COMMUNICATION STATIONS AND METHODS FOR TRANSMITTING ON A RANDOM ACCESS CHANNEL

• US 20170111907A1
• Filed: 12/29/2016
• Published: 04/20/2017
• Est. Priority Date: 03/12/2010
• Status: Active Grant

• Current Assignee: Malikie Innovations Limited (Key Patent Innovations Limited)
• Original Assignee: Blackberry Limited
• Inventors: HOLE, David Philip, FAURIE, Rene, VENKOB, Satish, HANOV, Steven Michael, BORSELLA, Remo, Kreuzer, Werner
• Granted Patent: US 10,966,195 B2
• Time in Patent Office: Days
• CPC Class Codes: H04W 56/0045 compensating for timing error by altering transmission time
• CPC Class Codes: H04W 72/0446 Resources in time domain, e.g. slots or frames
• CPC Class Codes: H04W 72/51 based on terminal or device properties
• CPC Class Codes: H04W 72/543 based on requested quality, e.g. QoS
• CPC Class Codes: H04W 72/56 based on priority criteria
• CPC Class Codes: H04W 74/004 in the uplink, i.e. towards network
• CPC Class Codes: H04W 74/0833 Random access procedures, e.g. with 4-step access

Abstract

Example communication stations and methods for transmitting on a random access channel (RACH) in wireless networks are disclosed herein. An example method for transmitting on an enhanced RACH by a device such that an initial access burst is received in a single time slot by a wireless network involves determining a timing advance, the timing advance being associated with a serving cell. The example method also involves transmitting, using the determined timing advance, the initial access burst, on the enhanced RACH, that includes at least one of an identifier or user data.

Claims

1-17. -17. (canceled)

18. A method for transmitting a burst on a random access channel (RACH), comprising:

when a timing advance associated with a serving cell is stored in the mobile device, transmitting a normal burst on the RACH, wherein the normal burst includes an identifier assigned to the mobile device and uses a normal burst format; and

when a timing advanced associated with a serving cell is not stored in the mobile device, transmitting an access burst on the RACH, wherein the mobile station is configured to transmit normal bursts or access bursts on the RACH.

19. The method of claim 18, wherein the transmission is a request for assignment of resource for a subsequent transmission of data.

20. The method of claim 18, wherein the access burst comprises a random identifier selected by the mobile station.

21. The method of claim 18, wherein the transmission includes an indication of a priority of data to be transmitted.

22. The method of claim 18, wherein the transmission provides an indication of a capability of the mobile device.

23. The method of claim 18, wherein the identifier is unique to the mobile device.

24. The method of claim 18, wherein the normal burst is transmitted using the stored timing advance associated with the serving cell.

25. A mobile device, comprising:

a transmitter configured to;

when a timing advance associated with a serving cell is stored in the mobile device, transmit a normal burst on the RACH, wherein the normal burst includes an identifier assigned to the mobile device and uses a normal burst format; and

when a timing advanced associated with a serving cell is not stored in the mobile device, transmit an access burst on the RACH, wherein the mobile station is configured to transmit normal bursts or access bursts on the RACH.

26. The mobile device of claim 25, wherein the transmission is a request for assignment of resource for a subsequent transmission of data.

27. The mobile device of claim 25, wherein the access burst comprises a random identifier selected by the mobile station.

28. The mobile device of claim 25, wherein the transmission includes an indication of a priority of data to be transmitted.

29. The mobile device of claim 25, wherein the transmission provides an indication of a capability of the mobile device.

30. The mobile device of claim 25, wherein the identifier is unique to the mobile device.

31. The mobile device of claim 25, wherein the normal burst is transmitted using the stored timing advance associated with the serving cell.

32. A non-transitory computer readable medium storing instructions to cause a processor to perform operations comprising:

when a timing advance associated with a serving cell is stored in the mobile device, transmitting a normal burst on the RACH, wherein the normal burst includes an identifier assigned to the mobile device and uses a normal burst format; and

when a timing advanced associated with a serving cell is not stored in the mobile device, transmitting an access burst on the RACH, wherein the mobile station is configured to transmit normal bursts or access bursts on the RACH.

33. The computer readable medium of claim 32, wherein the transmission is a request for assignment of resource for a subsequent transmission of data.

34. The computer readable medium of claim 32, wherein the access burst comprises a random identifier selected by the mobile station.

35. The computer readable medium of claim 32, wherein the transmission includes an indication of a priority of data to be transmitted.

36. The computer readable medium of claim 32, wherein the transmission provides an indication of a capability of the mobile device.

37. The computer readable medium of claim 32, wherein the identifier is unique to the mobile device.

38. The computer readable medium of claim 32, the normal burst is transmitted using the stored timing advance associated with the serving cell.