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US 10,219,177 B2Granted
Wireless local area network transmission method and transmission device
AssigneeHuawei Technologies Co., Ltd.
InventorsGuido Montorsi, Sergio Benedetto, Jian Yu, Jun Zhu, Wei Lin
Life of this patent
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Abstract
A method includes: generating a packet, where first L time domain sequence bits of a second symbol in the packet are the same as first L time domain sequence bits of an information bearing section in a time domain sequence of a first symbol in the packet, the first symbol includes a cyclic prefix CP and the information bearing section, the second symbol is a symbol following the first symbol, a length of the CP is 16 bits, and a length of the information bearing section is 64 bits, where 1≤L≤64; and sending the packet to a receive end, so that the receive end receives and parses the packet.
Claims16
A wireless local area network transmission method, wherein the method comprises:
- generating a packet, wherein first L time domain sequence bits of a second symbol in the packet are the same as first L time domain sequence bits of an information bearing section in a time domain sequence of a first symbol in the packet, the first symbol comprises a cyclic prefix, CP, and the information bearing section, the second symbol is a symbol following the first symbol, a length of the CP is 16 bits, and a length of the information bearing section is 64 bits, wherein 1≤L≤64;
- and
- sending the packet to a receive end, so that the receive end receives and parses the packet.
A wireless local area network transmission method, comprising:
- generating a packet, wherein a time domain sequence of a second symbol in the packet comprises a first time domain sequence part and a second time domain sequence part, a first symbol in the packet comprises a cyclic prefix, CP, and an information bearing section, the first time domain sequence part is the same as first L time domain sequence bits of the information bearing section of the first symbol, the second time domain sequence part is the same as first N time domain sequence bits of the first time domain sequence part, the second symbol is a symbol following the first symbol, a length of the CP is 16 bits, and a length of the information bearing section is 64 bits, wherein N+L=80 and 1≤N≤L;
- and
- sending the packet to a receive end, so that the receive end receives and parses the packet.
A wireless local area network transmission device, comprising:
- a processor, configured to generate a packet, wherein first L time domain sequence bits of a second symbol in the packet are the same as first L time domain sequence bits of an information bearing section in a time domain sequence of a first symbol in the packet, the first symbol comprises a cyclic prefix CP and the information bearing section, the second symbol is a symbol following the first symbol, a length of the CP is 16 bits, and a length of the information bearing section is 64 bits, wherein 1≤L≤64;
- and
- a transmitter, configured to send the packet to a receive end, so that the receive end receives and parses the packet.
A wireless local area network transmission device, comprising:
- a processor, configured to generate a packet, wherein a time domain sequence of a second symbol in the packet comprises a first time domain sequence part and a second time domain sequence part, a first symbol in the packet comprises a cyclic prefix CP and an information bearing section, the first time domain sequence part is the same as first L time domain sequence bits of the information bearing section of the first symbol, the second time domain sequence part is the same as first N time domain sequence bits of the first time domain sequence part, the second symbol is a symbol following the first symbol, a length of the CP is 16 bits, and a length of the information bearing section is 64 bits, wherein N+L=80 and 1≤N≤L;
- and
- a transmitter, configured to send the packet to a receive end, so that the receive end receives and parses the packet.
A wireless local area network transmission system, comprising:
- a processor, configured to generate a packet, wherein first L time domain sequence bits of a second symbol in the packet are the same as first L time domain sequence bits of an information bearing section in a time domain sequence of a first symbol in the packet, the first symbol comprises a cyclic prefix CP and the information bearing section, the second symbol is a symbol following the first symbol, a length of the CP is 16 bits, and a length of the information bearing section is 64 bits, wherein 1≤L≤64;
- a transmitter, configured to send the packet to a receive end, so that the receive end receives and parses the packet;
- a receiver, configured to receive a packet sent by a wireless local area network transmit end;
- and
- a processor, configured to:
- acquire an autocorrelation value of a specified time domain sequence part of a first symbol and a specified time domain sequence part of a second symbol in the packet, wherein the specified time domain sequence part of the first symbol is all or a part of a time domain sequence of an information bearing section in the first symbol, the first symbol comprises a cyclic prefix CP and the information bearing section, and the second symbol is a symbol following the first symbol, wherein a length of the CP is 16 bits, and a length of the information bearing section is 64 bits;
- and
- determine, when the autocorrelation value is greater than a predetermined threshold, to parse the packet by using a signaling format of a first scenario;
- or
- determine, when the autocorrelation value is less than a predetermined threshold, to parse the packet by using a signaling format of a second scenario.
7 more elements
Dependencies are inferred from the claim text.