CN107027129A

CN107027129A - A kind of terminal transfer method, base station, terminal and system

Info

Publication number: CN107027129A
Application number: CN201610064306.2A
Authority: CN
Inventors: 陈林; 张芳
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2016-01-29
Filing date: 2016-01-29
Publication date: 2017-08-08
Also published as: WO2017128814A1

Abstract

The invention discloses a kind of terminal transfer method, apparatus and system.This method, including：Base station obtains the measurement report message that terminal is sent, and the measurement report message carries report measurement results, and the report measurement results are included with the next item down or its combination：First measurement amount, the second measurement amount, the broad beam broadcast beam that the first measurement amount includes the terminal-pair adjacent base station is measured, the measurement amount of acquisition, the broad beam control beam that the second measurement amount includes the terminal-pair adjacent base station is measured, the measurement amount of acquisition, the adjacent base station includes the base station adjacent with the base station；The base station determines the purpose base station of the terminal transfer according to the report measurement results；The terminal is switched to the purpose base station by the base station according to the purpose base station.Realize and the purpose base station that beam, broad beam control beam to determine terminal switching is broadcasted according to broad beam, so as on the basis of being covered in purpose base station, determine purpose base station according to control channel, improve the quality of terminal received signals.

Description

A kind of terminal transfer method, base station, terminal and system

Technical field

The present invention relates to the communication technology, espespecially a kind of terminal transfer method, base station, terminal and system.

Background technology

With the development of the communication technology, the 5th third-generation mobile communication technology (5G) starts to apply in communication system In.

In 5G communication systems, using high frequency base station as 5G base stations, to realize handling capacity, peak value speed The growth of rate, and the decline postponed between terminal and terminal.

However, inventor has found during 5G communications are realized, when terminal moves away from serving BS When, because the loss that the high-frequency signal of Base Transmitter is propagated in atmosphere is larger, the letter for causing terminal to receive It is number second-rate.

The content of the invention

In order to solve the above-mentioned technical problem, the embodiments of the invention provide a kind of terminal transfer method, base Stand, terminal and system, the problem of signal quality to solve terminal reception is poor.

In order to reach the object of the invention, the embodiments of the invention provide a kind of terminal transfer method, including：

Base station obtains the measurement report message that terminal is sent, and the measurement report message carries reporting measurement knot Really, the report measurement results are included with the next item down or its combination：First measurement amount, the second measurement amount, The broad beam that the first measurement amount includes the terminal-pair adjacent base station broadcasts the survey that beam measures acquisition Amount amount, broad beam control beam of the second measurement amount including the terminal-pair adjacent base station, which is measured, to be obtained The measurement amount obtained, the adjacent base station includes the base station adjacent with the base station；

The base station determines the purpose base station of the terminal transfer according to the report measurement results；

The terminal is switched to the purpose base station by the base station according to the purpose base station.

Further, before the measurement report message that the base station obtains terminal transmission, in addition to：

The base station sends measurement control message to the terminal, and the measurement control message includes following Meaning one or its combination：Neighboring Cell List, measurement event, measurement reported event, measurement trigger event；

The Neighboring Cell List includes the mark of the adjacent base station；

The measurement event includes following any one or its combination：Broad beam to the adjacent base station is wide Beam is broadcast to measure, measure the broad beam of adjacent base station control beam；

It is described measurement control message so that the terminal meet it is described measurement trigger event under conditions of, it is right Each adjacent base station performs the measurement event in the Neighboring Cell List, and will perform the measurement event acquisition Measurement result in meet it is described measurement reported event the report measurement results be sent to the base station.

Further, the broad beam broadcast beam of the terminal-pair adjacent base station is measured, the measurement of acquisition Amount, including following any one or its combination：

The synchronizing signal of the broad beam broadcast beam of the terminal-pair adjacent base station carries out signal to noise ratio SINR surveys Amount, the measurement amount of acquisition；

The down-bound pilot frequency signal of the broad beam broadcast beam of the terminal-pair adjacent base station carries out signal to noise ratio SINR Measurement, the measurement amount of acquisition；

The synchronizing signal of the broad beam broadcast beam of the terminal-pair adjacent base station carries out signal strength measurement, obtains The measurement amount obtained；

The down-bound pilot frequency signal of the broad beam broadcast beam of the terminal-pair adjacent base station carries out signal intensity survey Amount, the measurement amount of acquisition.

Further, the broad beam control beam of the terminal-pair adjacent base station is measured, the measurement of acquisition Amount, including following any one or its combination：

Orthogonal frequency division multiplex OFDM symbol where the broad beam control beam of the terminal-pair adjacent base station enters Row SINR is measured, the measurement amount of acquisition；

Orthogonal frequency division multiplex OFDM symbol where the broad beam control beam of the terminal-pair adjacent base station enters Row signal strength measurement, the measurement amount of acquisition.

Further, the base station determines the purpose base station of the terminal transfer according to the measurement result Afterwards, in addition to：

The base station sends handover request message by S1 interfaces to core net, and the handover request message is extremely Include purpose Base Station Identification, purpose broad beam broadcast beam identification and purpose broad beam control beam identification less；Or Person,

The base station sends handover request message by X2 interface to the purpose base station, by the end End is switched to the purpose base station, and it is wide that the handover request message at least includes purpose Base Station Identification, purpose Beam broadcast beam identification and purpose broad beam control beam identification.

Further, the base station by X2 interface to the purpose base station send handover request message it Afterwards, or the base station by S1 interfaces to core net send handover request message after, in addition to：

The base station sends radio resource control RRC connection reallocation message, the RRC to the terminal Reallocation message is connected to notify the terminal to initiate the switching to the purpose base station, the RRC connections Reallocation message at least includes purpose Base Station Identification, purpose broad beam broadcast beam identification and the control of purpose broad beam Beam identification.

The embodiment of the present invention additionally provides a kind of terminal transfer method, including：

The measurement report message that the true directional base station of terminal is sent, the measurement report message carries reporting measurement As a result, the report measurement results are included with the next item down or its combination：First measurement amount, the second measurement amount, The broad beam broadcast beam that the first measurement amount includes the terminal-pair adjacent base station is measured, acquisition Measurement amount, the broad beam control Shu Jinhang that the second measurement amount includes the terminal-pair adjacent base station is surveyed Amount, the measurement amount of acquisition, the adjacent base station includes the base station adjacent with the base station；

The terminal sends the measurement report message to the base station.

Further, before the terminal sends the measurement report message to the base station, in addition to：

The terminal receives the measurement control message that the base station is sent, the measurement control message include with Lower any one or its combination：Neighboring Cell List, measurement event, measurement reported event, measurement trigger event； The Neighboring Cell List includes the mark of the adjacent base station；The measurement event include following any one or It is combined：The broad beam broadcast beam of the adjacent base station is measured, to the wide ripple of the adjacent base station Beam control beam is measured, and the measurement control message is so that the terminal is meeting the measurement triggering thing Under conditions of part, the measurement event is performed to each adjacent base station in the Neighboring Cell List, and institute will be performed The report measurement results hair of the measurement reported event is met in the measurement result for stating measurement event acquisition Give the base station；

The terminal is according to the measurement control message, it is determined that the broad beam to the adjacent base station is surveyed Amount；

The terminal obtains measurement result, the survey according to the measurement of the broad beam to the adjacent base station Measuring result includes base station measurement amount and adjacent base station measurement amount, the base station measurement amount include with the next item down or It is combined：Measurement amount, the base station broad beam of base station broad beam control beam broadcast the measurement amount of beam, the phase Adjacent base station measurement amount is included with the next item down or its combination：Adjacent base station broad beam controls measurement amount, the phase of beam Adjacent base station broad beam broadcasts the measurement amount of beam.

Further, the terminal obtains measurement knot according to the measurement of the broad beam to the adjacent base station After fruit, in addition to the next item down or its combination：

The adjacent base station measurement amount that the terminal determines to be higher than the threshold value of base station measurement flow control one is described Report measurement results；Or,

The terminal determines that the base station measurement amount is less than under conditions of the second threshold value, higher than the 3rd thresholding The adjacent base station measurement amount of value is the report measurement results.

Further, the broad beam control beam of the terminal-pair adjacent base station is measured, and obtains the end The measurement amount at end, including following any one or its combination：

Further, after the terminal sends measurement report message to base station, in addition to：

The terminal receives the radio resource control RRC connection reallocation message that the base station is sent, described RRC connection reallocation messages are to notify the terminal to initiate the switching to the purpose base station, the RRC Connecting reallocation message at least includes purpose Base Station Identification, purpose broad beam broadcast beam identification and purpose broad beam Control beam identification.

Further, the radio resource control RRC connection that the terminal reception base station is sent is matched somebody with somebody again to disappear After breath, in addition to：

The terminal receives the thin wave beam train request message that the purpose base station is sent, the thin wave beam instruction Practicing request message at least includes：Wave beam mark, the signal measurement parameter of thin wave beam；

The terminal carries out thin wave beam training according to the thin wave beam train request message, obtains thin wave beam instruction Practice result；

The thin wave beam that the terminal is sent to the purpose base station trains response message, the thin wave beam training Response message carries the thin wave beam training result.

The embodiment of the present invention additionally provides a kind of base station, including：

Acquisition module, the measurement report message for obtaining terminal transmission, the measurement report message is carried Report measurement results, the report measurement results are included with the next item down or its combination：First measurement amount, Two measurement amounts, the broad beam broadcast Shu Jinhang that the first measurement amount includes the terminal-pair adjacent base station is surveyed Amount, the measurement amount of acquisition, the broad beam that the second measurement amount includes the terminal-pair adjacent base station is controlled Beam is measured, the measurement amount of acquisition, and the adjacent base station includes the base station adjacent with the base station；

Determining module, for the base station according to the report measurement results, determines the terminal transfer Purpose base station；

Handover module, for according to the purpose base station, the terminal to be switched into the purpose base station.

Further, in addition to：Sending module；

The sending module, for sending measurement control message, the measurement control message to the terminal Including following any one or its combination：Neighboring Cell List, measurement event, measurement reported event, measurement are touched Hair event；The Neighboring Cell List includes the mark of the adjacent base station；The measurement event includes following Meaning one or its combination：The broad beam broadcast beam of the adjacent base station is measured, to the adjacent base The broad beam control beam stood is measured；The measurement control message is so that the terminal is meeting the survey Measure under conditions of trigger event, the measurement event is performed to each adjacent base station in the Neighboring Cell List, and It will perform to meet in the measurement result that the measurement event is obtained and report survey described in the measurement reported event Amount result is sent to the base station.

Further, including following any one or its combination：

The acquisition module, the synchronizing signal for broadcasting beam specifically for the broad beam to adjacent base station is believed Make an uproar than SINR measurements, the measurement amount of acquisition；

The acquisition module, the down-bound pilot frequency signal for broadcasting beam specifically for the broad beam to adjacent base station is entered Row signal to noise ratio SINR is measured, the measurement amount of acquisition；

The acquisition module, the synchronizing signal for broadcasting beam specifically for the broad beam to adjacent base station is believed Number ionization meter, the measurement amount of acquisition；

The acquisition module, the down-bound pilot frequency signal for broadcasting beam specifically for the broad beam to adjacent base station is entered Row signal strength measurement, the measurement amount of acquisition.

Further, including following any one or its combination：

The acquisition module, the orthogonal frequency division multiplexing where beam is controlled specifically for the broad beam to adjacent base station SINR measurements, the measurement amount of acquisition are carried out with OFDM symbol；

The acquisition module, the orthogonal frequency division multiplexing where beam is controlled specifically for the broad beam to adjacent base station Signal strength measurement, the measurement amount of acquisition are carried out with OFDM symbol.

Further, the sending module, is additionally operable to core net transmission handover request disappear by S1 interfaces Breath, the handover request message at least includes purpose Base Station Identification, purpose broad beam broadcast beam identification and mesh Broad beam control beam identification；Or, handover request is sent to the purpose base station by X2 interface and disappeared Breath, the purpose base station is switched to by the terminal, and the handover request message at least includes purpose base Station identifications, purpose broad beam broadcast beam identification and purpose broad beam control beam identification.

Further, the sending module, is additionally operable to send radio resource control RRC company to the terminal Reallocation message is connect, the RRC connection reallocation messages are to notify the terminal to initiate to the purpose base station Switching, the RRC connections reallocation message at least include purpose Base Station Identification, purpose broad beam broadcast beam Mark and purpose broad beam control beam identification.

The embodiment of the present invention additionally provides a kind of terminal, including：

Determining module, the measurement report message sent for true directional base station, the measurement report message is taken Band report measurement results, the report measurement results are included with the next item down or its combination：First measurement amount, Second measurement amount, the first measurement amount includes the broad beam broadcast Shu Jinhang of the terminal-pair adjacent base station Measurement, the measurement amount of acquisition, the second measurement amount includes the broad beam control of the terminal-pair adjacent base station Beam processed is measured, the measurement amount of acquisition, and the adjacent base station includes the base station adjacent with the base station；

Sending module, for sending the measurement report message to the base station.

Further, in addition to：Receiving module；

The receiving module, for receiving the measurement control message that the base station is sent, the measurement control Message includes following any one or its combination：Neighboring Cell List, measurement event, measurement reported event, survey Measure trigger event；The Neighboring Cell List includes the mark of the adjacent base station；The measurement event include with Lower any one or its combination：The broad beam broadcast beam of adjacent base station is measured, to adjacent base station Broad beam control beam measure, it is described measurement control message so that the terminal meet it is described measurement touch Under conditions of hair event, the measurement event is performed to each adjacent base station in the Neighboring Cell List, and will hold The report measurement results hair of measurement reported event is met in the measurement result that the row measurement event is obtained Give the base station；

The determining module, for according to the measurement control message, it is determined that to the width of the adjacent base station Wave beam is measured；

The receiving module, is additionally operable to the measurement according to the broad beam to the adjacent base station, is measured As a result, the measurement result includes base station measurement amount and adjacent base station measurement amount, the base station measurement amount bag Include with the next item down or its combination：Measurement amount, the base station broad beam of base station broad beam control beam broadcast the survey of beam Amount amount, the adjacent base station measurement amount is included with the next item down or its combination：Adjacent base station broad beam controls beam Measurement amount, adjacent base station broad beam broadcast beam measurement amount.

Further, in addition to the next item down or its combination：

Further, including following any one or its combination：

The receiving module, the synchronizing signal for specifically broadcasting the broad beam of adjacent base station beam carries out signal to noise ratio SINR is measured, the measurement amount of acquisition；

The receiving module, specifically believes the down-bound pilot frequency signal that the broad beam of adjacent base station broadcasts beam Make an uproar than SINR measurements, the measurement amount of acquisition；

The receiving module is specifically strong to the synchronizing signal progress signal of the broad beam broadcast beam of adjacent base station Degree measurement, the measurement amount of acquisition；

The receiving module, specifically believes the down-bound pilot frequency signal that the broad beam of adjacent base station broadcasts beam Number ionization meter, the measurement amount of acquisition.

Further, including following any one or its combination：

The receiving module, measures specifically for the broad beam control beam to adjacent base station, obtains institute State the measurement amount of terminal；

The receiving module, the orthogonal frequency division multiplexing where beam is controlled specifically for the broad beam to adjacent base station SINR measurements, the measurement amount of acquisition are carried out with OFDM symbol；

The receiving module, the orthogonal frequency division multiplexing where beam is controlled specifically for the broad beam to adjacent base station Signal strength measurement, the measurement amount of acquisition are carried out with OFDM symbol.

Further, the receiving module, is additionally operable to receive the radio resource control RRC that the base station is sent Reallocation message is connected, the RRC connection reallocation messages are to notify the terminal to initiate to the purpose base The switching stood, the RRC connections reallocation message at least includes purpose Base Station Identification, purpose broad beam and broadcasted Beam identification and purpose broad beam control beam identification.

Further, the receiving module, is additionally operable to receive the thin wave beam training that the purpose base station is sent Request message, the thin wave beam train request message at least includes：The wave beam mark of thin wave beam, signal are surveyed Measure parameter；Thin wave beam training is carried out according to the thin wave beam train request message, thin wave beam training knot is obtained Really；

The sending module, the thin wave beam for being additionally operable to send to the purpose base station trains response message, institute State thin wave beam training response message and carry the thin wave beam training result.

The embodiment of the present invention additionally provides a kind of terminal transfer system, including：As described above described in any one Terminal described in base station and as described above any one.

Compared with prior art, terminal transfer method provided in an embodiment of the present invention includes：Base station is obtained eventually The measurement report message sent is held, the measurement report message carries report measurement results, described to report survey Measuring result is included with the next item down or its combination：First measurement amount, the second measurement amount, the first measurement amount Broad beam broadcast beam beam including the terminal-pair adjacent base station measures the measurement amount of acquisition, described Second measurement amount includes the survey that the broad beam of the terminal-pair adjacent base station controls wave beam beam to measure acquisition Amount amount, the adjacent base station includes the base station adjacent with the base station；The base station reports survey according to Result is measured, the purpose base station of the terminal transfer is determined；The base station is according to the purpose base station, by institute State terminal and be switched to the purpose base station.Realize and beam, broad beam control beam determination are broadcasted according to broad beam The purpose base station of terminal switching, so that on the basis of being covered in purpose base station, mesh is determined according to control channel Base station, improve the quality of terminal received signals.

Other features and advantages of the present invention will be illustrated in the following description, also, partly from froming the perspective of Become apparent, or understood by implementing the present invention in bright book.The purpose of the present invention is excellent with other Point can be realized and obtained by specifically noted structure in specification, claims and accompanying drawing .

Brief description of the drawings

Accompanying drawing is used for providing further understanding technical solution of the present invention, and constitutes one of specification Point, it is used to explain technical scheme together with embodiments herein, does not constitute to the present invention The limitation of technical scheme.

Fig. 1 is the mixed-beam figuration Organization Chart of the embodiment of terminal transfer method one of the present invention；

Fig. 2 is the schematic flow sheet of the embodiment of terminal transfer method one of the present invention；

Fig. 3 is the multi-site networking wave cover schematic diagram of the embodiment of terminal transfer method one of the present invention；

Fig. 4 is the schematic flow sheet of the embodiment of terminal transfer method two of the present invention；

Fig. 5 is the schematic flow sheet of the embodiment of terminal transfer method three of the present invention；

Fig. 6 is the schematic flow sheet of the embodiment of terminal transfer method four of the present invention；

Fig. 7 is the structural representation of the embodiment of base station one of the present invention；

Fig. 8 is the structural representation of the embodiment of base station two of the present invention；

Fig. 9 is the structural representation of the embodiment of base station one of the present invention；

Figure 10 is the structural representation of the embodiment of base station one of the present invention.

Embodiment

For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with accompanying drawing Embodiments of the invention are described in detail.It should be noted that in the case where not conflicting, this Shen Please in embodiment and the feature in embodiment can mutually be combined.

Terminal transfer method provided in an embodiment of the present invention specifically can apply in 5G communication systems, terminal When being migrated between base station and base station.The terminal transfer method that the present embodiment is provided can specifically pass through Terminal transfer device is performed, and the terminal transfer device can be integrated in terminal, base station, or individually set Put, wherein, the terminal transfer device can be realized by the way of software and/or hardware.Below to this The terminal transfer method of embodiment offer, apparatus and system are described in detail.

Fig. 1 is the mixed-beam figuration Organization Chart of the embodiment of terminal transfer method one of the present invention；Such as Fig. 1 institutes Show, the mixed-beam figuration framework of N × M a kind of is as shown in figure 1, wherein have N number of transceiver, each Transceiver is connected to M antenna.ABF (Analog beams beam Forming) is the M to each transceiver Individual antenna is operated, and can be adjusted for the phase of each antenna.DBF (Digital beam beams Forming it is) that N number of transceiver is operated, different phase behaviour can be carried out for different frequencies Make.DAC (Digital Analog Converter) is that Mixer is signal in digital-analog convertor, figure Blender, PA (Power Amplifier) is the power amplifier for each antenna.Antenna 0, Antenna 1 ..., Antenna (M-1) represent the different antennae of a transceiver respectively, and Sector is Narrow beam.

Fig. 2 is the schematic flow sheet of the embodiment of terminal transfer method one of the present invention, and Fig. 3 is terminal of the present invention The multi-site networking wave cover schematic diagram of the embodiment of moving method one, as shown in figure 3, in networking scene Including base station 1 (BS1), base station 2 (BS2), terminal UE 1 (User Equipment) and terminal UE2.The transmitting of base station 1 broad beam broadcast beam 1 and broad beam broadcast beam 2；Included in broad beam broadcast beam 1 Two broad beams control wave beam：Broad beam is controlled in beam 1 and broad beam control beam 2, broad beam broadcast beam 2 Include two broad beam control wave beams：Broad beam controls beam 3 and broad beam control beam 4.Equally send out base station 2 Two broad beam broadcast beams are penetrated, and two broad beam control beams are included in each broadcast beam.The He of terminal UE 1 UE2 is in two base station BSs 1 (Base Station), the intersection of BS2 coverings.

As shown in Fig. 2 the executive agent of the present embodiment can be base station, the terminal that the present embodiment is provided is moved Shifting method, including：

Step 201, base station obtain the measurement report message that terminal is sent.

In the present embodiment, the measurement report message carries report measurement results, the reporting measurement knot Fruit is included with the next item down or its combination：First measurement amount, the second measurement amount, the first measurement amount include The broad beam broadcast beam of the terminal-pair adjacent base station is measured, the measurement amount of acquisition, and described second surveys The broad beam control beam that amount amount includes the terminal-pair adjacent base station is measured, the measurement amount of acquisition, institute Stating adjacent base station includes the base station adjacent with the base station.

For example, the broad beam broadcast beam of the terminal-pair adjacent base station is measured, the measurement of acquisition Amount, including following any one or its combination：

The synchronizing signal of the broad beam broadcast beam of the terminal-pair adjacent base station carries out signal to noise ratio SINR measurements, The measurement amount of acquisition；

For example, the broad beam control beam of the terminal-pair adjacent base station is measured, and obtains the end The measurement amount at end, including following any one or its combination：

Step 202, the base station determine the purpose base of the terminal transfer according to the report measurement results Stand.

For the base station according to the report measurement results, the purpose base station bag of the terminal transfer is determined Include at least three kinds of implementations：

The first implementation, base station can be carried out according to the first measurement amount according to order from big to small Sequence, determines to be purpose base station by the corresponding base station of maximum.

Second of implementation, base station can be carried out according to the second measurement amount according to order from big to small Sequence, determines to be purpose base station by the corresponding base station of maximum.

The third implementation, base station can be carried out according to the first measurement amount according to order from big to small Sequence, also, according to the second measurement amount, be ranked up according to order from big to small, by the first measurement Amount base station corresponding with the maximum that the second measurement amount is weighted summation determines to be purpose base station.

The terminal is switched to the purpose base station by step 203, the base station according to the purpose base station.

In the present embodiment, base station obtains the measurement report message that terminal is sent, the measurement report message Report measurement results are carried, the report measurement results are included with the next item down or its combination：First measurement amount, Second measurement amount, the first measurement amount includes the broad beam broadcast Shu Jinhang of the terminal-pair adjacent base station Measurement, the measurement amount of acquisition, the second measurement amount includes the broad beam control of the terminal-pair adjacent base station Beam processed is measured, the measurement amount of acquisition, and the adjacent base station includes the base station adjacent with the base station； The base station determines the purpose base station of the terminal transfer according to the report measurement results；The base station According to the purpose base station, the terminal is switched to the purpose base station.Realize wide according to broad beam Broadcast beam, broad beam control beam and determine the purpose base station of terminal switching, so that the basis covered in purpose base station On, purpose base station is determined according to control channel, the quality of terminal received signals is improved.

On the basis of above-described embodiment, before the measurement report message that the base station obtains terminal transmission, Also include：

The base station sends measurement control message to the terminal, and the measurement control message includes following Meaning one or its combination：Neighboring Cell List, measurement event, measurement reported event, measurement trigger event；Institute Stating Neighboring Cell List includes the mark of the adjacent base station；The measurement event include following any one or its Combination：The broad beam broadcast beam of the adjacent base station is measured, to the broad beam of the adjacent base station Control beam is measured；The measurement control message is so that the terminal is meeting the measurement trigger event Under conditions of, the measurement event is performed to each adjacent base station in the Neighboring Cell List, and will perform described The report measurement results that the measurement reported event is met in the measurement result that measurement event is obtained are sent To the base station.

Further, on the basis of above-described embodiment, base station is according to the measurement result, it is determined that described After the purpose base station of terminal transfer, it can also include：

The base station sends handover request message, the handoff request message by S1 interfaces to core net Include purpose Base Station Identification, purpose broad beam broadcast beam identification and purpose broad beam control beam identification；Or,

The base station sends handover request message by X2 interface to the purpose base station, so that will be described Terminal is switched to the purpose base station, and the handover request message at least includes purpose Base Station Identification, purpose Broad beam broadcasts beam identification and purpose broad beam control beam identification.

Optionally, on the basis of above-described embodiment, the base station is by X2 interface to the purpose base After transmission handover request message of standing, or the base station sends handover request to core net by S1 interfaces and disappeared After breath, it can also include：

Fig. 4 is the schematic flow sheet of the embodiment of terminal transfer method two of the present invention, as shown in figure 4, this reality The executive agent for applying example can be terminal, the terminal transfer method that the present invention is provided, including：

The measurement report message that the true directional base station of step 401, terminal is sent.

For example, the measurement result includes base station measurement amount and adjacent base station measurement amount, the base station Measurement amount is included with the next item down or its combination：Measurement amount, the base station broad beam of base station broad beam control beam are wide The measurement amount of beam is broadcast, the adjacent base station measurement amount is included with the next item down or its combination：The wide ripple of adjacent base station Measurement amount, the adjacent base station broad beam of beam control beam broadcast the measurement amount of beam.

Step 402, terminal send measurement report message to base station.

In the present embodiment, the true directional base station of terminal sends measurement report message, the measurement report message Report measurement results are carried, the report measurement results are included with the next item down or its combination：First measurement amount, Second measurement amount, the first measurement amount includes the broad beam broadcast Shu Jinhang of the terminal-pair adjacent base station Measurement, the measurement amount of acquisition, the second measurement amount includes the broad beam control of the terminal-pair adjacent base station Beam processed is measured, the measurement amount of acquisition, and the adjacent base station includes the base station adjacent with the base station； Terminal sends measurement report message to base station.Realize true according to broad beam broadcast beam, broad beam control beam The purpose base station of terminal switching is determined, so as on the basis of being covered in purpose base station, be determined according to control channel Purpose base station, improves the quality of terminal received signals.

On the basis of above-described embodiment, before the terminal sends measurement report message to base station, also Including：

The terminal receives the measurement control message that the base station is sent, the measurement control message include with Lower any one or its combination：Neighboring Cell List, measurement event, measurement reported event, measurement trigger event； The Neighboring Cell List includes the mark of the adjacent base station；The measurement event include following any one or It is combined：The broad beam broadcast beam of the adjacent base station is measured, to the wide ripple of the adjacent base station Beam control beam is measured；The measurement control message is so that the terminal is meeting the measurement triggering thing Under conditions of part, the measurement event is performed to each adjacent base station in the Neighboring Cell List, and institute will be performed The report measurement results hair of the measurement reported event is met in the measurement result for stating measurement event acquisition Give the base station.

Specifically, after the measurement control message that the terminal reception base station is sent, terminal-pair is currently connected When the serving cell of base station and the adjacent area of adjacent base station service are measured, circulated and swept in the way of broad beam Reception beam direction is retouched, optimal send-receive wave beam pair is found out for each cell, that is to say, that every Individual cell optimum send-receive wave beam is to the measurement result of the result of orientation measurement as the cell.

Optionally, on the basis of above-described embodiment, the terminal is according to the adjacent base station After the measurement of broad beam, acquisition measurement result, in addition to the next item down or its combination：

For example, span (- 30..30) dB of the first threshold value, the span of the second thresholding (- 30..30) dB, span (- 30..30) dB of the 3rd thresholding.

Optionally, on the basis of above-described embodiment, the broad beam broadcast beam of the terminal-pair adjacent base station Measure, the measurement amount of acquisition, including following any one or its combination：

Optionally, on the basis of above-described embodiment, the broad beam control beam of the terminal-pair adjacent base station Measure, obtain the measurement amount of the terminal, including following any one or its combination：

Optionally, on the basis of above-described embodiment, the terminal to base station send measurement report message it Afterwards, in addition to：

Optionally, on the basis of above-described embodiment, the terminal receives the wireless money that the base station is sent After source control RRC connection reallocation messages, in addition to：

The terminal carries out thin wave beam training according to the thin wave beam train request message, obtains thin wave beam instruction Practice result；Specific thin wave beam training process includes：Base station side scan round transmitted wave in different directions Beam, UE sides are received with different beam direction scan round, are measured different transmitting Tx- and are received Rx wave beams To Signal to Interference plus Noise Ratio SINR, choose the maximum transmitting Tx- of SINR and receive Rx wave beams to being used as thin wave beam to instruct Experienced output.

In the present embodiment, all measurements are based on optimal transmitting-wave beam to carrying out, so as to effectively overcome milli The big influence to measurement accuracy of metric wave propagation loss.

Fig. 5 is the schematic flow sheet of the embodiment of terminal transfer method three of the present invention, as shown in figure 5, this hair The terminal transfer method of bright offer, including：

Step 501, source base station send handover request message by X2 interface to purpose base station.

Specifically, the handoff request message is included：What the former base station of source eNodeB distribution was distributed for UE X2 application protocol identifications symbol Old eNB UE X2AP ID, purpose physical district ID, purpose broad beam are wide Broadcast beam ID, purpose broad beam control beam ID, the S1 Application Protocol identifier MME of core net distribution UE S1AP ID, carrying (E-RABs) list for needing foundation and Qos class parameters etc.；

Step S502, purpose base station eNodeB send handoff request acknowledgment message to source base station eNodeB.

Specifically, handoff request acknowledgment message includes：Former base station is the X2 application protocol marks that UE is distributed It is the X2 application protocol identifications symbol New that UE is distributed to know symbol Old eNB UE X2AP ID, target BS ENB UE X2AP ID, carrying (E-RABs) list for allowing foundation；

Step S503, source eNodeB send RRC connection reallocation messages to terminal, to notify terminal to send out Play the switching to purpose eNodeB.

In the present embodiment, included in RRC connections reallocation message：The wide ripple of purpose physical district ID, purpose Beam broadcast beam ID, purpose broad beam control beam ID, carrier frequency information of purpose physical area etc..

Step S504, source eNodeB send the up-downgoing of bearer service (E-RABs) to purpose eNodeB PDCP (Packet Data Convergence Protocol) sequence number.

Step S505, terminal send RRC (Radio Resource Control) to purpose eNodeB and connect weight With completion message, purpose eNodeB UE are notified to have been switched to destination.

Step S506, purpose eNodeB are sent to core net MME (Mobile Management Entity) Path handover request message.

In the present embodiment, handover request message in path includes：Source eNodeB eNB UE S1AP ID, Source MME UE S1AP ID and the E-RAB lists for needing switching, notify MME service switchover numbers According to path of continuing.

Step S507, core net MME to purpose eNodeB transmitting path handoff request acknowledgment messages, The switching of purpose eNodeB paths is notified to complete；

After core net MME completes path switching, step 507. is performed

Step S508, purpose eNodeB send UE context release messages to source eNodeB, notify source Side discharges UE related context information.

In the present embodiment, UE contexts release message includes：Old eNB UE X2AP ID and New eNB UE X2AP ID；

Step S509, purpose eNodeB scanning send thin wave beam and instructed to the UE thin wave beams for sending data Practice request message.

Thin wave beam train request message includes：The wave beam ID of thin wave beam, synchronizing signal (or descending pilot frequency) Measurement amount SINR or signal intensity etc..

Step S510, terminal send the thin wave beam of data to purpose eNodeB and train response message.

Specifically, terminal scan round receives beam direction, measurement amount SINR (or signal intensity) is chosen Maximum send-receive wave beam to the wave beam pair as subsequent transmission business datum, wherein, the thin ripple of the data Shu Xunlian response messages are carried in maximum send-receive wave beam pair.

Step S511, terminal and purpose eNodeB initiate the transmitting procedure of data service.

In the present embodiment, broadcast broad beam beam, broad beam control beam and measure, and according to measurement amount Judgement is switched over, can effectively evade in prior art, such as LTE switch decision only in accordance with Target cell Covering and ignore the influence that control channel is brought.

Fig. 6 is the schematic flow sheet of the embodiment of terminal transfer method four of the present invention, as shown in fig. 6, this hair The terminal transfer method of bright offer, including：

Step 601, base station eNodeB send the first handover request by S1 interfaces to core net MME Message.

In the present embodiment, the first handover request message can include：MME UE S1AP ID、 ENB UE S1AP ID, switching type, switch reasons, purpose Base Station Identification, purpose physical area mark Know, purpose broad beam broadcast beam identification, purpose broad beam control beam identification；

Step S602, core net MME send the second handover request message to purpose base station.

In the present embodiment, the second handover request information includes：MME UE S1AP ID, switching type, Switch reasons and the RAB E-RABs lists to be set up and transparent transmission base station are transmitted through the purpose thing come Manage the information such as cell, associated beam.

Step S603, purpose base station receive the second switching response message that core net MME is sent.

In the present embodiment, second switching response message includes：MME UE S1AP ID、eNB UE The information such as E-RAB ID lists that S1AP ID and allowing are received；

Specifically, purpose base station is service switchover distributes resource in destination.

Step S604, MME sends switching command message to base station.

In the present embodiment, included in switching command message：MME UE S1AP ID、eNB UE S1AP The purpose that business datum is forwarded during ID, switching type, the carrying list E-RABs of switching and switching Side address.

Step S605, base station send RRC connection reallocation messages to terminal.

The RRC connection reallocation messages are to notify terminal to initiate to switch to purpose base station；The RRC connections Reallocation message message includes：Purpose physical district ID, purpose broad beam broadcast beam ID, purpose broad beam Control beam ID, purpose broad beam control beam ID, carrier frequency information of purpose physical area etc..

Step S606, base station send base station state migration message to MME.

In the present embodiment, the base station state migration message includes：MME UE S1AP ID、eNB UE The information such as S1AP ID and PDCP sequence numbers；

Step S607, MME passes through MME state transition message informing purpose eNodeB PDCP sequence numbers Etc. information；

Step S608, terminal send RRC connections to purpose eNodeB and match somebody with somebody completion message again, for notifying Purpose eNodeB UE have been switched to destination.

Step S609, purpose eNodeB send handoff notification message to MME, notify MME destinations UE has been successfully accessed.

Step S610, MME sends UE context release commands to base station, notifies source eNodeB releases UE context-related information.

After the completion of step S611, base station release resource, send the release completion of UE contexts to MME and disappear Breath；

Step S612, purpose eNodeB send thin wave beam train request message to UE.

Specifically, purpose eNodeB scannings send thin wave beam and send thin wave beam train request message to UE, The thin wave beam train request message includes：The wave beam ID of thin wave beam, synchronizing signal (or descending pilot frequency) Measurement amount SINR or signal intensity etc.；

Step S613, terminal send the thin wave beam of data to purpose eNodeB and train response message.

Step S614, terminal and purpose eNodeB initiate the transmitting procedure of data service.

Fig. 7 is the structural representation of the embodiment of base station one of the present invention.As shown in fig. 7, the base station, including： Acquisition module 71, determining module 72, handover module 73.Wherein,

Acquisition module 71, the measurement report message for obtaining terminal transmission, the measurement report message is taken Band report measurement results, the report measurement results are included with the next item down or its combination：First measurement amount, Second measurement amount, the first measurement amount includes the broad beam broadcast Shu Jinhang of the terminal-pair adjacent base station Measurement, the measurement amount of acquisition, the second measurement amount includes the broad beam control of the terminal-pair adjacent base station Beam processed is measured, the measurement amount of acquisition, and the adjacent base station includes the base station adjacent with the base station；

Determining module 72, for the base station according to the report measurement results, determines the terminal transfer Purpose base station；

Handover module 73, for according to the purpose base station, the terminal to be switched into the purpose base station.

Fig. 8 is the structural representation of the embodiment of base station two of the present invention.As shown in figure 8, the base station, may be used also With including：Sending module 74；

The sending module 74, for sending measurement control message to the terminal, the measurement control disappears Breath includes following any one or its combination：Neighboring Cell List, measurement event, measurement reported event, measurement Trigger event；The Neighboring Cell List includes the mark of the adjacent base station；The measurement event includes following Any one or its combination：The broad beam broadcast beam of adjacent base station is measured, to the width of adjacent base station Wave beam control beam is measured；The measurement control message is so that the terminal is meeting the measurement triggering Under conditions of event, the measurement event is performed to each adjacent base station in the Neighboring Cell List, and will perform The report measurement results of the measurement reported event are met in the measurement result that the measurement event is obtained It is sent to the base station.

Further, on the basis of above-described embodiment, following any one or its combination can be included：

The acquisition module 71, the synchronizing signal for broadcasting beam specifically for the broad beam to adjacent base station is carried out Signal to noise ratio SINR is measured, the measurement amount of acquisition；

The acquisition module 71, the down-bound pilot frequency signal of beam is broadcasted specifically for the broad beam to adjacent base station Carry out signal to noise ratio SINR measurements, the measurement amount of acquisition；

The acquisition module 71, the synchronizing signal for broadcasting beam specifically for the broad beam to adjacent base station is carried out Signal strength measurement, the measurement amount of acquisition；

The acquisition module 71, the down-bound pilot frequency signal of beam is broadcasted specifically for the broad beam to adjacent base station Carry out signal strength measurement, the measurement amount of acquisition.

Further, on the basis of above-described embodiment, including following any one or its combination：

The acquisition module 71, the orthogonal frequency where beam is controlled specifically for the broad beam to adjacent base station It is multiplexed OFDM symbol and carries out SINR measurements, the measurement amount of acquisition；

The acquisition module 71, the orthogonal frequency where beam is controlled specifically for the broad beam to adjacent base station It is multiplexed OFDM symbol and carries out signal strength measurement, the measurement amount of acquisition.

Further, on the basis of above-described embodiment, the sending module 74 is additionally operable to by S1 Interface sends handover request message to core net, and the handover request message at least includes purpose base station and marked Know, purpose broad beam broadcast beam identification and purpose broad beam control beam identification；Or, by X2 interface to The purpose base station sends handover request message, and the terminal is switched into the purpose base station, described Handover request message at least includes purpose Base Station Identification, purpose broad beam broadcast beam identification and purpose broad beam Control beam identification.

Further, on the basis of above-described embodiment, the sending module 74 was additionally operable to the end End sends radio resource control RRC connection reallocation message, and the RRC connections reallocation message is to notify The terminal initiates the switching to the purpose base station, and the RRC connections reallocation message at least includes purpose Base Station Identification, purpose broad beam broadcast beam identification and purpose broad beam control beam identification.

In the present embodiment, realize and determine that terminal switches according to broad beam broadcast beam, broad beam control beam Purpose base station so that purpose base station cover on the basis of, purpose base station is determined according to control channel, Improve the quality of terminal received signals.

It should be noted that determining module and the implementation procedure of handover module can terminal processor Middle to realize, the implementation procedure of sending module can be realized in the transmitter of terminal, the execution of acquisition module Process can be realized in the receiver of terminal.

Fig. 9 is the structural representation of the embodiment of base station one of the present invention.As shown in figure 9, the terminal, including： Determining module 91 and sending module 92.Wherein,

Determining module 91, de measurement report messages are sent for true directional base station, and the measurement report disappears Breath carries report measurement results, and the report measurement results are included with the next item down or its combination：First measurement Amount, the second measurement amount, the first measurement amount include the broad beam broadcast beam of the terminal-pair adjacent base station Measure, the measurement amount of acquisition, the second measurement amount includes the wide ripple of the terminal-pair adjacent base station Beam control beam is measured, the measurement amount of acquisition, and the adjacent base station includes the base adjacent with the base station Stand；

Sending module 92, for sending the measurement report message to the base station.

Figure 10 is the structural representation of the embodiment of base station one of the present invention.As shown in Figure 10, the terminal, also It can include：Receiving module 93；

The receiving module 93, for receiving the measurement control message that the base station is sent, the measurement control Message processed includes following any one or its combination：Neighboring Cell List, measurement event, measurement reported event, Measure trigger event；The Neighboring Cell List includes the mark of the adjacent base station；The measurement event includes Following any one or its combination：The broad beam broadcast beam of adjacent base station is measured, to adjacent base station Broad beam control beam measure, it is described measurement control message so that the terminal is meeting the measurement Under conditions of trigger event, the measurement event is performed to each adjacent base station in the Neighboring Cell List, and will Perform the report measurement results that measurement reported event is met in the measurement result that the measurement event is obtained It is sent to the base station；

The determining module 91, for according to the measurement control message, it is determined that to the adjacent base station Broad beam is measured；

The receiving module 93, is additionally operable to the measurement according to the broad beam to the adjacent base station, is surveyed Result is measured, the measurement result includes base station measurement amount and adjacent base station measurement amount, the base station measurement amount Including with the next item down or its combination：Measurement amount, the base station broad beam of base station broad beam control beam broadcast beam Measurement amount, the adjacent base station measurement amount is included with the next item down or its combination：Adjacent base station broad beam is controlled Measurement amount, the adjacent base station broad beam of beam broadcast the measurement amount of beam.

Further, on the basis of above-described embodiment, in addition to the next item down or its combination：

The determining module 91 is adjacent higher than the threshold value of base station measurement flow control one specifically for determining Base station measurement amount is the report measurement results；Or,

The determining module 91, specifically for determining that the base station measurement amount is less than the condition of the second threshold value Under, the adjacent base station measurement amount higher than the 3rd threshold value is the report measurement results.

The receiving module 93, the synchronizing signal for specifically broadcasting the broad beam of adjacent base station beam carries out noise Than SINR measurements, the measurement amount of acquisition；

The receiving module 93, the down-bound pilot frequency signal for specifically broadcasting the broad beam of adjacent base station beam is carried out Signal to noise ratio SINR is measured, the measurement amount of acquisition；

The receiving module 93, the synchronizing signal for specifically broadcasting the broad beam of adjacent base station beam carries out signal Ionization meter, the measurement amount of acquisition；

The receiving module 93, the down-bound pilot frequency signal for specifically broadcasting the broad beam of adjacent base station beam is carried out Signal strength measurement, the measurement amount of acquisition.

The receiving module 93, measures specifically for the broad beam control beam to adjacent base station, obtains The measurement amount of the terminal；

The receiving module 93, the orthogonal frequency where beam is controlled specifically for the broad beam to adjacent base station It is multiplexed OFDM symbol and carries out SINR measurements, the measurement amount of acquisition；

The receiving module 93, the orthogonal frequency where beam is controlled specifically for the broad beam to adjacent base station It is multiplexed OFDM symbol and carries out signal strength measurement, the measurement amount of acquisition.

Further, on the basis of above-described embodiment, the receiving module 93 is additionally operable to receive described The radio resource control RRC connection reallocation message that base station is sent, the RRC connections reallocation message is used to The terminal is notified to initiate the switching to the purpose base station, the RRC connections reallocation message at least includes Purpose Base Station Identification, purpose broad beam broadcast beam identification and purpose broad beam control beam identification.

Further, on the basis of above-described embodiment, the receiving module 93 is additionally operable to receive described The thin wave beam train request message that purpose base station is sent, the thin wave beam train request message at least includes： Wave beam mark, the signal measurement parameter of thin wave beam；Thin ripple is carried out according to the thin wave beam train request message Shu Xunlian, obtains thin wave beam training result；

The sending module 92, the thin wave beam for being additionally operable to send to the purpose base station trains response message, The thin wave beam training response message carries the thin wave beam training result.

It should be noted that the implementation procedure of determining module can be realized in the processor of terminal, send The implementation procedure of module can realize that the implementation procedure of receiving module can be at end in the transmitter of terminal Realized in the receiver at end.

The present embodiment also provides a kind of terminal transfer system, including：As described in above-mentioned Fig. 7-Fig. 8 is any Base station and the terminal as described in above-mentioned Fig. 9-Figure 10 is any.

Although disclosed herein embodiment as above, described content is only to readily appreciate the present invention And the embodiment used, it is not limited to the present invention.Technology people in any art of the present invention Member, do not depart from disclosed herein spirit and scope on the premise of, can be in the form of implementation and thin Any modification and change, but the scope of patent protection of the present invention are carried out on section, still must be with appended right The scope that claim is defined is defined.

Claims

1. a kind of terminal transfer method, it is characterised in that including：

2. according to the method described in claim 1, it is characterised in that obtain terminal in the base station and send Measurement report message before, in addition to：

The Neighboring Cell List includes the mark of the adjacent base station；

3. method according to claim 1 or 2, it is characterised in that the terminal-pair adjacent base station Broad beam broadcast beam measure, the measurement amount of acquisition, including following any one or its combination：

4. the method according to any one of claims 1 to 3, it is characterised in that the terminal-pair phase The broad beam control beam of adjacent base station is measured, the measurement amount of acquisition, including following any one or its group Close：

5. the method according to any one of Claims 1-4, it is characterised in that the base station according to After the measurement result, the purpose base station for determining the terminal transfer, in addition to：

6. method according to claim 5, it is characterised in that the base station by X2 interface to The purpose base station is sent after handover request message, or the base station is sent by S1 interfaces to core net After handover request message, in addition to：

7. a kind of terminal transfer method, it is characterised in that including：

The terminal sends the measurement report message to the base station.

8. method according to claim 7, it is characterised in that sent out in the terminal to the base station Before sending the measurement report message, in addition to：

9. method according to claim 8, it is characterised in that the terminal is according to described adjacent After the measurement of the broad beam of base station, acquisition measurement result, in addition to the next item down or its combination：

10. the method according to any one of claim 7 to 9, it is characterised in that the terminal-pair Adjacent base station broad beam broadcast beam measure, the measurement amount of acquisition, including following any one or its Combination：

11. the method according to any one of claim 7 to 10, it is characterised in that the terminal-pair The broad beam control beam of adjacent base station is measured, and obtains the measurement amount of the terminal, including following any One or its combination：

12. the method according to any one of claim 7 to 11, it is characterised in that the terminal to Base station is sent after measurement report message, in addition to：

13. method according to claim 12, it is characterised in that the terminal receives the base station After the radio resource control RRC connection reallocation message of transmission, in addition to：

14. a kind of base station, it is characterised in that including：

15. base station according to claim 14, it is characterised in that also include：Sending module；

16. the base station according to claims 14 or 15, it is characterised in that including following any one Item or its combination：

17. the base station according to any one of claim 14 to 16, it is characterised in that including following Any one or its combination：

18. the base station according to any one of claim 14 to 17, it is characterised in that the transmission Module, is additionally operable to send handover request message to core net by S1 interfaces, the handover request message is extremely Include purpose Base Station Identification, purpose broad beam broadcast beam identification and purpose broad beam control beam identification less；Or Person, sends handover request message to the purpose base station by X2 interface, the terminal is switched into institute Purpose base station is stated, the handover request message at least includes purpose Base Station Identification, purpose broad beam broadcast beam Mark and purpose broad beam control beam identification.

19. base station according to claim 18, it is characterised in that the sending module, is additionally operable to Radio resource control RRC connection reallocation message, the RRC connections reallocation message are sent to the terminal To notify the terminal to initiate the switching to the purpose base station, the RRC connections reallocation message is at least Including purpose Base Station Identification, purpose broad beam broadcast beam identification and purpose broad beam control beam identification.

20. a kind of terminal, it is characterised in that including：

Sending module, for sending the measurement report message to the base station.

21. terminal according to claim 20, it is characterised in that also include：Receiving module；

22. terminal according to claim 21, it is characterised in that also including with the next item down or its group Close：

23. the terminal according to any one of claim 20 to 22, it is characterised in that including following Any one or its combination：

24. the terminal according to any one of claim 20 to 23, it is characterised in that including following Any one or its combination：

25. the terminal according to any one of claim 20 to 24, it is characterised in that the reception Module, is additionally operable to receive the radio resource control RRC connection reallocation message that the base station is sent, described RRC connection reallocation messages are to notify the terminal to initiate the switching to the purpose base station, the RRC Connecting reallocation message at least includes purpose Base Station Identification, purpose broad beam broadcast beam identification and purpose broad beam Control beam identification.

26. terminal according to claim 25, it is characterised in that the receiving module, is additionally operable to The thin wave beam train request message that the purpose base station is sent is received, the thin wave beam train request message is extremely Include less：Wave beam mark, the signal measurement parameter of thin wave beam；According to the thin wave beam train request message Thin wave beam training is carried out, thin wave beam training result is obtained；

27. a kind of terminal transfer system, it is characterised in that including：Such as any one of claim 14-19 Described base station and the terminal as described in claim any one of 20-26.