Energy saving method and sta for wireless local area network based on ndn architecture
A wireless local area network and network technology, applied in the energy-saving method of wireless local area network based on NDN architecture and the STA field, can solve the problems of low data delay, etc., achieve the effect of reducing delay, reducing return delay, and improving energy saving
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Embodiment 1
[0040] This embodiment discloses a method for energy saving of a wireless local area network based on an NDN architecture.
[0041] figure 1 It is the state transition process of the NDN-PSM energy saving mechanism based on the wireless NDN environment in the present invention. Such as figure 1 Shown:
[0042] STA first wakes up from the Deep Doze state to create an Interest, checks whether there is data corresponding to the Interest in the local CS, and returns the data if there is; if not, creates a new entry with the prefix of the Interest and the corresponding interface and adds it to the PIT table , and then send an Interest to the corresponding AP; at this time, the STA's PIT=1, and the STA enters the LightDoze state.
[0043] When the STA is in Light Doze, it wakes up every Beacon cycle to check whether the TIM sent by the corresponding AP has data returned; if TIM=0, it means that the data has not been returned to the AP, and the STA continues to be in the Light Doz...
Embodiment 2
[0061] This embodiment discloses an STA that executes the corresponding method in the foregoing embodiments, and is used for interacting with a corresponding AP of an NDN network to realize energy saving.
[0062] STA in this embodiment: used to divide its own PSM mode into five states, namely: Deep Doze state, Light Doze state, Idle Listening state, Tx state and Rx state; then combine Beacon cycle, local PIT table and corresponding The TIM information sent by the AP switches between five states, and the specific switching includes:
[0063] STA creates an Interest, checks whether there is data corresponding to the Interest in the local CS, and if so, returns the data; if not, creates a new entry with the prefix of the Interest and the corresponding interface and adds it to the PIT table, and then sends the Interest to the corresponding AP; at this time, STA's PIT=1, STA enters the Light Doze state;
[0064]When the STA is in Light Doze, it wakes up every Beacon cycle to chec...
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