CN105101439B - A kind of method and terminal of transmission - Google Patents
A kind of method and terminal of transmission Download PDFInfo
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- CN105101439B CN105101439B CN201510542579.9A CN201510542579A CN105101439B CN 105101439 B CN105101439 B CN 105101439B CN 201510542579 A CN201510542579 A CN 201510542579A CN 105101439 B CN105101439 B CN 105101439B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000009826 distribution Methods 0.000 claims abstract description 25
- 238000013468 resource allocation Methods 0.000 claims abstract description 21
- 230000007774 longterm Effects 0.000 claims abstract description 11
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 9
- 230000011664 signaling Effects 0.000 claims description 17
- 238000001228 spectrum Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 238000004364 calculation method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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Abstract
The embodiment of the invention discloses a kind of methods of transmission, including：If the terminal in long-term evolving network needs that unauthorized band transmissions upstream data, signals base is used to receive the resource allocation announcement message that the base station returns, include the resource block information that the base station is the terminal distribution in the resource allocation announcement message；The mean power of corresponding frequency bandwidth is calculated according to the resource block information；Judge whether the mean power reaches preset channel busy state threshold；If the mean power is not up to preset channel busy state threshold, business transmission is carried out using the resource that the base station is distributed.The embodiment of the invention also discloses a kind of terminals.Using the present invention, it can be achieved that the compatibility of LTE network and the existing network using unauthorized frequency range.
Description
Technical field
The present invention relates to field of communication technology more particularly to the methods and terminal of a kind of transmission.
Background technology
With the sharp increase of message volume, third generation partner program (3rd Generation
Partnership Project, abbreviation 3GPP) authorize frequency spectrum to seem less and less adequate to provide higher network capacity.In order to
The utilization of frequency spectrum resource is further increased, 3GPP is just discussing unlicensed spectrum how is used with the help of authorizing frequency spectrum, such as
2.4GHz and 5GHz frequency ranges.These unlicensed spectrums are presently mainly (Wireless Fidelity Wireless-Fidelity, abbreviation Wi-
Fi), the systems such as bluetooth, radar and medical treatment are using.Compared to networks such as Wi-Fi, it is operated in the long term evolution of unauthorized frequency range
(Long Term Evolution, abbreviation LTE) network has the ability to provide the coverage effect of higher spectrum efficiency and bigger, together
When data traffic seamless switching between authorized spectrum band and unauthorized frequency range allowed based on the same core net.For users, this
Mean better broadband experience, higher rate, better stability and better mobility.
Due to there is good orthogonality between the subcarrier of communication in existing LTE network, it ensure that LTE network is stronger anti-
Interference level, so the downstream transmission of base station and user do not have to consider whether surrounding has base station or user carrying out data biography
It is defeated.But the access technology used in unlicensed spectrum, such as Wi-Fi technology, anti-interference ability are weaker.If LTE nets
Whether network has other equipment using unauthorized frequency range around not considering when being used in unauthorized frequency range, then will be to Wi-Fi
Equipment belt greatly interferes.Wi-Fi equipment cannot just carry out data transmission when LTE network has business transmission, can only wait until
LTE business is transmitted, and when detecting that channel is in idle condition, can be just transmitted.Which results in LTE networks to make
When with unauthorized frequency range, the network coexisted of unauthorized frequency range can not be used with existing.
Invention content
Technical problem to be solved of the embodiment of the present invention is, provides a kind of method and terminal of transmission.To solve LTE
Network can not be with the existing network coexisted problem using unauthorized frequency range.
In order to solve the above-mentioned technical problem, first aspect of the embodiment of the present invention provides a kind of method of transmission, including：
If the terminal in long-term evolving network needs that unauthorized band transmissions upstream data, signals base is used to receive
The resource allocation announcement message that the base station returns comprising the base station is that the terminal is divided in the resource allocation announcement message
The resource block information matched；
The mean power of corresponding frequency bandwidth is calculated according to the resource block information；
Judge whether the mean power reaches preset channel busy state threshold；
If the mean power is not up to preset channel busy state threshold, the resource distributed using the base station into
Industry business transmission.
Wherein, before the mean power for calculating corresponding frequency bandwidth according to the resource block information, further include：
Physical Downlink Control Channel is monitored, is obtained from the scheduling information that particular terminal search space searches described default
Channel busy state threshold；Or
The radio resource control signaling that the base station is sent is received, is obtained from the radio resource control signaling crowd described pre-
If channel busy state threshold.
Wherein, it if the base station resource block of distributing to the terminal is continuous, is calculated pair according to the resource block information
The mean power of frequency bandwidth is answered, including：
Obtain the power that each resource block of the terminal is distributed in the base station；
It adds up to the power of each resource block divided by the quantity of each resource block obtains each money
Source block corresponds to the mean power of frequency bandwidth.
Wherein, it if the base station resource block of distributing to the terminal is discontinuous, is calculated according to the resource block information
The mean power of corresponding frequency bandwidth, including：
Obtain the power that each resource block of the terminal is distributed in the base station；
It adds up, divided by the resource block quantity in entire frequency bandwidth, obtains whole to the power of each resource block
The mean power of a frequency bandwidth.
Wherein, it if the mean power reaches preset channel busy state threshold, jumps to according to the resource block
Information calculates the step of mean power of corresponding frequency bandwidth.
Second aspect of the embodiment of the present invention provides a kind of terminal, including：
Acquiring unit, if needing to use unauthorized band transmissions upstream data for the terminal in long-term evolving network,
Signals base receives the resource allocation announcement message that the base station returns, and includes the base in the resource allocation announcement message
It stands as the resource block information of the terminal distribution；
Computing unit, the mean power for calculating corresponding frequency bandwidth according to the resource block information；
Judging unit, for judging whether the mean power reaches preset channel busy state threshold；
Transmission unit uses the base if being not up to preset channel busy state threshold for the mean power
The resource distributed of standing carries out business transmission.
Wherein, the acquiring unit is additionally operable to：
Physical Downlink Control Channel is monitored, is obtained from the scheduling information that particular terminal search space searches described default
Channel busy state threshold；Or
The radio resource control signaling that the base station is sent is received, is obtained from the radio resource control signaling crowd described pre-
If channel busy state threshold.
Wherein, if the base station resource block of distributing to the terminal is continuous, the computing unit is according to the resource
Block message calculates the mean power of corresponding frequency bandwidth, is specifically used for：
Obtain the power that each resource block of the terminal is distributed in the base station；
It adds up to the power of each resource block divided by the quantity of each resource block obtains each money
Source block corresponds to the mean power of frequency bandwidth.
Wherein, if the base station resource block of distributing to the terminal is continuous, the computing unit is according to the resource
Block message calculates the mean power of corresponding frequency bandwidth, is specifically used for：
Obtain the power that each resource block of the terminal is distributed in the base station；
It adds up, divided by the resource block quantity in entire frequency bandwidth, obtains whole to the power of each resource block
The mean power of a frequency bandwidth.
Wherein, if the mean power reaches preset channel busy state threshold, the computing unit is additionally operable to again
It is secondary to execute the step of mean power of corresponding frequency bandwidth is calculated according to the resource block information.
Implement the embodiment of the present invention, has the advantages that：
Have the terminal of transmitting uplink data demand after signals base its demand, obtain base station as the resource of its distribution,
And the mean power of band bandwidth is corresponded to according to the Resource Calculation of distribution, only preset channel busy shape is not up in mean power
When state threshold value, the resource just distributed using the base station carries out business transmission, realizes and is distributed in the lte networks according to base station
Resource information carries out the purpose of LBT detections, so as to avoid the interference to other using the system of unauthorized frequency range so that
LTE network can be good compatible with the existing system using unauthorized frequency range, and the terminal being conducive in LTE network uses unauthorized frequency
Section provides the more stable business transmission experience of higher speed to the user.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the flow diagram of the first embodiment for the method that the present invention is transmitted；
Fig. 2 is the flow diagram of the second embodiment for the method that the present invention is transmitted；
Fig. 3 is the flow diagram of the 3rd embodiment for the method that the present invention is transmitted；
Fig. 4 is the composition schematic diagram of the first embodiment of terminal of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention can be used for access technology (LTE assisted access abbreviation LAA) system of uplink LTE auxiliary
System, can make full use of unauthorized frequency range, provide better broadband experience, higher rate, better stability and more to the user
Good mobility, and can be realized with the existing system using unauthorized frequency range good compatible.
Fig. 1 is please referred to, for the flow diagram of the first embodiment of the method for the invention transmitted, in the present embodiment, institute
The method of stating includes the following steps：
S101, if the terminal in long-term evolving network is needed using unauthorized band transmissions upstream data, signals base,
Receive the resource allocation announcement message that the base station returns.
Wherein, the resource block information that the base station is the terminal distribution is included in the resource allocation announcement message.
Optionally, terminal and base station interact the flow that can refer to terminal request uplink in detail in step S101：
1. terminal is to base station requests ascending resource, terminal according to the configuration on upper layer according to certain period and subframe position,
Pass through the uplink control in physical uplink control channel (Physical Uplink Control CHannel, abbreviation PUCCH)
The request of information (Uplink Control Information, abbreviation UCI) transmitting and scheduling (Scheduling Request, letter processed
Claim SR), while in SR, carry Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (the Cell Radio Network of terminal
Temporary Identifier, abbreviation C-RNTI).After base station receives SR information, uplink scheduling authorization (UL is issued
Grant), a small part resource is first configured to use to terminal.
2. terminal uploads buffer status report (Buffer Status Reports, abbreviation BSR) signaling, tell base station certainly
Oneself data volume to be transmitted, base station receive the detection reference signal reported according to the terminal after the BSR signalings that terminal reports
The comprehensive analysis such as (Sounding Reference Signal, abbreviation SRS) and base station existing resource decide whether to terminal distribution
Resource.If condition is unsatisfactory for allocating resources to terminal, terminal re-initiates random access letter after repeatedly uploading SR failures
Road (Random Access Network, abbreviation RACH).
3. base station after determining that terminal meets the needs of resource allocation, allocates resources to terminal, while base station also needs to
Distribution as a result, including Physical Resource Block (Physical Resource Block, abbreviation PRB) and modulation and encoding scheme
(Modulation and Coding Scheme, abbreviation MCS) tells terminal, determines position and the use of terminal upload data
Modulating-coding format.
4. after terminal receives the resource allocation announcement that base station issues, monitoring Physical Downlink Control Channel (Physical
Downlink Control Channel, abbreviation PDCCH) it is distributed with searching possible uplink transmission resource, from public search sky
Between public information is obtained in (common search space), from particular terminal search space (UE specific search
Space search executes listem-before-talk (Listen about the scheduling information of oneself and the terminal that may be present that is used in)
Before Talk, abbreviation LBT) mechanism detects the preset channel busy state threshold of distributed resource.
It should be noted that preset channel busy state threshold herein can be dispatched from the factory by equipment production firm in equipment
When be arranged or provide several setting options for user select, can also not make any by User Defined, the embodiment of the present invention
It limits.
In a kind of feasible embodiment, preset channel busy state threshold can be set to -62dBm.
S102 calculates the mean power of corresponding frequency bandwidth according to the resource block information.
Wherein, quantity information and the position of the resource block that base station is the terminal distribution are contained in the resource block information
Information can determine its corresponding frequency bandwidth by the location information of these resource blocks, in conjunction with its quantity information and
The mean power of corresponding frequency bandwidth can be calculated in the power of each resource.
S103, judges whether the mean power reaches preset channel busy state threshold.If it is not, thening follow the steps
S104.If so, carrying out business transmission without using the resource of base station distribution in preset time.
S104 carries out business transmission using the resource that the base station is distributed.
Specifically, when the mean power reaches preset channel busy state threshold, illustrate that present channel is in busy
State, currently have other equipment use the channel and these resources, if therefore the terminal be continuing with the channel and this
A little resources will be caused to conflict and be interfered to the business of other equipment, so in the present embodiment, the terminal is in preset time
Will be unable to the resource distributed using base station progress business transmission i.e. can not busy channel transmission services data.Certainly, pre-
If in the time or after preset time, the terminal can calculate the mean power of corresponding bandwidth and be compared again, when
When judging that channel is in idle condition, the channel can be used to carry out business transmission.
Have the terminal of transmitting uplink data demand after signals base its demand, obtain base station as the resource of its distribution,
And the mean power of band bandwidth is corresponded to according to the Resource Calculation of distribution, only preset channel busy shape is not up in mean power
When state threshold value, the resource just distributed using the base station carries out business transmission, realizes and is distributed in the lte networks according to base station
Resource information carries out the purpose of LBT detections, so as to avoid the interference to other using the system of unauthorized frequency range so that
LTE network can be good compatible with the existing system using unauthorized frequency range, and the terminal being conducive in LTE network uses unauthorized frequency
Section provides the more stable business transmission experience of higher speed to the user.
Fig. 2 is please referred to, for the flow diagram of the second embodiment of the method for the invention transmitted, in the present embodiment, institute
The method of stating includes the following steps：
S201, if the terminal in long-term evolving network is needed using unauthorized band transmissions upstream data, signals base,
Receive the resource allocation announcement message that the base station returns.
Include the resource block information that the base station is the terminal distribution in the resource allocation announcement message.
S202 monitors Physical Downlink Control Channel, institute is obtained from the scheduling information that particular terminal search space searches
State preset channel busy state threshold.
Alternatively it is also possible to the radio resource control signaling that the base station is sent be received by terminal, from the radio resource
Control signaling crowd obtains the preset channel busy state threshold.
S203 calculates the mean power of corresponding frequency bandwidth according to the resource block information.
S204, judges whether the mean power reaches preset channel busy state threshold.If it is not, thening follow the steps
S205, if so, the S203 that gos to step.
It should be noted that after redirecting, the power of each resource block can be monitored in real time and calculate corresponding frequency bandwidth
Mean power, can also proceed by calculating after preset time, and the embodiment of the present invention is not limited in any way.
It should be noted that when monitoring the power of each resource block in real time, the power of each resource block may change
May be constant, when unchanged always for the constant mean power for causing repeatedly to calculate of power, illustrate that channel is occupied always, terminal
These resource blocks can not be used to carry out business transmission.If the transmission demand of terminal or the business importance of transmission are higher, need to compel
Transmission is cut into, then terminal finds the corresponding frequency band of existing distribution resource after the calculating for carrying out preset times such as 3 times judges
Width mean power is always above preset channel busy state threshold, then terminal can initiate resource point to base station again at this time
Judge that whether idle the resource that these are reassigned is available with request, and using the method described in the embodiment of the present invention, available
The deallocated resources finishing service transmission of the base stations Shi Liyong；Business importance even can also be carried in resource allocation request
Identification information, so that the resource that current idle is directly dispatched in base station is directly used to terminal, quickly complete business transmission.
S205 carries out business transmission using the resource that the base station is distributed.
In embodiments of the present invention, tune of the preset channel busy state threshold configuration in base station in particular terminal search space
It spends in information, terminal can be obtained from the information and is compared with the mean power being calculated using the threshold value, without increasing
Add additional signaling overheads；And when the mean power reaches preset channel busy state threshold, the base station is not used
The resource of distribution carries out business transmission, can avoid interference using the equipment of unauthorized frequency range to other, and continue to calculate average
Power carries out business transmission when mean power is met the requirements using the resource that the base station is distributed, and completing the business of itself needs
It asks.
Fig. 3 is please referred to, for the flow diagram of the 3rd embodiment of the method for the invention transmitted, in the present embodiment, institute
The method of stating includes the following steps：
S301, if the terminal in long-term evolving network is needed using unauthorized band transmissions upstream data, signals base,
Receive the resource allocation announcement message that the base station returns.
Include the resource block information that the base station is the terminal distribution in the resource allocation announcement message.
S302 receives the radio resource control signaling that the base station is sent, is obtained from the radio resource control signaling crowd
The preset channel busy state threshold.
Alternatively it is also possible to by the terminal monitoring Physical Downlink Control Channel, searched from particular terminal search space
Scheduling information in obtain the preset channel busy state threshold.
S303, judge the base station distribute to the terminal resource block it is whether continuous.If so, S304 is thened follow the steps,
It is no to then follow the steps S305.
S304 obtains the power that each resource block of the terminal is distributed in the base station, to each resource block
Power adds up divided by the quantity of each resource block obtains the average work(that each resource block corresponds to frequency bandwidth
Rate.
Such as 1 to 10 totally 10 continuous resource blocks successively altogether, when base station is 3,4,5 to the resource block of terminal distribution
It when resource block, then calculates mean power and only needs to obtain the power of 3,4,5 resource block respectively, and cumulative summation divided by resource block
Quantity 3.The speed and accuracy that mean power calculating can be further increased in this way, will not be because of other unappropriated moneys
The information of source block brings interference to result, further can improve the availability of frequency spectrum.
S305 obtains the power that each resource block of the terminal is distributed in the base station, to each resource block
Power adds up, divided by the resource block quantity in entire frequency bandwidth, obtains the mean power of entire frequency bandwidth.
For example, for example have 1 to 10 totally 10 continuous resource blocks successively altogether, when base station to the resource block of terminal distribution is 3,
5, when 7 resource block, then the power of resource block of 1-10, and cumulative summation divided by resource block can be obtained respectively by calculating mean power
Quantity 10 obtain the mean power of entire frequency bandwidth.
Certainly, in order to reduce the resource block quantity of calculating, the power of the resource block of 3-7 can also be only obtained, add up summation
Afterwards divided by 5 obtain 3-7 resource block correspond to the mean power of frequency bandwidth, compared with preset channel busy state threshold
Compared with.
S306, judges whether the mean power reaches preset channel busy state threshold.If it is not, thening follow the steps
S307, if so, the S303 that gos to step.
S307 carries out business transmission using the resource that the base station is distributed.
In the present embodiment, terminal is calculating the mean power for being compared with preset channel busy state threshold
When, different calculating can be carried out according to the continuity of the resource block of distribution, and in the resource block consecutive hours of distribution, only to even
The power of continuous resource block sum and averaged with the quantity of continuous resource block, can promote the accuracy of result of calculation
And computational efficiency, it is conducive to promote the utilization ratio of frequency spectrum resource.
Fig. 4 is please referred to, is the composition schematic diagram of the first embodiment of terminal of the present invention；In the present embodiment, the terminal
Including：
Acquiring unit 100, if needing to use unauthorized band transmissions upstream data for the terminal in long-term evolving network,
Then signals base receives the resource allocation announcement message that the base station returns, and includes described in the resource allocation announcement message
Base station is the resource block information of the terminal distribution；
Computing unit 200, the mean power for calculating corresponding frequency bandwidth according to the resource block information；
Judging unit 300, for judging whether the mean power reaches preset channel busy state threshold；
Transmission unit 400, if being not up to preset channel busy state threshold for the mean power, using described
The resource of base station distribution carries out business transmission.
Optionally, the acquiring unit 100 is additionally operable to：
Physical Downlink Control Channel is monitored, is obtained from the scheduling information that particular terminal search space searches described default
Channel busy state threshold；Or
The radio resource control signaling that the base station is sent is received, is obtained from the radio resource control signaling crowd described pre-
If channel busy state threshold.
Optionally, if the base station resource block of distributing to the terminal is continuous, the computing unit 200 is according to described
Resource block information calculates the mean power of corresponding frequency bandwidth, is specifically used for：
Obtain the power that each resource block of the terminal is distributed in the base station；
It adds up to the power of each resource block divided by the quantity of each resource block obtains each money
Source block corresponds to the mean power of frequency bandwidth.
Optionally, if the base station resource block of distributing to the terminal is continuous, the computing unit 200 is according to described
Resource block information calculates the mean power of corresponding frequency bandwidth, is specifically used for：
Obtain the power that each resource block of the terminal is distributed in the base station；
It adds up, divided by the resource block quantity in entire frequency bandwidth, obtains whole to the power of each resource block
The mean power of a frequency bandwidth.
Optionally, if the mean power reaches preset channel busy state threshold, the computing unit 200 is also used
In the step of executing the mean power according to the corresponding frequency bandwidth of resource block information calculating again.
The above acquiring unit 100, computing unit 200, judging unit 300 and transmission unit 400 can be individually present, and also may be used
With integrally disposed, acquiring unit 100, computing unit 200, judging unit 300 or transmission unit 400 can in the form of hardware solely
The processor for standing on terminal is separately provided, and the form that form can be microprocessor is arranged；It can also embed in the form of hardware
It in the processor of the terminal, can also be stored in the memory of the terminal in a software form, in order to the processing of the terminal
Device, which calls, executes the above acquiring unit 100, the 400 corresponding operation of computing unit 200, judging unit 300 and transmission unit.
Certainly, acquiring unit 100 and transmission unit 400 can also be used as the interface circuit of the terminal, can be single with calculating
Member 200 or judging unit 300 are integrated, can also be independently arranged.
For example, in the first embodiment (embodiment shown in Fig. 4) of terminal of the present invention, judging unit 200 can be should
The processor of terminal, and the function of acquiring unit 100, computing unit 200 and transmission unit 400 can be embedded in the processor
In, it can also be separately provided, can also be stored in memory in the form of software independently of processor, be called by processor real
Its existing function.The embodiment of the present invention does not do any restrictions.The above processor can be central processing unit (CPU), microprocessor,
Microcontroller etc..
It should be noted that each embodiment in this specification is described in a progressive manner, each embodiment weight
What point illustrated is all the difference with other embodiments, and the same or similar parts between the embodiments can be referred to each other.
For device embodiments, since it is basically similar to the method embodiment, thus description it is fairly simple, related place referring to
The part of embodiment of the method illustrates.
By the description of above-described embodiment, the present invention has the following advantages：
Have the terminal of transmitting uplink data demand after signals base its demand, obtain base station as the resource of its distribution,
And the mean power of band bandwidth is corresponded to according to the Resource Calculation of distribution, only preset channel busy shape is not up in mean power
When state threshold value, the resource just distributed using the base station carries out business transmission, realizes and is distributed in the lte networks according to base station
Resource information carries out the purpose of LBT detections, so as to avoid the interference to other using the system of unauthorized frequency range so that
LTE network can be good compatible with the existing system using unauthorized frequency range, and the terminal being conducive in LTE network uses unauthorized frequency
Section provides the more stable business transmission experience of higher speed to the user.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer read/write memory medium
In, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, abbreviation ROM) or random access memory (Random
Access Memory, abbreviation RAM) etc..
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (8)
1. a kind of method of transmission, which is characterized in that including：
If the terminal in long-term evolving network needs to use unauthorized band transmissions upstream data, signals base, described in reception
The resource allocation announcement message that base station returns comprising the base station is the terminal distribution in the resource allocation announcement message
Resource block information；
The mean power of corresponding frequency bandwidth is calculated according to the resource block information；
Judge whether the mean power reaches preset channel busy state threshold；
If the mean power is not up to preset channel busy state threshold, the resource distributed using the base station is into industry
Business transmission；
Before the mean power for calculating corresponding frequency bandwidth according to the resource block information, further include：
Physical Downlink Control Channel is monitored, the preset letter is obtained from the scheduling information that particular terminal search space searches
Road busy-idle condition threshold value；Or
The radio resource control signaling that the base station is sent is received, is obtained from the radio resource control signaling crowd described preset
Channel busy state threshold.
2. the method as described in claim 1, which is characterized in that if the resource block that the terminal is distributed in the base station is continuous,
The mean power of corresponding frequency bandwidth is then calculated according to the resource block information, including：
Obtain the power that each resource block of the terminal is distributed in the base station；
It adds up to the power of each resource block divided by the quantity of each resource block obtains each resource block
The mean power of corresponding frequency bandwidth.
3. the method as described in claim 1, which is characterized in that if the non-company of resource block of the terminal is distributed in the base station
It is continuous, then the mean power of corresponding frequency bandwidth is calculated according to the resource block information, including：
Obtain the power that each resource block of the terminal is distributed in the base station；
It adds up to the power of each resource block, divided by the resource block quantity in entire frequency bandwidth, obtains entire frequency
The mean power of bandwidth.
4. method as described in any one of claims 1-3, which is characterized in that if the mean power reaches preset channel busy
Not busy state threshold then jumps to the step of calculating the mean power of corresponding frequency bandwidth according to the resource block information.
5. a kind of terminal, which is characterized in that including：
Acquiring unit is informed if needing to use unauthorized band transmissions upstream data for the terminal in long-term evolving network
Base station, receives the resource allocation announcement message that the base station returns, and is comprising the base station in the resource allocation announcement message
The resource block information of the terminal distribution；
Computing unit, the mean power for calculating corresponding frequency bandwidth according to the resource block information；
Judging unit, for judging whether the mean power reaches preset channel busy state threshold；
Transmission unit uses the base station point if being not up to preset channel busy state threshold for the mean power
The resource matched carries out business transmission；
The acquiring unit is additionally operable to：
Physical Downlink Control Channel is monitored, the preset letter is obtained from the scheduling information that particular terminal search space searches
Road busy-idle condition threshold value；Or
The radio resource control signaling that the base station is sent is received, is obtained from the radio resource control signaling crowd described preset
Channel busy state threshold.
6. terminal as claimed in claim 5, which is characterized in that if the resource block that the terminal is distributed in the base station is continuous,
Then the computing unit calculates the mean power of corresponding frequency bandwidth according to the resource block information, is specifically used for：
Obtain the power that each resource block of the terminal is distributed in the base station；
It adds up to the power of each resource block divided by the quantity of each resource block obtains each resource block
The mean power of corresponding frequency bandwidth.
7. terminal as claimed in claim 5, which is characterized in that if the resource block that the terminal is distributed in the base station is continuous,
Then the computing unit calculates the mean power of corresponding frequency bandwidth according to the resource block information, is specifically used for：
Obtain the power that each resource block of the terminal is distributed in the base station；
It adds up to the power of each resource block, divided by the resource block quantity in entire frequency bandwidth, obtains entire frequency
The mean power of bandwidth.
8. such as claim 5-7 any one of them terminals, which is characterized in that if the mean power reaches preset channel busy
Not busy state threshold, then the computing unit is additionally operable to execute again calculates the flat of corresponding frequency bandwidth according to the resource block information
The step of equal power.
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| CN201510542579.9A CN105101439B (en) | 2015-08-28 | 2015-08-28 | A kind of method and terminal of transmission |
| PCT/CN2015/093514 WO2017035937A1 (en) | 2015-08-28 | 2015-10-31 | Transmission method and terminal |
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| CN107241808A (en) * | 2016-03-28 | 2017-10-10 | 北京信威通信技术股份有限公司 | The sending method and system of a kind of upstream data |
| CN107306169A (en) * | 2016-04-18 | 2017-10-31 | 中兴通讯股份有限公司 | A kind of uplink control information transmission method, apparatus and system |
| WO2017206056A1 (en) * | 2016-05-31 | 2017-12-07 | 华为技术有限公司 | Unlicensed band-based communication method, and related device and system |
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| CN108289335B (en) * | 2017-01-10 | 2023-07-14 | 中兴通讯股份有限公司 | Data transmission method and device and terminal |
| CN109039556B (en) * | 2017-06-09 | 2023-11-07 | 华为技术有限公司 | Signal transmission method, related equipment and system |
| EP3751931B1 (en) * | 2018-02-13 | 2023-10-04 | Beijing Xiaomi Mobile Software Co., Ltd. | Method for transmitting information and base station |
| CN110891314B (en) * | 2018-09-11 | 2022-08-19 | 华为技术有限公司 | Communication method, resource allocation method and device |
| CN111182633B (en) * | 2018-11-13 | 2022-06-10 | 华为技术有限公司 | Communication method and device |
| CN111556532B (en) * | 2020-04-22 | 2023-04-07 | 陕西天基通信科技有限责任公司 | 5G intelligent room division method based on uplink RB analysis |
| CN113596758B (en) * | 2021-06-16 | 2023-11-14 | 广东电网有限责任公司广州供电局 | Channel resource allocation method, device, computer equipment and storage medium |
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