CN107124248B - A kind of communication means, apparatus and system - Google Patents

A kind of communication means, apparatus and system Download PDF

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Publication number
CN107124248B
CN107124248B CN201710165238.3A CN201710165238A CN107124248B CN 107124248 B CN107124248 B CN 107124248B CN 201710165238 A CN201710165238 A CN 201710165238A CN 107124248 B CN107124248 B CN 107124248B
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signal
communication device
bit string
data
new
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CN107124248A (en
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李东声
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Tendyron Technology Co Ltd
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Tendyron Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate

Abstract

The present invention provides a kind of communication means, apparatus and system, this method comprises: principal communication device sends parameter acquisition request signal to from communication device, and receives communication rate information of its support returned from device；Select locally-supported new communication rate information according to the communication rate information supported from device, and to sending new communication rate information from device；If master device receives frequency conversion response signal and carries the instruction information agreed to using new communication rate information, the new time parameter of data transmission is determined according to new communication rate information；According under new time parameter 2NA length is that each Bit String and the corresponding relationship of time interval send data-signal to be sent in the Bit String of N, alternatively, receiving the data-signal sent from device according to new time parameter, and obtain the corresponding Bit String of each time interval in the data-signal received, wherein, 2NA Bit String is different, and the corresponding time interval of different Bit Strings is different, N >=1.

Description

A kind of communication means, apparatus and system
Technical field
The present invention relates to a kind of electronic technology field more particularly to a kind of communication means, apparatus and system.
Background technique
During asynchronous communication, using different messaging parameters, it can be realized in data sending terminal and data receiver The data of different communication rate are transmitted.But the traffic rate that different communication equipments is supported is different, that is, the communication used Parameter is different, how to be compatible with the traffic rate of each different communication equipment, is that those skilled in the art suffer from a problem that. In addition, converting current traffic rate if necessary after communicating pair establishes communication link, then data sending terminal and data connect Receiving end needs first to stop data transmission, after re-starting communication negotiation with the new messaging parameter of determination, restarts data transmission, leads Cause data transmission efficiency lower.
Summary of the invention
Present invention seek to address that one of above problem.
The first object of the present invention is to provide a kind of communication means, comprising: principal communication device is according to default communication rate Information determines the current time parameter of data transmission；According under the current time parameter 2NA length is each in the Bit String of N A Bit String and the corresponding relationship of time interval send parameter acquisition request signal extremely from communication device；The principal communication device root The parameter returned from communication device is received according to the current time parameter and obtains response signal, and is obtained the parameter and obtained The corresponding Bit String of each time interval in response signal, wherein the parameter obtained between each time in response signal Every the corresponding Bit String instruction communication rate information supported from communication device；The principal communication device is according to described from logical The communication rate information that T unit is supported selects a locally-supported new communication rate information, and according to the current time 2 under parameterNA length sends frequency conversion request signal to institute for each Bit String in the Bit String of N and the corresponding relationship of time interval It states from communication device, the frequency conversion request signal carries the new communication rate information；The principal communication device is according to institute It states current time parameter and receives the frequency conversion response signal returned from communication device, and obtain in the frequency conversion response signal The corresponding Bit String of each time interval, and the corresponding Bit String instruction of each time interval in the frequency conversion response signal Agree to determine the new of data transmission according to the new communication rate information using in the case where the new communication rate information Time parameter；The principal communication device obtains 2 under new time parameter according to the new time parameterNA length is the Bit String of N In each Bit String and time interval corresponding relationship, and data-signal to be sent is sent according to the corresponding relationship, alternatively, root The data-signal sent from communication device is received according to the new time parameter, and is obtained each in the data-signal received The corresponding Bit String of a time interval, wherein 2NA Bit String is different, and the different Bit Strings corresponding time Interval is different, N >=1.
Wherein, the corresponding Bit String instruction of each time interval in the frequency conversion response signal disagrees described in use In the case where new communication rate information, the principal communication device is according under the current time parameter 2NA length is the ratio of N Each Bit String and the corresponding relationship of time interval send the data-signal to be sent in spy's string, alternatively, being worked as according to described Preceding time parameter receives the data-signal sent from communication device, and each in the data-signal received described in acquisition The corresponding Bit String of time interval.
Wherein, the new communication rate information includes the new time parameter；Join described according to the current time Several lower 2NA length is that each Bit String and the corresponding relationship of time interval send parameter acquisition request signal extremely in the Bit String of N Before communication device, the method also includes: the principal communication device generates the frequency conversion request signal；The principal communication dress It sets and generates the frequency conversion request signal, comprising: according under the current time parameter 2NA length is each ratio in the Bit String of N Spy's string and the corresponding relationship of time interval generate F data-signal, wherein each data-signal in the F data-signal At the beginning of with the time interval at the beginning of an adjacent upper signal be the corresponding time interval of a Bit String, F >=1 and F is natural number, and the frequency conversion request signal includes the F data-signal, described in the F data signal transmission newly Time parameter.
Wherein, the new communication rate information includes new time parameter mark；Join described according to the current time Several lower 2NA length is that each Bit String and the corresponding relationship of time interval send parameter acquisition request signal extremely in the Bit String of N Before communication device, the method also includes: the principal communication device generates the frequency conversion request signal；The principal communication dress It sets and generates the frequency conversion request signal, comprising: according under the current time parameter of data transmission 2NA length is the bit of N Each Bit String and the corresponding relationship of time interval generate F data-signal in string, wherein every in the F data-signal It is corresponding for a Bit String with the time interval at the beginning of an adjacent upper signal at the beginning of a data-signal Time interval, F >=1 and F are natural number, and the frequency conversion request signal includes the F data-signal, the F data-signal Transmit new time parameter mark.
The second object of the present invention is to provide a kind of communication means, comprising: from communication device according to principal communication device The default communication rate information negotiated in advance determines the current time parameter of data transmission；It is described to work as according to from communication device Preceding time parameter receives the parameter acquisition request signal that the principal communication device is sent, and obtains locally-supported traffic rate letter Breath, and according under the current time parameter 2NA length, which is that each Bit String is corresponding with time interval in the Bit String of N, closes System's transmission parameter obtains response signal to the principal communication device, and the parameter acquisition response signal carries described from communication dress Set the communication rate information of support；It is described that the principal communication device transmission is received according to the current time parameter from communication device Frequency conversion request signal, and obtain the corresponding Bit String of each time interval in the frequency conversion request signal, wherein the change The corresponding Bit String of each time interval in frequency request signal indicates the new traffic rate letter that the principal communication device is supported Breath；The new time parameter for determining data transmission according to the new communication rate information from communication device, and according to described 2 under current time parameterNA length is that each Bit String and the corresponding relationship of time interval send frequency conversion response in the Bit String of N Signal is to the principal communication device；The finger agreed to using the new communication rate information is carried in the frequency conversion response signal It is described to be obtained 2 under new time parameter from communication device according to the new time parameter in the case where showing informationNA length is N's The corresponding relationship of each Bit String and time interval in Bit String, and data-signal to be sent is sent according to the corresponding relationship, Alternatively, receiving the data-signal that the principal communication device is sent according to the new time parameter, and obtain the data letter received The corresponding Bit String of each time interval in number, wherein 2NA Bit String is different, and the different Bit Strings pair The time interval answered is different, N >=1.
Wherein, the method also includes: carry and disagreed using the new communication speed in the frequency conversion response signal In the case where the instruction information of rate information, it is described from communication device according under the current time parameter 2NA length is the ratio of N Each Bit String and the corresponding relationship of time interval send the data-signal to be sent in spy's string, alternatively, being worked as according to described Preceding time parameter receives the data-signal that the principal communication device is sent, and each in the data-signal received described in acquisition The corresponding Bit String of time interval.
Wherein, the new communication rate information includes the new time parameter；The frequency conversion request signal includes: to be used for Transmit F data-signal of the new time parameter, wherein the F data-signal is by the principal communication device according to described 2 under current time parameterNA length is that each Bit String and the corresponding relationship of time interval generate in the Bit String of N, wherein institute Time interval at the beginning of stating at the beginning of each data-signal in F data-signal with an adjacent upper signal For the corresponding time interval of a Bit String, F >=1 and F are natural number；It is described from communication device according to the current time parameter The frequency conversion request signal that the principal communication device is sent is received, and obtains each time interval pair in the frequency conversion request signal The Bit String answered, comprising: it is described that the F data-signal is received according to the current time parameter from communication device, and according to In the F data-signal at the beginning of each data-signal between time interval obtain the new traffic rate letter Breath.
Wherein, the new communication rate information includes new time parameter mark；The frequency conversion request signal includes: to be used for F data-signal of the new time parameter mark is transmitted, the F data-signal is worked as by the principal communication device according to described 2 under preceding time parameterNA length is that each Bit String and the corresponding relationship of time interval generate in the Bit String of N, wherein described At the beginning of each data-signal in F data-signal with an adjacent upper signal at the beginning of time interval be The corresponding time interval of one Bit String, F >=1 and F are natural number；It is described to be connect from communication device according to the current time parameter The frequency conversion request signal that the principal communication device is sent is received, and it is corresponding to obtain each time interval in the frequency conversion request signal Bit String, comprising: it is described that the F data-signal is received according to the current time parameter from communication device, and according to institute The time interval stated in F data-signal between at the beginning of each data-signal obtains the new communication rate information, Wherein, the new communication rate information includes the new time parameter mark；It is described according to the new communication rate information The new time parameter for determining data transmission includes: to search the new time parameter in preset table to identify the corresponding new time Parameter.
Wherein, the communication rate information locally-supported from communication device includes: described locally-supported from communication device Data transmission period parameter area；The transmission frequency conversion response signal is to the principal communication device, comprising: described to fill from communication Set judge the new time parameter whether in the data transmission period parameter area locally-supported from communication device, if It is then to send the frequency conversion response signal to the principal communication device, and the frequency conversion response signal carries agreement using institute The instruction information of new communication rate information is stated, otherwise, sends the frequency conversion response signal to the principal communication device, and described Frequency conversion response signal carries the instruction information disagreed using the new communication rate information；
Alternatively, the communication rate information locally-supported from communication device includes: described locally-supported from communication device Data transmission period parameter list；The transmission frequency conversion response signal is to the principal communication device, comprising: fills described from communication It sets and searches whether that there are the new time parameters in locally-supported data transmission period parameter list and sent if found The frequency conversion response signal is to the principal communication device, and the frequency conversion response signal carries agreement and uses the new communication Otherwise the instruction information of rate information sends the frequency conversion response signal to the principal communication device, and frequency conversion response letter Number carry the instruction information disagreed using the new communication rate information.
The third object of the present invention is to provide a kind of communication device, comprising: traffic rate control module, for according to silent Recognize communication rate information and determine the current time parameter of data transmission, and triggers sending module and execute and join according to the current time Number sends the operation of parameter acquisition request signal；Sending module, for according under the current time parameter 2NA length is N's Each Bit String and the corresponding relationship of time interval send parameter acquisition request signal extremely from communication device in Bit String；Receive mould Block obtains response signal for receiving the parameter returned from communication device according to the current time parameter, and obtains institute State the corresponding Bit String of each time interval in parameter acquisition response signal, wherein the parameter obtains in response signal The corresponding Bit String instruction communication rate information supported from communication device of each time interval；The traffic rate control Module is also used to select a locally-supported new traffic rate according to the communication rate information supported from communication device Information, and trigger the sending module and execute the operation for sending frequency conversion request signal according to the current time parameter；The hair Module is sent, is also used to according to 2 under the current time parameterNA length is each Bit String and time interval in the Bit String of N Corresponding relationship send frequency conversion request signal to described from communication device, the frequency conversion request signal carries the new communication Rate information；The receiving module is also used to receive the frequency conversion returned from communication device according to the current time parameter Response signal；The traffic rate control module, each time interval for being also used to obtain in the frequency conversion response signal are corresponding Bit String；And the corresponding Bit String instruction of each time interval in the frequency conversion response signal is agreed to using described new In the case where communication rate information, the new time parameter of data transmission is determined according to the new communication rate information；According to institute New time parameter is stated to obtain 2 under new time parameterNA length, which is that each Bit String is corresponding with time interval in the Bit String of N, closes System, and the sending module is triggered according under the new time parameter 2NA length be N Bit String in each Bit String and when Between the corresponding relationship that is spaced send data-signal to be sent, alternatively, receive the receiving module transmission according to the new time The data-signal sent from communication device that parameter receives, and obtain between each time in the data-signal that receives Every corresponding Bit String, wherein 2NA Bit String is different, and the corresponding time interval of the different Bit Strings is not Together, N >=1；The sending module is also used to according to 2 under the new time parameterNA length is each bit in the Bit String of N String and the corresponding relationship of time interval send the data-signal to be sent；The receiving module, be also used to according to it is described new when Between parameter receive the data-signal sent from communication device, and be transmitted to the traffic rate control module.
Wherein, the traffic rate control module, each time interval pair being also used in the frequency conversion response signal The Bit String instruction answered is disagreed using in the case where the new communication rate information, is obtained according to the current time parameter 2 under current time parameterNA length is the corresponding relationship of each Bit String and time interval in the Bit String of N, and described in triggering Sending module is according under the current time parameter 2NA length is that each Bit String is corresponding with time interval in the Bit String of N Relationship sends data-signal to be sent, alternatively, receiving receiving according to the current time parameter for the receiving module transmission The data-signal sent from communication device, and obtain the corresponding ratio of each time interval in the data-signal that receives Spy's string；The sending module is also used to according to 2 under the current time parameterNA length is each Bit String in the Bit String of N The data-signal to be sent is sent with the corresponding relationship of time interval；The receiving module, be also used to according to it is described current when Between parameter receive the data-signal sent from communication device, and be transmitted to the traffic rate control module.
Wherein, the new communication rate information includes the new time parameter；The communication device further include: signal produces Raw module is used in the sending module transmission frequency conversion request signal to described before communication device, generates the change Frequency request signal；The signal generator module generates the frequency conversion request signal in the following manner: transmitting according to the data Current time parameter under 2NA length is that each Bit String and the corresponding relationship of time interval generate F number in the Bit String of N It is believed that number, wherein at the beginning of each data-signal in the F data-signal with the beginning of an adjacent upper signal The time interval at moment is the corresponding time interval of a Bit String, F >=1 and F for natural number, and the frequency conversion request signal includes The F data-signal, new time parameter described in the F data signal transmission.
Wherein, the new communication rate information includes new time parameter mark；The communication device further include: signal produces Raw module is used in the sending module transmission frequency conversion request signal to described before communication device, generates the change Frequency request signal；The signal generator module generates the frequency conversion request signal in the following manner: transmitting according to the data Current time parameter under 2NA length is that each Bit String and the corresponding relationship of time interval generate F number in the Bit String of N It is believed that number, wherein at the beginning of each data-signal in the F data-signal with the beginning of an adjacent upper signal The time interval at moment is the corresponding time interval of a Bit String, F >=1 and F for natural number, and the frequency conversion request signal includes The F data-signal, the new time parameter mark of F data signal transmission.
The fourth object of the present invention is to provide a kind of communication device, comprising: traffic rate control module, for according to The default communication rate information that principal communication device is negotiated in advance determines the current time parameter of data transmission；Receiving module is used for The parameter acquisition request signal that the principal communication device is sent is received according to the current time parameter；The traffic rate control Module is also used to after the parameter acquisition request signal that the receiving module receives that the principal communication device is sent, and is obtained local The communication rate information of support；Sending module, for according under the current time parameter 2NA length is each in the Bit String of N A Bit String and the corresponding relationship of time interval send parameter and obtain response signal to the principal communication device, and the parameter obtains Response signal carries the locally-supported communication rate information；The receiving module is also used to according to the current time Parameter receives the frequency conversion request signal that the principal communication device is sent；The traffic rate control module is also used to obtain described The corresponding Bit String of each time interval in frequency conversion request signal, wherein between each time in the frequency conversion request signal The new communication rate information that the principal communication device is supported is indicated every corresponding Bit String, and according to the new traffic rate Information determines the new time parameter of data transmission；The sending module is also used to according to 2 under the current time parameterNIt is a long Degree is that each Bit String and transmission frequency conversion response signal to the principal communication of the corresponding relationship of time interval fill in the Bit String of N It sets；The traffic rate control module is also used to carry in the frequency conversion response signal and agree to using the new communication speed In the case where the instruction information of rate information, obtained 2 under new time parameter according to the new time parameterNA length is the bit of N The corresponding relationship of each Bit String and time interval in string, and the sending module is triggered according under the new time parameter 2NIt is a Length is that each Bit String and the corresponding relationship of time interval send data-signal to be sent in the Bit String of N, alternatively, receiving institute The data-signal that the principal communication device of receiving module transmission received according to the new time parameter is sent is stated, and is obtained The corresponding Bit String of each time interval in the data-signal received, wherein 2NA Bit String is different, and not With the Bit String, corresponding time interval is different, N >=1；The sending module is also used to according to 2 under the new time parameterN A length is that each Bit String and the corresponding relationship of time interval send the data-signal to be sent in the Bit String of N；It is described Receiving module is also used to receive the data-signal that the principal communication device is sent according to the new time parameter, and is transmitted to institute State traffic rate control module.
Wherein, the traffic rate control module, is also used to carry in the frequency conversion response signal and disagrees using institute In the case where the instruction information for stating new communication rate information, obtained 2 under current time parameter according to the current time parameterN A length is the corresponding relationship of each Bit String and time interval in the Bit String of N, and triggers the sending module according to described 2 under current time parameterNA length is that each Bit String and the corresponding relationship of time interval send number to be sent in the Bit String of N It is believed that number, alternatively, receiving the principal communication device of the receiving module transmission received according to the current time parameter The data-signal of transmission, and obtain the corresponding Bit String of each time interval in the data-signal received；The transmission mould Block is also used to according to 2 under the current time parameterNA length is pair of each Bit String and time interval in the Bit String of N It should be related to and send the data-signal to be sent；The receiving module is also used to according to current time parameter reception The data-signal that principal communication device is sent, and it is transmitted to the traffic rate control module.
Wherein, the new communication rate information includes the new time parameter；The frequency conversion request signal includes: to be used for Transmit F data-signal of the new time parameter, wherein the F data-signal is by the principal communication device according to described 2 under current time parameterNA length is that each Bit String and the corresponding relationship of time interval generate in the Bit String of N, wherein institute Time interval at the beginning of stating at the beginning of each data-signal in F data-signal with an adjacent upper signal For the corresponding time interval of a Bit String, F >=1 and F are natural number；The receiving module receives the master in the following manner The frequency conversion request signal that communication device is sent: the receiving module F number received according to the current time parameter it is believed that Number；Each time interval that the traffic rate control module is obtained in the following manner in the frequency conversion request signal is corresponding Bit String, and the new time parameter that data are transmitted is determined according to the new communication rate information: according to the F data-signal In at the beginning of each data-signal between time interval obtain the new time parameter.
Wherein, the new communication rate information includes new time parameter mark；The frequency conversion request signal includes: to be used for F data-signal of the new time parameter mark is transmitted, the F data-signal is worked as by the principal communication device according to described 2 under preceding time parameterNA length is that each Bit String and the corresponding relationship of time interval generate in the Bit String of N, wherein described At the beginning of each data-signal in F data-signal with an adjacent upper signal at the beginning of time interval be The corresponding time interval of one Bit String, F >=1 and F are natural number；It is logical that the receiving module receives the master in the following manner The frequency conversion request signal that T unit is sent: the F data-signal is received according to the current time parameter；The traffic rate Control module obtains the corresponding Bit String of each time interval in the frequency conversion request signal in the following manner, and according to institute State the new time parameter that new communication rate information determines data transmission: according to each data-signal in the F data-signal At the beginning of between time interval obtain new time parameter mark, the new time parameter mark pair is searched in preset table The new time parameter answered.
Wherein, communication device further include: inquiry judging module, in which: the locally-supported communication rate information packet It includes: the locally-supported data transmission period parameter area, the inquiry judging module, for judging the new time parameter Whether in the locally-supported data transmission period parameter area；Alternatively, the locally-supported communication rate information packet It includes: described to set locally-supported data transmission period parameter list, the inquiry judging module, in the locally-supported number According to searching whether that there are the new time parameters in transmission time parameter list；Described in the sending module is sent in the following manner Frequency conversion response signal is to the principal communication device: if the inquiry judging result of the inquiry judging module be it is yes, to transmission The frequency conversion response signal is to the principal communication device, and the frequency conversion response signal carries agreement and uses the new communication The instruction information of rate information, if the inquiry judging result of the inquiry judging module be it is no, to the principal communication device It returns to the frequency conversion response signal and the frequency conversion response signal is carried and disagreed using the new communication rate information Indicate information.
The fifth object of the present invention is to provide a kind of communication system, comprising: principal communication device and from communication device, In, the principal communication device uses the communication device as described in the third object of the present invention；It is described to be used such as from communication device Communication device described in the fourth object of the present invention.
It as seen from the above technical solution provided by the invention, can be main logical in the case where not interrupting data transmission T unit obtains the communication rate information supported from communication device, and new communication rate information is therefrom selected to carry out traffic rate Transformation sends frequency conversion request signal to from communication device by principal communication device, is agreeing to ask using the frequency conversion from communication device In the case where seeking the new communication rate information carried in signal, master and slave communication device is obtained according to the new communication rate information The new time parameter of data transmission and the reception and/or transmission of data are carried out using the new time parameter, ensure compliance with from While the business demand of communication equipment, the adjustment of the messaging parameter of master-slave communication device is completed, communication efficiency is improved.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is the flow chart for the communication means that the embodiment of the present invention 1 provides；
Fig. 2 is the flow chart for another communication means that the embodiment of the present invention 2 provides；
Fig. 3 is the flow chart for another communication means that the embodiment of the present invention 3 provides；
Fig. 4 is also a kind of flow chart of communication means that the embodiment of the present invention 4 provides；
Fig. 5 is the structural schematic diagram for the communication system that the embodiment of the present invention 5 provides；
Fig. 6 is the structural schematic diagram for the principal communication device that the embodiment of the present invention 5 provides；
Fig. 7 is the structural schematic diagram for the slave communication device that the embodiment of the present invention 5 provides.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this The embodiment of invention, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, belongs to protection scope of the present invention.
The embodiment of the present invention is described in further detail below in conjunction with attached drawing.
Embodiment 1
Fig. 1 shows a kind of flow chart of communication means provided in an embodiment of the present invention；This method comprises:
S101, principal communication device determine the current time parameter of data transmission according to default communication rate information；
In the present embodiment, principal communication device with from communication device can negotiate the communication rate information both supported in advance As default communication rate information, alternatively, communication equipment default setting has the minimum communication rate information of support, in order to guarantee Compatibility, the communication rate information that general communication equipment all supports this minimum, therefore, and in the case where no negotiation, default The minimum communication rate information of the default setting is the default communication rate information.Wherein, communication rate information can be use The time parameter or time parameter mark of user data transmission, time parameter mark are corresponded with time parameter.It is optional , which may include two time parameters, first time parameter etu and the second time parameter pdt.In the present invention In, which is used to describe the time span occupied when data transmission.In the present embodiment, if default communication rate information It is the time parameter mark of data transmission, can be identified according to the time parameter and find corresponding current time parameter.
S102, according under current time parameter 2NA length is pair of each Bit String and time interval in the Bit String of N It should be related to and send parameter acquisition request signal extremely from communication device, wherein 2NA Bit String is different, and different Bit Strings pair The time interval answered is different, N >=1；
In the present embodiment, principal communication device initiates frequency conversion request (i.e. transformation traffic rate) in advance, it is necessary to first to from communication Device obtains the communication rate information supported from communication device to therefrom select the traffic rate both supported, and the parameter Acquisition request signal can indicate to return to its communication rate information supported from communication device to principal communication device.
In the present embodiment, principal communication device can be terminal, reader device, for example can be e-payment from communication device Equipment (for example, electric signing tools key, smart card, key card in-one device etc.).
In the present embodiment, parameter acquisition request signal is indicated by specific bit string sequence, and Bit String have it is corresponding Time interval, the corresponding time interval of different Bit Strings is different, thus, it is possible to according to the Bit String sequence of parameter acquisition request signal Column can be using the corresponding time interval of each Bit String come configured transmission acquisition request signal.
For example, when by taking N=1 as an example, 2NA length is that each Bit String refers to 0,1 in the Bit String of N, is joined according to the new time Number obtains 2 under new time parameterNA length is the corresponding relationship of each Bit String and time interval in the Bit String of N, be can wrap Include 0=etu, 1=etu+pdt, wherein 0=etu expression uses time interval for the signal transmitted data Bit String 0,1=of etu Etu+pdt expression uses time interval for the signal transmitted data Bit String 1 of etu+pdt.
When for another example, by taking N=2 as an example, 2NA length is that each Bit String refers to 00,01,10,11 in the Bit String of N, according to New time parameter obtains 2 under new time parameterNA length, which is that each Bit String is corresponding with time interval in the Bit String of N, closes System, may include 00=etu, 01=etu+pdt, 10=etu+2pdt, 11=etu+3pdt, wherein 00=etu indicates to use Time interval is the signal transmitted data Bit String 00 of etu, and 01=etu+pdt expression uses time interval for the letter of etu+pdt Number transmission data bit string 01,10=etu+2pdt expression use time interval for the signal transmitted data Bit String of etu+2pdt 10,11=etu+3pdt indicate to use time interval for the signal transmitted data Bit String 11 of etu+3pdt.In the present invention, may be used The corresponding time interval of expression Bit String in the form of the multiple combinations using time parameter, it is not limited to this.
Principal communication device can be used current time parameter and carry out signal (the various signals in below step) or data It sends and receives, when principal communication device sends data according to current time parameter, by taking N=2 as an example, parameter acquisition request signal Bit sequence string be 0110, can be the data of etu+pdt with transmission time interval when needing to send sequence of data bits 0110 Signal transmits 01, and transmission time interval is the data-signal of etu+2pdt to transmit 10.When principal communication device according to it is current when Between parameter receive signal (the various signals in below step) or when data, by taking N=2 as an example, when received between be divided into etu When the data-signal of+pdt, obtain data bit string 01, when received between when being divided into the data-signal of etu+3pdt, obtain Data bit string 11, the bit string sequence received are 0111.
In the present embodiment, principal communication device is using time parameter (when new in such as current time parameter and subsequent step Between parameter) carry out signal or data send and receive all be using similar specific embodiment, the present invention relates to The content for the transmitting-receiving that principal communication device carries out signal or data using time parameter can be referring to example implementation herein.When So, the slave communication device communicated with principal communication device is also required to carry out sending and receiving for data using the current time parameter, The mode that sends and receives with principal communication device is identical.
S103, principal communication device receive the parameter returned from communication device according to current time parameter and obtain response signal, And the corresponding Bit String of each time interval obtained in response signal that gets parms, wherein parameter obtains in response signal The corresponding Bit String of each time interval indicates the communication rate information supported from communication device；
For example, when principal communication device receives parameter according to current time parameter and obtains response signal, by taking N=2 as an example, when Receive time interval be etu+pdt data-signal when, obtain data bit string 01, when received between be divided into etu+ When the data-signal of 2pdt, obtain data bit string 10, when received between when being divided into the data-signal of etu+3pdt, obtain Data bit string 11, the bit string sequence received is 011011, for example, the bit string sequence can be indicated from communication device branch The flank speed held, the traffic rate that principal communication device can be defaulted in both sides and the flank speed that should be supported from communication equipment Between obtain a locally-supported traffic rate, as new traffic rate.
In the present embodiment, as an alternative embodiment, from communication device support communication rate information include from The range for the traffic rate that communication device is supported.Alternatively, as another optional embodiment, that supports from communication device is logical Letter rate information includes one or more traffic rates supported from communication device.Wherein, traffic rate can be user data The time parameter or time parameter of transmission identify, and time parameter mark is corresponded with time parameter.Optionally, this when Between parameter may include first time parameter etu and the second time parameter pdt, in the present invention, which is used to describe The time span that data occupy when transmitting.For the first optional embodiment, illustratively, that supports from communication device is logical The range for believing rate is data transmission period parameter area, for example, edu range is 1us-100us, pdt range is 0.1us- 10us.As a result, in subsequent steps, principal communication device can freely choose its branch out of this data transmission period parameter area The new traffic rate held, to complete the transformation of traffic rate.For second of optional embodiment, illustratively, one Or multiple traffic rates supported from communication device can be indicated with the data transmission period parameter list supported from communication device, For example, see the table below:
Time parameter mark edu(us) pdt(us)
0 100 10
1 50 5
2 10 1
In this way, principal communication device is just from communication device by sending the data transmission period parameter list to principal communication device The whole traffic rates supported from communication device can be obtained, as a result, in subsequent steps, principal communication device can be from the number According to the new traffic rate for freely choosing its support in transmission time parameter list, to complete the transformation of traffic rate.
S104, principal communication device according to the communication rate information supported from communication device select one it is locally-supported new Communication rate information, and according under current time parameter 2NA length is each Bit String and time interval in the Bit String of N Corresponding relationship sends frequency conversion request signal to from communication device, and frequency conversion request signal carries new communication rate information；
Wherein, new communication rate information can be the new time parameter transmitted for data, or new time parameter mark Know, which corresponds with new time parameter.
Wherein, include two kinds of the communication rate information corresponding to the support returned from communication device to same principal communication device Optional embodiment, principal communication device from according to the communication rate information supported from communication device select one it is locally-supported new Communication rate information can also include at least following two optional embodiment:
Mode one: if from communication device return communication rate information be the traffic rate supported from communication device model It encloses as data transmission period parameter area, then, new communication rate information is main communication device from the transmission time parameter The locally-supported transmission time parameter area selected in range.
For example, being from the range that the communication rate information that communication device returns is the traffic rate supported from communication device Data transmission period parameter area, for example, edu range is 1us-100us, pdt range is 0.1us-10us, and principal communication device can Arbitrarily to select out of this parameter area, such as edu is 10us, and pdt range is 1us.
Mode one: if the communication rate information returned from communication device is one or more from the logical of communication device support Believe rate, as shown above, then, new communication rate information is what the local that main communication device is selected out of this table was also supported Transmission time parameter.
For example, principal communication device can select the 2nd grade from the transmission time parameter list, such as edu is 10us, pdt model It encloses for 1us.
Wherein, principal communication device such as can pass through to there are many modes for sending frequency conversion request signal from communication device Data-signal is sent.The transmission mode that frequency conversion request signal uses is different, this step is according to new communication rate information Determine that the mode of the new time parameter of data transmission is also different, referring specifically to the specific descriptions in Examples below.
Wherein, if principal communication device has selected the highest traffic rate from the communication rate information that communication device is supported, Communicating pair can be made to reach most fast communication speed, and then improve the efficiency of transmission data.
S105, principal communication device receive the frequency conversion response signal returned from communication device according to current time parameter, and obtain Take the corresponding Bit String of each time interval in frequency conversion response signal, and each time interval pair in frequency conversion response signal The Bit String instruction answered is agreed to determine that data pass according to new communication rate information using in the case where new communication rate information Defeated new time parameter；
Wherein, frequency conversion response signal may carry to agree or disagree with and be believed using the instruction of new communication rate information Breath, only in the case where agreeing to from communication device using new communication rate information, the traffic rate of both sides just calculate negotiate at Function, principal communication device can just carry out the transmitting-receiving of data using new communication rate information.
In the present embodiment, it may determine that from communication device and inquire whether new communication rate information belongs to its communication supported Rate information, alternatively, being agreed or disagreed with according to the rate limit that the power consumption of itself or business allow using new communication speed Rate information can ensured compliance with from communication equipment in the case where agreeing to from communication device using new communication rate information Business demand while, complete master-slave communication device traffic rate adjustment.By from the frequency conversion of communication device respond to Principal communication device feedback negotiate whether successful confirmation message (i.e. frequency conversion response), by from communication device to whether using new The confirmation of the mode of communication rate information can prevent the frequency conversion request signal of illegality equipment abduction principal communication device from distorting new The generation of the case where communication rate information, meanwhile, if disagreed from communication device according to the power consumption and demand of equipment of itself Traffic rate transformation, then, it principal communication device and can also continue to carry out data using current traffic rate from communication device Transmitting-receiving, will not influence normal data communication.
S106, principal communication device obtain 2 under new time parameter according to new time parameterNA length is each in the Bit String of N The corresponding relationship of a Bit String and time interval, and data-signal to be sent is sent according to corresponding relationship, alternatively, according to the new time Parameter receives the data-signal sent from communication device, and each time interval obtained in the data-signal received is corresponding Bit String, wherein 2NA Bit String is different, and the corresponding time interval of different Bit Strings is different, N >=1.
Wherein, new sending and receiving for data of time parameter progress, which can be used, in principal communication device may refer to step S102 In embodiment, details are not described herein again.
It, can be in the case where interrupting data transmission in the present embodiment, principal communication device is available from communication device The communication rate information of support, and new communication rate information is therefrom selected, it is sent by principal communication device to from communication device Frequency conversion request signal, the case where agreeing to from communication device using the new communication rate information carried in the frequency conversion request signal Under, master and slave communication device obtains the new time parameter of data transmission according to the new communication rate information and uses the new time Parameter carries out the reception and/or transmission of data, while ensuring compliance with from the business demand of communication equipment, completes master-slave communication The adjustment of the traffic rate of device, improves communication efficiency.
It should be noted that data transmit when use time parameter difference when, the traffic rate of acquisition is also different, passes through The purpose of frequency conversion may be implemented in adjustment time parameter.For example, the value of current time parameter is adjusted to taking for new time parameter The value of etu in current time parameter (is namely adjusted to the value of etu in new time parameter, by current time parameter by value The value of middle pdt is adjusted to the value of pdt in new time parameter), frequency conversion, which is carried out, in data transmission namely changes communication speed The optimization of the utilization of resources may be implemented in rate, for example, not needing too high traffic rate when certain application executions, can drop at this time For low communication rate to achieve the purpose that save electric energy, whens certain application executions, needs higher traffic rate, can be improved at this time Traffic rate is with the better function of realizing application.
In the present embodiment, it in S104, disagrees if frequency conversion response signal carries using new communication rate information Instruction information, after step s 104, method provided in this embodiment further include: each time in frequency conversion response signal It is spaced corresponding Bit String instruction to disagree using in the case where new communication rate information, principal communication device is according to current time 2 under parameterNA length is that each Bit String and the corresponding relationship of time interval send data letter to be sent in the Bit String of N Number, alternatively, receiving the data-signal sent from communication device according to current time parameter, and obtain in the data-signal received The corresponding Bit String of each time interval.In the present embodiment, believed if disagreed from communication device using new traffic rate Breath at least principal communication device and can also continue to carry out data transmit-receive, Bu Huiying using current traffic rate from communication device Normal data communication is rung, guarantees the continuity of both data communication.
Embodiment 2
A kind of communication means is present embodiments provided, the executing subject in this method is principal communication device in embodiment 1 Opposite equip. (i.e. from communication device), which is pair of principal communication device in the communication means that provides in embodiment 1 The correspondence process of end equipment, related content may refer to the description in embodiment 1.Fig. 2 shows provided in an embodiment of the present invention Another flow chart of communication means；This method comprises:
S201, determine that data are transmitted from communication device according to the default communication rate information negotiated in advance with principal communication device Current time parameter；
S202, the parameter acquisition request signal that principal communication device is sent is received from communication device according to current time parameter；
S203, locally-supported communication rate information is obtained from communication device, and according under current time parameter 2NIt is a long Degree is that each Bit String and the corresponding relationship of time interval send parameter acquisition response signal to principal communication dress in the Bit String of N It sets, parameter obtains response signal and carries the communication rate information supported from communication device；
Wherein, the transmitting-receiving for being carried out data using current time parameter from equipment, may refer in 1 step S102 of embodiment Description.Wherein, locally-supported communication rate information can be the range for the traffic rate supported from communication device, be also possible to One or more specific traffic rates specifically may refer to logical to what is supported from communication device in step S103 in embodiment 1 Believe the description of rate information, details are not described herein again.
S204, the frequency conversion request signal that principal communication device is sent is received from communication device according to current time parameter, and obtained Take the corresponding Bit String of each time interval in frequency conversion request signal, wherein each time interval in frequency conversion request signal The new communication rate information that corresponding Bit String instruction principal communication device is supported；
Wherein, new communication rate information can be the new time parameter transmitted for data, or new time parameter mark Know, which corresponds with new time parameter.The transmission mode that frequency conversion request signal uses is different, this step It is also different in the mode for the new time parameter for determining data transmission according to new communication rate information, referring specifically to Examples below In specific descriptions.
S205, the new time parameter for determining data transmission according to new communication rate information from communication device, and according to institute It states 2 under current time parameterNA length is that each Bit String and the corresponding relationship of time interval send frequency conversion sound in the Bit String of N Induction signal is to the principal communication device；
In the present embodiment, it may determine that from communication device and inquire whether new communication rate information belongs to its communication supported Rate information, alternatively, being agreed or disagreed with according to the rate limit that the power consumption of itself or business allow using new communication speed Rate information, by from the frequency conversion of communication device respond to principal communication device feedback negotiate whether successful confirmation message (i.e. frequency conversion Response).
As an alternative embodiment, the step of sending frequency conversion response signal to principal communication device from communication device can With after judging whether inquire new communication rate information belongs to the communication rate information that it is supported from communication device, according to judgement Query result sends corresponding frequency conversion response signal, and specific implementation can use the following two kinds:
Whether mode one judges new time parameter in the data transmission period locally-supported from communication device from communication device In parameter area, new traffic rate is used if it is, sending frequency conversion response signal and frequency conversion response signal and carrying agreement Otherwise the instruction information of information sends frequency conversion response signal and frequency conversion response signal is carried and disagreed using new communication speed The instruction information of rate information；
It in this approach, include: locally-supported from communication device from the locally-supported communication rate information of communication device Data transmission period parameter area；New communication rate information includes new time parameter, and new time parameter includes edu and pdt.
Illustratively, the data transmission period parameter area locally-supported from communication device, for example, edu range is 1us- 100us, pdt range are that 0.1us-10us judges in new time parameter respectively after obtaining new time parameter from communication device Whether edu value is within the scope of edu, and whether pdt value is within the scope of pdt, if the value of edu and the value of pdt are each In the range of, then explanation is supported to carry out data transmission according to new time parameter from communication device, then returns to frequency conversion response signal And frequency conversion response signal carries the instruction information agreed to using new communication rate information.Otherwise, such as in edu and pdt extremely There is a value less not in the range that it is corresponded to, then explanation is not supported to carry out data according to new time parameter from communication device Transmission, returns to frequency conversion response signal and frequency conversion response signal is carried to disagree and be believed using the instruction of new communication rate information Breath.
Mode two is searching whether that there are ginsengs of new time from the locally-supported data transmission period parameter list of communication device Number returns to frequency conversion response signal and frequency conversion response signal carries agreement and uses new communication rate information if found Instruction information otherwise return to frequency conversion response signal and frequency conversion response signal and carry to disagree and believed using new traffic rate The instruction information of breath.
It in this approach, include: locally-supported from communication device from the locally-supported communication rate information of communication device Data transmission period parameter list；New communication rate information includes new time parameter and/or new time parameter mark, new time ginseng Number includes edu and pdt.
Illustratively, the data transmission period parameter list supported from communication device, such as in embodiment 1 in step S102 Data transmission period parameter list.
After new time parameter is obtained from communication device, searched whether in the table comprising edu and pdt in new time parameter Value.If found, illustrate to support to carry out data transmission according to new time parameter from communication device, for example, new time ginseng Number is edu=50us, pdt=5us, can find time parameter in above-mentioned table at this time and be identified as 1 time parameter and new The identical then explanation of time parameter can carry out data transmission from communication device according to edu=50us, pdt=5us.Otherwise, explanation It does not support to carry out data transmission according to new time parameter from communication device.If found, frequency conversion response signal and change are returned Frequency response induction signal carries the instruction information agreed to using new communication rate information, otherwise, returns to frequency conversion response signal and change Frequency response induction signal carries the instruction information disagreed using new communication rate information.
It certainly, optionally, can also be from communication device when new communication rate information is identified using new time parameter Search whether that there are new time parameter marks in the data transmission period parameter list of support, if finding new time parameter mark Know, determines from communication device and support to carry out data transmission according to new time parameter.
In addition, can also be allowed according to itself power consumption or business from communication device after obtaining new time parameter Rate limit is agreed or disagreed with using new communication rate information.Although for example, can support high speed from communication device itself Communication, but be configured to only support the transformation of low-speed communication according to reasons such as power consumptions of the limitation of business permission and equipment, such as Fruit, the new time parameter of acquisition are more than the highest threshold value for allowing traffic rate to convert, then, even if new time parameter belongs to from logical The locally-supported communication rate information of T unit, can also refuse the transformation of traffic rate, return to dissenting frequency conversion response signal. In another example the frequency conversion request signal that illegality equipment kidnaps principal communication device distorts new communication rate information, and the new communication Rate information is not belonging to the communication rate information locally-supported from communication device, then can also refuse traffic rate from communication device Transformation, returns to dissenting frequency conversion response signal.So by confirming whether or not from communication device using new traffic rate The step of, it can prevent illegality equipment from kidnapping frequency conversion request signal the case where distorting new communication rate information of principal communication device Generation, meanwhile, if from communication device according to the power consumption and demand of equipment of itself disagree traffic rate transformation, It principal communication device and can also continue to carry out data transmit-receive using current traffic rate from communication device, will not influence normal Data communication.
S206, frequency conversion response signal carry agree to using new communication rate information instruction information in the case where, It is obtained 2 under new time parameter from communication device according to new time parameterNA length is each Bit String and time in the Bit String of N The corresponding relationship at interval, and data-signal to be sent is sent according to corresponding relationship, alternatively, receiving principal communication according to new time parameter The data-signal that device is sent, and obtain the corresponding Bit String of each time interval in the data-signal received, wherein 2N A Bit String is different, and the corresponding time interval of different Bit Strings is different, N >=1.
Wherein, the specific implementation of the transmission and the transmitting-receiving that carry out data using new time parameter from communication device is led to main T unit is similar, and only main body is different, specifically may refer to the description of step S102 in embodiment 1.
In the present embodiment, it can be sent from communication device to principal communication device in the case where not interrupting data transmission The communication rate information of support, so that principal communication device therefrom selects new communication rate information, by principal communication device to from Communication device sends frequency conversion request signal, and the new communication rate information carried in the frequency conversion request signal is judged from communication device Whether its communication rate information supporting or allow is belonged to, in the feelings for agreeing to use the new communication rate information from communication device Under condition, when master and slave communication device obtains the new time parameter of data transmission according to the new communication rate information and uses this new Between parameter carry out the reception and/or transmission of data it is logical to complete principal and subordinate while ensuring compliance with from the business demand of communication equipment The adjustment of the messaging parameter of the traffic rate of T unit, improves communication efficiency.
In the present embodiment, in above-mentioned steps S202-S205, before not carrying out traffic rate transformation, communicating pair The communication rate information for being all made of default carries out the transmitting-receiving of data, and the communication rate information of the default is usually that both sides support Minimum traffic rate, it is possible thereby to the compatible various equipment supported high-speed communication and support low-speed communication, and guarantee to support low speed The equipment of communication also can establish connection with the equipment for supporting high-speed communication, be communicated.
In the present embodiment, it in S205, disagrees if frequency conversion response signal carries using new communication rate information Instruction information, after step S205, method provided in this embodiment further include: carry and disagree in frequency conversion response signal In the case where instruction information using new communication rate information, from communication device according under current time parameter 2NA length is Each Bit String and the corresponding relationship of time interval send data-signal to be sent in the Bit String of N, alternatively, according to it is current when Between parameter receive the data-signal that principal communication device is sent, and it is corresponding to obtain each time interval in the data-signal that receives Bit String.In the present embodiment, if disagreed from communication device using new communication rate information, at least principal communication device and It can also continue to carry out data transmit-receive using current traffic rate from communication device, will not influence normal data communication, protect Demonstrate,prove the continuity of both data communication.
Embodiment 3
In the present embodiment, new communication rate information includes new time parameter, and is transmitted by data-signal, this reality Applying the data-signal in example is principal communication device to the frequency conversion request signal sent from communication device, which is It is generated by principal communication device according to current time parameter.Fig. 3 shows another data transmission provided in an embodiment of the present invention The flow chart of method；This method comprises:
S301, principal communication device are according under current time parameter 2NA length be N Bit String in each Bit String and when Between the corresponding relationship that is spaced send parameter acquisition request signal to from communication device；
S302, locally-supported communication rate information is obtained from communication device, according under current time parameter 2NA length Parameter, which is sent, for each Bit String in the Bit String of N and the corresponding relationship of time interval obtains response signal to principal communication device, Parameter obtains the corresponding Bit String of each time interval in response signal and indicates the communication rate information supported from communication device, Such as data transmission period parameter area or data transmission period parameter list；
S303, principal communication device according to the communication rate information supported from communication device select one it is locally-supported new Communication rate information, new communication rate information are new time parameter；
2 under the current time parameter that S304, principal communication device are transmitted according to dataNA length is each in the Bit String of N Bit String and the corresponding relationship of time interval simultaneously generate F data-signal according to corresponding relationship, wherein the F data-signal In each data-signal at the beginning of with an adjacent upper signal at the beginning of time interval be a Bit String Corresponding time interval, F >=1 and F are natural number, and frequency conversion request signal includes F data-signal, and F data signal transmission is new Time parameter.
The new time parameter of F data signal transmission is used in the present embodiment.
Current time parameter is main communication device and the time parameter that while carrying out data transmission from communication device uses. Optionally, which may include two time parameters, first time parameter etu and the second time parameter pdt.
Principal communication device obtains 2 under current time parameter according to current time parameter in this stepNA length is the bit of N In string in the corresponding relationship of each Bit String and time interval, with embodiment 1 in step S105 principal communication device according to the new time 2 under the new time parameter of gain of parameterNA length is the realization of each Bit String and the corresponding relationship of time interval in the Bit String of N Similar, details are not described herein.
Illustratively, it is obtained 2 under current time parameter in this step according to the current time parameter of data transmissionNA length F data-signal is generated for each Bit String in the Bit String of N and the corresponding relationship of time interval and according to the corresponding relationship Be accomplished by and indicated with new time parameter using sequence of data bits 00101011, when N is 2 for, at this point, 2NA length Refer to 00,01,10,11 for each Bit String in the Bit String of N, 2 under current time parameterNA length is each in the Bit String of N The corresponding relationship of a Bit String and time interval may include 00=etu, 01=etu+pdt, 10=etu+2pdt, 11=etu + 3pdt, wherein 00=etu expression uses time interval for the signal transmitted data Bit String 00 of etu, and 01=etu+pdt is indicated Use time interval for the signal transmitted data Bit String 01 of etu+pdt, 10=etu+2pdt expression uses time interval for etu The signal transmitted data Bit String 10 of+2pdt, 11=etu+3pdt indicate that time interval is used to transmit for the signal of etu+3pdt Data bit string 11.
When transmitting sequence of data bits 00101011 (namely new time parameter), carries out coding and generates 5 signals, F=5 at this time, time interval between first signal and second signal are etu, are used for transmission data bit string 00, second Time interval between a signal and third signal is etu+2pdt, is used for transmission data bit string 10, third signal and Time interval between 4th signal is etu+2pdt, is used for transmission data bit string 10, the 4th signal and the 5th letter Time interval between number is etu+3pdt, is used for transmission data bit string 11.
S305, principal communication device send F data-signal to from communication device；
For example, F data-signal can be sent in the following manner:
Obtain the sequence of data bits for indicating new time parameter；
Sequence of data bits is grouped, every group of data bit string is N-bit；
According to the corresponding relationship of acquisition, this group of data bit string is indicated with the corresponding time interval of every group of data bit string Mode sends this group of data bit string.
S306, F data-signal and according to each in F data-signal is received from communication device according to current time parameter Time interval between at the beginning of data-signal obtains new time parameter.
The F data-signal is frequency conversion request signal, is used for transmission new time parameter.
Illustratively, is indicated with new time parameter using sequence of data bits 00101011, when N is 2 for, pass through at this time F=5 can be known in step 301, after receiving 5 signals from communication device, successively between the time between 5 signals of detection Every if the time interval detected is etu, decoding show that the data bit string of transmission is 00, if the time detected Between be divided into etu+2pdt, then decoding obtain transmission data bit string be 10, if the time interval detected be etu+3pdt, Then decoding show that the data bit string of transmission is 11, so that being successively decoded according to the time order and function for receiving signal can be obtained Sequence of data bits 00101011, so as to obtain new time parameter.
S307, judge to inquire after the new time parameter belongs to locally-supported data transmission period parameter from communication device, According under current time parameter 2NA length is that each Bit String and the corresponding relationship of time interval send carrying in the Bit String of N To principal communication device, frequency conversion response signal carries to be agreed to believe using the instruction of new communication rate information frequency conversion response signal Breath；
S308, frequency conversion response signal carry agree to using new communication rate information instruction information in the case where, It principal communication device and is obtained 2 under new time parameter from communication device all in accordance with new time parameterNA length is each in the Bit String of N The corresponding relationship of a Bit String and time interval, and data-signal to be sent is sent according to corresponding relationship, alternatively, according to the new time Parameter receives the data-signal that terminal device is sent, and obtains the corresponding ratio of each time interval in the data-signal received Spy's string, wherein 2NA Bit String is different, and the corresponding time interval of different Bit Strings is different, N >=1.
Wherein, step S308 specific implementation may refer to the associated description of S106 in embodiment 1, and details are not described herein.
In the present embodiment, principal communication device and from communication device establish communication connection when consulted default Communication rate information, the communication rate information include current time parameter, the step of before step S308 in, principal communication device With from communication device be all made of current time parameter carry out data transmitting-receiving, wherein principal communication device and from communication device generate And send identical, the principal communication dress that generates and send the mode of F data-signal in the mode and step S304-S305 of data-signal The mode set and receive data-signal from communication device is identical as the mode of F data-signal is received in step S306, herein not It repeats again.
It should be noted that optional, the present embodiment in step S304, S305 principal communication device according to current time While parameter generates F data-signal (the F data-signal be used for transmission new time parameter), principal communication device can also be by According under current time parameter 2NA length be in the Bit String of N each Bit String and the corresponding relationship of time interval to filling from communicate It sets and sends other data-signals.Other data-signals be used for transmission principal communication device need be sent to from communication device other Data.Correspondingly, receiving F data-signal (F data according to current time parameter from communication device in step S306 Signal is used for transmission new time parameter) while, from communication device principal communication device can also be received according to current time parameter Other data sent.Wherein, principal communication device is generated and is sent in the mode and step S304, S305 of other data-signals and produces It gives birth to and the mode for sending F data-signal is identical, the side for other data-signals that principal communication device is sent is received from communication device Formula is identical as the reception mode of F data-signal in step S306, and details are not described herein.
It, can be in the case where interrupting data transmission in the present embodiment, principal communication device is available from communication device The communication rate information of support, and new communication rate information is therefrom selected, it is sent by principal communication device to from communication device Frequency conversion request signal, the case where agreeing to from communication device using the new communication rate information carried in the frequency conversion request signal Under, master and slave communication device obtains the new time parameter of data transmission according to the new communication rate information and uses the new time Parameter carries out the reception and/or transmission of data, while ensuring compliance with from the business demand of communication equipment, completes master-slave communication The adjustment of the traffic rate of device, improves communication efficiency.
Embodiment 4
The present embodiment and the difference of embodiment 3 are: new communication rate information includes new time parameter mark, other realities Existing process is same as Example 3, and identical content is no longer described in detail, reference can be made to the associated description of embodiment 3.
New communication rate information is also to be transmitted by data-signal in the present embodiment, and the data-signal is by principal communication Device is generated according to current time parameter.Fig. 4 shows also a kind of process of data transmission method provided in an embodiment of the present invention Figure；This method comprises:
S401, principal communication device are according under current time parameter 2NA length be N Bit String in each Bit String and when Between the corresponding relationship that is spaced send parameter acquisition request signal to from communication device；
S402, locally-supported communication rate information is obtained from communication device, according under current time parameter 2NA length Parameter, which is sent, for each Bit String in the Bit String of N and the corresponding relationship of time interval obtains response signal to principal communication device, Parameter obtains the corresponding Bit String of each time interval in response signal and indicates the communication rate information supported from communication device, Such as data transmission period parameter area or data transmission period parameter list；
S403, principal communication device according to the communication rate information supported from communication device select one it is locally-supported new Communication rate information, new communication rate information include: new time parameter and new time parameter mark；
S404, principal communication device obtain 2 under current time parameter according to the current time parameter that data are transmittedNA length is In the Bit String of N each Bit String and the corresponding relationship of time interval and according to corresponding relationship generate F data-signal, wherein It is corresponding for a Bit String with the time interval at the beginning of an adjacent upper signal at the beginning of each data-signal Time interval, F >=1 and F are natural number, and F data-signal includes that new time parameter identifies；
It in the present embodiment, is identified by the new time parameter of F data signal transmission, which is new Communication rate information.
S405, principal communication device send F data-signal to from communication device；
For example, F data-signal can be sent in the following manner:
Obtain the sequence of data bits for indicating new time parameter；Sequence of data bits is grouped, every group of data bit String is N-bit；According to the corresponding relationship of acquisition, this group of data bit string is indicated with the corresponding time interval of every group of data bit string Mode send this group of data bit string.
S406, the F data-signal that principal communication device is sent is received from communication device, and according to each in F data-signal Time interval between at the beginning of a data-signal obtains new time parameter mark, and new time parameter is searched in preset table Identify corresponding new time parameter.
Wherein, which corresponds with new time parameter.For example, new time parameter is identified as 0, correspond to New time parameter can be etu=100us, pdt=10us, when new time parameter is identified as 1, corresponding new time parameter can Think etu=10us, pdt=1us etc..Preset table is used to store new time parameter mark and the corresponding of new time parameter is closed System determines new time parameter by tabling look-up to identify according to new time parameter.
S407, judge to inquire after the new time parameter belongs to locally-supported data transmission period parameter from communication device, According under current time parameter 2NA length is that each Bit String and the corresponding relationship of time interval send carrying in the Bit String of N To principal communication device, frequency conversion response signal carries to be agreed to believe using the instruction of new communication rate information frequency conversion response signal Breath；
S408, frequency conversion response signal carry agree to using new communication rate information instruction information in the case where, It principal communication device and is obtained 2 under new time parameter from communication device all in accordance with new time parameterNA length is each in the Bit String of N The corresponding relationship of a Bit String and time interval, and according to the corresponding relationship send data-signal, alternatively, according to it is described new when Between parameter receive data-signal and the corresponding Bit String of the time interval obtained according to the time interval in data-signal, In, 2NA Bit String is different, and the corresponding time interval of the different Bit Strings is different, N >=1.
In the present embodiment, principal communication device and from communication device establish communication connection when consulted default Communication rate information, the communication rate information include current time parameter, the step of before step S408 in, principal communication device With from communication device be all made of current time parameter carry out data transmitting-receiving, wherein principal communication device and from communication device generate And send identical, the principal communication dress that generates and send the mode of F data-signal in the mode and step S404-S405 of data-signal The mode set and receive data-signal from communication device is identical as the mode of F data-signal is received in step S406, herein not It repeats again.
It should be noted that optional, the present embodiment in step S404-S405 principal communication device according to current time While parameter generates F data-signal (the F data-signal be used for transmission new time parameter), principal communication device can also be by According under current time parameter 2NA length be in the Bit String of N each Bit String and the corresponding relationship of time interval to filling from communicate It sets and sends other data-signals.Other data-signals be used for transmission principal communication device need be sent to from communication device other Data.Correspondingly, receiving F data-signal (F data according to current time parameter from communication device in step S406 Signal is used for transmission new time parameter) while, from communication device principal communication device can also be received according to current time parameter Other data sent.Wherein, principal communication device is generated and is sent in the mode and step S404 of other data-signals and generates simultaneously Send F data-signal mode it is identical, from communication device receive principal communication device send other data-signals mode and The mode that F data-signal is received in step S407 is identical, and details are not described herein.
It, can be in the case where interrupting data transmission in the present embodiment, principal communication device is available from communication device The communication rate information of support, and new communication rate information is therefrom selected, it is sent by principal communication device to from communication device Frequency conversion request signal, the case where agreeing to from communication device using the new communication rate information carried in the frequency conversion request signal Under, master and slave communication device obtains the new time parameter of data transmission according to the new communication rate information and uses the new time Parameter carries out the reception and/or transmission of data, while ensuring compliance with from the business demand of communication equipment, completes master-slave communication The adjustment of the traffic rate of device, improves communication efficiency.
Embodiment 5
The embodiment of the present invention also provides a kind of communication system, for executing above-mentioned communication means, as shown in figure 5, the system The principal communication device 10 and can from the realization of the function of communication device 20 including principal communication device 10 and from communication device 20, the system With referring to the associated description in above-described embodiment 1 to 4, details are not described herein for same or like process.In this system, principal communication dress It sets and for example can be terminal, for example can be electronic payment devices from communication device (for example, electric signing tools key, intelligence Card, key card in-one device etc.).
The system is briefly described below:
As shown in figure 5, the system includes: principal communication device 10 and from communication device 20.Wherein, principal communication device 10 is used Yu Xiangcong communication device 20 is according under current time parameter 2NA length is each Bit String and time interval in the Bit String of N Corresponding relationship sends parameter acquisition request signal, from communication device 20, obtains for receiving the parameter according to current time parameter Request signal, and locally-supported communication rate information is obtained, to principal communication device according under current time parameter 2NA length Parameter is sent for each Bit String in the Bit String of N and the corresponding relationship of time interval and obtains response signal, and parameter obtains response Signal carries the communication rate information supported from communication device；Principal communication device 10 is also used to connect according to current time parameter It receives the parameter and obtains response signal, and the corresponding Bit String of each time interval obtained in response signal that gets parms, the ratio The communication rate information that spy's string instruction is supported from communication device, selects one according to the communication rate information supported from communication device Locally-supported new communication rate information, and to from communication device according under current time parameter 2NA length is the bit of N Each Bit String and the corresponding relationship of time interval send frequency conversion request signal in string, and frequency conversion request signal carries new communication Rate information；From communication device 20, be also used to be determined according to new communication rate information data transmission new time parameter, and to Principal communication device is according under new time parameter 2NA length is the corresponding relationship of each Bit String and time interval in the Bit String of N Send frequency conversion response signal；Principal communication device 10 and from communication device 20, is also used to carry agreement in frequency conversion response signal and adopt In the case where instruction information with new communication rate information, obtained 2 under new time parameter according to new time parameterNA length is The corresponding relationship of each Bit String and time interval in the Bit String of N, and data-signal to be sent is sent according to corresponding relationship, or Person receives the data-signal that terminal device is sent according to new time parameter, and when obtaining each in the data-signal that receives Between be spaced corresponding Bit String, wherein 2NA Bit String is different, and the corresponding time interval of different Bit Strings is different, and N >= 1。
In the present embodiment, which can be in the case where interrupting data transmission, and principal communication device is available The communication rate information supported from communication device, and new communication rate information is therefrom selected, pass through principal communication device Xiang Congtong T unit sends frequency conversion request signal, agrees to from communication device using the new traffic rate carried in the frequency conversion request signal In the case where information, master and slave communication device obtains the new time parameter of data transmission according to the new communication rate information and makes The reception and/or transmission that data are carried out with the new time parameter, it is complete while ensuring compliance with from the business demand of communication equipment At the adjustment of the traffic rate of master-slave communication device, communication efficiency is improved.
Principal communication device 10 is briefly described below:
As shown in fig. 6, principal communication device 10 includes: traffic rate control module 101, sending module 102 and receiving module 103, in which:
Traffic rate control module 101, for determining that the current time of data transmission is joined according to default communication rate information Number, and trigger sending module 102 and execute the operation for sending parameter acquisition request signal according to current time parameter；Sending module 102, for according under current time parameter 2NA length is the corresponding relationship of each Bit String and time interval in the Bit String of N Parameter acquisition request signal is sent extremely from communication device；Receiving module 103 is filled for being received according to current time parameter from communication The parameter for setting return obtains response signal, and the corresponding Bit String of each time interval obtained in response signal that gets parms, Wherein, parameter obtains the corresponding Bit String of each time interval in response signal and indicates the traffic rate supported from communication device Information；Traffic rate control module 101 is also used to select this twelve Earthly Branches according to the communication rate information supported from communication device The new communication rate information held, and trigger sending module 102 and execute according to current time parameter transmission frequency conversion request signal Operation；Sending module 102 is also used to according under current time parameter 2NA length be N Bit String in each Bit String and when Between the corresponding relationship that is spaced send frequency conversion request signal to from communication device, frequency conversion request signal carries new traffic rate letter Breath；Receiving module 103 is also used to receive the frequency conversion response signal returned from communication device according to current time parameter；Communication speed Rate control module 101 is also used to obtain the corresponding Bit String of each time interval in frequency conversion response signal；And it is responded in frequency conversion The corresponding Bit String instruction of each time interval in signal is agreed in the case where using new communication rate information, according to new Communication rate information determines the new time parameter of data transmission；It is obtained 2 under new time parameter according to new time parameterNA length is The corresponding relationship of each Bit String and time interval in the Bit String of N, and sending module is triggered according under new time parameter 2NIt is a Length is that each Bit String and the corresponding relationship of time interval send data-signal to be sent in the Bit String of N, alternatively, connecing The data-signal that the slave communication device of module transfer received according to new time parameter is sent is received, and obtains the data received The corresponding Bit String of each time interval in signal, wherein 2NA Bit String is different, and when different Bit String is corresponding Between be spaced different, N >=1；Sending module 102 is also used to according to 2 under new time parameterNA length is each ratio in the Bit String of N Spy's string and the corresponding relationship of time interval send data-signal to be sent；Receiving module 103 is also used to be connect according to new time parameter The data-signal sent from communication device is received, and is transmitted to traffic rate control module.
It, can be in the case where interrupting data transmission in the present embodiment, principal communication device is available from communication device The communication rate information of support, and new communication rate information is therefrom selected, it is sent by principal communication device to from communication device Frequency conversion request signal, the case where agreeing to from communication device using the new communication rate information carried in the frequency conversion request signal Under, master and slave communication device obtains the new time parameter of data transmission according to the new communication rate information and uses the new time Parameter carries out the reception and/or transmission of data, while ensuring compliance with from the business demand of communication equipment, completes master-slave communication The adjustment of the traffic rate of device, improves communication efficiency.
As an alternative embodiment, traffic rate control module 101, is also used to each in frequency conversion response signal The corresponding Bit String instruction of a time interval is disagreed using in the case where new communication rate information, according to current time parameter It obtains 2 under current time parameterNA length is the corresponding relationship of each Bit String and time interval in the Bit String of N, and triggers Sending module 102 is according under current time parameter 2NA length is that each Bit String is corresponding with time interval in the Bit String of N Relationship sends data-signal to be sent, alternatively, receive that receiving module 103 transmits according to current time parameter receive from logical The data-signal that T unit is sent, and obtain the corresponding Bit String of each time interval in the data-signal received；It sends Module 102 is also used to according under current time parameter 2NA length is pair of each Bit String and time interval in the Bit String of N It should be related to and send data-signal to be sent；Receiving module 103 is also used to be received according to current time parameter from communication device transmission Data-signal, and be transmitted to traffic rate control module.
In the present embodiment, frequency conversion response signal may carry the finger agreed or disagreed with using new communication rate information Show information, only in the case where agreeing to from communication device using new communication rate information, the traffic rate of both sides just calculates association Quotient's success, principal communication device can just carry out the transmitting-receiving of data using new communication rate information.If from communication device difference Meaning uses new communication rate information, at least principal communication device and can also continue to from communication device using current traffic rate Data transmit-receive is carried out, will not influence normal data communication, guarantees the continuity of both data communication.
As an alternative embodiment, new communication rate information includes new time parameter；As shown in fig. 6, main logical T unit 10 further include: signal generator module 104, for sending frequency conversion request signal extremely from communication device in sending module 102 Before 20, frequency conversion request signal is generated；
Signal generator module 104 generates frequency conversion request signal in the following manner: joining according to the current time of data transmission Several lower 2NA length is that each Bit String and the corresponding relationship of time interval generate F data-signal in the Bit String of N, wherein F At the beginning of each data-signal in a data-signal with an adjacent upper signal at the beginning of time interval be The corresponding time interval of one Bit String, F >=1 and F are natural number, and frequency conversion request signal includes F data-signal, F data Signal transmits new time parameter.
As an alternative embodiment, new communication rate information includes new time parameter mark；Signal generates mould Block 104 generates frequency conversion request signal for sending frequency conversion request signal to before communication device 20 in sending module 102；
Signal generator module 104 generates frequency conversion request signal in the following manner: joining according to the current time of data transmission Several lower 2NA length is that each Bit String and the corresponding relationship of time interval generate F data-signal in the Bit String of N, wherein F At the beginning of each data-signal in a data-signal with an adjacent upper signal at the beginning of time interval be The corresponding time interval of one Bit String, F >=1 and F are natural number, and frequency conversion request signal includes F data-signal, F data Signal transmits new time parameter mark.
It is briefly described below to from communication device 20:
As shown in fig. 7, from communication device 20 include: traffic rate control module 201, sending module 202, receiving module 203, in which:
Traffic rate control module 201, for according to the default communication rate information negotiated in advance with principal communication device 10 Determine the current time parameter of data transmission；Receiving module 203 is sent out for receiving principal communication device 10 according to current time parameter The parameter acquisition request signal sent；Traffic rate control module 201 is also used to receive principal communication device hair in receiving module 203 After the parameter acquisition request signal sent, locally-supported communication rate information is obtained；Sending module 202, for according to it is current when Between 2 under parameterNA length is that each Bit String and the corresponding relationship of time interval send parameter acquisition response letter in the Bit String of N Number to principal communication device 10, parameter obtains response signal and carries locally-supported communication rate information；Receiving module 203, also For receiving the frequency conversion request signal that principal communication device 10 is sent according to current time parameter；Traffic rate control module 201, also For obtaining the corresponding Bit String of each time interval in frequency conversion request signal, wherein when each in frequency conversion request signal Between be spaced the new communication rate information that corresponding Bit String instruction principal communication device is supported, and according to new communication rate information Determine the new time parameter of data transmission；Sending module 202 is also used to according under current time parameter 2NA length is the ratio of N Each Bit String and the corresponding relationship of time interval send frequency conversion response signal to principal communication device 10 in spy's string；Traffic rate control Molding block is also used in the case where frequency conversion response signal carries the instruction information for agreeing to use new communication rate information, It is obtained 2 under new time parameter according to new time parameterNA length is that each Bit String is corresponding with time interval in the Bit String of N Relationship, and sending module 202 is triggered according under new time parameter 2NA length is for each Bit String in the Bit String of N and between the time Every corresponding relationship send data-signal to be sent, alternatively, receive that receiving module 203 transmits receives according to new time parameter The data-signal that sends of principal communication device, and obtain the corresponding bit of each time interval in the data-signal that receives String, wherein 2NA Bit String is different, and the corresponding time interval of different Bit Strings is different, N >=1；Sending module 202, also For according under new time parameter 2NA length be in the Bit String of N each Bit String and the corresponding relationship of time interval send to Send data-signal；Receiving module 201 is also used to receive the data-signal that principal communication device is sent according to new time parameter, and It is transmitted to traffic rate control module 201.
In the present embodiment, it can be sent from communication device to principal communication device in the case where not interrupting data transmission The communication rate information of support, so that principal communication device therefrom selects new communication rate information, by principal communication device to from Communication device sends frequency conversion request signal, and the new communication rate information carried in the frequency conversion request signal is judged from communication device Whether its communication rate information supporting or allow is belonged to, in the feelings for agreeing to use the new communication rate information from communication device Under condition, when master and slave communication device obtains the new time parameter of data transmission according to the new communication rate information and uses this new Between parameter carry out the reception and/or transmission of data it is logical to complete principal and subordinate while ensuring compliance with from the business demand of communication equipment The adjustment of the messaging parameter of the traffic rate of T unit, improves communication efficiency.
As an alternative embodiment, traffic rate control module 201, is also used to carry in frequency conversion response signal In the case where disagreeing the instruction information using new communication rate information, current time parameter is obtained according to current time parameter Lower 2NA length is the corresponding relationship of each Bit String and time interval in the Bit String of N, and triggers sending module 202 according to working as 2 under preceding time parameterNA length is that each Bit String and the corresponding relationship of time interval send data to be sent in the Bit String of N Signal, alternatively, receiving the data letter that the principal communication device received according to current time parameter that receiving module 203 transmits is sent Number, and obtain the corresponding Bit String of each time interval in the data-signal received；Sending module 202, be also used to according to 2 under current time parameterNA length is that each Bit String and the corresponding relationship of time interval send number to be sent in the Bit String of N It is believed that number；Receiving module 203 is also used to receive the data-signal that principal communication device 10 is sent according to current time parameter, and passes Transport to traffic rate control module 201.
As an alternative embodiment, new communication rate information includes new time parameter；Frequency conversion request signal packet It includes: being used for transmission F data-signal of new time parameter, wherein F data-signal is joined by principal communication device according to current time Several lower 2NA length is that each Bit String and the corresponding relationship of time interval generate in the Bit String of N, wherein F data-signal In each data-signal at the beginning of with an adjacent upper signal at the beginning of time interval be a Bit String Corresponding time interval, F >=1 and F are natural number；
Receiving module 203 receive in the following manner principal communication device transmission frequency conversion request signal: receiving module according to Current time parameter receives F data-signal；
Each time interval that traffic rate control module 201 obtains in frequency conversion request signal in the following manner is corresponding Bit String, and the new time parameter that data are transmitted is determined according to new communication rate information: according to number each in F data-signal It is believed that number at the beginning of between time interval obtain new time parameter.
As an alternative embodiment, new communication rate information includes new time parameter mark；Frequency conversion request letter Number include: F data-signal for being used for transmission new time parameter mark, F data-signal by principal communication device according to it is current when Between 2 under parameterNA length is that each Bit String and the corresponding relationship of time interval generate in the Bit String of N, wherein F data At the beginning of each data-signal in signal with an adjacent upper signal at the beginning of time interval be a ratio Spy goes here and there corresponding time interval, F >=1 and F as natural number；
Receiving module 203 receives the frequency conversion request signal of principal communication device transmission in the following manner: according to current time Parameter receives F data-signal；
Each time interval that traffic rate control module 201 obtains in frequency conversion request signal in the following manner is corresponding Bit String, and the new time parameter that data are transmitted is determined according to new communication rate information: according to number each in F data-signal It is believed that number at the beginning of between time interval obtain new time parameter mark, new time parameter mark is searched in preset table Corresponding new time parameter.
As an alternative embodiment, as shown in fig. 7, from communication device 20 further include: inquiry judging module 204, Wherein:
Locally-supported communication rate information includes: locally-supported data transmission period parameter area, inquiry judging mould Block 204, for judging new time parameter whether in locally-supported data transmission period parameter area；Alternatively, locally-supported Communication rate information include: to set locally-supported data transmission period parameter list, inquiry judging module 204, in local Search whether that there are new time parameters in the data transmission period parameter list of support；
Sending module 202 sends frequency conversion response signal to principal communication device in the following manner: if inquiry judging module Inquiry judging result be it is yes, then to sending frequency conversion response signal to principal communication device, and frequency conversion response signal carries agreement Using the instruction information of new communication rate information, if the inquiry judging result of inquiry judging module 204 be it is no, to main logical T unit returns to frequency conversion response signal and frequency conversion response signal is carried to disagree and be believed using the instruction of new communication rate information Breath.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the invention Embodiment person of ordinary skill in the field understood.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, each functional unit in each embodiment of the present invention can integrate in a processing module It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer In read/write memory medium.Storage medium mentioned above can be read-only memory, disk or CD etc..

Claims (15)

1. a kind of communication means characterized by comprising
Principal communication device determines the current time parameter of data transmission according to default communication rate information；According to the current time 2 under parameterNA length is that each Bit String and the corresponding relationship of time interval send parameter acquisition request signal in the Bit String of N Extremely from communication device；
The principal communication device receives the parameter returned from communication device according to the current time parameter and obtains response letter Number, and obtaining the corresponding Bit String of each time interval in the parameter acquisition response signal, wherein the parameter, which obtains, rings The corresponding Bit String instruction communication rate information supported from communication device of each time interval in induction signal；
The principal communication device according to the communication rate information supported from communication device select one it is locally-supported new Communication rate information, and according under the current time parameter 2NA length is for each Bit String in the Bit String of N and between the time Every corresponding relationship send frequency conversion request signal to described from communication device, the frequency conversion request signal carries described new logical Believe rate information；
The principal communication device receives the frequency conversion response signal returned from communication device according to the current time parameter, and The corresponding Bit String of each time interval in the frequency conversion response signal is obtained, and each in the frequency conversion response signal The corresponding Bit String instruction of time interval is agreed in the case where using the new communication rate information, according to the new communication Rate information determines the new time parameter of data transmission；
The principal communication device obtains 2 under new time parameter according to the new time parameterNA length is each in the Bit String of N The corresponding relationship of Bit String and time interval, and data-signal to be sent is sent according to the corresponding relationship, alternatively, according to described New time parameter receives the data-signal sent from communication device, and obtains each time in the data-signal received It is spaced corresponding Bit String, wherein 2NA Bit String is different, and the corresponding time interval of the different Bit Strings is not Together, N >=1；
Wherein, the current time parameter and the new time parameter each mean that time for occupying is long when for describing data transmission Degree.
2. the method according to claim 1, wherein the new communication rate information includes the new time ginseng Number；
Described according under the current time parameter 2NA length is pair of each Bit String and time interval in the Bit String of N It should be related to and send parameter acquisition request signal extremely before communication device, the method also includes: the principal communication device generates The frequency conversion request signal；
The principal communication device generates the frequency conversion request signal, comprising: according under the current time parameter 2NA length is N Bit String in each Bit String and the corresponding relationship of time interval generate F data-signal, wherein the F data-signal In each data-signal at the beginning of with an adjacent upper signal at the beginning of time interval be a Bit String Corresponding time interval, F >=1 and F are natural number, and the frequency conversion request signal includes the F data-signal, the F number It is believed that number transmission new time parameter.
3. the method according to claim 1, wherein the new communication rate information includes new time parameter mark Know；
Described according under the current time parameter 2NA length is pair of each Bit String and time interval in the Bit String of N It should be related to and send parameter acquisition request signal extremely before communication device, the method also includes: the principal communication device generates The frequency conversion request signal；
The principal communication device generates the frequency conversion request signal, comprising: according under the current time parameter of data transmission 2N A length is that each Bit String and the corresponding relationship of time interval generate F data-signal in the Bit String of N, wherein the F At the beginning of each data-signal in data-signal with an adjacent upper signal at the beginning of time interval be one The corresponding time interval of a Bit String, F >=1 and F are natural number, and the frequency conversion request signal includes the F data-signal, institute State the new time parameter mark of F data signal transmission.
4. a kind of communication means characterized by comprising
From communication device according to the default communication rate information negotiated in advance with principal communication device determine data transmit it is current when Between parameter；
It is described that the parameter acquisition request letter that the principal communication device is sent is received according to the current time parameter from communication device Number, and locally-supported communication rate information is obtained, and according under the current time parameter 2NA length is in the Bit String of N Each Bit String and the corresponding relationship of time interval send parameter and obtain response signal to the principal communication device, and the parameter obtains Response signal is taken to carry the communication rate information supported from communication device；
It is described that the frequency conversion request signal that the principal communication device is sent is received according to the current time parameter from communication device, and Obtain the corresponding Bit String of each time interval in the frequency conversion request signal, wherein each in the frequency conversion request signal The corresponding Bit String of a time interval indicates the new communication rate information that the principal communication device is supported；
The new time parameter for determining data transmission according to the new communication rate information from communication device, and according to described 2 under current time parameterNA length is that each Bit String and the corresponding relationship of time interval send frequency conversion response in the Bit String of N Signal is to the principal communication device；
In the case where the frequency conversion response signal carries the instruction information for agreeing to use the new communication rate information, institute It states and is obtained 2 under new time parameter from communication device according to the new time parameterNA length is each Bit String in the Bit String of N With the corresponding relationship of time interval, and data-signal to be sent is sent according to the corresponding relationship, alternatively, according to the new time Parameter receives the data-signal that the principal communication device is sent, and obtains each time interval pair in the data-signal received The Bit String answered, wherein 2NA Bit String is different, and the corresponding time interval of the different Bit Strings is different, and N >= 1；
Wherein, the current time parameter and the new time parameter each mean that time for occupying is long when for describing data transmission Degree.
5. according to the method described in claim 4, it is characterized in that, the new communication rate information includes the new time ginseng Number；
The frequency conversion request signal includes: F data-signal for being used for transmission the new time parameter, wherein the F data Signal is by the principal communication device according under the current time parameter 2NA length be N Bit String in each Bit String and when Between the corresponding relationship that is spaced generate, wherein at the beginning of each data-signal in the F data-signal with it is adjacent upper Time interval at the beginning of one signal is the corresponding time interval of a Bit String, and F >=1 and F are natural number；
It is described that the frequency conversion request signal that the principal communication device is sent is received according to the current time parameter from communication device, and Obtain the corresponding Bit String of each time interval in the frequency conversion request signal, comprising: it is described from communication device according to Current time parameter receives the F data-signal, and according to each data-signal in the F data-signal at the beginning of Between time interval obtain the new communication rate information.
6. according to the method described in claim 4, it is characterized in that, the new communication rate information includes new time parameter mark Know；
The frequency conversion request signal includes: F data-signal for being used for transmission the new time parameter mark, the F data Signal is by the principal communication device according under the current time parameter 2NA length be N Bit String in each Bit String and when Between the corresponding relationship that is spaced generate, wherein at the beginning of each data-signal in the F data-signal with it is adjacent upper Time interval at the beginning of one signal is the corresponding time interval of a Bit String, and F >=1 and F are natural number；
It is described that the frequency conversion request signal that the principal communication device is sent is received according to the current time parameter from communication device, and Obtain the corresponding Bit String of each time interval in the frequency conversion request signal, comprising: it is described from communication device according to Current time parameter receives the F data-signal, and according to each data-signal in the F data-signal at the beginning of Between time interval obtain the new communication rate information, wherein when the new communication rate information includes described new Between parameter identification；
The new time parameter that data transmission is determined according to the new communication rate information includes: that institute is searched in preset table It states new time parameter and identifies the corresponding new time parameter.
7. the method according to any one of claim 4 to 6, which is characterized in that
The communication rate information locally-supported from communication device includes: the data transmission locally-supported from communication device Time parameter range；The transmission frequency conversion response signal is to the principal communication device, comprising: described from described in communication device judgement Whether new time parameter is in the data transmission period parameter area locally-supported from communication device, if it is, sending The frequency conversion response signal is to the principal communication device, and the frequency conversion response signal carries agreement and uses the new communication Otherwise the instruction information of rate information sends the frequency conversion response signal to the principal communication device, and frequency conversion response letter Number carry the instruction information disagreed using the new communication rate information；
Alternatively, the communication rate information locally-supported from communication device includes: the number locally-supported from communication device According to transmission time parameter list；The transmission frequency conversion response signal is to the principal communication device, comprising: described from communication device sheet Search whether that there are the new time parameters in the data transmission period parameter list that ground is supported, if found, described in transmission Frequency conversion response signal is to the principal communication device, and the frequency conversion response signal carries agreement and uses the new traffic rate Otherwise the instruction information of information sends the frequency conversion response signal to the principal communication device, and the frequency conversion response signal is taken With the instruction information disagreed using the new communication rate information.
8. a kind of communication device characterized by comprising
Traffic rate control module for determining the current time parameter of data transmission according to default communication rate information, and is touched It sends out sending module and executes the operation for sending parameter acquisition request signal according to the current time parameter；
Sending module, for according under the current time parameter 2NA length is for each Bit String in the Bit String of N and between the time Every corresponding relationship send parameter acquisition request signal to from communication device；
Receiving module obtains response letter for receiving the parameter returned from communication device according to the current time parameter Number, and obtaining the corresponding Bit String of each time interval in the parameter acquisition response signal, wherein the parameter, which obtains, rings The corresponding Bit String instruction communication rate information supported from communication device of each time interval in induction signal；
The traffic rate control module is also used to select a sheet according to the communication rate information supported from communication device The new communication rate information that ground is supported, and trigger the sending module execution and asked according to current time parameter transmission frequency conversion Ask the operation of signal；
The sending module is also used to according to 2 under the current time parameterNA length be N Bit String in each Bit String with The corresponding relationship of time interval sends frequency conversion request signal to described from communication device, and the frequency conversion request signal carries described New communication rate information；
The receiving module is also used to receive the frequency conversion response letter returned from communication device according to the current time parameter Number；
The traffic rate control module is also used to obtain the corresponding bit of each time interval in the frequency conversion response signal String；And the corresponding Bit String instruction of each time interval in the frequency conversion response signal is agreed to using the new communication speed In the case where rate information, the new time parameter of data transmission is determined according to the new communication rate information；According to it is described new when Between 2 under the new time parameter of gain of parameterNA length is the corresponding relationship of each Bit String and time interval in the Bit String of N, and The sending module is triggered according under the new time parameter 2NA length is each Bit String and time interval in the Bit String of N Corresponding relationship send data-signal to be sent, alternatively, receiving connecing according to the new time parameter for the receiving module transmission The data-signal sent from communication device received, and it is corresponding to obtain each time interval in the data-signal received Bit String, wherein 2NA Bit String is different, and the corresponding time interval of the different Bit Strings is different, N >=1；
The sending module is also used to according to 2 under the new time parameterNA length be N Bit String in each Bit String and when Between the corresponding relationship that is spaced send the data-signal to be sent；
The receiving module is also used to receive the data-signal sent from communication device according to the new time parameter, and It is transmitted to the traffic rate control module；
Wherein, the current time parameter and the new time parameter each mean that time for occupying is long when for describing data transmission Degree.
9. communication device according to claim 8, which is characterized in that when the new communication rate information includes described new Between parameter；
The communication device further include: signal generator module, for sending the frequency conversion request signal extremely in the sending module It is described before communication device, generate the frequency conversion request signal；
The signal generator module generates the frequency conversion request signal in the following manner: according to the data transmission it is current when Between 2 under parameterNA length is that each Bit String and the corresponding relationship of time interval generate F data-signal in the Bit String of N, In, at the beginning of each data-signal in the F data-signal with an adjacent upper signal at the beginning of when Between between be divided into the corresponding time interval of a Bit String, F >=1 and F is natural number, the frequency conversion request signal includes the F Data-signal, new time parameter described in the F data signal transmission.
10. communication device according to claim 8, which is characterized in that the new communication rate information includes the new time Parameter identification；
The communication device further include: signal generator module, for sending the frequency conversion request signal extremely in the sending module It is described before communication device, generate the frequency conversion request signal；
The signal generator module generates the frequency conversion request signal in the following manner: according to the data transmission it is current when Between 2 under parameterNA length is that each Bit String and the corresponding relationship of time interval generate F data-signal in the Bit String of N, In, at the beginning of each data-signal in the F data-signal with an adjacent upper signal at the beginning of when Between between be divided into the corresponding time interval of a Bit String, F >=1 and F is natural number, the frequency conversion request signal includes the F Data-signal, the new time parameter mark of F data signal transmission.
11. a kind of communication device characterized by comprising
Traffic rate control module, for determining that data pass according to the default communication rate information negotiated in advance with principal communication device Defeated current time parameter；
Receiving module is believed for receiving the parameter acquisition request that the principal communication device is sent according to the current time parameter Number；
The traffic rate control module is also used to receive the parameter acquisition that the principal communication device is sent in the receiving module After request signal, locally-supported communication rate information is obtained；
Sending module, for according under the current time parameter 2NA length is for each Bit String in the Bit String of N and between the time Every corresponding relationship send parameter and obtain response signal to the principal communication device, the parameter obtains response signal and carries State locally-supported communication rate information；
The receiving module is also used to receive the frequency conversion request letter that the principal communication device is sent according to the current time parameter Number；
The traffic rate control module is also used to obtain the corresponding bit of each time interval in the frequency conversion request signal String, wherein the corresponding Bit String of each time interval in the frequency conversion request signal indicates what the principal communication device was supported New communication rate information, and the new time parameter that data are transmitted is determined according to the new communication rate information；
The sending module is also used to according to 2 under the current time parameterNA length be N Bit String in each Bit String with The corresponding relationship of time interval sends frequency conversion response signal to the principal communication device；
The traffic rate control module is also used to carry in the frequency conversion response signal and agree to using the new communication speed In the case where the instruction information of rate information, obtained 2 under new time parameter according to the new time parameterNA length is the bit of N The corresponding relationship of each Bit String and time interval in string, and the sending module is triggered according under the new time parameter 2NIt is a Length is that each Bit String and the corresponding relationship of time interval send data-signal to be sent in the Bit String of N, alternatively, receiving institute The data-signal that the principal communication device of receiving module transmission received according to the new time parameter is sent is stated, and is obtained The corresponding Bit String of each time interval in the data-signal received, wherein 2NA Bit String is different, and not With the Bit String, corresponding time interval is different, N >=1；
The sending module is also used to according to 2 under the new time parameterNA length be N Bit String in each Bit String and when Between the corresponding relationship that is spaced send the data-signal to be sent；
The receiving module is also used to receive the data-signal that the principal communication device is sent according to the new time parameter, and It is transmitted to the traffic rate control module；
Wherein, the current time parameter and the new time parameter each mean that time for occupying is long when for describing data transmission Degree.
12. communication device according to claim 11, which is characterized in that the new communication rate information includes described new Time parameter；
The frequency conversion request signal includes: F data-signal for being used for transmission the new time parameter, wherein the F data Signal is by the principal communication device according under the current time parameter 2NA length be N Bit String in each Bit String and when Between the corresponding relationship that is spaced generate, wherein at the beginning of each data-signal in the F data-signal with it is adjacent upper Time interval at the beginning of one signal is the corresponding time interval of a Bit String, and F >=1 and F are natural number；
The receiving module receives the frequency conversion request signal that the principal communication device is sent: the receiving module in the following manner The F data-signal is received according to the current time parameter；
It is corresponding that the traffic rate control module obtains each time interval in the frequency conversion request signal in the following manner Bit String, and according to the new communication rate information determine data transmission new time parameter: according to the F number it is believed that In number at the beginning of each data-signal between time interval obtain the new time parameter.
13. communication device according to claim 11, which is characterized in that the new communication rate information includes the new time Parameter identification；
The frequency conversion request signal includes: F data-signal for being used for transmission the new time parameter mark, the F data Signal is by the principal communication device according under the current time parameter 2NA length be N Bit String in each Bit String and when Between the corresponding relationship that is spaced generate, wherein at the beginning of each data-signal in the F data-signal with it is adjacent upper Time interval at the beginning of one signal is the corresponding time interval of a Bit String, and F >=1 and F are natural number；
The receiving module receives the frequency conversion request signal that the principal communication device is sent in the following manner: according to described current Time parameter receives the F data-signal；
It is corresponding that the traffic rate control module obtains each time interval in the frequency conversion request signal in the following manner Bit String, and according to the new communication rate information determine data transmission new time parameter: according to the F number it is believed that In number at the beginning of each data-signal between time interval obtain new time parameter mark, searched in preset table described in New time parameter identifies the corresponding new time parameter.
14. communication device described in any one of 1 to 13 according to claim 1, which is characterized in that further include: inquiry judging mould Block, in which:
The locally-supported communication rate information includes: the locally-supported data transmission period parameter area, described to look into Judgment module is ask, for judging the new time parameter whether in the locally-supported data transmission period parameter area； Alternatively, the locally-supported communication rate information includes: the locally-supported data transmission period parameter list, the inquiry Judgment module, for searching whether that there are the new time parameters in the locally-supported data transmission period parameter list；
The sending module sends the frequency conversion response signal to the principal communication device in the following manner: if the inquiry The inquiry judging result of judgment module be it is yes, then to sending the frequency conversion response signal to the principal communication device, and the change Frequency response induction signal carries the instruction information agreed to using the new communication rate information, if the inquiry judging module Inquiry judging result be it is no, then return to the frequency conversion response signal and the frequency conversion response signal to the principal communication device and carry There is the instruction information disagreed using the new communication rate information.
15. a kind of communication system characterized by comprising principal communication device and from communication device, wherein the principal communication dress It sets using such as the described in any item communication devices of claim 8 to 10；It is described to use such as claim 11 to 14 from communication device Described in any item communication devices.
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