CN103596183B - The method and system of high-speed traffic is carried out using public frequency band - Google Patents
The method and system of high-speed traffic is carried out using public frequency band Download PDFInfo
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- CN103596183B CN103596183B CN201210287157.8A CN201210287157A CN103596183B CN 103596183 B CN103596183 B CN 103596183B CN 201210287157 A CN201210287157 A CN 201210287157A CN 103596183 B CN103596183 B CN 103596183B
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Abstract
The present invention provides a kind of method and system that high-speed traffic is carried out using public frequency band.According to the method, the synchronizing signal acquired in mobile equipment is first detected, and extracts from the synchronizing signal first flag information of the base station corresponding to the synchronizing signal；The mobile network for being covered the mobile equipment access base station based on the first flag information, so that the mobile equipment obtains the corresponding second identifier information；When the public frequency band free time is listened in the base station, it will reflect that the base station can be assigned in the spare bits of RTS agreements with the first parameter information of the mobile device communication, and the RTS agreements are sent；Then, the RTS agreements acquired in based on the mobile equipment, the second parameter information for reflecting described mobile equipment the present situation is assigned in the spare bits of CTS agreements, and the CTS agreements are sent, so that the base station quickly communicates with the mobile equipment.
Description
Technical field
The present invention relates to a kind of method to be communicated using public frequency band, more particularly to one kind using public frequency band into
The method and system of row high-speed traffic.
Background technology
As wireless data service is skyrocketed through, in the case of bandwidth availability ratio anxiety all the more, existing frequency spectrum resource is utilized
It is already extremely urgent to increase bandwidth availability ratio.Particularly public frequency band, such as ISM band, can be used for considering more shared
Use.It is more and more attractive that the communication technology based on LTE standard of shared band can be operated in, because can bring such as
The benefit such as capacity boost, new application.
However, current public frequency band is shared by multiple network, such as wireless broadband network, blueteeth network.It is each
The time that equipment in kind of network successfully takes the public frequency band be it is random, it is generally all very short, in ETSI EN
300328V1.8.1.0.0.27 two kinds of mechanism of middle specified in more detail：Based on Non-LBT（Non Listen before talk, hair
It is not listening to before sending）Detection and avoidance mechanism and based on LBT（Listen before talk, are monitored before sending）Detection and
Avoidance mechanism.In based on Non-LBT methods, Channel holding time should be less than 40ms.Meanwhile in LBT, for two types
Equipment（Equipment based on frame and the equipment based on load）, the maximum of Channel holding time be also respectively 10ms and
13ms.Therefore, the time for taking ISM band each time is all very short.
Traditional LTE protocol is all to continuously transmit design, and mobile equipment must first detect master sync signal（PSS）
With the mobile network that ability access base station is covered after auxiliary synchronous signals (SSS).Then, it is all to be carried on synchronizing signal and physics
Broadcast channel（PBCH）The specific system information and cell information of the inside need to decode before wireless connection is established.Present
LTE protocol inside, base station is in Physical Downlink Control Channel（PDCCH）Upper transmission uplink or D2D resource authorizations, it is double in frequency division
Work（FDD）Under pattern, mobile equipment only could transmit data after at least 3ms is dispatched.In time division duplex（TDD）Under pattern,
Dispatch delay of the base station to mobile equipment transmission can bigger.The delay of LTE transmission should be thought better of, and especially ISM band takes
Time is very short, therefore, when LTE system uses ISM band, how effectively to support LTE to take short time ISM band and become very
The problem of important.
If it can be seen from the above that according to current LTE protocol, even if base station occupies public frequency band, it is also difficult to set with movement
It is standby to carry out effective data communication.However, current Wireless LAN using public frequency band when, due to radio reception device
It is short with handshake communication the time it takes of user equipment, cause Wireless LAN to be carried out effectively using public frequency band
Data communication.
Therefore need the interactive mode of the parameter information to existing mobile equipment and base station to be improved, so as to fully profit
Communicated with public frequency band.
The content of the invention
In view of the foregoing deficiencies of prior art, carried out it is an object of the invention to provide one kind using public frequency band fast
The method and system of speed communication, can be communicated to move equipment with base station using public frequency band.
In order to achieve the above objects and other related objects, present invention offer is a kind of carries out high-speed traffic using public frequency band
Method, it includes：1）The acquired synchronizing signal of mobile equipment detection, and its corresponding base station is extracted from the synchronizing signal
First flag information；The mobile network for being covered the mobile equipment access base station based on the first flag information
Network, so that second identifier information is distributed in the base station for the mobile equipment, and the second identifier information is supplied to described
Mobile equipment；
The method further includes：A）When the public frequency band free time is listened in the base station, it will reflect that the base station can be with
First parameter information of the mobile device communication is assigned in the spare bits of RTS agreements, and is assisted the RTS by the base station
View is sent to the mobile equipment；B）The RTS agreements acquired in based on the mobile equipment, will reflect the mobile equipment
Second parameter information of the present situation is assigned in the spare bits of CTS agreements, and is based on the described first mark by the mobile equipment
Know information to send the CTS agreements to the base station, so as to the base station within the time for taking the public frequency band and institute
Mobile equipment is stated to communicate.
Preferably, the spare bits in the RTS agreements include at least：Bit idle in frame control field in RTS agreements
Send ground in remaining bits position, RTS agreements in position, RTS agreements in destination address field in addition to the second identifier information
One kind in the field of location.
Preferably, the spare bits in the CTS agreements include at least：Bit idle in frame control field in CTS agreements
One kind in the bit corresponding to address is sent described in position, CTS agreements.
Preferably, first parameter information includes at least：Downstream channel bandwidth, the transimission power of reference signal, physics
The configuration of layer hybrid automatic repeat request indication channel, help to play the part of the System Frame Number of timing reference, the base station transmission during synchronization
The configuration of antenna and pre- scheduling of resource.
Preferably, the first flag information is the pre-set sector identifier in the base station.
Preferably, the second identifier information is Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information.
Based on above-mentioned purpose, the present invention also provides a kind of system that high-speed traffic is carried out using public frequency band, it includes：Inspection
Module is surveyed, for detecting the synchronizing signal acquired in mobile equipment, and the synchronizing signal institute is extracted from the synchronizing signal
The first flag information of corresponding base station；Synchronization module, for being accessed the mobile equipment based on the first flag information
The mobile network that the base station is covered, so that second identifier information is distributed in the base station for the mobile equipment, and by described in
Second identifier information is supplied to the mobile equipment；Request module, for listened in the base station public frequency band free time when, will
Reflect that the base station can be assigned in the spare bits of RTS agreements with the first parameter information of the mobile device communication, and by
The base station sends the RTS agreements to the mobile equipment；Respond module, for based on acquired in the mobile equipment
The RTS agreements, the second parameter information for reflecting described mobile equipment the present situation is assigned in the spare bits of CTS agreements,
And sent the CTS agreements to the base station based on the first flag information by the mobile equipment, so as to the base station
Communicate within the time for taking the public frequency band with the mobile equipment.
Preferably, the spare bits in the RTS agreements include at least：Bit idle in frame control field in RTS agreements
Send ground in remaining bits position, RTS agreements in position, RTS agreements in destination address field in addition to the second identifier information
One kind in the field of location.
Preferably, the spare bits in the CTS agreements include at least：Bit idle in frame control field in CTS agreements
One kind in transmission address field in position, CTS agreements.
Preferably, first parameter information includes at least：Downstream channel bandwidth, the transimission power of reference signal, physics
The configuration of layer hybrid automatic repeat request indication channel, help to play the part of the System Frame Number of timing reference, the base station transmission during synchronization
The configuration of antenna and pre- scheduling of resource.
Preferably, the sector for the respective sectors that the first flag information is covered by the mobile equipment in the base station
Identifier.
Preferably, the second identifier information is Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information.
As described above, a kind of method and system that high-speed traffic is carried out using public frequency band of the present invention, is had with following
Beneficial effect：By using Wireless LAN in the Handshake Protocol of public frequency band, improve mobile equipment and take public frequency with base station
Before Duan Jinhang communications, the problem of establishing the overlong time of communication, specifically, the characteristics of for mobile network, redistribute RTS/
The bit being only applicable in CTS agreements in Wireless LAN, effectively reduces mobile equipment and is transmitted before communicating with base station
The time of parameter information each other；At the same time, it is contemplated that the characteristics of mobile network, the movement that is first covered mobile equipment access base station
Network so that mobile equipment and base station each other no longer " stealth ", so, it is possible to compress from RTS/CTS agreements before communicating
More spare bits, to distribute the parameter information between the mobile equipment and base station.
Brief description of the drawings
Fig. 1 is shown as a kind of flow chart of method that high-speed traffic is carried out using public frequency band of the present invention.
Fig. 2 is shown as a kind of structure diagram of system that high-speed traffic is carried out using public frequency band of the present invention.
Component label instructions
1 high-speed communication system
11 detection modules
12 synchronization modules
13 request modules
14 respond modules
2 movement equipment
3 base stations
S1 ~ S4 steps
Embodiment
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.
Fig. 1 is shown as the flow chart of the method that high-speed traffic is carried out using public frequency band of the present invention.The use is public
The mobile equipment that the method that frequency range carries out high-speed traffic is applied to quickly access with it when base station obtains occupancy public frequency band carries out
The scene of communication, the method are mainly performed by high-speed communication system, wherein, the high-speed communication system includes being installed on institute
State the application module in mobile equipment and the application module in the base station.The movement equipment includes but not limited to GSM
Mobile phone, 3G mobile etc..The base station includes but not limited to：GSM base stations, NodeB etc..
In step sl, the synchronizing signal acquired in the mobile equipment of high-speed communication system detection, and from the synchronization
The first flag information of the base station corresponding to the synchronizing signal is extracted in signal.Wherein, the first flag information includes appointing
What can be identified for that the information of the base station, it includes but not limited to：The address information of the base station, the mobile equipment are described
The cell information of base station institute serving cell, it is preferable that the first flag information is covered by the mobile equipment in the base station
The sector identifier of the respective sectors of lid.
Specifically, the mobile equipment obtains the synchronizing signal from base station, the high-speed traffic based on default frequency range
Protocol rule of the system based on default synchronizing signal detects synchronizing signal described in the frequency range, and is extracted from the synchronizing signal
The first flag information of the base station.
For example, each 5ms in base station sends a synchronizing signal, accounted for when the mobile equipment is based on competition mechanism acquirement
During with the resource of public frequency band, the mobile equipment starts to obtain the synchronizing signal in default frequency range, then, by described fast
The acquired synchronizing signal of fast communication system detection, to obtain sending the first flag information of the base station of the synchronizing signal, and
Preserved.
In step s 2, the high-speed communication system is based on the first flag information by described in the mobile equipment access
The mobile network that base station is covered, so that second identifier information is distributed in the base station for the mobile equipment, and by described second
Identification information is supplied to the mobile equipment.Wherein, it is that the movement is set that the second identifier information, which includes any base station,
What back-up was matched somebody with somebody can distinguish the identification information of each movement equipment in the mobile network, it includes but not limited to：IP
Location, it is preferable that the second identifier information is Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information.
It should be noted that it should be appreciated by those skilled in the art that the base station is mobile second mark of equipment distribution
Know the mode of information, this will not be detailed here.
For example, the high-speed communication system sends access based on detected first flag information to corresponding base station
The small of 16 bits is distributed in the access information of its mobile network covered, the base station based on the access information for the mobile equipment
Area's Radio Network Temporary Identifier, and the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI is sent to the mobile equipment, with described in confirmation
Mobile equipment accesses the mobile network.
Thus, the mobile equipment and the base station synchronization.
In step s3, when the public frequency band free time is listened in the base station, the high-speed communication system is by described in reflection
Base station can be assigned to RTS agreements with the first parameter information of the mobile device communication（Send request protocol）Spare bits
In, and sent the RTS agreements to the mobile equipment by the base station.Wherein, the base station leads to the mobile equipment
The first parameter information during letter is used to ensure that the base station to be carried out with the mobile equipment including any by what the base station determined
First parameter information of communication, it includes but not limited to：Downstream channel bandwidth, the transimission power of reference signal, physical layer mixing
Automatic retransmission request indicates channel（PHICH）Configuration, help the synchronous System Frame Number for playing the part of timing reference at the same time, the base station to pass
The configuration of defeated antenna and pre- scheduling of resource, it is preferable that first parameter information further includes：Mobile equipment/movement equipment group mark
Knowledge, resource block distribution, the distribution duration of resource block, multiple antennas information, modulation intelligence, load, the pre-scheduling of uplink authorization, movement
Equipment configured transmission etc..
The RTS agreements be WLAN in two equipment communicated before Handshake Protocol in request send agreement.
Spare bits in the RTS agreements, which refer to, applies the definition of original bit in mobile network to be unsuitable for the RTS agreements
The respective field of those bits of the mobile network communication or the RTS agreements through the high-speed communication system again
Remaining bit after distribution.It includes but not limited to：Bit idle in frame control field etc. in RTS agreements.Specifically,
The spare bits include：In the RTS agreements 9-12 and 14-16 in frame control field.For example, the RTS agreements
Frame control byte in the 9th for " go to DS " bits, in a mobile network without send or receive " go to the control of DS "
Frame processed, therefore the position is spare bits.It is further preferable that the high-speed communication system is by corresponding to the mobile equipment that will be communicated
Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information as the reception address in the RTS agreements, therefore the high-speed communication system is by RTS
Default 48 destination address fields are substituted for 16 the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information and spare bits in agreement, therefore
The spare bits further include remaining 32 bits in destination address field.It is further preferable that the mobile equipment access institute
After stating the mobile network that base station is covered, realize synchronous with the base station, the base station and the mobile equipment are each other
No longer it is " stealthy equipment ", therefore the transmission address in RTS agreements（48 bits）It can be omitted, then the spare bits further include institute
State the bit sent corresponding to address.
For example, the high-speed communication system chooses the first parameter information of necessity that the base station is used for transmitting：Down channel
Bandwidth, the transimission power of reference signal, physical layer hybrid automatic repeat request indication channel（PHICH）Configuration, help are synchronous same
When play the part of the System Frame Number of timing reference, the configuration of the base station transmission antenna and pre- scheduling of resource, according to default rule will
Above-mentioned first parameter information is assigned in the frame control field in RTS agreements in 9-12 and 14-16.Thus, obtain
The new RTS agreements are sent to the mobile equipment suitable for the RTS agreements of the mobile network, and by the base station.
And for example, the packet situation and money for the mobile equipment that the high-speed communication system is accessed based on the base station
Source block distribution condition, adds other first parameter informations on the basis of necessary first parameter information is chosen, and by selected by
All the first parameter informations with being assigned in the frame control field in RTS agreements 9-12,14-16 and transmission
In 48 bits of location field, to generate the RTS agreements suitable for the mobile network, and as described in the base station will be new
RTS agreements are sent to the mobile equipment.
For another example, the high-speed communication system is by the destination address field in the RTS agreements（48）It is substituted for only 16
The Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information of position, then the base station and the first parameter during the mobile device communication are believed
Breath be assigned in the frame control field in the RTS agreements 9-12,14-16, remaining 32 in destination address field
A bit and send in 48 bits of address field, to obtain the RTS agreements suitable for the mobile network, and by
The base station sends the new RTS agreements to the mobile equipment.
Then, in step s 4, the RTS agreement of the high-speed communication system acquired in based on the mobile equipment,
The second parameter information for reflecting described mobile equipment the present situation is assigned in the spare bits of CTS agreements, and by the movement
Equipment is sent the CTS agreements to the base station based on the first flag information, so that the base station is taking the public affairs
Communicated with the time of frequency range with the mobile equipment.Wherein, second parameter information is including the mobile equipment
Communicated with the base station and be supplied to the relevant information of the base station, it includes but not limited to：Caching report, channel matter
Amount instruction, resource block occupancy situation etc..
The CTS agreements, which refer to, responds RTS agreements in the Handshake Protocol before being communicated for two equipment in WLAN
Allow to send agreement.The definition that the spare bits of the CTS agreements include the bit of any script in the CTS agreements is uncomfortable
In those bits of the mobile network communication, it includes but not limited to：Bit idle in frame control field in CTS agreements
Position.For example, the 12nd bit in frame control field in the CTS agreements represents retransmission bits in the wireless local area network
Position, since control frame is without being lined up re-transmission, therefore the bit is spare bits in handshake communication.It is further preferable that due to described
Mobile equipment has obtained the identification information of other side each other when accessing the mobile network that the base station is covered, therefore the base station and institute
It has no longer been " stealthy equipment " each other to state mobile equipment, then the spare bits further include：It is right that address institute is sent described in CTS agreements
The bit answered.
Specifically, the high-speed communication system is according to default RTS protocol rules, to parse acquired RTS agreements, and
Corresponding second parameter information in the base station is fed back to based on the first parameter information in the RTS agreements.
For example, the high-speed communication system parses the information for including resource block distribution condition in acquired RTS agreements, then
The high-speed communication system is using the occupancy situation of the mobile hold facility resource block as one in the second parameter information
Point, it is encapsulated in the spare bits of CTS agreements, and sent the CTS agreements after encapsulation to the base by the mobile equipment
Stand.
Thus, the base station completes to shake hands with the mobile equipment, and starts to communicate in the public frequency band.
It should be noted that it should be appreciated by those skilled in the art that between above-mentioned steps S1, S2 and step S3, S4 not
Necessarily continuously perform.Wherein, performed during the mobile network that step S1 and S2 is covered in the mobile equipment access base station,
When the base station monitors are idle to public frequency band, the step S3 and step S4 are just performed, so that the base station and the shifting
Dynamic equipment realizes high-speed traffic within the time for taking public frequency band.
Fig. 2 is the structure diagram of the system of the present invention that high-speed traffic is carried out using public frequency band.It is described quick
Communication system 1 includes：Detection module 11, synchronization module 12, request module 13 and respond module 14.Wherein, the detection module
11st, synchronization module 12 and respond module 14 are the application module in mobile equipment 2, and request module 13 is installed in base station
Application module in 3.
Synchronizing signal acquired in the mobile equipment 2 of the detection of detection module 11, and institute is extracted from the synchronizing signal
State the first flag information of the base station 3 corresponding to synchronizing signal.Wherein, the first flag information can be identified for that institute including any
The information of base station 3 is stated, it includes but not limited to：The address information of the base station 3, the mobile equipment 2 are taken in the base station 3
The cell information for cell of being engaged in, it is preferable that the phase that the first flag information is covered by the mobile equipment 2 in the base station 3
Answer the sector identifier of sector.
Specifically, the mobile equipment 2 obtains the synchronizing signal from base station 3, the detection mould based on default frequency range
Protocol rule of the block 11 based on default synchronizing signal detects synchronizing signal described in the frequency range, and is extracted from the synchronizing signal
The first flag information of the base station 3.
For example, 3 each 5ms of base station sends a synchronizing signal, when the mobile equipment 2 is obtained based on competition mechanism
When taking the resource of public frequency band, the mobile equipment 2 starts to obtain the synchronizing signal in default frequency range, then, by institute
State detection module 11 and detect acquired synchronizing signal, to obtain sending the first flag information of the base station 3 of the synchronizing signal,
And preserved.
Then, the mobile equipment 2 is accessed the institute of base station 3 by the synchronization module 12 based on the first flag information
The mobile network of covering, so that second identifier information is distributed in the base station 3 for the mobile equipment 2, and by the second identifier
Information is supplied to the mobile equipment 2.Wherein, the second identifier information is the mobile equipment 2 including any base station 3
The identification information that can distinguish each movement equipment 2 in the mobile network of distribution, it includes but not limited to：IP
Location, it is preferable that the second identifier information is Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information.
It should be noted that it should be appreciated by those skilled in the art that the base station 3 is the mobile distribution of equipment 2 second
The mode of identification information, this will not be detailed here.
For example, the synchronization module 12 sends access based on detected first flag information to corresponding base station 3
16 bits are distributed in the access information of its mobile network covered, the base station 3 based on the access information for the mobile equipment 2
Cell Radio Network Temporary Identifier/Identity, Cell-RNTI, and the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI is sent to the mobile equipment 2, to confirm
State mobile equipment 2 and access the mobile network.
As a result, the mobile equipment 2 is synchronous with the base station 3.
When the public frequency band free time is listened in the base station 3, the request module 13 will reflect that the base station 3 can be with institute
State the first parameter information that mobile equipment 2 communicates and be assigned to RTS agreements（Send request protocol）Spare bits in, and by the base
Stand and 3 send the RTS agreements to the mobile equipment 2.Wherein, first when the base station 3 communicates with the mobile equipment 2
Parameter information includes any being used to ensure that the base station 3 to communicate with the mobile equipment 2 the by what the base station 3 determined
One parameter information, it includes but not limited to：Downstream channel bandwidth, the transimission power of reference signal, physical layer mixed automatic retransfer
Request instruction channel（PHICH）Configuration, help synchronous System Frame Number, 3 transmission antenna of the base station for playing the part of timing reference at the same time
Configuration and pre- scheduling of resource, it is preferable that first parameter information further includes：2 groups of marks of the mobile movement equipment of equipment 2/,
Resource block distribution, the distribution duration of resource block, multiple antennas information, modulation intelligence, load, the pre-scheduling of uplink authorization, movement are set
Standby 2 configured transmissions etc..
The RTS agreements be WLAN in two equipment communicated before Handshake Protocol in request send agreement.
Spare bits in the RTS agreements, which refer to, applies the definition of original bit in mobile network to be unsuitable for the RTS agreements
The respective field of those bits of the mobile network communication or the RTS agreements is divided again through the request module 13
With rear remaining bit.It includes but not limited to：Bit idle in frame control field etc. in RTS agreements.Specifically, institute
Stating spare bits includes：In the RTS agreements 9-12 and 14-16 in frame control field.For example, the RTS agreements
The 9th in frame control byte is " to go to DS " bits, " go to the control of DS " without sending or receiving in a mobile network
Frame, thus this for spare bits it is further preferable that the request module 13 is small corresponding to by the mobile equipment 2 that will be communicated
Area's Radio Network Temporary Identifier information is as the reception address in the RTS agreements, therefore the request module 13 is by RTS agreements
Default 48 destination address fields are substituted for 16 the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information and spare bits, therefore the sky
Not busy position further includes remaining 32 bits in destination address field.It is further preferable that the mobile equipment 2 accesses the base station
After 3 mobile networks covered, realize synchronous with the base station 3, the base station 3 and the mobile equipment 2 are each other not
It is " stealthy equipment " again, therefore the transmission address in RTS agreements（48 bits）It can be omitted, then the spare bits further include described
Send the bit corresponding to address.
For example, the request module 13 chooses the first parameter information of necessity that the base station 3 is used for transmitting：Down channel band
Width, the transimission power of reference signal, physical layer hybrid automatic repeat request indication channel（PHICH）Configuration, help synchronously at the same time
Play the part of the System Frame Number of timing reference, the configuration of 3 transmission antenna of the base station and pre- scheduling of resource, will according to default rule
Above-mentioned first parameter information is assigned in the frame control field in RTS agreements in 9-12 and 14-16.Thus, obtain
The new RTS agreements are sent to the mobile equipment suitable for the RTS agreements of the mobile network, and by the base station 3
2。
And for example, the packet situation and money for the mobile equipment 2 that the request module 13 is accessed based on the base station 3
Source block distribution condition, adds other first parameter informations on the basis of necessary first parameter information is chosen, and by selected by
All the first parameter informations with being assigned in the frame control field in RTS agreements 9-12,14-16 and transmission
In 48 bits of location field, to generate the RTS agreements suitable for the mobile network, and by the base station 3 by new institute
RTS agreements are stated to send to the mobile equipment 2.
For another example, the request module 13 is by the destination address field in the RTS agreements（48）It is substituted for only 16
The Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information, then the first parameter letter when the base station 3 is communicated with the mobile equipment 2
Breath be assigned in the frame control field in the RTS agreements 9-12,14-16, remaining 32 in destination address field
A bit and send in 48 bits of address field, to obtain the RTS agreements suitable for the mobile network, and by
The base station 3 sends the new RTS agreements to the mobile equipment 2.
Then, the RTS agreement of the respond module 14 acquired in based on the mobile equipment 2, will reflect the shifting
Second parameter information of 2 the present situation of dynamic equipment is assigned in the spare bits of CTS agreements, and is based on institute by the mobile equipment 2
State first flag information to send the CTS agreements to the base station 3, so that the base station 3 is taking the public frequency band
Communicate in time with the mobile equipment 2.Wherein, second parameter information include the mobile equipment 2 in order to institute
State base station 3 to be communicated and be supplied to the relevant information of the base station 3, it includes but not limited to：Caching report, channel quality refer to
Show, resource block occupancy situation etc..
The CTS agreements, which refer to, responds RTS agreements in the Handshake Protocol before being communicated for two equipment in WLAN
Allow to send agreement.The definition that the spare bits of the CTS agreements include the bit of any script in the CTS agreements is uncomfortable
In those bits of the mobile network communication, it includes but not limited to：Bit idle in frame control field in CTS agreements
Position.For example, the 12nd bit in frame control field in the CTS agreements represents retransmission bits in the wireless local area network
Position, since control frame is without being lined up re-transmission, therefore the position is spare bits in handshake communication.It is further preferable that due to the movement
Equipment 2 has obtained the identification information of other side each other when accessing the mobile network that the base station 3 is covered, therefore the base station 3 and institute
It has no longer been " stealthy equipment " each other to state mobile equipment 2, then the spare bits further include：Address institute is sent described in CTS agreements
Corresponding bit.
Specifically, the respond module 14 is according to default RTS protocol rules, to parse acquired RTS agreements, and base
The first parameter information in the RTS agreements feeds back to corresponding second parameter information in the base station 3.
For example, the respond module 14 parses the information for including resource block distribution condition in acquired RTS agreements, then institute
State respond module 14 and the mobile equipment 2 taken into the occupancy situation of the resource block as the part in the second parameter information,
It is encapsulated in the spare bits of CTS agreements, and is sent the CTS agreements after encapsulation to the base station by the mobile equipment 2
3。
Thus, the base station 3 completes to shake hands with the mobile equipment 2, and starts to communicate in the public frequency band.
It should be noted that it should be appreciated by those skilled in the art that above-mentioned synchronization module 12 and request module 13, response mould
Not necessarily continuously performed between block 14.Wherein, synchronization module 12 accesses what the base station 3 was covered in the mobile equipment 2
Performed during mobile network, when the base station 3 monitors the public frequency band free time, just perform the request module 13 to the movement
Equipment 2 sends the RTS agreements before communication, and then the respond module 14 responds CTS agreements, so as to the base station 3 and the shifting
2 exchange parameter information of dynamic equipment, it is thus achieved that the base station 3 and the mobile equipment 2 are within the time for taking public frequency band
Realize high-speed traffic.
In conclusion the method and system of the present invention that high-speed traffic is carried out using public frequency band, by using nothing
Line local area network improves mobile equipment and base station and takes before public frequency band communicated in the Handshake Protocol of public frequency band, foundation
The problem of overlong time of communication, specifically, the characteristics of for mobile network, redistribute and be only applicable in RTS/CTS agreements
Bit in Wireless LAN, effectively reduce mobile equipment and base station transmit before communicating parameter information each other when
Between；At the same time, it is contemplated that the characteristics of mobile network, the mobile network that is first covered mobile equipment access base station so that movement is set
It is standby with base station before communicating each other no longer " stealth ", so, it is possible to compress more spare bits from RTS/CTS agreements, with
Distribute the parameter information between the mobile equipment and base station.So the present invention effectively overcome it is of the prior art it is a variety of lack
Put and have high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (12)
- A kind of 1. method that high-speed traffic is carried out using public frequency band, it is characterised in that the method includes at least：When mobile equipment detects acquired synchronizing signal, the first of corresponding base station is extracted from the synchronizing signal Identification information；The mobile network for being covered the mobile equipment access base station based on the first flag information, the base station is The mobile equipment distribution second identifier information, and the second identifier information is supplied to the mobile equipment；When the public frequency band free time is listened in the base station, it will reflect that the base station can be with the first of the mobile device communication Parameter information is assigned in the spare bits of RTS agreements, and is sent the RTS agreements to the mobile equipment by the base station；The RTS agreements acquired in based on the mobile equipment, will reflect second parameter of described mobile equipment the present situation Information is assigned in the spare bits of CTS agreements, and is based on the first flag information by the CTS agreements by the mobile equipment Send to the base station, so that the base station communicates within the time for taking the public frequency band with the mobile equipment.
- 2. the method according to claim 1 that high-speed traffic is carried out using public frequency band, it is characterised in that the RTS associations Spare bits in view include at least：Destination address field in bit idle in frame control field, RTS agreements in RTS agreements In remaining bits position in addition to the second identifier information, one kind in address field is sent in RTS agreements.
- 3. the method according to claim 1 that high-speed traffic is carried out using public frequency band, it is characterised in that the CTS associations Spare bits in view include at least：Bit idle in frame control field in CTS agreements, send address described in CTS agreements One kind in corresponding bit.
- 4. the method according to claim 1 that high-speed traffic is carried out using public frequency band, it is characterised in that first ginseng Number information includes at least：Downstream channel bandwidth, the transimission power of reference signal, physical layer hybrid automatic repeat request indication channel Configuration, help to play the part of the System Frame Number of timing reference, the configuration of the base station transmission antenna and pre- scheduling of resource during synchronization.
- 5. the method according to claim 1 that high-speed traffic is carried out using public frequency band, it is characterised in that first mark Know the sector identifier for the respective sectors that information is covered by the mobile equipment in the base station.
- 6. the method according to claim 1 that high-speed traffic is carried out using public frequency band, it is characterised in that second mark Knowledge information is Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information.
- 7. a kind of system that high-speed traffic is carried out using public frequency band, it is characterised in that the system includes at least：Detection module, for detecting the synchronizing signal acquired in mobile equipment, and it is corresponding from the synchronizing signal to extract its The first flag information of base station；Synchronization module, for the mobile network for being covered the mobile equipment access base station based on the first flag information Network, so that second identifier information is distributed in the base station for the mobile equipment, and the second identifier information is supplied to described Mobile equipment；Request module, for listened in the base station public frequency band free time when, will reflect that the base station can be with the movement First parameter information of equipment communication is assigned in the spare bits of RTS agreements, and by the base station by the RTS agreements send to The mobile equipment；Respond module, for the RTS agreements acquired in based on the mobile equipment, will reflect the current shape of mobile equipment Second parameter information of condition is assigned in the spare bits of CTS agreements, and is based on the first flag information by the mobile equipment The CTS agreements are sent to the base station, so as to the base station within the time for taking the public frequency band with the movement Equipment communicates.
- 8. the system according to claim 7 that high-speed traffic is carried out using public frequency band, it is characterised in that the RTS associations Spare bits in view include at least：Destination address field in bit idle in frame control field, RTS agreements in RTS agreements In remaining bits position in addition to the second identifier information, send in RTS agreements in bit corresponding to address field It is a kind of.
- 9. the system according to claim 7 that high-speed traffic is carried out using public frequency band, it is characterised in that the CTS associations Spare bits in view include at least：Transmission address word in CTS agreements in bit idle in frame control field, CTS agreements One kind in bit corresponding to section.
- 10. the system according to claim 7 that high-speed traffic is carried out using public frequency band, it is characterised in that described first Parameter information includes at least：Downstream channel bandwidth, the transimission power of reference signal, physical layer hybrid automatic repeat-request instruction letter Road configuration, help to play the part of the System Frame Number of timing reference, the configuration of the base station transmission antenna and pre- scheduling of resource during synchronization.
- 11. the system according to claim 7 that high-speed traffic is carried out using public frequency band, it is characterised in that described first The sector identifier for the respective sectors that identification information is covered by the mobile equipment in the base station.
- 12. the system according to claim 7 that high-speed traffic is carried out using public frequency band, it is characterised in that described second Identification information is Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information.
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| CN104935401B (en) * | 2014-03-21 | 2018-06-19 | 上海诺基亚贝尔股份有限公司 | A kind of equipment is used for transmission data method and apparatus in communicating to equipment |
| CN104333902B (en) * | 2014-11-06 | 2018-05-15 | 东莞宇龙通信科技有限公司 | Method of data synchronization, synchronization system, the equipment and terminal with base station functions |
| WO2016101284A1 (en) * | 2014-12-27 | 2016-06-30 | 华为技术有限公司 | Method and device for using unlicensed frequency spectrum |
| KR102018145B1 (en) | 2015-01-28 | 2019-09-04 | 후지쯔 가부시끼가이샤 | Wireless communication system, base station apparatus and terminal apparatus |
| WO2016134539A1 (en) | 2015-02-28 | 2016-09-01 | 华为技术有限公司 | Frequency band sharing method, apparatus and system |
| JPWO2017026463A1 (en) * | 2015-08-13 | 2018-07-05 | 株式会社Ｎｔｔドコモ | User device and signal transmission method |
| WO2017132839A1 (en) * | 2016-02-02 | 2017-08-10 | Nec Corporation | Method and device for performing partial subframe transmission |
| CN106027181B (en) * | 2016-07-15 | 2019-09-13 | 北京邮电大学 | A kind of channel measurement and feedback method based on cognitive radio technology |
| CN107734673B (en) * | 2016-08-12 | 2023-09-26 | 中兴通讯股份有限公司 | Information configuration method, device, base station and terminal |
| CN110831160B (en) * | 2018-08-07 | 2022-04-22 | 华为技术有限公司 | Method and apparatus for channel occupancy indication |
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| CN101697635A (en) * | 2009-09-16 | 2010-04-21 | 重庆大学 | Access method and control method of cognitive wireless MESH network |
| CN102231893A (en) * | 2011-06-21 | 2011-11-02 | 北京交通大学 | LTE (long term evolution) synchronization signal detection method |
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| US7782822B2 (en) * | 2006-06-13 | 2010-08-24 | Texas Instruments Incorporated | Reducing collisions in beamforming wireless systems |
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| CN101697635A (en) * | 2009-09-16 | 2010-04-21 | 重庆大学 | Access method and control method of cognitive wireless MESH network |
| CN102231893A (en) * | 2011-06-21 | 2011-11-02 | 北京交通大学 | LTE (long term evolution) synchronization signal detection method |
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