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US 2021/0385118 A1Published application
Communication device, communication method, and computer-readable storage medium
AssigneeCanon Kabushiki Kaisha
InventorMakoto Umehara
Life of this patent
Estimating the term…
Abstract
A communication device communicates a physical (PHY) frame including a preamble and a data field. 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 Signal Field (EHT-SIG-A), an EHT Short Training Field (EHT-STF), and an EHT Long Training Field (EHT-LTF) and the EHT-SIG-A includes fields indicating a modulation scheme and information indicating which one of a UC (Uniform Constellation) scheme and an NUC (Non Uniform Constellation) scheme is used as the modulation scheme, and the data field includes data that has undergone modulation corresponding to the modulation scheme and the information indicated by the fields.
Claims16
A communication device that transmits 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) arranged immediately after the L-STF in the frame;
- a Legacy Signal Field (L-SIG) arranged immediately after the L-LTF in the frame;
- an EHT Signal Field (EHT-SIG-A) arranged after the L-SIG in the frame;
- an EHT Short Training Field (EHT-STF) arranged immediately after the EHT-SIG-A in the frame;
- and
- an EHT Long Training Field (EHT-LTF) arranged immediately after the EHT-STF in the frame,
- the EHT-SIG-A includes fields indicating a modulation scheme and information indicating which one of a UC (Uniform Constellation) scheme and an NUC (Non Uniform Constellation) scheme is used as the modulation scheme, and
- the data field includes data that has undergone modulation corresponding to the modulation scheme and the information indicated by the fields.
7 more elements
A communication device that transmits 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) arranged immediately after the L-STF in the frame;
- a Legacy Signal Field (L-SIG) arranged immediately after the L-LTF in the frame;
- a first EHT Signal Field (EHT-SIG-A) arranged after the L-SIG in the frame;
- a second EHT Signal Field (EHT-SIG-B) arranged immediately after the EHT-SIG-A in the frame;
- an EHT Short Training Field (EHT-STF) arranged immediately after the EHT-SIG-B in the frame;
- and
- an EHT Long Training Field (EHT-LTF) arranged immediately after the EHT-STF in the frame,
- the EHT-SIG-B includes fields indicating a modulation scheme and information indicating which one of a UC (Uniform Constellation) scheme and an NUC (Non Uniform Constellation) scheme is used as the modulation scheme, and
- the data field includes data that has undergone modulation corresponding to the modulation scheme and the information indicated by the fields.
8 more elements
A communication device that receives a physical (PHY) frame including a preamble and a data field, and processes the received data field,
- wherein the preamble includes:
- a Legacy Short Training Field (L-STF);
- a Legacy Long Training Field (L-LTF) arranged immediately after the L-STF in the frame;
- a Legacy Signal Field (L-SIG) arranged immediately after the L-LTF in the frame;
- an EHT Signal Field (EHT-SIG-A) arranged after the L-SIG in the frame;
- an EHT Short Training Field (EHT-STF) arranged immediately after the EHT-SIG-A in the frame;
- and
- an EHT Long Training Field (EHT-LTF) arranged immediately after the EHT-STF in the frame,
- the EHT-SIG-A includes fields indicating a modulation scheme and information indicating which one of a UC (Uniform Constellation) scheme and an NUC (Non Uniform Constellation) scheme is used as the modulation scheme, and
- the communication device processes the data field based on the modulation scheme and the information indicated by the fields.
7 more elements
A communication device that receives a physical (PHY) frame including a preamble and a data field, and processes the received data field,
- wherein the preamble includes:
- a Legacy Short Training Field (L-STF);
- a Legacy Long Training Field (L-LTF) arranged immediately after the L-STF in the frame;
- a Legacy Signal Field (L-SIG) arranged immediately after the L-LTF in the frame;
- a first EHT Signal Field (EHT-SIG-A) arranged after the L-SIG in the frame;
- a second EHT Signal Field (EHT-SIG-B) arranged immediately after the EHT-SIG-A in the frame;
- an EHT Short Training Field (EHT-STF) arranged immediately after the EHT-SIG-B in the frame;
- and
- an EHT Long Training Field (EHT-LTF) arranged immediately after the EHT-STF in the frame,
- the EHT-SIG-B includes fields indicating a modulation scheme and information indicating which one of a UC (Uniform Constellation) scheme and an NUC (Non Uniform Constellation) scheme is used as the modulation scheme, and
- the communication device processes the data field based on the modulation scheme and the information indicated by the fields.
8 more elements
A communication method for 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) arranged immediately after the L-STF in the frame;
- a Legacy Signal Field (L-SIG) arranged immediately after the L-LTF in the frame;
- an EHT Signal Field (EHT-SIG A) arranged after the L-SIG in the frame;
- an EHT Short Training Field (EHT-STF) arranged immediately after the EHT-SIG-A in the frame;
- and
- an EHT Long Training Field (EHT-LTF) arranged immediately after the EHT-STF in the frame,
- the EHT-SIG-A includes fields indicating a modulation scheme and information indicating which one of a UC (Uniform Constellation) scheme and an NUC (Non Uniform Constellation) scheme is used as the modulation scheme, and
- the data field includes data that has undergone modulation corresponding to the modulation scheme and the information indicated by the fields.
7 more elements
A communication method for 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) arranged immediately after the L-STF in the frame;
- a Legacy Signal Field (L-SIG) arranged immediately after the L-LTF in the frame;
- a first EHT Signal Field (EHT-SIG-A) arranged after the L-SIG in the frame;
- a second EHT Signal Field (EHT-SIG-B) arranged immediately after the EHT-SIG-A in the frame;
- an EHT Short Training Field (EHT-STF) arranged immediately after the EHT-SIG-B in the frame;
- and
- an EHT Long Training Field (EHT-LTF) arranged immediately after the EHT-STF in the frame,
- the EHT-SIG-B includes fields indicating a modulation scheme and information indicating which one of a UC (Uniform Constellation) scheme and an NUC (Non Uniform Constellation) scheme is used as the modulation scheme, and
- the data field includes data that has undergone modulation corresponding to the modulation scheme and the information indicated by the fields.
8 more elements
A communication method, comprising:
- receiving a physical (PHY) frame including a preamble and a data field;
- and
- processing the received data field,
- wherein the preamble includes:
- a Legacy Short Training Field (L-STF);
- a Legacy Long Training Field (L-LTF) arranged immediately after the L-STF in the frame;
- a Legacy Signal Field (L-SIG) arranged immediately after the L-LTF in the frame;
- an EHT Signal Field (EHT-SIG-A) arranged after the L-SIG in the frame;
- an EHT Short Training Field (EHT-STF) arranged immediately after the EHT-SIG-A in the frame;
- and
- an EHT Long Training Field (EHT-LTF) arranged immediately after the EHT-STF in the frame,
- the EHT-SIG-A includes fields indicating a modulation scheme and information indicating which one of a UC (Uniform Constellation) scheme and an NUC (Non Uniform Constellation) scheme is used as the modulation scheme, and
- in the processing step, the data field is processed based on the modulation scheme and the information indicated by the fields.
10 more elements
A communication method, comprising:
- receiving a physical (PHY) frame including a preamble and a data field;
- and
- processing the received data field,
- wherein the preamble includes:
- a Legacy Short Training Field (L-STF);
- a Legacy Long Training Field (L-LTF) arranged immediately after the L-STF in the frame;
- a Legacy Signal Field (L-SIG) arranged immediately after the L-LTF in the frame;
- a first EHT Signal Field (EHT-SIG-A) arranged after the L-SIG in the frame;
- a second EHT Signal Field (EHT-SIG-B) arranged immediately after the EHT-SIG-A in the frame;
- an EHT Short Training Field (EHT-STF) arranged immediately after the EHT-SIG-B in the frame;
- and
- an EHT Long Training Field (EHT-LTF) arranged immediately after the EHT-STF in the frame. the EHT-SIG-B includes fields indicating a modulation scheme and information indicating which one of a UC (Uniform Constellation) scheme and an NUC (Non Uniform Constellation) scheme is used as the modulation scheme, and
- in the processing step, the data field is processed based on the modulation scheme and the information indicated by the fields.
10 more elements
A non-transitory computer readable storage medium that stores a program for causing a computer in a communication device 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-LTE) arranged immediately after the L-STF in the frame;
- a Legacy Signal Field (L-SIG) arranged immediately after the L-LTF in the frame;
- an EHT Signal Field (EHT-SIG-A) arranged after the L-SIG in the frame;
- an EHT Short Training Field (EHT-STF) arranged immediately after the EHT-SIG-A in the frame;
- and
- an EHT Long Training Field (EHT-LTF) arranged immediately after the EHT-STF in the frame,
- the EHT-SIG-A includes fields indicating a modulation scheme and information indicating which one of a UC (Uniform Constellation) scheme and an NUC (Non Uniform Constellation) scheme is used as the modulation scheme, and
- the data field includes data that has undergone modulation corresponding to the modulation scheme and the information indicated by the fields.
7 more elements
A non-transitory computer readable storage medium that stores a program for causing a computer in a communication device 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) arranged immediately after the L-STF in the frame;
- a Legacy Signal Field (L-SIG) arranged immediately after the L-LTF in the frame;
- a first EHT Signal Field (EHT-SIG-A) arranged after the L-SIG in the frame;
- a second EHT Signal Field (EHT-SIG-B) arranged immediately after the EHT-SIG-A in the frame;
- an EHT Short Training Field (EHT-STF) arranged immediately after the EHT-SIG-B in the frame;
- and
- an EHT Long Training Field (EHT-LTF) arranged immediately after the EHT-STF in the frame,
- the EHT-SIG-B includes fields indicating a modulation scheme and information indicating which one of a UC (Uniform Constellation) scheme and an NUC (Non Uniform Constellation) scheme is used as the modulation scheme, and
- the data field includes data that has undergone modulation corresponding to the modulation scheme and the information indicated by the fields.
8 more elements
A non-transitory computer readable storage medium that stores a program for causing a computer in a communication device to receive a physical (PHY) frame including a preamble and a data field, and to process the received data field,
- wherein the preamble includes:
- a Legacy Short Training Field (L-STF);
- a Legacy Long Training Field (L-LTF) arranged immediately after the L-STF in the frame;
- a Legacy Signal Field (L-SIG) arranged immediately after the L-LTF in the frame;
- an EHT Signal Field (EHT-SIG-A) arranged after the L-SIG in the frame;
- an EHT Short Training Field (EHT-STF) arranged immediately after the EHT-SIG-A in the frame;
- and
- an EHT Long Training Field (EHT-LTF) arranged immediately after the EHT-STF in the frame,
- the EHT-SIG-A includes fields indicating a modulation scheme and information indicating which one of a UC (Uniform Constellation) scheme and an NUC (Non Uniform Constellation) scheme is used as the modulation scheme, and
- the program causes the computer to process the data field based on the modulation scheme and the information indicated by the fields.
7 more elements
A non-transitory computer readable storage medium that stores a program for causing a computer in a communication device to receive a physical (PHY) frame including a preamble and a data field, and to process the received data field,
- wherein the preamble includes:
- a Legacy Short Training Field (L-STF);
- a Legacy Long Training Field (L-LTF) arranged immediately after the L-STF in the frame;
- a Legacy Signal Field (L-SIG) arranged immediately after the L-LTF in the frame;
- a first EHT Signal Field (EHT-SIG-A) arranged after the L-SIG in the frame;
- a second EHT Signal Field (EHT-SIG-B) arranged immediately after the EHT-SIG-A in the frame;
- an EHT Short Training Field (EHT-STF) arranged immediately after the EHT-SIG-B in the frame;
- and
- EHT Long Training Field (EHT-LTF) arranged immediately after the EHT-STF in the frame,
- the EHT-SIG-B includes fields indicating a modulation scheme and information indicating which one of a UC (Uniform Constellation) scheme and an NUC (Non Uniform Constellation) scheme is used as the modulation scheme, and
- the program causes the computer to process the data field based on the modulation scheme and the information indicated by the fields.
8 more elements
Dependencies are inferred from the claim text.