Preamble design aspects for high efficiency wireless local area networks
Methods, apparatuses, and computer readable media for resource allocation signaling in a high efficiency wireless local area network (WLAN) are disclosed. A transmitter may generate an indication that a first channel of a plurality of channels associated with a transmission frame has been punctured, the transmission frame including a WLAN signaling field. The transmitter may identify information associated with the WLAN signaling field corresponding to the punctured first channel. The transmitter may transmit the information associated with the WLAN signaling field in a second channel of the plurality of channels. The transmitter may transmit the indication that the first channel has been punctured in the second channel or in a second WLAN signaling field of the transmission frame.
1. A method for wireless communication, comprising:
generating an indication that a first channel of a plurality of channels associated with a transmission frame has been punctured, the transmission frame including a wireless local area network (WLAN) signaling field;
identifying information associated with the WLAN signaling field corresponding to the punctured first channel;
selecting, based at least in part on the punctured first channel, a resource unit (RU) allocation bit sequence;
transmitting the information associated with the WLAN signaling field in a second channel of the plurality of channels; and
transmitting the indication that the first channel has been punctured in the second channel or in a second WLAN signaling field of the transmission frame.
2. The method of claim 1 , wherein the second WLAN signaling field of the transmission frame comprises a bandwidth field indicating both a bandwidth associated with the transmission frame and a location of the second channel within the plurality of channels.
3. The method of claim 1 , wherein the WLAN signaling field comprises a high efficiency signaling A (HE-SIG-A) field of the first channel or the second channel and the second WLAN signaling field comprises a high efficiency signaling B (HE-SIG-B) field of the second channel.
4. The method of claim 1 , further comprising:
transmitting the RU allocation bit sequence to convey the information associated with the WLAN signaling field corresponding to the punctured first channel.
5. The method of claim 4 , wherein the RU allocation bit sequence is transmitted in a high efficiency (HE) signaling B (HE-SIG-B) field of the transmission frame.
6. The method of claim 1 , wherein the first channel comprises a secondary 20 MHz channel of the transmission frame, the transmission frame having an 80 MHz bandwidth.
7. The method of claim 6 , wherein the indication comprises a bandwidth subfield set to 4.
8. The method of claim 1 , wherein the first channel comprises a 20 MHz sub-channel of a 40 MHz secondary channel of the transmission frame, the transmission frame having an 80 MHz bandwidth.
9. The method of claim 8 , wherein the indication comprises a bandwidth subfield set to 5.
10. The method of claim 1 , wherein the first channel comprises a 20 MHz sub-channel of an 80 MHz primary channel of the transmission frame, the transmission frame having a cumulative bandwidth of 160 MHz.
11. The method of claim 10 , wherein the indication comprises a bandwidth subfield set to 6.
12. The method of claim 1 , wherein the WLAN signaling field comprises a high efficiency (HE) signaling A (HE-SIG-A) field, and the indication is associated with a bandwidth subfield of the HE-SIG-A field.
13. The method of claim 1 , wherein the WLAN signaling field is associated with a high efficiency multi-user (MU) physical layer convergence protocol data unit (PPDU).
14. The method of claim 1 , further comprising:
identifying a bandwidth associated with the transmission frame;
identifying a location for one or more content channels within the bandwidth; and
transmitting the transmission frame including the WLAN signaling field indicating both the bandwidth and the location for the one or more content channels within the bandwidth of the transmission frame.
15. An apparatus for wireless communication, comprising:
means for generating an indication that a first channel of a plurality of channels associated with a transmission frame has been punctured, the transmission frame including a wireless local area network (WLAN) signaling field;
means for identifying information associated with the WLAN signaling field corresponding to the punctured first channel;
means for selecting, based at least in part on the punctured first channel, a resource unit (RU) allocation bit sequence;
means for transmitting the information associated with the WLAN signaling field in a second channel of the plurality of channels; and
means for transmitting the indication that the first channel has been punctured in the second channel or in a second WLAN signaling field of the transmission frame.
16. An apparatus for wireless communication, comprising:
a memory; and
a processor coupled with the memory and configured to:
generate an indication that a first channel of a plurality of channels associated with a transmission frame has been punctured, the transmission frame including a wireless local area network (WLAN) signaling field;
identify information associated with the WLAN signaling field corresponding to the punctured first channel;
select, based at least in part on the punctured first channel, a resource unit (RU) allocation bit sequence;
transmit the information associated with the WLAN signaling field in a second channel of the plurality of channels; and
transmit the indication that the first channel has been punctured in the second channel or in a second WLAN signaling field of the transmission frame.
17. The apparatus of claim 16 , wherein:
the second WLAN signaling field of the transmission frame comprises a bandwidth field indicating both a bandwidth associated with the transmission frame and a location of the second channel within the plurality of channels.
18. The apparatus of claim 16 , wherein:
the WLAN signaling field comprises a high efficiency signaling A (HE-SIG-A) field of the first channel or the second channel and the second WLAN signaling field comprises a high efficiency signaling B (HE-SIG-B) field of the second channel.
19. The apparatus of claim 16 , wherein the processor and memory are further configured to:
transmit the RU allocation bit sequence to convey the information associated with the WLAN signaling field corresponding to the punctured first channel.
20. The apparatus of claim 19 , wherein:
the RU allocation bit sequence is transmitted in a high efficiency (HE) signaling B (HE-SIG-B) field of the transmission frame.
21. The apparatus of claim 16 , wherein:
the first channel comprises a secondary 20 MHz channel of the transmission frame, the transmission frame having an 80 MHz bandwidth.
22. The apparatus of claim 21 , wherein:
the indication comprises a bandwidth subfield set to 4.
23. The apparatus of claim 16 , wherein:
the first channel comprises a 20 MHz sub-channel of a 40 MHz secondary channel of the transmission frame, the transmission frame having an 80 MHz bandwidth.
24. The apparatus of claim 23 , wherein:
the indication comprises a bandwidth subfield set to 5.
25. The apparatus of claim 16 , wherein:
the first channel comprises a 20 MHz sub-channel of an 80 MHz primary channel of the transmission frame, the transmission frame having a cumulative bandwidth of 160 MHz.
26. The apparatus of claim 25 , wherein:
the indication comprises a bandwidth subfield set to 6.
27. The apparatus of claim 25 , wherein:
the WLAN signaling field comprises a high efficiency signaling A (HE-SIG-A) field, and the indication is associated with a bandwidth subfield of the HE-SIG-A field.
28. The apparatus of claim 16 , wherein the processor and memory are further configured to:
identify a bandwidth associated with the transmission frame;
identify a location for one or more content channels within the bandwidth; and
transmit the transmission frame including a WLAN signaling field indicating both the bandwidth and the location for the one or more content channels within the bandwidth of the transmission frame.
29. A non-transitory computer readable medium storing code for wireless communication, the code comprising instructions executable by a processor to:
generate an indication that a first channel of a plurality of channels associated with a transmission frame has been punctured, the transmission frame including a wireless local area network (WLAN) signaling field;
identify information associated with the WLAN signaling field corresponding to the punctured first channel;
select, based at least in part on the punctured first channel, a resource unit (RU) allocation bit sequence;
transmit the information associated with the WLAN signaling field in a second channel of the plurality of channels; and
transmit the indication that the first channel has been punctured in the second channel or in a second WLAN signaling field of the transmission frame.