CN103533606A - Information transmission method of wireless local-area network, terminal and access device - Google Patents
Information transmission method of wireless local-area network, terminal and access device Download PDFInfo
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- CN103533606A CN103533606A CN201210233075.5A CN201210233075A CN103533606A CN 103533606 A CN103533606 A CN 103533606A CN 201210233075 A CN201210233075 A CN 201210233075A CN 103533606 A CN103533606 A CN 103533606A
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- time information
- wakeup time
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- access device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The embodiment of the application provides an information transmission method of a wireless local-area network, a terminal and an access device. In the embodiment of the application, because the terminal wakes up (that is, enters a wake-up state from a sleep state) according to wake-up time information instead of deciding a wake-up time by the terminal itself so that a problem, which exists in the prior art, that uplink information of a lot of terminals is needed to be sent to the access device at the same time so that a probability of collision in sending the uplink information is increased is prevented and thus energy consumption of the terminal is reduced.
Description
Technical field
The application relates to the communication technology, relates in particular to the information transferring method of WLAN (wireless local area network) (Wireless Local Area Network, WLAN) and terminal, access device.
Background technology
At WLAN (wireless local area network) (Wireless Local Area Network, WLAN) in, terminal is saved (Power Save in power, PS) state, also in the time of can being called sleep state (Sleep/Doze State), when terminal has uplink information to send to access device, this terminal can be waken (Active) state that wakes up that enters up, and by distributed coordination function (Distributed Coordination Function, DCF) or strengthen distributed channel access mode (Enhanced Distributed Channel Access, EDCA) channel is obtained in competition, then, can send uplink information to access device.For example, in wireless compatibility authentication (Wireless Fidelity, WIFI) network, wake up at WIFI station (Station, STA), and obtain channel by free competition, then to WIFI access point (Access Point, AP), sends uplink information.
Yet when great amount of terminals has uplink information to send to access device, the probability of transmission uplink information collision can obviously increase, and has caused the increase of the energy consumption of terminal simultaneously.
Summary of the invention
The application's many aspects provide the information transferring method of WLAN (wireless local area network) and terminal, access device, in order to reduce the energy consumption of terminal.
The application's one side, provides a kind of information transferring method of WLAN (wireless local area network), comprising:
After terminal is associated with access device, described terminal receives the wakeup time information that described access device sends, and described wakeup time information is in order to indicate described terminal to enter the moment of wake-up states from sleep state;
Described terminal is utilized described wakeup time information, with described access device transmission information.
In the possible implementation of the first, described wakeup time information comprises wake-up period, wakes at least one constantly and in delay-tolerant window up.
In conjunction with the possible implementation of the first, in the possible implementation of the second, described wakeup time information also comprises random value, so that described terminal by by described wake-up period, described in wake up constantly and described delay-tolerant window at least one add the above random value, using and from sleep state, enter the moment of wake-up states as described terminal.
In conjunction with the first or the possible implementation of the second, in the third possible implementation, described wakeup time information is delay-tolerant window, so that described terminal is selected a random moment in described delay-tolerant window, using and from sleep state, enter the moment of wake-up states as described terminal.
In conjunction with the first, the second or the third possible implementation, in the 4th kind of possible implementation, described terminal comprises before receiving the wakeup time information of described access device transmission:
Described terminal sends expectation wakeup time information to described access device, and described expectation wakeup time information enters the moment of wake-up states in order to terminal described in indicative of desired from sleep state.
The application on the other hand, provides a kind of information transferring method of WLAN (wireless local area network), comprising:
Access device generates wakeup time information, and described wakeup time information enters the moment of wake-up states in order to indicating terminal from sleep state;
After described access device is associated with described terminal, described access device sends described wakeup time information to described terminal, so that described terminal is utilized described wakeup time information, with described access device transmission information.
In the possible implementation of the first, described access device generates wakeup time information, comprising:
Described access device, according at least one in the congestion state of current system, current terminal number in wake-up states and the variation in described terminal transmission cycle, generates described wakeup time information.
In conjunction with the possible implementation of the first, in the possible implementation of the second, described wakeup time information comprises wake-up period, wakes at least one constantly and in delay-tolerant window up.
In conjunction with the possible implementation of the second, in the third possible implementation, described wakeup time information also comprises random value, so that described terminal by by described wake-up period, described in wake up constantly and described delay-tolerant window at least one add the above random value, using and from sleep state, enter the moment of wake-up states as described terminal.
In conjunction with the first, the second or the third possible implementation, in the 4th kind of possible implementation, described wakeup time information is delay-tolerant window, so that described terminal is selected a random moment in described delay-tolerant window, using and from sleep state, enter the moment of wake-up states as described terminal.
In conjunction with the first, the second, the third or the 4th kind of possible implementation, in the 5th kind of possible implementation, described access device also comprises before generating wakeup time information:
Described access device receives the expectation wakeup time information that described terminal sends, and described expectation wakeup time information enters the moment of wake-up states in order to terminal described in indicative of desired from sleep state.
The application on the other hand, provides a kind of terminal, comprising:
Receiver, for after terminal is associated with access device, receive the wakeup time information that described access device sends, or by described wakeup time communication to transmitter, described wakeup time information is in order to indicate described terminal to enter the moment of wake-up states from sleep state;
Described receiver, also for utilizing described wakeup time information, prepares to receive the downlink information that described access device sends; Or
Described terminal also comprises described transmitter, for utilizing described wakeup time information, to described access device, sends uplink information.
In the possible implementation of the first, described wakeup time information comprises wake-up period, wakes at least one constantly and in delay-tolerant window up.
In conjunction with the possible implementation of the first, in the possible implementation of the second, described wakeup time information also comprises random value, so that described receiver or described transmitter by by described wake-up period, described in wake up constantly and described delay-tolerant window at least one add the above random value, using and from sleep state, enter the moment of wake-up states as described terminal.
In conjunction with the first or the possible implementation of the second, in the third possible implementation, described wakeup time information is delay-tolerant window, so that described terminal is selected a random moment in described delay-tolerant window, using and from sleep state, enter the moment of wake-up states as described terminal.
In conjunction with the first, the second or the third possible implementation, in the 4th kind of possible implementation, described transmitter also for
To described access device, send expectation wakeup time information, described expectation wakeup time information enters the moment of wake-up states in order to terminal described in indicative of desired from sleep state.
The application on the other hand, provides a kind of access device, comprising:
Generation unit, for generating wakeup time information, and by described wakeup time communication to transmitter, described wakeup time information enters the moment of wake-up states in order to indicating terminal from sleep state;
Described transmitter, for after described access device is associated with described terminal, sends described wakeup time information to described terminal, so that described terminal is utilized described wakeup time information, with described access device transmission information.
In the possible implementation of the first, described generation unit specifically for
According in the congestion state of current system, current terminal number in wake-up states and the variation in described terminal transmission cycle at least one, generates described wakeup time information.
In conjunction with the possible implementation of the first, in the possible implementation of the second, described wakeup time information comprises wake-up period, wakes at least one constantly and in delay-tolerant window up.
In conjunction with the possible implementation of the second, in the third possible implementation, described wakeup time information also comprises random value, so that described terminal by by described wake-up period, described in wake up constantly and described delay-tolerant window at least one add the above random value, using and from sleep state, enter the moment of wake-up states as described terminal.
In conjunction with the first, the second or the third possible implementation, in the 4th kind of possible implementation, described wakeup time information is delay-tolerant window, so that described terminal is selected a random moment in described delay-tolerant window, using and from sleep state, enter the moment of wake-up states as described terminal.
In conjunction with the first, the second, the third or the 4th kind of possible implementation, in the 5th kind of possible implementation, described access device also comprises receiver, for
Receive the expectation wakeup time information that described terminal sends, described expectation wakeup time information enters the moment of wake-up states in order to terminal described in indicative of desired from sleep state.
As shown from the above technical solution, on the one hand, the embodiment of the present application is by after terminal is associated with access device, described terminal receives the wakeup time information that described access device sends, described wakeup time information is in order to indicate described terminal to enter the moment of wake-up states from sleep state, make described terminal can utilize described wakeup time information, with described access device transmission information, because terminal is according to described wakeup time information wake up (entering wake-up states from sleep state), no longer by described terminal oneself, determine the moment of waking up, can avoid because great amount of terminals has uplink information simultaneously, need to sending to access device the problem of the probability increase of the transmission uplink information collision causing in prior art, thereby reduced the energy consumption of terminal.
As shown from the above technical solution, on the other hand, the embodiment of the present application generates wakeup time information by access device, described wakeup time information enters the moment of wake-up states in order to indicating terminal from sleep state, make after described access device is associated with described terminal, described access device can send described wakeup time information to described terminal, so that described terminal is utilized described wakeup time information, with described access device transmission information, because terminal is according to described wakeup time information wake up (entering wake-up states from sleep state), no longer by described terminal oneself, determine the moment of waking up, can avoid because great amount of terminals has uplink information simultaneously, need to sending to access device the problem of the probability increase of the transmission uplink information collision causing in prior art, thereby reduced the energy consumption of terminal.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiment of the application, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The schematic flow sheet of the information transferring method of the WLAN (wireless local area network) that Fig. 1 provides for the application one embodiment;
The schematic flow sheet of the information transferring method of the WLAN (wireless local area network) that Fig. 2 provides for another embodiment of the application;
The structural representation of a kind of equipment that Fig. 3 provides for another embodiment of the application;
The structural representation of the terminal that Fig. 4 provides for another embodiment of the application;
The structural representation of the access device that Fig. 5 provides for another embodiment of the application;
The structural representation of the access device that Fig. 6 provides for another embodiment of the application.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present application clearer, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is the application's part embodiment, rather than whole embodiment.Embodiment based in the application, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the application's protection.
In addition, term "and/or", is only a kind of incidence relation of describing affiliated partner herein, and expression can exist three kinds of relations, and for example, A and/or B, can represent: individualism A exists A and B, these three kinds of situations of individualism B simultaneously.In addition, character "/", generally represents that forward-backward correlation is to liking a kind of relation of "or" herein.
The schematic flow sheet of the information transferring method of the WLAN (wireless local area network) that Fig. 1 provides for the application one embodiment, as shown in Figure 1.
101, after terminal is associated with access device, described terminal receives the wakeup time information that described access device sends, and described wakeup time information is in order to indicate described terminal to enter the moment of wake-up states from sleep state.
102, described terminal is utilized described wakeup time information, with described access device transmission information.
Alternatively, in one of the present embodiment possible implementation, in 101, control frame, management frames or information frame that described terminal specifically can send by receiving described access device, receive described wakeup time information.
Particularly, existing control frame, management frames or information frame that described terminal specifically can send by receiving described access device, receive described wakeup time information.
For example, described wakeup time information can be the information element (InformationElement is called for short IE) newly increasing, and comprises component identification (Element Identity is called for short ID) field, length field and wakeup time information field.
Particularly, new control frame, management frames or information frame that described terminal specifically can send by receiving described access device, receive described wakeup time information.
Alternatively, in one of the present embodiment possible implementation, before 101, described terminal can also further send expectation wakeup time information to described access device, and described expectation wakeup time information enters the moment of wake-up states in order to terminal described in indicative of desired from sleep state.
Alternatively, in one of the present embodiment possible implementation, described terminal specifically can be passed through transmission control frame, management frames or information frame, to described access device, sends described expectation wakeup time information.
Particularly, described terminal specifically can, by sending existing control frame, management frames or information frame, send described expectation wakeup time information to described access device.
For example, described expectation wakeup time information can be an IE who newly increases, and comprises id field, length field and expectation wakeup time information field.
Particularly, described terminal specifically can, by sending new control frame, management frames or information frame, send described expectation wakeup time information to described access device.
Alternatively, in one of the present embodiment possible implementation, in 101, the described wakeup time information that terminal receives can include but not limited to wake-up period, wake at least one constantly and in delay-tolerant window up.
Further alternatively, the described wakeup time information that terminal receives can further include random value, so that described terminal can by by wake-up period, wake up constantly and delay-tolerant window at least one add the above random value, using and from sleep state, enter the moment of wake-up states as described terminal.
Alternatively, in one of the present embodiment possible implementation, in 101, when the described wakeup time information that terminal receives is delay-tolerant window, can, so that described terminal is selected a random moment in described delay-tolerant window, using and from sleep state, enter the moment of wake-up states as described terminal.
It should be noted that, the indicated moment of described wakeup time information can be to represent with beacon interval (Beacon Interval), or can also be accurate to the concrete time and represent, for example, the time of microsecond or Millisecond, the present embodiment does not limit this.
Alternatively, in one of the present embodiment possible implementation, in 103, described terminal specifically can enter wake-up states from sleep state according to described wakeup time information, to described access device, sends uplink information.
Alternatively, in one of the present embodiment possible implementation, in 103, described terminal specifically can enter wake-up states from sleep state according to described wakeup time information, intercept the beacon frame of described access device transmission or to described access device, send PS poll frame, the downlink information sending to receive described access device.
In the present embodiment, by after terminal is associated with access device, described terminal receives the wakeup time information that described access device sends, described wakeup time information is in order to indicate described terminal to enter the moment of wake-up states from sleep state, make described terminal can utilize described wakeup time information, with described access device transmission information, because terminal is according to described wakeup time information wake up (entering wake-up states from sleep state), no longer by described terminal oneself, determine the moment of waking up, can avoid because great amount of terminals has uplink information simultaneously, need to sending to access device the problem of the probability increase of the transmission uplink information collision causing in prior art, thereby reduced the energy consumption of terminal.
The schematic flow sheet of the information transferring method of the WLAN (wireless local area network) that Fig. 2 provides for another embodiment of the application, as shown in Figure 2.
201, access device generates wakeup time information, and described wakeup time information enters the moment of wake-up states in order to indicating terminal from sleep state.
202, after described access device is associated with described terminal, described access device sends described wakeup time information to described terminal, so that described terminal is utilized described wakeup time information, with described access device transmission information.
Alternatively, in one of the present embodiment possible implementation, in 202, described access device specifically can pass through transmission control frame, management frames or information frame, to described terminal, sends described wakeup time information.
Particularly, described access device can, by sending existing control frame, management frames or information frame, send described wakeup time information to described terminal.
For example, described wakeup time information can be the information element (InformationElement is called for short IE) newly increasing, and comprises component identification (Element Identity is called for short ID) field, length field and wakeup time information field.
Particularly, described access device can, by sending new control frame, management frames or information frame, send described wakeup time information to described terminal.
Alternatively, in one of the present embodiment possible implementation, in 201, described access device specifically can be according at least one in the congestion state of current system, current terminal number in wake-up states and the variation in described terminal transmission cycle, generate described wakeup time information, thereby make each terminal disperse in time to carry out and described access device transmission information.For example, can determine according to the method for random appointment, 15 terminals of randomly discharging in 5 beacon interval (Beacon Interval) after 10 beacon interval (Beacon Interval), to carry out and described access device transmission information.
Alternatively, in one of the present embodiment possible implementation, before 201, described access device can also further receive the expectation wakeup time information that described terminal sends, and described expectation wakeup time information enters the moment of wake-up states in order to terminal described in indicative of desired from sleep state.Like this, described access device can, further according to described expectation wakeup time information, generate described wakeup time information.
Alternatively, in one of the present embodiment possible implementation, control frame, management frames or information frame that described access device specifically can send by receiving described terminal, receive described expectation wakeup time information.
Particularly, existing control frame, management frames or information frame that described access device specifically can send by receiving described terminal, receive described expectation wakeup time information.
For example, described expectation wakeup time information can be an IE who newly increases, and comprises id field, length field and expectation wakeup time information field.
Particularly, described access device specifically can, by receiving new existing control frame, management frames or the information frame of described terminal, receive described expectation wakeup time information.
Alternatively, in one of the present embodiment possible implementation, in 201, the described wakeup time information that access device generates can include but not limited to wake-up period, wake at least one constantly and in delay-tolerant window up.
Further alternatively, the described wakeup time information that access device generates can further include random value, so that terminal can by by wake-up period, wake up constantly and delay-tolerant window at least one add the above random value, using and from sleep state, enter the moment of wake-up states as described terminal.
Alternatively, in one of the present embodiment possible implementation, in 201, when the described wakeup time information that access device generates is delay-tolerant window, can, so that described terminal is selected a random moment in described delay-tolerant window, using and from sleep state, enter the moment of wake-up states as described terminal.
It should be noted that, the indicated moment of described wakeup time information can be to represent with beacon interval (Beacon Interval), or can also be accurate to the concrete time and represent, for example, the time of microsecond or Millisecond, the present embodiment does not limit this.
In the present embodiment, by access device, generate wakeup time information, described wakeup time information enters the moment of wake-up states in order to indicating terminal from sleep state, make after described access device is associated with described terminal, described access device can send described wakeup time information to described terminal, so that described terminal is utilized described wakeup time information, with described access device transmission information, because terminal is according to described wakeup time information wake up (entering wake-up states from sleep state), no longer by described terminal oneself, determine the moment of waking up, can avoid because great amount of terminals has uplink information simultaneously, need to sending to access device the problem of the probability increase of the transmission uplink information collision causing in prior art, thereby reduced the energy consumption of terminal.
It should be noted that, for aforesaid each embodiment of the method, for simple description, therefore it is all expressed as to a series of combination of actions, but those skilled in the art should know, the application is not subject to the restriction of described sequence of movement, because according to the application, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and related action and module might not be that the application is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part of detailed description, can be referring to the associated description of other embodiment.
The embodiment of the present invention further provides the device embodiment that realizes each step and method in said method embodiment.The embodiment of the present invention can be applicable to base station or the terminal in various communication systems.Fig. 3 shows the structural representation of a kind of equipment that another embodiment of the present invention provides, in this embodiment, equipment 30 comprises radiating circuit 302, receiving circuit 303, power controller 304, encoding and decoding processor 305, processing unit 306, memory 307 and antenna 301.The operation of processing unit 306 control appliances 30, processing unit 306 can also be called central processor CPU.Memory 307 can comprise read-only memory and random access memory, and provides instruction and information to processing unit 306.A part for memory 307 can also comprise non-volatile row random access memory (NVRAM).In concrete application, equipment 30 can embed or itself can be exactly the Wireless Telecom Equipment of mobile phone and so on for example, can also comprise the carrier that holds radiating circuit 302 and receiving circuit 303, to carry out information transmitting and reception between permission equipment 30 and remote equipment.Equipment 30 is likely also the communication system equipments such as base station.Radiating circuit 302 and receiving circuit 303 can be coupled to antenna 301.Each assembly of equipment 30 is coupled by bus system 3100, and wherein bus system 3100, except comprising bus, also comprises power bus, control bus and status signal bus in addition.But for the purpose of clearly demonstrating, in the drawings various buses are all designated as to bus system 3100.Equipment 30 can also comprise processing unit 306 for the treatment of signal, comprise power controller 304, encoding and decoding processor 305 in addition.
The method that the invention described above embodiment discloses can be applied in equipment 30.Processing unit 306 may be a kind of integrated circuit (IC) chip, has the disposal ability of signal.In implementation procedure, each step of said method can complete by the integrated logic circuit of the hardware in processing unit 306 or the instruction of form of software.These instructions can be realized and control to coordinate by processing unit 306 wherein.The method disclosing for carrying out the embodiment of the present invention, above-mentioned encoding and decoding processor and processing unit can be general processor, digital signal processor (DSP), application-specific integrated circuit (ASIC) (ASIC), ready-made programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic device, discrete hardware components.Can realize or carry out disclosed each method, step and logic diagram in the embodiment of the present invention.General processor can be that microprocessor or this processor can be also the processors of any routine, decoder etc.Step in conjunction with the disclosed method of the embodiment of the present invention can directly be presented as that hardware compression processor is complete, or complete with the hardware in encoding and decoding processor and software module combination.Software module can be positioned at random asccess memory, and flash memory, read-only memory, in the storage medium of this area maturations such as programmable read only memory or electrically erasable programmable memory, register.This storage medium is positioned at memory 307, and the information in decoding unit read memory 307 completes the step of said method in conjunction with its hardware.
The structural representation of the terminal that Fig. 4 provides for another embodiment of the application, as shown in Figure 4, the terminal of the present embodiment can comprise receiver 41.Wherein, receiver 41 is for after terminal is associated with access device, receive the wakeup time information that described access device sends, or by described wakeup time communication to transmitter 42, described wakeup time information is in order to indicate described terminal to enter the moment of wake-up states from sleep state; Described receiver 41, also for utilizing described wakeup time information, prepares to receive the downlink information that described access device sends; Or described terminal also comprises described transmitter 42, for utilizing described wakeup time information, to described access device, send uplink information.Transmitter 42 and receiver 41 can be respectively that transtation mission circuit and the receiving circuit coupled antenna in equipment 30 realized afterwards.Can be STA in WLAN, user terminal etc.
Alternatively, in one of the present embodiment possible implementation, control frame, management frames or information frame that receiver 41 specifically can send by receiving described access device, receive described wakeup time information.
Particularly, existing control frame, management frames or information frame that receiver 41 specifically can send by receiving described access device, receive described wakeup time information.
For example, described wakeup time information can be the information element (InformationElement is called for short IE) newly increasing, and comprises component identification (Element Identity is called for short ID) field, length field and wakeup time information field.
Particularly, new control frame, management frames or information frame that receiver 41 specifically can send by receiving described access device, receive described wakeup time information.
Alternatively, in one of the present embodiment possible implementation, transmitter 42 can also further send expectation wakeup time information to described access device, and described expectation wakeup time information enters the moment of wake-up states in order to terminal described in indicative of desired from sleep state.
Particularly, transmitter 42 specifically can pass through transmission control frame, management frames or information frame, to described access device, sends described expectation wakeup time information.
Particularly, transmitter 42 specifically can, by sending existing control frame, management frames or information frame, send described expectation wakeup time information to described access device.
For example, described expectation wakeup time information can be an IE who newly increases, and comprises id field, length field and expectation wakeup time information field.
Particularly, transmitter 42 specifically can, by sending new control frame, management frames or information frame, send described expectation wakeup time information to described access device.
Alternatively, in one of the present embodiment possible implementation, the described wakeup time information that receiver 41 receives can include but not limited to wake-up period, wake at least one constantly and in delay-tolerant window up.
Further alternatively, the described wakeup time information that receiver 41 receives can further include random value, so that can by by wake-up period, wake up constantly and delay-tolerant window at least one add the above random value, using and from sleep state, enter the moment of wake-up states as described terminal.
Further alternatively, in one of the present embodiment possible implementation, when the described wakeup time information that receiver 41 receives is delay-tolerant window, can, so that described terminal is selected a random moment in described delay-tolerant window, using and from sleep state, enter the moment of wake-up states as described terminal.
It should be noted that, the indicated moment of described wakeup time information can be to represent with beacon interval (Beacon Interval), or can also be accurate to the concrete time and represent, for example, the time of microsecond or Millisecond, the present embodiment does not limit this.
Alternatively, in one of the present embodiment possible implementation, transmitter 42 specifically can enter wake-up states from sleep state according to described wakeup time information, to described access device, sends described uplink information.
Alternatively, in one of the present embodiment possible implementation, receiver 41 specifically can enter wake-up states from sleep state according to described wakeup time information, intercept the beacon frame of described access device transmission or to described access device, send PS poll frame, the described downlink information sending to receive described access device.
In the present embodiment, terminal by receiver after terminal is associated with access device, receive the wakeup time information that described access device sends, described wakeup time information is in order to indicate described terminal to enter the moment of wake-up states from sleep state, make described receiver or transmitter can utilize described wakeup time information, with described access device transmission information, because terminal is according to described wakeup time information wake up (entering wake-up states from sleep state), no longer by described terminal oneself, determine the moment of waking up, can avoid because great amount of terminals has uplink information simultaneously, need to sending to access device the problem of the probability increase of the transmission uplink information collision causing in prior art, thereby reduced the energy consumption of terminal.
The structural representation of the access device that Fig. 5 provides for another embodiment of the application, as shown in Figure 5, the access device of the present embodiment can comprise generation unit 51 and transmitter 52.Wherein, generation unit 51 is for generating wakeup time information, and by described wakeup time communication to transmitter 52, described wakeup time information enters the moment of wake-up states in order to indicating terminal from sleep state; Described transmitter 52, for after described access device is associated with described terminal, sends described wakeup time information to described terminal, so that described terminal is utilized described wakeup time information, with described access device transmission information.
Alternatively, in one of the present embodiment possible implementation, transmitter 52 specifically can pass through transmission control frame, management frames or information frame, to described terminal, sends described wakeup time information.
Particularly, transmitter 52 specifically can, by sending existing control frame, management frames or information frame, send described wakeup time information to described terminal.
For example, described wakeup time information can be the information element (InformationElement is called for short IE) newly increasing, and comprises component identification (Element Identity is called for short ID) field, length field and wakeup time information field.
Particularly, transmitter 52 specifically can, by sending new control frame, management frames or information frame, send described wakeup time information to described terminal.
Alternatively, in one of the present embodiment possible implementation, generation unit 51 specifically can, according at least one in the congestion state of current system, current terminal number in wake-up states and the variation in described terminal transmission cycle, generate described wakeup time information.
Particularly, generation unit 51 can pass through the monitoring to network, or by with other third party devices (for example, apparatus of electrical monitoring equipment etc.) carry out alternately, obtain at least one in the congestion state of current system, current terminal number in wake-up states and the variation in described terminal transmission cycle, with according at least one in the congestion state of current system, current terminal number in wake-up states and the variation in described terminal transmission cycle, generate described wakeup time information.
Alternatively, in one of the present embodiment possible implementation, as shown in Figure 6, the access device of the present embodiment can further include receiver 61, the expectation wakeup time information sending for receiving described terminal, described expectation wakeup time information enters the moment of wake-up states in order to terminal described in indicative of desired from sleep state.Like this, described access device can, further according to described expectation wakeup time information, generate described wakeup time information.
Particularly, control frame, management frames or information frame that receiver 61 specifically can send by receiving described terminal, receive described expectation wakeup time information.
Particularly, existing control frame, management frames or information frame that receiver 61 specifically can send by receiving described terminal, receive described expectation wakeup time information.
For example, described expectation wakeup time information can be an IE who newly increases, and comprises id field, length field and expectation wakeup time information field.
Particularly, receiver 61 specifically can, by receiving new existing control frame, management frames or the information frame of described terminal, receive described expectation wakeup time information.
Alternatively, in one of the present embodiment possible implementation, the described wakeup time information that generation unit 51 generates can include but not limited to wake-up period, wake at least one constantly and in delay-tolerant window up.
Further alternatively, the described wakeup time information that generation unit 51 generates can further include random value, so that terminal can by by wake-up period, wake up constantly and delay-tolerant window at least one add the above random value, using and from sleep state, enter the moment of wake-up states as described terminal.
Alternatively, in one of the present embodiment possible implementation, the described wakeup time information that generation unit 51 generates is delay-tolerant window, can, so that described terminal is selected a random moment in described delay-tolerant window, using and from sleep state, enter the moment of wake-up states as described terminal.
It should be noted that, the indicated moment of described wakeup time information can be to represent with beacon interval (Beacon Interval), or can also be accurate to the concrete time and represent, for example, the time of microsecond or Millisecond, the present embodiment does not limit this.
It should be noted that, the generation unit 51 in the present embodiment is specifically as follows a processor, for example, and CPU etc.
In the present embodiment, access device generates wakeup time information by generation unit, described wakeup time information enters the moment of wake-up states in order to indicating terminal from sleep state, make after described access device is associated with described terminal, transmitter can send described wakeup time information to described terminal, so that described terminal is utilized described wakeup time information, with described access device transmission information, because terminal is according to described wakeup time information wake up (entering wake-up states from sleep state), no longer by described terminal oneself, determine the moment of waking up, can avoid because great amount of terminals has uplink information simultaneously, need to sending to access device the problem of the probability increase of the transmission uplink information collision causing in prior art, thereby reduced the energy consumption of terminal.
Those skilled in the art can be well understood to, for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.
In the several embodiment that provide in the application, should be understood that, disclosed system, apparatus and method, can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described unit, be only that a kind of logic function is divided, during actual realization, can have other dividing mode, for example a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.
The described unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in a plurality of network element.Can select according to the actual needs some or all of unit wherein to realize the object of the present embodiment scheme.
Finally it should be noted that: above embodiment only, in order to the application's technical scheme to be described, is not intended to limit; Although the application is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.
Claims (32)
1. an information transferring method for WLAN (wireless local area network), is characterized in that, comprising:
After terminal is associated with access device, described terminal receives the wakeup time information that described access device sends, and described wakeup time information is in order to indicate described terminal to enter the moment of wake-up states from sleep state;
Described terminal is utilized described wakeup time information, with described access device transmission information.
2. method according to claim 1, is characterized in that, described terminal receives the wakeup time information that described access device sends, and comprising:
Control frame, management frames or information frame that described terminal sends by receiving described access device, receive described wakeup time information.
3. method according to claim 1 and 2, is characterized in that, described wakeup time information comprises wake-up period, wakes at least one constantly and in delay-tolerant window up.
4. method according to claim 3, it is characterized in that, described wakeup time information also comprises random value, so that described terminal by by described wake-up period, described in wake up constantly and described delay-tolerant window at least one add the above random value, using and from sleep state, enter the moment of wake-up states as described terminal.
5. according to the method described in the arbitrary claim of claim 1～4, it is characterized in that, described wakeup time information is delay-tolerant window, so that described terminal is selected a random moment in described delay-tolerant window, usings and from sleep state, enters the moment of wake-up states as described terminal.
6. according to the method described in the arbitrary claim of claim 1～5, it is characterized in that, described terminal is utilized described wakeup time information, with described access device transmission information, comprising:
Described terminal enters wake-up states according to described wakeup time information from sleep state, to described access device, sends uplink information; Or
Described terminal enters wake-up states according to described wakeup time information from sleep state, intercepts the beacon frame of described access device transmission or to described access device, sends PS poll frame, the downlink information sending to receive described access device.
7. according to the method described in the arbitrary claim of claim 1～6, it is characterized in that, described terminal comprises before receiving the wakeup time information of described access device transmission:
Described terminal sends expectation wakeup time information to described access device, and described expectation wakeup time information enters the moment of wake-up states in order to terminal described in indicative of desired from sleep state.
8. method according to claim 7, is characterized in that, described terminal sends expectation wakeup time information to described access device, comprising:
Described terminal, by transmission control frame, management frames or information frame, sends described expectation wakeup time information to described access device.
9. an information transferring method for WLAN (wireless local area network), is characterized in that, comprising:
Access device generates wakeup time information, and described wakeup time information enters the moment of wake-up states in order to indicating terminal from sleep state;
After described access device is associated with described terminal, described access device sends described wakeup time information to described terminal, so that described terminal is utilized described wakeup time information, with described access device transmission information.
10. method according to claim 9, is characterized in that, described access device sends described wakeup time information to described terminal, comprising:
Described access device, by transmission control frame, management frames or information frame, sends described wakeup time information to described terminal.
11. according to the method described in claim 9 or 10, it is characterized in that, described access device generates wakeup time information, comprising:
Described access device, according at least one in the congestion state of current system, current terminal number in wake-up states and the variation in described terminal transmission cycle, generates described wakeup time information.
12. according to the method described in the arbitrary claim of claim 9～11, it is characterized in that, described wakeup time information comprises wake-up period, wakes at least one constantly and in delay-tolerant window up.
13. methods according to claim 12, it is characterized in that, described wakeup time information also comprises random value, so that described terminal by by described wake-up period, described in wake up constantly and described delay-tolerant window at least one add the above random value, using and from sleep state, enter the moment of wake-up states as described terminal.
14. according to the method described in the arbitrary claim of claim 9～13, it is characterized in that, described wakeup time information is delay-tolerant window, so that described terminal is selected a random moment in described delay-tolerant window, using and from sleep state, enter the moment of wake-up states as described terminal.
15. according to the method for the arbitrary claim of claim 9～14, it is characterized in that, described access device also comprises before generating wakeup time information:
Described access device receives the expectation wakeup time information that described terminal sends, and described expectation wakeup time information enters the moment of wake-up states in order to terminal described in indicative of desired from sleep state.
16. methods according to claim 15, is characterized in that, described access device receives the expectation wakeup time information that described terminal sends, and comprising:
Control frame, management frames or information frame that described access device sends by receiving described terminal, receive described expectation wakeup time information.
17. 1 kinds of terminals, is characterized in that, comprising:
Receiver, for after terminal is associated with access device, receive the wakeup time information that described access device sends, or by described wakeup time communication to transmitter, described wakeup time information is in order to indicate described terminal to enter the moment of wake-up states from sleep state;
Described receiver, also for utilizing described wakeup time information, prepares to receive the downlink information that described access device sends; Or
Described terminal also comprises described transmitter, for utilizing described wakeup time information, to described access device, sends uplink information.
18. terminals according to claim 17, is characterized in that, described receiver specifically for
The control frame, management frames or the information frame that by receiving described access device, send, receive described wakeup time information.
19. according to the terminal described in claim 17 or 18, it is characterized in that, described wakeup time information comprises wake-up period, wakes at least one constantly and in delay-tolerant window up.
20. terminals according to claim 19, it is characterized in that, described wakeup time information also comprises random value, so that described receiver or described transmitter by by described wake-up period, described in wake up constantly and described delay-tolerant window at least one add the above random value, using and from sleep state, enter the moment of wake-up states as described terminal.
21. according to the terminal described in the arbitrary claim of claim 17～20, it is characterized in that, described wakeup time information is delay-tolerant window, so that described terminal is selected a random moment in described delay-tolerant window, using and from sleep state, enter the moment of wake-up states as described terminal.
22. according to the terminal described in the arbitrary claim of claim 17～21, it is characterized in that,
Described transmitter specifically for
According to described wakeup time information, from sleep state, enter wake-up states, to described access device, send described uplink information; Or
Described receiver specifically for
According to described wakeup time information, from sleep state, enter wake-up states, intercept the beacon frame of described access device transmission or to described access device, send PS poll frame, the described downlink information sending to receive described access device.
23. according to the terminal described in the arbitrary claim of claim 17～22, it is characterized in that, described transmitter also for
To described access device, send expectation wakeup time information, described expectation wakeup time information enters the moment of wake-up states in order to terminal described in indicative of desired from sleep state.
24. terminals according to claim 23, is characterized in that, described transmitter specifically for
By transmission control frame, management frames or information frame, to described access device, send described expectation wakeup time information.
25. 1 kinds of access devices, is characterized in that, comprising:
Generation unit, for generating wakeup time information, and by described wakeup time communication to transmitter, described wakeup time information enters the moment of wake-up states in order to indicating terminal from sleep state;
Described transmitter, for after described access device is associated with described terminal, sends described wakeup time information to described terminal, so that described terminal is utilized described wakeup time information, with described access device transmission information.
26. access devices according to claim 25, is characterized in that, described transmitter specifically for
By transmission control frame, management frames or information frame, to described terminal, send described wakeup time information.
27. according to the access device described in claim 25 or 26, it is characterized in that, described generation unit specifically for
According in the congestion state of current system, current terminal number in wake-up states and the variation in described terminal transmission cycle at least one, generates described wakeup time information.
28. according to the access device described in the arbitrary claim of claim 25～27, it is characterized in that, described wakeup time information comprises wake-up period, wakes at least one constantly and in delay-tolerant window up.
29. access devices according to claim 28, it is characterized in that, described wakeup time information also comprises random value, so that described terminal by by described wake-up period, described in wake up constantly and described delay-tolerant window at least one add the above random value, using and from sleep state, enter the moment of wake-up states as described terminal.
30. according to the access device described in the arbitrary claim of claim 25～29, it is characterized in that, described wakeup time information is delay-tolerant window, so that described terminal is selected a random moment in described delay-tolerant window, using and from sleep state, enter the moment of wake-up states as described terminal.
31. according to the access device of the arbitrary claim of claim 25～30, it is characterized in that, described access device also comprises receiver, for
Receive the expectation wakeup time information that described terminal sends, described expectation wakeup time information enters the moment of wake-up states in order to terminal described in indicative of desired from sleep state.
32. access devices according to claim 31, is characterized in that, described receiver specifically for
The control frame, management frames or the information frame that by receiving described terminal, send, receive described expectation wakeup time information.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210233075.5A CN103533606A (en) | 2012-07-06 | 2012-07-06 | Information transmission method of wireless local-area network, terminal and access device |
| PCT/CN2013/077057 WO2014005477A1 (en) | 2012-07-06 | 2013-06-09 | Method for transmitting information in wireless local area network, terminal, and access device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210233075.5A CN103533606A (en) | 2012-07-06 | 2012-07-06 | Information transmission method of wireless local-area network, terminal and access device |
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| CN103533606A true CN103533606A (en) | 2014-01-22 |
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| CN201210233075.5A Pending CN103533606A (en) | 2012-07-06 | 2012-07-06 | Information transmission method of wireless local-area network, terminal and access device |
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| WO (1) | WO2014005477A1 (en) |
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| WO2014005477A1 (en) | 2014-01-09 |
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