IEEE 802.11 WLAN (wireless local area network) low-delay energy-saving method

Abstract

The invention discloses an IEEE 802.11 WLAN (wireless local area network) low-delay energy-saving technique. A WLAN is an infrastructure WLAN comprising an AP (access point) and a plurality of motion stations STA. The energy-saving technique includes an AP operating step and an STA operating step, wherein an idle timer and a sleep timer are optimized at the STA end. The IEEE 802.11 WLAN low-delay energy-saving technique has the advantages that the technique is energy-saving, delay in data packet transmission is reduced, and memory overhead of the STA and AP in the WLAN is also reduced.

Description

technical field [0001] The invention relates to the field of energy saving of a wireless local area network WLAN (Wireless Local Area Network), in particular to an IEEE 802.11 wireless local area network low delay energy saving method. Background technique [0002] IEEE 802.11 wireless LAN network cards have been widely integrated into portable wireless multimedia electronic devices, and these electronic devices can easily access the Internet through access points (APs). An infrastructure-type wireless local area network includes an access point AP and a plurality of mobile stations STA. Each STA associated with an AP can directly communicate with the AP, and the communication between STAs relies on the AP relay in the form of two hops. Since STAs are usually powered by batteries, it is very important to allow STAs to use power efficiently to prolong the network lifetime of the WLAN. [0003] The STA may be in the states of sending, receiving, idle, and dormancy. In these ...

AI Technical Summary

Problems solved by technology

However, the above-mentioned BPM energy-saving technology defined by the IEEE 802.11 standard has the following problems: on the one hand, it will cause data packet delay, and on the other hand, it will cause a large amount of memory occupation

[0011] The energy-saving methods mentioned above are either for voice communication, under heavy load in wireless LAN, or in IBSS mode, or only use the sleep mechanism to save energy without taking into account the delay and memory overhead of data packets.

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