CN103369550A - Communication system and communication method of target station and query station - Google Patents

Communication system and communication method of target station and query station Download PDF

Info

Publication number
CN103369550A
CN103369550A CN2012100826281A CN201210082628A CN103369550A CN 103369550 A CN103369550 A CN 103369550A CN 2012100826281 A CN2012100826281 A CN 2012100826281A CN 201210082628 A CN201210082628 A CN 201210082628A CN 103369550 A CN103369550 A CN 103369550A
Authority
CN
China
Prior art keywords
targeted sites
beacon frame
information
working channel
time information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2012100826281A
Other languages
Chinese (zh)
Other versions
CN103369550B (en
Inventor
黄开缔
王学寰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honor Device Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN201210082628.1A priority Critical patent/CN103369550B/en
Priority to PCT/CN2013/071060 priority patent/WO2013143356A1/en
Publication of CN103369550A publication Critical patent/CN103369550A/en
Application granted granted Critical
Publication of CN103369550B publication Critical patent/CN103369550B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention is applicable to the technical field of communication, and provides a communication method and a device of a target station, a communication method and a device of a query station, and a communication system of the target station and the query station. The communication method of the target station comprises steps of: sending a beacon frame via the target station, wherein the beacon frame comprises work time information of the target station; monitoring a working channel via the target station at a preset moment assigned by the work time information. According to the invention, the work time information of monitoring working channels by the target station is increased on the basis of a conventional beacon frame so as to initiate communication to the target station in a time segment when the target station monitors the working channel after the beacon frame is monitored by the target station. In this way, there is no need for the target station to monitor the working channel all the time, and the target station just needs to monitor the working channels at a preset moment, so as to improve monitoring efficiency of the target station and save energy.

Description

A kind of targeted sites, inquiry website, communication system and the means of communication
Technical field
The invention belongs to communication technique field, relate in particular to a kind of targeted sites, inquiry website, communication system and the means of communication.
Background technology
WLAN (Wireless Local Area Networks, WLAN (wireless local area network)) element is BSS (Basic Service Set, Basic Service Set), BSS is by in a certain particular coverage, have certain related STA (Station, website) and form, the central location that has full-time administrative BSS in the BSS network is called as AP (Access point, and other website in this network all is associated with it access point).A plurality of BSS networks are by DS (Distribution System in addition, compartment system) interconnects and to form ESS (Express Service Set, extended service set), if lack AP in the BSS network, also can ad-hoc network and mutually direct communication between website, this BSS network is called IBSS (Independent Basic Service Set, independent basic service set).For so that in the network each website at the pre-connection state, in the low-power consumption situation, not by access website (such as AP) can be directly mutual obtaining information, a NAN (Neighbor Awareness Network has been proposed for this reason, the proximity identification network) project, in this project, before certain website in the network (being called the inquiry website) and other websites (the being called targeted sites) communication, the inquiry website need to know there is which targeted sites in the network, usually send the existence that discovery mechanism is known targeted sites by beacon frame, beacon frame is a kind of management frames, in network, be used for to coordinate targeted sites and synchronous between website on every side, the inside comprises some sequential and radio network information, targeted sites is in the working channel of oneself, take random time as starting point, (span 20ms is to 1000ms according to certain beacon frame cycle, preset value is 100ms) the transmission beacon frame, the inquiry website is monitored beacon frame, can exist by the assertive goal website after receiving beacon frame, and can be as required to the targeted sites initiating communication.But in the existing beacon frame transmission technology, after targeted sites sent beacon frame, unclear inquiry website when can be to own initiating communication,
Summary of the invention
The embodiment of the invention provides a kind of means of communication of targeted sites, sends and needs all the period of time monitor channel and the monitoring inefficiency that causes, not energy-conservation technical problem behind the beacon frame in order to solve in the existing beacon frame transmission technology targeted sites.
The embodiment of the invention provides a kind of means of communication of targeted sites, and described method comprises the steps:
Targeted sites sends beacon frame, and described beacon frame comprises the operating time information of targeted sites;
Targeted sites is monitored working channel described operating time information appointment at predetermined instant.
The embodiment of the invention provides a kind of means of communication of inquiring about website, and described method comprises the steps:
The inquiry website is monitored the beacon frame that targeted sites sends at its working channel, and described beacon frame comprises the operating time information of targeted sites.
The inquiry website is according to described operating time information, to the targeted sites initiating communication.
The embodiment of the invention provides a kind of targeted sites, and described targeted sites comprises:
The beacon frame transmitting element is used for targeted sites and sends beacon frame, and described beacon frame comprises the operating time information of targeted sites;
The channel-monitoring unit is used for targeted sites and monitors working channel in described operating time information appointment at predetermined instant.
The embodiment of the invention provides a kind of inquiry website, and described inquiry website comprises:
The beacon frame monitoring unit is used for the inquiry website and monitors the beacon frame that targeted sites sends at its working channel, and described beacon frame comprises the operating time information of targeted sites.
The communication connection unit is used for the inquiry website according to described operating time information, to the targeted sites initiating communication.
The embodiment of the invention provides the communication system between a kind of targeted sites and inquiry website, and described system wraps targeted sites and the inquiry website of stating.
As shown from the above technical solution, the embodiment of the invention increases the operating time information that relevant targeted sites is monitored working channel by the basis at existing beacon frame, after the inquiry website listens to beacon frame like this, according to the operating time information that comprises in the beacon frame, in targeted sites is in the time period of monitoring working channel, to the targeted sites initiating communication.Targeted sites need not all the period of time and monitors working channel like this, only enters in the predetermined moment to begin to monitor working channel and get final product, and monitors like this efficient height, relative energy-saving.
Description of drawings
Fig. 1 is the targeted sites means of communication flow chart that first embodiment of the invention provides;
Fig. 2 is the inquiry website means of communication flow chart that second embodiment of the invention provides;
Fig. 3 is the block diagram of the targeted sites that provides of third embodiment of the invention;
Fig. 4 is the block diagram of the inquiry website that provides of fourth embodiment of the invention;
Fig. 5 is the structural representation of the thriteenth embodiment of the invention targeted sites that provides and the communication system of inquiring about website.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
In the existing beacon frame transmission technology, because targeted sites can't be known the inquiry website to the concrete moment of own initiating communication, therefore, targeted sites is within the time period that sends between two beacon frames, need all the period of time monitor channel, like this since targeted sites to receive the time of inquiry website initiating communication indefinite and very short, existing all the period of time the efficient of monitor channel very low, not energy-conservation.
In order to solve the problems of the technologies described above, describe technical scheme of the present invention below by specific embodiment.
Embodiment one:
Fig. 1 shows the flow process of a kind of targeted sites means of communication that first embodiment of the invention provides, and only shows for convenience of explanation the part relevant with the embodiment of the invention.
Step S101, targeted sites sends beacon frame, and described beacon frame comprises the operating time information of targeted sites.
In the prior art, because do not comprise the operating time information of targeted sites in the beacon frame that targeted sites sends, targeted sites begins to monitor working channel until targeted sites sends next beacon frame after being sent beacon frame immediately, targeted sites is monitored inefficiency like this, and is energy-conservation not.In order when to begin to monitor working channel so that inquire about website understand target website, before realizing this step, need to determine the operating time information of targeted sites, it is the temporal information that targeted sites is monitored working channel, comprise when beginning to monitor working channel and last long etc., described operating time information is included in the beacon frame that targeted sites sends.In embodiments of the present invention, as preferably, described beacon frame comprises the transmission cycle information, and targeted sites sends beacon frame according to the described transmission cycle.In addition, need to prove that the mode of the described transmission beacon frame of the embodiment of the invention comprises, broadcast beacon frame, multicast beacon frame and clean culture beacon frame etc.
In embodiments of the present invention, described operating time information is the temporal information that targeted sites is monitored working channel, comprise that targeted sites begins to monitor the time information of working channel, and targeted sites is monitored the Duration Information of working channel, need to prove, if described Duration Information does not have an occurrence, so in the present embodiment, the duration that targeted sites is monitored working channel is default value, such as can be for half beacon frame transmission cycle etc.When specific implementation, described time information can adopt absolute time, beacon frame periodicity or the expression of beacon frame numbering, and described Duration Information can adopt absolute time or beacon frame periodicity to represent.Described absolute time refers to, the length of the time period of adopting is definite value, irrelevant with the transmission cycle of beacon frame, here be specially, it is definite value that targeted sites begins to monitor moment of working channel and the current transmission beacon frame time period between constantly, and targeted sites to monitor the length of the time period of working channel also be definite value; Described beacon frame periodicity refers to, time period length is relevant with the transmission cycle of beacon frame, several times for transmission cycle of beacon frame, here be specially, it is the several times that beacon frame sends the cycle that targeted sites begins to monitor moment of working channel and the current transmission beacon frame time period between constantly, and targeted sites to monitor the length of the time period of working channel also be the several times that beacon frame sends the cycle; Described beacon frame numbering refers to, according to the transmitting time order beacon frame is numbered, and the numbering that will obtain is to definite value N remainder, and when remainder was a preset value M, after sending this beacon frame, targeted sites began to monitor working channel immediately.Further, described operating time information comprises that also targeted sites periodically monitors the time cycle of working channel, shown that described operating time information is permanently effective, if do not comprise the described time cycle in the operating time information, the time information that so described targeted sites begins to monitor working channel just within the time period of expection effectively.Beacon frame for above-mentioned realization different schemes need to adopt different parameters, specifically needs which parameter to specifically describe in subsequent embodiment.
Further, described beacon frame also comprises the working channel information of targeted sites, and targeted sites sends beacon frame in the channel of its support, and the channel of described support can be one or several channel in the transmission channel, or all transmission channels.In communication network, each website can both dynamically change the working channel of oneself, but constantly only has a working channel at each, because existing beacon frame does not contain the working channel information of targeted sites, targeted sites can only send beacon frame in the work at present channel so, inquiry website in this channel can be as required to described targeted sites initiating communication, and the inquiry website that is positioned at other channels is just monitored less than described beacon frame message, if targeted sites sends beacon frame to other a plurality of channels simultaneously, because the inquiry website that is positioned at these channels is not known the working channel of targeted sites, therefore just can't to described targeted sites initiating communication, so just reduce targeted sites and be queried the probability that website is found.For this reason, in the present embodiment, beacon frame also comprises the working channel information of targeted sites, targeted sites sends beacon frame in a plurality of channels, the inquiry website that is positioned at other channels (non-described working channel) this moment just can get access to the working channel of targeted sites, when such inquiry website need to be to described targeted sites initiating communication, the channel of changing oneself gets final product to described working channel, described like this targeted sites just can by all inquiry station point discoveries, increase the found probability of targeted sites.Now enumerate a simple example for the ease of understanding, suppose that website can be operated in 1KHz, 2KHz, on the 3KHz frequency range, if targeted sites is operated on the working channel of 2KHz and to all channels and sends beacon frame, other frequency ranges (1KHz so, the 3KHz frequency range) the inquiry website on also can listen to this beacon frame, if the inquiry website on these frequency ranges need to described targeted sites communication, its working frequency range is adjusted to 2KHz, on the working channel of 2KHZ, get final product to the targeted sites initiating communication, this shows, targeted sites can be by 1KHz, 2KHz, inquiry station point discovery on the 3KHz frequency range has increased the found probability of targeted sites.
Step S102, targeted sites is monitored working channel in the moment of described operating time information appointment.
In this step, be in the time period information of monitoring working channel owing to determined targeted sites before, targeted sites only needs to begin to monitor working channel in the moment of job information appointment and gets final product, and the moment of described appointment is the moment point that the targeted sites that comprises in the operating time information begins to monitor working channel.Targeted sites can accept to come from the communication request of inquiring about website within the time period of monitoring working channel.In the present embodiment, by being set, idle timer come the record object website to monitor the duration of working channel, during specific implementation, can realize described idle timer by the free time of record channel clear time, record object website, when idle timer lost efficacy, Target Station finished to monitor.
Further, described beacon frame also comprises the transmission indicating bit, and described transmission indicating bit is used to indicate targeted sites and sends information frame.If this indicating bit is effective, when then targeted sites begins to monitor working channel, send information frame at its working channel, described information frame comprises link information and/or the information on services of targeted sites.When specific implementation, transmission indicating bit Broadcast Bit in the beacon frame is put 1, show that this indicating bit is effective, when targeted sites begins to monitor working channel, send information frame at its working channel, described beacon frame comprises link information and/or the information on services of targeted sites, described link information mainly be targeted sites with the inquiry website between relevant running parameter information when communicating, described information on services mainly is the certain content that targeted sites need to send, for example for the service goal website of a KFC, this targeted sites is when beginning to monitor working channel, can be chosen in and send the information on services that includes special price food in the working channel, the inquiry website has had further understanding to targeted sites.
Further, described beacon frame also comprises message transmission rate information, and targeted sites is all supported described message transmission rate with the inquiry website, and targeted sites is carried out data communication with this message transmission rate and inquiry website.If do not comprise message transmission rate information in the beacon frame, perhaps, targeted sites or inquiry website are not supported described message transmission rate, and then targeted sites is carried out data communication with the inquiry website with basic speed.
In embodiments of the present invention, owing to include operating time information in the beacon frame that targeted sites sends, this operating time information has comprised the relevant information of the operating time section of targeted sites monitoring working channel, targeted sites only needs to monitor working channel in the official hour section and gets final product, because need not all the period of time, targeted sites monitors working channel like this, therefore by technical solution of the present invention, greatly improved channel-monitoring efficient, but also relative energy-saving.
Embodiment two:
Fig. 2 shows a kind of flow process of inquiring about the website means of communication that second embodiment of the invention provides, and only shows for convenience of explanation the part relevant with the embodiment of the invention.
The described means of communication comprise the steps:
Step S201, the inquiry website is monitored the beacon frame that targeted sites sends at its working channel, and described beacon frame comprises the operating time information of targeted sites.
In embodiments of the present invention, each inquiry website has own working channel, inquires about website and monitors beacon frame at working channel separately, listens to behind the beacon frame its preservation.Usually the inquiry website can be monitored beacon frame by Event triggered or periodicity.Equally, the mode of the beacon frame of the described targeted sites transmission of the embodiment of the invention comprises broadcast beacon frame, multicast beacon frame and clean culture beacon frame etc.
Step S202, the inquiry website is according to described operating time information, to the targeted sites initiating communication.
In embodiments of the present invention, described beacon frame comprises the operating time information of targeted sites, it is the temporal information that targeted sites is monitored working channel, comprise when targeted sites begins monitoring work and last long etc., further, described operating time information comprises that also targeted sites periodically monitors the time cycle of working channel.The inquiry website need to communicate when being connected with targeted sites, according to described operating time information, in targeted sites is in the time period of monitoring working channel, gets final product to the targeted sites initiating communication.
Further, described beacon frame also comprises the working channel information of targeted sites, targeted sites can send beacon frame at the channel of its support, the channel of described support can be one or several channel in the transmission channel, or all transmission channels, the outer inquiry website of targeted sites working channel also can listen to this beacon frame, if these inquiry websites need to communicate when being connected with targeted sites, with oneself working channel to the working channel of adjusting to described targeted sites, so just can be in targeted sites be in the time period of monitoring working channel, at the working channel of targeted sites to the targeted sites initiating communication.
Need to prove, the prerequisite that realizes this step is that the inquiry website can be found targeted sites, but in actual conditions, the inquiry website may not found targeted sites, for example, owing to error of transmission occurs in the beacon frame process of transmitting, the operating time information that does not comprise targeted sites in the beacon frame that the inquiry website listens to, perhaps described operating time information is wrong, within the time period of operating time information appointment, targeted sites is not monitored its working channel, inquires about like this website and does not just find targeted sites; Perhaps, the operating time information of the targeted sites that comprises in the beacon frame is prepared to communicate when being connected out-of-dately with target at the inquiry website, and inquiring about website also just can't find targeted sites so at this moment.When running into these similar situations and cause inquiring about website and do not find targeted sites, as the embodiment of the invention preferred embodiment, described beacon frame comprises that targeted sites sends the transmission cycle information of beacon frame, the inquiry website is according to the delivery time of described transmission cycle information and current beacon frame, delivery time at next beacon frame, again monitor new beacon frame, if the inquiry website is not still found targeted sites, then again monitor new beacon frame until can find targeted sites.
Further, also comprise the transmission indicating bit in the beacon frame that described inquiry website listens to, when this indicating bit is effective, usually this indicating positions is 1, then inquiring about website need to communicate when being connected with targeted sites, working channel in targeted sites is monitored the information frame that targeted sites sends, and described information frame comprises link information and/or the information on services of targeted sites.Described link information relevant running parameter information when mainly to be targeted sites with the inquiry website communicate, such as the signal strength signal intensity of communication etc., described information on services mainly is the certain content that targeted sites need to send, for example for the service goal website of a KFC, this targeted sites can be chosen in and send the information on services that includes special price food in the working channel when beginning to monitor working channel.
Further, also comprise message transmission rate information in the beacon frame that described inquiry website listens to, described inquiry website and targeted sites are all supported described message transmission rate, the inquiry website carries out data communication with this message transmission rate and targeted sites, can pass through higher rate transmissioning data like this.If do not comprise described message transmission rate information in the beacon frame, perhaps, inquiry website or targeted sites are not supported described message transmission rate, then inquire about website and carry out data communication with basic speed and targeted sites.
In embodiments of the present invention, the inquiry website is monitored the beacon frame that targeted sites sends, include operating time information in the described beacon frame, this operating time information has comprised the relevant information of the operating time section of targeted sites monitoring working channel, when the inquiry website need to be to the targeted sites initiating communication, only need in targeted sites is in the operating time section of monitor channel, to get final product to its initiating communication, the inquiry website only needs at the appointed time section to the targeted sites initiating communication like this, and targeted sites need not all the period of time monitoring working channel, therefore pass through technical solution of the present invention, greatly improved channel-monitoring efficient, but also relative energy-saving.
Embodiment three:
Fig. 3 shows the block diagram of a kind of targeted sites that third embodiment of the invention provides, and only shows for convenience of explanation the part relevant with the embodiment of the invention.
A kind of targeted sites comprises:
Beacon frame transmitting element 301 is used for targeted sites and sends beacon frame, and described beacon frame comprises the operating time information of targeted sites;
Channel-monitoring unit 302 is used for targeted sites and begins to monitor working channel in the moment of described operating time information appointment.
In embodiments of the present invention, when existing targeted sites does not send connection request to oneself owing to know to inquire about website after sending beacon frame, therefore need all the period of time monitor channel, and this channel-monitoring mode efficient is low, energy-conservation not.And in the embodiment of the invention, at first need to determine the operating time information of targeted sites, described operating time information is included in the beacon frame of targeted sites transmission, described operating time information is that targeted sites is in the temporal information of monitoring working channel, comprise that targeted sites begins to monitor the time information of working channel, and targeted sites is monitored the Duration Information of working channel, need to prove, if described Duration Information does not have an occurrence, so in the present embodiment, the duration that targeted sites is monitored working channel is default value, such as can be for half beacon frame transmission cycle etc.When specific implementation, described time information can adopt absolute time, beacon frame periodicity or the expression of beacon frame numbering, and the described duration can adopt absolute time or beacon frame periodicity to represent.Described absolute time, beacon frame cycle and beacon frame numbering specifically describe in step S101, repeat no more herein.In the present embodiment, as preferably, described beacon frame also comprises the transmission cycle information, and targeted sites sends beacon frame according to the described transmission cycle.
Further, described beacon frame also comprises the working channel information of targeted sites, and targeted sites sends beacon frame in the channel of its support, and the channel of described support can be one or several channel in the transmission channel, or all transmission channels.In communication network, each website can both dynamically change the working channel of oneself, but constantly only has a working channel at each, because existing beacon frame does not contain the working channel information of targeted sites, targeted sites can only send beacon frame in the work at present channel so, inquiry website in this channel can be as required to described targeted sites initiating communication, and the inquiry website that is positioned at other channels just can't listen to described beacon frame message, if targeted sites sends beacon frame to other a plurality of channels simultaneously, because the inquiry website that is positioned at these channels is not known the working channel of targeted sites, therefore just can't to described targeted sites initiating communication, so just reduce targeted sites and be queried the probability that website is found.For this reason, in the present embodiment, beacon frame also comprises the working channel information of targeted sites, targeted sites sends beacon frame in a plurality of channels, the inquiry website that is positioned at other channels (non-described working channel) this moment just can get access to the working channel of targeted sites, when such inquiry website need to be to described targeted sites initiating communication, the channel of changing oneself gets final product to described working channel, described like this targeted sites just can by all inquiry station point discoveries, increase the found probability of targeted sites.
Further, described beacon frame also comprises message transmission rate information, described targeted sites is all supported described message transmission rate with the inquiry website, targeted sites is carried out data communication with this message transmission rate and inquiry website, if do not comprise described message transmission rate information in the beacon frame, perhaps, targeted sites or inquiry website are not supported described message transmission rate, and then targeted sites is carried out data communication with the inquiry website with basic speed.
Further, described beacon frame also comprises the transmission indicating bit, and described transmission indicating bit is used to indicate targeted sites and sends information frame.If this indicating bit is effective, when then targeted sites begins to monitor working channel, send information frame at its working channel, described information frame comprises link information and/or the information on services of targeted sites.Common described indicating positions 1 is effective.
In embodiments of the present invention, be in the time period information of monitoring working channel owing to determined targeted sites before, channel-monitoring unit controls targeted sites only needs to begin to monitor working channel in the predetermined moment and gets final product.
Embodiment four:
Fig. 4 shows the block diagram of a kind of targeted sites that fourth embodiment of the invention provides, and only shows for convenience of explanation the part relevant with the embodiment of the invention.
A kind of inquiry website comprises:
Beacon frame monitoring unit 401 is used for the inquiry website and monitors the beacon frame that targeted sites sends at its working channel, and described beacon frame comprises the operating time information of targeted sites.
Communication connection unit 402, be used for the inquiry website according to described operating time information to the targeted sites initiating communication.
In embodiments of the present invention, each inquiry website has own working channel, inquires about website and monitors beacon frame at working channel separately, listens to behind the beacon frame its preservation.Usually the inquiry website can be monitored beacon frame by Event triggered or periodicity.Described beacon frame comprises the operating time information of targeted sites, it is the temporal information that targeted sites is monitored working channel, comprise when targeted sites begins monitoring work and last long etc., further, described operating time information comprises that also targeted sites periodically monitors the time cycle of working channel.The inquiry website, sends connection request to targeted sites and gets final product in targeted sites is in the time period of monitoring working channel according to described temporal information.
Further, described beacon frame also comprises the working channel information of targeted sites, targeted sites can send beacon frame to the channel of its support, the channel of described support can be one or several channel in the transmission channel, or all transmission channels, also can listen to this beacon frame even be in the outer inquiry website of described working channel, if these inquiry websites need to communicate when being connected with Target Station, with oneself working channel to the working channel of adjusting to described targeted sites, so just can be in targeted sites be in the time period of monitoring working channel, at the working channel of targeted sites to the targeted sites initiating communication.
In addition, in actual conditions, may run into the inquiry website and not find the situation of targeted sites, as the embodiment of the invention preferred embodiment, described beacon frame comprises that targeted sites sends the transmission cycle information of beacon frame, the inquiry website is according to the delivery time of described transmission cycle information and current beacon frame, at next beacon frame delivery time, again monitor new beacon frame, if the inquiry website is not still found targeted sites, then again monitor new beacon frame until can find targeted sites.
Further, also comprise the transmission indicating bit in the beacon frame that described inquiry website listens to, when this indicating bit is effective, usually this indicating positions is 1, then inquiring about website need to communicate when being connected with targeted sites, working channel in targeted sites is monitored the information frame that targeted sites sends, and described information frame comprises link information and/or the information on services of targeted sites.
Further, also comprise message transmission rate information in the beacon frame that described inquiry website listens to, described inquiry website and targeted sites all support described message transmission rate inquiry website to carry out data communication with this message transmission rate and targeted sites, if do not comprise described message transmission rate information in the beacon frame, perhaps, inquiry website or targeted sites are not supported described message transmission rate, then inquire about website and carry out data communication with basic speed and targeted sites.Can pass through higher rate transmissioning data like this.
Can find out from above-mentioned several embodiment, targeted sites depends on the operating time information that comprises in the beacon frame of targeted sites transmission with the working method of inquiry website, comprise that targeted sites begins to monitor the time information of working channel, and targeted sites is monitored the Duration Information of working channel, further, described operating time information comprises that also targeted sites periodically monitors the time cycle of working channel.Wherein, described time information can adopt absolute time, beacon frame periodicity or the expression of beacon frame numbering, and described Duration Information can adopt absolute time or beacon frame periodicity to represent.These information are embodied in the parameter that beacon frame comprises, and in the following embodiments, describe communicating by letter between targeted sites and the inquiry website by selecting different beacon frame parameters.
Embodiment five:
In the present embodiment, targeted sites is periodically monitored working channel, and targeted sites begins to monitor the manifestation mode that the time information of working channel and Duration Information that targeted sites is monitored working channel all adopt absolute time.
Step S501, targeted sites send beacon frame, and described beacon frame comprises operating time information.
In the present embodiment, described beacon frame comprises:
A, beacon frame send the cycle, refer to the time interval of the predetermined transmitting time of adjacent twice beacon frame;
B, beacon frame send lag time, refer to the difference of the actual transmitting time of this beacon frame and predetermined transmitting time;
C, operation time Offset refer to this beacon frame reality or predetermined delivery time and targeted sites and begin to monitor the working channel time interval constantly next time, and 0 value representation is just monitored in targeted sites;
D, working hour minimum window, refer to the shortest duration that targeted sites is monitored working channel, 0 expression all the period of time monitored;
E, mode of operation cycle, refer to the adjacent time interval that begins to monitor working channel twice;
F, working channel refer to the channel that Target Station is monitored;
G, message transmission rate refer to message transmission rate between targeted sites and inquiry website;
H, transmission indicating bit show that this indicating positions 1 expression targeted sites sends information frame when beginning to monitor working channel;
Wherein, B, G, H item are optional information, and B, C, D, E item are described operating time information, and described operating time information table understands that targeted sites monitors the temporal information of working channel, comprise when beginning to monitor working channel and lasting long etc.
Step S502, targeted sites is monitored working channel in the moment of described operating time information appointment.
In the present embodiment, described predetermined instant is the moment point that targeted sites that operating time information comprises begins to monitor working channel, for example in the present embodiment by operation time Offset, can know the moment point that targeted sites next time begins to monitor working channel.
Step S503, the inquiry website is monitored the beacon frame that targeted sites sends at its working channel.
In the present embodiment, the inquiry website is monitored working channel by Event triggered or periodicity.
Step S504, the inquiry website is according to described operating time information, to the targeted sites initiating communication.
In the present embodiment, the inquiry website is according to the delivery time of described operating time information (being that beacon frame sends lag time, operation time offset, working hour minimum window, mode of operation cycle) and current beacon frame, can be in the time period of monitoring working channel by the understand target website, wherein to send lag time be option to beacon frame, the inquiry website within this period, on the working channel of targeted sites to the targeted sites initiating communication.
If comprise in the beacon frame that listens to sending indicating bit and effectively, then inquiring about website need to communicate when being connected with targeted sites, needs to monitor the information frame of targeted sites transmission, and establishes a communications link with messaging parameter and targeted sites in this information frame; All support described message transmission rate if also comprise message transmission rate and inquiry website and targeted sites in the beacon frame, then the inquiry station point selects this message transmission rate and targeted sites to carry out data communication, otherwise the inquiry website carries out data communication with basic speed and targeted sites.
Need in addition to consider that inquiring about website may not find targeted sites, for example because the beacon frame transmissions mistake, cause and do not have the operating time of targeted sites information or wrong operating time information in the beacon frame, at this moment, the inquiry website is according to the delivery time of current beacon frame, beacon frame transmission lag time and beacon frame transmission cycle are obtained the transmitting time axle of beacon frame, wherein to send lag time be optional information to beacon frame, and monitor the new beacon frame that target frame sends according to this time shaft, basis operating time information wherein is to the targeted sites initiating communication, until can find targeted sites again.
Need to prove that above-mentioned 4 steps do not have concrete time order and function relation in time, targeted sites and inquiry website only need to make concrete operations at predetermined instant and get final product.
Embodiment six:
In the present embodiment, targeted sites is periodically monitored working channel, and the time information that targeted sites begins to monitor working channel adopts the manifestation mode of beacon frame periodicity, and the Duration Information that targeted sites is monitored working channel adopts the manifestation mode of absolute time.
Step S601, targeted sites sends beacon frame, and described beacon frame comprises operating time information.
In the present embodiment, described beacon frame comprises:
A, beacon frame send the cycle;
B, beacon frame send lag time;
C, operation time cycle Offset, refer to this beacon frame reality or predetermined delivery time and targeted sites and begin to monitor the working channel beacon frame periodicity of being separated by constantly next time, after being current transmission beacon frame, through several beacon frame cycles, targeted sites begins to monitor working channel, and 0 value representation is just monitored in targeted sites;
D, working hour minimum window;
E, mode of operation periodicity refer to adjacent twice and begin to monitor the beacon frame periodicity that working channel is separated by;
F, working channel;
G, message transmission rate;
H, transmission indicating bit;
Wherein, B, G, H item are optional information, and B, C, D, E item are described operating time information, and described operating time information table understands that targeted sites monitors the temporal information of working channel, comprise when beginning to monitor working channel and lasting long etc.
Step S602, targeted sites is monitored working channel in the moment of described operating time information appointment.S502 is identical with step, repeats no more herein.
Step S603, the inquiry website is monitored the beacon frame that targeted sites sends at its working channel.S503 is identical with step, repeats no more herein.
Step S604, the inquiry website is according to described operating time information, to the targeted sites initiating communication.
In the present embodiment, the inquiry website is according to the delivery time of described operating time information (being that beacon frame sends lag time, operation time cycle Offset, working hour minimum window, mode of operation periodicity) and current beacon frame, can be in the time period of monitoring working channel by the understand target website, wherein to send lag time be option to beacon frame, the inquiry website within this period, on the working channel of targeted sites to the targeted sites initiating communication.
If comprise in the beacon frame that listens to sending indicating bit and effectively, then inquiring about website need to communicate when being connected with targeted sites, needs to monitor the information frame of targeted sites transmission, and establishes a communications link with messaging parameter and targeted sites in this information frame; All support described message transmission rate if also comprise message transmission rate and inquiry website and targeted sites in the beacon frame, then the inquiry station point selects this message transmission rate and targeted sites to carry out data communication, otherwise the inquiry website carries out data communication with basic speed and targeted sites.
Need in addition to consider that inquiring about website may not find targeted sites, for example because the beacon frame transmissions mistake, cause and do not have the operating time of targeted sites information or wrong operating time information in the beacon frame, at this moment, the inquiry website is according to the delivery time of current beacon frame, beacon frame transmission lag time and beacon frame transmission cycle are obtained the transmitting time axle of beacon frame, wherein to send lag time be optional information to beacon frame, and monitor the new beacon frame that target frame sends according to this time shaft, basis operating time information wherein is to the targeted sites initiating communication, until can find targeted sites again.
To sum up, present embodiment and embodiment five differences are, the moment that the inquiry website begins to monitor working channel is associated with the delivery time of beacon frame, and namely targeted sites will begin to monitor working channel after some specific beacon frame sends.
Embodiment seven:
In the present embodiment, targeted sites is periodically monitored working channel, and the time information that the labeling station point begins to monitor working channel adopts the manifestation mode of beacon frame numbering, and the Duration Information that targeted sites is monitored working channel adopts the manifestation mode of absolute time.
Step S701, targeted sites sends beacon frame, and described beacon frame comprises operating time information.
In the present embodiment, described beacon frame comprises:
A, beacon frame numbering SeqNo send each beacon frame to targeted sites it are numbered in turn;
B, beacon frame send the cycle;
C, beacon frame send lag time;
D, operation time periodicity N refer to the numbering of beacon frame to the N remainder, and when remainder was certain particular value, targeted sites began to monitor working channel after sending this beacon frame;
E, working hour minimum window;
F, working channel;
G, message transmission rate;
H, transmission indicating bit;
Wherein, C, G, H item are optional information, and A, C, D, E item are described operating time information, and described operating time information table understands that targeted sites monitors the temporal information of working channel, comprise when beginning to monitor working channel and lasting long etc.
Step S702, targeted sites is monitored working channel described operating time information appointment at predetermined instant.S502 is identical with step, repeats no more herein.
Step S703, the inquiry website is monitored the beacon frame that targeted sites sends at its working channel.S503 is identical with step, repeats no more herein.
Step S704, the inquiry website is according to described operating time information, to the targeted sites initiating communication.
In the present embodiment, the inquiry website is according to the delivery time of described operating time information (being that beacon frame sends lag time, beacon frame numbering SeqNo, working hour minimum window, operation time periodicity N) and current beacon frame, can be in the time period of monitoring working channel by the understand target website, wherein to send lag time be option to beacon frame, the inquiry website within this period, on the working channel of targeted sites to the targeted sites initiating communication.
If comprise in the beacon frame that listens to sending indicating bit and effectively, then inquiring about website need to communicate when being connected with targeted sites, needs to monitor the information frame of targeted sites transmission, and establishes a communications link with messaging parameter and targeted sites in this information frame; All support described message transmission rate if also comprise message transmission rate and inquiry website and targeted sites in the beacon frame, then the inquiry station point selects this message transmission rate and targeted sites to carry out data communication, otherwise the inquiry website carries out data communication with basic speed and targeted sites.
Need in addition to consider that inquiring about website may not find targeted sites, for example because the beacon frame transmissions mistake, cause and do not have the operating time of targeted sites information or wrong operating time information in the beacon frame, at this moment, the inquiry website is according to the delivery time of current beacon frame, beacon frame transmission lag time and beacon frame transmission cycle are obtained the transmitting time axle of beacon frame, wherein to send lag time be optional information to beacon frame, and monitor the new beacon frame that target frame sends according to this time shaft, basis operating time information wherein is to the targeted sites initiating communication, until can find targeted sites again.
To sum up, the difference of present embodiment and embodiment six is that described targeted sites is monitored the temporal information of working channel and crossed the expression of beacon frame numbering.
Embodiment eight:
In the present embodiment, targeted sites is no longer periodically monitored working channel, and targeted sites begins to monitor the manifestation mode that the time information of working channel and Duration Information that targeted sites is monitored working channel all adopt absolute time.
Step S801, targeted sites sends beacon frame, and described beacon frame comprises operating time information.
In the present embodiment, described beacon frame comprises:
A, beacon frame send the cycle;
B, beacon frame send lag time;
C, expection operation time number represent the working hour that current beacon frame has indicated several targeted sites to monitor working channel;
D, operation time Offset;
E, working hour minimum window;
F, working channel;
G, message transmission rate;
H, transmission indicating bit;
Wherein, B, G, H item are optional information, and B, C, D, E item are described operating time information.Do not monitor the time cycle of working channel owing to do not comprise targeted sites in the operating time information, just comprised expection operation time number, for example, if described expection operation time number is 2, one of them current beacon frame of working hour distance of monitoring working channel has 2 beacon frames to send the cycle, another current beacon frame of working hour distance of monitoring working channel has 6 beacon frames to send the cycle, this moment, operation time Offset had two values so, one is the time span that 2 beacon frames send the cycle, one is the time span that 6 beacon frames send the cycle, and operating time information is effective within the time period of described expection operation time number indication.Therefore the temporal information of can only the understand target website from operating time information monitoring in the recent period working channel.
Step S802, targeted sites is monitored working channel described operating time information appointment at predetermined instant.
Step S803, the inquiry website is monitored the beacon frame that targeted sites sends at its working channel.
Step S804, the inquiry website is according to described operating time information, to the targeted sites initiating communication.
In the present embodiment, the inquiry website is according to the delivery time of described operating time information (being that beacon frame sends lag time, operation time offset, working hour minimum window, expection operation time number) and current beacon frame, can be in the time period of monitoring working channel by the understand target website, wherein to send lag time be option to beacon frame, the inquiry website within this period, on the working channel of targeted sites to the targeted sites initiating communication.
If comprise in the beacon frame that listens to sending indicating bit and effectively, then inquiring about website need to communicate when being connected with targeted sites, needs to monitor the information frame of targeted sites transmission, and establishes a communications link with messaging parameter and targeted sites in this information frame; All support described message transmission rate if also comprise message transmission rate and inquiry website and targeted sites in the beacon frame, then the inquiry station point selects this message transmission rate and targeted sites to carry out data communication, otherwise the inquiry website carries out data communication with basic speed and targeted sites.
If described inquiry website need to communicate when being connected with targeted sites, the operating time information that does not have targeted sites in the described beacon frame, perhaps in the indicated time range of described expection operation time number, there is not targeted sites to be in the time period of monitoring working channel, this moment, operating time information was out-of-date, the inquiry website is not found targeted sites, inquire about so website according to the delivery time of current beacon frame, beacon frame sends the transmitting time axle of the acquisition of information beacon frames such as lag time and beacon frame transmission cycle, wherein to send lag time be optional information to beacon frame, and monitor the new beacon frame that target frame sends according to this time shaft, basis operating time information wherein is to the targeted sites initiating communication, until can find targeted sites again.
To sum up, the difference of present embodiment and embodiment five is, targeted sites no longer periodically enters the channel-monitoring state, but dynamically monitors working channel, monitors the temporal information of working channel so can only know recent targeted sites in the information of carrying from beacon frame.
Embodiment nine:
In the present embodiment, targeted sites is no longer periodically monitored working channel, the time information that targeted sites begins to monitor working channel adopts the manifestation mode of beacon frame periodicity, and the Duration Information that targeted sites is monitored working channel adopts the manifestation mode of absolute time.
Step S901, targeted sites sends beacon frame, and described beacon frame comprises operating time information.
In the present embodiment, described beacon frame comprises:
A, beacon frame send the cycle;
B, beacon frame send lag time;
C, expection operation time number;
D, operation time cycle Offset;
E, working hour minimum window;
F, working channel;
G, message transmission rate;
H, transmission indicating bit;
Wherein, B, G, H item are optional information, and B, C, D, E item are described operating time information.Do not monitor the time cycle of working channel owing to do not comprise targeted sites in the operating time information, just comprised expection operation time number, for example, if described expection operation time number is 2, one of them current beacon frame of working hour distance of monitoring working channel has 2 beacon frames to send the cycle, another current beacon frame of working hour distance of monitoring working channel has 6 beacon frames to send the cycle, this moment, operation time cycle Offset had two values so, one is 2, one is 6, and operating time information is effective within the time period of described expection operation time number indication.Therefore the temporal information of can only the understand target website from operating time information monitoring in the recent period working channel.
Step S902, targeted sites is monitored working channel described operating time information appointment at predetermined instant.
Step S903, the inquiry website is monitored the beacon frame that targeted sites sends at its working channel.
Step S904, the inquiry website is according to described operating time information, to the targeted sites initiating communication.
In the present embodiment, the inquiry website is according to the delivery time of described operating time information (being that beacon frame sends lag time, operation time cycle Offset, working hour minimum window, expection operation time number) and current beacon frame, can be in the time period of monitoring working channel by the understand target website, wherein to send lag time be option to beacon frame, the inquiry website within this period, on the working channel of targeted sites to the targeted sites initiating communication.
If comprise in the beacon frame that listens to sending indicating bit and effectively, then inquiring about website need to communicate when being connected with targeted sites, needs to monitor the information frame of targeted sites transmission, and establishes a communications link with messaging parameter and targeted sites in this information frame; All support described message transmission rate if also comprise message transmission rate and inquiry website and targeted sites in the beacon frame, then the inquiry station point selects this message transmission rate and targeted sites to carry out data communication, otherwise the inquiry website carries out data communication with basic speed and targeted sites.
If described inquiry website need to communicate when being connected with targeted sites, the operating time information that does not have targeted sites in the described beacon frame, perhaps in the indicated time range of described expection operation time number, there is not targeted sites to be in the time period of monitoring working channel, this moment, operating time information was out-of-date, the inquiry website is not found targeted sites, inquire about so website according to the delivery time of current beacon frame, beacon frame sends the transmitting time axle of the acquisition of information beacon frames such as lag time and beacon frame transmission cycle, wherein to send lag time be optional information to beacon frame, and monitor the new beacon frame that target frame sends according to this time shaft, basis operating time information wherein is to the targeted sites initiating communication, until can find targeted sites again.
To sum up, the difference of present embodiment and embodiment eight is that targeted sites begins to monitor working channel after some specific beacon frame sends.
Embodiment ten:
In the present embodiment, targeted sites is periodically monitored working channel, and targeted sites begins to monitor the manifestation mode that the time information of working channel and Duration Information that targeted sites is monitored working channel all adopt the beacon frame periodicity.
Step S1001, targeted sites enters at predetermined instant and sends the concurrent beacon frame that send of beacon frame state, is sent this state of backed off after random.
In the present embodiment, described beacon frame comprises:
A, beacon frame send the cycle;
B, beacon frame send lag time;
C, operation time cycle Offset;
D, minimum period working hour window, the expression targeted sites is monitored the minimum beacon frame period number that continues of working channel, represent to monitor the minimum duration of working channel with several times time in beacon frame cycle, if this window can only be certain particular value, need save this so;
E, mode of operation periodicity;
F, working channel;
G, message transmission rate;
H, transmission indicating bit;
Wherein, B, G, H item are optional information, and B, C, D, E item are described operating time information, and described operating time information table understands that targeted sites monitors the temporal information of working channel, comprise when beginning to monitor working channel and lasting long etc.
Step S1002, targeted sites is monitored working channel described operating time information appointment at predetermined instant.
Step S1003, the inquiry website is monitored the beacon frame that targeted sites sends at its working channel.
Step S1004, the inquiry website is according to described operating time information, to the targeted sites initiating communication.
In the present embodiment, relative index acquisition of information targeted sites is in the time shaft of monitor channel state in the inquiry website basis beacon frame that listens to, and described relative index information comprises:
In the present embodiment, the inquiry website is according to the delivery time of described operating time information (being that beacon frame sends lag time, operation time cycle Offset, minimum period working hour window, mode of operation cycle) and current beacon frame, can be in the time period of monitoring working channel by the understand target website, wherein to send lag time be option to beacon frame, the inquiry website within this period, on the working channel of targeted sites to the targeted sites initiating communication.
If comprise in the beacon frame that listens to sending indicating bit and effectively, then inquiring about website need to communicate when being connected with targeted sites, needs to monitor the information frame of targeted sites transmission, and establishes a communications link with messaging parameter and targeted sites in this information frame; All support described message transmission rate if also comprise message transmission rate and inquiry website and targeted sites in the beacon frame, then the inquiry station point selects this message transmission rate and targeted sites to carry out data communication, otherwise the inquiry website carries out data communication with basic speed and targeted sites.
Need in addition to consider that inquiring about website may not find targeted sites, for example because the beacon frame transmissions mistake, cause and do not have the operating time of targeted sites information or wrong operating time information in the beacon frame, at this moment, the inquiry website is according to the delivery time of current beacon frame, beacon frame transmission lag time and beacon frame transmission cycle are obtained the transmitting time axle of beacon frame, wherein to send lag time be optional information to beacon frame, and monitor the new beacon frame that target frame sends according to this time shaft, basis operating time information wherein is to the targeted sites initiating communication, until can find targeted sites again.
To sum up, the difference of present embodiment and embodiment six is that the duration that targeted sites is monitored working channel was represented by the beacon frame transmission cycle, but not absolute time.
Embodiment 11:
In the present embodiment, targeted sites is periodically monitored working channel, and the time information that the labeling station point begins to monitor working channel adopts the manifestation mode of beacon frame numbering, and the Duration Information that targeted sites is monitored working channel adopts the manifestation mode in beacon frame cycle.
Step S1101, targeted sites sends beacon frame, and described beacon frame comprises operating time information.
In the present embodiment, described beacon frame comprises:
A, beacon frame numbering SeqNo;
B, beacon frame send the cycle;
C, beacon frame send lag time;
D, operation time periodicity N;
E, minimum period working hour window;
F, working channel;
G, message transmission rate;
H, transmission indicating bit;
Wherein, C, G, H item are optional information, and A, C, D, E item are described operating time information, and described operating time information table understands that targeted sites monitors the temporal information of working channel, comprise when beginning to monitor working channel and lasting long etc.
Step S1102, targeted sites is monitored working channel described operating time information appointment at predetermined instant.
Step S1103, the inquiry website is monitored the beacon frame that targeted sites sends at its working channel.S503 is identical with step.
Step S1104, the inquiry website is according to described operating time information, to the targeted sites initiating communication.
In the present embodiment, the inquiry website is according to the delivery time of described operating time information (being that beacon frame sends lag time, beacon frame numbering SeqNo, minimum period working hour window, operation time periodicity N) and current beacon frame, can be in the time period of monitoring working channel by the understand target website, wherein to send lag time be option to beacon frame, the inquiry website within this period, on the working channel of targeted sites to the targeted sites initiating communication.
If comprise in the beacon frame that listens to sending indicating bit and effectively, then inquiring about website need to communicate when being connected with targeted sites, needs to monitor the information frame of targeted sites transmission, and establishes a communications link with messaging parameter and targeted sites in this information frame; All support described message transmission rate if also comprise message transmission rate and inquiry website and targeted sites in the beacon frame, then the inquiry station point selects this message transmission rate and targeted sites to carry out data communication, otherwise the inquiry website carries out data communication with basic speed and targeted sites.
Need in addition to consider that inquiring about website may not find targeted sites, for example because the beacon frame transmissions mistake, cause and do not have the operating time of targeted sites information or wrong operating time information in the beacon frame, at this moment, the inquiry website is according to the delivery time of current beacon frame, beacon frame transmission lag time and beacon frame transmission cycle are obtained the transmitting time axle of beacon frame, wherein to send lag time be optional information to beacon frame, and monitor the new beacon frame that target frame sends according to this time shaft, basis operating time information wherein is to the targeted sites initiating communication, until can find targeted sites again.
To sum up, the difference of present embodiment and embodiment seven is that the duration that targeted sites is monitored working channel was represented by the beacon frame transmission cycle, but not adopts absolute time.
Embodiment 12:
In the present embodiment, targeted sites is no longer periodically monitored working channel, and targeted sites begins to monitor the manifestation mode that the time information of working channel and Duration Information that targeted sites is monitored working channel all adopt the beacon frame periodicity.
Step S1201, targeted sites sends beacon frame, and described beacon frame comprises operating time information.
In the present embodiment, described beacon frame comprises:
A, beacon frame send the cycle;
B, beacon frame send lag time;
C, expection operation time number;
D, operation time cycle Offset;
E, minimum period working hour window;
F, working channel;
G, message transmission rate;
H, transmission indicating bit;
Wherein, B, G, H item are optional information, and B, C, D, E item are described operating time information.Do not monitor the time cycle of working channel owing to do not comprise targeted sites in the operating time information, just comprised expection operation time number, for example, if described expection operation time number is 2, one of them current beacon frame of working hour distance of monitoring working channel has 2 beacon frames to send the cycle, another current beacon frame of working hour distance of monitoring working channel has 6 beacon frames to send the cycle, this moment, operation time Offset had two values so, one is 2, one is 6, and operating time information is effective within the time period of described expection operation time number indication.Therefore the temporal information of can only the understand target website from operating time information monitoring in the recent period working channel.
Step S1202, targeted sites is monitored working channel described operating time information appointment at predetermined instant.
Step S1203, the inquiry website is monitored the beacon frame that targeted sites sends at its working channel.
Step S1204, the inquiry website is according to described operating time information, to the targeted sites initiating communication.
In the present embodiment, the inquiry website is according to the delivery time of described operating time information (being that beacon frame sends lag time, operation time cycle Offset, minimum period working hour window, expection operation time number) and current beacon frame, can be in the time period of monitoring working channel by the understand target website, wherein to send lag time be option to beacon frame, the inquiry website within this period, on the working channel of targeted sites to the targeted sites initiating communication.
If comprise in the beacon frame that listens to sending indicating bit and effectively, then inquiring about website need to communicate when being connected with targeted sites, needs to monitor the information frame of targeted sites transmission, and establishes a communications link with messaging parameter and targeted sites in this information frame; All support described message transmission rate if also comprise message transmission rate and inquiry website and targeted sites in the beacon frame, then the inquiry station point selects this message transmission rate and targeted sites to carry out data communication, otherwise the inquiry website carries out data communication with basic speed and targeted sites.
If described inquiry website need to communicate when being connected with targeted sites, the operating time information that does not have targeted sites in the described beacon frame, perhaps in the indicated time range of described expection operation time number, there is not targeted sites to be in the time period of monitoring working channel, this moment, operating time information was out-of-date, the inquiry website is not found targeted sites, inquire about so website according to the delivery time of current beacon frame, beacon frame sends the transmitting time axle of the acquisition of information beacon frames such as lag time and beacon frame transmission cycle, wherein to send lag time be optional information to beacon frame, and monitor the new beacon frame that target frame sends according to this time shaft, basis operating time information wherein is to the targeted sites initiating communication, until can find targeted sites again.
To sum up, the difference of present embodiment and embodiment nine is that the duration that targeted sites is monitored working channel was represented by the beacon frame transmission cycle, but not adopts absolute time.
Need to prove; except the compound mode of embodiment five to 12 described several operating time information; for example periodically monitor working channel as targeted sites; the time information that targeted sites begins to monitor working channel adopts the manifestation mode of absolute time; the Duration Information that targeted sites is monitored working channel adopts the manifestation mode in beacon frame cycle; perhaps targeted sites is no longer periodically monitored working channel; the time information that targeted sites begins to monitor working channel adopts the manifestation mode of absolute time; the Duration Information that targeted sites is monitored working channel adopts the manifestation mode in beacon frame cycle etc.; operating time information only need arrange corresponding parameter and got final product this moment, and these assembled schemes are all within protection range of the present invention.
Embodiment 13: present embodiment provides the communication system between a kind of targeted sites and inquiry website, as shown in Figure 5, this communication system comprises embodiment three described targeted sites 131 and embodiment four described inquiry websites 132, described targeted sites 131 sends the beacon frame that comprises operating time information, inquiry website 132 is monitored described beacon frame, targeted sites 131 begins to monitor working channel at the operation time of appointment, inquiry website 132 is according to listening to the operating time information that comprises in the beacon frame, in targeted sites is in the time period of monitoring active channel state, get final product to the targeted sites initiating communication.In the present embodiment, because targeted sites 131 need not all the period of time monitor channel, improved channel-monitoring efficient.
Can find out from above-described embodiment, in the embodiment of the invention, the operating time information that comprises targeted sites in the beacon frame that targeted sites sends, after the inquiry website listens to described beacon frame, can get access to when targeted sites begins to monitor working channel and the information such as last long, when the inquiry website need to establish a communications link with targeted sites, in targeted sites is in the time period of monitoring working channel, get final product to the targeted sites initiating communication, pass through the embodiment of the invention, targeted sites need not to begin immediately to monitor working channel behind each transmission beacon frame, only needs to monitor working channel in the scheduled time and get final product, and has improved like this monitoring efficient of targeted sites.In addition, the working channel information that also comprises targeted sites in the described beacon frame, targeted sites can send beacon frame to the channel of its support, the inquiry website that is positioned at other channels also can be found described targeted sites, when the inquiry website need to establish a communications link with targeted sites, only need the working channel of oneself is adjusted to the working channel of targeted sites, on the working channel of targeted sites, get final product to the targeted sites initiating communication, can greatly improve the found probability of targeted sites like this.
One of ordinary skill in the art will appreciate that, realize that all or part of step in above-described embodiment method is to come the relevant hardware of instruction to finish by program, described program can be in being stored in a computer read/write memory medium, described storage medium is such as ROM/RAM, disk, CD etc.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (41)

1. the means of communication of a targeted sites is characterized in that, described method comprises the steps:
Targeted sites sends beacon frame, and described beacon frame comprises the operating time information of targeted sites;
Targeted sites is monitored working channel in the moment of described operating time information appointment.
2. the means of communication as claimed in claim 1 is characterized in that, described beacon frame also comprises the working channel information of targeted sites, and described targeted sites sends beacon frame in the channel of its support.
3. the means of communication as claimed in claim 1 or 2 is characterized in that, described beacon frame also comprises the transmission cycle information, and targeted sites sends beacon frame according to the described transmission cycle.
4. the means of communication as claimed in claim 1 or 2 is characterized in that, described beacon frame also comprises message transmission rate information.
5. the means of communication as claimed in claim 4 is characterized in that, targeted sites is carried out data communication with described message transmission rate and inquiry website.
6. the means of communication as claimed in claim 1 or 2 is characterized in that, described beacon frame also comprises the transmission indicating bit, when described transmission indicating bit is used to indicate targeted sites and begins to monitor working channel, send information frame at its working channel.
7. the means of communication as claimed in claim 6 is characterized in that, described information frame comprises link information and/or the information on services of targeted sites.
8. such as each described means of communication of claim 1 to 7, it is characterized in that, described operating time information is the temporal information that targeted sites is monitored working channel, comprise that targeted sites begins to monitor the time information of working channel and the Duration Information that targeted sites is monitored working channel, wherein, described time information can adopt absolute time, beacon frame periodicity or the expression of beacon frame numbering, and described Duration Information can adopt absolute time or beacon frame periodicity to represent.
9. the means of communication as claimed in claim 8 is characterized in that, described operating time information comprises that also targeted sites periodically monitors the time cycle of working channel.
10. means of communication of inquiring about website is characterized in that, the described means of communication comprise the steps:
The inquiry website is monitored the beacon frame that targeted sites sends at its working channel, and described beacon frame comprises the operating time information of targeted sites.
The inquiry website is according to described operating time information, to the targeted sites initiating communication.
11. the means of communication as claimed in claim 10 is characterized in that, described beacon frame also comprises working channel information, and the inquiry website is according to described operating time information and working channel information, at the working channel of appointment to the targeted sites initiating communication.
12. such as claim 10 or the 11 described means of communication, it is characterized in that, described operating time information is the temporal information that targeted sites is monitored working channel, comprise that targeted sites begins to monitor the time information of working channel and the Duration Information that targeted sites is monitored working channel, wherein, described time information can adopt absolute time, beacon frame periodicity or the expression of beacon frame numbering, and described Duration Information can adopt absolute time or beacon frame periodicity to represent.
13. the means of communication as claimed in claim 12 is characterized in that, described operating time information comprises that also targeted sites periodically monitors the time cycle of working channel.
14., it is characterized in that described beacon frame comprises that also targeted sites sends the transmission cycle information of beacon frame such as each described means of communication of claim 10 to 13.
15. the means of communication as claimed in claim 14, it is characterized in that, if described inquiry website is not found targeted sites, then according to the transmission cycle information described in the beacon frame, monitor the new beacon frame that targeted sites sends, the inquiry website is according to the operating time information in the new beacon frame, or operating time information and working channel information, to the targeted sites initiating communication.
16. the means of communication as claimed in claim 15, it is characterized in that, described inquiry website does not find that targeted sites specifically comprises: the operating time information that does not comprise targeted sites in the beacon frame that the inquiry website listens to, perhaps within the time period of described operating time information appointment, targeted sites is not monitored its working channel, and perhaps described operating time information is out-of-date.
17. such as each described means of communication of claim 10 to 16, it is characterized in that, also comprise the transmission indicating bit in the described beacon frame that listens to, described transmission indicating bit is used to indicate the inquiry website and need to communicates when being connected with targeted sites, monitors the information frame of targeted sites transmission at the working channel of targeted sites.
18. the means of communication as claimed in claim 17 is characterized in that, described information frame comprises link information and/or the information on services of targeted sites.
19. such as each described means of communication of claim 10 to 16, it is characterized in that, also comprise message transmission rate information in the described beacon frame that listens to.
20. the means of communication as claimed in claim 19 is characterized in that, the inquiry website carries out data communication with this message transmission rate and targeted sites.
21. a targeted sites is characterized in that, described targeted sites comprises:
The beacon frame transmitting element is used for targeted sites and sends beacon frame, and described beacon frame comprises the operating time information of targeted sites;
The channel-monitoring unit is used for targeted sites and begins to monitor working channel in the moment of described operating time information appointment.
22. targeted sites as claimed in claim 21 is characterized in that, described beacon frame also comprises the working channel information of targeted sites, and described beacon frame transmitting element is used for targeted sites and sends beacon frame at the channel of its support.
23. such as claim 21 or 22 described targeted sites, it is characterized in that described beacon frame also comprises the transmission cycle information, targeted sites sends beacon frame according to the described transmission cycle.
24. such as claim 21 or 22 described targeted sites, it is characterized in that described beacon frame also comprises message transmission rate information.
25. targeted sites as claimed in claim 24 is characterized in that, targeted sites is carried out data communication with this message transmission rate and inquiry website.
26. such as claim 21 or 22 described targeted sites, it is characterized in that described beacon frame also comprises the transmission indicating bit, when described transmission indicating bit is used to indicate targeted sites and begins to monitor working channel, send information frame at its working channel.
27. targeted sites as claimed in claim 26 is characterized in that, described information frame comprises link information and/or the information on services of targeted sites.
28. such as each described targeted sites of claim 21 to 27, it is characterized in that, described operating time information is the temporal information that targeted sites is monitored working channel, comprise that targeted sites begins to monitor the time information of working channel and the Duration Information that targeted sites is monitored working channel, wherein, described time information can adopt absolute time, beacon frame periodicity or the expression of beacon frame numbering, and described Duration Information can adopt absolute time or beacon frame periodicity to represent.
29. targeted sites as claimed in claim 28 is characterized in that, described operating time information comprises that also targeted sites periodically monitors the time cycle of working channel.
30. an inquiry website is characterized in that described inquiry website comprises:
The beacon frame monitoring unit is used for the inquiry website and monitors the beacon frame that targeted sites sends at its working channel, and described beacon frame comprises the operating time information of targeted sites.
The communication connection unit is used for the inquiry website according to described operating time information, to the targeted sites initiating communication.
31. inquiry website as claimed in claim 30, it is characterized in that, described beacon frame also comprises working channel information, described beacon frame monitoring unit is used for the inquiry website and need to communicates when being connected with targeted sites, according to described operating time information and working channel information, at the working channel of appointment to the targeted sites initiating communication.
32. such as claim 30 or 31 described inquiry websites, it is characterized in that, described operating time information is the temporal information that targeted sites is monitored working channel, comprise that targeted sites begins to monitor the time information of working channel and the Duration Information that targeted sites is monitored working channel, wherein, described time information can adopt absolute time, beacon frame periodicity or the expression of beacon frame numbering, and described Duration Information can adopt absolute time or beacon frame periodicity to represent.
33. inquiry website as claimed in claim 32 is characterized in that, described operating time information comprises that also targeted sites periodically monitors the time cycle of working channel.
34., it is characterized in that described beacon frame comprises that also targeted sites sends the transmission cycle information of beacon frame such as each described inquiry website of claim 30 to 33.
35. inquiry website as claimed in claim 34, it is characterized in that, if described inquiry website is not found targeted sites, then according to the transmission cycle information described in the beacon frame, monitor the new beacon frame that targeted sites sends, the inquiry website is according to the operating time information in the new beacon frame, or operating time information and working channel information, to the targeted sites initiating communication.
36. inquiry website as claimed in claim 35, it is characterized in that, described inquiry website does not find that targeted sites specifically comprises: the operating time information that does not comprise targeted sites in the beacon frame that the inquiry website listens to, perhaps within the time period of described operating time information appointment, targeted sites is not monitored its working channel, and perhaps described operating time information is out-of-date.
37. such as each described inquiry website of claim 30 to 36, it is characterized in that, also comprise the transmission indicating bit in the described beacon frame that listens to, described transmission indicating bit is used to indicate the inquiry website and need to communicates when being connected with targeted sites, monitors the information frame of targeted sites transmission at the working channel of targeted sites.
38. inquiry website as claimed in claim 37 is characterized in that, described information frame comprises link information and/or the information on services of targeted sites.
39. such as each described inquiry website of claim 30 to 36, it is characterized in that, it is characterized in that, also comprise message transmission rate information in the described beacon frame that listens to.
40. inquiry website as claimed in claim 39 is characterized in that, the inquiry website carries out data communication with this message transmission rate and targeted sites.
41. the communication system between a targeted sites and inquiry website, described system comprises such as each described targeted sites of claim 21 to 29, and such as each described inquiry website of claim 30 to 40.
CN201210082628.1A 2012-03-26 2012-03-26 A kind of targeted sites, inquiry website, communication system and the means of communication Active CN103369550B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201210082628.1A CN103369550B (en) 2012-03-26 2012-03-26 A kind of targeted sites, inquiry website, communication system and the means of communication
PCT/CN2013/071060 WO2013143356A1 (en) 2012-03-26 2013-01-29 Target site, query site, communication system and communication method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210082628.1A CN103369550B (en) 2012-03-26 2012-03-26 A kind of targeted sites, inquiry website, communication system and the means of communication

Publications (2)

Publication Number Publication Date
CN103369550A true CN103369550A (en) 2013-10-23
CN103369550B CN103369550B (en) 2016-08-10

Family

ID=49258172

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210082628.1A Active CN103369550B (en) 2012-03-26 2012-03-26 A kind of targeted sites, inquiry website, communication system and the means of communication

Country Status (2)

Country Link
CN (1) CN103369550B (en)
WO (1) WO2013143356A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104053227A (en) * 2013-12-02 2014-09-17 华为终端有限公司 Method and device for selecting anchor masters
CN105993185A (en) * 2013-12-02 2016-10-05 高通股份有限公司 Methods and apparatus for neighborhood area network detection

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108174406B (en) * 2017-12-25 2021-02-05 新华三技术有限公司 Equipment control method and device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1757201A (en) * 2003-02-03 2006-04-05 索尼株式会社 Communication method, communication device, and computer program
CN1310477C (en) * 2003-09-03 2007-04-11 三星电子株式会社 Saving power in wireless local area network
WO2007103794A2 (en) * 2006-03-03 2007-09-13 Qualcomm Incorporated Standby time improvements for stations in a wireless network
CN101056229A (en) * 2006-04-13 2007-10-17 中国科学院半导体研究所 A method for improving the WLAN energy-saving efficiency
CN101091398A (en) * 2004-12-31 2007-12-19 摩托罗拉公司 Method of operating a wlan mobile station
CN102186229A (en) * 2011-05-06 2011-09-14 新邮通信设备有限公司 Independent basic service set (IBSS) system and power management method thereof
CN102342156A (en) * 2009-03-03 2012-02-01 诺基亚公司 Power management in wireless communication systems

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102238697B (en) * 2010-04-30 2013-12-04 华为技术有限公司 Method and device for joining wireless sensor network

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1757201A (en) * 2003-02-03 2006-04-05 索尼株式会社 Communication method, communication device, and computer program
CN1310477C (en) * 2003-09-03 2007-04-11 三星电子株式会社 Saving power in wireless local area network
CN101091398A (en) * 2004-12-31 2007-12-19 摩托罗拉公司 Method of operating a wlan mobile station
WO2007103794A2 (en) * 2006-03-03 2007-09-13 Qualcomm Incorporated Standby time improvements for stations in a wireless network
CN101056229A (en) * 2006-04-13 2007-10-17 中国科学院半导体研究所 A method for improving the WLAN energy-saving efficiency
CN102342156A (en) * 2009-03-03 2012-02-01 诺基亚公司 Power management in wireless communication systems
CN102186229A (en) * 2011-05-06 2011-09-14 新邮通信设备有限公司 Independent basic service set (IBSS) system and power management method thereof

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104053227A (en) * 2013-12-02 2014-09-17 华为终端有限公司 Method and device for selecting anchor masters
WO2015081852A1 (en) * 2013-12-02 2015-06-11 华为终端有限公司 Method and device for selecting anchor master
CN105993185A (en) * 2013-12-02 2016-10-05 高通股份有限公司 Methods and apparatus for neighborhood area network detection
US9642136B2 (en) 2013-12-02 2017-05-02 Huawei Device Co., Ltd. Method and device for anchor master selection
RU2622406C1 (en) * 2013-12-02 2017-06-15 Хуавэй Дивайс Ко., Лтд. Method and device for selecting tethering wizard
CN104053227B (en) * 2013-12-02 2017-06-27 华为终端有限公司 A kind of method and apparatus for anchor main equipment selection
CN107182121A (en) * 2013-12-02 2017-09-19 华为终端有限公司 A kind of method and apparatus for anchor main equipment selection
US10178669B2 (en) 2013-12-02 2019-01-08 Huawei Device (Dongguan) Co., Ltd. Method and device for anchor master selection
CN107182121B (en) * 2013-12-02 2020-08-07 华为终端有限公司 Method and equipment for selecting anchor master equipment
CN105993185B (en) * 2013-12-02 2020-08-28 高通股份有限公司 Method and apparatus for neighborhood network detection

Also Published As

Publication number Publication date
WO2013143356A1 (en) 2013-10-03
CN103369550B (en) 2016-08-10

Similar Documents

Publication Publication Date Title
US9338799B2 (en) Method for random access of machine to machine (M2M) terminals
US7969912B2 (en) Method for managing the power in the wireless network
US8254290B2 (en) Method and apparatus for constructing synchronous sensor network
CA2564022C (en) Adaptive beacon period in a distributed network
US9326234B2 (en) Sub-1GHZ group power save
US20100111048A1 (en) Method for allocating a beacon slot using a beacon table in wireless personal area network (wpan) and wpan device
WO2020069380A4 (en) Wlan operation using multiple component channels
EP2728764B1 (en) Synchronous access method, and communication device and system in frequency hopping radio communication
US9439147B2 (en) Mechanisms of reducing power consumption for NAN devices
US20130114488A1 (en) Method for implementing power saving of access point and access point on wireless communication network
CN106961729A (en) Monitor, send paging, the method for call terminal and base station, terminal
KR20150121168A (en) Polling beacon
US9235983B2 (en) Apparatus and methods for group-based reactive service discovery
CN108337726A (en) WLAN Dynamic link library identity assignments operating method, base station and access point
US8259618B2 (en) Method for managing the power in the wireless network
KR20050071610A (en) Beacon channel for frequency hopping wireless devices
CN103298064B (en) Downlink data transmission method and relevant device and communication system
CN102088775A (en) Method, system and device for distributing contention resources
JP2023511998A (en) Method and device for power saving within wireless sidelink communications
US20150019718A1 (en) Method for service discovery in wireless personal area network
JP2017531399A (en) Fast radio frequency communication suitable for sports timing applications
US20140016568A1 (en) Method and apparatus for facilitating channel switching
CN103533533A (en) Signal transmission method and device
AU2017261253B2 (en) Forming a time synchronized channel hopping network using guaranteed time slots
CN103369550A (en) Communication system and communication method of target station and query station

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20210423

Address after: Unit 3401, unit a, building 6, Shenye Zhongcheng, No. 8089, Hongli West Road, Donghai community, Xiangmihu street, Futian District, Shenzhen, Guangdong 518040

Patentee after: Honor Device Co.,Ltd.

Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen

Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd.

TR01 Transfer of patent right