Radio resources configuration signaling in a wireless network
View Patent ↗Aspects described herein relate to configuring radio resources of a control channel for use by base stations and wireless devices. According to some embodiments, one or more control messages may be transmitted by a base station and/or received by a wireless device. The control messages may comprise configuration parameters for the radio resources of the control channel. Exemplary configuration parameters may include an indication of one or more subframes in a frame on a carrier, an indication of a starting symbol corresponding to the control channel in the one or more subframes, and one or more frequency resource parameters for non-overlapping sets of resource blocks in the one or more subframes.
1. A base station comprising:
one or more processors; and
memory storing instructions that, when executed, cause the base station to transmit a control message comprising configuration parameters for radio resources of a control channel, wherein the radio resources comprise a plurality of non-overlapping sets of resource blocks in one or more subframes in a frame associated with a carrier, and wherein the configuration parameters comprise:
an indication of the one or more subframes;
an indication of a starting symbol corresponding to both the control channel and a data channel associated with the control channel in the one or more subframes; and
one or more frequency resource parameters for each non-overlapping set of resource blocks in the plurality of non-overlapping sets of resource blocks.
2. The base station of claim 1 , wherein the instructions further cause the base station to transmit scheduling information via the control channel in a first subframe of the one or more subframes for a packet transmitted on the data channel associated with the control channel in the first subframe.
3. The base station of claim 1 , wherein the indication of the starting symbol indicates a starting position of the control channel in a given subframe of the one or more subframes in terms of a number of symbols in the given subframe.
4. The base station of claim 1 , wherein the control channel is an enhanced physical downlink control channel (enhanced PDCCH).
5. The base station of claim 1 , wherein the frequency resource parameters for each set of resource blocks indicate whether a frequency resource is localized or distributed.
6. The base station of claim 1 , wherein the carrier comprises a plurality of orthogonal frequency division multiplexing (OFDM) subcarriers.
7. The base station of claim 6 , wherein the radio resources of the control channel and second radio resources of the data channel associated with the control channel in a first subframe in the one or more subframes end at an OFDM symbol occurring last in the first subframe.
8. The base station of claim 6 , wherein the radio resources of the control channel and second radio resources of the data channel associated with the control channel in a first subframe in the one or more subframes start from an OFDM symbol occurring first in the first subframe.
9. The base station of claim 1 , wherein the one or more frequency resource parameters further comprise information related to beamforming on each respective non-overlapping set of resource blocks.
10. The base station of claim 1 , wherein the configuration message is a radio resources control (RRC) message.
11. The base station of claim 1 , wherein the one or more subframes is a subset including less than all subframes in the frame.
12. A wireless device comprising:
one or more processors; and
memory storing instructions that, when executed, cause the wireless device to receive a control message comprising configuration parameters for radio resources of a control channel, wherein the radio resources comprise a plurality of non-overlapping sets of resource blocks in a one or more subframes in a frame associated with a carrier, and wherein the configuration parameters comprise:
an indication of the one or more subframes;
an indication of a starting symbol corresponding to both the control channel and a data channel associated with the control channel in the one or more subframes; and
one or more frequency resource parameters for each non-overlapping set of resource blocks in the plurality of non-overlapping sets of resource blocks.
13. The wireless device of claim 12 , wherein the instructions further cause the wireless device to receive scheduling information via the control channel in a first subframe of the one or more subframes for a packet to be received on the data channel associated with the control channel in the first subframe.
14. The wireless device of claim 12 , wherein the indication of the starting symbol indicates a starting position of the control channel in a given subframe of the one or more subframes in terms of a number of symbols in the given subframe.
15. The wireless device of claim 12 , wherein the control channel is an enhanced physical downlink control channel (enhanced PDCCH).
16. The wireless device of claim 12 , wherein the frequency resource parameters for each set of resource blocks indicate whether a frequency resource is localized or distributed.
17. The wireless device of claim 12 , wherein the carrier comprises a plurality of orthogonal frequency division multiplexing (OFDM) subcarriers.
18. The wireless device of claim 17 , wherein the radio resources of the control channel and second radio resources of the data channel associated with the control channel in a first subframe in the one or more subframes end at an OFDM symbol occurring last in the first subframe.
19. The wireless device of claim 17 , wherein the radio resources of the control channel and second radio resources of the data channel associated with the control channel in a first subframe in the one or more subframes start from an OFDM symbol occurring first in the first subframe.
20. The wireless device of claim 12 , wherein the one or more frequency resource parameters further comprise information related to beamforming on each respective non-overlapping set of resource blocks.
21. The wireless device of claim 12 , wherein the configuration message is a radio resources control (RRC) message.
22. The wireless device of claim 12 , wherein the one or more subframes is a subset including less than all subframes in the frame.
23. A method comprising:
transmitting, by a base station, a control message comprising configuration parameters for radio resources of a control channel, wherein the radio resources comprise a plurality of non-overlapping sets of resource blocks in one or more subframes in a frame associated with a carrier, and wherein the configuration parameters comprise:
an indication of the one or more subframes;
an indication of a starting symbol corresponding to both the control channel and a data channel associated with the control channel in the one or more subframes; and
one or more frequency resource parameters for each non-overlapping set of resource blocks in the plurality of non-overlapping sets of resource blocks; and
transmitting, by the base station and via the control channel in a first subframe of the one or more subframes, scheduling information for a packet transmitted on the data channel associated with the control channel.
24. The method of claim 23 , wherein the indication of the starting symbol indicates a starting position of the control channel in a given subframe of the one or more subframes in terms of a number of symbols in the given subframe.
25. The method of claim 23 , wherein the control channel is an enhanced physical downlink control channel (enhanced PDCCH).
26. The method of claim 23 , wherein the frequency resource parameters for each set of resource blocks indicate whether a frequency resource is localized or distributed.
27. The method of claim 23 , wherein the carrier comprises a plurality of orthogonal frequency division multiplexing (OFDM) subcarriers.
28. The method of claim 27 , wherein the radio resources of the control channel and second radio resources of the data channel associated with the control channel in a first subframe in the one or more subframes end at an OFDM symbol occurring last in the first subframe.
29. The method of claim 27 , wherein the radio resources of the control channel and second radio resources of the data channel associated with the control channel in a first subframe in the one or more subframes start from an OFDM symbol occurring first in the first subframe.
30. The method of claim 23 , wherein the one or more frequency resource parameters further comprise information related to beamforming on each respective non-overlapping set of resource blocks.
31. The method of claim 23 , wherein the configuration message is a radio resources control (RRC) message.
32. The method of claim 23 , wherein the one or more subframes is a subset including less than all subframes in the frame.
33. A method comprising:
receiving, by a wireless device and from a base station, a control message comprising configuration parameters for radio resources of a control channel, wherein the radio resources comprise a plurality of non-overlapping sets of resource blocks in a one or more subframes in a frame associated with a carrier, and wherein the configuration parameters comprise:
an indication of the one or more subframes;
an indication of a starting symbol corresponding to both the control channel and a data channel associated with the control channel in the one or more subframes; and
one or more frequency resource parameters for each non-overlapping set of resource blocks in the plurality of non-overlapping sets of resource blocks; and
receiving, by the wireless device, scheduling information via the control channel in a first subframe of the one or more subframes for a packet to be received on the data channel associated with the control channel in the first subframe.
34. The method of claim 33 , wherein the indication of the starting symbol indicates a starting position of the control channel in a given subframe of the one or more subframes in terms of a number of symbols in the given subframe.
35. The method of claim 33 , wherein the control channel is an enhanced physical downlink control channel (enhanced PDCCH).
36. The method of claim 33 , wherein the frequency resource parameters for each set of resource blocks indicate whether a frequency resource is localized or distributed.
37. The method of claim 33 , wherein the carrier comprises a plurality of orthogonal frequency division multiplexing (OFDM) subcarriers.
38. The method of claim 37 , wherein the radio resources of the control channel and second radio resources of the data channel associated with the control channel in a first subframe in the one or more subframes end at an OFDM symbol occurring last in the first subframe.
39. The method of claim 37 , wherein the radio resources of the control channel and second radio resources of the data channel associated with the control channel in a first subframe in the one or more subframes start from an OFDM symbol occurring first in the first subframe.
40. The method of claim 33 , wherein the one or more frequency resource parameters further comprise information related to beamforming on each respective non-overlapping set of resource blocks.
41. The method of claim 33 , wherein the configuration message is a radio resources control (RRC) message.
42. The method of claim 33 , wherein the one or more subframes is a subset including less than all subframes in the frame.