Format of vht-sig-b and service fields in ieee 802.11ac
AssigneeQUALCOMM Incorporated
InventorsDidier Johannes Richard Van Nee, Albert Van Zelst, Simone Merlin, Hemanth Sampath
Life of this patent
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Abstract
Methods and apparatus for transmitting and receiving frames with various Very High Throughput Signal B (VHT-SIG-B) and Service field formats are provided. Some of these formats may be in accordance with the IEEE 802.11ac amendment to the wireless local area network (WLAN) standard.
Claims144
A method for wireless communications, comprising:
- generating a frame having a preamble portion and a data portion, wherein the preamble portion comprises a field indicating a length of useful data in the data portion and wherein both the field and the data portion use the same number of subcarriers;
- and
- transmitting the generated frame.
An apparatus for wireless communications, comprising:
- a processing system configured to generate a frame having a preamble portion and a data portion, wherein the preamble portion comprises a field indicating a length of useful data in the data portion and wherein both the field and the data portion use the same number of subcarriers;
- and
- a transmitter configured to transmit the generated frame.
An apparatus for wireless communications, comprising:
- means for generating a frame having a preamble portion and a data portion, wherein the preamble portion comprises a field indicating a length of useful data in the data portion and wherein both the field and the data portion use the same number of subcarriers;
- and
- means for transmitting the generated frame.
A computer-program product for wireless communications, comprising a computer-readable medium comprising instructions executable to:
- generate a frame having a preamble portion and a data portion, wherein the preamble portion comprises a field indicating a length of useful data in the data portion and wherein both the field and the data portion use the same number of subcarriers;
- and
- transmit the generated frame.
A method for wireless communications, comprising:
- receiving a frame having a preamble portion and a data portion, wherein the preamble portion comprises a field indicating a length of useful data in the data portion and wherein both the field and the data portion use the same number of subcarriers;
- and
- decoding the data portion based on the field.
An apparatus for wireless communications, comprising:
- a receiver configured to receive a frame having a preamble portion and a data portion, wherein the preamble portion comprises a field indicating a length of useful data in the data portion and wherein both the field and the data portion use the same number of subcarriers;
- and
- a processing system configured to decode the data portion based on the field.
An apparatus for wireless communications, comprising:
- means for receiving a frame having a preamble portion and a data portion, wherein the preamble portion comprises a field indicating a length of useful data in the data portion and wherein both the field and the data portion use the same number of subcarriers;
- and
- means for decoding the data portion based on the field.
A computer-program product for wireless communications, comprising a computer-readable medium comprising instructions executable to:
- receive a frame having a preamble portion and a data portion, wherein the preamble portion comprises a field indicating a length of useful data in the data portion and wherein both the field and the data portion use the same number of subcarriers;
- and
- decode the data portion based on the field.
A method for wireless communications, comprising:
- generating a frame having a preamble portion and a data portion, wherein the preamble portion comprises a field indicating a length of useful data in the data portion;
- and
- transmitting the generated frame via a channel, wherein the generating comprises:
- determining a bandwidth of the channel for the transmitting;
- generating a block of bits based on the determined bandwidth;
- and
- repeating the block of bits a number of times according to the determined bandwidth to generate the field in the frame.
An apparatus for wireless communications, comprising:
- a processing system configured to generate a frame having a preamble portion and a data portion, wherein the preamble portion comprises a field indicating a length of useful data in the data portion;
- and
- a transmitter configured to transmit the generated frame via a channel, wherein the processing system is configured to generate the frame by:
- determining a bandwidth of the channel for the transmitter to transmit the frame;
- generating a block of bits based on the determined bandwidth;
- and
- repeating the block of bits a number of times according to the determined bandwidth to generate the field in the frame.
An apparatus for wireless communications, comprising:
- means for generating a frame having a preamble portion and a data portion, wherein the preamble portion comprises a field indicating a length of useful data in the data portion;
- and
- means for transmitting the generated frame via a channel, wherein the means for generating is configured to:
- determine a bandwidth of the channel for transmitting the frame;
- generate a block of bits based on the determined bandwidth;
- and
- repeat the block of bits a number of times according to the determined bandwidth to generate the field in the frame.
A computer-program product for wireless communications, comprising a computer-readable medium comprising instructions executable to:
- generate a frame having a preamble portion and a data portion, wherein the preamble portion comprises a field indicating a length of useful data in the data portion;
- and
- transmit the generated frame via a channel, wherein the instructions are executable to generate the frame by:
- determining a bandwidth of the channel for transmitting the frame;
- generating a block of bits based on the determined bandwidth;
- and
- repeating the block of bits a number of times according to the determined bandwidth to generate the field in the frame.
A method for wireless communications, comprising:
- receiving a frame having a preamble portion and a data portion, wherein the preamble portion comprises a field indicating a length of useful data in the data portion and wherein the field comprises a plurality of replicated blocks, such that bits of one of the blocks are repeated in each of the blocks;
- and
- decoding the data portion based on the field.
An apparatus for wireless communications, comprising:
- a receiver configured to receive a frame having a preamble portion and a data portion, wherein the preamble portion comprises a field indicating a length of useful data in the data portion and wherein the field comprises a plurality of replicated blocks, such that bits of one of the blocks are repeated in each of the blocks;
- and
- a processing system configured to decode the data portion based on the field.
An apparatus for wireless communications, comprising:
- means for receiving a frame having a preamble portion and a data portion, wherein the preamble portion comprises a field indicating a length of useful data in the data portion and wherein the field comprises a plurality of replicated blocks, such that bits of one of the blocks are repeated in each of the blocks;
- and
- means for decoding the data portion based on the field.
A computer-program product for wireless communications, comprising a computer-readable medium comprising instructions executable to:
- receive a frame having a preamble portion and a data portion, wherein the preamble portion comprises a field indicating a length of useful data in the data portion and wherein the field comprises a plurality of replicated blocks, such that bits of one of the blocks are repeated in each of the blocks;
- and
- decode the data portion based on the field.
Dependencies are inferred from the claim text.