US 2023/0155875 A1 · INFORMATION TRANSMISSION METHOD AND APPARATUS

Abstract

Embodiments of this application provide information transmission methods and apparatuses. One method includes: generating, by a first communications device, a physical layer protocol data unit (PPDU) with a bandwidth of X MHz, wherein X>160, some or all fields in the PPDU are rotated in the bandwidth of X MHz by using a rotation factor sequence, the bandwidth of X MHz comprises n bandwidths ofY MHz, the rotation factor sequence comprises n rotation factors, and each of the n bandwidths corresponds to one rotation factor; and sending, by the first communications device , the PPDU to a second communications device.

Claims12

Dependent claims

An information transmission method comprising:

receiving a physical layer protocol data unit (PPDU) with a bandwidth of 320 MHz, wherein at least a portion of fields in the PPDU are rotated by using a rotation factor sequence comprising 16 rotation factors, wherein the bandwidth of 320 MHz comprises 16 bandwidths of 20 MHz corresponding to the 16 rotation factors, and wherein a first four rotation factors in the rotation factor sequence are [1 -1 -1 -1];
and
performing a rotation recovery on the at least a portion of fields in the PPDU based on the rotation factor sequence.

An communications apparatus, comprising:

at least one processor;
and
a memory coupled to the at least one processor and storing computer readable instructions for execution by the least one processor to cause the communication apparatus to:
receive a physical layer protocol data unit (PPDU) with a bandwidth of 320 MHz, wherein at least a portion of fields in the PPDU are rotated by using a rotation factor sequence comprising 16 rotation factors, wherein the bandwidth of 320 MHz comprises 16 bandwidths of 20 MHz corresponding to the 16 rotation factors, and wherein a first four rotation factors in the rotation factor sequence are [1 -1 -1 -1];
and
perform a rotation recovery on the at least a portion of fields in the PPDU based on the rotation factor sequence.

3 more elements

A non-transitory computer readable storage medium storing computer readable instructions executable by at least one processor comprised in an information transmission apparatus to cause the information transmission apparatus to:

receive a physical layer protocol data unit (PPDU) with a bandwidth of 320 MHz, wherein at least a portion of fields in the PPDU are rotated by using a rotation factor sequence comprising 16 rotation factors, wherein the bandwidth of 320 MHz comprises 16 bandwidths of 20 MHz corresponding to the 16 rotation factors, and wherein a first four rotation factors in the rotation factor sequence are [1 -1 -1 -1];
and
perform a rotation recovery on the at least a portion of fields in the PPDU based on the rotation factor sequence.

Dependencies are inferred from the claim text.

Information transmission method and apparatus

Life of this patent

Information transmission method and apparatus

Life of this patent

Abstract

Claims12