CN109327868A

CN109327868A - Cell measuring method and device, cell switching method and device

Info

Publication number: CN109327868A
Application number: CN201710640300.XA
Authority: CN
Inventors: 张英杰; 钱辰; 喻斌
Original assignee: Beijing Samsung Telecommunications Technology Research Co Ltd; Samsung Electronics Co Ltd
Current assignee: Beijing Samsung Telecommunications Technology Research Co Ltd; Samsung Electronics Co Ltd
Priority date: 2017-07-31
Filing date: 2017-07-31
Publication date: 2019-02-12
Anticipated expiration: 2037-07-31
Also published as: CN109327868B

Abstract

The present invention relates to wireless communication technology fields, provide cell measuring method and device, cell switching method and device, this is applied in the cell measuring method of terminal, the following steps are included: measuring respectively according to initial measurement configuration information and the measurement of terminal dedicated channel status information at least one of pilot tone CSI-RS resource and synchronization signal block to the adjacent cell in terminal affiliated subdistrict and cell list, measurement result is obtained；The measurement result is sent to the base station, so that the base station determines whether to switch the current affiliated subdistrict of the terminal according to the measurement result.The present invention improves the efficiency and performance of cell measurement and handoff procedure.

Description

Cell measuring method and device, cell switching method and device

Technical field

The present invention relates to wireless communication technology fields, specifically, the present invention relates to a kind of cell measuring method and dresses It sets, cell switching method and device.

Background technique

With the fast development of information industry, especially from mobile Internet and Internet of Things (IoT, internet of Things increased requirement) brings unprecedented challenge to future mobile.Such as according to International Telecommunication Union ITU Report ITU-R M. [IMT.BEYOND 2020.TRAFFIC], it is contemplated that arrive the year two thousand twenty, mobile service amount increases opposite (the 4G epoch) in 2010 will increase nearly 1000 times, and user equipment connection number also will be more than 17,000,000,000, with the IoT equipment of magnanimity Mobile communications network is gradually penetrated into, connection number of devices will be more surprising.In order to cope with this unprecedented challenge, communication is produced Industry and academia have expanded extensive 5th third-generation mobile communication technical research (5G), towards the year two thousand twenty generation.

At present in the frame and whole mesh that future 5G is discussed in the report ITU-R M. [IMT.VISION] of ITU Mark, wherein the demand to 5G is looked forward to, application scenarios and every important performance indexes elaborate.For the new need in 5G It asks, the report ITU-R M. [IMT.FUTURE TECHNOLOGY TRENDS] of ITU provides the technological trend correlation for 5G Information, it is intended to solve throughput of system be obviously improved, user experience consistency, scalability with support IoT, time delay, efficiency, The prominent questions such as cost, network flexibility, the support of emerging service and flexible spectrum utilization.

The measurement and switching of cell are the important steps in wireless communication system.When the terminal that network service is used It is moved to another cell from a cell, or due to the adjustment of radio services load, activation Operation and Maintenance, equipment event The reasons such as barrier, in order to guarantee that the continuity of communication and the quality of service, system turn the communication link of the terminal and former cell It moves on in new cell.This process, which is referred to as, to be switched.In order to complete this handoff procedure, terminal needs are to former cell and newly Cell measures and report measurement results, and system executes final switching based on measurement result.As shown in Figure 1, being existing LTE/LTE-A wireless communication system in cell measurement and handoff procedure.In the measurement and handoff procedure, include as Lower step:

Step 1: base station passes through RRC (Radio Resource Control, wireless heterogeneous networks) Connection Measurement configuration information is notified to need to terminal comprising terminal by the measConfig cell that Reconfiguration message carries Object, adjacent cell list, report manner, measurement mark, event argument of measurement etc..

Step 2: measurement that terminal is issued according to base station control measures configuration at the RRC agreement end of terminal, and to base It stands and sends the completion of RRC Connection Reconfiguration Complete message authentication measuring configuration.

Step 3: common cell of the terminal based on the measurement configuration information and place serving cell that receive in step 1 is special This cell is measured with reference signal (Cell-specific reference signals), and is optionally based on step The cell special reference of the measurement configuration information and adjacent cell that receive in 1 measures adjacent cell, and measurement is tied Fruit is reported to base station.

Step 4: base station terminal switching being made based on the measurement report and wireless resource management information received in step 3 Judgement.

Step 5: if judgement is switching in step 4, base station determines a suitable Target cell, executes final cut It changes.

In existing cell measurement and switching method, it is special that the measurement of current service cell and adjacent cell is based on cell With reference signal, and this reference signal is common to all terminals of same cell.In the following 5G wireless communication system In, it will no longer support the common cell special reference of this terminal.

Therefore, the measurement based on cell special reference used in LTE/LTE-A system and switching method without Method is suitable for the requirement of future 5G wireless communication system, needs to measure and cut for the new measurement of 5G wireless communication system design Method is changed, to substitute the effect of cell radio reference signal in LTE/LTE-A system.

Summary of the invention

The purpose of the present invention aims to solve at least one of above-mentioned technological deficiency, and it is wireless to be especially suitable for future 5G The problem of requirement of communication system.

The present invention provides a kind of cell measuring methods, are applied to terminal, comprising the following steps:

According to initial measurement configuration information and terminal dedicated channel status information measurement pilot tone CSI-RS resource and together At least one of step block measures the adjacent cell in terminal affiliated subdistrict and cell list respectively, is measured As a result；

The measurement result is sent to the base station, so that the base station determines whether to switch according to the measurement result The current affiliated subdistrict of terminal.

Preferably, the terminal-specific CSI-RS resource includes the dedicated CSI-RS resource of public terminals, and the basis is initial Measurement configuration information and terminal-specific CSI-RS resource carry out the adjacent cell in terminal affiliated subdistrict and cell list respectively Measurement, obtains measurement result, comprising:

According to the initial measurement configuration information and the dedicated CSI-RS resource of public terminals to terminal affiliated subdistrict and small Adjacent cell in area's list measures respectively, obtains measurement result.

Preferably, the terminal-specific CSI-RS resource includes the dedicated CSI-RS resource of special-purpose terminal, and the basis is initial Measurement configuration information and terminal-specific CSI-RS resource carry out the adjacent cell in terminal affiliated subdistrict and cell list respectively Measurement, obtains measurement result, comprising:

According to the initial measurement configuration information and the dedicated CSI-RS resource of the special-purpose terminal to terminal affiliated subdistrict with And the adjacent cell in cell list measures respectively, obtains measurement result.

Preferably, the terminal-specific CSI-RS resource further includes being pre-configured with terminal-specific CSI-RS resource, and described Terminal affiliated subdistrict is measured according to initial measurement configuration information and terminal-specific CSI-RS resource, obtains measurement result, also Include:

According to the initial measurement configuration information and be pre-configured with terminal-specific CSI-RS resource to terminal affiliated subdistrict into Row measurement, obtains measurement result.

Preferably, the method also includes:

Receive the initial measurement configuration information that base station is sent；

Initial measurement configuration is carried out according to the initial measurement configuration information, and returns to initial measurement to the base station and matches It sets and completes message；

Receive the terminal-specific CSI-RS resource that the base station is sent.

Preferably, the method also includes:

Receive the initial measurement configuration information and terminal-specific CSI-RS resource that base station is sent；

Initial measurement configuration is carried out according to the initial measurement configuration information, and returns to initial measurement to the base station and matches It sets and completes message.

Preferably, the configuration mode of the dedicated CSI-RS resource of the public terminals includes any of the following:

The dedicated CSI-RS resource of public terminals is discrete in frequency domain and time domain, and different time resource corresponds to identical frequency Rate resource；

The dedicated CSI-RS resource of public terminals is discrete in frequency domain and time domain, and different time resource corresponds to different frequencies Rate resource；

The dedicated CSI-RS resource of public terminals is in time domain discrete and frequency domain is continuous, and different time resource correspond to it is identical Frequency resource；

The dedicated CSI-RS resource of public terminals is in time domain discrete and frequency domain is continuous, and different time resource correspond to it is different Frequency resource；

The dedicated CSI-RS resource of public terminals is continuous in time domain and frequency domain is discrete, and different time resource correspond to it is identical Frequency resource；

The dedicated CSI-RS resource of public terminals is continuous in time domain and frequency domain is discrete, and different time resource correspond to it is different Frequency resource；

The dedicated CSI-RS resource of public terminals is continuous in frequency domain and time domain, and different time resource corresponds to identical frequency Rate resource；

The dedicated CSI-RS resource of public terminals is continuous in frequency domain and time domain, and different time resource corresponds to different frequencies Rate resource.

Preferably, the terminal-specific CSI-RS resource includes being pre-configured with terminal-specific CSI-RS resource, the basis Initial measurement configuration information and terminal dedicated channel status information measurement pilot tone CSI-RS resource and synchronization signal block are to terminal institute The adjacent cell belonged in cell and cell list measures respectively, obtains measurement result, comprising:

According to the initial measurement configuration information and be pre-configured with terminal-specific CSI-RS resource to terminal affiliated subdistrict into Row measurement, obtains measurement result；

According to the initial measurement configuration information and the synchronization signal block of each adjacent cell to each adjacent cell in cell list It measures respectively, obtains measurement result.

Preferably, described that terminal affiliated subdistrict and cell are arranged according to initial measurement configuration information and synchronization signal block Adjacent cell in table measures respectively, obtains measurement result, comprising:

Terminal affiliated subdistrict is carried out according to the initial measurement configuration information and the synchronization signal block of terminal affiliated subdistrict Measurement, obtains measurement result；

Preferably, the configuration mode of the terminal-specific CSI-RS resource includes any of the following:

Terminal-specific CSI-RS resource is discrete in time domain and frequency domain with the dedicated CSI-RS resource of public terminals, and passes through Time-multiplexed mode distinguishes；

Terminal-specific CSI-RS resource is discrete in time domain and frequency domain with the dedicated CSI-RS resource of public terminals, and passes through The mode of frequency division multiplexing distinguishes；

Terminal-specific CSI-RS resource is discrete in time domain and frequency domain with the dedicated CSI-RS resource of public terminals, and simultaneously It is distinguished by frequency division multiplexing and time-multiplexed mode；

Terminal-specific CSI-RS resource and the dedicated CSI-RS resource of public terminals in time domain discrete and frequency domain is continuous, and it is same When distinguished by time-multiplexed mode；

Terminal-specific CSI-RS resource and the dedicated CSI-RS resource of public terminals in time domain discrete and frequency domain is continuous, and it is logical The mode for crossing frequency division multiplexing distinguishes；

Terminal-specific CSI-RS resource and the dedicated CSI-RS resource of public terminals in time domain discrete and frequency domain is continuous, and it is same When distinguished by frequency division multiplexing and time-multiplexed mode；

Terminal-specific CSI-RS resource is continuous in time domain with the dedicated CSI-RS resource of public terminals and frequency domain is discrete, and same When distinguished by time-multiplexed mode；

Terminal-specific CSI-RS resource is continuous in time domain with the dedicated CSI-RS resource of public terminals and frequency domain is discrete, and logical The mode for crossing frequency division multiplexing distinguishes；

Terminal-specific CSI-RS resource is continuous in time domain with the dedicated CSI-RS resource of public terminals and frequency domain is discrete, and same When distinguished by frequency division multiplexing and time-multiplexed mode；

Terminal-specific CSI-RS resource is continuous in time domain and frequency domain with the dedicated CSI-RS resource of public terminals, and simultaneously It is distinguished by time-multiplexed mode；

Terminal-specific CSI-RS resource is continuous in time domain and frequency domain with the dedicated CSI-RS resource of public terminals, and passes through The mode of frequency division multiplexing distinguishes；

Terminal-specific CSI-RS resource is continuous in time domain and frequency domain with the dedicated CSI-RS resource of public terminals, and simultaneously It is distinguished by frequency division multiplexing and time-multiplexed mode.

Preferably, the method also includes:

Any one following information is received, to determine the quantity of terminal-specific CSI-RS resource for one；

Dedicated running time-frequency resource when Domain Index and frequency domain index；

The PRB or RE to sort according to the mode that time index is preferential or frequency indices are preferential is indexed accordingly；

Prespecified timing, at the same configure frequency resource Physical Resource Block index resource element or bit map letter Breath.

Preferably, the method also includes:

Any one following information is received, to determine the quantity of terminal-specific CSI-RS resource at least two；

For the running time-frequency resource quantity in the running time-frequency resource group of measurement, and each matching for the running time-frequency resource of measurement Confidence breath；

Domain Index and/or frequency domain index when preconfigured.

The present invention also provides a kind of cell switching methods, are applied to base station, comprising the following steps:

Initial measurement configuration information is sent to terminal and terminal dedicated channel status information measures pilot tone CSI-RS resource；

Receive the measurement result that the terminal returns；

Determined whether to switch the current affiliated subdistrict of the terminal according to the measurement result；

If switching, the cell switching instruction for carrying target adjacent section is sent, so that the terminal is cut according to the cell It changes instruction and is switched to the target adjacent section from terminal affiliated subdistrict.

The present invention also provides a kind of cell measurement devices, comprising:

Processing unit is used for processing unit, for according to initial measurement configuration information and terminal dedicated channel state At least one of information measurement pilot tone CSI-RS resource and synchronization signal block are to the neighbour in terminal affiliated subdistrict and cell list Cell measures respectively, obtains measurement result；

Transmission unit, for sending the measurement result to the base station.

The present invention also provides a kind of cell switching devices, comprising:

Transmission unit, for being led to terminal transmission initial measurement configuration information and terminal dedicated channel status information measurement Frequency CSI-RS resource；

Receiving unit, the measurement result returned for receiving the terminal；

Processing unit switches the current affiliated subdistrict of the terminal for determining whether according to the measurement result；And true When switching surely, the cell switching instruction for carrying target adjacent section is sent.

The efficiency and performance of cell measurement and handoff procedure are improved through the invention.

The additional aspect of the present invention and advantage will be set forth in part in the description, these will from the following description Become obvious, or practice through the invention is recognized.

Detailed description of the invention

Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments It obtains obviously and is readily appreciated that, in which:

Fig. 1 is the method flow diagram of cell measurement and switching in the prior art；

Fig. 2 is cell measuring method flow chart provided by the present invention；

Fig. 3 is cell switching method flow chart provided by the present invention；

Fig. 4 is cell measurement provided by the invention and switching method flow chart；

Fig. 5 is the configuration example figure of the dedicated CSI-RS resource of the first special-purpose terminal provided by the invention；

Fig. 6 is the configuration example figure of the dedicated CSI-RS resource of second of special-purpose terminal provided by the invention；

Fig. 7 is the configuration example figure of the dedicated CSI-RS resource of the third special-purpose terminal provided by the invention；

Fig. 8 is the configuration example figure of the 4th kind of dedicated CSI-RS resource of special-purpose terminal provided by the invention；

Fig. 9 is the configuration example figure of the 5th kind of dedicated CSI-RS resource of special-purpose terminal provided by the invention；

Figure 10 is the configuration example figure of the 6th kind of dedicated CSI-RS resource of special-purpose terminal provided by the invention；

Figure 11 is the configuration example figure of the 7th kind of dedicated CSI-RS resource of special-purpose terminal provided by the invention；

Figure 12 is the configuration example figure of the 8th kind of dedicated CSI-RS resource of special-purpose terminal provided by the invention；

Figure 13 is the configuration example figure of the 9th kind of dedicated CSI-RS resource of special-purpose terminal provided by the invention；

Figure 14 is the configuration example figure of the provided by the invention ten kind of dedicated CSI-RS resource of special-purpose terminal；

Figure 15 is a kind of the provided by the invention tenth configuration example figure of the dedicated CSI-RS resource of special-purpose terminal；

Figure 16 is the configuration example figure of the 12nd kind of dedicated CSI-RS resource of special-purpose terminal provided by the invention；

Figure 17 is the configuration example figure of the dedicated CSI-RS resource of the first public terminals provided by the invention；

Figure 18 is the configuration example figure of the dedicated CSI-RS resource of second of public terminals provided by the invention；

Figure 19 is the configuration example figure of the dedicated CSI-RS resource of the third public terminals provided by the invention；

Figure 20 is the configuration example figure of the 4th kind of dedicated CSI-RS resource of public terminals provided by the invention；

Figure 21 is the configuration example figure of the 5th kind of dedicated CSI-RS resource of public terminals provided by the invention；

Figure 22 is the configuration example figure of the 6th kind of dedicated CSI-RS resource of public terminals provided by the invention；

Figure 23 is the configuration example figure of the 7th kind of dedicated CSI-RS resource of public terminals provided by the invention；

Figure 24 is the configuration example figure of the 8th kind of dedicated CSI-RS resource of public terminals provided by the invention；

Figure 25 is matching for the terminal-specific CSI-RS resource that uniform intervals are configured to measurement on frequency domain provided by the invention Set schematic diagram；

Figure 26 is matching for the terminal-specific CSI-RS resource that uniform intervals are configured to measurement in time domain provided by the invention Set schematic diagram；

Figure 27 is the terminal-specific CSI-RS money that uniform intervals are configured to measurement on time-domain and frequency-domain provided by the invention The configuration mode schematic diagram in source；

Figure 28 is the structure chart of cell measurement device provided by the invention；

Figure 29 is the structure chart of cell switching device provided by the invention；

Figure 30 is the example mobile communications network schematic diagram according to the embodiment of the present invention.

Attached drawing is explained: the graphical meanings in above-mentioned Fig. 5-27 are identical as the diagrammatically shown meaning on right side in Fig. 5.

Specific embodiment

The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to The embodiment of attached drawing description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.

Those skilled in the art of the present technique are appreciated that unless expressly stated, singular " one " used herein, " one It is a ", " described " and "the" may also comprise plural form.It is to be further understood that being arranged used in specification of the invention Diction " comprising " refer to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition Other one or more features, integer, step, operation, element, component and/or their group.It should be understood that when we claim member Part is " connected " or when " coupled " to another element, it can be directly connected or coupled to other elements, or can also deposit In intermediary element.In addition, " connection " used herein or " coupling " may include being wirelessly connected or wirelessly coupling.Used here as Wording "and/or" include one or more associated wholes for listing item or any cell and all combinations.

Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology Term and scientific term), there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Also It should be understood that those terms such as defined in the general dictionary, it should be understood that have and the context of the prior art In the consistent meaning of meaning otherwise will not use idealization or too formal and unless by specific definitions as here Meaning is explained.

Those skilled in the art of the present technique are appreciated that " terminal " used herein above, " terminal device " both include wireless communication The equipment of number receiver, only has the equipment of the wireless signal receiver of non-emissive ability, and including receiving and emitting hardware Equipment, have on bidirectional communication link, can carry out two-way communication reception and emit hardware equipment.It is this to set Standby may include: honeycomb or other communication equipments, show with single line display or multi-line display or without multi-line Show the honeycomb or other communication equipments of device；PCS (PerSonal CommunicationS Service, PCS Personal Communications System), It can be with combine voice, data processing, fax and/or communication ability；PDA (PerSonal Digital ASSiStant, Personal digital assistant), it may include radio frequency receiver, pager, the Internet/intranet access, web browser, account Originally, calendar and/or GPS (Global PoSitioning SyStem, global positioning system) receiver；Conventional laptop and/or Palmtop computer or other equipment, have and/or conventional laptop and/or palm type calculation including radio frequency receiver Machine or other equipment." terminal " used herein above, " terminal device " can be it is portable, can transport, be mounted on the vehicles In (aviation, sea-freight and/or land), or it is suitable for and/or is configured in local runtime, and/or with distribution form, fortune Row is run in any other of the earth and/or space position." terminal " used herein above, " terminal device " can also be logical Believe terminal, access terminals, music/video playback terminal, such as can be PDA, MID (Mobile Internet Device, Mobile internet device) and/or mobile phone with music/video playing function, it is also possible to smart television, set-top box Etc. equipment.

For 5G wireless communication system, the invention proposes a kind of new cell measurements and switching method.In this method In, it is special then to send the terminal of adjacent cell (current service cell is optional) for measurement after sending measurement configuration information for base station It is whole with CSI-RS resource (UE-specific Channel State Information-Reference Signals) resource According to the dedicated CSI-RS resource of terminal newly configured, (and the optional configured terminal in current service cell is special at end With CSI-RS resource), carry out the measurement of current service cell and adjacent cell.In addition, terminal can also be based on the synchronization of adjacent cell The measurement of block progress adjacent cell.Final terminal is based on measurement result and radio resource to base station report measurement result, base station Management information makes corresponding judgement, determines switching cell, and carries out subsequent switching instruction process.

Below in conjunction with specific embodiment, make introductions all round cell measuring method and device proposed by the present invention, switching Method and device.

In the present invention, a kind of cell measuring method is provided, is applied to terminal, as shown in Figure 2, comprising the following steps:

Step 201, pilot tone CSI-RS is measured according to initial measurement configuration information and terminal dedicated channel status information At least one of resource and synchronization signal block measure the adjacent cell in terminal affiliated subdistrict and cell list respectively, Obtain measurement result.

Measurement in this step is divided into several situations, specifically:

In the first situation, terminal-specific CSI-RS resource includes the dedicated CSI-RS resource of public terminals, at the beginning of the basis Beginning measurement configuration information and terminal-specific CSI-RS resource to the adjacent cell in terminal affiliated subdistrict and cell list respectively into Row measurement, obtains measurement result, comprising:

In second situation, terminal-specific CSI-RS resource includes the dedicated CSI-RS resource of special-purpose terminal, described according to institute It states initial measurement configuration information and terminal-specific CSI-RS resource measures terminal affiliated subdistrict, obtain measurement result, wrap It includes:

In the third situation, terminal-specific CSI-RS resource includes the dedicated CSI-RS resource of public terminals and is pre-configured with Terminal-specific CSI-RS resource, it is described according to initial measurement configuration information and terminal-specific CSI-RS resource to small belonging to terminal Area measures, and obtains measurement result, further includes:

According to the initial measurement configuration information and the dedicated CSI-RS resource of public terminals to the adjacent cell in cell list It measures, obtains measurement result.

In 4th kind of situation, terminal-specific CSI-RS resource includes the dedicated CSI-RS resource of special-purpose terminal and is pre-configured with Terminal-specific CSI-RS resource, it is described according to initial measurement configuration information and terminal-specific CSI-RS resource to small belonging to terminal Area measures, and obtains measurement result, further includes:

According to the initial measurement configuration information and the dedicated CSI-RS resource of the special-purpose terminal to the neighbour in cell list Cell measures, and obtains measurement result.

On this basis, the processing of terminal further include:

Receive the terminal-specific CSI-RS resource that the base station is sent.

Or,

Wherein, the configuration mode of the dedicated CSI-RS resource of the public terminals includes any of the following:

In 5th kind of situation, the terminal-specific CSI-RS resource includes being pre-configured with terminal-specific CSI-RS resource, institute It states according to initial measurement configuration information and terminal dedicated channel status information measurement pilot tone CSI-RS resource and synchronization signal block pair Adjacent cell in terminal affiliated subdistrict and cell list measures respectively, obtains measurement result, comprising:

In 6th kind of situation, it is described according to initial measurement configuration information and synchronization signal block to terminal affiliated subdistrict and Adjacent cell in cell list measures respectively, obtains measurement result, comprising:

It is related to the situation of the dedicated CSI-RS resource of special-purpose terminal, the dedicated CSI-RS money of special-purpose terminal for above-mentioned The configuration mode in source includes any of the following:

The dedicated CSI-RS resource of special-purpose terminal is discrete in time domain and frequency domain with the dedicated CSI-RS resource of public terminals, and It is distinguished by time-multiplexed mode；

The dedicated CSI-RS resource of special-purpose terminal is discrete in time domain and frequency domain with the dedicated CSI-RS resource of public terminals, and It is distinguished by way of frequency division multiplexing；

The dedicated CSI-RS resource of special-purpose terminal is discrete in time domain and frequency domain with the dedicated CSI-RS resource of public terminals, and It is distinguished simultaneously by frequency division multiplexing and time-multiplexed mode；

The dedicated CSI-RS resource of special-purpose terminal with the dedicated CSI-RS resource of public terminals is in time domain discrete and frequency domain is continuous, And it is distinguished simultaneously by time-multiplexed mode；

The dedicated CSI-RS resource of special-purpose terminal with the dedicated CSI-RS resource of public terminals is in time domain discrete and frequency domain is continuous, And it is distinguished by way of frequency division multiplexing；

The dedicated CSI-RS resource of special-purpose terminal with the dedicated CSI-RS resource of public terminals is in time domain discrete and frequency domain is continuous, And it is distinguished simultaneously by frequency division multiplexing and time-multiplexed mode；

The dedicated CSI-RS resource of special-purpose terminal is continuous in time domain with the dedicated CSI-RS resource of public terminals and frequency domain is discrete, And it is distinguished simultaneously by time-multiplexed mode；

The dedicated CSI-RS resource of special-purpose terminal is continuous in time domain with the dedicated CSI-RS resource of public terminals and frequency domain is discrete, And it is distinguished by way of frequency division multiplexing；

The dedicated CSI-RS resource of special-purpose terminal is continuous in time domain with the dedicated CSI-RS resource of public terminals and frequency domain is discrete, And it is distinguished simultaneously by frequency division multiplexing and time-multiplexed mode；

The dedicated CSI-RS resource of special-purpose terminal is continuous in time domain and frequency domain with the dedicated CSI-RS resource of public terminals, and It is distinguished simultaneously by time-multiplexed mode；

The dedicated CSI-RS resource of special-purpose terminal is continuous in time domain and frequency domain with the dedicated CSI-RS resource of public terminals, and It is distinguished by way of frequency division multiplexing；

The dedicated CSI-RS resource of special-purpose terminal is continuous in time domain and frequency domain with the dedicated CSI-RS resource of public terminals, and It is distinguished simultaneously by frequency division multiplexing and time-multiplexed mode.

Further, the method also includes:

The method also includes:

Domain Index and/or frequency domain index when preconfigured.

Step 202, the measurement result is sent to the base station.

By sending the measurement result to base station, so that the base station determines whether to switch institute according to the measurement result State the current affiliated subdistrict of terminal.

Specifically, needing to switch the current affiliated subdistrict of the terminal if being determined by base station, receive what the base station was sent The cell switching instruction of target adjacent section is carried, and institute is switched to from terminal affiliated subdistrict according to cell switching instruction State target adjacent section.

Based on above-mentioned cell measuring method, the invention also discloses a kind of cell switching methods, are applied to base station, such as Fig. 3 It is shown, comprising the following steps:

Step 301, initial measurement configuration information and terminal-specific CSI-RS resource are sent to terminal.

Step 302, the measurement result that the terminal returns is received.

Step 303, determined whether to switch the current affiliated subdistrict of the terminal according to the measurement result.

In this step, if switching, send carry target adjacent section cell switching instruction so that the terminal according to The cell switching instruction is switched to the target adjacent section from terminal affiliated subdistrict；Otherwise, switching instruction is not sent.

Based on cell measuring method provided by aforementioned present invention and cell switching method, below with several specific implementations Example elaborate, wherein the measurement resource allocation information in following each embodiments include terminal-specific CSI-RS resource and/ Or synchronization signal block, terminal-specific CSI-RS resource include the dedicated CSI-RS resource of special-purpose terminal and the dedicated CSI- of public terminals RS resource.

Embodiment one

The present embodiment introduces a kind of method for being measured and being switched based on terminal-specific CSI-RS resource.In this implementation In example, the configuration information of the terminal-specific CSI-RS resource of initial measurement configuration information and adjacent cell is carried out in different steps It sends, and this cell is measured using configured terminal-specific CSI-RS resource, adjacent cell is special using the terminal newly configured It is measured with CSI-RS resource.In the present embodiment, system can be operated using multi-beam, such as system works in high band, Beam forming gain is needed to make up biggish path loss.System can also be operated using simple beam, for example, by using omnidirectional antennas Line provides covering in biggish angle.

Specific step is as follows for this method:

Step 1: initial measurement configuration information is sent to terminal by base station, comprising terminal need measure object, adjacent cell List, report manner, measurement mark, event argument etc. (do not include measurement resource allocation information).

Step 2: the measurement control that terminal is issued according to base station measures configuration, and complete to base station transmission measuring configuration At message.

Step 3: base station sends measurement resource allocation information to terminal, comprising: the terminal-specific for adjacent cell measurement CSI-RS resource (Channel State Information-Reference Signals, channel state information measure pilot tone) Shared running time-frequency resource (i.e. terminal-specific CSI-RS resource), used sequence resources etc..

Wherein, base station can be special with the public terminals of other purposes to measure the reserved dedicated CSI-RS resource of special-purpose terminal It is distinguished with CSI-RS resource.The dedicated CSI-RS resource of special-purpose terminal can be continuously, be also possible to it is discrete, can also To be the combination of the two.Wherein, discrete and continuously can be directed to frequency domain, time domain can also be directed to.It should be noted that resource The resource block for referring to time-frequency resource elements (Resource Element, RE) or multiple resource elements composition, continuously refers to The continuous resource element of continuous 2 or 2 or more or resource element block, and above-mentioned discrete and company are occupied in time domain or frequency domain It is continuous to be distributed the resource point for being directed to (such as a time slot, a subframe, a radio frames etc.) CSI-RS in a certain range Cloth situation.

The dedicated CSI-RS resource of special-purpose terminal and the dedicated CSI-RS resource of public terminals can pass through time division multiplexing (Time Division Multiplexing, TDM) mode, frequency division multiplexing (Time Division Multiplexing, FDM) mode and Code division multiplexing (Code Division Multiplexing, CDM) mode one way in which or various ways are in conjunction with carrying out It divides.

Specific configuration mode there are several types of:

(1a) as shown in figure 5, the dedicated CSI-RS resource of special-purpose terminal and the dedicated CSI-RS resource of public terminals in time domain and Frequency domain is discrete, and is distinguished by time-multiplexed mode.

(2a) as shown in fig. 6, the dedicated CSI-RS resource of special-purpose terminal and the dedicated CSI-RS resource of public terminals in time domain and Frequency domain is discrete, and is distinguished by way of frequency division multiplexing.

(3a) as shown in fig. 7, the dedicated CSI-RS resource of special-purpose terminal and the dedicated CSI-RS resource of public terminals in time domain and Frequency domain is discrete, and is distinguished simultaneously by frequency division multiplexing and time-multiplexed mode.

(4a) as shown in figure 8, the dedicated CSI-RS resource of special-purpose terminal and the dedicated CSI-RS resource of public terminals time domain from It dissipates and frequency domain is continuous, and is distinguished simultaneously by time-multiplexed mode.

(5a) as shown in figure 9, the dedicated CSI-RS resource of special-purpose terminal and the dedicated CSI-RS resource of public terminals time domain from It dissipates and frequency domain is continuous, and is distinguished by way of frequency division multiplexing.

(6a) as shown in Figure 10, the dedicated CSI-RS resource of special-purpose terminal and the dedicated CSI-RS resource of public terminals are in time domain It is discrete and frequency domain is continuous, and distinguished simultaneously by frequency division multiplexing and time-multiplexed mode.

(7a) as shown in figure 11, the dedicated CSI-RS resource of special-purpose terminal and the dedicated CSI-RS resource of public terminals are in time domain It is continuous and frequency domain is discrete, and distinguished simultaneously by time-multiplexed mode.

(8a) as shown in figure 12, the dedicated CSI-RS resource of special-purpose terminal and the dedicated CSI-RS resource of public terminals are in time domain It is continuous and frequency domain is discrete, and distinguished by way of frequency division multiplexing.

(9a) as shown in figure 13, the dedicated CSI-RS resource of special-purpose terminal and the dedicated CSI-RS resource of public terminals are in time domain It is continuous and frequency domain is discrete, and distinguished simultaneously by frequency division multiplexing and time-multiplexed mode.

(10a) as shown in figure 14, the dedicated CSI-RS resource of special-purpose terminal and the dedicated CSI-RS resource of public terminals are in time domain It is continuous with frequency domain, and distinguished simultaneously by time-multiplexed mode.

(11a) as shown in figure 15, the dedicated CSI-RS resource of special-purpose terminal and the dedicated CSI-RS resource of public terminals are in time domain It is continuous with frequency domain, and distinguished by way of frequency division multiplexing.

(12a) as shown in figure 16, the dedicated CSI-RS resource of special-purpose terminal and the dedicated CSI-RS resource of public terminals are in time domain It is continuous with frequency domain, and distinguished simultaneously by frequency division multiplexing and time-multiplexed mode.

Certainly, base station can not also make as other scenes to measure the reserved dedicated CSI-RS resource of special-purpose terminal With the dedicated CSI-RS resource of public terminals.The dedicated CSI-RS resource of public terminals can be continuously, be also possible to it is discrete, It is also possible to the combination of the two.Wherein, discrete and continuously can be directed to frequency domain, time domain can also be directed to.It should be noted that Continuously refer to and occupy continuous 2 or 2 or more continuous resource element in time domain or frequency domain, and is above-mentioned discrete and continuous Distribution is directed to the resource point of (such as a time slot, a subframe, a radio frames etc.) CSI-RS in a certain range Cloth situation.

Specific configuration mode there are several types of:

(1b) as shown in figure 17, the dedicated CSI-RS resource of public terminals is discrete in frequency domain and time domain, and different time provides Source corresponds to identical frequency resource.

(2b) as shown in figure 18, the dedicated CSI-RS resource of public terminals is discrete in frequency domain and time domain, and different time provides Source corresponds to different frequency resources.

(3b) as shown in figure 19, the dedicated CSI-RS resource of public terminals is in time domain discrete and frequency domain is continuous, and different time Resource corresponds to identical frequency resource.

(4b) as shown in figure 20, the dedicated CSI-RS resource of public terminals is in time domain discrete and frequency domain is continuous, and different time Resource corresponds to different frequency resources.

(5b) as shown in figure 21, the dedicated CSI-RS resource of public terminals is continuous in time domain and frequency domain is discrete, and different time Resource corresponds to identical frequency resource.

(6b) as shown in figure 22, the dedicated CSI-RS resource of public terminals is continuous in time domain and frequency domain is discrete, and different time Resource corresponds to different frequency resources.

(7b) as shown in figure 23, the dedicated CSI-RS resource of public terminals is continuous in frequency domain and time domain, and different time provides Source corresponds to identical frequency resource.

(8b) as shown in figure 24, the dedicated CSI-RS resource of public terminals is continuous in frequency domain and time domain, and different time provides Source corresponds to different frequency resources.

It is configured for above-mentioned all terminal-specific CSI-RS resource, base station is from all terminal-specifics that can be used for measuring The terminal-specific CSI-RS resource of adjacent cell measurement is used in CSI-RS resource for terminal distribution, wherein each adjacent cell The one or more terminal-specific CSI-RS resources for measurement of distribution.As the multiple terminal-specific CSI- for measurement of distribution When RS resource (resource group), wherein each terminal-specific CSI-RS resource can correspond to the different wave beam in adjacent cell base station or not Same synchronization signal block is conducive to select after handover to measure the channel situation of the different beam Synchronization block of adjacent cell Select optimal serving cell and wave beam (synchronization signal block).It, can be by frequency when choosing multiple terminal-specific CSI-RS resources Continuously chosen on domain it is multiple, equally spaced choose on frequency domain it is multiple, continuously choose in the time domain it is multiple, in timing etc. between The mode that multiple above-mentioned two or more than two methods combine is chosen every ground to choose.

It should be noted that terminal is also under conditions of base station configures CSI-RS resource dedicated using above-mentioned different terminals It can be superimposed using different sequences or using the different superimposed codes (code division multiplexing) under identical sequence.In this case, Base station can by send the different cyclic shift index of different sequence index, same sequence, different superimposed code indexes or on State the mode that index combines, the sequence code that notice terminal measurement uses.

It should also be noted that, can lead to when base station is the terminal-specific CSI-RS resource that terminal distribution is individually used to measure Cross following manner notice terminal:

(1a) notify respectively dedicated running time-frequency resource when Domain Index and frequency domain index.Wherein, Domain Index can use place nothing when The notation index of the subframe index of line frame or the time slot index of place subframe or place time slot；Domain Index when another Configuration mode be that configurating terminal kth subframe after current subframe is resource initial position for measurement, notifying parameters k；Or configurating terminal k-th of symbol after current sign is the dedicated channel resource initial position for measurement, notifying parameters k。

Frequency domain indexes the index characterization of available physical resources block, uses the center relative to upstream bandwidth or band The offset PRB of broad edge (such as first PRB or RE) or RE number characterization.

The PRB or RE for the terminal-specific CSI-RS resource that (2a) will can be used for measuring according to time index it is preferential or The preferential mode of frequency indices sorts, and adds corresponding index.In the terminal-specific CSI-RS resource of configuration measurement, it is The terminal notification index.The above-mentioned mode to sort for PRB or RE can be by carrying out in whole available bandwidths, or is distributing To being carried out in the bandwidth of corresponding terminal.

(3a) prespecified timing, while configuring frequency resource.For example, it is prespecified receive for measurement when After the resource allocation information of frequency resource, on the corresponding running time-frequency resource of k-th of subframe after current subframe, or it is confused currently K-th of time slot on the corresponding running time-frequency resource of k-th mini subframe after your subframe, or after current time slots it is corresponding when On the corresponding running time-frequency resource of k-th of symbol in frequency resource, or after current sign, the terminal-specific for measurement is carried out The transmission of CSI-RS resource.Wherein, parameter k can be preset, or send jointly to terminal with measurement configuration information.

When configuring frequency resource, available physical resources block index or resource element are notified, or pass through bit map (bit-map) mode is notified.

And base station be terminal distribution it is multiple for measurement terminal-specific CSI-RS resource (resource group) when, can by with Under type notifies terminal:

(1b) notice is for the running time-frequency resource quantity in the running time-frequency resource group of measurement, and each time-frequency for measurement Resource distribution.The configuration and notice of each running time-frequency resource for measurement can be used and aforementioned only configure the several of single running time-frequency resource Kind mode.

(2b) distinguishes each running time-frequency resource in the running time-frequency resource group for measurement according to frequency division multiplexing mode, can adopt Domain Index when configuring determining with prespecified mode, for example, it is prespecified after receiving k-th of subframe after configuration information First subframe or k-th of time slot after first time slot or k-th of symbol after first symbol, as with In the when Domain Index of the access channel running time-frequency resource quickly accessed；It is above-mentioned be delayed indicate when Domain Index (i.e. parameter k) can also It is notified in a manner of sending jointly to terminal by Physical Downlink Control Channel or with measurement configuration information.

Frequency domain is indexed, i.e. the frequency domain position for the running time-frequency resource of measurement, can configure and lead in the following way Know:

If (i) resource of distribution is carried out on frequency domain according to certain regular array, such as on frequency domain with fixed intervals Distribution can notify the position (such as first Physical Resource Block index of first running time-frequency resource) of first running time-frequency resource on frequency domain, Running time-frequency resource in the frequency domain interval (such as unit of number of Physical Resource Block) and frequency domain of two neighboring running time-frequency resource Number.Figure 25 show the frequency domain resource configuration mode schematic diagram using the dedicated channel running time-frequency resource of this kind of mode.

In above-mentioned example, the terminal-specific CSI-RS resource group for measurement configured is by 3 terminal-specifics CSI-RS resource composition, these three terminal-specific CSI-RS resource occupy identical time resource (such as subframe, time slot or Symbol), three dedicated Physical Resource Block for accessing the identical quantity in interchannel interval (are m Physical Resource Block or resource element in figure Element).When notifying the configuration of terminal-specific CSI-RS resource of the terminal for measuring, base station notifies the first end for measurement The frequency domain position of dedicated CSI-RS resource is held, such as first Physical Resource Block or resource element index, and the terminal for measurement is special With the interval m between CSI-RS resource, and the quantity of the terminal-specific CSI-RS resource for measurement.It should be noted that another A kind of configuration mode is, in prespecified mode, or sends jointly to measurement configuration information the mode of terminal, determines The frequency domain position of the first terminal-specific CSI-RS resource for measurement, or the terminal-specific CSI-RS resource for measurement Interval, or the quantity of the terminal-specific CSI-RS resource for measurement.

(ii) carries out the determination of frequency domain index by the way of bit map (bit-map).By can be used for measure when Frequency resource carries out being divided into resource group according to Physical Resource Block/resource element or integer Physical Resource Block/resource element, And be each resource group addition index, define bit group b=[b₁..., b_M], in the bit group element number with divided Resource group quantity is identical, i-th of element b in bit group_iValue be 0 or 1, indicate i-th of resource group whether can be used for surveying Amount, wherein 0 indicates to be not used in measurement, and 1 indicates for measuring.

(iii) directly notifies the frequency domain position of each terminal-specific CSI-RS resource for measurement, such as notice is respectively The first Physical Resource Block of a terminal-specific CSI-RS resource for measurement or the index of resource element.

(3b), for each running time-frequency resource in the running time-frequency resource group of measurement, can be adopted according to time division multiplexing mode for distinguishing Determining frequency domain index, such as the prespecified frequency domain resource for measurement are configured with prespecified mode, is determined in resource group For the Physical Resource Block of measurement or the frequency domain position of resource element；Or by sending jointly to end with measurement configuration information The mode at end determines the frequency domain position of Physical Resource Block or resource element for measurement.

If (i) resource of distribution is in the time domain according to certain regular array, such as is carried out in the time domain with fixed intervals Distribution, then can by notify it is first for measurement terminal-specific CSI-RS resource when Domain Index, it is adjacent for measurement end The number of the time domain interval and terminal-specific CSI-RS resource for measurement of holding dedicated CSI-RS resource determines resource group In it is each for measurement terminal-specific CSI-RS resource time-domain position.Wherein, the adjacent terminal-specific CSI- for measurement The time domain interval of RS resource can also be characterized by the density of the terminal-specific CSI-RS resource for measurement.Figure 26 is shown Using the time-domain resource configuration mode schematic diagram of the dedicated channel running time-frequency resource of this kind of mode.

(ii) directly notifies each terminal-specific for measurement in the terminal-specific CSI-RS resource group for measurement The when Domain Index of CSI-RS resource, Domain Index can be indexed or be accorded with by wireless frame index, subframe index, time slot when described Number index in one or combination characterization.

(4b) by the way of time division multiplexing and frequency division multiplexing if distinguish the terminal-specific CSI-RS money for measurement simultaneously Each terminal-specific CSI-RS resource for measurement in the group of source, while each terminal-specific CSI-RS money for measurement Source is configured in time domain and frequency domain according to certain rule, then the combination that mode in above-mentioned (2b) and (3b) can be used carries out The configuration and notice of terminal-specific CSI-RS resource for measurement.For example, if being used for the terminal-specific CSI-RS resource of measurement It is spaced apart in frequency domain in time domain, then can notify frequency domain interval, time domain interval (or time domain density), first for surveying In the time domain of the terminal-specific CSI-RS resource of amount, frequency domain resource position (time domain, frequency domain index) and time domain, frequency domain direction The quantity of terminal-specific CSI-RS resource for measurement, as shown in figure 27.

It is further to note that the measurement configuration information, had both included the measurement initial configuration information in step 1, Including the measurement resource allocation information in step 3.In addition, it is directed to different cells, the terminal-specific CSI- for measurement RS resource distribution mode may be the same or different with advice method.And the terminal-specific CSI-RS resource for being used to measure can It is allocated to one or more terminals simultaneously.

Step 4: terminal is special based on the initial measurement configuration information and the configured terminal of this cell received in step 1 This cell is measured with CSI-RS resource, and is optionally based on the initial measurement configuration information received in step 1 and step Configuration information of the adjacent cell received in rapid 3 for the terminal-specific CSI-RS resource of measurement measures adjacent cell, and Measurement result is reported to base station.

It should be noted that being directed to same adjacent cell, base station can configure one or more terminal-specific CSI-RS money Source is for measuring.When the multiple terminal-specific CSI-RS resource of configuration are used to measure, wherein each terminal-specific CSI-RS resource The different synchronization signal block in adjacent cell base station (Synchronization Signal Block, SS Block) or not can be corresponded to Same wave beam.

Step 5: base station terminal switching being made based on the measurement result and wireless resource management information received in step 4 Judgement.

Step 6: if judgement is switching in step 5, base station determines that a suitable Target cell or one are suitable Target cell and its a corresponding wave beam/synchronization signal block, instruction terminal execute final switching.

It should be noted that step 1 and step 3 can merge in the above method, base station can be in step 1 by measurement Configuration information is sent to terminal, object, adjacent cell list, the report for needing to measure including measurement resource allocation information, terminal Announcement mode, measurement mark, event argument etc..Subsequent terminal sends measuring configuration in step 2 and completes message and in step 3 Report measurement results.Switch decision is made in base station in step 4, if judgement is switching, base station and terminal are completed in steps of 5 Handoff procedure.

It should also be noted that, the measurement for this cell (terminal affiliated subdistrict), can be used this cell and has matched The terminal-specific CSI-RS resource for measurement newly configured also can be used in the terminal-specific CSI-RS resource set.

It also should be noted that terminal can also be according to this cell other than the dedicated CSI-RS resource of configurating terminal The measurement of this cell and adjacent cell is carried out with the synchronization signal block of adjacent cell.

The measurement of above-mentioned cell and switching method are applicable not only within same gNB the switching of (intra-gNB) cell, The switching (such as X2 switching, S1 switching) of (inter-gNB) cell is applied equally between different gNB.

Embodiment two

On the basis of example 1, the present embodiment introduce it is a kind of it is adjusted based on terminal-specific CSI-RS resource into The method of row measurement and switching.In the present embodiment, the terminal-specific of initial measurement configuration information and this cell and adjacent cell The configuration information of CSI-RS resource is sent in different steps, and for this cell and adjacent cell, distributes new terminal Dedicated CSI-RS resource measures.Furthermore in the present embodiment, system can be operated using multi-beam, such as system works in High band needs beam forming gain to make up biggish path loss.System can also be operated using simple beam, for example, by using Omnidirectional antenna provides covering in biggish angle.

Step 1: initial measurement configuration information is sent to terminal by base station, comprising terminal need measure object, adjacent cell List, report manner, measurement mark, event argument etc..

Step 3: base station sends measurement resource allocation information to terminal, comprising: the end for this cell and adjacent cell measurement Hold running time-frequency resource shared by dedicated CSI-RS resource, used sequence resources etc..

It should be noted that base station can reserve the dedicated CSI-RS resource of special-purpose terminal, the public affairs with other purposes to measure It is distinguished with terminal-specific CSI-RS resource, the dedicated CSI-RS resource of public terminals also can be used and measure.For surveying The terminal-specific CSI-RS resource of amount can be continuously in time domain and frequency domain, be also possible to discrete, both be also possible to In conjunction with.The different terminal-specific CSI-RS resource for measurement can be by time division multiplexing, frequency division multiplexing, code division multiplexing One or more combinations distinguish.For same cell, base station can be terminal distribution one or more for measuring Terminal-specific CSI-RS resource, then terminal is notified by different modes.Above-mentioned specific resource distribution and advice method exist It is specifically described in embodiment one.

Step 4: terminal is based on the initial measurement configuration information received in step 1 and this cell received in step 3 Terminal-specific CSI-RS resource configuration information for measurement measures this cell, and is optionally based in step 1 and receives To initial measurement configuration information and step 3 in the terminal-specific CSI-RS resource of the adjacent cell that receives for measurement match Confidence breath measures adjacent cell, and measurement result is reported to base station.

Embodiment three:

The present embodiment introduces a kind of method for being measured and being switched based on terminal-specific CSI-RS resource.In this implementation In example, the configuration information of initial measurement configuration information and adjacent cell terminal-specific CSI-RS resource is sent out in identical step Send, and this cell is measured using configured terminal-specific CSI-RS resource, adjacent cell using the CSI-RS that newly configures into Row measurement.In the present embodiment, system can be operated using multi-beam, such as system works in high band, and wave beam forming is needed to increase Benefit makes up biggish path loss.System can also be operated using simple beam, for example, by using omnidirectional antenna in biggish angle Interior offer covering.

Step 1: initial measurement configuration information and measurement resource allocation information are sent to terminal by base station, are needed comprising terminal Object, adjacent cell list, the report manner, measurement mark, event argument, the terminal-specific for adjacent cell measurement to be measured Running time-frequency resource shared by CSI-RS resource, used sequence resources etc.

Step 3: terminal is special based on the initial measurement configuration information and the configured terminal of this cell received in step 1 This cell is measured with CSI-RS resource, and is optionally based on the initial measurement configuration information received in step 1 and neighbour Configuration information of the cell for the terminal-specific CSI-RS resource of measurement measures adjacent cell, and measurement result is reported To base station.

Step 4: base station terminal switching being made based on the measurement result and wireless resource management information received in step 3 Judgement.

Step 5: if judgement is switching in step 4, base station determines that a suitable Target cell or one are suitable Target cell and its a corresponding wave beam/synchronization signal block, instruction terminal execute final switching.

Example IV

The present embodiment introduces a kind of method for being measured and being switched based on terminal-specific CSI-RS resource.In this implementation In example, the configuration information of initial measurement configuration information and this cell and adjacent cell terminal-specific CSI-RS resource is in identical step Suddenly it is sent, and this cell and adjacent cell are measured using the terminal-specific CSI-RS resource newly configured.The present embodiment In, system can be operated using multi-beam, such as system works in high band, and beam forming gain is needed to make up biggish road Diameter loss.System can also be operated using simple beam, provide covering in biggish angle for example, by using omnidirectional antenna.

Step 1: initial measurement configuration information and measurement resource allocation information are sent to terminal by base station, are needed comprising terminal The object to be measured, adjacent cell list, report manner, measurement mark, event argument, for this cell and adjacent cell measurement Running time-frequency resource shared by terminal-specific CSI-RS resource, used sequence resources etc..

Step 3: terminal of the terminal based on the initial measurement configuration information and this cell received in step 1 for measurement Dedicated CSI-RS resource configuration information measures this cell, and is optionally based on the initial measurement received in step 1 and matches The configuration information of confidence breath and adjacent cell for the terminal-specific CSI-RS resource of measurement measures adjacent cell, and will survey Amount result is reported to base station.

Embodiment five

The present embodiment introduces a kind of method for being measured and being switched based on synchronization signal block.In the present embodiment, system It can be operated using multi-beam, such as system works in high band, and beam forming gain is needed to make up biggish path loss. System can also be operated using simple beam, provide covering in biggish angle for example, by using omnidirectional antenna.

Step 1: measurement configuration information is sent to terminal by base station, object, the adjacent cell column for needing to measure comprising terminal Table, report manner, measurement mark, event argument etc..

Step 3: terminal is special based on the initial measurement configuration information and the configured terminal of this cell received in step 1 This cell is measured with CSI-RS resource or this cell synchronous block, and be optionally based on received in step 1 just The synchronization signal block of beginning measurement configuration information and adjacent cell measures adjacent cell, and measurement result is reported to base station.

Based on cell measuring method provided by aforementioned present invention, the present invention also provides a kind of cell measurement devices, such as Shown in Figure 28, comprising:

Processing unit 2801, for being led according to initial measurement configuration information and terminal dedicated channel status information measurement At least one of frequency CSI-RS resource and synchronization signal block to the adjacent cell in terminal affiliated subdistrict and cell list respectively into Row measurement, obtains measurement result；

Transmission unit 2802, for sending the measurement result to the base station.

Based on cell measuring method provided by aforementioned present invention, the present invention also provides a kind of cell switching devices, such as Shown in Figure 29, comprising:

Transmission unit 2901, for sending initial measurement configuration information and terminal-specific CSI-RS resource to terminal；

Receiving unit 2902, the measurement result returned for receiving the terminal；

Processing unit 2903 switches the current affiliated subdistrict of the terminal for determining whether according to the measurement result；And When determining switching, the cell switching instruction for carrying target adjacent section is sent.

Cell measuring method and device, cell switching method and the device that the present invention describes, can be adapted for without public small The following 5G wireless network of area's reference signal, and according to the information flexible configuration needs such as wireless resource management information, cell load The cell of measurement and its corresponding terminal-specific CSI-RS resource for measurement, are obviously improved the effect of measurement and handoff procedure Rate and performance.

Based on embodiment provided by aforementioned present invention, as shown in figure 30, it is shown that example according to an embodiment of the present invention Wireless communication system 100, wherein UE detects instruction information.Wireless communication system 100 includes one or more fixed Infrastructure element forms the network for being distributed in a geographic area.Base unit is referred to as access point (Access Point, AP), access terminal (Access Terminal, AT), base station BS (Base Station), node B (Node-B) and Other terms that evolved base station (evolved NodeB, eNB), next-generation base station (gNB) or this field use.The present invention Access point in embodiment could alternatively be any one of above-mentioned term.As shown in figure 30, one or more base stations 101 It is 103 He of several mobile station MSs (Mobile Station) or UE or terminal device or user in coverage with 102 104 provide service, and e.g., coverage is within the scope of cell or cell sector.In some systems, one or more BS can lead to To being formed on access network-based control device, which is communicatively coupled to one or more for letter ground coupling (couple to) Core net.Disclosure example is not limited to any specific wireless communication system.

In time domain and/or frequency domain, base station 101 and 102 respectively to UE103 and 104 communicating downlinks (Downlink, DL) signal of communication 112 and 113.UE103 and 104 respectively by uplink (Uplink, UL) signal of communication 111 and 114 with One or more base units 101 and 102 communicate.In one embodiment, mobile communication system 100 is one comprising multiple Base station, multiple UE orthogonal frequency division multiplexing (Orthogonal Frequency Division Multiplexing, OFDM)/ Orthogonal frequency division multiplexing multiple access (Orthogonal Frequency Division Multiple Access, OFDMA) system is more A base station includes base station 101, base station 102, and multiple UE include UE103 and UE104.Base station 101 passes through uplink communication signal 111 and downlink communication signal 112 communicated with UE103.When base station has downlink packets to be sent to UE, each UE A downlink distribution (resource) will be obtained, such as physical down link sharing channel (Physical Downlink Shared Channel, PDSCH) or narrowband DSCH Downlink Shared Channel NPDSCH (narrowband Physical Downlink Shared Channel, NPDSCH) in one group of radio resource.When user equipment needs to send to base station in the uplink When grouping, UE is authorized from base station, and wherein the authorized appropriation includes the physical down chain of one group of uplink radio resources Road ink Shared Channel (Physical Uplink Shared Channel, PUSCH) or narrowband Uplink Shared Channel NPUSCH.The UE is from PDCCH (Physical Downlink Control Channel, the physical down control specifically for oneself Channel processed) or MPDCCH or EPDCCH or NPDCCH obtain downlink or uplink scheduling information.Down control channel The downlink or uplink scheduling information of carrying and other control information, referred to as down link control information (Downlink Control Information, DCI).Figure 30 also shows 111 example of downlink 112 and uplink Different physical channels.Downlink 112 include PDCCH or EPDCCH or NPDCCH or MPDCCH 121, PDSCH or NPDSCH 122, Physical Control Format Indicator Channel (Physical Control Formation Indicator Channel, PCFICH) 123,124, physical broadcast Physical Multicast Channel (Physical Multicast Channel, PMCH) Channel (Physical Broadcast Channel, PBCH) or narrowband Physical Broadcast Channel NPBCH125, physical mixed are certainly Dynamic request retransmission indicates channel (Physical Hybrid Automatic Repeat Request Indicator Channel, PHICH) 126 and primary synchronization signal (Primary Synchronization Signal, PSS), the second synchronous letter Number (Secondary Synchronization Signal, SSS) or narrowband major-minor synchronization signal NPSS/NSSS 12x.Under Row control channel 121 sends downlink control signal to user.DCI120 is carried by down control channel 121. PDSCH122 sends data information to UE.PCFICH123 is sent for decoding PDCCH information, as dynamic instruction PDCCH121 makes Symbolic number.PMCH124 carries broadcast multi-broadcasting information.PBCH or NPBCH125 carries Master Information Block (Master Information Block, MIB), it is used for UE early detection and cell all standing (cell-wide coverage).PHICH Hybrid automatic repeat-request HARQ information is carried, which indicates the transmission letter whether base station is received correctly Number.Uplink 111 includes physical uplink control channel (Physical Uplink Control Channel, PUCCH) 131, Physical Random Access Channel (the Physical Random Access of PUSCH 132 and carrying random access information Channel, PRACH) 133.

In one embodiment, cordless communication network 100 uses OFDMA or multicarrier framework, including on downlink Adaptive Modulation and Coding (Adaptive Modulation and Coding, AMC) and the single load of the next generation transmitted for UL Wave FDMA framework or multi-carrier OFDM A framework.It include interlaced FDMA (Interleaved based on FDMA single carrier framework FDMA, IFDMA), centralized frequency division multiple access (Localized FDMA, LFDMA), IFDMA or LFDMA extension direct computation of DFT Leaf transformation orthogonal frequency division multiplexing (DFT-spread OFDM, DFT-SOFDM).In addition, further including the various enhancings of OFDMA system The non-friendship multiple access NOMA framework of type, for example, PDMA (Pattern division multiple access), SCMA (Sparse Code multiple access, MUSA (Multi-user shared access), LCRS FDS (Low code rate Spreading Frequency domain spreading), NCMA (Non-orthogonal coded multiple Access), RSMA (Resource spreading multiple access), IGMA (Interleave-grid Multiple access), LDS-SVE (Low density spreading with signature vector Extension), LSSA (Low code rate and signature based shared access), NOCA (Non- Orthogonal coded access), IDMA (Interleave division multiple access), RDMA (Repetition division multiple access), GOCA (Group orthogonal coded access), WSMA (Welch-bound equality based spread MA) etc..

In OFDMA system, the downlink chain of one group of subcarrier in one or more OFDM symbols is generally comprised by distributing Road or uplink radio resources carry out server remote unit.Exemplary OFDMA agreement includes the development of 3GPP UMTS standard 802.16 standard of LTE and IEEE.The framework also may include the use of transmission technology, such as CDMA multiple carrier (multi- Carrier CDMA, MC-CDMA), multi-carrier direct sequence CDMA (multi-carrier direct sequence CDMA, MC-DS-CDMA), orthogonal frequency code division multiplexing (the Orthogonal Frequency and of one-dimensional or two-dimentional transmission Code Division Multiplexing, OFCDM).Alternatively, can based on it is simpler when and/or frequency division multiplexing/multiple access The combination of access technology or these different technologies.In an alternative embodiment, other honeycombs can be used in communication system Communication system protocol, including but not limited to TDMA or direct sequence CDMA.

Those skilled in the art of the present technique are appreciated that the present invention includes being related to for executing in operation described herein One or more equipment.These equipment can specially design and manufacture for required purpose, or also may include leading to With the known device in computer.These equipment have the computer program being stored in it, these computer programs selectivity Ground activation or reconstruct.Such computer program can be stored in equipment (for example, computer) readable medium or store In any kind of medium for being suitable for storing e-command and being coupled to bus respectively, the computer-readable medium includes But it is not limited to any kind of disk (including floppy disk, hard disk, CD, CD-ROM and magneto-optic disk), ROM (Read-Only Memory, read-only memory), RAM (Random AcceSS Memory, immediately memory), EPROM (EraSable Programmable Read-Only Memory, Erarable Programmable Read only Memory), EEPROM (Electrically EraSable Programmable Read-Only Memory, Electrically Erasable Programmable Read-Only Memory), flash memory, magnetic card Or light card.It is, readable medium includes the form storage or transmission letter by equipment (for example, computer) can read Any medium of breath.

Those skilled in the art of the present technique be appreciated that can be realized with computer program instructions these structure charts and/or The combination of each frame and these structure charts and/or the frame in block diagram and/or flow graph in block diagram and/or flow graph.This technology neck Field technique personnel be appreciated that these computer program instructions can be supplied to general purpose computer, special purpose computer or other The processor of programmable data processing method is realized, to pass through computer or the place of other programmable data processing methods Manage the scheme specified in frame or multiple frames of the device to execute structure chart and/or block diagram and/or flow graph disclosed by the invention.

Those skilled in the art of the present technique have been appreciated that in the present invention the various operations crossed by discussion, method, in process The step of, measure, scheme can be replaced, changed, combined or be deleted.Further, have the present invention in by discussion cross Various operations, method, other steps, measures, and schemes in process can also be replaced, changed, reset, decomposed, combined or be deleted It removes.Further, it is in the prior art have in various operations, method disclosed in the present invention, process step, measure, Scheme may also be alternated, changed, rearranged, decomposed, combined or deleted.

The above is only some embodiments of the invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims

1. a kind of cell measuring method, which is characterized in that be applied to terminal, comprising the following steps:

According to initial measurement configuration information and terminal dedicated channel status information measurement pilot tone CSI-RS resource and synchronization signal At least one of block measures the adjacent cell in terminal affiliated subdistrict and cell list respectively, obtains measurement result；

The measurement result is sent to base station, so that the base station determines whether that switching the terminal works as according to the measurement result Preceding affiliated subdistrict.

2. the method according to claim 1, wherein the terminal-specific CSI-RS resource includes that public terminals are special With CSI-RS resource, it is described according to initial measurement configuration information and terminal-specific CSI-RS resource to terminal affiliated subdistrict and small Adjacent cell in area's list measures respectively, obtains measurement result, comprising:

Terminal affiliated subdistrict and cell are arranged according to the initial measurement configuration information and public terminals dedicated CSI-RS resource Adjacent cell in table measures respectively, obtains measurement result.

3. the method according to claim 1, wherein the terminal-specific CSI-RS resource includes that special-purpose terminal is special With CSI-RS resource, it is described according to initial measurement configuration information and terminal-specific CSI-RS resource to terminal affiliated subdistrict and small Adjacent cell in area's list measures respectively, obtains measurement result, comprising:

According to the initial measurement configuration information and the dedicated CSI-RS resource of the special-purpose terminal to terminal affiliated subdistrict and small Adjacent cell in area's list measures respectively, obtains measurement result.

4. according to the method in claim 2 or 3, which is characterized in that the terminal-specific CSI-RS resource further includes preparatory The dedicated CSI-RS resource of configurating terminal, it is described according to initial measurement configuration information and terminal-specific CSI-RS resource to belonging to terminal Cell measures, and obtains measurement result, further includes:

According to the initial measurement configuration information and it is pre-configured with terminal-specific CSI-RS resource terminal affiliated subdistrict is surveyed Amount, obtains measurement result.

5. method according to any of claims 1-4, which is characterized in that the method also includes:

Initial measurement configuration is carried out according to the initial measurement configuration information, and returns to initial measurement configuration to the base station and completes Message；

Receive the terminal-specific CSI-RS resource that the base station is sent.

6. method according to any of claims 1-4, which is characterized in that the method also includes:

Initial measurement configuration is carried out according to the initial measurement configuration information, and returns to initial measurement configuration to the base station and completes Message.

7. according to the method described in claim 2, it is characterized in that, the configuration mode of the dedicated CSI-RS resource of the public terminals It includes any of the following:

The dedicated CSI-RS resource of public terminals is discrete in frequency domain and time domain, and different time resource corresponds to identical frequency money Source；

The dedicated CSI-RS resource of public terminals is discrete in frequency domain and time domain, and different time resource corresponds to different frequency money Source；

The dedicated CSI-RS resource of public terminals in time domain discrete and frequency domain is continuous, and different time resource corresponds to identical frequency money Source；

The dedicated CSI-RS resource of public terminals in time domain discrete and frequency domain is continuous, and different time resource corresponds to different frequency moneys Source；

The dedicated CSI-RS resource of public terminals is continuous in time domain and frequency domain is discrete, and different time resource corresponds to identical frequency money Source；

The dedicated CSI-RS resource of public terminals is continuous in time domain and frequency domain is discrete, and different time resource corresponds to different frequency money Source；

The dedicated CSI-RS resource of public terminals is continuous in frequency domain and time domain, and different time resource corresponds to identical frequency money Source；

The dedicated CSI-RS resource of public terminals is continuous in frequency domain and time domain, and different time resource corresponds to different frequency money Source.

8. the method according to claim 1, wherein the terminal-specific CSI-RS resource includes being pre-configured with end Dedicated CSI-RS resource is held, it is described that pilot tone CSI-RS is measured according to initial measurement configuration information and terminal dedicated channel status information Resource and synchronization signal block measure the adjacent cell in terminal affiliated subdistrict and cell list respectively, obtain measurement knot Fruit, comprising:

According to the initial measurement configuration information and it is pre-configured with terminal-specific CSI-RS resource terminal affiliated subdistrict is surveyed Amount, obtains measurement result；

Each adjacent cell in cell list is distinguished according to the initial measurement configuration information and the synchronization signal block of each adjacent cell It measures, obtains measurement result.

9. the method according to claim 1, wherein described according to initial measurement configuration information and synchronization signal block Adjacent cell in terminal affiliated subdistrict and cell list is measured respectively, obtains measurement result, comprising:

Terminal affiliated subdistrict is measured according to the synchronization signal block of the initial measurement configuration information and terminal affiliated subdistrict, Obtain measurement result；

10. method according to claim 1 to 8, which is characterized in that the dedicated CSI-RS money of special-purpose terminal The configuration mode in source includes any of the following:

The dedicated CSI-RS resource of special-purpose terminal is discrete in time domain and frequency domain with the dedicated CSI-RS resource of public terminals, and when passing through The mode of multiplexing is divided to distinguish；

The dedicated CSI-RS resource of special-purpose terminal is discrete in time domain and frequency domain with the dedicated CSI-RS resource of public terminals, and passes through frequency The mode of multiplexing is divided to distinguish；

The dedicated CSI-RS resource of special-purpose terminal is discrete in time domain and frequency domain with the dedicated CSI-RS resource of public terminals, and leads to simultaneously It crosses frequency division multiplexing and time-multiplexed mode distinguishes；

The dedicated CSI-RS resource of special-purpose terminal with the dedicated CSI-RS resource of public terminals is in time domain discrete and frequency domain is continuous, and simultaneously It is distinguished by time-multiplexed mode；

The dedicated CSI-RS resource of special-purpose terminal with the dedicated CSI-RS resource of public terminals is in time domain discrete and frequency domain is continuous, and pass through The mode of frequency division multiplexing distinguishes；

The dedicated CSI-RS resource of special-purpose terminal with the dedicated CSI-RS resource of public terminals is in time domain discrete and frequency domain is continuous, and simultaneously It is distinguished by frequency division multiplexing and time-multiplexed mode；

The dedicated CSI-RS resource of special-purpose terminal is continuous in time domain with the dedicated CSI-RS resource of public terminals and frequency domain is discrete, and simultaneously It is distinguished by time-multiplexed mode；

The dedicated CSI-RS resource of special-purpose terminal is continuous in time domain with the dedicated CSI-RS resource of public terminals and frequency domain is discrete, and passes through The mode of frequency division multiplexing distinguishes；

The dedicated CSI-RS resource of special-purpose terminal is continuous in time domain with the dedicated CSI-RS resource of public terminals and frequency domain is discrete, and simultaneously It is distinguished by frequency division multiplexing and time-multiplexed mode；

The dedicated CSI-RS resource of special-purpose terminal is continuous in time domain and frequency domain with the dedicated CSI-RS resource of public terminals, and leads to simultaneously Time-multiplexed mode is crossed to distinguish；

The dedicated CSI-RS resource of special-purpose terminal is continuous in time domain and frequency domain with the dedicated CSI-RS resource of public terminals, and passes through frequency The mode of multiplexing is divided to distinguish；

The dedicated CSI-RS resource of special-purpose terminal is continuous in time domain and frequency domain with the dedicated CSI-RS resource of public terminals, and leads to simultaneously It crosses frequency division multiplexing and time-multiplexed mode distinguishes.

11. method according to claim 1 to 8, which is characterized in that the method also includes:

Prespecified timing, while configuring the Physical Resource Block index or resource element or bit cartographic information of frequency resource.

12. method according to claim 1 to 8, which is characterized in that the method also includes:

Match confidence for the running time-frequency resource of measurement for the running time-frequency resource quantity in the running time-frequency resource group of measurement, and each Breath；

Domain Index and/or frequency domain index when preconfigured.

13. a kind of cell switching method, which is characterized in that be applied to base station, comprising the following steps:

Receive the measurement result that the terminal returns；

If switching, the cell switching instruction for carrying target adjacent section is sent, so that the terminal refers to according to cell switching Show from terminal affiliated subdistrict and is switched to the target adjacent section.

14. a kind of cell measurement device characterized by comprising

Processing unit, for measuring pilot tone CSI-RS according to initial measurement configuration information and terminal dedicated channel status information At least one of resource and synchronization signal block measure the adjacent cell in terminal affiliated subdistrict and cell list respectively, obtain To measurement result；

Transmission unit, for sending the measurement result to base station.

15. a kind of cell switching device characterized by comprising

Transmission unit, for sending initial measurement configuration information and terminal dedicated channel status information measurement pilot tone CSI- to terminal RS resource；

Receiving unit, the measurement result returned for receiving the terminal；

Processing unit switches the current affiliated subdistrict of the terminal for determining whether according to the measurement result；And it is cut in determination When changing, the cell switching instruction for carrying target adjacent section is sent.