For an uplink control channel

1. A method for wireless communication by a user equipment (UE), comprising:

determining a tone mapping pattern having resources assigned for transmitting an uplink control channel, wherein the tone mapping pattern assigns a plurality of tones in a frequency domain and no more than a single symbol or no more than a portion of the single symbol in a time domain; and

transmitting the uplink control channel using the assigned resources of the tone mapping pattern.

2. The method of claim 1 , wherein, in the tone mapping pattern, at least one of a density of a pilot, a location of the pilot in the frequency domain, or a location of the pilot in the time domain is different from another tone mapping pattern.

3. The method of claim 2 , wherein information regarding at least one of the density of the pilot, the location of the pilot in the frequency domain, and the density of the pilot in the time domain is received via at least one of semi-static Radio Resource Control (RRC) signaling or Physical Downlink Control Channel (PDCCH) dynamic signaling.

4. The method of claim 1 , wherein the plurality of tones include one cluster of contiguous tones within a subband.

5. The method of claim 4 , wherein the cluster hops between subbands across the single symbol or the portion of the single symbol and another symbol or a portion of the other symbol in the time domain.

6. The method of claim 5 , further comprising:

transmitting a Sounding Reference Signal (SRS) for determination of channel conditions between the UE and a serving base station; and

receiving information regarding at least one of the subbands, wherein the at least one subband was selected based on the channel conditions between the UE and the serving base station,

wherein the information is received in at least one of a downlink control channel or via semi-static Radio Resource Control (RRC) signaling, wherein the information includes information regarding a time period for which the UE is to use the at least one subband.

7. The method of claim 5 , further comprising:

determining at least one of the subbands based on resources assigned to at least one of a downlink control channel or a downlink data channel.

8. The method of claim 1 , wherein the plurality of tones includes at least one group of multiple clusters of contiguous tones, each cluster including one or more of the plurality of tones.

9. The method of claim 8 , wherein the at least one group of multiple clusters of contiguous tones is assigned within a subband.

10. The method of claim 8 , wherein the clusters of the at least one group of multiple clusters of contiguous tones are spread over a system bandwidth.

11. The method of claim 10 , wherein each cluster of the group of clusters hops frequencies across the single symbol or the portion of the single symbol and another symbol or a portion of the other symbol in the time domain.

12. The method of claim 1 , wherein the tone mapping pattern comprises the uplink control channel frequency division multiplexed with at least one other uplink control channel.

13. The method of claim 12 , wherein the tone mapping pattern comprises the control channel resources for the UE code division multiplexed with control channel resources for at least one other UE.

14. A method for wireless communication by a Base Station (BS), comprising:

determining a tone mapping pattern having resources assigned for an uplink control channel, wherein the tone mapping pattern assigns a plurality of tones in a frequency domain and no more than a single symbol or no more than a portion of the single symbol in a time domain;

transmitting information regarding the determined tone mapping pattern to at least one UE; and

receiving the uplink control channel based on the tone mapping pattern.

15. The method of claim 14 , wherein, in the tone mapping pattern, at least one of a density of a pilot, a location of the pilot in the frequency domain, or a location of the pilot in the time domain is different from another tone mapping pattern.

16. The method of claim 15 , wherein transmitting the information comprises transmitting information regarding at least one of the density of the pilot, the location of the pilot in the frequency domain, and the density of the pilot in the time domain via at least one of semi-static Radio Resource Control (RRC) signaling or Physical Downlink Control Channel (PDCCH) dynamic signaling.

17. The method of claim 14 , wherein the plurality of tones include one cluster of contiguous tones within a subband.

18. The method of claim 17 , wherein the cluster hops between subbands across the single symbol or the portion of the single symbol and another symbol or a portion of the other symbol in the time domain.

19. The method of claim 18 , further comprising:

receiving a Sounding Reference Signal (SRS) from the at least one UE;

determining channel conditions between the B S and the at least one UE based on the received SRS;

selecting at least one of the subbands based on the determined channel conditions; and

transmitting information regarding the at least one subband to the at least one UE,

wherein the information is transmitted in at least one of a downlink control channel or via semi-static Radio Resource Control (RRC) signaling, wherein the information includes information regarding a time period for which the at least one UE is to use the at least one subband.

20. The method of claim 14 , wherein the plurality of tones include at least one group of multiple clusters of contiguous tones, each cluster including one or more of the plurality of tones.

21. The method of claim 20 , wherein the at least one group of multiple clusters is assigned within a subband.

22. The method of claim 20 , wherein the at least one clusters of the group of multiple clusters are spread over a system bandwidth.

23. The method of claim 22 , wherein each cluster of the group of clusters hops frequencies across the single symbol or the portion of the single symbol and another symbol or a portion of the other symbol in the time domain.

24. The method of claim 14 , wherein transmitting the information regarding the tone mapping pattern comprises transmitting the information via semi-static Radio Resource Control (RRC) signaling.

25. The method of claim 14 , wherein the tone mapping pattern comprises the uplink control channel frequency division multiplexed with at least one other uplink control channel.

26. The method of claim 25 , wherein the tone mapping pattern comprises control channel resources for the at least one UE code division multiplexed with control channel resources for at least one other UE.

27. An apparatus for wireless communication by a user equipment (UE), comprising:

means for determining a tone mapping pattern having resources assigned for transmitting an uplink control channel, wherein the tone mapping pattern assigns a plurality of tones in a frequency domain and no more than a single symbol or no more than a portion of the single symbol in a time domain; and

means for transmitting the uplink control channel using the assigned resources of the tone mapping pattern.

28. An apparatus for wireless communication by a Base Station (BS), comprising:

means for determining a tone mapping pattern having resources assigned for an uplink control channel, wherein the tone mapping pattern assigns a plurality of tones in a frequency domain and no more than a single symbol or no more than a portion of the single symbol in a time domain;

means for transmitting information regarding the determined tone mapping pattern to at least one UE; and

means for receiving the uplink control channel based on the tone mapping pattern.