CN105228199B - A kind of carrier switch method, base station and system based on unauthorized frequency range - Google Patents
A kind of carrier switch method, base station and system based on unauthorized frequency range Download PDFInfo
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- CN105228199B CN105228199B CN201510639097.5A CN201510639097A CN105228199B CN 105228199 B CN105228199 B CN 105228199B CN 201510639097 A CN201510639097 A CN 201510639097A CN 105228199 B CN105228199 B CN 105228199B
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 239000000969 carrier Substances 0.000 claims abstract description 89
- 238000005259 measurement Methods 0.000 claims abstract description 65
- 238000004891 communication Methods 0.000 claims abstract description 11
- 230000011664 signaling Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 description 12
- 238000001228 spectrum Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000004590 computer program Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/06—Reselecting a communication resource in the serving access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
- H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
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Abstract
The embodiment of the invention discloses a kind of carrier switch methods based on unauthorized frequency range, including：When base station determines that operating carriers are disturbed, first carrier set is obtained；Wherein, first carrier set is not affected by strongly disturbing carrier wave comprising base station side；Carrier wave is sent to user equipment and measures instruction, and carrier wave, which measures instruction and is used to indicate user equipment, to carry out carrier wave to the carrier wave that detects and measure to generate measurement result, and to return measurement result；The second carrier set is determined according to measurement result, and first carrier set and the second carrier set conjunction intersection are generated into carrier wave intersection；Wherein, the second carrier set is not affected by strongly disturbing carrier wave comprising user equipment side；A carrier wave is selected to be switched to target carrier as target carrier, and by operating carriers from carrier wave intersection.The embodiment of the invention also discloses a kind of base station and communication systems.Using the present invention, it can ensure the service quality and business continuance of business after carrier switch.
Description
Technical field
The present invention relates to wireless communication field more particularly to a kind of carrier switch method of unauthorized frequency range, base station and it is
System.
Background technology
With the sharp increase of message volume, 3GPP (3rd Generation Partnership Project, third
For partner program, abbreviation 3GPP) authorize frequency spectrum to seem less and less adequate to provide higher network capacity.In order to further
Improve frequency spectrum resource utilization, 3GPP just discuss how with the help of authorizing frequency spectrum use unlicensed spectrum, as 2.4GHz with
5GHz frequency ranges.These unlicensed spectrums are presently mainly Wi-Fi (Wireless-Fidelity, Wireless Fidelity, abbreviation Wi-Fi),
Bluetooth, radar, the systems such as medical treatment are using.Carrier wave polymerizable functional allow by LTE (Long Term Evolution, long term evolution,
Abbreviation LTE) it is deployed in unauthorized frequency range and becomes possible to.3GPP proposes LAA (Licensed Assisted Access, auxiliary
Authorize access, abbreviation LAA) concept, authorize the help of frequency spectrum to use unlicensed spectrum by LTE.In view of unlicensed band
Upper presence includes other access devices such as Wi-Fi, bluetooth, and one kind is for avoiding radar mechanism, DFS (Dynamic Frequency
Selection, dynamic spectrum selection, abbreviation DFS) it is suggested.
Due to there is good orthogonality to ensure that interference level in LTE network, so the downstream transmission of base station and user
Without whether thering is the base station of same operator or user being transmitted around considering.And if LTE is deployed in unauthorized frequency
Duan Shang, it is contemplated that the highest priority of radar system, it is necessary to execute DFS or dynamic carrier selection algorithm.And traditional LTE systems
There is no both mechanism in system to avoid interfering.In order to which preferably in unauthorized band operation, LTE needs both mechanism,
Here it is where the defect of existing technologies.
Meanwhile traditional dynamic carrier selection algorithm, after being all base station measurement, candidate that user generates from base station measurement
It is measured again in frequency range/carrier wave, selects suitable carrier wave and carry out frequency hopping, have the disadvantage that, not really consider in this way
To user experience because base station is different from user present position, the carrier wave that base station is selected for user terminal, may interfere with compared with
Greatly, following base station, frequency hopping may reduce user experience together, or even can not ensure service quality.
Invention content
Technical problem to be solved of the embodiment of the present invention is, provides a kind of carrier switch side based on unauthorized frequency range
Method, base station and communication system.Business service quality caused by can solving the problems, such as carrier switch in the prior art declines.
In order to solve the above-mentioned technical problem, an embodiment of the present invention provides a kind of carrier switch sides based on unauthorized frequency range
Method, including：
When base station determines that operating carriers are disturbed, first carrier set is obtained；Wherein, the first carrier set includes base
Side of standing is not affected by strongly disturbing carrier wave；
The base station sends carrier wave to user equipment and measures instruction, and the carrier wave, which measures, indicates that being used to indicate the user sets
It is standby that carrier wave measurement generation measurement result is carried out to the carrier wave detected, and return to the measurement result to the base station；
The base station determines the second carrier set according to the measurement result, and by the first carrier set and described
Second carrier set conjunction intersection generates carrier wave intersection；Wherein, second carrier set is not affected by comprising the user equipment side
Strongly disturbing carrier wave；
The base station selects a carrier wave to switch as target carrier, and by the operating carriers from the carrier wave intersection
For the target carrier.
With reference to first aspect, in the first possible implementation, when the base station determines that operating carriers receive interference,
Include according to strongly disturbing carrier wave generation first carrier set is not affected by：
When the RSSI of the operating carriers is more than preset first threshold value in the base station measurement preset duration, institute is determined
Operating carriers are stated by strong jamming；
The base station determines other carrier waves in addition to the operating carriers detected, and is surveyed respectively in preset duration
The RSSI of each carrier wave in other described carrier waves of amount；
When the RSSI measured is not more than first threshold value, determine that corresponding carrier wave is not affected by strong jamming；
The first carrier set is generated according to strongly disturbing carrier wave is not affected by.
The possible realization method of with reference to first aspect the first, in second of possible realization method, the base station
Determine that the second carrier set includes according to the measurement result：
The base station obtains the RSSI of each carrier wave in the carrier wave detected carried in the measurement result；
When RSSI be less than preset second threshold value, determine that corresponding carrier wave is not affected by strong jamming；
It is not affected by strongly disturbing carrier wave in the carrier wave detected according to the user equipment and generates second carrier set.
With reference to first aspect, described that the operating carriers are switched to the mesh in the third possible realization method
Marking carrier wave includes：
When the unappropriated duration of the target carrier is more than preset value, the operating carriers are switched to the target
Carrier wave.
With reference to first aspect, in the 4th kind of possible realization method, the base station sends carrier wave to user equipment and measures
Instruction includes：
The base station sends carrier wave to user equipment by scheduling information or RRC signaling and measures instruction.
With reference to first aspect to any one in the 4th kind of possible realization method of first aspect, in the 5th kind of possibility
Realization method in, further include：
If the carrier wave intersection is sky, the base station obtains the grade of service of the user equipment；
Judge whether the grade of service of the user equipment is more than predetermined level；
If it is, base station selection target carrier wave from second carrier set；
If it has not, base station selection target carrier wave from the first carrier set；
After determining target carrier, the base station indicates that the operating carriers are switched to the mesh by the user equipment
Mark carrier wave.
Second aspect of the embodiment of the present invention provides a kind of base station, including：
Determining module when for determining that operating carriers are disturbed, obtains first carrier set；Wherein, the first carrier
Set is not affected by strongly disturbing carrier wave comprising base station side；
Indicating module measures instruction for sending carrier wave to user equipment, and the carrier wave measurement instruction is used to indicate described
User equipment carries out carrier wave to the carrier wave detected and measures generation measurement result, and returns to the measurement result to the base station；
Generation module, for determining the second carrier set according to the measurement result, and by the first carrier set
Carrier wave intersection is generated with the second carrier set conjunction intersection；Wherein, second carrier set includes the user equipment side
It is not affected by strongly disturbing carrier wave；
First handover module, for selecting a carrier wave as target carrier from the carrier wave intersection, and by the work
It is the target carrier to make carrier switch.
In conjunction with second aspect, in the first possible implementation, the determining module specifically includes：
First determination unit, the RSSI for measuring the operating carriers in preset duration are more than preset first threshold value
When, determine the operating carriers by strong jamming；
Measuring unit, for determining other carrier waves in addition to the operating carriers detected, and in preset duration
The RSSI of each carrier wave in other described carrier waves is measured respectively；
Second determination unit, for when the RSSI measured is not more than first threshold value, determining corresponding carrier wave
It is not affected by strong jamming；
Generation unit is not affected by strongly disturbing carrier wave for basis and generates the first carrier set.
In conjunction with second aspect, in second of possible realization method, the generation module is used for：
Obtain the RSSI of each carrier wave in the carrier wave detected carried in the measurement result；
When RSSI be less than preset second threshold value, determine that corresponding carrier wave is not affected by strong jamming；
It is not affected by strongly disturbing carrier wave in the carrier wave detected according to the user equipment and generates second carrier set.
It is described to be used for first handover module in the third possible realization method in conjunction with second aspect：
When the unappropriated duration of the target carrier is more than preset value, the operating carriers are switched to the target
Carrier wave.
In conjunction with second aspect, in the 4th kind of possible realization method, the indicating module is used for：
Carrier wave is sent to user equipment measure instruction by scheduling information or RRC signaling.
In conjunction with second aspect to second aspect the 4th kind of possible realization method in any one, in the 5th kind of possibility
Realization method in, further include：
Second handover module, if being sky for the carrier wave intersection, the base station obtains the business of the user equipment
Grade；
Judge whether the grade of service of the user equipment is more than predetermined level；
If it is, the selection target carrier wave from second carrier set；
If it has not, the selection target carrier wave from the first carrier set；
After determining target carrier, indicate that the operating carriers are switched to the target carrier by the user equipment.
The third aspect of the embodiment of the present invention provides a kind of communication system, including base station and user equipment,
The base station is for when determining that operating carriers are disturbed, obtaining first carrier set；Wherein, the first carrier collection
It is combined into base station side and is not affected by strongly disturbing carrier wave；
Carrier wave, which is sent, to the user equipment measures instruction；
The second carrier set is determined according to the measurement result, and by the first carrier set and second carrier wave
Set generates carrier wave intersection；Wherein, second carrier set is that the user equipment side is not affected by strongly disturbing carrier wave
A carrier wave is selected to be switched to the mesh as target carrier, and by the operating carriers from the carrier wave intersection
Mark carrier wave；
The user equipment measures instruction for receiving the carrier wave；
Instruction is measured according to the carrier wave, strategy generating measurement result is carried out to the carrier wave detected, returned to the base station
The measurement result.
Implement the embodiment of the present invention, has the advantages that：
Base station obtains base station side and is not affected by strongly disturbing carrier wave and end side not when determining operating carriers by strong jamming
By the carrier wave overlapped in strongly disturbing carrier wave, selection target carrier wave switches over from the carrier wave of coincidence, the load selected in this way
Wave meets the transmission requirement of uplink and downlink simultaneously, to improve the service quality of user equipment.
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 a kind of flow diagram of carrier switch method based on unauthorized frequency range provided in an embodiment of the present invention；
Fig. 2 is a kind of another flow signal of carrier switch method based on unauthorized frequency range provided in an embodiment of the present invention
Figure；
Fig. 3 is a kind of interaction diagrams of communication system provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of base station provided in an embodiment of the present invention；
Fig. 5 is a kind of another structural schematic diagram of base station provided in an embodiment 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.
It is that a kind of flow of the carrier switch method based on unauthorized frequency range provided in an embodiment of the present invention is shown referring to Fig. 1
It is intended to, in embodiments of the present invention, the method includes：
When S101, base station determine that operating carriers are disturbed, first carrier set is obtained；Wherein, the first carrier set
Including base station side is not affected by strongly disturbing carrier wave.
Specifically, operating carriers are the carrier wave of unauthorized frequency range, base station obtains unauthorized frequency range by way of competition
After the right to use of carrier wave, the carrier wave of the unauthorized frequency range becomes operating carriers, and the user terminal in base station and affiliated subdistrict uses
Operating carriers transmission services data or signaling data.Base station finds that work carries during using operating carriers transmission data
Wave by strong jamming, can not normal use when, base station obtains first carrier set, in first carrier set comprising base station side not by
To strongly disturbing carrier wave, the method that base station obtains first carrier set can be：Base station determines workable multiple carrier waves, measures
It is measured in multiple carrier waves except each carrier wave of operating carriers executes carrier wave, obtains RSSI (the Received Signal of each carrier wave
Strength Indication, received signal strength indicator, abbreviation RSSI), if RSSI is less than preset threshold value, show
Carrier wave is not affected by strong jamming, if RSSI is greater than or equal to preset threshold value, shows carrier wave by strong jamming.Wherein, it presets
Threshold value can be configured as needed, the present invention is not restricted, in LTE communication system, the allusion quotation of preset threshold value
Offset is -62dBm.Wherein, carrier wave can be determined according to bandwidth and frequency point.
S102, the base station send carrier wave to user equipment and measure instruction, and the carrier wave measurement instruction is used to indicate described
User equipment measures and carries out carrier wave measurement generation measurement result to the carrier wave detected, and returns to the measurement knot to the base station
Fruit.
Specifically, user equipment is located in the cell belonging to base station, and user equipment is connected state, and base station is to user equipment
It sends carrier wave and measures instruction, user equipment receives carrier wave and measures instruction, carries out carrier wave measurement to the carrier wave detected, wherein carry
Wave measurement includes that RSSI, RSRQ or RSRQ etc. of the carrier wave detected are measured, so that base station assessment user equipment side detection
The service quality of the carrier wave arrived, after completing carrier wave measurement, user equipment is to base station return measurement result and notifies base station itself
The carrier wave detected.
Wherein, carrier wave measures instruction and can be transmitted by the carrier wave of unauthorized frequency range or the carrier wave of authorized spectrum band, this
Invention is not restricted.
S103, the base station determine the second carrier set according to the measurement result, and by the first carrier set
Carrier wave intersection is generated with second carrier set；Wherein, second carrier set is that the user equipment side is not affected by by force
The carrier wave of interference.
Specifically, the measurement result that base station is returned according to user equipment, determines that user equipment side is not affected by strongly disturbing load
Wave generates the second carrier set according to strongly disturbing carrier wave is not affected by, first carrier set and the second carrier set is gone intersection
Carrier wave intersection is generated, the carrier wave for including in carrier wave intersection while being located in first carrier set and the second carrier set
S104, the base station select a carrier wave to be carried as target carrier, and by the work from the carrier wave intersection
Wave is switched to the target carrier.
Wherein, base station carries the broadcast frequency hopping instruction of target carrier mark in cell, and user terminal receives frequency hopping and refers to
After order, current operating carriers are switched to by target carrier according to the time of frequency hopping instruction instruction.
Implement the embodiment of the present invention, base station obtains base station side and be not affected by by force when determining operating carriers by strong jamming
The carrier wave of interference and end side are not affected by the carrier wave overlapped in strongly disturbing carrier wave, from the carrier wave of coincidence selection target carrier wave into
Row switching, the carrier wave selected in this way while the transmission requirement for meeting uplink and downlink, to improve the service quality of user equipment.
It is a kind of carrier switch method based on unauthorized frequency range provided in an embodiment of the present invention, in the present invention referring to Fig. 2
In embodiment, the method includes：
When the RSSI of the operating carriers is more than preset first threshold value in S201, base station measurement preset duration, determine
The operating carriers are by strong jamming.
Specifically, the carrier wave that the user equipment of carrier wave of the operating carriers for unauthorized frequency range, base station and affiliated subdistrict is current
For operating carriers, base station obtains the right to use of operating carriers by way of competition, by operating carriers transmission services data or
Signaling data, wherein the operating carriers that base station competes unauthorized frequency range may be used the mode of CCA and obtain other modes, this hair
It is bright not to be restricted.Base station finds operating carriers by capable and experienced during using the operating carriers transmission data of unauthorized frequency range
When disturbing and leading to not normal transmission data, base station needs to carry out carrier switch.Base station determines operating carriers by strongly disturbing
Method can be：Base station repeatedly measures the RSSI on operating carriers in preset duration, and the RSSI repeatedly measured is made even
The RSSI being calculated and preset first threshold value are compared by RSSI of the mean value as operating carriers, if it is greater than
It is worth under one, shows operating carriers by strong jamming.
S202, the base station determine other carrier waves in addition to the operating carriers detected, and in preset duration
The RSSI of each carrier wave in other described carrier waves is measured respectively.
Specifically, according to the frequency range of the unauthorized frequency range of regulation and the bandwidth of operating carriers in advance by unauthorized frequency range
It is divided into multiple carrier waves, base station can obtain the use of any one carrier wave in multiple carrier waves of division by way of competition
Power, operating carriers are one in the multiple carrier waves divided, and the base station that base station sounds arrive is the multiple carrier waves divided.Base station exists
When determining operating carriers by strong jamming, the RSSI of each carrier wave in other carrier waves is measured in preset duration respectively.
For example, the carrier wave that base station sounds arrive is carrier wave 1, carrier wave 2, carrier wave 3 and carrier wave 4, wherein carrier wave 1 is current
Operating carriers, base station measure carrier wave 2, carrier wave 3 and the carrier wave 4 in addition to carrier wave 1 pre- when determining carrier wave 1 by strong jamming
If the RSSI in duration, the mode of measurement can be：It is averaged after being taken multiple measurements in preset duration.
S203, when the RSSI measured be not more than first threshold value when, determine that corresponding carrier wave is not affected by strong jamming.
Specifically, when RSSI is not more than the first threshold value, for base station, the corresponding carrier waves of RSSI are not affected by capable and experienced
It disturbs, normal transmission data can be used for.
S204, basis are not affected by strongly disturbing carrier wave and generate first carrier set.Wherein, base station can be according to RSSI pairs
Carrier wave in one carrier set carries out ascending order arrangement or descending arrangement.
For example, the RSSI of carrier wave 2, carrier wave 3 and carrier wave 4 is no more than the first threshold value, base station is by carrier wave 2, carrier wave 3 and carries
Wave 4 is added to first carrier set.Wherein, each carrier wave can be indicated by frequency point and bandwidth.
S205, the base station send carrier wave to user equipment and measure instruction, and the carrier wave measurement instruction is used to indicate described
User equipment carries out carrier wave to the carrier wave detected and measures generation measurement result, and returns to the measurement result to the base station.
It can be believed by the scheduling of RRC signaling or UE-specific search space specifically, carrier wave measures instruction
Breath carries or other message carry, and the present invention is not restricted.Carrier wave measures instruction and is used to indicate user equipment to detecting
Carrier wave carry out carrier wave measurement, such as：Measure the measurement method and base station side of each carrier wave RSSI in preset duration, RSSI
Measurement method it is identical, the carrier wave for the unauthorized frequency range that the carrier subscriber equipment detected can be used in current location, measure
After the completion, user equipment is to base station return measurement result.Such as：The corresponding frequency point of carrier wave, bandwidth and the RSSI detected.
S206, the base station obtain each carrier wave in the carrier wave detected carried in the measurement result
RSSI。
Specifically, base station determines that the carrier wave that user equipment detects and the carrier wave detected respectively correspond to according to measurement result
RSSI.
S207, when RSSI be less than preset second threshold value, determine that corresponding carrier wave is not affected by strong jamming.
Specifically, base station, which filters out RSSI in each carrier wave that user equipment detects, is less than preset second threshold value
Carrier wave, RSSI are less than the second threshold value, show that carrier wave is not affected by strong jamming for being used for user equipment.
It is not affected by strongly disturbing carrier wave in S208, the carrier wave detected according to the user equipment and generates the second carrier set
It closes.Wherein, base station can carry out ascending or descending order arrangement according to the carrier wave in RSSI pairs of the second carrier set.
For example, the carrier wave that user equipment detects is carrier wave 2, carrier wave 3 and carrier wave 4, wherein base station, which filters out, is not affected by by force
The carrier wave of interference is carrier wave 3 and carrier wave 4, and carrier wave 3 and carrier wave 4 are added in the second carrier set by base station.
S209, the first carrier set and the second carrier set conjunction intersection are generated into carrier wave intersection.
Specifically, the carrier wave in carrier wave intersection is the carrier wave shared in first carrier set and the second carrier set.For example,
First carrier set includes carrier wave 2, carrier wave 3 and carrier wave 4, and the second carrier set includes carrier wave 3 and carrier wave 4, then base station pair first
The carrier wave intersection generated after carrier set and the second carrier set conjunction intersection includes carrier wave 3 and carrier wave 4.
Whether S210, the carrier wave intersection are empty.
Specifically, carrier wave intersection is the empty no any carrier wave of expression, i.e. first carrier set and the second carrier set does not have
Common carrier wave executes S212 if carrier wave intersection is sky；Otherwise, S211 is executed.
S211, the base station select a carrier wave to be carried as target carrier, and by the work from the carrier wave intersection
Wave is switched to the target carrier.
Wherein, base station can select the carrier wave of RSSI minimums or any one carrier wave to be carried as target from carrier wave intersection
Wave, and broadcast carries the frequency point of target carrier and the frequency hopping instruction of bandwidth into cell, to indicate user equipment when specified
Operating carriers are switched to target carrier by quarter together.
Optionally, base station is after determining target carrier, and detection target carrier is after the duration of idle state is more than preset value,
Current operating carriers are switched to target carrier.
S212, the grade of service for obtaining the user equipment.
Wherein, the grade of service indicates the priority of business, and the priority of the higher expression business of the grade of service is higher, such as language
The grade of service of sound business is higher than data service.
Whether S213, the grade of service are more than predetermined level.
Specifically, judging whether the grade of service of user equipment is more than predetermined level, if it is, executing S214, otherwise hold
Row S215.
S214, the base station selection target carrier wave from second carrier set.
S215, the base station selection target carrier wave from the first carrier set.
S216, the base station indicate that the operating carriers are switched to target carrier by the user equipment.
Wherein, base station continues to judge that the corresponding base station of target carrier and operating carriers correspond to after determining target carrier
Base station whether belong to same operator, if YES, base station indicates user equipment together in frequency hopping to target carrier.
Implement the embodiment of the present invention, base station obtains base station side and be not affected by by force when determining operating carriers by strong jamming
The carrier wave of interference and end side are not affected by the carrier wave overlapped in strongly disturbing carrier wave, from the carrier wave of coincidence selection target carrier wave into
Row switching, the carrier wave selected in this way while the transmission requirement for meeting uplink and downlink, to improve the service quality of user equipment.
It is a kind of interaction schematic diagram of communication system provided in an embodiment of the present invention, in the embodiment of the present invention referring to Fig. 3
In, the communication system includes base station and user equipment, wherein the interaction flow between base station and user equipment is as follows：
S301, base station determine that by strong jamming, carrier wave survey is carried out to other carrier waves in addition to operating carriers for operating carriers
Amount.
Wherein, the RSSI on operating carriers is repeatedly measured in preset duration, after the RSSI repeatedly measured is removed average value
Determine operating carriers by strong when the RSSI being calculated is more than preset first threshold value as the RSSI of operating carriers
Interference, obtains multiple carrier waves that base station is supported, carrier wave measurement is carried out to other carrier waves in multiple carrier waves in addition to operating carriers,
To obtain the RSSI of each carrier wave.
S302, base station filter out the carrier wave that RSSI in other carrier waves is less than preset first threshold value, after screening
Carrier wave generates first carrier set.
Wherein, first carrier set includes the carrier wave that RSSI is less than the first threshold value.
S303, base station send carrier wave to user equipment and measure instruction.
S304, user equipment measure instruction according to carrier wave and determine the carrier wave detected.
S305, user equipment measure the RSSI for determining the carrier wave detected.
S306, user equipment return to the mark and the corresponding RSSI of each carrier wave of the carrier wave detected to base station.
S307, base station filter out the carrier wave that RSSI in the carrier wave detected is less than preset second threshold value, according to screening
Carrier wave afterwards generates the second carrier set.
S308, base station go intersection to generate carrier set first carrier set and the second carrier set.
S309, base station select a target carrier from carrier wave intersection.
S310, base station judge that the unappropriated duration of target carrier reaches preset value.
Wherein, base station determines that target carrier is that the duration of idle state reaches preset value.
S311, base station send carrier switch instruction to user equipment.
S312, base station and user equipment are switched to target carrier from operating carriers.
Implement the embodiment of the present invention, base station obtains base station side and be not affected by by force when determining operating carriers by strong jamming
The carrier wave of interference and end side are not affected by the carrier wave overlapped in strongly disturbing carrier wave, from the carrier wave of coincidence selection target carrier wave into
Row switching, the carrier wave selected in this way while the transmission requirement for meeting uplink and downlink, to improve the service quality of user equipment.
It is a kind of structural schematic diagram of base station provided in an embodiment of the present invention, in embodiments of the present invention, institute referring to Fig. 4
It includes determining module 401, indicating module 402, generation module 403 and the first handover module 404 to state base station.
Determining module 401 when for determining that operating carriers are disturbed, obtains first carrier set；Wherein, it described first carries
Wave set is not affected by strongly disturbing carrier wave comprising base station side.
Indicating module 402 measures instruction for sending carrier wave to user equipment, and the carrier wave measures instruction and is used to indicate institute
It states user equipment and carrier wave measurement generation measurement result is carried out to the carrier wave detected, and the measurement knot is returned to the base station
Fruit.
Generation module 403, for determining the second carrier set according to the measurement result, and by the first carrier collection
It closes and the second carrier set conjunction intersection generates carrier wave intersection；Wherein, second carrier set includes the user equipment
Side is not affected by strongly disturbing carrier wave.
First handover module, for selecting a carrier wave as target carrier from the carrier wave intersection, and by the work
It is the target carrier to make carrier switch.
The embodiment of the present invention and embodiment of the method one are based on same design, and the technique effect brought is also identical, specific mistake
Journey please refers to the description of embodiment of the method one, and details are not described herein again.
Further, in some embodiments of the invention, the determining module specifically includes：
First determination unit, the RSSI for measuring the operating carriers in preset duration are more than preset first threshold value
When, determine the operating carriers by strong jamming；
Measuring unit, for determining other carrier waves in addition to the operating carriers detected, and in preset duration
The RSSI of each carrier wave in other described carrier waves is measured respectively；
Second determination unit, for when the RSSI measured is not more than first threshold value, determining corresponding carrier wave
It is not affected by strong jamming；
Generation unit is not affected by strongly disturbing carrier wave for basis and generates the first carrier set.
Optionally, the generation module is used for：
Obtain the RSSI of each carrier wave in the carrier wave detected carried in the measurement result；
When RSSI be less than preset second threshold value, determine that corresponding carrier wave is not affected by strong jamming；
It is not affected by strongly disturbing carrier wave in the carrier wave detected according to the user equipment and generates second carrier set.
Optionally, described to be used for first handover module：
When the unappropriated duration of the target carrier is more than preset value, the operating carriers are switched to the target
Carrier wave.
Optionally, the indicating module is used for：
Carrier wave is sent to user equipment measure instruction by scheduling information or RRC signaling.
Optionally, the base station further includes：
Second handover module, if being sky for the carrier wave intersection, the base station obtains the business of the user equipment
Grade；
Judge whether the grade of service of the user equipment is more than predetermined level；
If it is, base station selection target carrier wave from second carrier set；
If it has not, base station selection target carrier wave from the first carrier set；
After determining target carrier, the base station indicates that the operating carriers are switched to the mesh by the user equipment
Mark carrier wave.
The embodiment of the present invention and embodiment of the method two are based on same design, and the technique effect brought is also identical, specific mistake
Journey can refer to the description of embodiment of the method two, and details are not described herein again.
It is a kind of another structural schematic diagram of base station of the embodiment of the present invention, in this embodiment, base station is used for referring to Fig. 5
Realize the carrier switch method based on unauthorized frequency range described in Fig. 1, base station includes that processor 501, memory 502 and communication connect
Mouthfuls 503, the quantity of the processor 501 in base station can be one or more, and Fig. 5 is by taking a processor as an example.The one of the present invention
In a little embodiments, processor 501, memory 502 can be connected with communication interface 503 by bus or other modes, with total in Fig. 5
For line connection.
Wherein, batch processing code is stored in memory 502, and processor 501 is used to call to store in memory 502
Program code, for performing the following operations：
When determining that operating carriers are disturbed, first carrier set is obtained；Wherein, the first carrier set includes base station side
It is not affected by strongly disturbing carrier wave；
Carrier wave is sent to user equipment and measures instruction, and the carrier wave measures instruction and is used to indicate the user equipment to detection
The carrier wave arrived carries out carrier wave and measures generation measurement result, and returns to the measurement result to the base station；
The second carrier set is determined according to the measurement result, and by the first carrier set and second carrier wave
Collect conjunction intersection and generates carrier wave intersection；Wherein, second carrier set is not affected by strongly disturbing comprising the user equipment side
Carrier wave
A carrier wave is selected to be switched to the mesh as target carrier, and by the operating carriers from the carrier wave intersection
Mark carrier wave.
In some embodiments of the invention, when processor 501 executes the determining operating carriers and receives interference, according to not
Being generated first carrier set by strongly disturbing carrier wave includes：
When measuring the RSSI of the operating carriers in preset duration more than preset first threshold value, determine that the work carries
Wave is by strong jamming；
Determine other carrier waves in addition to the operating carriers for detecting, and measure respectively in preset duration it is described its
The RSSI of each carrier wave in his carrier wave；
When the RSSI measured is not more than first threshold value, determine that corresponding carrier wave is not affected by strong jamming；
The first carrier set is generated according to strongly disturbing carrier wave is not affected by.
In some embodiments of the invention, processor 501 executes described determines the second carrier wave according to the measurement result
Set includes：
The base station obtains the RSSI of each carrier wave in the carrier wave detected carried in the measurement result；
When RSSI be less than preset second threshold value, determine that corresponding carrier wave is not affected by strong jamming；
It is not affected by strongly disturbing carrier wave in the carrier wave detected according to the user equipment and generates second carrier set.
In some embodiments of the invention, processor 501 executes described is switched to the target by the operating carriers
Carrier wave includes：
When the unappropriated duration of the target carrier is more than preset value, the operating carriers are switched to the target
Carrier wave.
In some embodiments of the invention, processor 501 executes described measured to user equipment transmission carrier wave and indicates packet
It includes：
Carrier wave is sent to user equipment measure instruction by scheduling information or RRC signaling.
In some embodiments of the invention, processor 501 is additionally operable to execute：
If the carrier wave intersection is sky, the base station obtains the grade of service of the user equipment；
Judge whether the grade of service of the user equipment is more than predetermined level；
If it is, base station selection target carrier wave from second carrier set；
If it has not, base station selection target carrier wave from the first carrier set；
After determining target carrier, the base station indicates that the operating carriers are switched to the mesh by the user equipment
Mark carrier wave.
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, ROM) or random access memory (RandomAccess
Memory, RAM) etc..
It is above disclosed to be only a preferred embodiment of the present invention, the power of the present invention cannot be limited with this certainly
Sharp range, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and is weighed according to the present invention
Equivalent variations made by profit requirement, still belong to the scope covered by the invention.
Claims (13)
1. a kind of carrier switch method based on unauthorized frequency range, which is characterized in that including：
When base station determines operating carriers by strong jamming, first carrier set is obtained；Wherein, the first carrier set includes base
Side of standing is not affected by strongly disturbing carrier wave；
The base station sends carrier wave to user equipment and measures instruction, and the carrier wave measures instruction and is used to indicate the user equipment pair
The carrier wave detected carries out carrier wave and measures generation measurement result, and returns to the measurement result to the base station；
The base station determines the second carrier set according to the measurement result, and by the first carrier set and described second
Carrier set conjunction intersection generates carrier wave intersection；Wherein, second carrier set is not affected by capable and experienced comprising the user equipment side
The carrier wave disturbed；
The base station selects a carrier wave to be switched to institute as target carrier, and by the operating carriers from the carrier wave intersection
State target carrier.
2. the method as described in claim 1, which is characterized in that when the base station determines operating carriers by strong jamming, according to
Being not affected by strongly disturbing carrier wave generation first carrier set includes：
When the RSSI of the operating carriers is more than preset first threshold value in the base station measurement preset duration, the work is determined
Make carrier wave by strong jamming；
The base station determines other carrier waves in addition to the operating carriers detected, and respectively to described in preset duration
Each carrier wave carries out multiple rssi measurement in other carrier waves；
When the RSSI measured is not more than first threshold value, determine that corresponding carrier wave is not affected by strong jamming；
The first carrier set is generated according to strongly disturbing carrier wave is not affected by.
3. method as claimed in claim 2, which is characterized in that the base station determines the second carrier set according to the measurement result
Conjunction includes：
The base station obtains the RSSI of each carrier wave in the carrier wave detected carried in the measurement result；
When RSSI be less than preset second threshold value, determine that corresponding carrier wave is not affected by strong jamming；
It is not affected by strongly disturbing carrier wave in the carrier wave detected according to the user equipment and generates second carrier set.
4. the method as described in claim 1, which is characterized in that described that the operating carriers are switched to the target carrier packet
It includes：
When the unappropriated duration of the target carrier is more than preset value, the operating carriers are switched to the target and are carried
Wave.
5. the method as described in claim 1, which is characterized in that the base station sends carrier wave to user equipment and measures instruction packet
It includes：
The base station sends carrier wave to user equipment by scheduling information or RRC signaling and measures instruction.
6. the method as described in claim 1-5 any one, which is characterized in that further include：
If the carrier wave intersection is sky, the base station obtains the grade of service of the user equipment；
Judge whether the grade of service of the user equipment is more than predetermined level；
If it is, base station selection target carrier wave from second carrier set；
If it has not, base station selection target carrier wave from the first carrier set；
After determining target carrier, the base station indicates that the operating carriers are switched to the target and carried by the user equipment
Wave.
7. a kind of base station, which is characterized in that including：
Determining module when for determining that operating carriers are disturbed, obtains first carrier set；Wherein, the first carrier set
Including base station side is not affected by strongly disturbing carrier wave；
Indicating module measures instruction for sending carrier wave to user equipment, and the carrier wave measures instruction and is used to indicate the user
Equipment carries out carrier wave to the carrier wave detected and measures generation measurement result, and returns to the measurement result to the base station；
Generation module, for determining the second carrier set according to the measurement result, and by the first carrier set and institute
It states the second carrier set conjunction intersection and generates carrier wave intersection；Wherein, second carrier set include the user equipment side not by
To strongly disturbing carrier wave；
First handover module, for selecting a carrier wave to be carried as target carrier, and by the work from the carrier wave intersection
Wave is switched to the target carrier.
8. base station as claimed in claim 7, which is characterized in that the determining module specifically includes：
First determination unit, when the RSSI for measuring the operating carriers in preset duration is more than preset first threshold value,
Determine the operating carriers by strong jamming；
Measuring unit, for determining other carrier waves in addition to the operating carriers detected, and in preset duration respectively
Measure the RSSI of each carrier wave in other described carrier waves；
Second determination unit, for when the RSSI measured be not more than first threshold value when, determine corresponding carrier wave not by
To strong jamming；
Generation unit is not affected by strongly disturbing carrier wave for basis and generates the first carrier set.
9. base station as claimed in claim 7, which is characterized in that the generation module is used for：
Obtain the RSSI of each carrier wave in the carrier wave detected carried in the measurement result；
When RSSI be less than preset second threshold value, determine that corresponding carrier wave is not affected by strong jamming；
It is not affected by strongly disturbing carrier wave in the carrier wave detected according to the user equipment and generates second carrier set.
10. base station as claimed in claim 7, which is characterized in that described to be used for first handover module：
When the unappropriated duration of the target carrier is more than preset value, the operating carriers are switched to the target and are carried
Wave.
11. base station as claimed in claim 7, which is characterized in that the indicating module is used for：
Carrier wave is sent to user equipment measure instruction by scheduling information or RRC signaling.
12. the base station as described in claim 7-11 any one, which is characterized in that further include：
Second handover module, if being sky for the carrier wave intersection, the base station obtains the grade of service of the user equipment；
Judge whether the grade of service of the user equipment is more than predetermined level；
If it is, the selection target carrier wave from the first carrier set；
If it has not, the selection target carrier wave from second carrier set；
After determining target carrier, indicate that the operating carriers are switched to the target carrier by the user equipment.
13. a kind of communication system, which is characterized in that including base station and user equipment,
The base station is for when determining that operating carriers are disturbed, obtaining first carrier set；Wherein, the first carrier collection is combined into
Including base station side is not affected by strongly disturbing carrier wave；
Carrier wave, which is sent, to the user equipment measures instruction；
The second carrier set is determined according to measurement result, and the first carrier set and second carrier set are generated
Carrier wave intersection；Wherein, second carrier set is to be not affected by strongly disturbing carrier wave comprising the user equipment side；
It selects a carrier wave as target carrier from the carrier wave intersection, and the operating carriers is switched to the target and are carried
Wave；
The user equipment measures instruction for receiving the carrier wave；
Instruction is measured according to the carrier wave, generation measurement result is measured to the carrier wave detected, described in the return of the base station
Measurement result.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510639097.5A CN105228199B (en) | 2015-09-30 | 2015-09-30 | A kind of carrier switch method, base station and system based on unauthorized frequency range |
| PCT/CN2015/093541 WO2017054289A1 (en) | 2015-09-30 | 2015-10-31 | Unlicensed frequency band-based carrier switching method, base station, and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510639097.5A CN105228199B (en) | 2015-09-30 | 2015-09-30 | A kind of carrier switch method, base station and system based on unauthorized frequency range |
Publications (2)
| Publication Number | Publication Date |
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| CN105228199A CN105228199A (en) | 2016-01-06 |
| CN105228199B true CN105228199B (en) | 2018-09-14 |
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| CN201510639097.5A Active CN105228199B (en) | 2015-09-30 | 2015-09-30 | A kind of carrier switch method, base station and system based on unauthorized frequency range |
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| WO (1) | WO2017054289A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106993334A (en) * | 2016-01-21 | 2017-07-28 | 中兴通讯股份有限公司 | Data transmission method and device |
| US10070321B2 (en) * | 2016-06-01 | 2018-09-04 | Qualcomm Incorporated | Method and apparatuses for suspending traffic in a frequency band |
| CN106255120B (en) * | 2016-08-24 | 2019-06-28 | 重庆邮电大学 | A kind of dynamic spectrum selection method combined with heterogeneous network on/off algorithm |
| CN106550468B (en) * | 2016-11-07 | 2020-03-31 | 北京佰才邦技术有限公司 | Data transmission method and base station |
| CN107820719B (en) * | 2017-07-14 | 2020-11-03 | 深圳前海达闼云端智能科技有限公司 | Terminal switching method, device, base station and storage medium |
| WO2020029158A1 (en) * | 2018-08-09 | 2020-02-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for operations in different frequency bands within a radio device |
| CN110890953B (en) * | 2018-09-11 | 2022-07-19 | 华为技术有限公司 | Communication method and communication device using unlicensed frequency band |
| CN112640516B (en) * | 2018-10-11 | 2023-02-03 | 华为技术有限公司 | Wireless interference detection method and device |
| CN111669790A (en) * | 2019-03-08 | 2020-09-15 | 中国移动通信有限公司研究院 | Cell reselection or redirection method, device, network side equipment and terminal |
| CN114022983B (en) * | 2021-12-09 | 2023-08-11 | Oppo广东移动通信有限公司 | Frequency hopping channel selection method and device, communication method and device and communication system |
| CN117460064A (en) * | 2022-07-14 | 2024-01-26 | 华为技术有限公司 | Carrier switching method and device |
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| CN101547486A (en) * | 2008-03-24 | 2009-09-30 | 华为技术有限公司 | Method, system and device for processing switch |
| CN101754402A (en) * | 2008-12-01 | 2010-06-23 | 三星电子株式会社 | Method and system for finding vacant working frequency bands |
| CN101932045A (en) * | 2009-06-24 | 2010-12-29 | 中兴通讯股份有限公司 | Reporting method for measurement result in carrier aggregation and user equipment |
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| DK2437529T3 (en) * | 2010-10-01 | 2013-02-25 | Ericsson Telefon Ab L M | Technique for managing measurements for multiple subscriptions in a mobile terminal |
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- 2015-10-31 WO PCT/CN2015/093541 patent/WO2017054289A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101547486A (en) * | 2008-03-24 | 2009-09-30 | 华为技术有限公司 | Method, system and device for processing switch |
| CN101754402A (en) * | 2008-12-01 | 2010-06-23 | 三星电子株式会社 | Method and system for finding vacant working frequency bands |
| CN101932045A (en) * | 2009-06-24 | 2010-12-29 | 中兴通讯股份有限公司 | Reporting method for measurement result in carrier aggregation and user equipment |
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