System, method, and server for keeping wireless local area network terminal online all the time
First Claim
1. A system for keeping a Wireless Local Area Network (WLAN) terminal always online, comprising the WLAN terminal, an online state server and an online data caching server, whereinthe WLAN terminal is configured to receive and execute an online/offline strategy formulated by the online state server, and notify the online state server of a state change of the WLAN terminal when a state of the WLAN terminal has been switched into an online state or is about to be switched into an offline state;
- the online state server is configured to formulate and send the online/offline strategy to the WLAN terminal; and
the online data caching server is configured to receive a notice about the online/offline state of the WLAN terminal, cache data sent by each data source to the WLAN terminal after the WLAN terminal is switched into the offline state, and transmit the cached data to the WLAN terminal after the WLAN terminal is switched into the online state;
wherein the offline state is a Power Save (PS) state, and the online state is an Active state;
wherein the online data caching server is an AP or other network element except the AP;
when the online data caching server is the AP, the WLAN terminal is configured to directly notify the online data caching server of the online/offline state of the WLAN terminal when the state of the WLAN terminal has been switched into the online state or is about to be switched into the offline state;
the online data caching server is configured to receive the notice about the online/offline state of the WLAN terminal, and notify the online state server of the online/offline state of the WLAN terminal;
when the online data caching server is other network element except the AP, the WLAN terminal is configured to notify the online state server of the online/offline state of the WLAN terminal when the state of the WLAN terminal has been switched into the online state or is about to be switched into the offline state; and
the online state server is configured to receive the notice about the online/offline state of the WLAN terminal, and notify the online data caching server of the online/offline state of the WLAN terminal.
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Accused Products
Abstract
A system and method for keeping a Wireless Local Area Network (WLAN) terminal always online is provided. The method includes: the WLAN terminal, configured to receive and execute an online/offline strategy formulated by an online state server, and notify the online state server of its own state change when its own state has been switched into an online state or is about to be switched into an offline state; the online state server, configured to formulate and send the online/offline strategy to the WLAN terminal; and an online data caching server, configured to receive a notice about the online/offline state of the WLAN terminal, cache data sent by each data source to the WLAN terminal after the WLAN terminal is switched into the offline state, and transmit the cached data to the WLAN terminal after the WLAN terminal is switched into the online state.
8 Citations
16 Claims
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1. A system for keeping a Wireless Local Area Network (WLAN) terminal always online, comprising the WLAN terminal, an online state server and an online data caching server, wherein
the WLAN terminal is configured to receive and execute an online/offline strategy formulated by the online state server, and notify the online state server of a state change of the WLAN terminal when a state of the WLAN terminal has been switched into an online state or is about to be switched into an offline state; -
the online state server is configured to formulate and send the online/offline strategy to the WLAN terminal; and the online data caching server is configured to receive a notice about the online/offline state of the WLAN terminal, cache data sent by each data source to the WLAN terminal after the WLAN terminal is switched into the offline state, and transmit the cached data to the WLAN terminal after the WLAN terminal is switched into the online state;
wherein the offline state is a Power Save (PS) state, and the online state is an Active state;wherein the online data caching server is an AP or other network element except the AP;
when the online data caching server is the AP, the WLAN terminal is configured to directly notify the online data caching server of the online/offline state of the WLAN terminal when the state of the WLAN terminal has been switched into the online state or is about to be switched into the offline state;
the online data caching server is configured to receive the notice about the online/offline state of the WLAN terminal, and notify the online state server of the online/offline state of the WLAN terminal;when the online data caching server is other network element except the AP, the WLAN terminal is configured to notify the online state server of the online/offline state of the WLAN terminal when the state of the WLAN terminal has been switched into the online state or is about to be switched into the offline state; and
the online state server is configured to receive the notice about the online/offline state of the WLAN terminal, and notify the online data caching server of the online/offline state of the WLAN terminal. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An online data caching server for keeping a Wireless Local Area Network (WLAN) terminal always online, comprising:
- a first state transceiver module, a caching module and a cached data sending module, wherein
the first state transceiver module is configured to receive and send a notice about an online/offline state of the WLAN terminal; the caching module is configured to cache data sent by each data resource to the WLAN terminal after the WLAN terminal is switched into the offline state; and the cached data sending module is configured to transmit the data cached by the caching module to the WLAN terminal after the WLAN terminal is switched into the offline state; wherein the offline state is a Power Save (PS) state, and the online state is an Active state; wherein when the online data caching server is the AP, the online data caching server is configured to receive a notice about the online/offline state of the WLAN terminal sent by the WLAN terminal, and notify the online state server of the online/offline state of the WLAN terminal; when the online data caching server is other network element except the AP, the online data caching server is configured to receive a notice about the online/offline state of the WLAN terminal sent by the online state server;
wherein the notice about the online/offline state of the WLAN terminal is sent to the online state server by the WLAN terminal. - View Dependent Claims (8)
- a first state transceiver module, a caching module and a cached data sending module, wherein
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9. An online state server for keeping a Wireless Local Area Network (WLAN) terminal always online, comprising:
- a strategy formulation module, a strategy sending module, a second state transceiver module and a state recording and querying module, wherein
the strategy formulation module is configured to formulate an online/offline strategy for the WLAN terminal; the strategy sending module is configured to send the online/offline strategy formulated by the strategy formulation module to the WLAN terminal; the second state transceiver module is configured to receive and send a notice about an online/offline state, determined by the online/offline strategy, of the WLAN terminal; and the state recording and querying module is configured to record the online/offline state of the WLAN terminal after receiving the notice about the online/offline state of the WLAN terminal, and provide service of querying the online/offline state of the WLAN terminal for an application service server; wherein the offline state is a Power Save (PS) state, and the online state is an Active state; wherein the second state transceiver module is further configured to receive a notice about the online/offline state of the WLAN terminal sent by the online data caching server, wherein the notice about the online/offline state of the WLAN terminal is sent to the online data caching server by the WLAN terminal;
orthe second state transceiver module is further configured to receive a notice about the online/offline state of the WLAN terminal sent by the WLAN terminal, and notify the online data caching server of the online/offline state of the WLAN terminal.
- a strategy formulation module, a strategy sending module, a second state transceiver module and a state recording and querying module, wherein
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10. A method for keeping a Wireless Local Area Network (WLAN) terminal always online, comprising:
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receiving and executing, by the WLAN terminal, an online/offline strategy formulated by an online state server, and notifying the online state server of a state change of the WLAN terminal when a state of the WLAN terminal has been switched into an online state or is about to be switched into an offline state; receiving, by an online data caching server, a notice about the online/offline state of the WLAN terminal, and caching data sent by each data source to the WLAN terminal after the WLAN terminal is switched into the offline state; and transmitting, by the online data caching server, the cached data to the WLAN terminal after the WLAN terminal is switched into the online state; wherein the offline state is a Power Save (PS) state, and the online state is an Active state; wherein the online data caching server is an AP or other network element except the AP;
when the online data caching server is the AP, the WLAN terminal directly notifies the online data caching server of the online/offline state of the WLAN terminal when the state of the WLAN terminal has been switched into the online state or is about to be switched into the offline state, and the online data caching server receives the notice about the online/offline state of the WLAN terminal, and notifies the online state server of the online/offline state of the WLAN terminal;when the online data caching server is other network element except the AP, the WLAN terminal notifies the online state server of the online/offline state of the WLAN terminal when the state of the WLAN terminal has been switched into the online state or is about to be switched into the offline state, and the online state server receives the notice about the online/offline state of the WLAN terminal, and notifies the online data caching server of the online/offline state of the WLAN terminal. - View Dependent Claims (11, 12, 13, 14)
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15. A method for keeping a Wireless Local Area Network (WLAN) terminal always online, comprising:
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acquiring a notice about an online/offline state change made when the WLAN terminal has been switched into an online state or is about to be switched into an offline state according to an online/offline strategy formulated by an online state server; caching data sent by each data source to the WLAN terminal after the WLAN terminal is switched into the offline state; and transmitting the cached data to the WLAN terminal after the WLAN terminal is switched into the online state; wherein the offline state is a Power Save (PS) state, and the online state is an Active state; wherein the acquiring a notice about an online/offline state change made comprises; receiving a notice about the online/offline state of the WLAN terminal sent by the WLAN terminal, in order to notify the online state server of the online/offline state of the WLAN terminal;
orreceiving a notice about the online/offline state of the WLAN terminal sent by the online state server;
wherein the notice about the online/offline state of the WLAN terminal is sent to the online state server by the WLAN terminal. - View Dependent Claims (16)
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Specification