CN105101439A - Transmission method and terminal - Google Patents
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- CN105101439A CN105101439A CN201510542579.9A CN201510542579A CN105101439A CN 105101439 A CN105101439 A CN 105101439A CN 201510542579 A CN201510542579 A CN 201510542579A CN 105101439 A CN105101439 A CN 105101439A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000009826 distribution Methods 0.000 claims abstract description 14
- 230000007774 longterm Effects 0.000 claims abstract description 10
- 238000013468 resource allocation Methods 0.000 claims description 19
- 230000011664 signaling Effects 0.000 claims description 17
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 238000001228 spectrum Methods 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000001186 cumulative effect Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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]
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- 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 invention discloses a transmission method in an embodiment. The transmission method comprises: if a terminal in a long-term evolved network needs to transmit uplink data using an unauthorized frequency band, notifying a base station and receiving a resource distribution notification message returned by the base station, wherein the resource distribution notification message contains resource block information distributed to the terminal by the base station; calculating the average power corresponding to the width of the frequency band according to the resource block information; judging whether the average power reaches a preset channel busy/idle state threshold; and performing service transmission using the resource distributed by the base station if the average power does not reach the preset channel busy/idle state threshold. The embodiment of the invention further discloses a terminal. As long as the transmission method is adopted, the LTE network can be compatible with the existing networks using the unauthorized frequency bands.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method and terminal of transmission.
Background technology
Along with the sharply increase of message volume, third generation partner program (3rdGenerationPartnershipProject is called for short 3GPP) is authorized frequency spectrum to seem and is more and more not enough to provide higher network capacity.In order to improve the utilization of frequency spectrum resource further, 3GPP is just discussing how under the help of authorizing frequency spectrum, to use unlicensed spectrum, as 2.4GHz and 5GHz frequency range.The systems such as these unlicensed spectrums current mainly (Wireless Fidelity Wireless-Fidelity is called for short Wi-Fi), bluetooth, radar and medical treatment are in use.Compare the networks such as Wi-Fi, be operated in the Long Term Evolution (LongTermEvolution of unauthorized frequency range, being called for short LTE) network has the ability to provide higher spectrum efficiency and larger coverage effect, allows data traffic authorize seamless switching between frequency range and unauthorized frequency range based on same core net simultaneously.Concerning user, this means better broadband experience, higher speed, better stability and better mobility.
The downstream transmission of base station and user owing to having good orthogonality between the subcarrier of communication in existing LTE network, ensure that the anti-interference level that LTE network is stronger, so need not consider whether have base station or user carrying out transfer of data around.But the access technology used in unlicensed spectrum, as Wi-Fi technology etc., its antijamming capability is more weak.If whether have other equipment around not considering when LTE network uses in unauthorized frequency range in the unauthorized frequency range of use, so great interference will be brought to Wi-Fi equipment.Wi-Fi equipment just cannot carry out transfer of data when LTE network has business to transmit, and can only wait until that LTE business is transmitted, and when detecting that channel is in idle condition, just can transmit.Which results in LTE network when using unauthorized frequency range, cannot network coexisted with the unauthorized frequency range of existing use.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, provides a kind of method and terminal of transmission.With solve LTE network cannot with the network coexisted problem of the unauthorized frequency range of existing use.
In order to solve the problems of the technologies described above, embodiment of the present invention first aspect provides a kind of method of transmission, comprising:
If the terminal in long-term evolving network needs to use unauthorized band transmissions upstream data, then signals base, receive the resource allocation announcement message that described base station returns, in described resource allocation announcement message, comprise the resource block information that described base station is described terminal distribution;
The average power of corresponding frequency bandwidth is calculated according to described resource block information;
Judge the channel busy state threshold whether described average power reaches default;
If described average power does not reach default channel busy state threshold, then the resource of described base station assigns is used to carry out business transmission.
Wherein, before the average power calculating corresponding frequency bandwidth according to described resource block information, also comprise:
Monitor Physical Downlink Control Channel, from the schedule information that particular terminal search volume searches, obtain described default channel busy state threshold; Or
Receive the radio resource control signaling that described base station sends, obtain described default channel busy state threshold from described radio resource control signaling crowd.
Wherein, if described base station assigns gives the Resource Block of described terminal continuous, then calculate the average power of corresponding frequency bandwidth according to described resource block information, comprising:
Obtain described base station assigns to the power of each Resource Block of described terminal;
Add up to the power of each Resource Block described, the quantity divided by each Resource Block described obtains the average power of the corresponding frequency bandwidth of each Resource Block described.
Wherein, if described base station assigns gives the Resource Block of described terminal discontinuous, then calculate the average power of corresponding frequency bandwidth according to described resource block information, comprising:
Obtain described base station assigns to the power of each Resource Block of described terminal;
The power of each Resource Block described is added up, divided by the Resource Block quantity in whole frequency bandwidth, obtains the average power of whole frequency bandwidth.
Wherein, if described average power reaches default channel busy state threshold, then the step of the average power calculating corresponding frequency bandwidth according to described resource block information is jumped to.
Embodiment of the present invention second aspect provides a kind of terminal, comprising:
Acquiring unit, if need 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 described base station returns, and comprises the resource block information that described base station is described terminal distribution in described resource allocation announcement message;
Computing unit, for calculating the average power of corresponding frequency bandwidth according to described resource block information;
Judging unit, for judging the channel busy state threshold whether described average power reaches default;
Transmission unit, if do not reach default channel busy state threshold for described average power, then uses the resource of described base station assigns to carry out business transmission.
Wherein, described acquiring unit also for:
Monitor Physical Downlink Control Channel, from the schedule information that particular terminal search volume searches, obtain described default channel busy state threshold; Or
Receive the radio resource control signaling that described base station sends, obtain described default channel busy state threshold from described radio resource control signaling crowd.
Wherein, if described base station assigns gives the Resource Block of described terminal continuous, then described computing unit calculates the average power of corresponding frequency bandwidth according to described resource block information, specifically for:
Obtain described base station assigns to the power of each Resource Block of described terminal;
Add up to the power of each Resource Block described, the quantity divided by each Resource Block described obtains the average power of the corresponding frequency bandwidth of each Resource Block described.
Wherein, if described base station assigns gives the Resource Block of described terminal continuous, then described computing unit calculates the average power of corresponding frequency bandwidth according to described resource block information, specifically for:
Obtain described base station assigns to the power of each Resource Block of described terminal;
The power of each Resource Block described is added up, divided by the Resource Block quantity in whole frequency bandwidth, obtains the average power of whole frequency bandwidth.
Wherein, if described average power reaches default channel busy state threshold, then described computing unit is also for again performing the step of the average power calculating corresponding frequency bandwidth according to described resource block information.
Implement the embodiment of the present invention, there is following beneficial effect:
Possesses the terminal of transmitting uplink data demand after its demand of signals base, obtaining base station is the resource that it distributes, and according to the average power of the corresponding band bandwidth of the Resource Calculation distributed, only when average power does not reach default channel busy state threshold, the resource of described base station assigns is just used to carry out business transmission, achieve the object of carrying out LBT detection in the lte networks according to the resource information of base station assigns, thus avoid the interference of the system other being used to unauthorized frequency range, make LTE network can with the good compatibility of the system of existing use unauthorized frequency range, the terminal be beneficial in LTE network uses unauthorized frequency range, for user provides business transmission more stable more at a high speed to experience.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the first embodiment of the method that the present invention is transmitted;
Fig. 2 is the schematic flow sheet of the second embodiment of the method that the present invention is transmitted;
Fig. 3 is the schematic flow sheet of the 3rd embodiment of 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.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention can be used for auxiliary access technology (LTEassistedaccess the is called for short LAA) system of up LTE, unauthorized frequency range can be made full use of, for user provides better broadband experience, higher speed, better stability and better mobility, and good compatibility can be realized with the system of the unauthorized frequency range of existing use.
Please refer to Fig. 1, be the schematic flow sheet of the first embodiment of the method for the present invention's transmission, in the present embodiment, said method comprising the steps of:
S101, if the terminal in long-term evolving network needs to use unauthorized band transmissions upstream data, then signals base, receives the resource allocation announcement message that described base station returns.
Wherein, the resource block information that described base station is described terminal distribution is comprised in described resource allocation announcement message.
Alternatively, the flow process that can refer to terminal request uplink in detail alternately of terminal and base station in step S101:
1. terminal is to base station requests ascending resource, terminal according to the configuration on upper strata according to certain cycle and subframe position, by physical uplink control channel (PhysicalUplinkControlCHannel, be called for short PUCCH) in ascending control information (UplinkControlInformation, be called for short UCI) transmitting and scheduling request (SchedulingRequest, be called for short SR), simultaneously in SR, carry the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (CellRadioNetworkTemporaryIdentifier is called for short C-RNTI) of terminal.After base station receives SR information, issue uplink scheduling authorization (ULgrant), first configure a small part resource and use to terminal.
2. terminal uploads buffer status report (BufferStatusReports, be called for short BSR) signaling, tell the data volume that base station oneself will be transmitted, whether base station determines to terminal distribution resource according to comprehensive analysis the such as the detection reference signal of this terminal to report (SoundingReferenceSignal is called for short SRS) and base station existing resource after receiving the BSR signaling of terminal to report.If condition does not meet Resources allocation to terminal, terminal again initiates Random Access Channel (RandomAccessNetwork is called for short RACH) after repeatedly uploading SR failure.
3. base station is after determining that terminal meets the demand of Resourse Distribute, Resources allocation is to terminal, base station also needs the result distributing simultaneously, comprise Physical Resource Block (PhysicalResourceBlock, be called for short PRB) and modulate and encoding scheme (ModulationandCodingScheme, be called for short MCS) tell terminal, determine the position of terminal upload data and the modulating-coding form of employing.
4. after terminal receives the resource allocation announcement that base station issues, monitor Physical Downlink Control Channel (PhysicalDownlinkControlChannel, be called for short PDCCH) distribute to search possible uplink transmission resource, public information is obtained from public search volume (commonsearchspace), from particular terminal search volume (UEspecificsearchspace) search about oneself schedule information and may exist perform listem-before-talk (ListenBeforeTalk for terminal, be called for short LBT) the machine-processed channel busy state threshold preset detecting institute's Resources allocation.
It should be noted that, the channel busy state threshold preset herein can be arranged when equipment dispatches from the factory by device fabrication manufacturer or provide some setting options to select for user, also can by User Defined, and the embodiment of the present invention is not limited in any way.
In a kind of feasible execution mode, default channel busy state threshold can be set to-62dBm.
S102, calculates the average power of corresponding frequency bandwidth according to described resource block information.
Wherein, quantity information and positional information that base station is the Resource Block of described terminal distribution is contained in described resource block information, just can be determined the frequency bandwidth of its correspondence by the positional information of these Resource Block, more just can calculate the average power of corresponding frequency bandwidth in conjunction with the power of its quantity information and each resource.
S103, judges the channel busy state threshold whether described average power reaches default.If not, then step S104 is performed.If so, in Preset Time, then do not use the resource of described base station assigns to carry out business transmission.
S104, uses the resource of described base station assigns to carry out business transmission.
Particularly, when described average power reaches default channel busy state threshold, illustrate that present channel is in busy state, current have other equipment in this channel of use and these resources, if therefore described terminal continues to use this channel and these resources the business of other equipment will to be caused to conflict and interference, so in the present embodiment, described terminal cannot use the resource of described base station assigns to carry out business transmission in Preset Time namely cannot busy channel service data transmission.Certainly, in Preset Time or after Preset Time, described terminal can again calculate the average power of corresponding bandwidth and compare, and when judging that channel is in idle condition, this channel just can be used to carry out business transmission.
Possesses the terminal of transmitting uplink data demand after its demand of signals base, obtaining base station is the resource that it distributes, and according to the average power of the corresponding band bandwidth of the Resource Calculation distributed, only when average power does not reach default channel busy state threshold, the resource of described base station assigns is just used to carry out business transmission, achieve the object of carrying out LBT detection in the lte networks according to the resource information of base station assigns, thus avoid the interference of the system other being used to unauthorized frequency range, make LTE network can with the good compatibility of the system of existing use unauthorized frequency range, the terminal be beneficial in LTE network uses unauthorized frequency range, for user provides business transmission more stable more at a high speed to experience.
Please refer to Fig. 2, be the schematic flow sheet of the second embodiment of the method for the present invention's transmission, in the present embodiment, said method comprising the steps of:
S201, if the terminal in long-term evolving network needs to use unauthorized band transmissions upstream data, then signals base, receives the resource allocation announcement message that described base station returns.
The resource block information that described base station is described terminal distribution is comprised in described resource allocation announcement message.
S202, monitors Physical Downlink Control Channel, obtains described default channel busy state threshold from the schedule information that particular terminal search volume searches.
Alternatively, also can be received the radio resource control signaling of described base station transmission by terminal, obtain described default channel busy state threshold from described radio resource control signaling crowd.
S203, calculates the average power of corresponding frequency bandwidth according to described resource block information.
S204, judges the channel busy state threshold whether described average power reaches default.If not, then perform step S205, if so, then jump to step S203.
It should be noted that, after redirect, can monitor the power of each Resource Block in real time and calculate the average power of corresponding frequency bandwidth, also can start to calculate after Preset Time, the embodiment of the present invention be limited in any way.
It should be noted that, when the power of real-time each Resource Block of monitoring, the power of each Resource Block may change also may be constant, when causing the average power repeatedly calculated not become for power is constant always, illustrate that channel is always occupied, terminal cannot use these Resource Block to carry out business transmission.If the business importance of the transmission demand of terminal or transmission is higher, need urgently to complete transmission, then terminal is after carrying out the calculating of preset times as 3 times and judging, find frequency bandwidth average power corresponding to existing Resources allocation always higher than the channel busy state threshold preset, so terminal now can initiate resource allocation request to base station again, and whether idle the resource of these code reassignment is available to use the method described in the embodiment of the present invention to judge, when available, utilize base station deallocated resources finishing service transmission; The identification information of business importance even can also be carried in resource allocation request, so that the resource that current idle is directly dispatched in base station directly uses to terminal, rapid finishing service transmission.
S205, uses the resource of described base station assigns to carry out business transmission.
In embodiments of the present invention, the channel busy state threshold that base station is preset is configured in the schedule information of particular terminal search volume, terminal can obtain and use this threshold value to compare, without the need to increasing extra signaling consumption with the average power calculated from this information; And when described average power reaches default channel busy state threshold, the resource of described base station assigns is not used to carry out business transmission, the interference of the equipment other being used to unauthorized frequency range can be avoided, and continue to calculate average power, use when average power meets the demands the resource of described base station assigns to carry out business transmission, complete the business demand of self.
Please refer to Fig. 3, be the schematic flow sheet of the 3rd embodiment of the method for the present invention's transmission, in the present embodiment, said method comprising the steps of:
S301, if the terminal in long-term evolving network needs to use unauthorized band transmissions upstream data, then signals base, receives the resource allocation announcement message that described base station returns.
The resource block information that described base station is described terminal distribution is comprised in described resource allocation announcement message.
S302, receives the radio resource control signaling that described base station sends, and obtains described default channel busy state threshold from described radio resource control signaling crowd.
Alternatively, also by described terminal monitoring Physical Downlink Control Channel, described default channel busy state threshold can be obtained from the schedule information that particular terminal search volume searches.
S303, judges that whether described base station assigns is continuous to the Resource Block of described terminal.If so, then perform step S304, otherwise perform step S305.
S304, obtains described base station assigns to the power of each Resource Block of described terminal, adds up to the power of each Resource Block described, and the quantity divided by each Resource Block described obtains the average power of the corresponding frequency bandwidth of each Resource Block described.
Such as altogether 1 to 10 totally 10 continuous print Resource Block successively, when base station is the Resource Block of 3,4,5 to the Resource Block of terminal distribution, then calculate the power that average power only needs the Resource Block obtaining 3,4,5 respectively, and cumulative summation is divided by the quantity 3 of Resource Block.Speed and the accuracy of average power calculating can be improved so further, interference can not be brought because of the information of other unappropriated Resource Block to result, the availability of frequency spectrum can be improved further.
S305, obtains described base station assigns to the power of each Resource Block of described terminal, adds up, divided by the Resource Block quantity in whole frequency bandwidth, obtain the average power of whole frequency bandwidth to the power of each Resource Block described.
Such as, such as altogether 1 to 10 totally 10 continuous print Resource Block successively, when base station is the Resource Block of 3,5,7 to the Resource Block of terminal distribution, then calculate average power and can obtain the power of the Resource Block of 1-10 respectively, and cumulative summation obtains the average power of whole frequency bandwidth divided by the quantity 10 of Resource Block.
Certainly, in order to reduce the Resource Block quantity of calculating, also only can obtain the power of the Resource Block of 3-7, obtaining the average power of the corresponding frequency bandwidth of Resource Block of 3-7 after cumulative summation divided by 5, comparing with the channel busy state threshold preset.
S306, judges the channel busy state threshold whether described average power reaches default.If not, then perform step S307, if so, then jump to step S303.
S307, uses the resource of described base station assigns to carry out business transmission.
In the present embodiment, terminal is when calculating the average power being used for comparing with the channel busy state threshold preset, different calculating can be carried out according to the continuity of the Resource Block distributed, and the Resource Block consecutive hours distributed, only the power of continuous print Resource Block sued for peace and average with the quantity of continuous print Resource Block, accuracy and the computational efficiency of result of calculation can be promoted, be beneficial to the utilization ratio promoting frequency spectrum resource.
Please refer to Fig. 4, is the composition schematic diagram of the first embodiment of terminal of the present invention; In the present embodiment, described terminal comprises:
Acquiring unit 100, if need 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 described base station returns, and comprises the resource block information that described base station is described terminal distribution in described resource allocation announcement message;
Computing unit 200, for calculating the average power of corresponding frequency bandwidth according to described resource block information;
Judging unit 300, for judging the channel busy state threshold whether described average power reaches default;
Transmission unit 400, if do not reach default channel busy state threshold for described average power, then uses the resource of described base station assigns to carry out business transmission.
Alternatively, described acquiring unit 100 also for:
Monitor Physical Downlink Control Channel, from the schedule information that particular terminal search volume searches, obtain described default channel busy state threshold; Or
Receive the radio resource control signaling that described base station sends, obtain described default channel busy state threshold from described radio resource control signaling crowd.
Alternatively, if described base station assigns gives the Resource Block of described terminal continuous, then described computing unit 200 calculates the average power of corresponding frequency bandwidth according to described resource block information, specifically for:
Obtain described base station assigns to the power of each Resource Block of described terminal;
Add up to the power of each Resource Block described, the quantity divided by each Resource Block described obtains the average power of the corresponding frequency bandwidth of each Resource Block described.
Alternatively, if described base station assigns gives the Resource Block of described terminal continuous, then described computing unit 200 calculates the average power of corresponding frequency bandwidth according to described resource block information, specifically for:
Obtain described base station assigns to the power of each Resource Block of described terminal;
The power of each Resource Block described is added up, divided by the Resource Block quantity in whole frequency bandwidth, obtains the average power of whole frequency bandwidth.
Alternatively, if described average power reaches default channel busy state threshold, then described computing unit 200 is also for again performing the step of the average power calculating corresponding frequency bandwidth according to described resource block information.
Above acquiring unit 100, computing unit 200, judging unit 300 and transmission unit 400 can independently exist, also can integratedly arrange, acquiring unit 100, computing unit 200, judging unit 300 or transmission unit 400 can be arranged separately independent of the processor of terminal in the form of hardware, and arrange the form that form can be microprocessor; Also can be embedded in the processor of this terminal in the form of hardware, can also be stored in the memory of this terminal in a software form, so that the processor of this terminal calls the operation performing above acquiring unit 100, computing unit 200, judging unit 300 and transmission unit 400 correspondence.
Certainly, acquiring unit 100 and transmission unit 400 also can as the interface circuits of this terminal, can with computing unit 200 or judging unit 300 integrated, also can independently arrange.
Such as, in first embodiment (embodiment shown in Fig. 4) of terminal of the present invention, judging unit 200 can be the processor of this terminal, and the function of acquiring unit 100, computing unit 200 and transmission unit 400 can be embedded in this processor, also can arrange separately independent of processor, also can be stored in memory in the form of software, be called by processor and realize its function.The embodiment of the present invention does not do any restriction.Above processor can be CPU (CPU), microprocessor, single-chip microcomputer etc.
It should be noted that, each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, between each embodiment identical similar part mutually see.For device embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
By the description of above-described embodiment, the present invention has the following advantages:
Possesses the terminal of transmitting uplink data demand after its demand of signals base, obtaining base station is the resource that it distributes, and according to the average power of the corresponding band bandwidth of the Resource Calculation distributed, only when average power does not reach default channel busy state threshold, the resource of described base station assigns is just used to carry out business transmission, achieve the object of carrying out LBT detection in the lte networks according to the resource information of base station assigns, thus avoid the interference of the system other being used to unauthorized frequency range, make LTE network can with the good compatibility of the system of existing use unauthorized frequency range, the terminal be beneficial in LTE network uses unauthorized frequency range, for user provides business transmission more stable more at a high speed to experience.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory is called for short ROM) or random store-memory body (RandomAccessMemory is called for short RAM) etc.
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (10)
1. a method for transmission, is characterized in that, comprising:
If the terminal in long-term evolving network needs to use unauthorized band transmissions upstream data, then signals base, receive the resource allocation announcement message that described base station returns, in described resource allocation announcement message, comprise the resource block information that described base station is described terminal distribution;
The average power of corresponding frequency bandwidth is calculated according to described resource block information;
Judge the channel busy state threshold whether described average power reaches default;
If described average power does not reach default channel busy state threshold, then the resource of described base station assigns is used to carry out business transmission.
2. as claimed in claim 1 method, it is characterized in that, before the average power calculating corresponding frequency bandwidth according to described resource block information, also comprise:
Monitor Physical Downlink Control Channel, from the schedule information that particular terminal search volume searches, obtain described default channel busy state threshold; Or
Receive the radio resource control signaling that described base station sends, obtain described default channel busy state threshold from described radio resource control signaling crowd.
3. method as claimed in claim 2, is characterized in that, if described base station assigns gives the Resource Block of described terminal continuous, then calculates the average power of corresponding frequency bandwidth according to described resource block information, comprising:
Obtain described base station assigns to the power of each Resource Block of described terminal;
Add up to the power of each Resource Block described, the quantity divided by each Resource Block described obtains the average power of the corresponding frequency bandwidth of each Resource Block described.
4. method as claimed in claim 2, is characterized in that, if described base station assigns gives the Resource Block of described terminal discontinuous, then calculates the average power of corresponding frequency bandwidth according to described resource block information, comprising:
Obtain described base station assigns to the power of each Resource Block of described terminal;
The power of each Resource Block described is added up, divided by the Resource Block quantity in whole frequency bandwidth, obtains the average power of whole frequency bandwidth.
5. the method as described in any one of claim 1-4, is characterized in that, if described average power reaches default channel busy state threshold, then jumps to the step of the average power calculating corresponding frequency bandwidth according to described resource block information.
6. a terminal, is characterized in that, comprising:
Acquiring unit, if need 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 described base station returns, and comprises the resource block information that described base station is described terminal distribution in described resource allocation announcement message;
Computing unit, for calculating the average power of corresponding frequency bandwidth according to described resource block information;
Judging unit, for judging the channel busy state threshold whether described average power reaches default;
Transmission unit, if do not reach default channel busy state threshold for described average power, then uses the resource of described base station assigns to carry out business transmission.
7. terminal as claimed in claim 1, is characterized in that, described acquiring unit also for:
Monitor Physical Downlink Control Channel, from the schedule information that particular terminal search volume searches, obtain described default channel busy state threshold; Or
Receive the radio resource control signaling that described base station sends, obtain described default channel busy state threshold from described radio resource control signaling crowd.
8. terminal as claimed in claim 7, is characterized in that, if described base station assigns gives the Resource Block of described terminal continuous, then described computing unit calculates the average power of corresponding frequency bandwidth according to described resource block information, specifically for:
Obtain described base station assigns to the power of each Resource Block of described terminal;
Add up to the power of each Resource Block described, the quantity divided by each Resource Block described obtains the average power of the corresponding frequency bandwidth of each Resource Block described.
9. terminal as claimed in claim 7, is characterized in that, if described base station assigns gives the Resource Block of described terminal continuous, then described computing unit calculates the average power of corresponding frequency bandwidth according to described resource block information, specifically for:
Obtain described base station assigns to the power of each Resource Block of described terminal;
The power of each Resource Block described is added up, divided by the Resource Block quantity in whole frequency bandwidth, obtains the average power of whole frequency bandwidth.
10. the terminal as described in any one of claim 6-9, it is characterized in that, if described average power reaches default channel busy state threshold, then described computing unit is also for again performing the step of the average power calculating corresponding frequency bandwidth according to described resource block information.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| CN105704728A (en) * | 2016-03-18 | 2016-06-22 | 北京北方烽火科技有限公司 | Method for selecting unauthorized frequency spectrum by terminal and terminal |
| CN107026723A (en) * | 2016-02-02 | 2017-08-08 | 电信科学技术研究院 | A kind of method and apparatus of transmitting uplink control information |
| 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 |
| WO2017181787A1 (en) * | 2016-04-18 | 2017-10-26 | 中兴通讯股份有限公司 | Uplink control information transmission method, device and system, and storage medium |
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| CN109451864B (en) * | 2018-02-13 | 2023-11-24 | 北京小米移动软件有限公司 | Method and device for transmitting information, base station and user equipment |
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| WO2017035937A1 (en) | 2017-03-09 |
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