Preamble with detectable WLAN version identification

Patent metadata

Field	Value
Publication number	US-11387937-B2
Application number	US-202016944993-A
Country	US
Kind code	B2
Filing date	Jul 31, 2020
Priority date	Aug 7, 2019
Publication date	Jul 12, 2022
Grant date	Jul 12, 2022

Abstract

Systems and methods for generating a control signal for automatic wireless network version detection of a transmission. The control signal enables a receiver to detect the wireless network version detection of the transmission, so that the proper wireless network version is used for interpreting signaling information and decoding of the payload of the transmission. In some examples, the control signal is within a preamble of the transmission. The wireless network version can be an IEEE 802.11 version, such as proposed IEEE 802.11be. The control signal is compatible with legacy systems and can indicate the legacy signaling information by way of a Legacy Signal (SIG) (L-SIG) symbol. In some examples, the control signal can indicate the wireless network version by using an identifier symbol which is generated from at least part of, but is not identical to, the L-SIG symbol.

First claim

What is claimed is:

1. A method for enabling wireless network version detection, performed by a wireless communication device, the method comprising:
generating a control signal for an uplink transmission, the control signal including:
a first identifier indicating a wireless network version of the transmission; and
transmitting the control signal in a trigger frame, wherein the first identifier is an identifier field or identifier subfield of the trigger frame.

2. The method of claim 1 , wherein the control signal is a separate field from a signal (SIG) field particular to signaling information of the indicated wireless network version.

3. The method of claim 1 , wherein the control signal includes a second identifier indicating a frame type of the transmission.

4. The method of claim 1 , wherein the indicated wireless network version is an Institute of Electrical and Electronics Engineers (IEEE) 802.11 version or an amendment version of the IEEE 802.11 version.

5. A wireless communication device, comprising:
an antenna;
a processing device;
a memory associated with the processing device for storing instructions that when executed by the processing device causes the wireless communication device to:
generate a control signal for an uplink transmission, the control signal including:
a first identifier indicating a wireless network version of the transmission; and
transmit the control signal in a trigger frame, wherein the first identifier is an identifier field or identifier subfield of the trigger frame.

6. The wireless communication device of claim 5 , wherein the control signal is a separate field from a signal (SIG) field particular to signaling information of the indicated wireless network version.

7. The wireless communication device of claim 5 , wherein the control signal includes a second identifier indicating a frame type of the transmission.

8. The wireless communication device of claim 5 , wherein the indicated wireless network version is an Institute of Electrical and Electronics Engineers (IEEE) 802.11 version or an amendment version of the IEEE 802.11 version.

9. A non-transitory computer-readable medium which stores instructions for execution by a processing device to:
generate a control signal for an uplink transmission, the control signal including:
a first identifier indicating a wireless network version of the transmission; and
transmit the control signal in a trigger frame, wherein the first identifier is an identifier field or identifier subfield of the trigger frame.

10. The non-transitory computer-readable medium of claim 9 , wherein the control signal is a separate field from a signal (SIG) field particular to signaling information of the indicated wireless network version.

11. The non-transitory computer-readable medium of claim 9 , wherein the control signal includes a second identifier indicating a frame type of the transmission.

12. The non-transitory computer-readable medium of claim 9 , wherein the control signal is a separate field from a signal (SIG) field particular to signaling information of the indicated wireless network version.

Assignees

• Xin Yan
• Suh Jung Hoon
• Aboul Magd Osama
• Huawei Tech Co Ltd

Inventors

• Xin Yan
• Suh Jung Hoon
• Aboul-Magd Osama

Classifications

• H04L1/0059

  Convolutional codes · CPC title

• H04L1/0057 Primary

  Block codes (H04L1/0061, H04L1/0064 take precedence) · CPC title

• H04L1/08

  by repeating transmission, e.g. Verdan system {(H04L1/1858 and H04L1/189 take precedence)} · CPC title

• H04L27/18

  Phase-modulated carrier systems, i.e. using phase-shift keying (H04L27/32 takes precedence) · CPC title

• H04L27/2603

  Signal structure ensuring backward compatibility with legacy system · CPC title