WO2016173212A1 - Method for learning unlicensed spectrum wireless environment and apparatus therefor, and terminal - Google Patents

Abstract

Disclosed are a method for learning unlicensed spectrum wireless environment and an apparatus therefor, and a terminal. The method comprises: receiving a control message, wherein the control message comprises commands and related configuration parameters for the MDT measurement of the unlicensed spectrum wireless environment; and performing the MDT measurement on the unlicensed spectrum wireless environment according to the configuration parameters.

Description

Method, device and terminal for knowing unlicensed spectrum wireless environment Technical field

This application relates to, but is not limited to, a mobile communication system.

Background technique

FIG. 1 is a schematic diagram of a system architecture of a Long Term Evolution (LTE) system in a cellular mobile family system of the 3GPP (The 3rd Generation Partnership Project), including: a mobility management entity on the core network side ( Mobility Management Entity (MME), Serving GetWay (SGW), user equipment on the radio access network side, or User Equipment (UE) and eNodeB (eNB) It is a Uu air interface or an air interface. The S1-MME (S1 for the control plane) ground interface is between the eNB and the MME, and the S1-U ground interface is between the eNB and the SGW, and the X2-U (X2-User) between the eNBs and the SGW. Plane and X2-C (X2-Control plane) ground interface.

2(a) to 2(d) are a protocol stack structure of a control plane and a user plane between a UE and an eNB, a core network (MME and SGW) in an LTE system, and a control plane and a user plane between the eNB and the eNB. Schematic diagram of the protocol stack architecture. The Uu air interface media access control layer (MAC) and the physical layer (PHY) layer are related to the subsequent content of this document. The MAC layer mainly provides data transmission for the upper logical channel and is responsible for the allocation of uplink and downlink radio resources, and completes hybrid automatic repeat request (HIRQ), scheduling (Scheduling), priority processing, and multiplexing demultiplexing (Multiplexing). The function is referred to as MUX); the PHY layer mainly provides physical layer related signal processing, transmission means and air interface signal conversion for the packet MAC PDU of the transmission channel. In addition, the protocol RLC (Radio Link Control) layer of the Uu air interface is mainly used to provide segmentation and retransmission services for users and control data. The PDCP layer is mainly used to complete user data transmission to the RRC or user plane. The RRC layer is mainly used to complete broadcasting, paging, radio resource control connection management, radio bearer control, mobility function, terminal measurement reporting, and control. The above background art can query the relevant protocol specifications of LTE in the 3GPP public website.

In order to reduce the cost and complexity of mobile operators using manual devices for manual network test, the LTE system introduced a series of Minimization of Drive Test (MDT) functions starting from the Rel-10 version. The MDT uses the normal LTE terminal to automatically collect network-related measurement results, and then reports to the eNB through Control Plane signaling, and then reports the operation and maintenance system (Operation And Maintenance, OAM for short) through the ground interface upstream of the eNB. The Trace Collection Entity (TCE) is used for network deployment and adjustment and optimization of operating parameters. For example, MDT can detect weak coverage of certain network areas, blind spot problems, and can find some hotspot areas with large capacity requirements.

The MDT function is classified into Management Based MDT (Management Based MDT) and Signaling Based MDT (Signaling Based MDT). The activation process of the management-based MDT is generally that the OAM sends a Trace Session activation message including the MDT configuration to the eNB, and the eNB selects an appropriate UE in the MDT Valid Area, and configures the MDT. The information is sent to the selected UE. The signaling-based MDT activation process is performed by the OAM to send a Trace Session activation containing an MDT configuration to a Home Subscriber Server (HSS) to activate the MDT measurement of the specified UE. The register (HSS) sends the MDT configuration information of the UE to the MME, and the MME sends the MDT configuration information of the UE to the eNB, and the eNB finally sends the MDT configuration information to the UE. The signaling-based MDT usually uses an International Mobile Subscriber Identity (IMSI) or an International Mobile Station Equipment Identity (IMEI) to designate a certain UE, or add area information. Limit the choice of the UE. Both the management-based MDT and the signaling-based tracking activation message include Trace Reference information from the OAM, including the Public Land Mobile Network (PLMN) information, and the mobile country code ( Mobile country code (referred to as MCC) and mobile network code (Mobile Network code, MNC for short).

The MDT function can be divided into two working modes according to its operation in the idle state RRC_IDLE and in the connected state RRC_CONNECTED, including: "Logged MDT" and "immediate MDT". Recording minimized drive test means that the UE collects and stores relevant information in the RRC_IDLE state when the configured conditions are met. The measurement information is used for future reporting when the eNB receives the command request, and after receiving the data, the eNBs aggregates or directly forwards it to the TCE. Immediately minimizing the drive test means that when the UE is in the RRC_CONNECTED state, it collects relevant measurement information and actively uploads it to the eNB when the report meets the reporting condition, and then aggregates the report to the TCE.

According to the different attributes of the MDT measurement object, the content of the measurement object of the current LTE MDT can be classified into three types or three layers: L1: for example, a LTE downlink pilot signal (Common Reference Signal, CRS for short; Channel State) Information-Reference Signal, Channel State Indication Reference Signal (CSI-RS), RSPS (Reference Signal Receiving Power), and Quality RSRQ (Reference Signal Receiving Quality); For example, statistical measurement of protocol layer delay/loss rate/loss amount of packet layer such as LTE MAC/RLC (Radio Link Control)/PDCP (Packet Data Convergence Protocol); L3 : For example, statistical measurement of LTE-specific Data Radio Bearer (DRB) data throughput/throughput and other mobility-related performance (handover, dropped calls, etc.) indicators.

Up to now, the measurement object of MDT mainly comes from the content in the network of the operator, such as the quality and strength of the pilot signal belonging to its own network service cell, the regional distribution of capacity, and the various services QOS (Quality) serving the UE in its own network. Of Service, quality of service) performance. This is necessary in a licensed spectrum radio environment because licensed spectrum means that only operators who have paid for it have the right to decide how to deploy and adjust those licensed spectrum resources. In addition to the licensed spectrum, there are a large number of unlicensed spectrum resources in the middle and high frequency bands (operators do not need to purchase, multiple operators can freely deploy and use under the restrictions of public wireless control conditions), such as operators and corporate family individuals. The WLAN AP (Access Node) node deployed in the deployment uses these unlicensed spectrum resources for uplink and downlink data transmission. In addition, the future LTE evolution system can also use LAA (Licensed Assisted Access) and other technologies to jointly Aggregation utilizes these unlicensed spectrum resources for uplink and downlink data transmission. In addition, in the unlicensed spectrum, there may be a Non-LAA Standalone LTE-U system without authorized carrier assistance, and various wireless systems such as radar microwave navigation. Different types of wireless systems belonging to different operators coexist in unlicensed spectrum wireless environments in different combinations, resulting in an extremely complex wireless environment and interference conditions.

Summary of the invention

The following is an overview of the topics detailed in this document. This Summary is not intended to limit the scope of the claims.

In view of the current situation, if an operator A needs to use unlicensed spectrum resources in a certain physical area and frequency band in a specific system manner, it is very beneficial if the wireless environment can be perceived in advance and in real time. Although there are co-operating systems in the same target physical area and frequency range, how to deploy and use the same unlicensed spectrum resource method cannot be predicted by operator A, that is, it is hidden, uncontrolled and random. Sexual characteristics, but through a large number of MDT measurement sampling and reporting statistics, it is still possible for Operator A to analyze certain rules, and thus provide a valuable reference for the subsequent better deployment and use of unlicensed spectrum resources.

Since the carrier's respective service carrier/cell is deployed on the licensed spectrum, the relevant MDT technology cannot perform related MDT measurement and result collection statistics on the carrier/serving cell in the unlicensed spectrum, and there is no carrier RSSI or total energy received. Relevant measurement statistics of the indicator quantity.

This document provides a method, device, and terminal for learning an unlicensed spectrum radio environment to implement MDT measurement of an unlicensed spectrum.

A method of knowing an unlicensed spectrum wireless environment, comprising:

Receiving a control message, the control message including a command to minimize a drive test MDT measurement unlicensed spectrum radio environment and related configuration parameters;

Performing MDT measurement of the unlicensed spectrum wireless environment according to the configuration parameters.

Optionally, the above method also has the following features:

The unlicensed spectrum is synthesized by one or more frequency bands, carriers or cells having a specific center frequency and a specific bandwidth.

Optionally, the foregoing method further has the following feature: after performing the MDT measurement of the unlicensed spectrum radio environment according to the configuration parameter, the method further includes:

Reporting the MDT measurement result, the MDT measurement result includes one or more of the following:

Time in the time dimension corresponding to the measurement;

The unlicensed frequency bandwidth corresponding to the measurement in the frequency dimension;

Corresponding measured physical location information in the spatial dimension;

The measurement result corresponds to the quantized value of the received signal strength indication value.

Optionally, the foregoing method further has the following feature: performing the MDT measurement of the unlicensed spectrum wireless environment according to the configuration parameter, including:

If the terminal is in the RRC_IDLE state of the RRC, the measurement record or the measurement record is related to the WLAN access node beacon in the target unlicensed band according to the configured physical range, effective time limit, and measurement period to be measured. One or more of the following:

Received signal strength indication value;

Carrier energy load indication value;

Reference signal received power;

Reference signal reception quality;

Protocol layer packet delay;

Protocol layer packet loss rate;

Protocol layer packet loss amount;

Specific data radio bearers data throughput rate;

Specific data radio bearer data throughput;

Mobility related performance indicators.

Optionally, the foregoing method further has the following feature: the measured received signal strength indication value and the carrier energy load indication value are measured in a discontinuous reception off period in an RRC_IDLE state.

Optionally, the foregoing method further has the following feature: performing the MDT measurement of the unlicensed spectrum wireless environment according to the configuration parameter, including:

If the terminal is in the RRC_CONNECTED state of the RRC connection, and the working frequency and bandwidth in the current unlicensed band do not coincide with the MDT target unlicensed band carrier band, the configured physical range to be measured, the effective time limit and the measurement are performed. Cycle, within the target unlicensed band, the measurement record or only the measurement of one or more of the following related to the WLAN access node beacon:

Received signal strength indication value;

Carrier energy load indication value;

Reference signal received power;

Reference signal reception quality;

Protocol layer packet delay;

Protocol layer packet loss rate;

Protocol layer packet loss amount;

Specific data radio bearers data throughput rate;

Specific data radio bearer data throughput;

Mobility related performance indicators.

Optionally, the foregoing method further has the following feature: performing the MDT measurement of the unlicensed spectrum wireless environment according to the configuration parameter, including:

If the terminal is in the RRC_CONNECTED state of the RRC connection, and the working frequency and bandwidth in the current unlicensed band overlap with all or part of the MDT target unlicensed band carrier frequency band, the configured physical range to be measured, the effective time limit And the measurement period, within the operating frequency and bandwidth within the currently configured unlicensed band, the measurement record or only the measurement records one or more of the following related to the WLAN access node beacon:

Received signal strength indication value;

Carrier energy load indication value;

Reference signal received power;

Reference signal reception quality;

Protocol layer packet delay;

Protocol layer packet loss rate;

Protocol layer packet loss amount;

Specific data radio bearers data throughput rate;

Specific data radio bearer data throughput;

Mobility related performance indicators.

Optionally, the foregoing method further has the following feature: the measurement signal strength indication value and the carrier energy load indication value are measured by using a measurement gap configured in an RRC_CONNECTED state or a discontinuous reception deactivation off period.

Optionally, the foregoing method further has the following features: the configuration parameters include:

Physical area to be measured, target unlicensed band range, effective time limit, measurement period and measurement object.

A terminal comprising:

The first receiving module is configured to: receive a control message, where the control message includes a command to minimize the drive test MDT measurement unlicensed spectrum radio environment and related configuration parameters; the unlicensed spectrum has one or more specific center frequency points And frequency band, carrier or cell synthesis with a specific bandwidth;

The first measurement module is configured to: perform MDT measurement of the unlicensed spectrum wireless environment according to the configuration parameter;

The first reporting module is configured to: report the MDT measurement result, where the MDT measurement result includes one or more of the following: a time corresponding to the measurement in the time dimension; an unlicensed frequency bandwidth corresponding to the measured frequency dimension; and a spatial dimension Corresponding to the measured physical position information; the measurement result corresponds to the quantized value of the received signal strength indication value.

Optionally, the foregoing terminal further has the following features:

The first measurement module is configured to: if the terminal is in the radio resource control protocol idle RRC_IDLE state, according to the configured physical range to be measured, the effective time limit and the measurement period, and the measurement record in the target unlicensed frequency range Or measuring only one or more of the following related to the wireless local area network access node beacon: received signal strength indication value; carrier energy load indication value; reference signal received power; reference signal reception quality; protocol layer data packet Delay; protocol layer packet loss rate; protocol layer packet loss; specific data radio bearer data throughput; specific data radio bearer data throughput; mobility related performance indicators.

Optionally, the foregoing terminal further has the following features:

The first measurement module is configured to: measure the received signal strength indication value and the carrier energy load indication value is measured in a discontinuous reception off period in an RRC_IDLE state. of.

Optionally, the foregoing terminal further has the following feature: the first measurement module is configured to: if the terminal is in a RRC_CONNECTED state of the RRC connection, and the working frequency and bandwidth in the current unlicensed band and the MDT target to be tested If the unlicensed band carrier frequency band does not coincide, according to the configured physical range to be measured, the effective time limit and the measurement period, within the target unlicensed frequency band, the measurement record or only the measurement record is related to the WLAN access node beacon. One or more: received signal strength indication value; carrier energy load indication value; reference signal reception power; reference signal reception quality; protocol layer packet delay; protocol layer packet loss rate; protocol layer packet loss Packet size; specific data radio bearer data throughput; specific data radio bearer data throughput; mobility related performance indicators.

Optionally, the foregoing terminal further has the following features:

The first measurement module is configured to: if the terminal is in the RRC_CONNECTED state of the RRC connection, and the working frequency and bandwidth in the current unlicensed band overlap with all or part of the MDT target unlicensed band carrier frequency band, According to the configured physical range to be measured, the effective time limit and the measurement period, within the working frequency and bandwidth within the currently configured unlicensed frequency band, the measurement record or only the measurement records the following one related to the WLAN access node beacon. Species or types: received signal strength indication value; carrier energy load indication value; reference signal received power; reference signal reception quality; protocol layer packet delay; protocol layer packet loss rate; protocol layer packet loss Volume; specific data radio bearer data throughput; specific data radio bearer data throughput; mobility related performance indicators.

Optionally, the foregoing terminal further has the following features:

The first measurement module measures the received signal strength indication value and the carrier energy load indication value by using a measurement gap configured in an RRC_CONNECTED state or a discontinuous reception deactivation off period.

A base station comprising:

a second receiving module, configured to: receive a control message, where the control message includes a command to minimize a drive test MDT measurement unlicensed spectrum radio environment and related configuration parameters;

a second measurement module, configured to: perform an unlicensed spectrum wireless environment according to the configuration parameter MDT measurement.

Optionally, the foregoing base station further has the following features:

The second reporting module is configured to: report the MDT measurement result, where the MDT measurement result includes one or more of the following: a time corresponding to the measurement in the time dimension; an unlicensed frequency bandwidth corresponding to the measured frequency dimension; and a spatial dimension Corresponding to the measured physical position information; the measurement result corresponds to the quantized value of the received signal strength indication value.

A method of knowing an unlicensed spectrum wireless environment, comprising:

Sending a control message to the base station, the control message including a command to minimize the drive test MDT measurement unlicensed spectrum radio environment and related configuration parameters;

Receive MDT measurement results.

Optionally, the foregoing method further has the following feature: the sending the control message to the base station is implemented under the following conditions:

It is analyzed that in the past specified time period, the terminal served by the base station within the scope of the base station does not meet the specified standard for the use of the unlicensed spectrum resources in the range.

Optionally, the foregoing method further has the following feature: after receiving the MDT measurement result, the method further includes:

Generating an unlicensed spectrum resource distribution pattern according to the MDT measurement result.

Optionally, the foregoing method further has the following features:

And transmitting the unlicensed spectrum resource distribution pattern to the base station.

An apparatus for obtaining an unlicensed spectrum radio environment is deployed on the network side, and includes:

The control module is configured to: send a control message to the base station, where the control message includes a command and related configuration parameters that minimize the drive test MDT measurement unlicensed spectrum radio environment;

The third receiving module is configured to: receive the MDT measurement result, where the MDT measurement result includes one or more of the following: a time corresponding to the measurement in the time dimension; an unlicensed frequency bandwidth corresponding to the measured frequency dimension; and a spatial dimension Corresponding to the measured physical position information; the measurement result corresponds to the quantized value of the received signal strength indication value.

Optionally, the above device also has the following features:

The control module is configured to: send a control message to the base station under the following conditions: analyzing, during a specified period of time in the past, the terminal served by the base station to use the unlicensed spectrum resource in the range The situation did not meet the specified criteria.

Optionally, the above device further has the following features: further comprising:

And generating a module, configured to: generate an unlicensed spectrum resource distribution pattern according to the MDT measurement result.

Optionally, the above device further has the following features:

The sending module is configured to: send the unlicensed spectrum resource distribution pattern to the base station.

A computer readable storage medium storing computer executable instructions for performing the method of any of the above.

In summary, the embodiments of the present invention provide a method, device, and terminal for obtaining an unlicensed spectrum radio environment, and implementing MDT-related control by using an existing architecture of the MDT (reducing the complexity of the implementation of the technology and reducing the cost of using the technology by the operator) In the technical extension of the link, the operator can understand the statistical level of the carrier resource load in the unlicensed spectrum through the existing MDT platform and the MDT method extended by the embodiment of the present invention, so that the decision can be made to deploy and use the unlicensed spectrum. Resources to mitigate wireless interference between different operator systems, increase the capacity of their respective mobile systems, and increase the data throughput of their respective users.

Other aspects will be apparent upon reading and understanding the drawings and detailed description.

BRIEF abstract

1 is a schematic diagram of a related art LTE system architecture;

2(a) is a schematic diagram of a related art LTE Uu/S1 interface control plane architecture;

2(b) is a schematic diagram of a related art LTE Uu/S1 interface user plane architecture;

2(c) is a schematic diagram of a related art LTE X2 interface control plane architecture;

2(d) is a schematic diagram of a related art LTE X2 interface user plane architecture;

3 is a flowchart of a method for obtaining an unlicensed spectrum wireless environment according to an embodiment of the present invention;

4 is a flowchart of another method for obtaining an unlicensed spectrum wireless environment according to an embodiment of the present invention;

FIG. 5 is a detailed flowchart of a method for obtaining an unlicensed spectrum radio environment according to an embodiment of the present invention; FIG.

FIG. 6 is a schematic diagram of a terminal according to an embodiment of the present invention; FIG.

FIG. 7 is a schematic diagram of a base station according to an embodiment of the present invention; FIG.

FIG. 8 is an apparatus for obtaining an unlicensed spectrum wireless environment according to an embodiment of the present invention.

Embodiments of the invention

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, in the case of no conflict, the features in the embodiments and the embodiments in the present application may be arbitrarily combined with each other.

FIG. 3 is a flowchart of a method for obtaining an unlicensed spectrum radio environment according to an embodiment of the present invention. As shown in FIG. 1 , the method in this embodiment is applicable to a terminal or a base station, including:

Step 11: Receive a control message, where the control message includes a command and related configuration parameters that minimize a drive test MDT measurement unlicensed spectrum wireless environment;

Step 12: Perform MDT measurement of the unlicensed spectrum wireless environment according to the configuration parameter.

The unlicensed spectrum is synthesized by one or more frequency bands, carriers or cells having a specific center frequency point and a specific bandwidth.

After step 12, it may further include:

Step 13: Reporting the MDT measurement result, where the MDT measurement result includes one or more of the following: a time corresponding to the measurement in the time dimension; an unlicensed frequency bandwidth corresponding to the measured measurement in the frequency dimension; and a physical location corresponding to the measurement in the spatial dimension Information; the measurement result corresponds to the quantized value of the received signal strength indication value.

As shown in FIG. 4, it is an embodiment of the present invention.

The embodiments of the present invention are described in detail below.

As shown in FIG. 4, another method for obtaining an unlicensed spectrum radio environment in the embodiment of the present invention is applicable to the network side, and includes:

Step 21: Send a control message to the base station, where the control message includes minimizing the road test MDT measurement. Commands and related configuration parameters of the unlicensed spectrum wireless environment;

In step 22, the MDT measurement result is received.

Wherein step 21 is implemented under the following conditions:

It is analyzed that in the past specified time period, the terminal served by the base station within the scope of the base station does not meet the specified standard for the use of the unlicensed spectrum resources in the range.

After step 21, it may further include:

Step 23: Generate an unlicensed spectrum resource distribution pattern according to the MDT measurement result.

After step 23, it may further include:

Step 24: Send the unlicensed spectrum resource distribution pattern to the base station.

As shown in FIG. 5, it is a refinement process of a method for obtaining an unlicensed spectrum radio environment according to an embodiment of the present invention.

S0: Initialization, both the LTE network and the terminal UE have the relevant capabilities of the embodiment of the present invention, and the UE is in the unlicensed spectrum environment described in the normal wireless coverage of the LTE network and in the background art.

S1: Whether the OAM/TCE determines whether the unlicensed spectrum resource usage is satisfactory, whether to start or continue the process of the MDT measurement unlicensed spectrum radio environment, if the process of starting the MDT measurement unlicensed spectrum radio environment is started, the process proceeds to step S2, if not required Start, then return to the initialization state.

The unlicensed spectrum in this embodiment refers to a frequency band, carrier or cell synthesis composed of one or more specific center frequency points and a specific bandwidth.

The OAM/TCE is analyzed by the internal unlicensed spectrum resource usage analysis module. It is found that in the past, the UEs served within the scope of an eNB are not satisfied or dissatisfied with the use of unlicensed spectrum resources in the range. / Not up to standard, etc., then decided to start MDT to measure the process of unlicensed spectrum wireless environment.

This step is optional.

S2: OAM/MME/TCE starts the process of measuring the unlicensed spectrum wireless environment by MDT.

The OAM/MME/TCE commands (starts) and related configuration parameters (such as the physical to be measured) of the "MDT measurement unlicensed spectrum radio environment" through control messages on the ground interface (such as the S1 interface). The area range, the effective time limit, the target unlicensed frequency band range, the measurement period, the measurement object, and the like are sent to the serving eNB where the UE is located.

The eNB sends a command (startup) of the "MDT measurement unlicensed spectrum radio environment" and related configuration parameters (ibid.) to the UE through a control message on the air interface. The sending and receiving of the above control message can be implemented by the existing control plane data sending and receiving module of the LTE system.

S3: After receiving the command and related configuration parameters of the MDT measurement unlicensed spectrum radio environment from the eNB, the UE internally performs the following measurement on the unlicensed spectrum radio environment, which can be measured by the UE's internal unlicensed spectrum radio environment. Module to achieve.

Type 1: The UE is in the RRC_IDLE state, and according to the measured physical range and period configured by the eNB, within the target unlicensed frequency band carrier frequency and bandwidth (which may be configured multiple), the corresponding received signal strength indication value is recorded and recorded. (Received Signal Strength Indicator, RSS for short), the RSSI value contains all the interference signals transmitted by all coexisting systems currently received by the UE, such as WLAN APs, LAA-LTE systems, Standalone LTE-U systems, etc. . The RSSI measurement timing can utilize the DRX (Discontinuous Receive) OFF Period in the RRC_IDLE state.

Since the WLAN AP periodically transmits the Beacon pilot signal, the UE can also separately measure the RSSI value associated with only the WLAN AP Beacon.

Type 2: The UE is in the RRC_CONNECTED state, but the working frequency and bandwidth (if configured) in the current unlicensed band and the MDT target unlicensed band carrier band do not have any overlap, then the measured physical range and period according to the eNB configuration. In the target unlicensed band carrier frequency and bandwidth (which can be configured multiple), the corresponding received signal strength indicator (RSSI) is recorded and measured, and the RSSI value includes the UE currently capable. The sum of all interfering signals transmitted by all coexisting systems received, such as WLAN APs, LAA-LTE systems, Standalone LTE-U systems, and so on. The RSSI measurement timing can utilize the measurement gap Measurement Gaps or the DRX Inactive Period configured in the RRC_CONNECTED state.

Since the WLAN AP periodically transmits the Beacon pilot signal, the UE can also separately measure the RSSI value associated with only the WLAN AP Beacon.

Type 3: The UE is in the RRC_CONNECTED state, but the working frequency and bandwidth (if configured) and the MDT target to be tested in the current unlicensed band have a fully or partially overlapping portion, according to the measured physical range and period configured by the eNB. The Received Signal Strength Indicator (RSSI) is measured and recorded in the working frequency and bandwidth of the currently configured unlicensed band. The RSSI value includes all the coexistence that the UE can currently receive. The sum of all interfering signals transmitted by the system, such as WLAN APs, LAA-LTE systems, Standalone LTE-U systems, and so on. The RSSI measurement timing can utilize the measurement gap Measurement Gaps or DRX Inactive Period configured in the RRC_CONNECTED state. Type 2 and Type 3 are compatible and can be measured in parallel.

Since the WLAN AP periodically transmits the Beacon pilot signal, the UE can also separately measure the RSSI value associated with only the WLAN AP Beacon.

S4: Report the MDT measurement result of the unlicensed spectrum wireless environment.

After performing the measurement of the unlicensed spectrum radio environment in step S3, the UE obtains a series of MDT result data (at least: a time corresponding to the measurement in the time dimension, and an unlicensed frequency bandwidth corresponding to the measured frequency dimension, corresponding to the spatial dimension) The measured physical location information, the measurement result corresponds to the RSSI quantized value, and then according to the existing MDT result triggering and reporting mode of the LTE system (implemented by the existing MDT measurement data reporting module of the LTE system), to report the recorded unlicensed spectrum wireless As a result of the environmental measurement, the eNB then reports the MDT measurement results to the TCE for summary analysis.

S5: After obtaining the MDT data measured by the UE, the OAM/TCE generates an unlicensed spectrum resource distribution pattern.

Optionally, the OAM/TCE obtains a series of MDT data measured by multiple UEs in the past MDT Session(j) through the existing MDT measurement result collection process, and is analyzed by an internal specific unlicensed spectrum wireless environment analysis module. Discovery: RSSI measurements are relatively low/relatively stable (meaning that unlicensed resources are idle) during certain time periods/some physical location ranges/some unlicensed frequency bandwidths, while at some other time/some Within the physical location/some unlicensed frequency bandwidth, the RSSI measurement is relatively high/comparative (meaning that the non-authorized resources are occupied at a high utilization rate), etc., so it can be based on the wireless environment of the unlicensed spectrum. Statistical regularity of knowledge, resulting in an unlicensed spectrum resource distribution pattern.

S6: OAM/TCE needs to pass the internal specific unlicensed spectrum resource usage analysis module. Continue to analyze: In the past a new period of time, is the UEs served within the scope of an eNB within the scope of the unlicensed spectrum resources in the range of ideal/satisfaction/achievement? Then decide whether to continue or close the process of MDT measurement unlicensed spectrum wireless environment. If it is decided to continue the process of MDT measurement of the unlicensed spectrum radio environment, the process of reconfiguring the unlicensed spectrum radio environment by MDT is reconfigured. The operator can reconfigure the MDT parameters for each MDT measurement entity according to rules, environments, and conditions, thereby obtaining different MDT measurement result expectations.

The OAM/MME/TCE sends the above-mentioned "unlicensed spectrum resource distribution pattern" to the serving eNB where the UE is located through the control message on the ground interface, such as the S1 interface, so that the eNB subsequently performs non-authorized resource configuration and use on the serving UEs. There is a better reference in the time/space/frequency dimension. The eNB will try to select the time/space/frequency point in which the unlicensed spectrum resources are relatively idle according to the internal comprehensive strategy.

In step S3, the UE can also measure the record carrier energy load indication value, etc.

In addition to the RSSI and carrier energy load indication values, the measurement quantity already defined by the existing MDT technology for the carrier cell in the licensed spectrum may be included, such as the MDT existing measurement object and the result quantity described in the background art: L1/L2/L3 correlation the amount. In the embodiment, the measurement record RSSI is taken as an example for description.

The foregoing embodiments of the present invention provide a method for obtaining an unlicensed spectrum radio environment by using a terminal measurement, and adopting a basic mechanism of the MDT technology in the LTE system. In principle, the OAM/MME/TCE can also allow the eNB node to measure the wireless environment in which the unlicensed spectrum is learned, without performing the MDT-related configuration transmission interaction and the reporting of the measurement result through the air interface control plane process and the terminal. Applicable to the case where the eNB does MDT measurements. However, since the eNBs are usually deployed in a relatively fixed location, only the unlicensed spectrum radio environment around the fixed location of the eNB can be measured, and the UE is usually location-shifted, so that a larger and more dynamic range of non-authorization can be measured. The spectrum radio environment can provide a better reference for the location of the hotspot base station (Hotspot Small Cell) and the utilization of resources in the unlicensed spectrum.

In addition, after performing the MDT measurement result of the UE on the unlicensed spectrum radio environment, the eNB can also directly refer to the eNB through the air interface Uu, without using the S1 ground interface to the upstream network node such as the MME. The eNB may also transmit to other neighboring eNB nodes through the X2 terrestrial interface, so that neighboring eNBs receive those unlicensed spectrum radio environments. The MDT measurement results are directly used for reference in the local area. In summary, both the terminal and the eNB node can perform MDT measurement on the unlicensed spectrum radio environment, and the obtained MDT measurement result can be reported to the upstream network node for summary analysis processing utilization, or can be used locally or after delivery.

Example 1:

S100: The operator A can configure and perform a Logged MDT operation for the UE 1 served by an eNB under the jurisdiction, and learns through the existing radio capability interaction process of the LTE that the UE1 supports the content related to the content of the embodiment of the present invention. The UE 1 in the RRC_IDLE state is free to move within the serving cell of the eNB (configured on the authorized carrier of the operator A), and the internal radio frequency module can support the measurement of the radio condition in the specific unlicensed spectrum.

S101: The OAM/TCE is analyzed by an internal unlicensed spectrum resource usage analysis module: in a certain period of time, the UEs served by the eNB are not ideal for the use of unlicensed spectrum resources in certain physical ranges: for example, LAA The proportion of data offload is small, and the probability of non-authorized resource contention conflict is large, so it is decided to start the process of terminal MDT measurement of unlicensed spectrum radio environment.

S102: The OAM/MME/TCE sends a command (start) and related configuration parameters (such as a physical target to be measured) of the “terminal MDT measurement unlicensed spectrum radio environment” through a control message “minimize the drive test configuration message” on the ground interface S1. The area cell identifier list Cell Id List or the tracking area identifier list TCI List, the unlicensed band range is 5150M Hz-5350M Hz, the MDT measurement period T=10s, and the measurement object is divided into 10 20M sub-bandwidths by 5150M Hz-5350M Hz. The measurement, etc.) is sent to the serving eNB where the UE 1 is currently located.

The eNB sends a command (start) of the "MDT measurement unlicensed spectrum radio environment" and related configuration parameters (ibid.) to the UE 1 through a control message "Minimize Drive Test Configuration Message" on the air interface. The sending and receiving of the above control message can be implemented by the existing control plane data sending and receiving module of the LTE system.

S103: After receiving the command and related configuration parameters of the “terminal MDT measurement unlicensed spectrum radio environment” from the eNB, the UE 1 internally performs Type 1 measurement on the unlicensed spectrum radio environment, and may be measured by the UE internal unlicensed spectrum radio environment. Module to achieve. UE 1 utilizes RRC_IDLE The DRX OFF Period in the state performs RSSI measurement and recording within a specific carrier frequency and bandwidth within the target unlicensed band.

S104: After performing the measurement of the S103 unlicensed spectrum radio environment, the UE 1 triggers and reports the MDT result according to the existing LTE system (Logged MDT Results Available indication, UE Information Request) or UE Information Response (UE information). The response process) reports a series of measurement results of the new MDT that have been recorded, and the eNB reports the MDT series of measurement results to the TCE for analysis.

S105: The OAM/TCE obtains a series of MDT data reported by the UE 1 at the S104, and is analyzed by the internal unlicensed spectrum wireless environment analysis module to find that: in most of the past, in the Small Cell 1, 3, 5 and some other physical locations. In the range of 5150M Hz-5250M Hz unlicensed band, the RSSI measurement statistics are relatively low and stable, thus generating a corresponding unlicensed spectrum resource distribution pattern.

S106: After analyzing the internal unlicensed spectrum resource usage analysis module, the OAM/TCE determines to temporarily shut down the process of the terminal MDT to measure the unlicensed spectrum wireless environment. The OAM/MME/TCE sends the above-mentioned "unlicensed spectrum resource distribution pattern" to the serving eNBs to which the Small Cell 1, 3, 5 belongs through the control message "Unlicensed Spectrum Resource Pattern Info" on the ground interface S1, so that these eNBs are subsequently When the UEs they serve perform non-authorized resource configuration and use, they have better reference in the time/space/frequency/bandwidth dimension.

Example 2:

S200: The operator B can configure and perform an immediate MDT operation for the UE 2 served by an eNB under the jurisdiction of the eNB, and learns that the UE2 supports the content related to the content of the embodiment of the present invention. The UE 2 in the RRC_CONNECTED state is free to move within the serving cell of the eNB (configured on the authorized carrier of the operator B), and the internal radio frequency module can support the measurement of the radio condition in the specific unlicensed spectrum.

UE2 is performing data download service, and is configured by the network into LAA carrier aggregation mode. The center frequency of the LAA secondary cell is 5480 M Hz, and the bandwidth is 20 M, that is, 5470 M Hz-5490 M Hz.

S201: The OAM/TCE is analyzed by an internal specific unlicensed spectrum resource usage analysis module: in a certain period of time, the UEs served by the eNB are not granted to certain physical ranges. The usage of the weight spectrum resource is not ideal: if the LAA data download throughput is small, then the process of starting the terminal MDT to measure the unlicensed spectrum wireless environment is decided.

S202: The OAM/MME/TCE sends a command (start) and related configuration parameters (such as a physical target to be measured) of the “terminal MDT measurement unlicensed spectrum radio environment” through a control message “minimize the drive test configuration message” on the ground interface S1. The area cell identification list Cell Id List or the tracking area identification list TCI List, the unlicensed frequency range is 5490M Hz-5590M Hz, the MDT measurement period T=20s, and the measurement object is divided into 5 20M sub-bands by 5490M Hz-5590M Hz. The measurement, etc.) is sent to the serving eNB where the UE 2 is currently located.

The eNB sends the command (startup) of the "MDT measurement unlicensed spectrum radio environment" and related configuration parameters (same as above) to the UE 2 through the control message "Minimize the drive test configuration message" on the air interface. The sending and receiving of the above control message can be implemented by the existing control plane data sending and receiving module of the LTE system.

S203: After receiving the command and related configuration parameters of the “terminal MDT measurement unlicensed spectrum radio environment” from the eNB, the UE 2 internally performs Type 2 measurement on the unlicensed spectrum radio environment, and may be measured by the UE internal unlicensed spectrum radio environment. Module to achieve. The UE 2 performs RSSI measurement and recording in a specific carrier frequency point and bandwidth in the target unlicensed frequency band by using the measurement gap Measurement Gaps configured in the RRC_CONNECTED state.

S204: The UE 2 performs the measurement of the S203 unlicensed spectrum radio environment, and reports the new record according to the existing MDT result triggering and reporting mode (IM Information Request/UE Information Response process) of the LTE system. The MDT measures a series of measurements, and the eNB reports the MDT series of measurements to the TCE for analysis.

S205: The OAM/TCE obtains a series of MDT data reported by the UE 2 in S204, and is further analyzed by the internal unlicensed spectrum wireless environment analysis module: in the past most of the time, in the Small Cell 2, 4, 8 and some other physical locations. In the range of 5530M Hz-5570M Hz unlicensed frequency band, the RSSI measurement statistics are relatively low and stable, thus generating a corresponding unlicensed spectrum resource distribution pattern.

S206: After analyzing the internal unlicensed spectrum resource usage analysis module, the OAM/TCE determines to temporarily shut down the process of the terminal MDT to measure the unlicensed spectrum wireless environment. The OAM/MME/TCE sends the above-mentioned "unlicensed spectrum resource distribution pattern" to the serving eNBs to which the Small Cell 2, 4, 8 belongs through the control message "Unlicensed Spectrum Resource Pattern Info" on the ground interface S1, so that these eNBs are subsequently When the UEs they serve perform non-authorized resource configuration and use, they have better reference in the time/space/frequency/bandwidth dimension.

Example 3:

S300: The operator C can configure and perform the immediate MDT operation for the UE 3 served by the eNB under the jurisdiction of the eNB, and learns through the existing radio capability interaction procedure of the LTE that the UE3 supports the content related to the content of the embodiment of the present invention. The UE 3 in the RRC_CONNECTED state is free to move within the serving cell of the eNB (configured on the authorized carrier of the operator C), and the internal radio frequency module can support the measurement of the radio condition in the specific unlicensed spectrum.

The UE3 is performing a web surfing service, and is configured by the network into a LAA carrier aggregation mode, wherein the center frequency of the LAA secondary cell is 5500 M Hz, and the bandwidth is 10 M, that is, 5495 M Hz-5505 M Hz.

S301: The OAM/TCE is analyzed by an internal unlicensed spectrum resource usage analysis module: in a certain period of time, the UEs served by the eNB are not ideal for the use of unlicensed spectrum resources in certain physical ranges: The download delay is large, so it is decided to start the process of the terminal MDT to measure the unlicensed spectrum wireless environment.

S302: The OAM/MME/TCE sends a command (start) and related configuration parameters (such as a physical target to be measured) of the “terminal MDT measurement unlicensed spectrum radio environment” through a control message “minimize the drive test configuration message” on the ground interface S1. Area cell identification list Cell Id List or tracking area identification list TCI List, unlicensed frequency range 5490M Hz-5690M Hz (including current LAA working bandwidth 5495M Hz-5505M Hz), MDT measurement period T=15s, so the measurement object is only LAA The current working bandwidth is 5495M Hz-5505M Hz, etc.) is sent to the serving eNB where UE 3 is currently located. The eNB sends a command (startup) of the "MDT measurement unlicensed spectrum radio environment" and related configuration parameters (ibid.) to the UE 3 through the control message "Minimize the drive test configuration message" on the air interface. The sending and receiving of the above control message can be implemented by the existing control plane data sending and receiving module of the LTE system.

S303: After receiving the command and related configuration parameters of the “terminal MDT measurement unlicensed spectrum radio environment” from the eNB, the UE 3 internally performs Type 3 measurement on the unlicensed spectrum radio environment, and may be measured by the UE internal unlicensed spectrum radio environment. Module to achieve. UE 3 utilization In the RRC_CONNECTED state, the DRX Inactive Period performs RSSI measurement and recording within a specific carrier frequency and bandwidth within the target unlicensed band.

S304: After performing the measurement of the S303 unlicensed spectrum radio environment, the UE 3 reports the newly recorded MDT result Available (UE Information Request/UE Information Response process) according to the existing MDT result triggering and UE Information Response process of the LTE system. The MDT measures a series of measurements, and the eNB reports the MDT series of measurements to the TCE for analysis.

S305: The OAM/TCE obtains a series of MDT data reported by the UE 3 in S304, and is further analyzed by the internal unlicensed spectrum wireless environment analysis module: in most of the past, in the Small Cell 10, 13, 16 and some other physical locations. In the range, in the unlicensed frequency band of 5495M Hz-5505M Hz, the RSSI measurement statistics are relatively high and relatively regular, thus generating a corresponding unlicensed spectrum resource distribution pattern.

S306: After analyzing the internal unlicensed spectrum resource usage analysis module, the OAM/TCE determines to continue to perform the process of the terminal MDT measurement of the unlicensed spectrum radio environment. Therefore, the process returns to step S302, and the UE3 or other UEs are reconfigured to the terminal MDT. The process of measuring the unlicensed spectrum wireless environment. At the same time, the OAM/MME/TCE sends the above-mentioned "unlicensed spectrum resource distribution pattern" to the serving eNBs to which the Small Cell 10, 13, 16 belongs, through the control message "Unlicensed Spectrum Resource Overload Info" on the ground interface S1, so that these eNBs are subsequently There is a better reference in the time/space/frequency/bandwidth dimension when configuring and using unlicensed resources for the UEs they serve.

FIG. 6 is a schematic diagram of a terminal according to an embodiment of the present invention. As shown in FIG. 6, the terminal in this embodiment includes:

The first receiving module 61 is configured to: receive a control message, where the control message includes a command to minimize the drive test MDT measurement unlicensed spectrum radio environment and related configuration parameters; the unlicensed spectrum has one or more specific center frequencies a frequency band, carrier or cell synthesis of a point and a specific bandwidth;

The first measurement module 62 is configured to: perform MDT measurement on the unlicensed spectrum wireless environment according to the configuration parameter;

The first reporting module 63 is configured to: report the MDT measurement result, and the MDT measurement result package One or more of the following: a time corresponding to the measurement in the time dimension; an unlicensed frequency point bandwidth corresponding to the measurement in the frequency dimension; a physical position information corresponding to the measurement in the spatial dimension; and a measurement result corresponding to the received signal strength indication value Quantitative value.

In an embodiment, the first measurement module 62 is configured to: if the terminal is in the radio resource control protocol idle RRC_IDLE state, according to the configured physical range to be measured, the effective time limit and the measurement period, in the target non- Within the authorized frequency range, the measurement record or only the measurement records one or more of the following related to the WLAN access node beacon:

RSSI;

Carrier energy load indication value;

Reference signal received power;

Reference signal reception quality;

Protocol layer packet delay;

Protocol layer packet loss rate;

Protocol layer packet loss amount;

Specific data radio bearers data throughput rate;

Specific data radio bearer data throughput;

Mobility related performance indicators.

The first measurement module 62, the measured RSSI and the carrier energy load indication value may be measured in a discontinuous reception off period in the RRC_IDLE state.

In an embodiment, the first measurement module 62 is configured to: if the terminal is in the RRC_CONNECTED state of the RRC connection, and the working frequency and bandwidth in the current unlicensed band and the unlicensed band carrier of the MDT target to be tested If the frequency bands do not coincide, according to the configured physical range to be measured, the effective time limit and the measurement period, within the target unlicensed frequency range, the measurement record or only the measurement records one or more of the following related to the WLAN access node beacon. Kind:

RSSI;

Carrier energy load indication value;

Reference signal received power;

Reference signal reception quality;

Protocol layer packet delay;

Protocol layer packet loss rate;

Protocol layer packet loss amount;

Specific data radio bearers data throughput rate;

Specific data radio bearer data throughput;

Mobility related performance indicators.

In an embodiment, the first measurement module 62 is configured to: if the terminal is in the RRC_CONNECTED state, and the working frequency and bandwidth in the current unlicensed frequency band coincide with all or part of the MDT target unlicensed band carrier frequency band. According to the configured physical range to be measured, the effective time limit and the measurement period, within the working frequency and bandwidth within the currently configured unlicensed frequency band, the measurement record or only the measurement record is related to the WLAN access node beacon. One or more of:

RSSI;

Carrier energy load indication value;

Reference signal received power;

Reference signal reception quality;

Protocol layer packet delay;

Protocol layer packet loss rate;

Protocol layer packet loss amount;

Specific data radio bearers data throughput rate;

Specific data radio bearer data throughput;

Mobility related performance indicators.

The first measurement module 62, the measured signal strength indication value may be measured by using a measurement gap configured in an RRC_CONNECTED state or a discontinuous reception deactivation off period.

FIG. 7 is a schematic diagram of a base station according to an embodiment of the present invention. As shown in FIG. 7, the base station in this embodiment includes:

The second receiving module 71 is configured to: receive a control message, where the control message includes a command and related configuration parameters that minimize the drive test MDT measurement unlicensed spectrum radio environment;

The second measurement module 72 is configured to perform MDT measurement of the unlicensed spectrum wireless environment according to the configuration parameter.

In an embodiment, the base station may further include:

The second reporting module 73 is configured to: report the MDT measurement result, where the MDT measurement result includes one or more of the following: a time corresponding to the measurement in the time dimension; an unlicensed frequency bandwidth corresponding to the measured frequency dimension; a spatial dimension Corresponding measured physical position information; the measurement result corresponds to the quantized value of the received signal strength indication value.

FIG. 8 is a device for obtaining an unlicensed spectrum radio environment according to an embodiment of the present invention. As shown in FIG. 8, the device in this embodiment is deployed on the network side, and may include:

The control module 81 is configured to: send a control message to the base station, where the control message includes a command and related configuration parameters that minimize the drive test MDT measurement unlicensed spectrum radio environment;

The third receiving module 82 is configured to: receive the MDT measurement result.

In an embodiment, the control module 81, when sending the control message to the base station, is implemented under the following conditions: analyzing, within a specified period of time in the past, the terminal served by the base station is not authorized in the range. The use of spectrum resources did not meet the specified criteria.

In an embodiment, the device may further include:

The generating module 83 is configured to: generate an unlicensed spectrum resource distribution pattern according to the MDT measurement result.

In an embodiment, the device may further include:

The sending module 84 is configured to: send the unlicensed spectrum resource distribution pattern to the base station.

Those of ordinary skill in the art will appreciate that all or a portion of the steps of the above-described embodiments can be implemented using a computer program flow, which can be stored in a computer readable storage medium. The computer program is executed on a corresponding hardware platform (eg, system, device, device, device, etc.), and when executed, includes one or a combination of the steps of the method embodiments.

Alternatively, all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.

The devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.

When the device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium. The above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

Industrial applicability

The embodiment of the present invention implements the technical extension of the MDT-related control link by using the existing architecture of the MDT, and the operator can learn the statistical level of the carrier resource load in the unlicensed spectrum through the existing MDT platform and the MDT method extended by the embodiment of the present invention. It is better able to make decisions to deploy and use unlicensed spectrum resources, mitigate wireless interference between different operators' systems, increase the capacity of their respective mobile systems, and increase the data throughput of their respective users.

Claims (18)

1. A method of knowing an unlicensed spectrum wireless environment, comprising:

   Receiving a control message, the control message including a command to minimize a drive test MDT measurement unlicensed spectrum radio environment and related configuration parameters;

   Performing MDT measurement of the unlicensed spectrum wireless environment according to the configuration parameters.
2. The method of claim 1 wherein:

   The unlicensed spectrum is synthesized by one or more frequency bands, carriers or cells having a specific center frequency and a specific bandwidth.
3. The method of claim 1, wherein the performing the MDT measurement of the unlicensed spectrum radio environment according to the configuration parameter further comprises:

   Reporting the MDT measurement result, the MDT measurement result includes one or more of the following:

   Time in the time dimension corresponding to the measurement;

   The unlicensed frequency bandwidth corresponding to the measurement in the frequency dimension;

   Corresponding measured physical location information in the spatial dimension;

   The measurement result corresponds to the quantized value of the received signal strength indication value.
4. The method of claim 1 wherein said performing MDT measurements of an unlicensed spectrum wireless environment based on said configuration parameters comprises:

   If the terminal is in the RRC_IDLE state of the RRC, the measurement record or the measurement record is related to the WLAN access node beacon in the target unlicensed band according to the configured physical range, effective time limit, and measurement period to be measured. One or more of the following:

   Received signal strength indication value;

   Carrier energy load indication value;

   Reference signal received power;

   Reference signal reception quality;

   Protocol layer packet delay;

   Protocol layer packet loss rate;

   Protocol layer packet loss amount;

   Specific data radio bearers data throughput rate;

   Specific data radio bearer data throughput;

   Mobility related performance indicators.
5. The method of claim 4 wherein:

   The measurement received signal strength indication value and the carrier energy load indication value are measured in a discontinuous reception off period in an RRC_IDLE state.
6. The method of claim 1 wherein said performing MDT measurements of an unlicensed spectrum wireless environment based on said configuration parameters comprises:

   If the terminal is in the RRC_CONNECTED state of the RRC connection, and the working frequency and bandwidth in the current unlicensed band do not coincide with the MDT target unlicensed band carrier band, the configured physical range to be measured, the effective time limit and the measurement are performed. Cycle, within the target unlicensed band, the measurement record or only the measurement of one or more of the following related to the WLAN access node beacon:

   Received signal strength indication value;

   Carrier energy load indication value;

   Reference signal received power;

   Reference signal reception quality;

   Protocol layer packet delay;

   Protocol layer packet loss rate;

   Protocol layer packet loss amount;

   Specific data radio bearers data throughput rate;

   Specific data radio bearer data throughput;

   Mobility related performance indicators.
7. The method of claim 1 wherein said performing MDT measurements of an unlicensed spectrum wireless environment based on said configuration parameters comprises:

   If the terminal is in the RRC_CONNECTED state of the RRC connection, and the working frequency and bandwidth in the current unlicensed band overlap with all or part of the MDT target unlicensed band carrier frequency band, the configured physical range to be measured, the effective time limit And the measurement period, within the operating frequency and bandwidth within the currently configured unlicensed band, the measurement record or only the measurement records one or more of the following related to the WLAN access node beacon:

   Received signal strength indication value;

   Carrier energy load indication value;

   Reference signal received power;

   Reference signal reception quality;

   Protocol layer packet delay;

   Protocol layer packet loss rate;

   Protocol layer packet loss amount;

   Specific data radio bearers data throughput rate;

   Specific data radio bearer data throughput;

   Mobility related performance indicators.
8. The method of claim 6 or 7, wherein:

   The measured signal strength indication value and the carrier energy load indication value are measured using a measurement gap configured in an RRC_CONNECTED state or a discontinuous reception deactivation off period.
9. The method of claim 1 wherein: said configuration parameters comprise:

   Physical area to be measured, target unlicensed band range, effective time limit, measurement period and measurement object.
10. A terminal comprising:

    The first receiving module is configured to: receive a control message, where the control message includes a command to minimize the drive test MDT measurement unlicensed spectrum radio environment and related configuration parameters; the unlicensed spectrum has one or more specific center frequency points And frequency band, carrier or cell synthesis with a specific bandwidth;

    a first measurement module, configured to: perform an unlicensed spectrum wireless environment according to the configuration parameter MDT measurement;

    The first reporting module is configured to: report the MDT measurement result, where the MDT measurement result includes one or more of the following: a time corresponding to the measurement in the time dimension; an unlicensed frequency bandwidth corresponding to the measured frequency dimension; and a spatial dimension Corresponding to the measured physical position information; the measurement result corresponds to the quantized value of the received signal strength indication value.
11. A base station comprising:

    a second receiving module, configured to: receive a control message, where the control message includes a command to minimize a drive test MDT measurement unlicensed spectrum radio environment and related configuration parameters;

    The second measurement module is configured to: perform MDT measurement of the unlicensed spectrum wireless environment according to the configuration parameter.
12. The base station of claim 11 further comprising:

    The second reporting module is configured to: report the MDT measurement result, where the MDT measurement result includes one or more of the following: a time corresponding to the measurement in the time dimension; an unlicensed frequency bandwidth corresponding to the measured frequency dimension; and a spatial dimension Corresponding to the measured physical position information; the measurement result corresponds to the quantized value of the received signal strength indication value.
13. A method of knowing an unlicensed spectrum wireless environment, comprising:

    Sending a control message to the base station, the control message including a command to minimize the drive test MDT measurement unlicensed spectrum radio environment and related configuration parameters;

    Receive MDT measurement results.
14. The method of claim 13 wherein said transmitting said control message to the base station is performed under the following conditions:

    It is analyzed that in the past specified time period, the terminal served by the base station within the scope of the base station does not meet the specified standard for the use of the unlicensed spectrum resources in the range.
15. The method according to claim 13 or 14, wherein the receiving the MDT measurement result further comprises:

    Generating an unlicensed spectrum resource distribution pattern according to the MDT measurement result.
16. The method of claim 15 further comprising:

    And transmitting the unlicensed spectrum resource distribution pattern to the base station.
17. A device for knowing an unlicensed spectrum wireless environment, deployed on the network side, includes:

    The control module is configured to: send a control message to the base station, where the control message includes a command and related configuration parameters that minimize the drive test MDT measurement unlicensed spectrum radio environment;

    The third receiving module is configured to: receive the MDT measurement result, where the MDT measurement result includes one or more of the following: a time corresponding to the measurement in the time dimension; an unlicensed frequency bandwidth corresponding to the measured frequency dimension; and a spatial dimension Corresponding to the measured physical position information; the measurement result corresponds to the quantized value of the received signal strength indication value.
18. A computer readable storage medium storing computer executable instructions for performing the method of any one of claims 1-9, 13-16.

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