Requesting a communication resource in a wireless network
View Patent ↗Obtaining access to a physical uplink shared channel that is shared by a plurality of mobile stations in a wireless network is disclosed. A mobile station may receive dedicated configuration information for an uplink control channel. The mobile station may send to the wireless network over the uplink control channel a request for access to the physical uplink shared channel. The mobile station receives a physical uplink shared channel allocation in response to the request.
1. A method comprising:
sending, by a wireless network to a user equipment (UE), dedicated configuration information for an uplink control channel;
configuring, by the UE, the uplink control channel in response to the sent dedicated configuration information;
receiving, by the wireless network from the UE, a request over the uplink control channel to utilize a physical uplink shared channel, wherein the physical uplink shared channel is shared by a plurality of UEs and wherein the request is communicated at a first power and other information is communicated at a second power over the uplink control channel;
sending, by the wireless network to the UE, a physical uplink shared channel allocation in response to the request; and
sending, by the UE, information over the physical uplink shared channel.
2. The method of claim 1 , wherein the physical uplink shared channel allocation is sent over a downlink common channel.
3. The method of claim 1 , wherein the uplink control channel is one of dedicated, a dedicated control channel (DCCH), or a dedicated channel (DCH).
4. The method of claim 1 , wherein the physical uplink shared channel allocation is determined at the wireless network in response to an indication of buffer occupancy.
5. The method of claim 1 , wherein the wireless network or the UE uses time division duplex (TDD) for wireless communication.
6. The method of claim 1 , further comprising:
sending, by the UE, a signal on a random access channel prior to the sending the dedicated configuration information.
7. The method of claim 1 , wherein the UE is in a cell_DCH state.
8. A method performed by a network device, the method comprising:
sending, by the network device to a user equipment (UE), dedicated configuration information to configure an uplink control channel;
receiving, by the network device from the UE, a request over the uplink control channel to utilize a physical uplink shared channel, wherein the physical uplink shared channel is shared by a plurality of UEs and wherein the request is communicated at a first power and other information is communicated at a second power over the uplink control channel; and
sending, by the network device to the UE, a physical uplink shared channel allocation in response to the request.
9. The method of claim 8 , wherein the physical uplink shared channel allocation is sent over a downlink common channel.
10. The method of claim 8 , wherein the uplink control channel is one of dedicated, a dedicated control channel (DCCH), or a dedicated channel (DCH).
11. The method of claim 8 , wherein the physical uplink shared channel allocation is determined at the network device in response to an indication of buffer occupancy.
12. The method of claim 8 , wherein the UE is in a cell_DCH state or the network device is configured for time division duplex (TDD).
13. A method performed by a user equipment (UE), the method comprising:
receiving, by the UE from a network device, dedicated configuration information for an uplink control channel;
configuring, by the UE, the uplink control channel in response to the received dedicated configuration information;
sending, by the UE to the network device, a request over the uplink control channel to utilize a physical uplink shared channel, wherein the physical uplink shared channel is shared by a plurality of UEs and wherein the request is communicated at a first power and other information is communicated at a second power over the uplink control channel; and
receiving, by the UE from the network device, a physical uplink shared channel allocation in response to the request.
14. The method of claim 13 , wherein the physical uplink shared channel allocation is received over a downlink common channel.
15. The method of claim 13 , wherein the uplink control channel is one of dedicated, a dedicated control channel (DCCH), or a dedicated channel (DCH).
16. The method of claim 13 , wherein the physical uplink shared channel allocation is determined at the network device in response to an indication of buffer occupancy.
17. The method of claim 13 , wherein the UE uses time division duplex (TDD) for wireless communication.
18. The method of claim 13 , further comprising:
sending, by the UE, a signal on a random access channel prior to the receiving the dedicated configuration information.
19. The method of claim 13 , wherein the UE is in a cell_DCH state.
20. A wireless network comprising:
a network device comprising:
circuitry configured to send, to a user equipment (UE), dedicated configuration information for an uplink control channel;
circuitry configured to receive, from the UE, a request over the uplink control channel to utilize a physical uplink shared channel, wherein the physical uplink shared channel is shared by a plurality of UEs and wherein the request is communicated at a first power and other information is communicated at a second power over the uplink control channel; and
the circuitry further configured to send, to the UE, a physical uplink shared channel allocation in response to the request;
and
the UE comprising:
circuitry to configure the uplink control channel in response to the sent dedicated configuration information; and
circuitry configured to send information over the physical uplink shared channel.
21. The wireless network of claim 20 , wherein the physical uplink shared channel allocation is sent over a downlink common channel.
22. The wireless network of claim 20 , wherein the uplink control channel is one of dedicated, a dedicated control channel (DCCH), or a dedicated channel (DCH).
23. The wireless network of claim 20 , wherein the physical uplink shared channel allocation is determined at the wireless network in response to an indication of buffer occupancy.
24. The wireless network of claim 20 , wherein the wireless network or the UE uses time division duplex (TDD) for wireless communication.
25. The wireless network of claim 20 , further comprising:
the UE is further configured to send a signal on a random access channel prior to the receipt of the dedicated configuration information.
26. The wireless network of claim 20 , wherein the UE is in a cell_DCH state.
27. A network device comprising:
circuitry configured to send, to a user equipment (UE), dedicated configuration information to configure an uplink control channel;
circuitry configured to receive, from the UE, a request over the uplink control channel to utilize a physical uplink shared channel, wherein the physical uplink shared channel is shared by a plurality of UEs and wherein the request is communicated at a first power and other information is communicated at a second power over the uplink control channel; and
the circuitry further configured to send, to the UE, a physical uplink shared channel allocation in response to the request.
28. The network device of claim 27 , wherein the physical uplink shared channel allocation is sent over a downlink common channel.
29. The network device of claim 27 , wherein the uplink control channel is one of dedicated, a dedicated control channel (DCCH), or a dedicated channel (DCH).
30. The network device of claim 27 , wherein the physical uplink shared channel allocation is determined at the network device in response to an indication of buffer occupancy.
31. The network device of claim 27 , wherein the UE is in a cell_DCH state or the network device is configured for time division duplex (TDD).
32. A user equipment (UE) comprising:
circuitry configured to receive, from a network device, dedicated configuration information for an uplink control channel;
circuitry to configure the uplink control channel in response to the received dedicated configuration information;
circuitry configured to send, to the network device, a request over the uplink control channel to utilize a physical uplink shared channel, wherein the physical uplink shared channel is shared by a plurality of UEs and wherein the request is communicated at a first power and other information is communicated at a second power over the uplink control channel; and
circuitry configured to receive, from the network device, a physical uplink shared channel allocation in response to the request.
33. The UE of claim 32 , wherein the physical uplink shared channel allocation is received over a downlink common channel.
34. The UE of claim 32 , wherein the uplink control channel is one of dedicated, a dedicated control channel (DCCH), or a dedicated channel (DCH).
35. The UE of claim 32 , wherein the physical uplink shared channel allocation is determined at the network device in response to an indication of buffer occupancy.
36. The UE of claim 32 , wherein the UE uses time division duplex (TDD) for wireless communication.
37. The UE of claim 32 , further comprising:
the circuitry further configured to send a signal on a random access channel prior to the reception of the dedicated configuration information.
38. The UE of claim 32 , wherein the UE is in a cell_DCH state.