CN108307697A - A kind of transmission method and device of wireless data - Google Patents
A kind of transmission method and device of wireless data Download PDFInfo
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- CN108307697A CN108307697A CN201580078949.6A CN201580078949A CN108307697A CN 108307697 A CN108307697 A CN 108307697A CN 201580078949 A CN201580078949 A CN 201580078949A CN 108307697 A CN108307697 A CN 108307697A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
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Abstract
A kind of transmission method and device of wireless data are disclosed.Wherein, the transmission method of wireless data includes：Receive the service request that wireless terminal is sent；Obtain the transmission performance of wireless channel between the wireless terminal and base station；When the transmission performance of the wireless channel is good, establishes the base station and connect with the high speed of the wireless terminal；When the transmission performance difference of the wireless channel, establishes the base station and connect with the low speed of the wireless terminal.The disclosure can improve the efficiency of transmission of wireless data.
Description
The present invention relates to network communication technology field, in particular to the transmission method and device of a kind of wireless data.
As shown in Figure 1, wireless terminal can access internet by base station, and then required website is accessed, the upload download service of the contents such as video, text is obtained from related web site.
In practical application, base station can be according to the message feedback of wireless terminal, alternatively, the detection according to base station itself to interference, knows the quality condition of wireless channel between base station and wireless terminal.The specific uplink/downlink parameter of wireless terminal is determined by scheduler, such as: transimission power, modulation system or code channel etc., to meet Qos (Quality of Service, service quality) demand of customer service.
However, being easy to bring biggish fluctuation to actual transmission rate, seriously affecting the experience of wireless terminal user due to the mobility of wireless terminal and the unstability of wireless channel.For wireless terminal, when interface-free resources dtr signal, if being lifted transimission power simply to improve transmission rate, it would be possible to lead to the consequence that data transmission deteriorates in entire interface-free resources, seriously affect the efficiency of transmission of data.
Summary of the invention
The transmission method and device of a kind of wireless data are provided in the embodiment of the present invention, can be improved the efficiency of transmission of wireless data.
In order to solve the above-mentioned technical problem, the embodiment of the invention discloses following technical solutions:
In a first aspect, providing a kind of transmission method of wireless data, comprising:
Receive the service request that wireless terminal is sent；
Obtain the transmission performance of wireless channel between the wireless terminal and base station；
When the transmission performance of the wireless channel is good, establishes the base station and connect with the high speed of the wireless terminal；When the transmission performance difference of the wireless channel, establishes the base station and connect with the low speed of the wireless terminal.
With reference to the above first aspect, in the first possible implementation, it is described acquisition with the wireless terminal it
Between wireless channel transmission performance, comprising:
Obtain one or more of geographical location of the wireless terminal in base station overlay area, movement speed or the signal quality that receives base station signal parameter；
One or more of signal quality according to the geographical location, movement speed or reception base station signal parameter, estimation characterize the performance parameter numerical value of the wireless channel transmission performance；
When the performance parameter numerical value is higher than preset threshold value, it is determined that the transmission performance of the wireless channel is good；When the performance parameter numerical value is lower than the preset threshold value, it is determined that the transmission performance of the wireless channel is poor.
It is with reference to the above first aspect, in the second possible implementation, described to establish the base station and connect with the high speed of the wireless terminal, comprising:
The base station and the wireless terminal carry out the transmission of high-rate service data.
It is with reference to the above first aspect, in the third possible implementation, described to establish the base station and connect with the low speed of the wireless terminal, comprising:
Suspend the business datum transmission between the base station and the wireless terminal, the business datum for being intended to be sent to the wireless terminal is cached.
Second aspect provides a kind of transmission method of wireless data, comprising:
Service request is sent to base station；
When the transmission performance of wireless channel between the base station and wireless terminal is good, receives the high speed established between the base station and connect；When the transmission performance difference of wireless channel between the base station and wireless terminal, receives the low speed established between the base station and connect.
In conjunction with above-mentioned second aspect, in the first possible implementation, the high speed established between the receiving and the base station is connected, comprising:
The transmission of high-rate service data is carried out with the base station.
In conjunction with above-mentioned second aspect, in the second possible implementation, the low speed established between the receiving and the base station is connected, comprising:
The communication connection with the base station is kept, the base station transmission business datum is waited.
The third aspect provides a kind of wireless data transmission device, comprising:
Service request receiving module, for receiving the service request of wireless terminal transmission；
Transmission performance obtains module, for obtaining the transmission performance of wireless channel between the wireless terminal and base station；
First communication control module, for establishing the base station and being connect with the high speed of the wireless terminal when the transmission performance of the wireless channel is good；
Second communication control module, for establishing the base station and being connect with the low speed of the wireless terminal when the transmission performance difference of the wireless channel.
In conjunction with the above-mentioned third aspect, in the first possible implementation, the transmission performance obtains module, comprising:
Terminal parameter acquiring unit, for obtaining one or more of geographical location of the wireless terminal in base station overlay area, movement speed or the signal quality that receives base station signal parameter；
Transmission performance estimates unit, for according to the geographical location, movement speed or one or more of the signal quality parameter for receiving base station signal, estimation to characterize the performance parameter numerical value of the wireless channel transmission performance；
Result unit is estimated, for when the performance parameter numerical value is higher than preset threshold value, it is determined that the transmission performance of the wireless channel is good；When the performance parameter numerical value is lower than the preset threshold value, it is determined that the transmission performance of the wireless channel is poor.
In conjunction with the above-mentioned third aspect, in the second possible implementation, first communication control module, implements the base station and the wireless terminal carries out the transmission of high-rate service data.
In conjunction with the above-mentioned third aspect, in the third possible implementation, second communication control module, comprising:
Data transmission pause unit, for suspending the transmission of the business datum between the base station and the wireless terminal；
Data buffer storage unit, the business datum for being intended to be sent to the wireless terminal are cached.
Fourth aspect provides a kind of wireless terminal, comprising:
Service request sending module, for sending service request to base station；
First communication connection module is connected for when the transmission performance of wireless channel between the base station and wireless terminal is good, receiving the high speed established between the base station；
Second communication connection module is connected for when the transmission performance difference of wireless channel between the base station and wireless terminal, receiving the low speed established between the base station.
In conjunction with above-mentioned fourth aspect, in the first possible implementation, first communication connection module, tool
Body, which is realized, carries out the transmission of high-rate service data with the base station.
In conjunction with above-mentioned fourth aspect, in the second possible implementation, second communication connection module, specific implementation keeps the communication connection with the base station, waits the base station transmission business datum.
5th aspect, provides a kind of wireless data transmission device, comprising: receiver, processor and memory；Wherein, wherein
The memory, for storing computer executed instructions；
The receiver, for receiving the service request of wireless terminal transmission；
The processor, for obtaining the transmission performance of wireless channel between the wireless terminal and base station；When the transmission performance of the wireless channel is good, establishes the base station and connect with the high speed of the wireless terminal；When the transmission performance difference of the wireless channel, establishes the base station and connect with the low speed of the wireless terminal.
6th aspect, provides a kind of wireless terminal, comprising: transmitter, processor and memory；Wherein,
The memory, for storing computer executed instructions；
The transmitter, for sending service request to base station；
The processor is connected for when the transmission performance of wireless channel between the base station and wireless terminal is good, receiving the high speed established between the base station；When the transmission performance difference of wireless channel between the base station and wireless terminal, receives the low speed established between the base station and connect.
In the embodiment of the present invention, after wireless terminal is to base station initiating business request, the transmission performance of wireless channel first between acquisition base station and wireless terminal；When the transmission performance of wireless channel is good, then base station is established and is connect with the high speed of wireless terminal；When the transmission performance difference of wireless channel, foundation is connect with the low speed of wireless terminal.Base station can carry out the scheduling of business transmission between base station and wireless terminal according to the actual transmissions performance of wireless channel as a result, only when the transmission performance of wireless channel is good, connected by high speed and carry out business data transmission, improve the efficiency of transmission of business datum；And in the transmission performance difference of wireless channel, it is connect by the low speed with wireless terminal, reduce business data transmission, base station is avoided to guarantee the transmission of business datum using excessive transimission power, reduce the interference to this cell and other wireless terminals of neighboring community, to optimize the overall transfer efficiency of business datum, guarantee smooth service transmission performance.
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, the drawings to be used in the description of the embodiments or prior art will be briefly described below, apparently, drawings in the following description are only some embodiments of the invention, for those of ordinary skill in the art, in not making the creative labor property
Under the premise of, it is also possible to obtain other drawings based on these drawings.
Fig. 1 show the schematic diagram of a scenario that wireless terminal accesses internet by base station；
Fig. 2 show a kind of flow diagram of the transmission method embodiment of wireless data provided by the invention；
Fig. 3 show the implementation process schematic diagram of step 202 in Fig. 2；
Fig. 4 show the flow diagram of the transmission method embodiment of another wireless data provided by the invention；
Fig. 5 show a kind of structural schematic diagram of wireless data transmission device embodiment provided by the invention；
Fig. 6 show the realization structural schematic diagram that transmission performance in Fig. 5 obtains module；
Fig. 7 show a kind of structural schematic diagram of wireless terminal embodiment provided by the invention；
Fig. 8 show a kind of structural schematic diagram of wireless data transmission device realized based on computer system provided by the invention；
Fig. 9 show a kind of structural schematic diagram of wireless terminal realized based on computer system provided by the invention.
Technical solution in embodiment in order to enable those skilled in the art to better understand the present invention, and keep the above objects, features, and advantages of the embodiment of the present invention more obvious and easy to understand, technical solution in the embodiment of the present invention is described in further detail with reference to the accompanying drawing.
As shown in Fig. 2, being a kind of transmission method embodiment of wireless data provided by the invention, this method may include step performed below:
Step 201 receives the service request that wireless terminal is sent.
In step 201, for wireless terminal to base station initiating business request, base station then receives the service request of wireless terminal transmission.
In concrete application scene, the service request can be directly received by base station, an independent functional entity can also be set except base station, the service request of wireless terminal is received by the independent functional entity, and the service request is forwarded to base station.In this regard, the embodiment of the present invention is not specifically limited.
Step 202, the transmission performance for obtaining wireless channel between wireless terminal and base station.
In step 202, when base station receive wireless terminal transmission service request after, be not directly according to wireless terminal send service request to the relevant business datum of wireless terminal transmission, but first obtain and wireless terminal
Between wireless channel transmission performance, it may be assumed that obtain wireless terminal and be presently in the wireless signal transmission characteristic in region.This is because, the transmission performance of wireless channel will directly influence the business data transmission quality between wireless terminal and base station.Therefore, in the embodiment of the present invention, after receiving the service request of wireless terminal transmission, need to determine the transmission performance of the wireless channel between contemporary wireless terminals and base station first.According to actual transmissions performance, the transmission performance of wireless channel can be divided into " good " and " poor " two kinds of situations.
Step 203, when the transmission performance of wireless channel is good, the high speed for establishing base station and wireless terminal connects；When the transmission performance difference of wireless channel, the low speed for establishing base station and wireless terminal is connected.
In step 203, when the transmission performance for determining current radio channel is good, then base station is established high speed with wireless terminal and is connect, to guarantee smooth business data transmission；And when determining the transmission performance difference of current radio channel, then base station is established low speed with wireless terminal and is connect.
In the embodiment, according to the actual transmissions performance of wireless channel, the overlay area of base station can be divided into high speed bonding pad and low speed bonding pad.Wherein, high speed bonding pad is the good base station coverage area of transmission performance of wireless channel；Low speed bonding pad is the base station coverage area of the transmission performance difference of wireless channel.
Thus, when the transmission performance for determining current radio channel is good, then think that wireless terminal is now in high speed bonding pad, it can establish high speed between base station and wireless terminal to connect, that is: base station and wireless terminal carry out the transmission of high-rate service data, base station dispatcher is established high speed with wireless terminal in a manner of high priority and is connect, and business datum is sent to wireless terminal；When determining the transmission performance difference of current radio channel, then think that wireless terminal is now in low speed bonding pad, it can establish low speed connection between base station and wireless terminal, that is: the business datum between base station pause and wireless terminal transmits, only establish basic communication connection, also, the business datum for being intended to be sent to wireless terminal is cached, and the stage of the cache business data is properly termed as chance loitering phase.
It is understood that the connection type of base station and wireless terminal foundation then correspondingly switches between high speed connection and low speed connection when wireless terminal leaves high speed bonding pad and is transferred to low speed bonding pad；As a same reason, when wireless terminal leaves low speed bonding pad and is transferred to high speed bonding pad, corresponding connection type handoff procedure can also occur.
In the embodiment of the present invention, after wireless terminal is to base station initiating business request, the transmission performance of wireless channel first between acquisition base station and wireless terminal；When the transmission performance of wireless channel is good, then base station is established and is connect with the high speed of wireless terminal；When the transmission performance difference of wireless channel, foundation is connect with the low speed of wireless terminal.Base station can carry out the scheduling of business transmission between base station and wireless terminal according to the actual transmissions performance of wireless channel as a result, only when the transmission performance of wireless channel is good, connected by high speed and carry out business data transmission, improve the efficiency of transmission of business datum；And in the transmission performance difference of wireless channel, it is connect by the low speed with wireless terminal, reduces business data transmission, base station is avoided to guarantee the transmission of business datum using excessive transimission power, reduce that other are wireless to this cell and neighboring community
The interference of terminal optimizes the overall transfer efficiency of business datum, guarantees smooth service transmission performance.
Below by specific embodiment, the specific implementation of the transmission performance of wireless channel between above-mentioned acquisition and wireless terminal is described in detail.
As shown in figure 3, being the detailed process of the transmission performance of wireless channel between the acquisition provided and wireless terminal in one embodiment of the invention, which can be realized by following steps:
Step 301 obtains one or more of geographical location of the wireless terminal in base station overlay area, movement speed or the signal quality that receives base station signal parameter.
In the embodiment of the present invention, after receiving the service request of wireless terminal transmission, in order to select suitable communication connection mode, need to estimate the actual transmissions performance of wireless terminal wireless channel in the current base station area of coverage.Therefore, it needs to obtain the current configured transmission of wireless terminal first, the configured transmission that can be used to estimate wireless channel transmission performance may include: signal quality that geographical location, movement speed and wireless terminal of the wireless terminal in base station overlay area receive base station signal.In general, the distance between wireless terminal and base station are remoter, then wireless signal is poorer；The speed of mobile radio terminal is faster, and wireless signal is also poorer；If have in the transmission space of wireless signal it is big block, also result in wireless signal variation.
In practical application scene, the estimation that one of above-mentioned parameter carries out wireless channel transmission performance can be only obtained, multiple parameters can also be obtained simultaneously, to improve the accuracy of wireless channel transmission performance estimation.Specifically, above-mentioned several parameters can be reported by wireless terminal.
It obtains the mode of above-mentioned parameter for example: according to signal measurement amount is received, estimating movement speed, moving direction and the parameters such as at a distance from base station of wireless terminal；Alternatively, directly obtaining the parameters such as position, the speed of wireless terminal by the information exchange of the application layer with wireless terminal.
Step 302, according to geographical location, movement speed or one or more of the signal quality parameter for receiving base station signal, the performance parameter numerical value of estimation characterization wireless channel transmission performance.
In the step, after obtaining one or more of geographical location of the wireless terminal in base station overlay area, movement speed or the signal quality that receives base station signal parameter, further the performance parameter numerical value of characterization wireless channel transmission performance can be estimated according to these parameters.In concrete application scene, the performance parameter that can characterize wireless channel transmission performance may include: SNR (Signal to Noise Ratio, signal-to-noise ratio), the reception power of wireless terminal in base station overlay area etc..By the performance parameter of estimation characterization wireless channel transmission performance, the transmission performance of current radio channel can be estimated.
Step 303, when performance parameter numerical value be higher than preset threshold value when, it is determined that the transmission performance of wireless channel is good；
When performance parameter numerical value is lower than preset threshold value, it is determined that the transmission performance of wireless channel is poor.
In the embodiment of the present invention, after estimating the performance parameter numerical value of characterization wireless channel transmission performance, it can be according to the performance parameter of current characterization wireless channel transmission performance, determine the actual transmissions performance of wireless terminal wireless channel in the current base station area of coverage, specifically: the performance parameter of corresponding characterization wireless channel transmission performance, preset corresponding threshold value, when the performance parameter numerical value for characterizing wireless channel transmission performance is higher than the preset threshold value, then it can determine that the transmission performance of current radio channel is good；When the performance parameter numerical value for characterizing wireless channel transmission performance is lower than the preset threshold value, then it can determine that the transmission performance of wireless channel is poor.
In concrete application scene, it may include a variety of that the performance parameter of wireless channel transmission performance, which can be characterized, the preset corresponding threshold value of every kind of performance parameter can be corresponded to, it can only investigate whether one of performance parameter reaches threshold value, it is also possible to investigate wherein whether several performance parameters or over-all properties parameter reach threshold value, such as: when the performance parameter of the characterization wireless channel transmission performance of estimation is the reception power P of SNR and wireless terminal in base station overlay area, it then corresponds to SNR and the first threshold value is set, the second threshold value is arranged in corresponding P, according to actual application scenarios, it can be when SNR or P reaches corresponding threshold value, then determine that the transmission performance of current radio channel is good；It is also possible to when SNR and P reaches corresponding threshold value, just determines that the transmission performance of current radio channel is good.In this regard, the embodiment of the present invention is not specifically limited.
The transmission method embodiment of above-mentioned wireless data describes the related procedure of communication from base station side.Below from wireless terminal side, relevant communication process is continued to describe.
As shown in figure 4, being a kind of transmission method embodiment of wireless data provided by the invention, this method may include step performed below:
Step 401 sends service request to base station.
In the step, for wireless terminal to base station initiating business request, base station then receives the service request of wireless terminal transmission.
In concrete application scene, the service request directly can be sent to base station from wireless terminal, one independent functional entity can also be set except base station, send service request from wireless terminal to the independent functional entity, and service request is forwarded to base station by the functional entity.In this regard, the embodiment of the present invention is not specifically limited.
Step 402, when the transmission performance of wireless channel between base station and wireless terminal is good, receive the high speed established between base station and connect；When the transmission performance difference of wireless channel between base station and wireless terminal, receives the low speed established between base station and connect.
It is not direct according to wireless after base station receives the service request of wireless terminal transmission in the step
The service request that terminal is sent obtains the transmission performance of the wireless channel between wireless terminal to the relevant business datum of wireless terminal transmission first, it may be assumed that obtains the wireless signal transmission characteristic that wireless terminal is presently in region.This is because, the transmission performance of wireless channel will directly influence the business data transmission quality between wireless terminal and base station.Therefore, in the embodiment of the present invention, after receiving the service request of wireless terminal transmission, need to determine the transmission performance of the wireless channel between contemporary wireless terminals and base station first.According to actual transmissions performance, the transmission performance of wireless channel can be divided into " good " and " poor " two kinds of situations.
When the transmission performance for determining current radio channel is good, then base station is established high speed with wireless terminal and is connect, to guarantee smooth business data transmission；And when determining the transmission performance difference of current radio channel, then base station is established low speed with wireless terminal and is connect.
In the embodiment, according to the actual transmissions performance of wireless channel, the overlay area of base station can be divided into high speed bonding pad and low speed bonding pad.Wherein, high speed bonding pad is the good base station coverage area of transmission performance of wireless channel；Low speed bonding pad is the base station coverage area of the transmission performance difference of wireless channel.
Thus, when the transmission performance for determining current radio channel is good, then think that wireless terminal is now in high speed bonding pad, it can establish high speed between base station and wireless terminal to connect, that is: base station and wireless terminal carry out the transmission of high-rate service data, base station dispatcher is established high speed with wireless terminal in a manner of high priority and is connect, and business datum is sent to wireless terminal；When determining the transmission performance difference of current radio channel, then think that wireless terminal is now in low speed bonding pad, it can establish low speed connection between base station and wireless terminal, that is: the business datum between base station pause and wireless terminal transmits, only establish basic communication connection, also, the business datum for being intended to be sent to wireless terminal is cached, and the stage of the cache business data is properly termed as chance loitering phase.
It is understood that the connection type of base station and wireless terminal foundation then correspondingly switches between high speed connection and low speed connection when wireless terminal leaves high speed bonding pad and is transferred to low speed bonding pad；As a same reason, when wireless terminal leaves low speed bonding pad and is transferred to high speed bonding pad, corresponding connection type handoff procedure can also occur.
In the embodiment of the present invention, after wireless terminal is to base station initiating business request, the transmission performance of wireless channel first between acquisition base station and wireless terminal；When the transmission performance of wireless channel is good, then base station is established and is connect with the high speed of wireless terminal；When the transmission performance difference of wireless channel, foundation is connect with the low speed of wireless terminal.Thus, it is possible to carry out the scheduling of business transmission between base station and wireless terminal according to the actual transmissions performance of wireless channel, only when the transmission performance of wireless channel is good, is connected by high speed and carry out business data transmission, improve the efficiency of transmission of business datum；And in the transmission performance difference of wireless channel, it is connect by the low speed with wireless terminal, reduce business data transmission, base station is avoided to guarantee the transmission of business datum using excessive transimission power, reduce the interference to this cell and other wireless terminals of neighboring community, the overall transfer efficiency for optimizing business datum guarantees smooth service transmission performance.
The transmission method embodiment of corresponding above-mentioned wireless data, the present invention provides a kind of wireless data transmission devices.
As shown in figure 5, in concrete application scene, above-mentioned wireless data transmission device be can be set in inside of base station for a kind of wireless data transmission device embodiment provided by the invention, can also be individually configured independently of except base station, which can specifically include:
Service request receiving module 501, for receiving the service request of wireless terminal transmission；
Transmission performance obtains module 502, for obtaining the transmission performance of wireless channel between wireless terminal and base station；
First communication control module 503, the high speed for when the transmission performance of wireless channel is good, establishing base station and wireless terminal connect；
Second communication control module 504, the low speed for when the transmission performance difference of wireless channel, establishing base station and wireless terminal connect.
In the embodiment of the present invention, after base station receives the service request of wireless terminal transmission, it is not the service request that is directly sent according to wireless terminal to the relevant business datum of wireless terminal transmission, but module is obtained by transmission performance first, obtain the transmission performance of the wireless channel between wireless terminal, it may be assumed that obtain the wireless signal transmission characteristic that wireless terminal is presently in region.This is because, the transmission performance of wireless channel will directly influence the business data transmission quality between wireless terminal and base station.Therefore, in the embodiment of the present invention, after receiving the service request of wireless terminal transmission, need to determine the transmission performance of the wireless channel between contemporary wireless terminals and base station first.According to actual transmissions performance, the transmission performance of wireless channel can be divided into " good " and " poor " two kinds of situations.When the transmission performance for determining current radio channel is good, then by the first communication control module, control base station is established high speed with wireless terminal and is connect, to guarantee smooth business data transmission；And when determining the transmission performance difference of current radio channel, then by the second communication control module, control base station is established low speed with wireless terminal and is connect.
In the embodiment, according to the actual transmissions performance of wireless channel, the overlay area of base station can be divided into high speed bonding pad and low speed bonding pad.Wherein, high speed bonding pad is the good base station coverage area of transmission performance of wireless channel；Low speed bonding pad is the base station coverage area of the transmission performance difference of wireless channel.
Thus, when the transmission performance for determining current radio channel is good, then think that wireless terminal is now in high speed bonding pad, it can establish high speed between base station and wireless terminal to connect, that is: base station and wireless terminal carry out the transmission of high-rate service data, base station dispatcher is established high speed with wireless terminal in a manner of high priority and is connect, and business datum is sent to wireless terminal；When determining the transmission performance difference of current radio channel, then think that wireless terminal is now in low speed bonding pad, it can establish low speed connection between base station and wireless terminal, that is: the business datum between base station pause and wireless terminal transmits, only establish basic communication connection, also, the business datum for being intended to be sent to wireless terminal is delayed
It deposits, the stage of the cache business data is properly termed as chance loitering phase.
It is understood that the connection type of base station and wireless terminal foundation then correspondingly switches between high speed connection and low speed connection when wireless terminal leaves high speed bonding pad and is transferred to low speed bonding pad；As a same reason, when wireless terminal leaves low speed bonding pad and is transferred to high speed bonding pad, corresponding connection type handoff procedure can also occur.
In the embodiment of the present invention, after wireless terminal is to base station initiating business request, wireless data transmission device obtains the transmission performance of wireless channel between base station and wireless terminal first；When the transmission performance of wireless channel is good, then base station is established and is connect with the high speed of wireless terminal；When the transmission performance difference of wireless channel, foundation is connect with the low speed of wireless terminal.Base station can carry out the scheduling of business transmission between base station and wireless terminal according to the actual transmissions performance of wireless channel as a result, only when the transmission performance of wireless channel is good, connected by high speed and carry out business data transmission, improve the efficiency of transmission of business datum；And in the transmission performance difference of wireless channel, it is connect by the low speed with wireless terminal, reduce business data transmission, base station is avoided to guarantee the transmission of business datum using excessive transimission power, reduce the interference to this cell and other wireless terminals of neighboring community, the overall transfer efficiency for optimizing business datum guarantees smooth service transmission performance.
In one embodiment provided by the invention, as shown in fig. 6, transmission performance obtains module 502, it can specifically include:
Terminal parameter acquiring unit 601, for obtaining one or more of geographical location of the wireless terminal in base station overlay area, movement speed or the signal quality that receives base station signal parameter；
Transmission performance estimates unit 602, for according to geographical location, movement speed or one or more of the signal quality parameter for receiving base station signal, the performance parameter numerical value of estimation characterization wireless channel transmission performance；
Result unit 603 is estimated, for when performance parameter numerical value is higher than preset threshold value, it is determined that the transmission performance of wireless channel is good；When performance parameter numerical value is lower than preset threshold value, it is determined that the transmission performance of wireless channel is poor.
In the embodiment, after receiving the service request of wireless terminal transmission, in order to select suitable communication connection mode, need to estimate the actual transmissions performance of wireless terminal wireless channel in the current base station area of coverage.Therefore, it needs first through terminal parameter acquiring unit, the current configured transmission of wireless terminal is obtained, the configured transmission that can be used to estimate wireless channel transmission performance may include: signal quality that geographical location, movement speed and wireless terminal of the wireless terminal in base station overlay area receive base station signal.
In practical application scene, the estimation that one of above-mentioned parameter carries out wireless channel transmission performance can be only obtained, multiple parameters can also be obtained simultaneously, to improve the accuracy of wireless channel transmission performance estimation.Specifically, above-mentioned several parameters can be reported by wireless terminal.
After obtaining one or more of geographical location of the wireless terminal in base station overlay area, movement speed or the signal quality that receives base station signal parameter, it can be according to these parameters, unit is further estimated by transmission performance, the performance parameter numerical value of characterization wireless channel transmission performance is estimated.
After estimating the performance parameter numerical value of characterization wireless channel transmission performance, it can be by estimating result unit, according to the performance parameter of current characterization wireless channel transmission performance, determine the actual transmissions performance of wireless terminal wireless channel in the current base station area of coverage, specifically: the performance parameter of corresponding characterization wireless channel transmission performance, preset corresponding threshold value, when the performance parameter numerical value for characterizing wireless channel transmission performance is higher than the preset threshold value, then it can determine that the transmission performance of current radio channel is good；When the performance parameter numerical value for characterizing wireless channel transmission performance is lower than the preset threshold value, then it can determine that the transmission performance of wireless channel is poor.
The transmission method embodiment of corresponding above-mentioned wireless data, the present invention also provides a kind of wireless terminals.
As shown in fig. 7, being a kind of wireless terminal embodiment provided by the invention, can specifically include:
Service request sending module, for sending service request to base station；
First communication connection module is connected for when the transmission performance of wireless channel between base station and wireless terminal is good, receiving the high speed established between base station；
Second communication connection module is connected for when the transmission performance difference of wireless channel between base station and wireless terminal, receiving the low speed established between base station.
In the embodiment, the service request directly can be sent to base station from wireless terminal, one independent functional entity can also be set except base station, send service request from wireless terminal to the independent functional entity, and service request is forwarded to base station by the functional entity.After base station receives the service request of wireless terminal transmission, it is not the service request that is directly sent according to wireless terminal to the relevant business datum of wireless terminal transmission, but the transmission performance of the wireless channel between wireless terminal is obtained first, it may be assumed that obtain the wireless signal transmission characteristic that wireless terminal is presently in region.This is because, the transmission performance of wireless channel will directly influence the business data transmission quality between wireless terminal and base station.Therefore, in the embodiment of the present invention, after receiving the service request of wireless terminal transmission, need to determine the transmission performance of the wireless channel between contemporary wireless terminals and base station first.According to actual transmissions performance, the transmission performance of wireless channel can be divided into " good " and " poor " two kinds of situations.
When the transmission performance for determining current radio channel is good, then base station is established high speed with wireless terminal and is connect, to guarantee smooth business data transmission；And when determining the transmission performance difference of current radio channel, then base station is established low speed with wireless terminal and is connect.First communication connection module and the second communication connection module are set in wireless terminal as a result, respectively under different wireless channel transmission performances, receive different communication connection modes.
In the embodiment, according to the actual transmissions performance of wireless channel, the overlay area of base station can be divided into high speed bonding pad and low speed bonding pad.Wherein, high speed bonding pad is the good base station coverage area of transmission performance of wireless channel；Low speed bonding pad is the base station coverage area of the transmission performance difference of wireless channel.
Thus, when the transmission performance for determining current radio channel is good, then think that wireless terminal is now in high speed bonding pad, it can establish high speed between base station and wireless terminal to connect, that is: base station and wireless terminal carry out the transmission of high-rate service data, base station dispatcher is established high speed with wireless terminal in a manner of high priority and is connect, and business datum is sent to wireless terminal；When determining the transmission performance difference of current radio channel, then think that wireless terminal is now in low speed bonding pad, it can establish low speed connection between base station and wireless terminal, that is: the business datum between base station pause and wireless terminal transmits, only establish basic communication connection, also, the business datum for being intended to be sent to wireless terminal is cached, and the stage of the cache business data is properly termed as chance loitering phase.
It is understood that the connection type of base station and wireless terminal foundation then correspondingly switches between high speed connection and low speed connection when wireless terminal leaves high speed bonding pad and is transferred to low speed bonding pad；As a same reason, when wireless terminal leaves low speed bonding pad and is transferred to high speed bonding pad, corresponding connection type handoff procedure can also occur.
In the embodiment of the present invention, after wireless terminal is to base station initiating business request, the transmission performance of wireless channel first between acquisition base station and wireless terminal；When the transmission performance of wireless channel is good, then base station is established and is connect with the high speed of wireless terminal；When the transmission performance difference of wireless channel, foundation is connect with the low speed of wireless terminal.Thus, it is possible to carry out the scheduling of business transmission between base station and wireless terminal according to the actual transmissions performance of wireless channel, only when the transmission performance of wireless channel is good, is connected by high speed and carry out business data transmission, improve the efficiency of transmission of business datum；And in the transmission performance difference of wireless channel, it is connect by the low speed with wireless terminal, reduce business data transmission, base station is avoided to guarantee the transmission of business datum using excessive transimission power, reduce the interference to this cell and other wireless terminals of neighboring community, the overall transfer efficiency for optimizing business datum guarantees smooth service transmission performance.
In order to make it easy to understand, the transmission process of above-mentioned wireless data is described in detail below by concrete application scene.
In concrete application scene, CCM (Context Control Module can be set in base station side, context control module), the CCM is aforementioned wireless data transmission device, for the actual transmissions performance according to wireless channel, the business transmission between base station and wireless terminal is scheduled.CCM can be set in inside of base station, be also possible to be arranged except base station independent functional entity.
When wireless terminal needs to establish certain downlink business, such as: when terminal to server registration receives video traffic, firstly, wireless terminal (creates the service role in CCM, service role gives some configured transmissions of current downlink business, such as: destination address, connection performance etc..CCM can be set in inside of base station, can also independently set
It is placed in except base station.Wherein, CCM can be connected to locally or remotely network according to service role parameter；CCM monitors position and the service condition of wireless terminal, and according to the data connection of monitoring result control base station and wireless terminal.CCM predicts that wireless terminal in the transmission situation of base station coverage area, distinguishes low speed bonding pad and high speed bonding pad by the reception characteristics of signals of analysis wireless terminal region.When wireless terminal is in low speed bonding pad, CCM control base station and wireless terminal are transmitted without video data, and carry out the caching of video data during this period；When wireless terminal reaches high speed bonding pad, CCM control base station is established high speed with terminal and is connect, and video data is sent to wireless terminal with high-speed；When wireless terminal leaves the high speed bonding pad of base station, when being again introduced into low speed bonding pad, then video data caching is carried out.
Similarly, when wireless terminal needs to establish certain uplink service, position and the service condition of wireless terminal are monitored by CCM, and according to the data connection of monitoring result control base station and wireless terminal.CCM predicts that wireless terminal in the transmission situation of base station coverage area, distinguishes low speed bonding pad and high speed bonding pad by the reception characteristics of signals of analysis wireless terminal region.When wireless terminal is in low speed bonding pad, CCM control base station and wireless terminal carry out the caching of data without data transmission during this period；When wireless terminal reaches high speed bonding pad, CCM control base station is established high speed with terminal and is connect, and wireless terminal transfers data to base station with high-speed.
Pass through UE (User Equipment with user, user equipment) it watches for the scene of video, when user opens the video acceleration APP (Application, computer program) on UE, indicate that UE to network side initiating business request, requests network to enable video acceleration ability；Service request is sent to network side, by network side ESP (Edge Service Platform, edge service platform) on carry out this service EAP (Edge Application, edge application) authority recognition of user is carried out, and based on context get the specific policy information of the user；The relevant control message of EAP sending application establishes the control channel and data channel of EAP and base station to base station, and obtains the current network connection parameter information of UE；EAP establishes the connection to gateway and network according to contextual informations such as the network connection parameter information of UE, and establishes the service connection for arriving base station；After service channel is established, it can be ready for business transmission；Base station side identifies the transmission performance of current radio channel, if the transmission performance of wireless channel is good, control base station is established high-speed data with UE and connect, and carries out high rate video data transmission；If the transmission performance of wireless channel is poor, temporarily video data is cached.When UE is in moving condition, then according to the practical situation of movement of UE, the process of alternately aforementioned high-speed data connection and data buffer storage.
As shown in figure 8, the present invention also provides a kind of wireless data transmission devices realized based on computer system, in the specific implementation, the wireless data transmission device may include: receiver 801, processor 802 and memory 803；Wherein,
Memory 803, for storing computer executed instructions；
Receiver 801, for receiving the service request of wireless terminal transmission；
Processor 802, for obtaining the transmission performance of wireless channel between wireless terminal and base station；When the transmission performance of wireless channel is good, the high speed for establishing base station and wireless terminal is connected；When the transmission performance difference of wireless channel, the low speed for establishing base station and wireless terminal is connected.
As shown in figure 9, the present invention also provides a kind of wireless terminals realized based on computer system, in the specific implementation, the wireless terminal may include: transmitter 1301, processor 1302 and memory 1303；Wherein,
Memory 1303, for storing computer executed instructions；
Transmitter 1301, for sending service request to base station；
Processor 1302 is connected for when the transmission performance of wireless channel between base station and wireless terminal is good, receiving the high speed established between base station；When the transmission performance difference of wireless channel between base station and wireless terminal, receives the low speed established between base station and connect.
In the specific implementation, above-mentioned processor can be central processing unit (central processing unit, CPU), specific integrated circuit (application-specific integrated circuit, ASIC) etc..Computer storage medium can be stored with program, which may include step some or all of in each embodiment of the method for data provided in an embodiment of the present invention transmission when executing.The storage medium can be magnetic disk, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access Memory, RAM) etc..
Those of ordinary skill in the art may be aware that unit described in conjunction with the examples disclosed in the embodiments of the present disclosure and algorithm steps, can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Professional technician can use different methods to achieve the described function each specific application, but such implementation should not be considered as beyond the scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, system, the specific work process of device and unit of foregoing description can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods may be implemented in other ways.Such as, the apparatus embodiments described above are merely exemplary, such as, the division of the unit, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed mutual coupling, direct-coupling or communication connection can be by one
The indirect coupling or communication connection of a little interfaces, device or unit can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, and component shown as a unit may or may not be physical unit, it can and it is in one place, or may be distributed over multiple network units.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
In addition, the functional units in various embodiments of the present invention may be integrated into one processing unit, it is also possible to each unit and physically exists alone, can also be integrated in one unit with two or more units.
If the function is realized in the form of SFU software functional unit and when sold or used as an independent product, can store in a computer readable storage medium.Based on this understanding, substantially the part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products technical solution of the present invention in other words, the computer software product is stored in a storage medium, it uses including some instructions so that a computer equipment (can be personal computer, server or the network equipment etc.) or processor (processor) perform all or part of the steps of the method described in the various embodiments of the present invention.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), the various media that can store program code such as magnetic or disk.
It is described above; only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and anyone skilled in the art is in the technical scope disclosed by the present invention; it can easily think of the change or the replacement, should be covered by the protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (16)
- A kind of transmission method of wireless data characterized by comprisingReceive the service request that wireless terminal is sent；Obtain the transmission performance of wireless channel between the wireless terminal and base station；When the transmission performance of the wireless channel is good, establishes the base station and connect with the high speed of the wireless terminal；When the transmission performance difference of the wireless channel, establishes the base station and connect with the low speed of the wireless terminal.
- The method according to claim 1, wherein the transmission performance for obtaining the wireless channel between the wireless terminal, comprising:Obtain one or more of geographical location of the wireless terminal in base station overlay area, movement speed or the signal quality that receives base station signal parameter；One or more of signal quality according to the geographical location, movement speed or reception base station signal parameter, estimation characterize the performance parameter numerical value of the wireless channel transmission performance；When the performance parameter numerical value is higher than preset threshold value, it is determined that the transmission performance of the wireless channel is good；When the performance parameter numerical value is lower than the preset threshold value, it is determined that the transmission performance of the wireless channel is poor.
- It establishes the base station the method according to claim 1, wherein described and is connect with the high speed of the wireless terminal, comprising:The base station and the wireless terminal carry out the transmission of high-rate service data.
- It establishes the base station the method according to claim 1, wherein described and is connect with the low speed of the wireless terminal, comprising:Suspend the business datum transmission between the base station and the wireless terminal, the business datum for being intended to be sent to the wireless terminal is cached.
- A kind of transmission method of wireless data characterized by comprisingService request is sent to base station；When the transmission performance of wireless channel between the base station and wireless terminal is good, receives the high speed established between the base station and connect；When the transmission performance difference of wireless channel between the base station and wireless terminal, receives the low speed established between the base station and connect.
- According to the method described in claim 5, it is characterized in that, the high speed established between the receiving and the base station connects, comprising:The transmission of high-rate service data is carried out with the base station.
- According to the method described in claim 5, it is characterized in that, the low speed established between the receiving and the base station connects, comprising:The communication connection with the base station is kept, the base station transmission business datum is waited.
- A kind of wireless data transmission device characterized by comprisingService request receiving module, for receiving the service request of wireless terminal transmission；Transmission performance obtains module, for obtaining the transmission performance of wireless channel between the wireless terminal and base station；First communication control module, for establishing the base station and being connect with the high speed of the wireless terminal when the transmission performance of the wireless channel is good；Second communication control module, for establishing the base station and being connect with the low speed of the wireless terminal when the transmission performance difference of the wireless channel.
- Device according to claim 8, which is characterized in that the transmission performance obtains module, comprising:Terminal parameter acquiring unit, for obtaining one or more of geographical location of the wireless terminal in base station overlay area, movement speed or the signal quality that receives base station signal parameter；Transmission performance estimates unit, for according to the geographical location, movement speed or one or more of the signal quality parameter for receiving base station signal, estimation to characterize the performance parameter numerical value of the wireless channel transmission performance；Result unit is estimated, for when the performance parameter numerical value is higher than preset threshold value, it is determined that the transmission performance of the wireless channel is good；When the performance parameter numerical value is lower than the preset threshold value, it is determined that the transmission performance of the wireless channel is poor.
- Device according to claim 8, which is characterized in that first communication control module implements the base station and the wireless terminal carries out the transmission of high-rate service data.
- Device according to claim 8, which is characterized in that second communication control module, packet It includes:Data transmission pause unit, for suspending the transmission of the business datum between the base station and the wireless terminal；Data buffer storage unit, the business datum for being intended to be sent to the wireless terminal are cached.
- A kind of wireless terminal characterized by comprisingService request sending module, for sending service request to base station；First communication connection module is connected for when the transmission performance of wireless channel between the base station and wireless terminal is good, receiving the high speed established between the base station；Second communication connection module is connected for when the transmission performance difference of wireless channel between the base station and wireless terminal, receiving the low speed established between the base station.
- Wireless terminal according to claim 12, which is characterized in that first communication connection module, specific implementation carry out the transmission of high-rate service data with the base station.
- Wireless terminal according to claim 12, which is characterized in that second communication connection module, specific implementation keep the communication connection with the base station, wait the base station transmission business datum.
- A kind of wireless data transmission device characterized by comprising receiver, processor and memory；Wherein, whereinThe memory, for storing computer executed instructions；The receiver, for receiving the service request of wireless terminal transmission；The processor, for obtaining the transmission performance of wireless channel between the wireless terminal and base station；When the transmission performance of the wireless channel is good, establishes the base station and connect with the high speed of the wireless terminal；When the transmission performance difference of the wireless channel, establishes the base station and connect with the low speed of the wireless terminal.
- A kind of wireless terminal characterized by comprising transmitter, processor and memory；Wherein,The memory, for storing computer executed instructions；The transmitter, for sending service request to base station；The processor is connected for when the transmission performance of wireless channel between the base station and wireless terminal is good, receiving the high speed established between the base station；When the transmission performance difference of wireless channel between the base station and wireless terminal, receives the low speed established between the base station and connect.
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| PCT/CN2015/077405 WO2016169053A1 (en) | 2015-04-24 | 2015-04-24 | Transmission method and device for wireless data |
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