Flexible control information reporting
Aspects of the present disclosure provide a mechanism for flexible control information reporting within a wireless communication network by mapping a plurality of hybrid automatic repeat request (HARQ) processes to respective locations in a payload format of an uplink control channel. In response to receiving a request to transmit acknowledgment information corresponding to one or more selected HARQ processes, the acknowledgment information corresponding to the one or more selected HARQ processes may be included in the respective locations of the payload of a current uplink control channel based on the mapping. A remaining portion of the payload of the current uplink control channel may be flexibly utilized for other control information.
1 . An apparatus for wireless communication at a user equipment (UE), comprising:
one or more memories; and
one or more processors coupled to the one or more memories, the one or more processors configured to cause the UE to:
receive a request to transmit acknowledgment information corresponding to one or more selected hybrid automatic repeat request (HARQ) processes of a plurality of HARQ processes on an uplink control channel, the uplink control channel comprising a payload that has an acknowledgement section;
group the acknowledgment section into one or more segments, wherein each of the one or more segments is mapped to one of the plurality of HARQ processes and each of the one or more segments includes a plurality of payload bits, wherein the request indicates one or more selected segments of the one or more segments to include in the acknowledgment section of the payload of the uplink control channel; and
transmit the uplink control channel comprising the acknowledgment information corresponding to the one or more selected HARQ processes.
2 . The apparatus of claim 1 , wherein the uplink control channel further comprises control information in a remaining portion of the payload.
3 . The apparatus of claim 2 , wherein the control information comprises one or more of beam information, channel quality information, or scheduling requests.
4 . The apparatus of claim 2 , wherein the control information comprises one or more of channel quality information or scheduling requests.
5 . The apparatus of claim 1 , wherein the one or more processors are further configured to cause the UE to:
group the acknowledgement information into equal segments.
6 . The apparatus of claim 1 , wherein the one or more processors are further configured to cause the UE to:
receive a downlink control channel including the request.
7 . A method of wireless communication operable at a user equipment (UE), the method comprising:
receiving a request to transmit acknowledgment information corresponding to one or more selected hybrid automatic repeat request (HARQ) processes of a plurality of HARQ processes on an uplink control channel, the uplink control channel comprising a payload having an acknowledgement section;
grouping the acknowledgment section into one or more segments, wherein each of the one or more segments is mapped to one of the plurality of HARQ processes and each of the one or more segments includes a plurality of payload bits, wherein the request indicates one or more selected segments of the one or more segments to include in the acknowledgment section of the payload of the uplink control channel, and
transmitting the uplink control channel comprising the acknowledgment information corresponding to the one or more selected HARQ processes.
8 . The method of claim 7 , wherein the uplink control channel further comprises control information in a remaining portion of the payload.
9 . The method of claim 8 , wherein the control information comprises one or more of beam information, channel quality information, or scheduling requests.
10 . The method of claim 7 , wherein the grouping the acknowledgement information into the one or more segments further comprises:
grouping the acknowledgement information into equal segments.
11 . The method of claim 7 , wherein the receiving the request to transmit the acknowledgement information corresponding to the one or more selected HARQ processes further comprises:
receiving a downlink control channel including the request.
12 . An apparatus for wireless communication at a network element, comprising:
one or more memories; and
one or more processors coupled to the one or more memories, the one or more processors configured to cause the network element to:
provide a request to transmit acknowledgment information corresponding to one or more selected hybrid automatic repeat request (HARQ) processes of a plurality of HARQ processes on an uplink control channel; and
obtain the uplink control channel comprising the acknowledgment information corresponding to the one or more selected HARQ processes, the uplink control channel comprising a payload that has an acknowledgement section, wherein the acknowledgement section is grouped into one or more segments, wherein each of the one or more segments is mapped to one of the plurality of HARQ processes and each of the one or more segments includes a plurality of payload bits, wherein the request indicates one or more selected segments of the one or more segments to include in the acknowledgment section of the payload of the uplink control channel.
13 . The apparatus of claim 12 , wherein the uplink control channel further comprises control information in a remaining portion of the payload.
14 . The apparatus of claim 13 , wherein the control information comprises one or more of beam information, channel quality information, or scheduling requests.
15 . The apparatus of claim 13 , wherein the control information comprises one or more of channel quality information or scheduling requests.
16 . The apparatus of claim 12 , wherein the acknowledgement information is grouped into equal segments.
17 . The apparatus of claim 12 , wherein the one or more processors are further configured to cause the network element to:
provide a downlink control channel including the request.
18 . A method of wireless communication operable at a network element, the method comprising:
providing a request to transmit acknowledgment information corresponding to one or more selected hybrid automatic repeat request (HARQ) processes of a plurality of HARQ processes on an uplink control channel; and
obtaining the uplink control channel comprising the acknowledgment information corresponding to the one or more selected HARQ processes, the uplink control channel comprising a payload having an acknowledgement section, wherein the acknowledgement section is grouped into one or more segments, wherein each of the one or more segments is mapped to one of the plurality of HARQ processes and each of the one or more segments includes a plurality of payload bits, wherein the request indicates one or more selected segments of the one or more segments to include in the acknowledgment section of the payload of the uplink control channel.
19 . The method of claim 18 , wherein the uplink control channel further comprises control information in a remaining portion of the payload.
20 . The method of claim 19 , wherein the control information comprises one or more of beam information, channel quality information, or scheduling requests.
21 . The method of claim 18 , wherein the acknowledgement information is grouped into equal segments.
22 . The method of claim 18 , wherein the providing the request to transmit the acknowledgement information corresponding to the one or more selected HARQ processes further comprises:
providing a downlink control channel including the request.
23 . A user equipment (UE), comprising:
means for receiving a request to transmit acknowledgment information corresponding to one or more selected hybrid automatic repeat request (HARQ) processes of a plurality of HARQ processes on an uplink control channel, the uplink control channel comprising a payload having an acknowledgement section;
means for grouping the acknowledgment section into one or more segments, wherein each of the one or more segments is mapped to one of the plurality of HARQ processes and each of the one or more segments includes a plurality of payload bits, wherein the request indicates one or more selected segments of the one or more segments to include in the acknowledgment section of the payload of the uplink control channel, and
means for transmitting the uplink control channel comprising the acknowledgment information corresponding to the one or more selected HARQ processes.
24 . The UE of claim 23 , wherein the uplink control channel further comprises control information in a remaining portion of the payload.
25 . The UE of claim 24 , wherein the control information comprises one or more of beam information, channel quality information, or scheduling requests.
26 . The UE of claim 23 , wherein the means for grouping further comprises:
means for grouping the acknowledgement information into equal segments.
27 . The UE of claim 23 , wherein the means for receiving the request further comprises:
means for receiving a downlink control channel including the request.
28 . A network element, comprising:
means for providing a request to transmit acknowledgment information corresponding to one or more selected hybrid automatic repeat request (HARQ) processes of a plurality of HARQ processes on an uplink control channel; and
means for obtaining the uplink control channel comprising the acknowledgment information corresponding to the one or more selected HARQ processes, the uplink control channel comprising a payload having an acknowledgement section, wherein the acknowledgement section is grouped into one or more segments, wherein each of the one or more segments is mapped to one of the plurality of HARQ processes and each of the one or more segments includes a plurality of payload bits, wherein the request indicates one or more selected segments of the one or more segments to include in the acknowledgment section of the payload of the uplink control channel.
29 . The network element of claim 28 , wherein the uplink control channel further comprises control information in a remaining portion of the payload.
30 . The network element of claim 29 , wherein the control information comprises one or more of beam information or channel quality information, channel quality information, or scheduling requests.
31 . The network element of claim 28 , wherein the acknowledgement information is grouped into equal segments.
32 . The network element of claim 28 , wherein the means for providing the request to transmit the acknowledgement information further comprises:
means for providing a downlink control channel including the request.
33 . A non-transitory computer-readable medium having stored therein instructions executable by one or more processors of a user equipment (UE) to cause the UE to:
receive a request to transmit acknowledgment information corresponding to one or more selected hybrid automatic repeat request (HARQ) processes of a plurality of HARQ processes on an uplink control channel, the uplink control channel comprising a payload that has an acknowledgement section;
group the acknowledgment section into one or more segments, wherein each of the one or more segments is mapped to one of the plurality of HARQ processes and each of the one or more segments includes a plurality of payload bits, wherein the request indicates one or more selected segments of the one or more segments to include in the acknowledgment section of the payload of the uplink control channel; and
transmit the uplink control channel comprising the acknowledgment information corresponding to the one or more selected HARQ processes.
34 . The non-transitory computer-readable medium of claim 33 , wherein the uplink control channel further comprises control information in a remaining portion of the payload.
35 . The non-transitory computer-readable medium of claim 34 , wherein the control information comprises one or more of beam information, channel quality information, or scheduling requests.
36 . The non-transitory computer-readable medium of claim 33 , further comprising instructions executable by the one or more processors of the UE to cause the UE to:
group the acknowledgement information into equal segments.
37 . The non-transitory computer-readable medium of claim 33 , further comprising instructions executable by the one or more processors of the UE to cause the UE to:
receive a downlink control channel including the request.
38 . A non-transitory computer-readable medium having stored therein instructions executable by one or more processors of a network element to cause the network element to:
provide a request to transmit acknowledgment information corresponding to one or more selected hybrid automatic repeat request (HARQ) processes of a plurality of HARQ processes on an uplink control channel; and
obtain the uplink control channel comprising the acknowledgment information corresponding to the one or more selected HARQ processes, the uplink control channel comprising a payload that has an acknowledgement section, wherein the acknowledgement section is grouped into one or more segments, wherein each of the one or more segments is mapped to one of the plurality of HARQ processes and each of the one or more segments includes a plurality of payload bits, wherein the request indicates one or more selected segments of the one or more segments to include in the acknowledgment section of the payload of the uplink control channel.
39 . The non-transitory computer-readable medium of claim 38 , wherein the uplink control channel further comprises control information in a remaining portion of the payload.
40 . The non-transitory computer-readable medium of claim 39 , wherein the control information comprises one or more of beam information, channel quality information, or scheduling requests.
41 . The non-transitory computer-readable medium of claim 38 , wherein the acknowledgement information is grouped into equal segments.
42 . The non-transitory computer-readable medium of claim 38 , further comprising instructions executable by the one or more processors of the network element to cause the network element to:
provide a downlink control channel including the request.
43 . An apparatus for wireless communication at a user equipment (UE), comprising:
one or more memories; and
one or more processors coupled to the one or more memories, the one or more processors configured to cause the UE to:
map a plurality of hybrid automatic repeat request (HARQ) processes to respective locations in an acknowledgment section of a payload format of an uplink control channel, wherein the payload format of the uplink control channel further comprises a control information section;
receive a request from a network element to transmit acknowledgment information corresponding to one or more selected HARQ processes of the plurality of HARQ processes on a current uplink control channel, the current uplink control channel comprising a payload having the payload format;
group the acknowledgment section into segments, wherein one or more selected ones of the segments include payload bits and each of the payload bits is mapped to one of the one or more selected HARQ processes, wherein the request indicates the one or more selected ones of the segments mapped to the one or more selected HARQ processes to be included in the acknowledgment section of the payload of the current uplink control channel; and
transmit the current uplink control channel comprising the acknowledgment section of the payload based on the mapping, wherein the acknowledgement section includes acknowledgement information corresponding to the one or more selected HARQ processes and wherein the current uplink control channel further comprises other control information in a remaining portion of the payload comprising the control information section of the payload format of the uplink control channel.
44 . The apparatus of claim 43 , wherein the one or more processors are further configured to cause the UE to:
group the acknowledgment section into equal segments.
45 . The apparatus of claim 43 , wherein the one or more processors are further configured to cause the UE to:
group the acknowledgment section into non-equal segments.
46 . The apparatus of claim 43 , wherein the one or more processors are further configured to cause the UE to:
receive a downlink control channel including the request from the network element.
47 . The apparatus of claim 43 , wherein the other control information comprises one or more of beam information, channel quality information, or scheduling requests.
48 . An apparatus for wireless communication at a user equipment (UE), comprising:
one or more memories; and
one or more processors coupled to the one or more memories, the one or more processors configured to cause the UE to:
map a plurality of hybrid automatic repeat request (HARQ) processes to respective locations in an acknowledgment section of a payload format of an uplink control channel, wherein the payload format of the uplink control channel further comprises a control information section;
receive a request from a network element to transmit acknowledgment information corresponding to one or more selected HARQ processes of the plurality of HARQ processes on a current uplink control channel, the current uplink control channel comprising a payload having the payload format;
group the acknowledgment section into segments, wherein one or more selected ones of the segments include payload bits and each of the payload bits is mapped to one of the one or more selected HARQ processes, wherein the request indicates the one or more selected ones of the segments mapped to the one or more selected HARQ processes to be included in the acknowledgment section of the payload of the current uplink control channel; and
transmit the current uplink control channel comprising the acknowledgment section of the payload based on the mapping, wherein the acknowledgement section includes acknowledgement information corresponding to the one or more selected HARQ processes and wherein the current uplink control channel further comprises other control information in a remaining portion of the payload.
49 . The apparatus of claim 48 , wherein the one or more processors are further configured to cause the UE to:
group the acknowledgment section into equal segments.
50 . The apparatus of claim 48 , wherein the one or more processors are further configured to causes the UE to:
group the acknowledgment section into non-equal segments.
51 . The apparatus of claim 48 , wherein the one or more processors are further configured to cause the UE to:
receive a downlink control channel including the request from the network element.
52 . The apparatus of claim 48 , wherein the other control information comprises one or more of beam information, channel quality information, or scheduling requests.