CN109309948A

CN109309948A - Communication means, device, site apparatus and the access point apparatus of WLAN

Info

Publication number: CN109309948A
Application number: CN201710629618.8A
Authority: CN
Inventors: 董贤东
Original assignee: Meizu Technology Co Ltd
Current assignee: Meizu Technology Co Ltd
Priority date: 2017-07-28
Filing date: 2017-07-28
Publication date: 2019-02-05
Anticipated expiration: 2037-07-28
Also published as: CN109309948B

Abstract

The present invention provides a kind of communication means of WLAN, device, site apparatus and access point apparatus, wherein, the communication means of WLAN includes: to receive caching downlink data frame, caching downlink data frame includes the first indicating bit and the second indicating bit, when first indicating bit is the first value, the value of the second indicating bit is used to indicate whether site apparatus enters battery saving mode or wait into battery saving mode.According to the technical solution of the present invention, the power consumption that can further reduce communication equipment, improves the availability of frequency spectrum and data throughout.

Description

Communication means, device, site apparatus and the access point apparatus of WLAN

Technical field

The present invention relates to technical field of communication network, communication means, one kind in particular to a kind of WLAN The communication device of WLAN, a kind of site apparatus and a kind of access point apparatus.

Background technique

In July, 2016, IEEE (Institute of Electrical and Electronic Engineers, electricity Gas and Electronic Engineering Association) 802.11 set up next-generation Wi-Fi (Wireless Fidelity, Wireless Fidelity) technology Study group WUR (Wake up Receiver), i.e. IEEE (Institute of Electrical and Electronic Engineers, Institute of Electrical and Electronics Engineers) 802.11ba, in terms of being mainly used in Internet of Things, in order to maximum to the greatest extent The power consumption of equipment may be saved.

A kind of wakeup message (wake up) frame is defined in IEEE 802.11ba standard, main purpose is for calling out Wake up the principal communication interface of communication equipment, i.e. communication equipment passes through time communication interface and receives wake up frame, needed for power consumption it is little In 1mw, power consumption needed for the principal communication interface in this way than directly waking up communication equipment is few very much, is conducive to communication equipment and saves function Consumption.

Based on IEEE 802.11ba standard, site apparatus is being in power mode (Power Save Mode, referred to as PSM) When, the principal communication interface dormant mode support of site apparatus, the secondary communication interface of site apparatus once receives wakeup message frame, Principal communication interface etc. is then waken up immediately receives down buffer storage data.

In order to further decrease the power consumption of communication equipment (including site apparatus and access point apparatus), communication can be set and set Standby secondary communication interface also supports how periodical suspend mode still defines downlink frame to indicate that site apparatus enters power saving Specifically how mode indicates that time communication interface enters periodical suspend mode, and there is no clear stipulaties.

Summary of the invention

The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.

For this purpose, it is an object of the present invention to provide a kind of communication means of WLAN.

It is another object of the present invention to provide a kind of communication devices of WLAN.

Yet another object of the invention is that providing a kind of site apparatus.

Yet another object of the invention is that providing a kind of access point apparatus.

To achieve the goals above, the technical solution of the first aspect of the present invention provides a kind of communication of WLAN Method, comprising: receive caching downlink data frame, caching downlink data frame includes the first indicating bit and the second indicating bit, and first refers to When showing that position is the first value, the value of the second indicating bit is used to indicate whether site apparatus enters battery saving mode or wait into power saving mould Formula.

In the technical scheme, by defining the first indicating bit and the second indicating bit in caching downlink data frame, to refer to Show that site apparatus enters battery saving mode or waits and enter battery saving mode, reduces the generation of data collision, wherein the first indicating bit When for the first value, site apparatus is determined as last frame caching downlink data frame, and continues to be determined whether according to the second indicating bit It is directly entered battery saving mode or waits and enter battery saving mode.

When site apparatus is in battery saving mode, the communications status of principal communication interface and time communication interface is as follows:

(1) principal communication interface is in doze (suspend mode) state；

(2) if secondary communication interface supports periodical suspend mode, secondary communication interface enters doze (periodical suspend mode) shape After state namely secondary communication interface enter periodical dormant state, access point apparatus no longer sends wireless communication to site apparatus and disappears It ceases frame (such as wakeup message frame, management message frame, control message frame and data frame), and secondary communication interface end period suspend mode shape After state, wake up frame can be received, and determine according to the instruction information that wake up is carried and need to receive caching downlink data frame When, wake up principal communication interface；

(3) if secondary communication interface does not support periodical suspend mode, secondary communication interface enters wake states namely secondary logical Interface is believed in wake states, can receive wake up frame always, and the instruction information carried according to wake up determines and needs to connect When receiving caching downlink data frame, principal communication interface is waken up.

Wherein, receive wake up frame institute wasted work rate be about 1mW, far below receive management message frame, control message frame and Data frame.

In the above-mentioned technical solutions, it is preferable that when the first indicating bit is the first value, the value of the second indicating bit is used to indicate station Whether point device, which enters battery saving mode or wait, enters battery saving mode, specifically includes: being in the first indicating bit and the second indicating bit When the first value, determine that caching downlink data frame is that last frame caches downlink data frame；The line number in the case where determining last frame caching After frame, the first confirmation message frame is generated and sent to access point apparatus；Access point apparatus is received in response to the first confirmation message The downlink control message frame that frame is sent, and enter battery saving mode.

In the technical scheme, it is the first value by the first indicating bit of setting and the second indicating bit, indicates site apparatus After feeding back the first confirmation message frame (ACK frame or Block ACK frame) can enter battery saving mode, for example, the first indicating bit and The power management field of frame control domain is respectively adopted in second indicating bit and more data fields refer to when the first value is set as " 0 " Show that caching downlink data to be sent is zero, and site apparatus can be directly entered battery saving mode.

Wherein, above-mentioned battery saving mode refers to that the principal communication interface of site apparatus enters dormant state, the secondary communication of website Interface enters WUR state, that is, is in WUR wake states or WUR periodicity wake states.

Wherein, the effect of the first confirmation message frame of generation includes:

First, confirm whether all downlink data frames for being cached in access point apparatus are completely received；

Second, WUR state will be entered to site apparatus and held consultation with access point apparatus, the first confirmation message frame is suitable In the request message frame for entering WUR state, it is carried out really there is still a need for access point apparatus (Access Point, AP) certainly Recognize, it is therefore an objective to the confirmation of WUR state can be entered to site apparatus.

It is worth especially set out, the difference of the first confirmation message frame and existing confirmation message frame is, existing confirmation disappears The value ceased in duration (duration) field of frame is set as 0, and the value one in the duration field in the first confirmation message frame Surely it is not configured to 0, purpose is exactly in order to protect the communication between subsequent site apparatus and access point apparatus, so that site apparatus WUR state can be can smoothly enter into, while identifying it also to make requests into WUR state.

In any of the above-described technical solution, it is preferable that the communication means of WLAN further include: the first confirmation disappears The power management field and more data fields for ceasing the frame of frame are disposed as the first value；By the frame of the first confirmation message frame The corresponding duration of time span field is set as the duration of the first confirmation message frame, the duration of downlink control message frame and default frame Between gap duration sum.

In the technical scheme, the power management field of frame control domain is respectively adopted in the first indicating bit and the second indicating bit With more data fields, when the first value is set as " 0 ", indicate that caching downlink data to be sent is zero, and site apparatus can be straight It taps into battery saving mode, in addition, the corresponding duration of time span field of the frame of the first confirmation message frame of setting is set as the The sum of the duration of one confirmation message frame, the duration of downlink control message frame and default interframe gap duration, expression formula are as follows:

Duration=T_ack1+SIFS+T₁,

Wherein, Duration identified time length field, T_ack1Identify the duration of the first confirmation message frame, SIFS (short Inter-frame space) identify default interframe gap duration, T₁Identify the duration of downlink control message frame, downlink control frame Confirmation message frame can also be used.

In addition, the power management field and more data fields in downlink control message frame are disposed as " 0 " and time Length field (Duration) is also configured as " 0 ".

In any of the above-described technical solution, it is preferable that when the first indicating bit is the first value, the value of the second indicating bit is used for Instruction site apparatus whether enter battery saving mode or wait enter battery saving mode, specifically further include: the first indicating bit be first Value and the second indicating bit be second value when, then wait into battery saving mode.

In the technical scheme, when the first indicating bit is the first value and the second indicating bit is second value, not directly into Enter battery saving mode, but waits and enter battery saving mode, namely there is still a need for interactive data frames to hold consultation to battery saving mode, with The generation for further reducing data collision, promotes the availability of frequency spectrum.

In any of the above-described technical solution, it is preferable that the communication means of WLAN further include: saved waiting entering After power mode, the second confirmation message frame is generated and sent to access point apparatus；Access point apparatus is received to disappear in response to the second confirmation Cease the wake request message frame that frame is sent；The corresponding response message frame that wakes up is sent to access point in response to wake request message frame Equipment, and enter battery saving mode.

In the technical scheme, it when site apparatus and access point apparatus are negotiated to enter battery saving mode, needs first to access Point device sends wake request message frame, and enters battery saving mode, this negotiation interaction side after receiving wake-up corresponding message Formula is more suitable for not supporting the secondary communication interface of periodical suspend mode, namely is being sequentially completed wake request message frame and wake-up After the negotiation of response message frame, principal communication interface enters dormant state, and secondary communication interface enters WUR mode namely secondary communication Interface keeps wake states, with real-time reception WUR frame.

In any of the above-described technical solution, it is preferable that the communication means of WLAN further include: the second confirmation disappears The power management field for ceasing the frame of frame is set as the first value；More data fields of the frame of second confirmation message frame are arranged For second value；The second confirmation message frame is set by the corresponding duration of time span field of the frame of the second confirmation message frame Duration, the duration of wake request message frame, the sum of the duration for waking up response message frame and two default interframe gap durations.

In the technical scheme, by setting the first value for power management field, the first value is set as " 0 ", for referring to Show that site apparatus can enter battery saving mode, still, more data fields are set as second value, and second value is set as " 1 ", mark Still caching downlink data is sent to site apparatus, and caching downlink data frame to be sent is to wake up respond request frame, Site apparatus enters battery saving mode after receiving wake-up respond request frame, wherein the expression formula of time span field is as follows:

Duration=T_ack2+2×SIFS+T₂+T₃,

Wherein, Duration identified time length field, T_ack2Identify the duration of the second confirmation message frame, SIFS (short Inter-frame space) identify default interframe gap duration, T₂Mark enters the duration of WUR status request message frame, T₃Mark Know the duration that response enters WUR status message frame.

In any of the above-described technical solution, it is preferable that the communication means of WLAN further include: response will be waken up and disappeared Power management field, more data fields and the time span field for ceasing the frame of frame are disposed as the first value.

In the technical scheme, the power management field and more data fields waken up in response message frame is disposed as " 0 " and time span field (Duration) are also configured as " 0 ".

The technical solution of the second aspect of the present invention, it is also proposed that a kind of communication means of WLAN, comprising: generate Last frame caches downlink data frame, and it includes the first indicating bit and the second indicating bit that last frame, which caches downlink data frame,；It will most A later frame downlink data frame is sent to site apparatus, to indicate that site apparatus enters province according to the first indicating bit and the second indicating bit Power mode is waited into battery saving mode.

In the technical scheme, downlink data frame is cached by generating last frame, last frame caches downlink data frame Comprising the first indicating bit and the second indicating bit, enters battery saving mode to indicate that site apparatus enters battery saving mode or waits, reduce The generation of data collision, wherein when first indicating bit is the first value, site apparatus is determined as last frame caching downlink data Frame, and continue to determine whether to be directly entered battery saving mode according to the second indicating bit or wait to enter battery saving mode.

(1) principal communication interface is in doze (suspend mode) state；

In any of the above-described technical solution, it is preferable that the communication means of WLAN further include: by the first indicating bit Be disposed as the first value with the second indicating bit, and receiving station equipment in response to last frame downlink data frame send first really Recognize message frame；Downlink control message frame is sent in response to the first confirmation message frame, to indicate that site apparatus enters battery saving mode.

In any of the above-described technical solution, it is preferable that the communication means of WLAN further include: downlink control disappears Power management field, more data fields and the time span field for ceasing the frame of frame are disposed as the first value.

In the technical scheme, the power management field in downlink control message frame and more data fields are disposed as " 0 " and time span field (Duration) are also configured as " 0 ", after indicating that site apparatus receives downlink control message frame Immediately enter battery saving mode.

In any of the above-described technical solution, it is preferable that the communication means of WLAN further include: by the first indicating bit It is set as the first value and the second indicating bit is set as second value, enter battery saving mode to indicate that site apparatus waits；Receiving station The second confirmation message frame that equipment is sent in response to last frame downlink data frame；It sends and wakes up in response to the second confirmation message frame Request message frame, to indicate that site apparatus enters battery saving mode.

In the technical scheme, when the first indicating bit is the first value and the second indicating bit is second value, instruction website is set It is standby not directly into battery saving mode, but wait and enter battery saving mode, namely there is still a need for interactive data frames to power saving mould Formula is held consultation, and further to reduce the generation of data collision, promotes the availability of frequency spectrum.

When site apparatus and access point apparatus are negotiated to enter battery saving mode, needs first to send to wake up to access point apparatus and ask Message frame is sought, and enters battery saving mode after receiving wake-up corresponding message, this negotiation interactive mode is more suitable for not supporting The secondary communication interface of periodical suspend mode, namely be sequentially completed wake request message frame and waking up the negotiation of response message frame Afterwards, principal communication interface enters dormant state, and secondary communication interface enters WUR mode namely secondary communication interface keeps wake states, With real-time reception WUR frame.

Wherein, the second confirmation message frame can be ACK frame or Block ACK frame.

In any of the above-described technical solution, it is preferable that the communication means of WLAN further include: wake request message The power management field of the frame of frame, more data fields and time span field are disposed as the first value.

In the technical scheme, the power management field in wake request message frame and more data fields are disposed as " 0 " and time span field (Duration) are also configured as " 0 ".

In any of the above-described technical solution, it is preferable that the first indicating bit is the power supply for caching the frame of downlink data frame Management fields, the second indicating bit are the more data fields for caching the frame of downlink data frame.

The technical solution of the third aspect of the present invention provides a kind of communication device of WLAN, comprising: communication unit Member, for receiving caching downlink data frame, caching downlink data frame includes the first indicating bit and the second indicating bit, the first indicating bit When for the first value, the value of the second indicating bit, which is used to indicate site apparatus and whether enters battery saving mode or wait, enters battery saving mode.

(1) principal communication interface is in doze (suspend mode) state；

In the above-mentioned technical solutions, it is preferable that communication unit is also used to: being first in the first indicating bit and the second indicating bit When value, determine that caching downlink data frame is that last frame caches downlink data frame；Communication unit is also used to: determining last frame After caching downlink data frame, the first confirmation message frame is generated and sent to access point apparatus；Communication unit is also used to: receiving access The downlink control message frame that point device is sent in response to the first confirmation message frame, and enter battery saving mode.

In any of the above-described technical solution, it is preferable that the communication device of WLAN further include: setting unit is used In the power management field of the frame of the first confirmation message frame and more data fields are disposed as the first value；Setting unit is also For: by the corresponding duration of time span field of the frame of the first confirmation message frame be set as the first confirmation message frame when Long, the duration of downlink control message frame and default interframe gap duration sum.

Duration=T_ack1+SIFS+T₁,

In any of the above-described technical solution, it is preferable that communication unit is also used to: being the first value and the in the first indicating bit When two indicating bits are second value, then wait into battery saving mode.

In any of the above-described technical solution, it is preferable that communication unit is also used to: raw after waiting into battery saving mode At and send the second confirmation message frame to access point apparatus；Communication unit is also used to: it is true in response to second to receive access point apparatus Recognize the wake request message frame of message frame transmission；Communication unit is also used to: being called out accordingly in response to the transmission of wake request message frame Response message frame of waking up enters battery saving mode to access point apparatus.

In any of the above-described technical solution, it is preferable that setting unit is also used to: by the frame of the second confirmation message frame Power management field is set as the first value；Setting unit is also used to: by more data fields of the frame of the second confirmation message frame It is set as second value；Setting unit is also used to: the corresponding duration of time span field of the frame of the second confirmation message frame is set It is default to be set to the duration of the second confirmation message frame, the duration of wake request message frame, the duration for waking up response message frame and two The sum of interframe gap duration.

Duration=T_ack2+2×SIFS+T₂+T₃,

In any of the above-described technical solution, it is preferable that setting unit is also used to: the frame of response message frame will be waken up Power management field, more data fields and time span field are disposed as the first value.

The technical solution of the fourth aspect of the present invention, it is also proposed that a kind of communication device of WLAN, comprising: generate Unit, for generating last frame caching downlink data frame, it includes the first indicating bit and that last frame, which caches downlink data frame, Two indicating bits；Communication unit, for last frame downlink data frame to be sent to site apparatus, to indicate site apparatus according to One indicating bit and the second indicating bit, which enter battery saving mode or wait, enters battery saving mode.

(1) principal communication interface is in doze (suspend mode) state；

In any of the above-described technical solution, it is preferable that the communication device of WLAN further include: setting unit is used In the first indicating bit and the second indicating bit are disposed as the first value, and receiving station equipment is in response to last frame downlink data The first confirmation message frame that frame is sent；Communication unit is also used to: downlink control message frame is sent in response to the first confirmation message frame, To indicate that site apparatus enters battery saving mode.

In any of the above-described technical solution, it is preferable that setting unit is also used to: by the frame of downlink control message frame Power management field, more data fields and time span field are disposed as the first value.

In any of the above-described technical solution, it is preferable that setting unit is also used to: setting the first value for the first indicating bit And second indicating bit be set as second value, with indicate site apparatus wait enter battery saving mode；Communication unit is also used to: receiving station The second confirmation message frame that point device is sent in response to last frame downlink data frame；Communication unit is also used to: in response to second Confirmation message frame sends wake request message frame, to indicate that site apparatus enters battery saving mode.

In any of the above-described technical solution, it is preferable that setting unit is also used to: the electricity of the frame of wake request message frame Source control field, more data fields and time span field are disposed as the first value.

The technical solution of the fifth aspect of the present invention, it is also proposed that a kind of site apparatus, including such as any of the above-described technology The communication device of WLAN described in scheme.

The technical solution of the sixth aspect of the present invention, it is also proposed that a kind of access point apparatus, including such as any of the above-described skill The communication device of WLAN described in art scheme.

Additional aspect and advantage of the invention will provide in following description section, will partially become from the following description Obviously, or practice through the invention is recognized.

Detailed description of the invention

Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:

Fig. 1 shows the schematic flow diagram of the communication means of WLAN according to an embodiment of the invention；

Fig. 2 shows the schematic flow diagrams of the communication means of WLAN according to another embodiment of the invention；

Fig. 3 shows the schematic block diagram of the communication device of WLAN according to an embodiment of the invention；

Fig. 4 shows the schematic block diagram of the communication device of WLAN according to another embodiment of the invention；

Fig. 5 shows the schematic block diagram of site apparatus according to an embodiment of the invention；

Fig. 6 shows the schematic block diagram of access point apparatus according to an embodiment of the invention；

Fig. 7 shows the data interaction schematic diagram of communication equipment according to an embodiment of the invention；

Fig. 8 shows the data interaction schematic diagram of communication equipment according to another embodiment of the invention.

Specific embodiment

To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application Feature in example and embodiment can be combined with each other.

In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below Specific embodiment limitation.

Fig. 1 shows the schematic flow diagram of the communication means of WLAN according to an embodiment of the invention.

As shown in Figure 1, the communication means of WLAN according to an embodiment of the invention, comprising: step S02, Caching downlink data frame is received, caching downlink data frame includes the first indicating bit and the second indicating bit, and the first indicating bit is first When value, the value of the second indicating bit is used to indicate whether site apparatus enters battery saving mode or wait into battery saving mode.

(1) principal communication interface is in doze (suspend mode) state；

Duration=T_ack1+SIFS+T₁,

Duration=T_ack2+2×SIFS+T₂+T₃,

Fig. 2 shows the schematic flow diagrams of the communication means of WLAN according to another embodiment of the invention.

As shown in Fig. 2, the communication means of WLAN according to another embodiment of the invention, comprising: step S202 generates last frame and caches downlink data frame, and it includes that the first indicating bit and second refer to that last frame, which caches downlink data frame, Show position；Last frame downlink data frame is sent to site apparatus by step S204, to indicate site apparatus according to the first indicating bit Enter battery saving mode with the second indicating bit or wait and enters battery saving mode.

(1) principal communication interface is in doze (suspend mode) state；

Fig. 3 shows the schematic block diagram of the communication device of WLAN according to an embodiment of the invention.

As shown in figure 3, the communication device 300 of WLAN according to an embodiment of the invention, comprising: communication unit Member 302, for receiving caching downlink data frame, caching downlink data frame includes the first indicating bit and the second indicating bit, and first refers to When showing that position is the first value, the value of the second indicating bit is used to indicate whether site apparatus enters battery saving mode or wait into power saving mould Formula.

(1) principal communication interface is in doze (suspend mode) state；

In the above-mentioned technical solutions, it is preferable that communication unit 302 is also used to: being in the first indicating bit and the second indicating bit When the first value, determine that caching downlink data frame is that last frame caches downlink data frame；Communication unit 302 is also used to: in determination After last frame caches downlink data frame, the first confirmation message frame is generated and sent to access point apparatus；Communication unit 302 is also used In: the downlink control message frame that reception access point apparatus is sent in response to the first confirmation message frame, and enter battery saving mode.

In any of the above-described technical solution, it is preferable that the communication device of WLAN further include: setting unit 304, For the power management field of the frame of the first confirmation message frame and more data fields to be disposed as the first value；Setting unit 304 are also used to: setting the first confirmation message frame for the corresponding duration of time span field of the frame of the first confirmation message frame Duration, the sum of the duration of downlink control message frame and default interframe gap duration.

Duration=T_ack1+SIFS+T₁,

In any of the above-described technical solution, it is preferable that communication unit 302 is also used to: being the first value in the first indicating bit And second indicating bit be second value when, then wait into battery saving mode.

In any of the above-described technical solution, it is preferable that communication unit 302 is also used to: after waiting into battery saving mode, The second confirmation message frame is generated and sent to access point apparatus；Communication unit 302 is also used to: receiving access point apparatus in response to the The wake request message frame that two confirmation message frames are sent；Communication unit 302 is also used to: sending phase in response to wake request message frame The wake-up response message frame answered enters battery saving mode to access point apparatus.

In any of the above-described technical solution, it is preferable that setting unit 304 is also used to: by the frame of the second confirmation message frame The power management field of body is set as the first value；Setting unit 304 is also used to: by the most of the frame of the second confirmation message frame Second value is set as according to field；Setting unit 304 is also used to: the time span field of the frame of the second confirmation message frame is corresponding Duration be set as the duration of the second confirmation message frame, the duration of wake request message frame, wake up response message frame duration and The sum of two default interframe gap durations.

Duration=T_ack2+2×SIFS+T₂+T₃,

In any of the above-described technical solution, it is preferable that setting unit 304 is also used to: the frame of response message frame will be waken up The power management field of body, more data fields and time span field are disposed as the first value.

It is worth it is emphasized that the communication device 300 of above-mentioned WLAN can be compatible with or be integrated in has Mobile phone, tablet computer, music player, navigation device and router of Wi-Fi communication module etc..

Specifically, above-mentioned communication unit 302 is compatible with or is connected to the antenna of the communication device 300 of above-mentioned WLAN With carrier modulation block etc., meanwhile, above-mentioned setting unit 304 is compatible with or is connected to the communication device of above-mentioned WLAN 300 processor (CPU), controller (MCU), embedded microcontroller chip and baseband processor etc..

Fig. 4 shows the schematic block diagram of the communication device of WLAN according to another embodiment of the invention.

As shown in figure 4, the communication device 400 of WLAN according to another embodiment of the invention, comprising: generate Unit 402, for generate last frame caching downlink data frame, last frame cache downlink data frame include the first indicating bit and Second indicating bit；Communication unit 404, for last frame downlink data frame to be sent to site apparatus, to indicate site apparatus Enter battery saving mode according to the first indicating bit and the second indicating bit or wait and enters battery saving mode.

(1) principal communication interface is in doze (suspend mode) state；

In any of the above-described technical solution, it is preferable that the communication device of WLAN further include: setting unit 406, For the first indicating bit and the second indicating bit to be disposed as the first value, and receiving station equipment is in response to line number under last frame The the first confirmation message frame sent according to frame；Communication unit 404 is also used to: being sent downlink control in response to the first confirmation message frame and is disappeared Frame is ceased, to indicate that site apparatus enters battery saving mode.

In any of the above-described technical solution, it is preferable that setting unit 406 is also used to: by the frame of downlink control message frame The power management field of body, more data fields and time span field are disposed as the first value.

In any of the above-described technical solution, it is preferable that setting unit 406 is also used to: setting for the first indicating bit One value and the second indicating bit is set as second value enters battery saving mode to indicate that site apparatus waits；Communication unit 404 is also used In: the second confirmation message frame that receiving station equipment is sent in response to last frame downlink data frame；Communication unit 404 is also used In: wake request message frame is sent in response to the second confirmation message frame, to indicate that site apparatus enters battery saving mode.

In any of the above-described technical solution, it is preferable that setting unit 406 is also used to: the frame of wake request message frame Power management field, more data fields and time span field be disposed as the first value.

It is worth it is emphasized that the communication device 400 of above-mentioned WLAN can be compatible with or be integrated in has Mobile phone, tablet computer, music player, navigation device and router of Wi-Fi communication module etc., can be access point apparatus Or site apparatus.

Specifically, above-mentioned communication unit 404 is compatible with or is connected to the antenna of the communication device 400 of above-mentioned WLAN With carrier modulation block etc., meanwhile, above-mentioned generation unit 402 and setting unit 406 are compatible with or are connected to above-mentioned wireless local area Processor (CPU), controller (MCU), embedded microcontroller chip and baseband processor of the communication device 400 of net etc..

Fig. 5 shows the schematic block diagram of site apparatus according to an embodiment of the invention.

As shown in figure 5, site apparatus 500 according to an embodiment of the invention, including such as any of the above-described technical side The communication device 300 of WLAN described in case.

Fig. 6 shows the schematic block diagram of access point apparatus according to an embodiment of the invention.

As shown in fig. 6, access point apparatus 600 according to an embodiment of the invention, including such as any of the above-described technology The communication device 400 of WLAN described in scheme.

It is worth it is emphasized that the communication device 200 of above-mentioned WLAN can be compatible with or be integrated in has Mobile phone, tablet computer, music player, navigation device and router of Wi-Fi communication module etc., can be access point apparatus Or site apparatus.

Specifically, above-mentioned communication unit 202 is compatible with or is connected to the antenna of the communication device 200 of above-mentioned WLAN With carrier modulation block etc., meanwhile, it is also compatible in or is connected to the processor of the communication device 200 of above-mentioned WLAN (CPU), controller (MCU), embedded microcontroller chip and baseband processor etc..

Below with reference to Fig. 7 and Fig. 8, have to multiple embodiments of the communication plan of WLAN according to the present invention Body explanation, wherein access point apparatus 600 indicates that site apparatus 500 enters sleep procedure, and site apparatus 500 connects including principal communication Mouth and time communication interface.

Embodiment one:

Fig. 7 shows the data interaction schematic diagram of communication equipment according to an embodiment of the invention.

As shown in fig. 7, the data exchange process of communication equipment according to an embodiment of the invention includes:

(1) access point apparatus 600 sends last frame to site apparatus 500 and caches downlink data frame, power management word Section PM and more data field MD is disposed as " 0 ", and still, time span field Duration is not configured to " 0 ", and specially the The sum of the duration of one confirmation message frame, the duration of downlink control message frame and default interframe gap duration SIFS.

(2) site apparatus 500 feed back the first confirmation message frame, can be ACK frame or Block ACK frame, similarly, Duration is not configured to " 0 ".

(3) 600 feeding back downlink control message frame of access point apparatus can be ACK frame or Block ACK frame, power supply pipe Reason field PM and more data field MD is disposed as " 0 ", it is notable that Duration is set as " 0 ", site apparatus 500 enter battery saving mode, i.e. principal communication interface enters suspend mode by revival, and secondary communication interface enters preset mode by revival, preset Mode includes wake states or periodical resting state.

As shown in figure 8, the data exchange process of communication equipment according to another embodiment of the invention includes:

(1) access point apparatus 600 sends last frame to site apparatus 500 and caches downlink data frame, power management word Section PM is set as " 0 ", and more data field MD are set as " 1 ", and still, time span field Duration is not configured to " 0 ", tool Body is that the duration of the second confirmation message frame, the duration of wake request message frame, the duration for waking up response message frame and two are default The sum of interframe gap duration SIFS.

(2) site apparatus 500 feed back the second confirmation message frame, can be ACK frame or Block ACK frame, similarly, Duration is not configured to " 0 ".

(3) access point apparatus 600 feeds back WUR Request (wake request message) frame, power management field PM and more More data field MD are disposed as " 0 ", it is notable that Duration is set as " 0 ".

(4) site apparatus 500 feeds back WUR Response (wake up response message) frame, power management field PM and more Data field MD is disposed as " 0 ", it is notable that Duration is set as " 0 ", and mark site apparatus 500 enters power saving Mode, i.e. principal communication interface enter suspend mode by revival, and secondary communication interface keeps revival (i.e. WUR state).

The technical scheme of the present invention has been explained in detail above with reference to the attached drawings, and the invention proposes a kind of the logical of WLAN Method, apparatus and communication equipment are believed, by defining the first indicating bit and the second indicating bit in caching downlink data frame, to indicate Site apparatus, which enters battery saving mode or waits, enters battery saving mode, reduces the generation of data collision, wherein the first indicating bit is When the first value, site apparatus is determined as last frame caching downlink data frame, and continues to be determined whether directly according to the second indicating bit It taps into battery saving mode or waits into battery saving mode, reduce the power consumption of site apparatus, improve the availability of frequency spectrum and data Handling capacity.

Step in the method for the present invention can be sequentially adjusted, combined, and deleted according to actual needs.

Unit in apparatus of the present invention can be combined, divided, and deleted according to actual needs.

Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage Medium include read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), programmable read only memory (Programmable Read-only Memory, PROM), erasable programmable is read-only deposits Reservoir (Erasable Programmable Read Only Memory, EPROM), disposable programmable read-only memory (One- Time Programmable Read-Only Memory, OTPROM), the electronics formula of erasing can make carbon copies read-only memory (Electrically-Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact Disc Read-Only Memory, CD-ROM) or other disc memories, magnetic disk storage, magnetic tape storage or can For carrying or any other computer-readable medium of storing data.

The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims

1. a kind of communication means of WLAN is suitable for site apparatus, which is characterized in that the communication of the WLAN Method includes:

Receive caching downlink data frame, the caching downlink data frame include the first indicating bit and the second indicating bit, described first When indicating bit is the first value, the value of second indicating bit is used to indicate whether the site apparatus enters battery saving mode or waiting Into the battery saving mode.

2. the communication means of WLAN according to claim 1, which is characterized in that first indicating bit is first When value, the value of second indicating bit is used to indicate whether the site apparatus enters battery saving mode or wait into the power saving Mode specifically includes:

When first indicating bit and second indicating bit are first value, determine that the caching downlink data frame is most Latter frame buffer downlink data frame；

After determining the last frame caching downlink data frame, the first confirmation message frame is generated and sent to access point apparatus；

The downlink control message frame that described access point equipment is sent in response to the first confirmation message frame is received, and described in entrance Battery saving mode.

3. the communication means of WLAN according to claim 2, which is characterized in that further include:

The power management field of the frame of the first confirmation message frame and more data fields are disposed as first value；

First confirmation message is set by the corresponding duration of time span field of the frame of the first confirmation message frame The sum of the duration of frame, the duration of the downlink control message frame and default interframe gap duration.

4. the communication means of WLAN according to claim 1, which is characterized in that first indicating bit is first When value, the value of second indicating bit is used to indicate whether the site apparatus enters battery saving mode or wait into the power saving Mode, specifically further include:

When first indicating bit is first value and second indicating bit is second value, then wait into the power saving Mode.

5. the communication means of WLAN according to claim 4, which is characterized in that further include:

After waiting into the battery saving mode, the second confirmation message frame is generated and sent to access point apparatus；

Receive the wake request message frame that described access point equipment is sent in response to the second confirmation message frame；

In response to the corresponding wake-up response message frame of wake request message frame transmission to described access point equipment, and enter institute State battery saving mode.

6. the communication means of WLAN according to claim 5, which is characterized in that further include:

First value is set by the power management field of the frame of the second confirmation message frame；

The second value is set by more data fields of the frame of the second confirmation message frame；

Second confirmation message is set by the corresponding duration of time span field of the frame of the second confirmation message frame The duration of frame, the duration of the wake request message frame, the duration and two default interframe gaps for waking up response message frame The sum of duration.

7. the communication means of WLAN according to claim 5, which is characterized in that further include:

Power management field, more data fields and the time span field of the frame for waking up response message frame are respectively provided with For first value.

8. a kind of communication means of WLAN is suitable for access point apparatus, which is characterized in that the WLAN leads to Letter method includes:

It generates last frame and caches downlink data frame, the last frame caching downlink data frame includes the first indicating bit and second Indicating bit；

The last frame downlink data frame is sent to site apparatus, to indicate site apparatus according to the first indicating bit and second Indicating bit, which enters battery saving mode or waits, enters the battery saving mode.

9. the communication means of WLAN according to claim 8, which is characterized in that further include:

First indicating bit and second indicating bit are disposed as the first value, and receive the site apparatus in response to institute State the first confirmation message frame of last frame downlink data frame transmission；

Downlink control message frame is sent in response to the first confirmation message frame, to indicate that the site apparatus enters the power saving Mode.

10. the communication means of WLAN according to claim 9, which is characterized in that further include:

The power management field of the frame of the downlink control message frame, more data fields and time span field are respectively provided with For first value.

11. the communication means of WLAN according to claim 9, which is characterized in that further include:

The first value is set by first indicating bit and second indicating bit is set as second value, to indicate that the website is set Standby wait enters the battery saving mode；

Receive the second confirmation message frame that the site apparatus is sent in response to the last frame downlink data frame；

Wake request message frame is sent in response to the second confirmation message frame, to indicate that the site apparatus enters the power saving Mode.

12. the communication means of WLAN according to claim 11, which is characterized in that further include:

Power management field, more data fields and the time span field of the frame of the wake request message frame are disposed as First value.

13. the communication means of WLAN according to any one of claim 1 to 12, which is characterized in that

First indicating bit is the power management field of the frame of the caching downlink data frame, and second indicating bit is institute State more data fields of the frame of caching downlink data frame.

14. a kind of communication device of WLAN is suitable for site apparatus, which is characterized in that the WLAN leads to T unit includes:

Communication unit, for receiving caching downlink data frame, the caching downlink data frame includes that the first indicating bit and second refer to Show position,

When first indicating bit is the first value, the value of second indicating bit is used to indicate whether the site apparatus enters province Power mode is waited into the battery saving mode.

15. the communication device of WLAN according to claim 14, which is characterized in that

The communication unit is also used to: when first indicating bit and second indicating bit are first value, determining institute Stating caching downlink data frame is that last frame caches downlink data frame；

The communication unit is also used to: after determining the last frame caching downlink data frame, generating and sending the first confirmation Message frame is to access point apparatus；

The communication unit is also used to: receiving the downlink control that described access point equipment is sent in response to the first confirmation message frame Message frame processed, and enter the battery saving mode.

16. the communication device of WLAN according to claim 15, which is characterized in that further include:

Setting unit, for the power management field of the frame of the first confirmation message frame and more data fields to be respectively provided with For first value；

The setting unit is also used to: the corresponding duration of the time span field of the frame of the first confirmation message frame is arranged For the duration of the first confirmation message frame, the sum of the duration of the downlink control message frame and default interframe gap duration.

17. the communication device of WLAN according to claim 14, which is characterized in that

The communication unit is also used to: in first indicating bit be first value and second indicating bit is second value When, then it waits into the battery saving mode.

18. the communication device of WLAN according to claim 17, which is characterized in that

The communication unit is also used to: after waiting and entering the battery saving mode, generating and sending the second confirmation message frame to connecing Enter point device；

The communication unit is also used to: being received the wake-up that described access point equipment is sent in response to the second confirmation message frame and is asked Seek message frame；

The communication unit is also used to: sending the corresponding response message frame that wakes up to access in response to the wake request message frame Point device, and enter the battery saving mode.

19. the communication device of WLAN according to claim 17, which is characterized in that

The setting unit is also used to: setting described first for the power management field of the frame of the second confirmation message frame Value；

The setting unit is also used to: setting described second for more data fields of the frame of the second confirmation message frame Value；

The setting unit is also used to: the corresponding duration of the time span field of the frame of the second confirmation message frame is arranged For the duration of the second confirmation message frame, the duration of the wake request message frame, the duration for waking up response message frame With the sum of two default interframe gap durations.

20. the communication device of WLAN according to claim 18, which is characterized in that

The setting unit is also used to: by the power management field of the frame for waking up response message frame, more data fields First value is disposed as with time span field.

21. a kind of communication device of WLAN is suitable for access point apparatus, which is characterized in that the WLAN Communication device includes:

Generation unit, for generating last frame caching downlink data frame, last frame caching downlink data frame includes the One indicating bit and the second indicating bit；

Communication unit, for the last frame downlink data frame to be sent to site apparatus, to indicate site apparatus according to One indicating bit and the second indicating bit, which enter battery saving mode or wait, enters the battery saving mode.

22. the communication device of WLAN according to claim 21, which is characterized in that further include:

Setting unit for first indicating bit and second indicating bit to be disposed as the first value, and receives the station The first confirmation message frame that point device is sent in response to the last frame downlink data frame；

The communication unit is also used to: downlink control message frame is sent in response to the first confirmation message frame, described in instruction Site apparatus enters the battery saving mode.

23. the communication device of WLAN according to claim 22, which is characterized in that

The setting unit is also used to: by the power management field of the frame of the downlink control message frame, more data fields First value is disposed as with time span field.

24. the communication device of WLAN according to claim 22, which is characterized in that

The setting unit is also used to: setting the first value for first indicating bit and second indicating bit is set as second Value enters the battery saving mode to indicate that the site apparatus waits；

The communication unit is also used to: receiving the site apparatus is sent in response to the last frame downlink data frame second Confirmation message frame；

The communication unit is also used to: wake request message frame is sent in response to the second confirmation message frame, described in instruction Site apparatus enters the battery saving mode.

25. the communication device of WLAN according to claim 24, which is characterized in that

The setting unit is also used to: the power management field of the frame of the wake request message frame, more data fields and Time span field is disposed as first value.

26. the communication device of WLAN described in any one of 4 to 25 according to claim 1, which is characterized in that

27. a kind of site apparatus characterized by comprising

The communication device of WLAN as described in any one of claim 14 to 20.

28. a kind of access point apparatus characterized by comprising

The communication device of WLAN as described in any one of claim 21 to 26.