CN106304385A - A kind of multichannel takies method and device - Google Patents
A kind of multichannel takies method and device Download PDFInfo
- Publication number
- CN106304385A CN106304385A CN201510243902.2A CN201510243902A CN106304385A CN 106304385 A CN106304385 A CN 106304385A CN 201510243902 A CN201510243902 A CN 201510243902A CN 106304385 A CN106304385 A CN 106304385A
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- China
- Prior art keywords
- carrier wave
- resource
- carrier
- reservation
- takies
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0808—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA
- H04W74/0816—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA carrier sensing with collision avoidance
Abstract
The present invention provides a kind of multichannel to take method and device, base station and terminal, and the method includes: carries out carrier wave on competitive resource and seizes；After successfully seizing, reservation takies one or more carrier wave.Can prevent other websites from seizing the problem of unauthorized carrier wave well according to the present invention, and multiple unauthorized carrier wave can be taken simultaneously, reach to improve efficiency of transmission, synchronize, the effect such as measurement.
Description
Technical field
The present invention relates to field of mobile wireless communication, particularly relate to base station (or community or access node)
Multichannel corresponding in unauthorized carrier wave takies method and device, base station and terminal.
Background technology
In the evolution process of LTE, in JIUYUE, 2014, LTE Rel-13 version starts project verification and grinds
Studying carefully, wherein in Rel-13, an important project verification is exactly that LTE system uses unauthorized carrier operation.This
Item technology, by making LTE system can use the unauthorized carrier wave that presently, there are, is greatly promoted LTE system
The potential frequency spectrum resource of system so that LTE system is obtained in that lower frequency spectrum cost.
Unauthorized carrier wave has a following feature:
1, free/low expense: need not buy unlicensed spectrum, frequency spectrum resource is zero cost.
2, requirements for sale is low, low cost: individual, enterprise can participate in disposing, and the equipment of equipment vendor can
Arbitrarily to dispose.
3, resource is shared: when multiple different systems are all runed wherein, or the different operators of same system
When runing wherein, it may be considered that the mode of some shared resources, improve spectrum efficiency.
4, wireless access technology is many: can use different communication standards, but cooperation difficulty is big, network is opened up
Flutter various.
5, wireless access website is many: number of users is big, but cooperation difficulty is big, and centralized management expense is big.
6, application is many: multiple business can be runed wherein, such as: machine to machine (Machine to
Machine, is called for short M2M) business, automobile to automobile (Vehicle to vehicle, abbreviation V2V) industry
Business.
Features described above determines unauthorized carrier wave and is probably one important evolution tendency of wireless communication system,
But there is also problems, such as: unauthorized carrier wave will exist various wireless system simultaneously,
It is difficult to each other coordinate, serious interference.
WLAN (Wireless Local Area Network, WLAN)/WIFI at present
Injection frequency multichannel, the many letters of many radio frequencies is had present in (Wireless Fidelity, Wireless Fidelity) system
Road communication work mode, specifically includes:
MMAC (Multi-channel MAC, multi-channel MAC (Medium Access Control,
Medium education)) the time be divided into ATIM (Announcement Traffic Indication Message,
Broadcast transmission indicating information, channel negotiation window) and data (data) window.Make at ATIM window
Use by PCL (Preferable Channel List, priority channel table) negotiated channel, at data window
Launch data.
CHMA (Channel Hopping Multiple Access, channel hopping multiple access accesses) all joints
Point is in compliance with public saltus step table, and the node having data to transmit stops and do not enters back into jumping after saltus step, transmission
Become.
SSCH (Slotted Seeded Channel Hopping, segmentation inserting channel jumps) is available
Frequency domain resource carries out frequency division, carries out saltus step at regular intervals, respective maintenance channel saltus step table, and want and
Time transmission update after saltus step table.
DCA (Dynamic Channel Allocation, dynamic channel allocation) has special control channel,
And data transmission channel.Control channel and solve channel distribution and conflict, data channel transmission data.Have
CUL (Channel Use List, channel uses table), FCL (Free Channel List, idle channel
Table).Such as node A launches RTS (Request To Send, request sends) subsidiary FCL, node
B contrasts the CUL of oneself after receiving, select available channel, and launch CTS (Clear To Send,
Clear to send) give node A and surroundings nodes.
PCAM (Primary Channel Assignment based MAC distributes based on MAC main channel)
Introducing the main channel (fix, and other nodes are known the most mutually) distributed in advance, second channel is number
It is believed that (not fixing), the 3rd channel is broadcast channel.When transmitting terminal is different with the main channel of receiving terminal
Time, transmitting terminal is switched in the main channel of receiving terminal communicate；Can directly communicate when identical；When connecing
When receiving end uses broadcast channel as main channel, now receiving terminal broadcast channel is unavailable, and launches end-grain cutting
Change to communicate in the main channel of receiving terminal.
Having the injection multi channel mode of frequency for first three, its shortcoming is mainly synchronization and only has one
Channel is in work；Having the multi channel mode of many radio frequencies for latter two, its shortcoming is primarily introduced into special
Channel, efficiency reduce.And for LAA (Licensed Assisted Access authorizes and assists to access)
Website is required to carry out ED (Energy Detection, energy measuring) before using unauthorized carrier wave,
Or CCA/eCCA (Clear Channel Assessment, clear channel assessment (CCA)/Enhanced Clear
Channel Assessment, the clear channel assessment (CCA) of enhancing) process, take and the most also use this unauthorized
Carrier wave, but taking, at present still without the side of efficiently solving about multiple channels (the most multiple carrier wave)
Case.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of multichannel and takies method and device, base station and end
End, to prevent other websites from seizing unauthorized carrier wave.
In order to solve above-mentioned technical problem, the invention provides a kind of multichannel and take method, including:
Competitive resource carries out carrier wave seize；
After successfully seizing, reservation takies one or more carrier wave.
Further, said method also has a following feature:
The described carrier wave that carries out on competitive resource is seized and is comprised determining that available total resources, from described available
Total resources in mark off the first appointment resource, specify described first and carry out carrier wave in resource and seize；
After successfully seizing, in the resource that reservation takies in described total resources in addition to described first specifies resource
One or more carrier waves.
Further, said method also has a following feature: described virtual take during include:
Receive the carrier occupancy information that WIFI website is launched；
According to described carrier occupancy information, reservation takies in described total resources in addition to described first specifies resource
Resource in one or more carrier resources.
Further, said method also has following feature: described appointment described first is carried out in resource
During carrier wave is seized, also include:
As described first specify resource the most occupied, then redefine available total resources, from described again
The available total resources determined repartition out the second appointment resource again, specifies in resource described second
Carry out carrier wave to seize.
Further, said method also has a following feature:
The described carrier wave that carries out on competitive resource is seized and is comprised determining that available total resources, by described available
Total resources be divided into multiple carrier wave set, each carrier wave set includes one or more carrier wave, seizes one
Or multiple carrier wave set；
After successfully seizing, reservation takies all carrier waves in seized carrier wave set.
Further, said method also has a following feature: described competitive resource enterprising rob to account for also wrap
Include:
Receive the carrier occupancy information that WIFI website is launched；
According to described carrier occupancy information, described available total resources are divided into multiple carrier wave set.
Further, said method also has a following feature: described in seize carrier wave set during, including:
Carrier wave set as to be seized is the most occupied, then redefine available carrier wave set, described available
Carrier wave set is seized.
Further, said method also has following feature: after described reservation takies one or more carrier wave,
Also include:
Launching the carrier occupancy information of the same format launched with described WIFI website, described carrier wave accounts for
Frequency resource information and one taken in duration information is at least included by information.
Further, said method also has a following feature: the process of the one or more carrier wave of described reservation
In, including:
The carrier wave that detection reservation takies is the most occupied, without occupied, the most successfully takies described
The carrier wave of reservation, if the most occupied, then abandons the carrier wave of described reservation.
Further, said method also has following feature: also include:
Broadcast reservation occupied information, when described reservation occupied information at least includes frequency resource information and takies
In long message one.
In order to solve the problems referred to above, present invention also offers a kind of multichannel and take device, wherein, including:
Seize module, seize for carrying out carrier wave on competitive resource；
Reservation module, after being used for successfully seizing, reservation takies one or more carrier wave.
Further, said apparatus also has a following feature:
Described seize module, competitive resource carry out carrier wave and seizes and comprise determining that available total resources,
From described available total resources, mark off the first appointment resource, specify described first and carry in resource
Ripple is seized；
Described reservation module, seizes after module successfully seizes described, and reservation takies in described total resources and removes
Described first specifies the one or more carrier waves in the resource outside resource.
Further, said apparatus also has following feature: also include,
Receiver module, for receiving the carrier occupancy information that WIFI website is launched；
Described reservation module, for according to described carrier occupancy information, preengages in described total resources except described
First specifies the one or more carrier resources in the resource outside resource.
Further, said apparatus also has a following feature:
Described seize module, specify described first and carry out also including during carrier wave is seized in resource:
As described first specifies resource the most occupied, then redefine available total resources, redefine from described
Available total resources in repartition out the second appointment resource again, specify described second and carry out in resource
Carrier wave is seized.
Further, said apparatus also has a following feature:
Described seize module, competitive resource carry out carrier wave and seizes and comprise determining that available total resources,
Described available total resources are divided into multiple carrier wave set, and each carrier wave set includes one or more carrier wave,
Seize one or more carrier wave set；
Described reservation module, specifically for seizing after module successfully seizes described, reservation takies is seized
All carrier waves in carrier wave set.
Further, said apparatus also has following feature: also include:
Receiver module, for receiving the carrier occupancy information that WIFI website is launched；
Described seize module, be according to described carrier occupancy information, described available total resources to be divided into many
Individual carrier wave set.
Further, said apparatus also has a following feature:
Described seize module, include during seizing carrier wave set: the carrier wave set as to be seized is the most occupied,
Then redefine available carrier wave set, seize in described available carrier wave set.
Further, said apparatus also has following feature: also include:
Transmitter module, for launching the carrier occupancy letter of the same format launched with described WIFI website
Breath, described carrier occupancy information at least includes frequency resource information and one taken in duration information.
Further, said apparatus also has a following feature:
Described reservation module, reservation includes during taking one or more carrier wave: detection reservation takies
Carrier wave the most occupied, without occupied, the most successfully take the carrier wave that described reservation takies,
If the most occupied, then abandon the carrier wave that described reservation takies.
Further, said apparatus also has following feature: also include:
Broadcast module, is used for broadcasting reservation occupied information, and described reservation occupied information at least includes that frequency provides
Source information and taken in duration information.
In order to solve the problems referred to above, present invention also offers a kind of base station, take dress including above-mentioned multichannel
Put.
In order to solve the problems referred to above, present invention also offers a kind of terminal, take dress including above-mentioned multichannel
Put.
To sum up, the present invention provides a kind of multichannel to take method and device, base station and terminal, it is possible to very well
Prevent other websites from seizing the problem of unauthorized carrier wave, and multiple unauthorized carrier wave can be taken simultaneously,
Reach to improve efficiency of transmission, synchronize, the effect such as measurement.
Accompanying drawing explanation
Fig. 1 is the flow chart that a kind of multichannel of the embodiment of the present invention takies method.
Fig. 2 is the flow chart that a kind of multichannel of the embodiment of the present invention one takies method.
Fig. 3 is the flow chart that a kind of multichannel of the embodiment of the present invention two takies method.
Fig. 4 is the flow chart that a kind of multichannel of the embodiment of the present invention three takies method.
Fig. 5 is the flow chart that a kind of multichannel of the embodiment of the present invention four takies method.
Fig. 6 is the flow chart that a kind of multichannel of the embodiment of the present invention five takies method.
Fig. 7 is the schematic diagram that a kind of multichannel of the embodiment of the present invention takies device.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing
Embodiments of the invention are described in detail.It should be noted that in the case of not conflicting, this Shen
Embodiment in please and the feature in embodiment can mutual combination in any.
Fig. 1 is the flow chart that a kind of multichannel of the embodiment of the present invention takies method, as it is shown in figure 1, this
The method of embodiment comprises the following steps:
Step S11, competitive resource carries out carrier wave seize；
Step S12, successfully seize after, reservation take one or more carrier wave.
In a preferred embodiment, described multichannel takies method and may include that
Determine available total resources, from described available total resources, mark off the first appointment resource, in institute
State and carry out carrier wave in the first appointment resource and seize, such as, described available total resources are divided into fixing competing
Strive resource and virtual take resource, accounting for described enterprising the robbing of fixing competitive resource；
After successfully seizing, in the resource that reservation takies in described total resources in addition to described first specifies resource
One or more carrier waves, the most virtual take the described virtual one or more carrier waves taken in resource.
Wherein, described fixing competitive resource can include one or more carrier wave, described virtual takies resource
One or more carrier wave can be included.
In a preferred embodiment, described multichannel takies method and may include that
Determine available total resources, described available total resources are divided into multiple carrier wave set, each carrier wave
Group includes one or more carrier wave, seizes one or more carrier wave set；
After successfully seizing, reservation takies all carrier waves in seized carrier wave set.
With several embodiments, the method for the present invention is described in detail below.
Embodiment one:
As in figure 2 it is shown, comprise the following steps:
Step 101, LAA website determines available total resources R；
LAA website in the present embodiment can be any communication node of base station, terminal, relay station etc..
Step 102, available total resources R is divided into LBT, and (Listen Before Talk, after first listening
Say) resource R1 and virtual take resource R2；
Assume that currently available maximum spectrum resource is 200MHz, wherein mark off fixing resource R1
For 20MHz, seize for all LAA websites (LAA1 website and LAA2 website), note
Meaning R1 remains and can be used by WIFI, so the selection of R1 should be avoided WIFI and enliven as far as possible
Carrier (carrier wave).
Step 103, LAA website is at war with on R1, as seized successfully, then goes to step 104；As
Do not seize successfully, then go to step 106；
LAA1 website is seized with the system bandwidth of 5MHz/carrier, removes R1 maximum and has 36
Individual available carrier, it is contemplated that seize the frequency spectrum resource of 40MHz；LAA2 website is with 20MHz/carrier
System bandwidth seize, remove R1 maximum have 9 available carrier, it is contemplated that seize 60MHz.
Step 104, LAA1 website is seized in R1 position, after successfully seizing, empty in R2 position
Intend taking the frequency spectrum resource of (i.e. reservation takies) 4 5MHz/carrier, and broadcasting virtual occupied information,
LAA2 website then will not continue to account for these 4 enterprising robbing of carrier wave.
LAA1 website carries out ED, CCA/eCCA detection on these 4 carrier waves.
Step 105, LAA1 website has detected whether that other websites use on these 4 carrier waves, may
There is WIFI website in situation about using.Without use, then LAA1 website successfully takies；As
Fruit has use, then LAA1 website abandons the carrier wave used.
Step 106, LAA2 website carries out not seizing successfully in R1 position, then LAA2 website has
Two kinds of selections: select 1, wait the release of R1 resource, re-start said process, but be to wait for time delay mistake
Greatly；Select 2, according to broadcasting virtual occupied information, redefine available total resources, return step 101,
Specific as follows:
The available carrier, i.e. 200-40=160 that LAA2 website correction competition carrier and maximum have
As currently available maximum spectrum resource, mark off fixing resource R1_new is 20MHz simultaneously,
The most now remove R1_new maximum and have 7 available carrier, it is contemplated that seize 60MHz.
LAA2 website is seized in R1_new position, after successfully seizing, virtual in R2_new position
Take the frequency spectrum resource of 2 20MHz/carrier, and broadcasting virtual occupied information, other LAA websites
Then will not continue to account for these 2 enterprising robbing of carrier wave.
LAA2 website carries out ED, CCA/eCCA on these 2 carrier waves and detects whether there may exist
WIFI website is in situation about using.If carrier wave does not has occupied, then LAA2 website successfully takies；As
Fruit is the most occupied, then LAA2 website abandons the carrier wave used.
Other LAA websites are identical with LAA2 website processing procedure.
Embodiment two:
As it is shown on figure 3, comprise the following steps:
Step 201, determines available total resources R；
Step 202, is divided into carrier wave set G available total resources R；
Assume that currently available maximum spectrum resource is 200MHz, wherein corresponding 1 carrier wave of G1
20MHz, G2 corresponding 2 carrier wave 2*20MHz, G3 corresponding 3 carrier wave 3*20MHz, G4 are corresponding
4 carrier wave 4*20MHz, G1-G4 amounts to 200MHz.For all LAA websites, (LAA1 stands
Point and LAA2 website) seize, noticing that G1-G4 remains can be used by WIFI, institute
The active carrier of WIFI should be avoided with the selection of G1-G4 as far as possible.LAA1 website is anticipated to be seized
The frequency spectrum resource of 40MHz, LAA2 website estimates to seize the frequency spectrum resource of 60MHz.
Step 203, LAA website is at war with in corresponding carrier wave set G, as seized successfully, then turns step
Rapid 204；As do not seized successfully, then go to step 206；
Step 204, LAA1 website is estimated to seize the frequency spectrum resource of 40MHz, is preferentially carried out on G2
Seize, the virtual frequency spectrum resource taking this 40MHz after successfully seizing, and broadcasting virtual occupied information,
LAA2 website then will not continue to account for enterprising the robbing of G2.
LAA1 website carries out ED, CCA/eCCA detection on G2.
Step 205, LAA1 website has detected whether that on G2 other websites use, it is understood that there may be WIFI
Website is in situation about using.Without use, then LAA1 website successfully takies；If there being use,
Then LAA1 website abandons the carrier wave used.
Step 206, LAA2 website has two kinds of selections: select 1, waits the release of G2 resource, again enters
Row said process, but it is excessive to be to wait for time delay；Select 2, according to broadcasting virtual occupied information, the most really
Fixed available carrier wave set G, is then back to step 203, specific as follows:
LAA2 website estimates to seize the frequency spectrum resource of 60MHz, preferentially accounts for enterprising the robbing of G3, success
The virtual frequency spectrum resource taking this 60MHz after seizing, and broadcasting virtual occupied information, other LAA stand
Point then will not continue to account for enterprising the robbing of G3.
LAA2 website carries out ED, CCA/eCCA on G3 and detects whether to there may exist WIFI station
Point is in situation about using.Without use, then LAA2 website successfully takies；If there being use, then
LAA2 website abandons the carrier wave used.
Other LAA websites are identical with LAA2 website processing procedure.
Embodiment three
As shown in Figure 4, comprise the following steps:
Step 301: determine available total resources R；
Step 302: available total resources R is divided into LBT resource R1 and virtual takies resource R2；
Assume that currently available maximum spectrum resource is 100MHz, wherein mark off fixing resource R1
For 5MHz, seize for all LAA websites (LAA1 website and LAA2 website), note
R1 remains and can be used by WIFI, thus the selection of R1 should to avoid WIFI active as far as possible
carrier。
Step 303:LAA website is at war with on R1, as seized successfully, then goes to step 304；As
Do not seize successfully, then go to step 305；
LAA1 website is seized with the system bandwidth of 5MHz/carrier, removes R1 maximum and has 19
Individual available carrier, it is contemplated that seize the frequency spectrum resource of 20MHz；LAA2 website is with 5MHz/carrier
System bandwidth seize, remove R1 maximum have 19 available carrier, it is contemplated that seize
40MHz。
Step 304, LAA1 website is seized in R1 position, after successfully seizing, optionally receives
The carrier occupancy information that WIFI website is launched, and according to described information, takies 3 R2 position is virtual
The frequency spectrum resource of individual 5MHz/carrier, and broadcasting virtual occupied information, LAA2 website then will not continue to
Account for these 3 enterprising robbing of carrier wave, the optional load launching the same format launched with WIFI website
Ripple occupied information, WIFI website then will not continue to account for these 3 enterprising robbing of carrier wave.
LAA1 website carries out ED, CCA/eCCA detection on these 3 carrier waves.
Step 305, LAA1 website has detected whether that other websites use on these 3 carrier waves, may
There is WIFI website in situation about using.Without use, then LAA1 website successfully takies；As
Fruit has use, then LAA1 website abandons the carrier wave used.
Step 306, LAA2 website has two kinds of selections: select 1, waits the release of R1 resource, again enters
Row said process, but it is excessive to be to wait for time delay；Select 2, according to broadcasting virtual occupied information, again
Determine available total resources, return step 101, specific as follows:
The available carrier, i.e. 100-20=80 that LAA2 website correction competition carrier and maximum have
As currently available maximum spectrum resource, mark off fixing resource R1_new is 5MHz simultaneously,
The most now remove R1_new maximum and have 15 available carrier, it is contemplated that seize 40MHz.
LAA2 website is seized in R1_new position, after successfully seizing, optionally receives WIFI
The carrier occupancy information that website is launched, and according to described information, takies 7 R2_new position is virtual
The frequency spectrum resource of individual 5MHz/carrier, and broadcasting virtual occupied information, other LAA websites then will not continue
Continue and account for these 7 enterprising robbing of carrier wave, the same format that optional transmitting and WIFI website are launched
Carrier occupancy information, WIFI website then will not continue to account for these 7 enterprising robbing of carrier wave.
LAA2 website carries out ED, CCA/eCCA on these 7 carrier waves and detects whether there may exist
WIFI website is in situation about using.Without use, then LAA2 website successfully takies；If made
With, then LAA2 website abandons the carrier wave used.
Other LAA websites are identical with LAA2 website processing procedure.
Embodiment four:
As it is shown in figure 5, comprise the following steps:
Step 401, determines available total resources R；
Step 402, is divided into carrier wave set G available total resources R；
Assuming that currently available maximum spectrum resource is 100MHz, the optional WIFI website that receives is launched
Carrier occupancy information, and divide carrier wave set according to described information, wherein, corresponding 1 carrier wave of G1
Corresponding 3 the carrier wave 3*5MHz of 5MHz, G2 corresponding 2 carrier wave 2*5MHz, G3, G4 correspondence 4
Corresponding 5 the carrier wave 5*5MHz of individual carrier wave 4*5MHz, G5 corresponding 5 carrier wave 5*5MHz, G6,
G1 ... G6 amounts to 100MHz.Enter for all LAA websites (LAA1 website and LAA2 website)
Robbing and account for, noticing that G1-G6 remains can be used by WIFI, so the selection of G1-G6 should
This avoids the carrier that WIFI is active as far as possible.LAA1 website estimates to seize the frequency spectrum resource of 10MHz,
LAA2 website estimates to seize the frequency spectrum resource of 20MHz.
Step 403, LAA website is at war with in corresponding carrier wave set G, and LAA website seizes one
Carrier wave set, as seized successfully, then goes to step 404；As do not seized successfully, then go to step 406；
Step 404, LAA1 website is estimated to seize the frequency spectrum resource of 10MHz, is preferentially carried out on G2
Seize, the virtual frequency spectrum resource taking this 10MHz after successfully seizing, and broadcasting virtual occupied information,
LAA2 website then will not continue to account for enterprising the robbing of G2, and optional transmitting and WIFI website are launched
The carrier occupancy information of same format, WIFI website then will not continue to account for enterprising the robbing of G2.
LAA1 website carries out ED, CCA/eCCA detection on G2.
Step 405, LAA1 website has detected whether that on G2 other websites use, it is understood that there may be WIFI
Website is in situation about using.Without use, then LAA1 website successfully takies；If there being use,
Then LAA1 website abandons the carrier wave used.
Step 406, LAA2 website has two kinds of selections: select 1, waits the release of G2 resource, again enters
Row said process, but it is excessive to be to wait for time delay；Select 2, according to broadcasting virtual occupied information, the most really
Fixed available carrier wave set G, the carrier occupancy information that optional reception WIFI website is launched, and according to
Described information divides carrier wave set G, is then back to step 403, specific as follows:
LAA2 website estimates to seize the frequency spectrum resource of 20MHz, preferentially accounts for enterprising the robbing of G4, success
The virtual frequency spectrum resource taking this 20MHz after seizing, and broadcasting virtual occupied information, other LAA stand
Point then will not continue to account for enterprising the robbing of G4, the same format that optional transmitting and WIFI website are launched
Carrier occupancy information, WIFI website then will not continue to account for enterprising the robbing of G2.
LAA2 website carries out ED, CCA/eCCA on G4 and detects whether to there may exist WIFI station
Point is in situation about using.Without use, then LAA2 website successfully takies；If there being use, then
LAA2 website abandons the carrier wave used.
Other LAA websites are identical with LAA2 website processing procedure.
In embodiment four, it is also possible to the duration that agreement takies, as follows:
Assume that currently available maximum spectrum resource is 100MHz, wherein corresponding 1 the carrier wave 5MHz of G1,
Corresponding 4 carrier waves of G2 corresponding 2 carrier wave 2*5MHz, G3 corresponding 3 carrier wave 3*5MHz, G4
4*5MHz, G5 corresponding 5 carrier wave 5*5MHz, G6 corresponding 5 carrier wave 5*5MHz, G1-G6
Amounting to 100MHz, once seize successfully, agreement takies 10ms.
In step 404, LAA1 website estimates to seize the frequency spectrum resource of 10MHz, preferentially enterprising at G2
Rob and account for, the virtual frequency spectrum resource taking this 10MHz after successfully seizing, and broadcasting virtual occupied information,
Agreement takies 10ms, LAA2 website and then will not continue to account for enterprising the robbing of G2, optional launch and
The carrier occupancy information of the same format that WIFI website is launched, WIFI website then will not continue at G2
Enterprising robbing accounts for.
In step 406, LAA2 website estimates to seize the frequency spectrum resource of 20MHz, preferentially carries out on G4
Seize, the virtual frequency spectrum resource taking this 20MHz after successfully seizing, and broadcasting virtual occupied information,
Agreement takies 10ms, and other LAA websites then will not continue to account for enterprising the robbing of G4.
Embodiment five:
As shown in Figure 6, comprise the following steps:
Step 501, determines available total resources R；
Step 502, is divided into carrier wave set G available total resources R；
Assuming that currently available maximum spectrum resource is 100MHz, the optional WIFI website that receives is launched
Carrier occupancy information, and divide carrier wave set according to described information, wherein, corresponding 1 carrier wave of G1
Corresponding 3 the carrier wave 3*5MHz of 5MHz, G2 corresponding 2 carrier wave 2*5MHz, G3, G4 correspondence 4
Corresponding 5 the carrier wave 5*5MHz of individual carrier wave 4*5MHz, G5 corresponding 5 carrier wave 5*5MHz, G6,
G1 ... G6 amounts to 100MHz.Enter for all LAA websites (LAA1 website and LAA2 website)
Robbing and account for, noticing that G1-G6 remains can be used by WIFI, so the selection of G1-G6 should
This avoids the carrier that WIFI is active as far as possible.LAA1 website estimates to seize the frequency spectrum resource of 30MHz,
LAA2 website estimates to seize the frequency spectrum resource of 20MHz.
Step 503, LAA website is at war with in corresponding carrier wave set G, and LAA website is seized multiple
Carrier wave set, as seized successfully, then goes to step 504；As do not seized successfully, then go to step 506；
Step 504, LAA1 website estimates to seize the frequency spectrum resource of 30MHz, preferentially at G5 and G1
Enterprising robbing accounts for, the virtual frequency spectrum resource taking this 10MHz after successfully seizing, and broadcasting virtual takies
Information, LAA2 website then will not continue to account for enterprising the robbing of G5 and G1, optional transmitting and WIFI
The carrier occupancy information of the same format that website is launched, WIFI website then will not continue at G5 and G1
Enterprising robbing accounts for.
LAA1 website carries out ED, CCA/eCCA detection on G5 and G1.
Step 505, LAA1 website has detected whether that on G5 and G1 other websites use, Ke Nengcun
At WIFI website in situation about using.Without use, then LAA1 website successfully takies；If
Have use, then LAA1 website abandons the carrier wave used.
Step 506, LAA2 website has two kinds of selections: select 1, waits the release of G5 and G1 resource,
Re-start said process, but it is excessive to be to wait for time delay；Select 2, according to broadcasting virtual occupied information,
Redefine available carrier wave set G, the carrier occupancy information that optional reception WIFI website is launched,
And divide carrier wave set G according to described information, it is then back to step 503, specific as follows:
LAA2 website estimates to seize the frequency spectrum resource of 20MHz, preferentially accounts for enterprising the robbing of G4, success
The virtual frequency spectrum resource taking this 20MHz after seizing, and broadcasting virtual occupied information, other LAA stand
Point then will not continue to account for enterprising the robbing of G4, the same format that optional transmitting and WIFI website are launched
Carrier occupancy information, WIFI website then will not continue to account for enterprising the robbing of G4.
LAA2 website carries out ED, CCA/eCCA on G4 and detects whether to there may exist WIFI station
Point is in situation about using.Without use, then LAA2 website successfully takies；If there being use, then
LAA2 website abandons the carrier wave used.
Other LAA websites are identical with LAA2 website processing procedure.Fig. 7 is the one of the embodiment of the present invention
Plant multichannel and take the schematic diagram of device, as it is shown in fig. 7, the device of the present embodiment includes:
Seize module, seize for carrying out carrier wave on competitive resource；
Reservation module, after being used for successfully seizing, reservation takies one or more carrier wave.
In a preferred embodiment, described in seize module, competitive resource carries out carrier wave and seizes and include:
Determine available total resources, from described available total resources, mark off the first appointment resource, described
Carry out carrier wave in one appointment resource to seize；
Described reservation module, seizes after module successfully seizes described, and reservation takies in described total resources and removes
Described first specifies the one or more carrier waves in the resource outside resource.
In a preferred embodiment, described device can also include,
Receiver module, for receiving the carrier occupancy information that WIFI website is launched；
Described reservation module, for according to described carrier occupancy information, preengages in described total resources except described
First specifies the one or more carrier resources in the resource outside resource.
In a preferred embodiment, described in seize module, specify described first and carry out carrier wave in resource and rob
Also include during accounting for: as described first specifies resource the most occupied, then redefine available total money
Source, repartitions out the second appointment resource, again described from the described available total resources redefined
Carry out carrier wave in second appointment resource to seize.
In a preferred embodiment, described in seize module, competitive resource carries out carrier wave and seizes and include:
Determine available total resources, described available total resources are divided into multiple carrier wave set, in each carrier wave set
Including one or more carrier waves, seize one or more carrier wave set；
Described reservation module, specifically for seizing after module successfully seizes described, reservation takies is seized
All carrier waves in carrier wave set.
In a preferred embodiment, described in seize module, may include that during seizing carrier wave set as
Carrier wave set to be seized is the most occupied, then redefine available carrier wave set, in described available carrier wave set
In seize.
In a preferred embodiment, described device can also include:
Receiver module, for receiving the carrier occupancy information that WIFI website is launched；
Described seize module, be according to described carrier occupancy information, described available total resources to be divided into many
Individual carrier wave set.
In a preferred embodiment, described device can also include:
Transmitter module, for launching the carrier occupancy letter of the same format launched with described WIFI website
Breath, described carrier occupancy information at least includes frequency resource information and one taken in duration information.
In a preferred embodiment, described reservation module, during reservation takies one or more carrier wave
Including: whether the carrier wave that detection reservation takies has been used, and without being used, the most successfully takies institute
Stating the carrier wave that reservation takies, if had been used, then abandoning the carrier wave that described reservation takies.
In a preferred embodiment, described device can also include:
Broadcast module, is used for broadcasting reservation occupied information, and described reservation occupied information at least includes that frequency provides
Source information and taken in duration information.
The embodiment of the present invention additionally provides a kind of base station, takies device including above-mentioned multichannel.
The embodiment of the present invention additionally provides a kind of terminal, takies device including above-mentioned multichannel.
One of ordinary skill in the art will appreciate that all or part of step in said method can pass through program
Instructing related hardware to complete, described program can be stored in computer-readable recording medium, as read-only
Memorizer, disk or CD etc..Alternatively, all or part of step of above-described embodiment can also use
One or more integrated circuits realize.Correspondingly, each module/unit in above-described embodiment can use
The form of hardware realizes, it would however also be possible to employ the form of software function module realizes.The present invention is not restricted to appoint
The combination of the hardware and software of what particular form.
These are only the preferred embodiments of the present invention, certainly, the present invention also can have other various embodiments,
In the case of without departing substantially from present invention spirit and essence thereof, those of ordinary skill in the art work as can be according to this
Various corresponding change and deformation are made in invention, but these change accordingly and deformation all should belong to the present invention
Appended scope of the claims.
Claims (22)
1. multichannel takies a method, including:
Competitive resource carries out carrier wave seize；
After successfully seizing, reservation takies one or more carrier wave.
2. the method for claim 1, it is characterised in that:
The described carrier wave that carries out on competitive resource is seized and is comprised determining that available total resources, from described available
Total resources in mark off the first appointment resource, specify described first and carry out carrier wave in resource and seize；
After successfully seizing, in the resource that reservation takies in described total resources in addition to described first specifies resource
One or more carrier waves.
3. method as claimed in claim 2, it is characterised in that: described virtual take during include:
Receive the carrier occupancy information that WIFI website is launched；
According to described carrier occupancy information, reservation takies in described total resources in addition to described first specifies resource
Resource in one or more carrier resources.
4. method as claimed in claim 2 or claim 3, it is characterised in that: described appointment described first provides
Carry out on source during carrier wave seizes, also including:
As described first specify resource the most occupied, then redefine available total resources, from described again
The available total resources determined repartition out the second appointment resource again, specifies in resource described second
Carry out carrier wave to seize.
5. the method for claim 1, it is characterised in that:
The described carrier wave that carries out on competitive resource is seized and is comprised determining that available total resources, by described available
Total resources be divided into multiple carrier wave set, each carrier wave set includes one or more carrier wave, seizes one
Or multiple carrier wave set；
After successfully seizing, reservation takies all carrier waves in seized carrier wave set.
6. method as claimed in claim 5, it is characterised in that: described account for enterprising the robbing of competitive resource
Also include:
Receive the carrier occupancy information that WIFI website is launched；
According to described carrier occupancy information, described available total resources are divided into multiple carrier wave set.
7. the method as described in claim 5 or 6, it is characterised in that seize the process of carrier wave set described in:
In, including:
Carrier wave set as to be seized is the most occupied, then redefine available carrier wave set, described available
Carrier wave set is seized.
8. the method as described in claim 3 or 6, it is characterised in that: described reservation takies one or many
After individual carrier wave, also include:
Launching the carrier occupancy information of the same format launched with described WIFI website, described carrier wave accounts for
Frequency resource information and one taken in duration information is at least included by information.
9. the method as described in claim 1 or 2 or 3 or 5 or 6, it is characterised in that: described reservation
During one or more carrier waves, including:
The carrier wave that detection reservation takies is the most occupied, without occupied, the most successfully takies described
The carrier wave of reservation, if the most occupied, then abandons the carrier wave of described reservation.
10. method as claimed in claim 9, it is characterised in that: also include:
Broadcast reservation occupied information, when described reservation occupied information at least includes frequency resource information and takies
In long message one.
11. 1 kinds of multichannels take device, it is characterised in that including:
Seize module, seize for carrying out carrier wave on competitive resource；
Reservation module, after being used for successfully seizing, reservation takies one or more carrier wave.
12. devices as claimed in claim 11, it is characterised in that:
Described seize module, competitive resource carry out carrier wave and seizes and comprise determining that available total resources,
From described available total resources, mark off the first appointment resource, specify described first and carry in resource
Ripple is seized；
Described reservation module, seizes after module successfully seizes described, and reservation takies in described total resources and removes
Described first specifies the one or more carrier waves in the resource outside resource.
13. devices as claimed in claim 12, it is characterised in that: also include,
Receiver module, for receiving the carrier occupancy information that WIFI website is launched；
Described reservation module, for according to described carrier occupancy information, preengages in described total resources except described
First specifies the one or more carrier resources in the resource outside resource.
14. devices as described in claim 12 or 13, it is characterised in that:
Described seize module, specify described first and carry out also including during carrier wave is seized in resource:
As described first specifies resource the most occupied, then redefine available total resources, redefine from described
Available total resources in repartition out the second appointment resource again, specify described second and carry out in resource
Carrier wave is seized.
15. devices as claimed in claim 11, it is characterised in that:
Described seize module, competitive resource carry out carrier wave and seizes and comprise determining that available total resources,
Described available total resources are divided into multiple carrier wave set, and each carrier wave set includes one or more carrier wave,
Seize one or more carrier wave set；
Described reservation module, specifically for seizing after module successfully seizes described, reservation takies is seized
All carrier waves in carrier wave set.
16. devices as claimed in claim 15, it is characterised in that: also include:
Receiver module, for receiving the carrier occupancy information that WIFI website is launched；
Described seize module, be according to described carrier occupancy information, described available total resources to be divided into many
Individual carrier wave set.
17. devices as described in claim 15 or 16, it is characterised in that:
Described seize module, include during seizing carrier wave set: the carrier wave set as to be seized is the most occupied,
Then redefine available carrier wave set, seize in described available carrier wave set.
18. devices as described in claim 13 or 16, it is characterised in that: also include:
Transmitter module, for launching the carrier occupancy letter of the same format launched with described WIFI website
Breath, described carrier occupancy information at least includes frequency resource information and one taken in duration information.
19. devices as described in claim 11 or 12 or 13 or 15 or 16, it is characterised in that:
Described reservation module, reservation includes during taking one or more carrier wave: detection reservation takies
Carrier wave the most occupied, without occupied, the most successfully take the carrier wave that described reservation takies,
If the most occupied, then abandon the carrier wave that described reservation takies.
20. devices as claimed in claim 19, it is characterised in that: also include:
Broadcast module, is used for broadcasting reservation occupied information, and described reservation occupied information at least includes that frequency provides
Source information and taken in duration information.
21. 1 kinds of base stations, it is characterised in that include the device as described in any one of claim 11-20.
22. 1 kinds of terminals, it is characterised in that include the device as described in any one of claim 11-20.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510243902.2A CN106304385A (en) | 2015-05-13 | 2015-05-13 | A kind of multichannel takies method and device |
| PCT/CN2016/078348 WO2016180098A1 (en) | 2015-05-13 | 2016-04-01 | Multi-channel occupancy method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510243902.2A CN106304385A (en) | 2015-05-13 | 2015-05-13 | A kind of multichannel takies method and device |
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| Publication Number | Publication Date |
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| CN106304385A true CN106304385A (en) | 2017-01-04 |
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| CN201510243902.2A Pending CN106304385A (en) | 2015-05-13 | 2015-05-13 | A kind of multichannel takies method and device |
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| CN (1) | CN106304385A (en) |
| WO (1) | WO2016180098A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108391467A (en) * | 2017-06-23 | 2018-08-10 | 北京小米移动软件有限公司 | data transmission method and device, user equipment and base station |
| CN109151844A (en) * | 2017-06-15 | 2019-01-04 | 中兴通讯股份有限公司 | Method, terminal and the system communicated between a kind of terminal |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109644502B (en) * | 2016-12-13 | 2020-09-25 | 华为技术有限公司 | Point-to-multipoint channel allocation method, device and system |
| WO2019157762A1 (en) * | 2018-02-15 | 2019-08-22 | Qualcomm Incorporated | Techniques and apparatuses for channel state determination or reference signaling with traffic preemption |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102469470B (en) * | 2010-11-04 | 2015-10-21 | 中兴通讯股份有限公司 | Transmission method in WLAN (wireless local area network) and device |
| CN102325351B (en) * | 2011-07-14 | 2014-02-12 | 大唐移动通信设备有限公司 | Cell access method and device |
| US20150201401A1 (en) * | 2012-06-08 | 2015-07-16 | Nokia Solutions And Networks Oy | Radio resource reservation in framed communication system |
-
2015
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109151844A (en) * | 2017-06-15 | 2019-01-04 | 中兴通讯股份有限公司 | Method, terminal and the system communicated between a kind of terminal |
| CN108391467A (en) * | 2017-06-23 | 2018-08-10 | 北京小米移动软件有限公司 | data transmission method and device, user equipment and base station |
| US11019642B2 (en) | 2017-06-23 | 2021-05-25 | Beijing Xiaomi Mobile Software Co., Ltd. | Method and apparatus for data transmission, user equipment and base station |
| CN108391467B (en) * | 2017-06-23 | 2022-02-11 | 北京小米移动软件有限公司 | Data transmission method and device, user equipment and base station |
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| Publication number | Publication date |
|---|---|
| WO2016180098A1 (en) | 2016-11-17 |
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