grant comprising the randomly selected first terminal identification extracted from memory.

10. An apparatus operable in a wireless communication system, the apparatus comprising:

means for transmitting an access probe;

means for transmitting a second access probe at an increased transmission power when a first access grant is not received within a first time period;

means for receiving the first access grant, wherein the first access grant comprises a portion representing a randomly selected first identification for the apparatus; and

means for transmitting a message using a second identification for the apparatus, wherein the second identification is not equal to the randomly selected first identification, and wherein the second terminal identification is a previously assigned terminal identification stored in a memory.

11. The apparatus of claim 10 , further comprising means for receiving a second access grant comprising a first Media Access Control Identifier (MAC ID), wherein the MAC ID is equal to the second identification.

12. The apparatus of claim 11 , further comprising means for transmitting subsequent user data without transmitting the MAC ID.

13. The apparatus of claim 10 , further comprising means for determining if synchronization with an access network is lost prior to the transmitting the access probe.

14. The apparatus of claim 10 , further comprising means for determining if a state of the apparatus is sleep mode prior to transmitting the access probe.

15. An apparatus operable in a wireless communication system, the apparatus comprising:

means for receiving an access probe;

means for receiving a second access probe transmitted with an increased transmission power when an access grant is not received by a user equipment (UE) within a predetermined time period;

means for generating the access grant in response to receiving the access probe, wherein the access grant comprises a portion representing a randomly selected first terminal identification; and

means for receiving a message comprising a second terminal identification that is not included in the access grant.

16. The apparatus of claim 15 , further comprising means for transmitting a second access grant comprising the second terminal identification extracted from the message.

17. The apparatus of claim 16 , further comprising means for receiving subsequent user data without transmitting the randomly selected first terminal identification.

18. The apparatus of claim 15 , further comprising means for transmitting a second access grant comprising the randomly selected first terminal identification extracted from memory.

19. A non-transitory computer readable medium having stored thereon computer executable instructions for:

transmitting, by a user equipment (UE), an access probe;

transmitting, by the UE, a second access probe at an increased transmission power when a first access grant is not received within a first time period;

receiving, by the UE, the first grant message, wherein the first grant message comprises a portion representing a randomly selected first terminal identification; and

transmitting, by the UE, a message using a second terminal identification, wherein the second identification is not equal to the randomly selected first terminal identification, and wherein the second terminal identification is a previously assigned terminal identification stored in a memory.

20. A non-transitory computer readable medium having stored thereon computer executable instructions for:

receiving, by a base station (BS), an access probe;

receiving, by the BS, a second access probe transmitted with an increased transmission power when an access grant is not received by a user equipment (UE) within a predetermined time period;

generating, by the BS, the access grant in response to receiving the access probe wherein the access grant comprises a portion representing a randomly selected first terminal identification; and

receiving, by the BS, a message comprising a second terminal identification that not included in the access grant.

21. An integrated circuit comprising:

means for transmitting an access probe;

means for transmitting a second access probe at an increased transmission power when a first access grant is not received within a first time period;

means for receiving the first grant message, wherein the first grant message comprises a portion representing a randomly selected first terminal identification; and

means for transmitting a message using a second terminal identification, wherein the second terminal identification is not equal to the randomly selected first terminal identification, and wherein the second terminal identification is a previously assigned terminal identification stored in a memory.

22. An integrated circuit comprising:

means for receiving an access probe;

means for receiving a second access probe transmitted with an increased transmission power when an access grant is not received by a user equipment (UE) within a predetermined time period;

means for generating the access grant in response to receiving the access probe, wherein the access grant comprises a portion representing a randomly selected first terminal identification; and

means for receiving a message comprising a second terminal identification that is not included in the access grant.

23. An electronic device operable in a wireless communication system, the electronic device comprising:

a transmitter configured to transmit an access probe and transmit a second access probe at an increased transmission power when a first grant message is not received within a first time period;

a receiver configured to receive the first grant message, wherein the first grant message comprises a portion representing a randomly selected first identification for the electronic device; and

wherein the transmitter is further configured to transmit a message using a second identification for the electronic device, wherein the second identification is not equal to the randomly selected first identification, and wherein the second identification is a previously assigned identification stored in a memory of the electronic device.

24. An electronic device operable in a wireless communication system, the electronic device comprising:

a receiver configured to receive an access probe and a second access probe transmitted with an increased transmission power when an access grant is not received by a user equipment (UE) within a predetermined time period;

a processor configured to generate the access grant in response to receiving the access probe, wherein the access grant comprises a portion representing a randomly selected first terminal identification; and

wherein the receiver is further configured to receive a message comprising a second terminal identification that is not included in the access grant.