Communication apparatus, processing apparatus, communication method, and storage medium, for throughput improvement of wireless networks
A communication apparatus capable of performing wireless communication conforming to the IEEE 802.11 standard includes a transmission unit configured to transmit a wireless frame having preambles and data fields of a physical layer (PHY). The preambles include a Legacy Short Training Field (L-STF), a Legacy Long Training Field (L-LTF), a Legacy Signal Field (L-SIG), an Extremely High Throughput Signal A Field (EHT-SIG-A), an EHT Short Training Field (EHT-STF), and an EHT Long Training Field (EHT-LTF). The EHT-SIG-A includes information about Preamble Puncturing in a case where a 320 MHz frequency bandwidth is to be used by the communication apparatus.
1. A communication apparatus for performing wireless communication conforming to an IEEE 802.11 standard, comprising:
a transmission unit configured to transmit a physical (PHY) frame including a preamble and a data field,
wherein the preamble includes a Legacy Short Training Field (L-STF), a Legacy Long Training Field (L-LTF), a Legacy Signal Field (L-SIG), an EHT Short Training Field (EHT-STF), an EHT Long Training Field (EHT-LTF), and a signal field including a first field group and a second field group,
wherein, in the preamble, the EHT-STF is located after the L-SIG, and the signal field is located between the L-SIG and the EHT-STF,
wherein the first field group includes a field comprising three consecutive bits indicating a bandwidth and a field comprising six consecutive bits indicating BSS color information and the second field group comprising 26 bits includes a field comprising a predetermined number of consecutive bits indicating information regarding Puncturing and a field comprising four consecutive bits used for CRC; and
wherein at least one of the predetermined number of consecutive bits indicating the information regarding Puncturing is information indicating whether to puncture a bandwidth of 20 MHz among bandwidth for communicating the PHY frame.
2. The communication apparatus according to claim 1 , wherein the PHY frame includes EHT Multi User (MU) PPDU.
3. The communication apparatus according to claim 1 , wherein the preamble further includes a Repeated Legacy Signal Field (RL-SIG) between the L-SIG and the signal field.
4. The communication apparatus according to claim 1 , further comprising a plurality of antennas,
wherein the transmission unit transmits the PHY frame via the plurality of antennas.
5. A communication apparatus for performing wireless communication conforming to an IEEE 802.11 standard, comprising:
a transmission unit configured to transmit a physical (PHY) frame including a preamble and a data field,
wherein the preamble includes a Legacy Short Training Field (L-STF), a Legacy Long Training Field (L-LTF), a Legacy Signal Field (L-SIG), an EHT Short Training Field (EHT-STF), an EHT Long Training Field (EHT-LTF), and a signal field including a first field group and a second field group,
wherein, in the preamble, the EHT-STF is located after the L-SIG, and the signal field is located between the L-SIG and the EHT-STF,
wherein the first field group includes a field comprising three consecutive bits indicating bandwidth and a field comprising six consecutive bits indicating BSS color information and the second field group comprising 26 bits includes a field comprising a predetermined number of consecutive bits indicating information regarding Puncturing and a field comprising four consecutive bits used for CRC, and
wherein in a case where all of the predetermined number of consecutive bits are set 0 or 1, the information indicates that Puncturing is not performed in communication of the PHY frame.
6. The communication apparatus according to claim 5 , wherein the PHY frame includes EHT Multi User (MU) PPDU.
7. The communication apparatus according to claim 5 , wherein the preamble further includes a Repeated Legacy Signal Field (RL-SIG) between the L-SIG and the signal field.
8. The communication apparatus according to claim 5 , further comprising a plurality of antennas,
wherein the transmission unit transmits the PHY frame via the plurality of antennas.
9. A communication apparatus for performing wireless communication conforming to an IEEE 802.11 standard, comprising:
a receiving unit configured to receive a physical (PHY) frame including a preamble and a data field,
wherein the preamble includes a Legacy Short Training Field (L-STF), a Legacy Long Training Field (L-LTF), a Legacy Signal Field (L-SIG), an EHT Short Training Field (EHT-STF), an EHT Long Training Field (EHT-LTF), and a signal field including a first field group and a second field group,
wherein, in the preamble, the EHT-STF is located after the L-SIG, and the signal field is located between the L-SIG and the EHT-STF,
wherein the first field group includes a field comprising three consecutive bits indicating a bandwidth and a field comprising six consecutive bits indicating BSS color information and the second field group comprising 26 bits includes a field comprising a predetermined number of consecutive bits indicating information regarding Puncturing and a field comprising four consecutive bits used for CRC; and
wherein at least one of the predetermined number of consecutive bits indicating the information regarding Puncturing is information indicating whether to puncture a bandwidth of 20 MHz among bandwidth for communicating the PHY frame.
10. A communication apparatus for performing wireless communication conforming to an IEEE 802.11 standard, comprising:
a receiving unit configured to receive a physical (PHY) frame including a preamble and a data field,
wherein the preamble includes a Legacy Short Training Field (L-STF), a Legacy Long Training Field (L-LTF), a Legacy Signal Field (L-SIG), an EHT Short Training Field (EHT-STF), an EHT Long Training Field (EHT-LTF), and a signal field including a first field group and a second field group,
wherein, in the preamble, the EHT-STF is located after the L-SIG, and the signal field is located between the L-SIG and the EHT-STF,
wherein the first field group includes a field comprising three consecutive bits indicating bandwidth and a field comprising six consecutive bits indicating BSS color information and the second field group comprising 26 bits includes a field comprising a predetermined number of consecutive bits indicating information regarding Puncturing and a field comprising four consecutive bits used for CRC, and
wherein in a case where all of the predetermined number of consecutive bits are set to 0 or 1, the information indicates that Puncturing is not performed in communication of the PHY frame.
11. A communication apparatus for performing wireless communication conforming to an IEEE 802.11 standard, comprising:
transmitting a physical (PHY) frame including a preamble and a data field,
wherein the preamble includes a Legacy Short Training Field (L-STF), a Legacy Long Training Field (L-LTF), a Legacy Signal Field (L-SIG), an EHT Short Training Field (EHT-STF), an EHT Long Training Field (EHT-LTF), and a signal field including a first field group and a second field group,
wherein, in the preamble, the EHT-STF is located after the L-SIG, and the signal field is located between the L-SIG and the EHT-STF,
wherein the first field group includes a field comprising three consecutive bits indicating bandwidth and a field comprising six consecutive bits indicating BSS color information and the second field group comprising 26 bits includes a field comprising a predetermined number of consecutive bits indicating information regarding Puncturing and a field comprising four consecutive bits used for CRC, and
wherein in a case where all of the predetermined number of consecutive bits are set to 0 or 1, the information indicates that Puncturing is not performed in communication of the PHY frame.
12. A non-transitory computer readable storage medium storing instructions for causing a communication apparatus to perform a process, the communication apparatus for performing wireless communication conforming to an IEEE 802.11 standard, and the process comprising:
transmitting a physical (PHY) frame including a preamble and a data field,
wherein the preamble includes a Legacy Short Training Field (L-STF), a Legacy Long Training Field (L-LTF), a Legacy Signal Field (L-SIG), an EHT Short Training Field (EHT-STF), an EHT Long Training Field (EHT-LTF), and a signal field including a first field group and a second field group,
wherein, in the preamble, the EHT-STF is located after the L-SIG, and the signal field is located between the L-SIG and the EHT-STF,
wherein the first field group includes a field comprising three consecutive bits indicating bandwidth and a field comprising six consecutive bits indicating BSS color information and the second field group comprising 26 bits includes a field comprising a predetermined number of consecutive bits indicating information regarding Puncturing and a field comprising four consecutive bits used for CRC, and
wherein in a case where all of the predetermined number of consecutive bits are set to 0 or 1, the information indicates that Puncturing is not performed in communication of the PHY frame.
13. A method for a communication apparatus for performing wireless communication conforming to an IEEE 802.11 standard, the method comprising:
receiving a physical (PHY) frame including a preamble and a data field,
wherein the preamble includes a Legacy Short Training Field (L-STF), a Legacy Long Training Field (L-LTF), a Legacy Signal Field (L-SIG), an EHT Short Training Field (EHT-STF), an EHT Long Training Field (EHT-LTF), and a signal field including a first field group and a second field group,
wherein, in the preamble, the EHT-STF is located after the L-SIG, and the signal field is located between the L-SIG and the EHT-STF,
wherein the first field group includes a field comprising three consecutive bits indicating bandwidth and a field comprising six consecutive bits indicating BSS color information and the second field group comprising 26 bits includes a field comprising a predetermined number of consecutive bits indicating information regarding Puncturing and a field comprising four consecutive bits used for CRC, and
wherein in a case where all of the predetermined number of consecutive bits are set to 0 or 1, the information indicates that Puncturing is not performed in communication of the PHY frame.
14. A non-transitory computer readable storage medium storing instructions for causing a communication apparatus to perform a process, the communication apparatus for performing wireless communication conforming to an IEEE 802.11 standard, and the process comprising:
receiving a physical (PHY) frame including a preamble and a data field,
wherein the preamble includes a Legacy Short Training Field (L-STF), a Legacy Long Training Field (L-LTF), a Legacy Signal Field (L-SIG), an EHT Short Training Field (EHT-STF), an EHT Long Training Field (EHT-LTF), and a signal field including a first field group and a second field group,
wherein, in the preamble, the EHT-STF is located after the L-SIG, and the signal field is located between the L-SIG and the EHT-STF,
wherein the first field group includes a field comprising three consecutive bits indicating bandwidth and a field comprising six consecutive bits indicating BSS color information and the second field group comprising 26 bits includes a field comprising a predetermined number of consecutive bits indicating information regarding Puncturing and a field comprising four consecutive bits used for CRC, and
wherein in a case where all of the predetermined number of consecutive bits are set to 0 or 1, the information indicates that Puncturing is not performed in communication of the PHY frame.