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Systems and methods for uplink transmission in wireless networks

A technology of wireless network and network element, which is applied in the field of uplink transmission in wireless network and can solve problems such as inability to receive correctly

Active Publication Date: 2020-11-27
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, as the coverage and number of associations increase, there is a greater chance of hidden node problems
For example, even if two stations are under the coverage of the same access point, and both stations can correctly receive when the access point transmits, but due to the distance between the two stations, when one of the stations When one station transmits, another station may not receive it correctly (get its signal)
Therefore, it is possible for both stations to transmit uplink data at the same time, just because when one station transmits data, the other station considers the medium to be idle

Method used

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  • Systems and methods for uplink transmission in wireless networks
  • Systems and methods for uplink transmission in wireless networks
  • Systems and methods for uplink transmission in wireless networks

Examples

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Embodiment Construction

[0024] It should be initially understood that although illustrative implementations of one or more examples are provided below, any number of currently known or existing technologies may be used to implement the disclosed systems and / or methods. The present invention should never be limited to the illustrative embodiments, drawings and techniques described below, including the exemplary designs and embodiments described and described herein, but may be within the scope of the appended claims and their equivalents Modify within the full scope of the object.

[0025] When two communication stations are within the range of a single access point, but the two communication stations are not within each other's range, a conflict occurs. figure 1 An uplink collision 110 between two communication stations covered by an access point is shown. Communication station 1 and communication station 2 are both located within the range of a single access point, but they are not within each other's ...

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Abstract

A method of communicating in a wireless network includes a network element (102, 104, 106) transmitting a short clear to send (CTS) frame (130) including a short training field and a long training field. In addition, the short CTS frame includes a signaling field, including a duration field and an address of the communication station.

Description

Technical field [0001] The present invention relates to a system and method for wireless communication, and more particularly to a system and method for uplink transmission in a wireless network. Background technique [0002] Currently, IEEE 802.11ah defines a local area network protocol for carrier frequencies below 1 GHz. The main requirements of IEEE802.11ah include: a larger coverage area (for example, a radius of 1km), a physical (PHY) layer data rate of at least 100kbps, a total data rate of multiple communication stations up to 20Mbps, orthogonal frequency division multiplexing (OFDM) ) Use of PHY modulation and support for more than 2007 (communication stations and access points) associations for outdoor applications. [0003] However, as the coverage and the number of associations increase, there will be a greater chance of Tibetan node problems. For example, even if two communication stations are under the coverage of the same access point, and both communication statio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04L1/18H04W74/08
CPCH04L1/0072H04L1/18H04W74/0816H04L1/1607H04W72/20
Inventor 权荣训杨云松容志刚
Owner HUAWEI TECH CO LTD