CN105228199A - A kind of carrier switch method based on unauthorized frequency range, base station and system - Google Patents
A kind of carrier switch method based on unauthorized frequency range, base station and system Download PDFInfo
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- CN105228199A CN105228199A CN201510639097.5A CN201510639097A CN105228199A CN 105228199 A CN105228199 A CN 105228199A CN 201510639097 A CN201510639097 A CN 201510639097A CN 105228199 A CN105228199 A CN 105228199A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000005259 measurement Methods 0.000 claims abstract description 100
- 239000000969 carrier Substances 0.000 claims abstract description 97
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 11
- 230000011664 signaling Effects 0.000 claims description 9
- 238000001228 spectrum Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 230000003252 repetitive effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 230000007774 longterm Effects 0.000 description 1
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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
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- 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
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- 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
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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
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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
- 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 method based on unauthorized frequency range, comprising: when base station determines that operating carriers is disturbed, obtain first carrier set; Wherein, first carrier set comprises base station side and is not subject to strongly disturbing carrier wave; To subscriber equipment transmission carrier wave measurement instruction, carrier wave measurement instruction is used to indicate subscriber equipment and carries out carrier wave measurement generation measurement result to the carrier wave detected, and to return measurement result; Determine the second carrier set according to measurement result, and the generation carrier wave that first carrier set and the second carrier set conjunction occured simultaneously occurs simultaneously; Wherein, the second carrier set comprises user equipment side and is not subject to strongly disturbing carrier wave; From carrier wave occurs simultaneously, select a carrier wave as target carrier, and operating carriers is switched to target carrier.The embodiment of the invention also discloses a kind of base station and communication system.Adopt the present invention, service quality and the business continuance of business can be ensured after carrier switch.
Description
Technical field
The present invention relates to wireless communication field, particularly relate to a kind of carrier switch method of unauthorized frequency range, base station and system.
Background technology
Along with the sharply increase of message volume, 3GPP (3rdGenerationPartnershipProject, third generation partner program are called for short 3GPP) authorizes 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 current mainly Wi-Fi of these unlicensed spectrums (Wireless-Fidelity, Wireless Fidelity are called for short Wi-Fi), bluetooth, radar, the systems such as medical treatment are in use.Carrier aggregation function allows and LTE (LongTermEvolution, Long Term Evolution are called for short LTE) is deployed in unauthorized frequency range and becomes possibility.3GPP proposes the concept of LAA (LicensedAssistedAccess, auxiliary mandate is accessed, and is called for short LAA), authorizes the help of frequency spectrum to use unlicensed spectrum by LTE.In view of exempting to authorize existence in frequency range to comprise other access device such as Wi-Fi, bluetooth, one is used for avoiding radar mechanism, and DFS (DynamicFrequencySelection, dynamic spectrum is selected, and is called for short DFS) is suggested.
Owing to there being good orthogonality to ensure that interference level in LTE network, so the downstream transmission of base station and user need not consider whether have the base station of same operator or user transmitting around.And if LTE is deployed in unauthorized frequency range, consider the limit priority of radar system, DFS or dynamic carrier selection algorithm must be performed.And in traditional LTE system, do not have these two kinds of mechanism to avoid interference.In order to better at unauthorized band operation, LTE needs this two kinds of mechanism, the defect place of existing technologies that Here it is.
Simultaneously, traditional dynamic carrier selection algorithm, after being all base station measurement, user measures from candidate's frequency range/carrier wave that base station measurement produces again, select suitable carrier wave and carry out frequency hopping, the shortcoming of such existence is, does not really consider Consumer's Experience, because base station is different from user present position, the carrier wave that base station is selected is from user side, may disturb comparatively large, follow base station together frequency hopping may reduce Consumer's Experience, even cannot ensure service quality.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, provides a kind of carrier switch method based on unauthorized frequency range, base station and communication system.The problem of the QoS decline that in prior art, carrier switch causes can be solved.
In order to solve the problems of the technologies described above, embodiments provide a kind of carrier switch method based on unauthorized frequency range, comprising:
When base station determines that operating carriers is disturbed, obtain first carrier set; Wherein, described first carrier set comprises base station side and is not subject to strongly disturbing carrier wave;
Described base station is to subscriber equipment transmission carrier wave measurement instruction, and described carrier wave measurement instruction is used to indicate described subscriber equipment and carries out carrier wave measurement generation measurement result to the carrier wave detected, and returns described measurement result to described base station;
The second carrier set is determined according to described measurement result in described base station, and the generation carrier wave that described first carrier set and described second carrier set conjunction occured simultaneously occurs simultaneously; Wherein, described second carrier set comprises described user equipment side and is not subject to strongly disturbing carrier wave;
Described base station selects a carrier wave as target carrier from described carrier wave occurs simultaneously, and described operating carriers is switched to described target carrier.
In conjunction with first aspect, in the implementation that the first is possible, when described base station determines that operating carriers receives interference, comprise according to not being subject to the set of strongly disturbing carrier wave generation first carrier:
When the RSSI of described operating carriers is greater than the first default threshold value in described base station measurement preset duration, determine that described operating carriers is subject to strong jamming;
Other carrier waves except described operating carriers detected are determined in described base station, and measure the RSSI of each carrier wave in other carrier waves described respectively in preset duration;
When the RSSI measured is not more than described first threshold value, determine that corresponding carrier wave is not subject to strong jamming;
Described first carrier set is generated according to not being subject to strongly disturbing carrier wave.
In conjunction with the first possible implementation of first aspect, in the implementation that the second is possible, according to described measurement result, described base station determines that the second carrier set comprises:
Described base station obtain in described measurement result carry described in the RSSI of each carrier wave in the carrier wave that detects;
When RSSI is less than the second default threshold value, determine that corresponding carrier wave is not subject to strong jamming;
Described second carrier set is generated according to not being subject to strongly disturbing carrier wave in the carrier wave that described subscriber equipment detects.
In conjunction with first aspect, in the implementation that the third is possible, describedly described target carrier is switched to comprise described operating carriers:
When the unappropriated duration of described target carrier exceedes preset value, described operating carriers is switched to described target carrier.
In conjunction with first aspect, in the 4th kind of possible implementation, described base station sends carrier wave measurement instruction to subscriber equipment and comprises:
Described base station sends carrier wave by schedule information or RRC signaling to subscriber equipment and measures instruction.
In conjunction with first aspect to any one in the 4th kind of possible implementation of first aspect, in the 5th kind of possible implementation, also comprise:
If described carrier wave occurs simultaneously for empty, described base station obtains the grade of service of described subscriber equipment;
Judge whether the grade of service of described subscriber equipment is greater than predetermined level;
If yes, described base station select target carrier wave from described second carrier set;
If NO, described base station select target carrier wave from described first carrier set;
After determining target carrier, described base station indicates described subscriber equipment that described operating carriers is switched to described target carrier.
Embodiment of the present invention second aspect provides a kind of base station, comprising:
Determination module, during for determining that operating carriers is disturbed, obtains first carrier set; Wherein, described first carrier set comprises base station side and is not subject to strongly disturbing carrier wave;
Indicating module, for indicating to the measurement of subscriber equipment transmission carrier wave, described carrier wave measurement instruction is used to indicate described subscriber equipment and carries out carrier wave measurement generation measurement result to the carrier wave detected, and returns described measurement result to described base station;
Generation module, for determining the second carrier set according to described measurement result, and the generation carrier wave that described first carrier set and described second carrier set conjunction occured simultaneously occurs simultaneously; Wherein, described second carrier set comprises described user equipment side and is not subject to strongly disturbing carrier wave;
First handover module, selects a carrier wave as target carrier, and described operating carriers is switched to described target carrier in occuring simultaneously from described carrier wave.
In conjunction with second aspect, in the implementation that the first is possible, described determination module specifically comprises:
First determining unit, when the RSSI for measuring described operating carriers in preset duration is greater than the first default threshold value, determines that described operating carriers is subject to strong jamming;
Measuring unit, for determining other carrier waves except described operating carriers detected, and measures the RSSI of each carrier wave in other carrier waves described respectively in preset duration;
Second determining unit, during for being not more than described first threshold value as the RSSI measured, determines that corresponding carrier wave is not subject to strong jamming;
Generation unit, for generating described first carrier set according to not being subject to strongly disturbing carrier wave.
In conjunction with second aspect, in the implementation that the second is possible, described generation module is used for:
Obtain in described measurement result the RSSI of each carrier wave in the carrier wave detected described in carrying;
When RSSI is less than the second default threshold value, determine that corresponding carrier wave is not subject to strong jamming;
Described second carrier set is generated according to not being subject to strongly disturbing carrier wave in the carrier wave that described subscriber equipment detects.
In conjunction with second aspect, in the implementation that the third is possible, described described first handover module to be used for:
When the unappropriated duration of described target carrier exceedes preset value, described operating carriers is switched to described target carrier.
In conjunction with second aspect, in the 4th kind of possible implementation, described indicating module is used for:
Send carrier wave by schedule information or RRC signaling to subscriber equipment and measure instruction.
In conjunction with second aspect to any one in the 4th kind of possible implementation of second aspect, in the 5th kind of possible implementation, also comprise:
Second handover module, if occured simultaneously for empty for described carrier wave, described base station obtains the grade of service of described subscriber equipment;
Judge whether the grade of service of described subscriber equipment is greater than predetermined level;
If yes, select target carrier wave from described second carrier set;
If NO, select target carrier wave from described first carrier set;
After determining target carrier, indicate described subscriber equipment that described operating carriers is switched to described target carrier.
The embodiment of the present invention third aspect provides a kind of communication system, comprises base station and subscriber equipment,
When described base station is used for determining that operating carriers is disturbed, obtain first carrier set; Wherein, described first carrier set is that base station side is not subject to strongly disturbing carrier wave;
Send carrier wave to described subscriber equipment and measure instruction;
Determine the second carrier set according to described measurement result, and described first carrier set and described second carrier set are generated carrier wave common factor; Wherein, described second carrier set is that described user equipment side is not subject to strongly disturbing carrier wave
From described carrier wave occurs simultaneously, select a carrier wave as target carrier, and described operating carriers is switched to described target carrier;
Described subscriber equipment measures instruction for receiving described carrier wave;
Measure instruction according to described carrier wave and strategy generating measurement result is carried out to the carrier wave detected, return described measurement result to described base station.
Implement the embodiment of the present invention, there is following beneficial effect:
Base station is when determining that operating carriers is subject to strong jamming, obtain base station side and be not subject to the carrier wave that strongly disturbing carrier wave and end side be not subject to overlapping in strongly disturbing carrier wave, from the carrier wave overlapped, select target carrier wave switches, the carrier wave of such selection meets the transmission requirement of uplink and downlink simultaneously, thus improves the service quality of subscriber equipment.
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 a kind of carrier switch method based on unauthorized frequency range that the embodiment of the present invention provides;
Fig. 2 is another schematic flow sheet of a kind of carrier switch method based on unauthorized frequency range that the embodiment of the present invention provides;
Fig. 3 is the interaction diagrams of a kind of communication system that the embodiment of the present invention provides;
Fig. 4 is the structural representation of a kind of base station that the embodiment of the present invention provides;
Fig. 5 is another structural representation of a kind of base station that the embodiment of the present invention provides.
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.
See Fig. 1, be the schematic flow sheet of a kind of carrier switch method based on unauthorized frequency range that the embodiment of the present invention provides, in embodiments of the present invention, described method comprises:
When S101, base station determine that operating carriers is disturbed, obtain first carrier set; Wherein, described first carrier set comprises base station side and is not subject to strongly disturbing carrier wave.
Concrete, operating carriers is the carrier wave of unauthorized frequency range, after base station obtains the right to use of the carrier wave of unauthorized frequency range by the mode of competition, the carrier wave of this unauthorized frequency range becomes operating carriers, and the user terminal in base station and affiliated subdistrict uses operating carriers service data transmission or signaling data.Base station is in the process using operating carriers transmission data, find that operating carriers is subject to strong jamming, when cannot normally use, base station obtains first carrier set, comprise base station side in first carrier set and be not subject to strongly disturbing carrier wave, the method that base station obtains first carrier set can be: spendable multiple carrier wave is determined in base station, measure in multiple carrier wave and measure except each carrier wave of operating carriers performs carrier wave, obtain the RSSI (ReceivedSignalStrengthIndication of each carrier wave, received signal strength indicator, be called for short RSSI), if RSSI is less than default threshold value, show that carrier wave is not subject to strong jamming, if RSSI is more than or equal to default threshold value, show that carrier wave is subject to strong jamming.Wherein, the threshold value preset can be arranged as required, and the present invention is not restricted, and in LTE communication system, the representative value of the threshold value preset is-62dBm.Wherein, carrier wave can be determined according to bandwidth sum frequency.
S102, described base station indicate to the measurement of subscriber equipment transmission carrier wave, and described carrier wave measurement instruction is used to indicate the measurement of described subscriber equipment and carries out carrier wave measurement generation measurement result to the carrier wave detected, and returns described measurement result to described base station.
Concrete, subscriber equipment is positioned at the community belonging to base station, and subscriber equipment is connected state, base station sends carrier wave to subscriber equipment and measures instruction, subscriber equipment reception carrier measures instruction, carrier wave measurement is carried out to the carrier wave detected, wherein, RSSI, RSRQ or RSRQ etc. that carrier wave measurement comprises the carrier wave detected measure, the service quality of the carrier wave detected to make base station evaluates user equipment side, after completing carrier wave measurement, the carrier wave that subscriber equipment detects to base station return measurement result and informing base station self.
Wherein, carrier wave is measured instruction and or the carrier wave of frequency range can be authorized to transmit by the carrier wave of unauthorized frequency range, and the present invention is not restricted.
The second carrier set is determined according to described measurement result in S103, described base station, and described first carrier set and described second carrier set are generated carrier wave common factor; Wherein, described second carrier set is that described user equipment side is not subject to strongly disturbing carrier wave.
Concrete, the measurement result that base station returns according to subscriber equipment, determine that user equipment side is not subject to strongly disturbing carrier wave, the second carrier set is generated according to not being subject to strongly disturbing carrier wave, first carrier set and the second carrier set are gone to occur simultaneously and generate carrier wave common factor, carrier wave comprises the carrier wave being simultaneously arranged in first carrier set and the second carrier set in occuring simultaneously
S104, described base station select a carrier wave as target carrier from described carrier wave occurs simultaneously, and described operating carriers is switched to described target carrier.
Wherein, the broadcast frequency hopping instruction of target carrier mark is carried in base station in community, and after user terminal receives frequency hopping instruction, current operating carriers is switched to target carrier by the time according to frequency hopping instruction instruction.
Implement embodiments of the invention, base station is when determining that operating carriers is subject to strong jamming, obtain base station side and be not subject to the carrier wave that strongly disturbing carrier wave and end side be not subject to overlapping in strongly disturbing carrier wave, from the carrier wave overlapped, select target carrier wave switches, the carrier wave of such selection meets the transmission requirement of uplink and downlink simultaneously, thus improves the service quality of subscriber equipment.
See Fig. 2, be a kind of carrier switch method based on unauthorized frequency range that the embodiment of the present invention provides, in embodiments of the present invention, described method comprises:
When the RSSI of described operating carriers is greater than the first default threshold value in S201, base station measurement preset duration, determine that described operating carriers is subject to strong jamming.
Concrete, operating carriers is the carrier wave of unauthorized frequency range, the carrier wave that the subscriber equipment of base station and affiliated subdistrict is current is operating carriers, base station obtains the right to use of operating carriers by the mode of competition, by operating carriers service data transmission or signaling data, wherein, the operating carriers that unauthorized frequency range is competed in base station can adopt the mode of CCA to obtain other modes, and the present invention is not restricted.Base station use unauthorized frequency range operating carriers transmission data process in find operating carriers be subject to strong jamming and cause cannot normal transmission data time, base station needs to carry out carrier switch.Base station determines that operating carriers is subject to strongly disturbing method and can is: the RSSI of base station in the duration preset on repetitive measurement operating carriers, using repetitive measurement to RSSI average as the RSSI of operating carriers, the RSSI calculated and the first default threshold value are compared, if value under being greater than first, show that operating carriers is subject to strong jamming.
Other carrier waves except described operating carriers detected are determined in S202, described base station, and measure the RSSI of each carrier wave in other carrier waves described respectively in preset duration.
Concrete, unauthorized frequency range is divided into multiple carrier wave by the frequency range of unauthorized frequency range according to the rules and the bandwidth of operating carriers in advance, base station can obtain the right to use of any one carrier wave in multiple carrier waves of division by the mode of competition, operating carriers is one in multiple carrier waves of division, base station sounds to base station be divide multiple carrier waves.The RSSI of each carrier wave in other carrier waves, when determining that operating carriers is subject to strong jamming, is measured respectively in base station in the duration preset.
Illustrate, base station sounds to carrier wave be carrier wave 1, carrier wave 2, carrier wave 3 and carrier wave 4, wherein carrier wave 1 is current operating carriers, base station is when determining that carrier wave 1 is subject to strong jamming, measure carrier wave 2, carrier wave 3 and the RSSI of carrier wave 4 in preset duration except carrier wave 1, the mode of measurement can be: average after taking multiple measurements in preset duration.
S203, when the RSSI measured is not more than described first threshold value, determine that corresponding carrier wave is not subject to strong jamming.
Concrete, when RSSI is not more than the first threshold value, for base station, the carrier wave that RSSI is corresponding is not subject to strong jamming, can be used for normal transmission data.
S204, basis are not subject to strongly disturbing carrier wave and generate first carrier set.Wherein, base station can carry out ascending order arrangement or descending according to RSSI to the carrier wave in first carrier set.
Such as, the RSSI of carrier wave 2, carrier wave 3 and carrier wave 4 is all not more than the first threshold value, and to first carrier set is added carrier wave 2, carrier wave 3 and carrier wave 4 in base station.Wherein, each carrier wave can be represented by frequency and bandwidth.
S205, described base station are to subscriber equipment transmission carrier wave measurement instruction, and described carrier wave measurement instruction is used to indicate described subscriber equipment and carries out carrier wave measurement generation measurement result to the carrier wave detected, and returns described measurement result to described base station.
Concrete, carrier wave is measured instruction and can be carried by the schedule information of RRC signaling or UE-specificsearchspace or other message carry, and the present invention is not restricted.Carrier wave measurement instruction is used to indicate subscriber equipment and carries out carrier wave measurement to the carrier wave detected, such as: measure the RSSI of each carrier wave in preset duration, the method of measurement of RSSI is identical with the method for measurement of base station side, the carrier subscriber equipment detected is at the carrier wave of the operable unauthorized frequency range of current location, after measurement completes, subscriber equipment is to base station return measurement result.Such as: each self-corresponding frequency of the carrier wave detected, bandwidth sum RSSI.
S206, described base station obtain in described measurement result carry described in the RSSI of each carrier wave in the carrier wave that detects.
Concrete, base station is according to measurement result determination the subscriber equipment carrier wave detected and each self-corresponding RSSI of carrier wave detected.
S207, when RSSI is less than the second default threshold value, determine that corresponding carrier wave is not subject to strong jamming.
Concrete, base station filters out RSSI in each carrier wave that subscriber equipment detects and is less than the carrier wave of the second default threshold value, and RSSI is less than the second threshold value, shows not to be subject to strong jamming to for subscriber equipment carrier wave.
Be not subject to strongly disturbing carrier wave in S208, the carrier wave that detects according to described subscriber equipment and generate the second carrier set.Wherein, base station can carry out ascending order or descending according to RSSI to the carrier wave in the second carrier set.
Such as, the carrier wave that subscriber equipment detects is carrier wave 2, carrier wave 3 and carrier wave 4, and wherein base station filters out and is not subject to strongly disturbing carrier wave is carrier wave 3 and carrier wave 4, and carrier wave 3 and carrier wave 4 add in the second carrier set by base station.
S209, by described first carrier set and described second carrier set conjunction occur simultaneously generate carrier wave occur simultaneously.
Concrete, the carrier wave during carrier wave occurs simultaneously is carrier wave total in first carrier set and the second carrier set.Such as, first carrier set comprise carrier wave 2, carrier wave 3 and carrier wave 4, second carrier set comprise carrier wave 3 and carrier wave 4, then the carrier wave that base station generates after occuring simultaneously to first carrier set and the second carrier set conjunction occurs simultaneously and comprises carrier wave 3 and carrier wave 4.
Whether S210, described carrier wave occur simultaneously is empty.
Concrete, carrier wave occurs simultaneously for empty expression is without any carrier wave, and namely first carrier set and the second carrier set do not have common carrier wave, if carrier wave occurs simultaneously for empty, performs S212; Otherwise, perform S211.
S211, described base station select a carrier wave as target carrier from described carrier wave occurs simultaneously, and described operating carriers is switched to described target carrier.
Wherein, the carrier wave that base station can select RSSI minimum from carrier wave occurs simultaneously or any one carrier wave are as target carrier, and in community, the frequency of target carrier and the frequency hopping instruction of bandwidth are carried in broadcast, together operating carriers are switched to target carrier with the moment that equipment for indicating user is being specified.
Optionally, base station is after determining target carrier, and detection target carrier is, after the duration of idle condition exceedes preset value, current operating carriers is switched to target carrier.
S212, obtain the grade of service of described subscriber equipment.
Wherein, the grade of service represents the priority of business, and the priority of the grade of service higher expression business is higher, and the grade of service of such as speech business is higher than data service.
Whether S213, the described grade of service are greater than predetermined level.
Concrete, judge whether the grade of service of subscriber equipment is greater than predetermined level, if yes, perform S214, otherwise perform S215.
S214, described base station select target carrier wave from described second carrier set.
S215, described base station select target carrier wave from described first carrier set.
S216, described base station indicate described subscriber equipment that described operating carriers is switched to target carrier.
Wherein, base station, after determining target carrier, continues to judge whether the base station that target carrier is corresponding and base station corresponding to operating carriers belong to same operator, if YES, base station equipment for indicating user together frequency hopping in target carrier.
Implement embodiments of the invention, base station is when determining that operating carriers is subject to strong jamming, obtain base station side and be not subject to the carrier wave that strongly disturbing carrier wave and end side be not subject to overlapping in strongly disturbing carrier wave, from the carrier wave overlapped, select target carrier wave switches, the carrier wave of such selection meets the transmission requirement of uplink and downlink simultaneously, thus improves the service quality of subscriber equipment.
See Fig. 3, be the mutual schematic diagram of a kind of communication system that the embodiment of the present invention provides, in embodiments of the present invention, described communication system comprises base station and subscriber equipment, and wherein, the interaction flow between base station and subscriber equipment is as follows:
S301, base station determine that operating carriers is subject to strong jamming, carry out carrier wave measurement to other carrier waves except operating carriers.
Wherein, RSSI in preset duration on repetitive measurement operating carriers, the RSSI of repetitive measurement is removed the RSSI as operating carriers after mean value, when the RSSI calculated is greater than the first default threshold value, determine that operating carriers is subject to strong jamming, obtain multiple carrier waves that base station is supported, carrier wave measurement is carried out to other carrier waves in multiple carrier wave except 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 the first default threshold value, generate first carrier set according to the carrier wave after screening.
Wherein, first carrier set comprises the carrier wave that RSSI is less than the first threshold value.
S303, base station send carrier wave to subscriber equipment and measure instruction.
The carrier wave indicating and determine to detect measured by S304, subscriber equipment according to carrier wave.
The RSSI of the carrier wave detected is determined in S305, subscriber equipment measurement.
S306, subscriber equipment return the mark of the carrier wave detected and RSSI corresponding to each carrier wave to base station.
S307, base station filter out the carrier wave that RSSI in the carrier wave detected is less than the second default threshold value, generate the second carrier set according to the carrier wave after screening.
Go to occur simultaneously to first carrier set and the second carrier set and generate carrier set in S308, base station.
A target carrier is selected in S309, base station from carrier wave occurs simultaneously.
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 condition reaches preset value.
S311, base station send carrier switch instruction to subscriber equipment.
S312, base station and subscriber equipment are switched to target carrier from operating carriers.
Implement embodiments of the invention, base station is when determining that operating carriers is subject to strong jamming, obtain base station side and be not subject to the carrier wave that strongly disturbing carrier wave and end side be not subject to overlapping in strongly disturbing carrier wave, from the carrier wave overlapped, select target carrier wave switches, the carrier wave of such selection meets the transmission requirement of uplink and downlink simultaneously, thus improves the service quality of subscriber equipment.
See Fig. 4, be the structural representation of a kind of base station that the embodiment of the present invention provides, in embodiments of the present invention, described base station comprises determination module 401, indicating module 402, generation module 403 and the first handover module 404.
Determination module 401, during for determining that operating carriers is disturbed, obtains first carrier set; Wherein, described first carrier set comprises base station side and is not subject to strongly disturbing carrier wave.
Indicating module 402, for indicating to the measurement of subscriber equipment transmission carrier wave, described carrier wave measurement instruction is used to indicate described subscriber equipment and carries out carrier wave measurement generation measurement result to the carrier wave detected, and returns described measurement result to described base station.
Generation module 403, for determining the second carrier set according to described measurement result, and the generation carrier wave that described first carrier set and described second carrier set conjunction occured simultaneously occurs simultaneously; Wherein, described second carrier set comprises described user equipment side and is not subject to strongly disturbing carrier wave.
First handover module, selects a carrier wave as target carrier, and described operating carriers is switched to described target carrier in occuring simultaneously from described carrier wave.
The embodiment of the present invention and embodiment of the method one are based on same design, and its technique effect brought is also identical, and detailed process please refer to the description of embodiment of the method one, repeats no more herein.
Further, in some embodiments of the invention, described determination module specifically comprises:
First determining unit, when the RSSI for measuring described operating carriers in preset duration is greater than the first default threshold value, determines that described operating carriers is subject to strong jamming;
Measuring unit, for determining other carrier waves except described operating carriers detected, and measures the RSSI of each carrier wave in other carrier waves described respectively in preset duration;
Second determining unit, during for being not more than described first threshold value as the RSSI measured, determines that corresponding carrier wave is not subject to strong jamming;
Generation unit, for generating described first carrier set according to not being subject to strongly disturbing carrier wave.
Optionally, described generation module is used for:
Obtain in described measurement result the RSSI of each carrier wave in the carrier wave detected described in carrying;
When RSSI is less than the second default threshold value, determine that corresponding carrier wave is not subject to strong jamming;
Described second carrier set is generated according to not being subject to strongly disturbing carrier wave in the carrier wave that described subscriber equipment detects.
Optionally, described described first handover module to be used for:
When the unappropriated duration of described target carrier exceedes preset value, described operating carriers is switched to described target carrier.
Optionally, described indicating module is used for:
Send carrier wave by schedule information or RRC signaling to subscriber equipment and measure instruction.
Optionally, described base station also comprises:
Second handover module, if occured simultaneously for empty for described carrier wave, described base station obtains the grade of service of described subscriber equipment;
Judge whether the grade of service of described subscriber equipment is greater than predetermined level;
If yes, described base station select target carrier wave from described second carrier set;
If NO, described base station select target carrier wave from described first carrier set;
After determining target carrier, described base station indicates described subscriber equipment that described operating carriers is switched to described target carrier.
The embodiment of the present invention and embodiment of the method two are based on same design, and its technique effect brought is also identical, and detailed process can refer to the description of embodiment of the method two, repeats no more herein.
See Fig. 5, for another structural representation of a kind of base station of the embodiment of the present invention, in this enforcement, base station is for realizing the carrier switch method based on unauthorized frequency range described in Fig. 1, base station comprises processor 501, memory 502 and communication interface 503, the quantity of the processor 501 in base station can be one or more, and Fig. 5 is for a processor.In some embodiments of the present invention, processor 501, memory 502 are connected, for bus connection in Fig. 5 by bus or other modes with communication interface 503.
Wherein, in memory 502, store batch processing code, and processor 501 is for calling the program code stored in memory 502, for performing following operation:
When determining that operating carriers is disturbed, obtain first carrier set; Wherein, described first carrier set comprises base station side and is not subject to strongly disturbing carrier wave;
To subscriber equipment transmission carrier wave measurement instruction, described carrier wave measurement instruction is used to indicate described subscriber equipment and carries out carrier wave measurement generation measurement result to the carrier wave detected, and returns described measurement result to described base station;
Determine the second carrier set according to described measurement result, and the generation carrier wave that described first carrier set and described second carrier set conjunction occured simultaneously occurs simultaneously; Wherein, described second carrier set comprises described user equipment side and is not subject to strongly disturbing carrier wave
From described carrier wave occurs simultaneously, select a carrier wave as target carrier, and described operating carriers is switched to described target carrier.
In some embodiments of the invention, processor 501 performs described when determining that operating carriers receives interference, generates first carrier set comprise according to not being subject to strongly disturbing carrier wave:
When the RSSI of described operating carriers is greater than the first default threshold value in measurement preset duration, determine that described operating carriers is subject to strong jamming;
Determine other carrier waves except described operating carriers detected, and measure the RSSI of each carrier wave in other carrier waves described respectively in preset duration;
When the RSSI measured is not more than described first threshold value, determine that corresponding carrier wave is not subject to strong jamming;
Described first carrier set is generated according to not being subject to strongly disturbing carrier wave.
In some embodiments of the invention, processor 501 performs and describedly determines that the second carrier set comprises according to described measurement result:
Described base station obtain in described measurement result carry described in the RSSI of each carrier wave in the carrier wave that detects;
When RSSI is less than the second default threshold value, determine that corresponding carrier wave is not subject to strong jamming;
Described second carrier set is generated according to not being subject to strongly disturbing carrier wave in the carrier wave that described subscriber equipment detects.
In some embodiments of the invention, processor 501 performs and describedly switches to described target carrier to comprise described operating carriers:
When the unappropriated duration of described target carrier exceedes preset value, described operating carriers is switched to described target carrier.
In some embodiments of the invention, processor 501 perform described to subscriber equipment send carrier wave measure instruction comprise:
Send carrier wave by schedule information or RRC signaling to subscriber equipment and measure instruction.
In some embodiments of the invention, processor 501 is also for performing:
If described carrier wave occurs simultaneously for empty, described base station obtains the grade of service of described subscriber equipment;
Judge whether the grade of service of described subscriber equipment is greater than predetermined level;
If yes, described base station select target carrier wave from described second carrier set;
If NO, described base station select target carrier wave from described first carrier set;
After determining target carrier, described base station indicates described subscriber equipment that described operating carriers is switched to described target carrier.
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, ROM) or random store-memory body (RandomAccessMemory, RAM) etc.
Above disclosedly be only a kind of preferred embodiment of the present invention, certainly the interest field of the present invention can not be limited with this, one of ordinary skill in the art will appreciate that all or part of flow process realizing above-described embodiment, and according to the equivalent variations that the claims in the present invention are done, still belong to the scope that invention is contained.
Claims (13)
1., based on a carrier switch method for unauthorized frequency range, it is characterized in that, comprising:
When base station determines that operating carriers is subject to strong jamming, obtain first carrier set; Wherein, described first carrier set comprises base station side and is not subject to strongly disturbing carrier wave;
Described base station is to subscriber equipment transmission carrier wave measurement instruction, and described carrier wave measurement instruction is used to indicate described subscriber equipment and carries out carrier wave measurement generation measurement result to the carrier wave detected, and returns described measurement result to described base station;
The second carrier set is determined according to described measurement result in described base station, and the generation carrier wave that described first carrier set and described second carrier set conjunction occured simultaneously occurs simultaneously; Wherein, described second carrier set comprises described user equipment side and is not subject to strongly disturbing carrier wave;
Described base station selects a carrier wave as target carrier from described carrier wave occurs simultaneously, and described operating carriers is switched to described target carrier.
2. the method for claim 1, is characterized in that, when described base station determines that operating carriers is subject to strong jamming, comprises according to not being subject to the set of strongly disturbing carrier wave generation first carrier:
When the RSSI of described operating carriers is greater than the first default threshold value in described base station measurement preset duration, determine that described operating carriers is subject to strong jamming;
Other carrier waves except described operating carriers detected are determined in described base station, and carry out repeatedly rssi measurement to each carrier wave in other carrier waves described respectively in preset duration;
When the RSSI measured is not more than described first threshold value, determine that corresponding carrier wave is not subject to strong jamming;
Described first carrier set is generated according to not being subject to strongly disturbing carrier wave.
3. method as claimed in claim 2, it is characterized in that, according to described measurement result, described base station determines that the second carrier set comprises:
Described base station obtain in described measurement result carry described in the RSSI of each carrier wave in the carrier wave that detects;
When RSSI is less than the second default threshold value, determine that corresponding carrier wave is not subject to strong jamming;
Described second carrier set is generated according to not being subject to strongly disturbing carrier wave in the carrier wave that described subscriber equipment detects.
4. the method for claim 1, is characterized in that, describedly switches to described target carrier to comprise described operating carriers:
When the unappropriated duration of described target carrier exceedes preset value, described operating carriers is switched to described target carrier.
5. the method for claim 1, is characterized in that, described base station sends carrier wave measurement instruction to subscriber equipment and comprises:
Described base station sends carrier wave by schedule information or RRC signaling to subscriber equipment and measures instruction.
6. the method as described in claim 1-5 any one, is characterized in that, also comprises:
If described carrier wave occurs simultaneously for empty, described base station obtains the grade of service of described subscriber equipment;
Judge whether the grade of service of described subscriber equipment is greater than predetermined level;
If yes, described base station select target carrier wave from described second carrier set;
If NO, described base station select target carrier wave from described first carrier set;
After determining target carrier, described base station indicates described subscriber equipment that described operating carriers is switched to described target carrier.
7. a base station, is characterized in that, comprising:
Determination module, during for determining that operating carriers is disturbed, obtains first carrier set; Wherein, described first carrier set comprises base station side and is not subject to strongly disturbing carrier wave;
Indicating module, for indicating to the measurement of subscriber equipment transmission carrier wave, described carrier wave measurement instruction is used to indicate described subscriber equipment and carries out carrier wave measurement generation measurement result to the carrier wave detected, and returns described measurement result to described base station;
Generation module, for determining the second carrier set according to described measurement result, and the generation carrier wave that described first carrier set and described second carrier set conjunction occured simultaneously occurs simultaneously; Wherein, described second carrier set comprises described user equipment side and is not subject to strongly disturbing carrier wave;
First handover module, selects a carrier wave as target carrier, and described operating carriers is switched to described target carrier in occuring simultaneously from described carrier wave.
8. base station as claimed in claim 7, it is characterized in that, described determination module specifically comprises:
First determining unit, when the RSSI for measuring described operating carriers in preset duration is greater than the first default threshold value, determines that described operating carriers is subject to strong jamming;
Measuring unit, for determining other carrier waves except described operating carriers detected, and measures the RSSI of each carrier wave in other carrier waves described respectively in preset duration;
Second determining unit, during for being not more than described first threshold value as the RSSI measured, determines that corresponding carrier wave is not subject to strong jamming;
Generation unit, for generating described first carrier set according to not being subject to strongly disturbing carrier wave.
9. base station as claimed in claim 7, it is characterized in that, described generation module is used for:
Obtain in described measurement result the RSSI of each carrier wave in the carrier wave detected described in carrying;
When RSSI is less than the second default threshold value, determine that corresponding carrier wave is not subject to strong jamming;
Described second carrier set is generated according to not being subject to strongly disturbing carrier wave in the carrier wave that described subscriber equipment detects.
10. base station as claimed in claim 7, is characterized in that, is describedly used for by described first handover module:
When the unappropriated duration of described target carrier exceedes preset value, described operating carriers is switched to described target carrier.
11. base stations as claimed in claim 7, it is characterized in that, described indicating module is used for:
Send carrier wave by schedule information or RRC signaling to subscriber equipment and measure instruction.
12. base stations as described in claim 7-11 any one, is characterized in that, also comprise:
Second handover module, if occured simultaneously for empty for described carrier wave, described base station obtains the grade of service of described subscriber equipment;
Judge whether the grade of service of described subscriber equipment is greater than predetermined level;
If yes, select target carrier wave from described first carrier set;
If NO, select target carrier wave from described second carrier set;
After determining target carrier, indicate described subscriber equipment that described operating carriers is switched to described target carrier.
13. 1 kinds of communication systems, is characterized in that, comprise base station and subscriber equipment,
When described base station is used for determining that operating carriers is disturbed, obtain first carrier set; Wherein, described first carrier set is that base station side is not subject to strongly disturbing carrier wave;
Send carrier wave to described subscriber equipment and measure instruction;
Determine the second carrier set according to described measurement result, and described first carrier set and described second carrier set are generated carrier wave common factor; Wherein, described second carrier set is that described user equipment side is not subject to strongly disturbing carrier wave
From described carrier wave occurs simultaneously, select a carrier wave as target carrier, and described operating carriers is switched to described target carrier;
Described subscriber equipment measures instruction for receiving described carrier wave;
Measure instruction according to described carrier wave and strategy generating measurement result is carried out to the carrier wave detected, return described measurement result to described base station.
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 |
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| CN105228199A true CN105228199A (en) | 2016-01-06 |
| CN105228199B CN105228199B (en) | 2018-09-14 |
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Also Published As
| Publication number | Publication date |
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| WO2017054289A1 (en) | 2017-04-06 |
| CN105228199B (en) | 2018-09-14 |
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