Radio resources configuration signaling in a wireless network

• US 9,265,040 B2
• Filed: 12/23/2013
• Issued: 02/16/2016
• Est. Priority Date: 07/01/2011
• Status: Active Grant

• Current Assignee: Comcast Cable Communications LLC (Comcast Corporation)
• Original Assignee: Comcast Cable Communications LLC (Comcast Corporation)
• Inventors: Dinan, Esmael Hejazi
• Primary Examiner(s): Yao, Kwang B
• Assistant Examiner(s): Loo, Juvena
• Application Number:
  US14/139,287
• Publication Number:
  US 20140105165A1
• Time in Patent Office: 785 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: H04J 11/0069 Cell search, i.e. determining cell identity [cell-ID] design of multiplexing codes H04J13/00; processing access restriction or access information H04W48/16; discovery of network devices for network data management H04W8/005; sounding signals for channel estimation H04L25/0226; structure of reference signals in multicarrier modulation systems H04L27/2613; frame, time or carrier synchronisation in multicarrier modulation systems H04L27/2655
• CPC Class Codes: H04L 27/2692 with preamble design, i.e. with negotiation of the synchronisation sequence with transmitter or sequence linked to the algorithm used at the receiver
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/001 the frequencies being arranged in component carriers
• CPC Class Codes: H04L 5/005 of common pilots, i.e. pilots destined for multiple users or terminals
• CPC Class Codes: H04L 5/0073 Allocation arrangements that take into account other cell interferences for intercell interference mitigation or co-ordination in orthogonal multiplex systems H04J11/005
• CPC Class Codes: H04W 72/20 Control channels or signalling for resource management
• CPC Class Codes: H04W 72/23 in the downlink direction of a wireless link, i.e. towards a terminal
• CPC Class Codes: H04W 72/54 based on quality criteria
• CPC Class Codes: H04W 88/08 Access point devices

Abstract

A wireless device receives an RRC message comprising configuration parameters of radio resources of a control channel. The radio resources comprise multiple sets of resource blocks in a subset of subframes. The RRC message indicates the subset of subframes and a first starting symbol of both the control channel and a data channel in the subset of subframes. The configuration parameters comprise an array of parameters. Each element in the array comprises frequency resource parameters for a set of resource blocks. The multiple sets of resource blocks comprise non-overlapping sets of resource blocks in the subset of subframes.

Claims

1. A base station comprising:

one or more processors; and

memory storing instructions that, when executed, cause the base station to transmit a radio resource control (RRC) 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 subset of subframes in a frame, and wherein the configuration parameters comprise;

an indication of the subset of subframes;

an indication of a starting symbol, the starting symbol corresponding to both the control channel and a data channel associated with the control channel in the subset of 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 subset of subframes for a packet transmitted on the data 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 and the data channel in a given subframe of the subset of subframes in terms of a number of symbols in the given subframe.

4. The base station of claim 1, wherein the radio resources of the control channel and second radio resources of the data channel are configured on a carrier comprising a plurality of orthogonal frequency division multiplexing (OFDM) subcarriers.

5. The base station of claim 1, wherein:

the control channel is an enhanced physical downlink control channel (enhanced PDCCH); and

the data channel is a physical downlink shared channel (PDSCH).

6. 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.

7. The base station of claim 1, wherein the subset of subframes comprises a first subframe, and wherein the radio resources of the control channel and second radio resources of the data channel start from a symbol occurring first in the first subframe.

8. The base station of claim 1, wherein the subset of subframes comprises a first subframe, and wherein the radio resources of the control channel and second radio resources of the data channel end at a symbol occurring last in the first subframe.

9. A wireless device comprising:

one or more processors; and

memory storing instructions that, when executed, cause the wireless device to receive a radio resource control (RRC) 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 subset of subframes in a frame, and wherein the configuration parameters comprise;

an indication of the subset of subframes;

an indication of a starting symbol for both the control channel and a data channel associated with the control channel in the subset of 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.

10. The wireless device of claim 9, wherein the instructions further cause the wireless device to receive scheduling information via the control channel in a first subframe of the subset of subframes for a packet to be received on the data channel in the first subframe.

11. The wireless device of claim 9, wherein the indication of the starting symbol indicates a starting time of the control channel and the data channel in a given subframe of the subset of subframes in terms of a number of symbols in the given subframe.

12. The wireless device of claim 9, wherein the radio resources of the control channel and second radio resources of the data channel are configured on a carrier comprising a plurality of orthogonal frequency division multiplexing (OFDM) subcarriers.

13. The wireless device of claim 9, wherein:

the control channel is an enhanced physical downlink control channel (enhanced PDCCH); and

the data channel is a physical downlink shared channel (PDSCH).

14. The wireless device of claim 13, wherein the frequency resource parameters for each set of resource blocks indicate whether a frequency resource is localized or distributed.

15. The wireless device of claim 12, wherein the radio resources of the control channel and the second radio resources of the data channel in a first subframe in the subset of subframes end at an OFDM symbol occurring last in the first subframe.

16. The wireless device of claim 12, wherein the radio resources of the control channel and the second radio resources of the data channel in a first subframe in the subset of subframes start from an OFDM symbol occurring first in the first subframe.

17. 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.

18. A method comprising:

receiving, by a device, a radio resource control (RRC) 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 subset of subframes in a frame, and wherein the configuration parameters comprise;

an indication of the subset of subframes;

an indication of a starting symbol, the starting symbol corresponding to both said control channel and a data channel associated with the control channel in the subset of 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.

19. The method of claim 18, further comprising receiving scheduling information via the control channel in a first subframe of the subset of subframes for a packet received on the data channel in the first subframe.

20. The method of claim 19, further comprising:

receiving second scheduling information on the control channel;

transmitting a second packet on an uplink channel according to the second scheduling information; and

receiving a positive or negative acknowledgement using second radio resources of a hybrid automatic repeat request (HARQ) channel, the second radio resources starting at a symbol occurring first in a second subframe in the frame.

21. The method of claim 18, wherein the indication of the starting symbol indicates a starting position of the control channel and the data channel in a given subframe of the subset of subframes in terms of a number of symbols in the given subframe.

22. The method of claim 18, wherein a plurality of control channels are transmitted in a given subframe of the subset of subframes.

23. A method comprising:

transmitting, by a device, a radio resource control (RRC) 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 subset of subframes in a frame, and wherein the configuration parameters comprise;

an indication of the subset of subframes;

an indication of a starting symbol for both the control channel and a data channel associated with the control channel in the subset of 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.

24. The method of claim 23, further comprising transmitting scheduling information via the control channel in a first subframe of the subset of subframes for a packet transmitted on the data channel in the first subframe.

25. The method of claim 23, wherein the frequency resource parameters comprise a starting frequency offset in terms of a number of radio resource blocks in a given subframe.

26. The method of claim 23, wherein the frequency resource parameters comprise a bandwidth of the control channel in terms of a number of radio resource blocks in a given subframe.

27. The method of claim 23, wherein the indication of the starting symbol comprises a starting position of the control channel and the data channel in a given subframe of the subset of subframes in terms of a number of symbols in the given subframe.

28. The method of claim 23, wherein the frequency resource parameters comprise an ending position in a given subframe of the subset of subframes in terms of a number of symbols or a number of slots in the given subframe.

29. The method of claim 23, wherein the frequency resource parameters comprise beamforming information for the control channel.

30. The method of claim 23, wherein a plurality of control channels are transmitted in a given subframe of the subset of subframes.