WO2023039760A1 - 一种无线链路失败检测方法、装置及存储介质 - Google Patents
一种无线链路失败检测方法、装置及存储介质 Download PDFInfo
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- H—ELECTRICITY
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- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
Definitions
- the present disclosure relates to the technical field of wireless communication, and in particular, to a method, device and storage medium for detecting a wireless link failure.
- Non-terrestrial networks Non-terrestrial networks
- Internet of Things Internet of Things
- RRC Radio Resource Control
- RLF Radio Link Failure
- the RLF can be triggered by a set timer, and the purpose of configuring the timer is to determine whether the channel quality can be restored within a certain period of time, so as to reduce the number of times of triggering the RLF.
- the configured timer duration should be relatively small. If the signal of the terminal in the satellite cell is blocked, resulting in low signal strength, the probability of its channel quality recovery is high. In this case, the configured timer should be relatively long.
- the timer in the related art cannot be configured with an appropriate timer duration for both cases where the signal strength of the terminal is low at the edge of the satellite cell and the signal strength of the terminal is blocked in the satellite cell, resulting in low signal strength. If the timer duration is inappropriate, link recovery will be delayed or unnecessary RLF and RRC reconstruction will be added.
- the present disclosure provides a wireless link failure detection method, device and storage medium.
- an RLF detection method is provided, the method is executed by a terminal, including:
- starting a first timer based on the configuration information and the location information of the terminal includes:
- the first timer is started based on the starting condition included in the configuration information and the relative positional relationship between the terminal and the cell.
- starting the first timer based on the configuration information includes:
- the first timer is started based on the start time information of the first timer included in the configuration information.
- starting the first timer based on the configuration information includes:
- a first timer is started after receiving the first number of consecutive out-of-sync indications.
- the starting condition includes that the distance between the terminal and the satellite is greater than a first threshold
- the starting of the first timer based on the starting conditions included in the configuration information and the relative positional relationship between the terminal and the satellite includes:
- the start condition includes one or more of a trigger time and a hysteresis value
- the starting of the first timer based on the starting conditions included in the configuration information and the relative positional relationship between the terminal and the satellite includes:
- starting the first timer based on the starting conditions included in the configuration information and the relative positional relationship between the terminal and the cell includes:
- the distance between the terminal and the cell reference location is greater than a second threshold, and starting the first timer.
- the starting condition is that the distance between the terminal and the reference location of the cell is greater than a second threshold;
- the method further includes:
- the start condition includes one or more of a trigger time and a hysteresis value
- the starting of the first timer based on the starting conditions included in the configuration information and the relative positional relationship between the terminal and the cell includes:
- the hysteresis value Based on at least one of the trigger time, the hysteresis value, and the relative positional relationship between the terminal and the cell, determine to start the first timer.
- the start time information includes a start time threshold.
- the method further includes:
- the method further includes:
- stopping the first timer includes:
- stopping the first timer includes:
- stop the first timer Based on the stop condition included in the configuration information and the relative positional relationship between the terminal and the cell, stop the first timer.
- stopping the first timer includes:
- stopping the first timer includes:
- the first timer is stopped after receiving the second number of consecutive synchronization indications.
- the stopping condition includes that the distance between the terminal and the satellite is less than a fourth threshold
- the stopping the first timer based on the stopping condition included in the configuration information and the relative positional relationship between the terminal and the satellite includes:
- the stop condition includes one or more of a trigger time and a hysteresis value
- the stopping of the first timer based on the stopping condition included in the configuration information and the relative positional relationship between the terminal and the satellite includes:
- stopping the first timer includes:
- the stopping condition is that the distance between the terminal and the cell reference location is greater than the sixth threshold.
- the method further includes:
- the stop condition is that the distance between the terminal and the reference location of the cell is less than a fifth threshold and the second timer is stopped;
- the stop condition includes one or more of a trigger time and a hysteresis value
- the stopping the first timer based on the stopping condition included in the configuration information and the relative positional relationship between the terminal and the cell includes:
- the hysteresis value Based on at least one of the trigger time, the hysteresis value, and the relative positional relationship between the terminal and the cell, determine to stop the first timer.
- the stop time information includes a stop time threshold.
- the method further includes:
- the configuration information includes multiple timer durations, and selection conditions corresponding to each timer duration.
- selecting a first timer duration based on the configuration information and the location information of the terminal includes:
- the duration of the first timer is selected.
- the method further includes:
- Determining configuration information related to detecting RLF, and determining location information of the terminal Determining configuration information related to detecting RLF, and determining location information of the terminal; adjusting a first timer duration based on the configuration information and/or the location information of the terminal, and the adjusted duration of the first timer is used for Detection of the RLF.
- the configuration information includes one or more scaling factors, and selection conditions corresponding to each of the scaling factors.
- adjusting the duration of the first timer based on the configuration information and the location information of the terminal includes:
- a scaling factor is selected, and the duration of the first timer is adjusted based on the scaling factor.
- the duration of the first timer is not adjusted.
- the method further includes:
- the adjusted duration of the first timer times out, and it is determined that RLF is detected.
- a method for detecting a radio link failure RLF is provided, and the method is executed by a network device, including:
- Determining configuration information related to RLF detection sending the configuration information; the configuration information is used for RLF detection.
- the configuration information includes at least one of the following:
- the start time information of the first timer
- the start condition is used to start the first timer
- the stop condition is used to stop the first timer.
- the activation conditions include at least one of the following:
- the distance between the terminal and the satellite is greater than a first threshold
- the distance between the terminal and the reference location of the cell is greater than a second threshold
- the distance between the terminal and the reference location of the cell is less than a third threshold
- the distance between the terminal and the cell reference location is greater than the second threshold and the second timer is started.
- the stop conditions include at least one of the following:
- the distance between the terminal and the satellite is less than a fourth threshold
- the distance between the terminal and the reference location of the cell is less than a fifth threshold
- the distance between the terminal and the reference location of the cell is greater than a sixth threshold
- the distance between the terminal and the cell reference location is less than the fifth threshold and the second timer is started.
- the device also includes selection conditions for selecting the duration of the timer, and the selection conditions include at least one of the following:
- the distance between the terminal and the satellite is greater than the seventh threshold
- the distance between the terminal and the reference location of the cell is greater than an eighth threshold
- the distance between the terminal and the reference location of the cell is less than the ninth threshold
- the distance between the terminal and the cell reference location is greater than the eighth threshold and the second timer is started.
- the device further includes a selection condition for selecting a scaling factor, and the selection condition includes at least one of the following:
- the distance between the terminal and the satellite is greater than a tenth threshold
- the distance between the terminal and the reference location of the cell is greater than an eleventh threshold
- the distance between the terminal and the reference location of the cell is less than a twelfth threshold
- the distance between the terminal and the cell reference location is greater than the eleventh threshold and the second timer is started.
- an apparatus for detecting RLF is provided, and the apparatus is executed by a terminal, including:
- a processing module configured to determine configuration information related to detecting RLF, and determine location information of the terminal; a processing module, configured to start a first timer based on the configuration information and/or location information of the terminal, and the second A timer is used for the detection of the RLF.
- the processing module is used for:
- the first timer is started based on the starting condition included in the configuration information and the relative positional relationship between the terminal and the cell.
- the processing module is used for:
- the first timer is started based on the start time information of the first timer included in the configuration information.
- the processing module is used for:
- a first timer is started after receiving the first number of consecutive out-of-sync indications.
- the starting condition includes that the distance between the terminal and the satellite is greater than a first threshold
- the processing module is used for:
- the start condition includes one or more of a trigger time and a hysteresis value
- the processing module is used for:
- the processing module is used for:
- the processing module is used for:
- the start condition includes one or more of a trigger time and a hysteresis value
- the processing module is used for:
- the hysteresis value Based on at least one of the trigger time, the hysteresis value, and the relative positional relationship between the terminal and the cell, determine to start the first timer.
- the configured startup time information includes a startup time threshold.
- processing module is also used for:
- the processing module is also used for;
- the stop module is configured to stop the first timer when a stop condition is met.
- processing module is also used for:
- processing module is also used for:
- stop the first timer Based on the stop condition included in the configuration information and the relative positional relationship between the terminal and the cell, stop the first timer.
- processing module is also used for:
- processing module is also used for:
- the first timer is stopped after receiving the second number of consecutive synchronization indications.
- the stopping condition includes that the distance between the terminal and the satellite is less than a fourth threshold
- the processing module is also used to:
- the stop condition includes one or more of a trigger time and a hysteresis value
- the processing module is also used to:
- processing module is also used for:
- stop the first timer When it is determined that the distance between the terminal and the cell reference location is greater than a fifth threshold, stop the first timer, where the stop condition is that the distance between the terminal and the cell reference location is less than the fifth threshold; or
- the stopping condition is that the distance between the terminal and the cell reference location is greater than the sixth threshold.
- processing module is also used for:
- the stopping condition is that the distance between the terminal and the reference location of the cell is smaller than the fifth threshold and the second timer stop.
- the stop condition includes one or more of a trigger time and a hysteresis value
- the processing module is also used to:
- the hysteresis value Based on at least one of the trigger time, the hysteresis value, and the relative positional relationship between the terminal and the cell, determine to stop the first timer.
- the configured stop time information includes a stop time threshold
- the processing module is also used to:
- the processing module is configured to determine configuration information related to detecting RLF, and determine location information of the terminal; the selection module is configured to determine configuration information based on the configuration information and/or location information of the terminal , selecting a first timer duration, where the first timer duration is used for detecting the RLF.
- the configuration information includes a plurality of timer durations, and selection conditions corresponding to each timer duration.
- processing module is also used for:
- the duration of the first timer is selected.
- processing module is also used for:
- the processing module is further configured to determine configuration information related to detecting RLF, and determine location information of the terminal; the adjustment module is configured to determine the configuration information based on the configuration information and/or the location information of the terminal , adjusting the duration of the first timer, where the adjusted duration of the first timer is used for detecting the RLF.
- the configuration information includes one or more scaling factors, and selection conditions corresponding to each of the scaling factors.
- processing module is also used for:
- the duration of the first timer is not adjusted.
- processing module is also used for:
- an apparatus for detecting a radio link failure RLF the apparatus being executed by a network device, including:
- a processing module configured to determine configuration information related to RLF detection; a sending module, configured to send the configuration information; the configuration information is used for the RLF detection.
- the configuration information includes at least one of the following:
- the start time information of the first timer
- the start condition is used to start the first timer
- the stop condition is used to stop the first timer.
- the activation conditions include at least one of the following:
- the distance between the terminal and the satellite is greater than a first threshold
- the distance between the terminal and the reference location of the cell is greater than a second threshold
- the distance between the terminal and the reference location of the cell is less than a third threshold
- the distance between the terminal and the cell reference location is greater than the second threshold and the second timer is started.
- the stop conditions include at least one of the following:
- the distance between the terminal and the satellite is less than a fourth threshold
- the distance between the terminal and the reference location of the cell is less than a fifth threshold
- the distance between the terminal and the reference location of the cell is greater than a sixth threshold
- the distance between the terminal and the cell reference location is less than the fifth threshold and the second timer is started.
- the device further includes a selection condition for selecting the duration of the timer, and the selection condition includes at least one of the following:
- the distance between the terminal and the satellite is greater than the seventh threshold
- the distance between the terminal and the reference location of the cell is greater than an eighth threshold
- the distance between the terminal and the reference location of the cell is less than the ninth threshold
- the distance between the terminal and the cell reference location is greater than the eighth threshold and the second timer is started.
- the device further includes a selection condition for selecting a scaling factor, and the selection condition includes at least one of the following:
- the distance between the terminal and the satellite is greater than a tenth threshold
- the distance between the terminal and the reference location of the cell is greater than an eleventh threshold
- the distance between the terminal and the reference location of the cell is less than a twelfth threshold
- the distance between the terminal and the cell reference location is greater than the eleventh threshold and the second timer is started.
- an RLF detection device including:
- a processor a memory for storing processor-executable instructions; wherein, the processor is configured to: execute the first aspect or the RLF detection method described in any one of the implementations of the first aspect, or execute the second aspect Or the RLF detection method described in any one of the implementation manners in the second aspect.
- a computer storage medium for storing instructions, and when the instructions are executed, implement the method described in the first aspect or any one of the implementation manners in the first aspect.
- a computer storage medium for storing instructions, and when the instructions are executed, implement the method described in the second aspect or any one of the implementation manners of the second aspect.
- the technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects: through the present disclosure, according to the location information of the terminal and/or the configuration information of the network device, the first timer to be turned on or the duration of the first timer is determined for detection RLF, so that the appropriate time can be determined based on the location of the terminal, and RLF can be detected within the time corresponding to the location of the terminal, which can reduce the reconstruction of RRC, or ensure the timely recovery of the network transmission environment, so that the terminal can quickly restore the connection with the network or into the idle state.
- Fig. 1 is an architecture diagram of a communication system of a network device and a terminal according to an exemplary embodiment.
- Fig. 2 is a flow chart showing a method for detecting RLF according to an exemplary embodiment.
- Fig. 3 is a flow chart showing a method for detecting RLF according to an exemplary embodiment.
- Fig. 4 is a flow chart showing a method for detecting RLF according to an exemplary embodiment.
- Fig. 5 is a flow chart showing a method for detecting RLF according to an exemplary embodiment.
- Fig. 6 is a flow chart showing a method for detecting RLF according to an exemplary embodiment.
- Fig. 7 is a flow chart showing an RLF detection method according to an exemplary embodiment.
- Fig. 8 is a block diagram of an RLF detection device according to an exemplary embodiment.
- Fig. 9 is a block diagram of an RLF detection device according to an exemplary embodiment.
- Fig. 10 is a block diagram showing a device for RLF detection according to an exemplary embodiment.
- Fig. 11 is a block diagram showing a device for RLF detection according to an exemplary embodiment.
- Fig. 1 is an architecture diagram of a communication system of a network device and a terminal according to an exemplary embodiment.
- the communication method provided by the present disclosure can be applied to the architecture diagram of the communication system shown in FIG. 1 .
- the network side device may send signaling based on the architecture shown in FIG. 1 .
- the communication system between the network equipment and the terminal shown in FIG. 1 is only for schematic illustration, and the wireless communication system may also include other network equipment, such as core network equipment, wireless relay equipment, and wireless backhaul equipment. Transmission equipment, etc. are not shown in Figure 1.
- the embodiment of the present disclosure does not limit the number of network devices and the number of terminals included in the wireless communication system.
- the wireless communication system in the embodiment of the present disclosure is a network that provides a wireless communication function.
- Wireless communication systems can use different communication technologies, such as code division multiple access (CDMA), wideband code division multiple access (WCDMA), time division multiple access (TDMA) , frequency division multiple access (FDMA), orthogonal frequency division multiple access (orthogonal frequency-division multiple access, OFDMA), single carrier frequency division multiple access (single Carrier FDMA, SC-FDMA), carrier sense Multiple Access/Conflict Avoidance (Carrier Sense Multiple Access with Collision Avoidance).
- CDMA code division multiple access
- WCDMA wideband code division multiple access
- TDMA time division multiple access
- FDMA frequency division multiple access
- OFDMA orthogonal frequency division multiple access
- single carrier frequency division multiple access single Carrier FDMA, SC-FDMA
- carrier sense Multiple Access/Conflict Avoidance Carrier Sense Multiple Access with Collision Avoidance
- the network can be divided into 2G (English: generation) network, 3G network, 4G network or future evolution network, such as 5G network, 5G network can also be called a new wireless network ( New Radio, NR).
- 2G International: generation
- 3G network 4G network or future evolution network, such as 5G network
- 5G network can also be called a new wireless network ( New Radio, NR).
- New Radio New Radio
- the present disclosure sometimes simply refers to a wireless communication network as a network.
- the wireless access network device may be: a base station, an evolved base station (evolved node B, base station), a home base station, an access point (access point, AP) in a wireless fidelity (wireless fidelity, WIFI) system, a wireless relay Node, wireless backhaul node, transmission point (transmission point, TP) or transmission and reception point (transmission and reception point, TRP), etc., can also be gNB in the NR system, or it can also be a component or a part of equipment that constitutes a base station wait.
- the network device may also be a vehicle-mounted device.
- V2X vehicle-to-everything
- the network device may also be a vehicle-mounted device. It should be understood that in the embodiments of the present disclosure, no limitation is imposed on the specific technology and specific device form adopted by the network device.
- terminals involved in this disclosure can also be referred to as terminal equipment, user equipment (User Equipment, UE), mobile station (Mobile Station, MS), mobile terminal (Mobile Terminal, MT), etc.
- a device providing voice and/or data connectivity for example, a terminal may be a handheld device with a wireless connection function, a vehicle-mounted device, and the like.
- examples of some terminals are: smart phones (Mobile Phone), pocket computers (Pocket Personal Computer, PPC), handheld computers, personal digital assistants (Personal Digital Assistant, PDA), notebook computers, tablet computers, wearable devices, or Vehicle equipment, etc.
- V2X vehicle-to-everything
- the terminal device may also be a vehicle-mounted device. It should be understood that the embodiment of the present disclosure does not limit the specific technology and specific device form adopted by the terminal.
- non-terrestrial networks that is, the 5G satellite communication network are introduced.
- NTN Non-terrestrial networks
- the service time of each satellite to the terminal is limited, and the terminal will perform handover and cell reselection after a period of time.
- the service time of the satellite to the terminal can be determined through the orbital height of the satellite, different cell coverage radii, and the moving speed of the terminal.
- the orbital altitude of LEO satellites is generally around 600km.
- Non-Geostationary Earth Orbiting (Non-GEO) satellites in NTN move at high speed relative to fixed positions on the earth, resulting in frequent and inevitable switching between stationary terminals and mobile terminals. Frequent cell switching will lead to an increase in signaling overhead, which may also aggravate other potential problems related to mobility, such as service interruption due to signaling delay.
- Non-GEO Non-Geostationary Earth Orbiting
- the maximum time that the terminal can remain connected to the satellite cell is approximated by dividing the cell diameter by the moving speed of the UE relative to the satellite cell.
- the cell size is divided by the relative speed between the UE and the satellite cell.
- the relative speed is the satellite speed plus the UE speed.
- the relative speed is the satellite speed plus the UE speed, which can be described by the following equation:
- Time to connect to the cell cell size (km)/(terminal speed (km/hr)*(1hr/3600s)+satellite speed (km/s))
- Table 1 shows the maximum time that a terminal can be connected to a cell calculated according to the above formula when the cell diameter is 50 km and 1000 km.
- IoT NTN system is involved in the new generation of communication technology.
- IoT terminals under IoT NTN include Narrow Band Internet of Things (NB-IoT) terminals and LTE-evolved IoT technology (LTE enhanced MTO, eMTC) terminals.
- NB-IoT Narrow Band Internet of Things
- eMTC terminals support cell switching, while NB-IoT terminals do not support cell switching, but use RLF to trigger the RRC re-establishment process to realize the conversion of IoT NTN terminal access cells.
- the current research on IoT NTN is based on the positioning function of IoT devices.
- any DAPS bearer is configured, only the target primary cell (PCell) is considered below; when the timer T310 expires, or when T312 expires, or when none of T300, T301, T304, and T311 are running, from the primary cell group (Master Cell group, MCG) MAC random access problem indication, or according to the indication of the MCG radio link layer control protocol (Radio Link Control, RLC) that is allowed to be sent on the PCell, the signaling radio bearer (Signalling Radio Bearers, SRB ) or the data resource bearer (Data Radio Bearer, DRB) has reached the maximum number of retransmissions, considering the detection of a radio link failure of the MCG, that is, RLF is detected.
- RLC Radio Link Control
- SRB Signaling Radio Bearers
- DRB Data Radio Bearer
- NB-IoT In NB-IoT, it starts after receiving N310 consecutive out-of-sync indications, and stops after receiving N311 consecutive sync indications.
- T310 expires, the RRC connection re-establishment process is triggered or the terminal switches to RRC_IDLE, refer to Table 2.
- the value range definition of T310 includes: 0ms, 200ms, 500ms, 1000ms, 2000ms, 4000ms, 8000ms.
- the RLF can be determined up to 8s, but the maximum connection time of a 50km diameter LEO cell is about 6s.
- T310 The larger the value of T310 is, the longer it takes for the UE to detect that the RL downlink is out of sync. During this time, the relevant resources cannot be released in time, nor can it initiate a recovery operation or respond to a new resource establishment request, increasing the possibility of interruption. If T310 is set too small, RLF will be triggered frequently.
- the detection of RLF can be triggered by the set timer, and the purpose of configuring the timer is to wait for the channel quality to recover. If it is located at the edge of the satellite cell and is about to lose the coverage of the satellite cell, it needs to wait for the timer T310 to expire when the line link fails. However, it is difficult to restore the channel quality in these scenarios. If T310 is set too large at this time, the waiting timer will be delayed when the timer expires. Link recovery increases interruption, and power consumption is also required during the RLF detection process, resulting in unnecessary power consumption of IoT devices.
- the timer duration configured by the timer T310 cannot satisfy the timer duration required to detect the RLF when the terminal is in different locations at the same time.
- the present disclosure provides an RLF triggering method, which is applicable to the RLF detection method of the IoT NTN system, and of course also applicable to the detection of other RLFs.
- the RLF detection method provided in this disclosure introduces a new timer duration, selects different timer durations for the position of the terminal relative to the satellite, and starts the timer according to the corresponding timer duration. For example, when the terminal is located at the edge of the satellite cell, a timer duration corresponding to the terminal at the edge of the satellite cell is selected, and the timer is started based on the timer duration to detect RLF. If the timer expires, RLF is detected. When the terminal is far away from the cell edge, the timer duration corresponding to the terminal being far away from the cell edge is selected, and the timer can be started according to the timer duration to detect RLF.
- the RLF detection method provided in the present disclosure can also introduce new timers, and different timers correspond to different positions of the terminal relative to the satellite. According to the position of the terminal relative to the satellite, a corresponding timer is started. For example, when the terminal is located at the edge of the satellite cell, a timer corresponding to the terminal being located at the edge of the satellite cell is selected, and the timer is started to detect RLF. If the timer expires, RLF is detected. When the terminal is far away from the edge of the cell, select a timer corresponding to the fact that the terminal is far away from the edge of the cell, and start the timer to detect RLF. If the timer expires, RLF is detected. On this basis, the timer can also be stopped.
- the RLF detection method provided in this disclosure can also introduce a scaling factor, and use the scaling factor to adjust the timer duration.
- the scaling factor can be used to adjust the timer duration, and based on the adjusted timing The timer detects RLF.
- the multiple RLF detection methods provided by the present disclosure can enable the UE located at the edge of the satellite cell to trigger RLF within an appropriate time, reduce RRC reconstruction, or ensure timely restoration of the network transmission environment, so that the terminal can quickly restore the connection with the network or enter the idle state.
- the terminal starts a timer for detecting RLF failure according to its own location information and network configuration information.
- the terminal starts a timer for detecting RLF failure according to its own location information and network configuration information.
- Fig. 2 is a flow chart showing a method for detecting RLF according to an exemplary embodiment. As shown in FIG. 2 , the RLF detection method is executed by a terminal, and includes the following steps.
- step S11 configuration information related to RLF detection is determined, and location information of the terminal is determined.
- step S12 a first timer is started based on configuration information and/or location information of the terminal.
- the first timer is used for RLF detection.
- the terminal determines the configuration information related to RLF detection configured by the network device, or receives signaling sent by the network device, and determines the configuration information related to RLF detection based on the signaling.
- the signaling may be a broadcast message or a dedicated signaling.
- the terminal obtains the location information of the terminal according to its own Global Navigation Satellite System (GNSS) capability.
- GNSS Global Navigation Satellite System
- the location information of the terminal can also determine its own location information according to the dedicated signaling of the network.
- the terminal determines to start the first timer according to the obtained configuration information related to detecting the RLF and/or the location information of the terminal.
- the first timer for detecting RLF is started based on the starting condition, so that the corresponding first timer detection can be determined based on different positions between the terminal and the satellite.
- RLF can reduce the reconstruction of RRC, or ensure the timely recovery of the network transmission environment, so that the terminal can quickly restore the connection with the network or enter the idle state.
- the activation condition included in the configuration information may be indicated by a network device, or specified by a protocol, as described above, and is not specifically limited here. It can be understood that, if the network device indicates the terminal activation condition, the network device can dynamically indicate or reconfigure the activation condition according to the actual situation.
- the terminal determines to start the first timer based on the configuration information and the location information of the terminal, the following implementation manners may be included.
- the first timer may be started based on the start condition included in the configuration information and the relative positional relationship between the terminal and the satellite.
- the configuration information may also include satellite ephemeris information. According to the ephemeris information and the location information of the terminal, the terminal determines the relative position relationship between the terminal and the satellite.
- the ephemeris information of the satellite may be determined by indicating information sent through the network.
- the ephemeris information of the satellites can also be determined based on the information pre-stored in the SIM card.
- the first timer may be started based on the start condition included in the configuration information and the relative positional relationship between the terminal and the cell.
- the configuration information may also include coverage information of the cell.
- the terminal determines the relative position relationship between the terminal and the cell according to its own location information and the coverage information of the cell. When the relative positional relationship between the terminal and the cell satisfies the starting condition included in the configuration information, start the first timer.
- the position information of the satellite is obtained from the ephemeris information, so as to obtain the relative position relationship between the terminal and the satellite.
- the relative positional relationship between the terminal and the satellite may be the distance between the terminal and the satellite.
- the terminal determines to start the first timer based on the configuration information
- the following implementation manners may be included.
- the configuration information includes information about the second timer, for example, the second timer may be a timer T310 in the related art. If it is determined based on the information of the second timer that the second timer is started, the first timer is started.
- the configuration information includes start time information of the first timer.
- the terminal starts the first timer based on the start time information.
- the configuration information further includes the first value. After receiving a first number of consecutive out-of-sync indications, start a first timer.
- the terminal may start the first timer based on the magnitude of the elevation angle between the terminal and the satellite.
- the starting condition includes that the elevation angle between the terminal and the satellite is greater than or equal to the elevation angle threshold. Then, if the elevation angle between the terminal and the satellite is greater than or equal to the elevation angle threshold, the first timer is started.
- the starting condition includes that the elevation angle between the terminal and the satellite is greater than the elevation angle threshold. Then, when the elevation angle between the terminal and the satellite is greater than the elevation angle threshold, the first timer is started.
- the configuration information also includes the trigger time of the elevation angle, within the trigger time, if the elevation angle between the terminal and the satellite is continuously greater than or equal to the elevation angle threshold, the first timer is started. Alternatively, if the elevation angle between the terminal and the satellite is continuously greater than the elevation angle threshold within the trigger time, the first timer is started.
- the terminal may start the first timer based on the starting condition included in the configuration information and the relative positional relationship between the terminal and the satellite.
- the implementation manner is as follows.
- the starting condition includes that the distance between the terminal and the satellite is greater than a first threshold; then if it is determined that the distance between the terminal and the satellite is greater than the first threshold, start the first timer.
- the starting condition includes that the distance between the terminal and the satellite is greater than or equal to a first threshold; then if it is determined that the distance between the terminal and the satellite is greater than the first threshold, start the first timer.
- the starting condition may also include at least one of a trigger time and a hysteresis value corresponding to the relative position information between the terminal and the satellite.
- the terminal starts the first timer if the distance between the terminal and the satellite continues to be greater than the first threshold within the trigger time, otherwise the first timer is not started.
- the terminal starts the first timer if the distance between the terminal and the satellite continues to be greater than or equal to the first threshold within the trigger time, otherwise the first timer is not started.
- the terminal determines the distance between the terminal and the satellite, it adds (or subtracts) the hysteresis value on the basis of the distance to obtain the corrected distance, and compares the corrected distance with the first The threshold is compared, and based on the comparison result, it is determined to start the first timer.
- the relative positional relationship between the terminal and the satellite can also be obtained based on the location information of the terminal and the coverage information of the cell.
- the relative position relationship between the terminal and the cell may be the distance between the terminal and the reference position of the cell.
- the distance between the terminal and the reference location of the cell may also be the reference location of the terminal relative to the edge of the cell, or the reference location of the terminal relative to the center of the cell.
- the cell is a serving cell where the terminal communicates based on satellites.
- the cell is an adjacent cell where the terminal communicates based on satellites.
- the implementation manner is as follows.
- the cell is a serving cell where the terminal communicates based on satellites.
- the cell is an adjacent cell where the terminal communicates based on satellites.
- the cell center reference position and the cell edge reference position may be acquired based on the cell coverage area.
- the cell coverage area information may be included in the ephemeris information.
- the starting condition includes that the distance between the terminal and the reference location of the cell is greater than a second threshold. Under the starting condition, if the distance between the terminal and the reference location of the cell is greater than the second threshold, the first timer is started.
- the cell reference position is the cell center reference position.
- the starting condition includes that the distance between the terminal and the reference location of the cell is greater than or equal to the second threshold. Under the starting condition, if the distance between the terminal and the reference location of the cell is greater than or equal to the second threshold, the first timer is started.
- the cell reference position is the cell center reference position.
- the starting condition includes that the distance between the terminal and the reference location of the cell is greater than a second threshold and the second timer is started.
- the first timer is started.
- the second timer may be a timer T310.
- the starting condition includes that the distance between the terminal and the reference location of the cell is greater than or equal to a second threshold and the second timer is started.
- the distance between the terminal and the cell reference location is greater than or equal to the second threshold and the second timer is started, start the first timer.
- the second timer may be a timer T310.
- the starting condition further includes one or more of a trigger time and a hysteresis value.
- the trigger time is included in the start condition, within the trigger time, the distance between the terminal and the reference location of the cell continues to be greater than the second threshold, or the distance between the terminal and the reference location of the cell is greater than the second threshold and the second timer is started, then start the second threshold. a timer, otherwise the first timer is not started.
- the trigger time is included in the start condition, within the trigger time, the distance between the terminal and the reference location of the cell is greater than or equal to the second threshold, or the distance between the terminal and the reference location of the cell is greater than or equal to the second threshold and the second timer starts, Then the first timer is started, otherwise the first timer is not started.
- the terminal After determining the distance between the terminal and the cell, the terminal adds (or subtracts) the hysteresis value to the distance to obtain a corrected distance, and compares the corrected distance with the second The threshold is compared, and based on the comparison result, it is determined to start the first timer.
- the starting condition may also include that the distance between the terminal and the reference location of the cell is smaller than a third threshold. Under the starting condition, if the distance between the terminal and the reference location of the cell is smaller than the third threshold, the first timer is started.
- the starting condition may also include that the distance between the terminal and the reference location of the cell is less than or equal to a third threshold. Under the starting condition, if the distance between the terminal and the reference location of the cell is less than or equal to the third threshold, the first timer is started.
- the terminal starts the first timer if the distance between the terminal and the cell reference location is less than the third threshold within the trigger time, otherwise the first timer is not started.
- the terminal After determining the distance between the terminal and the cell, the terminal adds (or subtracts) the hysteresis value to the distance to obtain a corrected distance, and compares the corrected distance with the third The threshold is compared, and based on the comparison result, it is determined to start the first timer.
- the trigger time and/or the hysteresis value may be different or the same in different situations, and are not specifically limited here.
- the implementation manner is as follows.
- the starting condition is met and the first timer is started, it is determined that the RLF is detected when the first timer expires.
- activation conditions may be used alone or in combination, which is not specifically limited here.
- the stop condition included in the configuration information may be indicated by a network device, or specified by a protocol, as described above, and is not specifically limited here. It can be understood that, if the network device indicates the terminal stop condition, the network device may dynamically indicate or reconfigure the stop condition according to the actual situation.
- the terminal determines to stop the first timer based on the configuration information and the location information of the terminal, the following implementation manners may be included.
- the first timer may be stopped based on the stop condition included in the configuration information and the relative positional relationship between the terminal and the satellite.
- the first timer may be stopped based on the stop condition included in the configuration information and the relative positional relationship between the terminal and the cell.
- the position information of the satellite is obtained from the ephemeris information, so as to obtain the relative position relationship between the terminal and the satellite.
- the relative position relationship between the terminal and the satellite may be the distance between the terminal and the satellite, or the distance between the terminal and the cell reference position.
- the cell coverage area information may be included in the ephemeris information.
- the terminal determines to stop the first timer based on the configuration information
- the following implementation manners may be included.
- the configuration information includes information about the second timer, for example, the second timer may be a timer T310 in the related art. If it is determined that the second timer is stopped based on the information of the second timer, the first timer is stopped.
- the configuration information includes stop time information of the first timer.
- the terminal stops the first timer based on the stop time information.
- the configuration information further includes a second value. After receiving a second number of consecutive synchronization indications, stop the first timer.
- the terminal may stop the first timer based on the magnitude of the elevation angle between the terminal and the satellite.
- the stopping condition includes that the elevation angle between the terminal and the satellite is less than or equal to the elevation angle threshold. Then stop the first timer when the elevation angle between the terminal and the satellite is less than or equal to the elevation angle threshold.
- the stopping condition includes that the elevation angle between the terminal and the satellite is smaller than the elevation angle threshold. Then, when the elevation angle between the terminal and the satellite is smaller than the elevation angle threshold, the first timer is stopped.
- the configuration information also includes the trigger time of the elevation angle, within the trigger time, if the elevation angle between the terminal and the satellite is less than or equal to the elevation angle threshold, the first timer is stopped. Or, within the trigger time, if the elevation angle between the terminal and the satellite is smaller than the elevation angle threshold, stop the first timer.
- the terminal may stop the first timer based on the stop condition included in the configuration information and the relative positional relationship between the terminal and the satellite.
- the implementation manner is as follows.
- stop condition includes that the distance between the terminal and the satellite is less than the fourth threshold; then in a case where it is determined that the distance between the terminal and the satellite is less than the fourth threshold, stop the first timer.
- the stopping condition includes that the distance between the terminal and the satellite is less than or equal to the fourth threshold; then in a case where it is determined that the distance between the terminal and the satellite is less than or equal to the fourth threshold, stop the first timer.
- the stop condition may also include at least one of a trigger time and a hysteresis value corresponding to the relative position information between the terminal and the satellite.
- the terminal stops the first timer if the distance between the terminal and the satellite is continuously smaller than the fourth threshold within the trigger time, otherwise the first timer is not stopped.
- the terminal stops the first timer if the distance between the terminal and the satellite is continuously less than or equal to the fourth threshold within the trigger time, otherwise the first timer is not stopped.
- the terminal After determining the distance between the terminal and the satellite, the terminal adds (or subtracts) the hysteresis value on the basis of the distance to obtain a corrected distance, and compares the corrected distance with the fourth The threshold is compared, and based on the comparison result, it is determined to stop the first timer.
- the relative positional relationship between the terminal and the satellite can also be obtained based on the location information of the terminal and the coverage information of the cell.
- the relative positional relationship between the terminal and the cell may be the distance between the terminal and the reference position of the cell.
- the distance between the terminal and the reference location of the cell may also be the reference location of the terminal relative to the edge of the cell, or the reference location of the terminal relative to the center of the cell.
- the cell is a serving cell where the terminal communicates based on satellites.
- the cell is an adjacent cell where the terminal communicates based on satellites.
- the implementation manner is as follows.
- the cell center reference position and the cell edge reference position may be acquired based on the cell coverage area.
- the cell is a serving cell where the terminal communicates based on satellites.
- the cell is an adjacent cell where the terminal communicates based on satellites.
- the cell center reference position and the cell edge reference position may be acquired based on the cell coverage area.
- the stopping condition includes that the distance between the terminal and the reference location of the cell is smaller than the fifth threshold. Under the stopping condition, if the distance between the terminal and the reference location of the cell is smaller than the fifth threshold, the first timer is stopped.
- the cell reference position is the cell center reference position.
- the starting condition includes that the distance between the terminal and the reference location of the cell is less than or equal to the fifth threshold. Under the starting condition, if the distance between the terminal and the reference location of the cell is less than or equal to the fifth threshold, the first timer is stopped.
- the cell reference position is the cell center reference position.
- the stopping condition includes that the distance between the terminal and the reference location of the cell is smaller than the fifth threshold and the second timer is stopped. When the distance between the terminal and the cell reference location is less than the fifth threshold and the second timer is stopped, the first timer is stopped.
- the starting condition includes that the distance between the terminal and the reference location of the cell is less than or equal to the fifth threshold and the second timer is started.
- the first timer is stopped.
- the second timer may be a timer T310.
- the stopping condition further includes one or more of a trigger time and a hysteresis value.
- the trigger time is included in the stop condition, within the trigger time, the distance between the terminal and the reference location of the cell is less than the fifth threshold, or the distance between the terminal and the reference location of the cell is smaller than the fifth threshold and the second timer stops, then stop the first timer, otherwise do not stop the first timer.
- the trigger time is included in the stop condition, within the trigger time, the distance between the terminal and the cell reference location is less than or equal to the fifth threshold, or the distance between the terminal and the cell reference location is less than or equal to the fifth threshold and the second timer stops, Then the first timer is stopped, otherwise the first timer is not stopped.
- the stop condition includes a hysteresis value
- the terminal determines the distance between the terminal and the cell, it adds (or subtracts) the hysteresis value on the basis of the distance to obtain a corrected distance, and combines the corrected distance with the fifth
- the threshold is compared, and based on the comparison result, it is determined to stop the first timer.
- the stopping condition may also include that the distance between the terminal and the reference location of the cell is greater than a sixth threshold. Under the stop condition, if the distance between the terminal and the reference location of the cell is greater than the sixth threshold, stop the first timer.
- the cell reference position is a cell edge reference position.
- the stopping condition may also include that the distance between the terminal and the reference location of the cell is greater than or equal to the sixth threshold. Under the stopping condition, if the distance between the terminal and the reference location of the cell is greater than or equal to the sixth threshold, the first timer is stopped.
- the cell reference position is a cell edge reference position.
- the stop condition also includes one or more of a trigger time and a hysteresis value.
- the terminal stops the first timer if the distance between the terminal and the cell reference location is greater than the sixth threshold within the trigger time, otherwise the first timer is not stopped.
- the terminal stops the first timer if the distance between the terminal and the cell reference location is greater than or equal to the sixth threshold within the trigger time, otherwise, the first timer is not stopped.
- the terminal adds (or subtracts) the hysteresis value to the distance to obtain a corrected distance, and combines the corrected distance with the sixth
- the threshold is compared, and based on the comparison result, it is determined to stop the first timer.
- the implementation manner is as follows.
- the trigger time and/or the hysteresis value may be different or the same in different situations, and are not specifically limited here.
- stop conditions can be used alone or in combination, again not specifically limited.
- the terminal determines the duration of the timer for detecting RLF according to its own location information and network configuration information.
- Fig. 3 is a flow chart showing a method for detecting RLF according to an exemplary embodiment. As shown in FIG. 3 , the RLF detection method is executed by a terminal, and includes the following steps.
- step S21 configuration information related to RLF detection is determined, and location information of the terminal is determined.
- step S22 based on the configuration information and/or the location information of the terminal, the duration of the first timer is selected.
- the duration of the first timer is used for RLF detection.
- the terminal determines the configuration information related to RLF detection configured by the network device, or receives signaling sent by the network device, and determines the configuration information related to RLF detection based on the signaling.
- the signaling may be a broadcast message or a dedicated signaling.
- the terminal selects a corresponding first timer duration according to the obtained configuration information related to detecting the RLF and/or the location information of the terminal.
- the first timer duration for detecting RLF is selected according to the location of the terminal, so that the appropriate timer duration can be determined based on the location of the terminal, and within the time corresponding to the location of the terminal Detecting RLF can reduce RRC reconstruction, or ensure that the network transmission environment is restored in time, so that the terminal can quickly restore the connection with the network or enter the idle state.
- the selection condition for selecting the duration of the timer included in the configuration information may be indicated by a network device, or specified by a protocol, as described above, and is not specifically limited here. It can be understood that, if the network device indicates the terminal selection condition, the network device may dynamically indicate the selection condition according to the actual situation.
- the terminal selects the corresponding first timer duration based on the configuration information and the location information of the terminal, the following implementation manners may be included.
- the corresponding first timer duration may be selected based on the selection condition included in the configuration information and the relative positional relationship between the terminal and the satellite.
- the configuration information includes multiple timer durations and corresponding selection conditions for each timer duration.
- the terminal may select a corresponding first timer duration among multiple timer durations based on the selection condition included in the configuration information and the relative positional relationship between the terminal and the cell.
- the configuration information may also include satellite ephemeris information.
- the terminal determines the relative position relationship between the terminal and the satellite according to the ephemeris information and the position information of the terminal. When the relative positional relationship between the terminal and the satellite satisfies the selection condition included in the configuration information, the corresponding first timer duration is selected.
- the ephemeris information of the satellite may be determined by indicating information sent through the network.
- the ephemeris information of the satellites can also be determined based on the information pre-stored in the SIM card.
- the relative positional relationship between the terminal and the satellite may be the distance between the terminal and the satellite.
- the configuration information may also include coverage information of the cell.
- the terminal determines the relative position relationship between the terminal and the cell according to its own location information and the coverage information of the cell.
- the corresponding first timer duration is selected when the relative position relationship between the terminal and the cell satisfies the selection condition included in the configuration information.
- the distance between the terminal and the reference location of the cell may also be the reference location of the terminal relative to the edge of the cell, or the reference location of the terminal relative to the center of the cell.
- the terminal selects the corresponding first timer duration based on the configuration information, the following implementation manners may be included.
- the terminal may select the corresponding first timer duration based on the magnitude of the elevation angle between the terminal and the satellite.
- the selection condition includes that the elevation angle between the terminal and the satellite is greater than or equal to the elevation angle threshold. Then, in the case that the elevation angle between the terminal and the satellite is greater than or equal to the elevation angle threshold, a corresponding first timer duration is selected.
- the selection condition includes that the elevation angle between the terminal and the satellite is greater than the elevation angle threshold. Then, in the case that the elevation angle between the terminal and the satellite is greater than the elevation angle threshold, a corresponding first timer duration is selected.
- the configuration information also includes the trigger time of the elevation angle, within the trigger time, if the elevation angle between the terminal and the satellite is greater than or equal to the elevation angle threshold, then the corresponding first timer duration is selected. Or within the trigger time, if the elevation angle between the terminal and the satellite is greater than the elevation angle threshold, then a corresponding first timer duration is selected.
- the terminal may select the corresponding first timer duration based on the selection condition included in the configuration information and the relative positional relationship between the terminal and the satellite.
- the selection condition is that the distance between the terminal and the satellite is greater than the seventh threshold, then when it is determined that the distance between the terminal and the satellite is greater than the seventh threshold, a corresponding first timer duration is selected.
- the selection condition is that the distance between the terminal and the satellite is greater than or equal to the seventh threshold, then when it is determined that the distance between the terminal and the satellite is greater than or equal to the seventh threshold, select the corresponding first timing device duration.
- a corresponding second timer duration is selected.
- the specified timer duration is selected as the second timer duration.
- the designated timer may be timer T310.
- a corresponding second timer duration is selected.
- the specified timer duration is selected as the second timer duration.
- the designated timer may be timer T310.
- the selection condition may also include at least one of a trigger time and a hysteresis value corresponding to the relative position information between the terminal and the satellite.
- the selection condition includes trigger time
- the terminal is within the trigger time, and the distance between the terminal and the satellite is continuously greater than the seventh threshold, and the corresponding first timer duration is selected; otherwise, the corresponding second timer duration is selected.
- the selection condition includes a hysteresis value
- the terminal determines the distance between the terminal and the satellite, it adds (or subtracts) the hysteresis value on the basis of the distance to obtain a corrected distance, and compares the corrected distance with the seventh
- the threshold is compared, and the corresponding first timer duration or the corresponding second timer duration is selected based on the comparison result.
- the relative positional relationship between the terminal and the satellite can also be obtained based on the location information of the terminal and the coverage information of the cell.
- the relative position relationship between the terminal and the cell may be the distance between the terminal and the reference position of the cell.
- the distance between the terminal and the reference location of the cell may also be the reference location of the terminal relative to the edge of the cell, or the reference location of the terminal relative to the center of the cell.
- the cell is a serving cell where the terminal communicates based on satellites.
- the cell is an adjacent cell where the terminal communicates based on satellites.
- the cell center reference position and the cell edge reference position may be acquired based on the cell coverage area.
- the cell coverage area information may be included in the ephemeris information.
- the selection condition includes that the distance between the terminal and the reference location of the cell is greater than an eighth threshold. Under the selection condition, if the distance between the terminal and the reference location of the cell is greater than the eighth threshold, a corresponding first timer duration is selected.
- the cell reference position is the cell center reference position.
- the selection condition includes that the distance between the terminal and the reference location of the cell is greater than or equal to the eighth threshold. Under the starting condition, if the distance between the terminal and the reference location of the cell is greater than or equal to the eighth threshold, a corresponding first timer duration is selected.
- the cell reference position is the cell center reference position.
- the selection condition includes that the distance between the terminal and the reference location of the cell is greater than the eighth threshold and the second timer is started.
- the distance between the terminal and the reference location of the cell is greater than the eighth threshold and the second timer is started, a corresponding duration of the first timer is selected.
- the second timer may be a timer T310.
- the selection condition includes that the distance between the terminal and the reference location of the cell is greater than or equal to the eighth threshold and the second timer is started. In the case that the distance between the terminal and the cell reference location is greater than or equal to the eighth threshold and the second timer is selected, a corresponding duration of the first timer is selected.
- the second timer may be a timer T310.
- the selection condition further includes one or more of trigger time and hysteresis value.
- the trigger time is included in the selection condition, within the trigger time, the distance between the terminal and the reference position of the cell is continuously greater than the eighth threshold, or the distance between the terminal and the reference position of the cell is greater than the eighth threshold and the second timer starts, then select the corresponding The duration of the first timer, otherwise select the corresponding duration of the second timer.
- the distance between the terminal and the cell reference location is greater than or equal to the eighth threshold, or the distance between the terminal and the cell reference location is greater than or equal to the eighth threshold and the second timer starts, Then select the corresponding first timer duration, otherwise select the corresponding second timer duration.
- the terminal adds (or subtracts) the hysteresis value to the distance to obtain a corrected distance, and combines the corrected distance with the eighth
- the threshold value is compared, and the corresponding first timer duration is determined and selected based on the comparison result.
- the selection condition may also include that the distance between the terminal and the reference location of the cell is smaller than the ninth threshold. Under the starting condition, if the distance between the terminal and the reference location of the cell is less than the ninth threshold, a corresponding first timer duration is selected.
- the selection condition may further include that the distance between the terminal and the reference location of the cell is less than or equal to the ninth threshold. Under the starting condition, if the distance between the terminal and the reference location of the cell is less than or equal to the ninth threshold, a corresponding first timer duration is selected.
- the activation condition also includes one or more of a trigger time and a hysteresis value.
- the trigger time is included in the start condition, within the trigger time, the distance between the terminal and the cell reference location is less than the ninth threshold, then select the corresponding first timer duration, otherwise select the corresponding second timer duration.
- the hysteresis value is included in the starting condition, after the terminal determines the distance between the terminal and the cell, the hysteresis value is added (or subtracted) to the distance to obtain a corrected distance, and the corrected distance is combined with the ninth
- the threshold value is compared, and the corresponding second timer duration is determined and selected based on the comparison result.
- the trigger time and/or the hysteresis value may be different or the same in different situations, and are not specifically limited here.
- the corresponding first timer duration is selected, and when the first timer duration expires, it is determined that the RLF is detected.
- any selection condition is not satisfied and a default timer duration is selected, it is determined that RLF is detected when the default timer duration expires.
- the default timer duration may be determined by the protocol, network configuration, and terminal implementation.
- selection conditions may be used alone or in combination, again not specifically limited.
- Fig. 4 is a flow chart showing a method for detecting RLF according to an exemplary embodiment. As shown in FIG. 4, the RLF detection method is executed by a terminal, and includes the following steps.
- step S31 configuration information related to RLF detection is determined, and location information of the terminal is determined.
- step S32 the duration of the first timer is adjusted based on the configuration information and/or the location information of the terminal.
- the adjusted duration of the first timer is used for RLF detection.
- the terminal can select a corresponding scaling factor according to the configuration information and/or the location information of the terminal, and adjust the duration of the first timer based on the scaling factor.
- the terminal determines the configuration information related to RLF detection configured by the network device, or receives signaling sent by the network device, and determines the configuration information related to RLF detection based on the signaling.
- the signaling may be a broadcast message or a dedicated signaling.
- the terminal selects the corresponding scaling factor when the selection condition included in the configuration information is satisfied according to the obtained configuration information related to detecting RLF and/or the location information of the terminal.
- the scaling factor for detecting RLF is selected according to the location of the terminal, so that the appropriate timer duration can be determined based on the location of the terminal, and RLF can be detected within the time corresponding to the location of the terminal. It can reduce the reconstruction of RRC, or ensure that the network transmission environment is restored in time, so that the terminal can quickly restore the connection with the network or enter the idle state.
- the selection condition for selecting the corresponding scaling factor included in the configuration information may be indicated by a network device, or specified by a protocol, as described above, and is not specifically limited here. It can be understood that, if the network device indicates the terminal selection condition, the network device may dynamically indicate the selection condition according to the actual situation.
- the configuration information includes one or more scaling factors, and a selection condition corresponding to each scaling factor.
- the terminal selects a corresponding scaling factor based on the configuration information and the location information of the terminal and meets the selection condition included in the configuration information, the following implementation manners may be included.
- the corresponding scaling factor may be selected based on the selection condition included in the configuration information and the relative positional relationship between the terminal and the satellite.
- the configuration information may also include satellite ephemeris information.
- the terminal determines the relative position relationship between the terminal and the satellite according to the ephemeris information and the position information of the terminal. When the relative positional relationship between the terminal and the satellite satisfies the selection condition included in the configuration information, a corresponding scaling factor is selected.
- the ephemeris information of the satellite may be determined by indicating information sent through the network.
- the ephemeris information of the satellites can also be determined based on the information pre-stored in the SIM card.
- the terminal may select a corresponding scaling factor among multiple timer durations based on the selection condition included in the configuration information and the relative positional relationship between the terminal and the cell.
- the position information of the satellite is obtained from the ephemeris information, so as to obtain the relative position relationship between the terminal and the satellite.
- the relative position relationship between the terminal and the satellite may be the distance between the terminal and the satellite, or the distance between the terminal and the cell reference position.
- the terminal selects a corresponding scaling factor based on the configuration information, the following implementation manners may be included.
- the terminal may select a corresponding scaling factor based on the magnitude of the elevation angle between the terminal and the satellite.
- the starting condition includes that the elevation angle between the terminal and the satellite is greater than or equal to the elevation angle threshold. Then, in the case that the elevation angle between the terminal and the satellite is greater than or equal to the elevation angle threshold, the duration of the first timer is adjusted based on a corresponding scaling factor.
- the starting condition includes that the elevation angle between the terminal and the satellite is greater than the elevation angle threshold. Then, when the elevation angle between the terminal and the satellite is greater than the elevation angle threshold, the selection is based on the corresponding scaling factor to adjust the duration of the first timer.
- the configuration information also includes the trigger time of the elevation angle, within the trigger time, if the elevation angle between the terminal and the satellite is greater than or equal to the elevation angle threshold, then the corresponding scaling factor is selected to adjust the duration of the first timer.
- the configuration information also includes the trigger time of the elevation angle, then within the trigger time, if the elevation angle between the terminal and the satellite is greater than the elevation angle threshold, then the corresponding scaling factor is selected to adjust the duration of the first timer.
- the terminal may select and adjust the duration of the first timer based on a corresponding scaling factor based on the selection condition included in the configuration information and the relative positional relationship between the terminal and the satellite.
- the specified timer is T310
- the corresponding scaling factor is multiplied by the duration of T310 to obtain the scaled timer duration
- the scaled timer duration is determined as the first timer duration.
- the selection condition is that the distance between the terminal and the satellite is greater than the tenth threshold
- the selection is based on the corresponding scaling factor, and the first timing is adjusted. device duration.
- the selection condition is that the distance between the terminal and the satellite is greater than or equal to the tenth threshold
- the selection is based on the corresponding scaling factor to adjust the duration of the first timer.
- the second timer duration is selected.
- the specified timer duration is selected as the second timer duration.
- the designated timer may be timer T310.
- the second timer duration is selected.
- the specified timer duration is selected as the second timer duration.
- the designated timer may be timer T310.
- the selection condition may also include at least one of a trigger time and a hysteresis value corresponding to the relative position information between the terminal and the satellite.
- the distance between the terminal and the satellite is continuously greater than the tenth threshold within the trigger time, and the selection is based on a corresponding scaling factor to adjust the duration of the first timer. Otherwise, the duration of the first timer is not adjusted based on the corresponding scaling factor.
- the selection condition includes a hysteresis value
- the terminal determines the distance between the terminal and the satellite, it adds (or subtracts) the hysteresis value on the basis of the distance to obtain a corrected distance, and compares the corrected distance with the tenth Thresholds are compared, and based on the comparison result, a corresponding scaling factor is selected to adjust the duration of the first timer or not to adjust the duration of the first timer.
- the trigger time and/or the hysteresis value may be different or the same in different situations, and are not specifically limited here.
- the configuration information may also include coverage information of the cell.
- the terminal determines the relative position relationship between the terminal and the cell according to its own location information and the coverage information of the cell. When the relative positional relationship between the terminal and the cell satisfies the selection condition included in the configuration information, a corresponding scaling factor is selected.
- the relative positional relationship between the terminal and the satellite can also be obtained based on the location information of the terminal and the coverage information of the cell.
- the relative position relationship between the terminal and the cell may be the distance between the terminal and the reference position of the cell.
- the distance between the terminal and the reference location of the cell may also be the reference location of the terminal relative to the edge of the cell, or the reference location of the terminal relative to the center of the cell.
- the cell is a serving cell where the terminal communicates based on satellites.
- the cell is an adjacent cell where the terminal communicates based on satellites.
- the cell center reference position and the cell edge reference position may be acquired based on the cell coverage area.
- the cell coverage area information may be included in the ephemeris information.
- the selection condition includes that the distance between the terminal and the cell reference location is greater than an eleventh threshold. Under the selection condition, if the distance between the terminal and the reference location of the cell is greater than the eleventh threshold, the duration of the first timer is adjusted.
- the cell reference position is the cell center reference position.
- the selection condition includes that the distance between the terminal and the reference location of the cell is greater than or equal to the eleventh threshold. Under the starting condition, if the distance between the terminal and the reference location of the cell is greater than or equal to the eleventh threshold, the duration of the first timer is adjusted based on the corresponding scaling factor.
- the cell reference position is the cell center reference position.
- the selection condition includes that the distance between the terminal and the reference location of the cell is greater than the eleventh threshold and the second timer is started.
- the duration of the first timer is adjusted based on the corresponding scaling factor.
- the second timer may be a timer T310.
- the selection condition includes that the distance between the terminal and the reference location of the cell is greater than or equal to the eleventh threshold and the second timer is started.
- the duration of the first timer is adjusted based on a corresponding scaling factor.
- the second timer may be a timer T310.
- the selection condition further includes one or more of trigger time and hysteresis value.
- the duration of the first timer is adjusted; otherwise, the duration of the first timer is not adjusted.
- the selection condition includes trigger time, within the trigger time, the distance between the terminal and the cell reference position is greater than or equal to the eleventh threshold, or the distance between the terminal and the cell reference position is greater than or equal to the eleventh threshold and the second timer start, adjust the duration of the first timer based on the corresponding scaling factor; otherwise, do not adjust the duration of the first timer.
- the selection condition includes a hysteresis value
- the terminal determines the distance between the terminal and the cell, it adds (or subtracts) the hysteresis value to the distance to obtain a corrected distance, and compares the corrected distance with the tenth A threshold is compared, and based on the comparison result, it is determined to adjust the duration of the first timer based on a corresponding scaling factor.
- the selection condition may further include that the distance between the terminal and the reference location of the cell is smaller than a twelfth threshold. Under the starting condition, if the distance between the terminal and the reference location of the cell is less than the twelfth threshold, the duration of the first timer is adjusted based on the corresponding scaling factor.
- the selection condition may further include that the distance between the terminal and the reference location of the cell is less than or equal to the twelfth threshold. Under the starting condition, if the distance between the terminal and the reference location of the cell is less than or equal to the twelfth threshold, the duration of the first timer is adjusted based on the corresponding scaling factor.
- the first timer duration is adjusted based on the corresponding scaling factor, otherwise the first timer duration is not adjusted .
- the start condition includes a hysteresis value
- the terminal determines the distance between the terminal and the cell, it adds (or subtracts) the hysteresis value to the distance to obtain a corrected distance, and compares the corrected distance with the tenth
- the two thresholds are compared, and the duration of the first timer is adjusted based on the comparison result to determine a corresponding scaling factor.
- the trigger time and/or the hysteresis value may be different or the same in different situations, and are not specifically limited here.
- the selection condition is satisfied and the corresponding first timer duration is selected, it is determined that the RLF is detected when the first timer duration expires. And execute subsequent processes such as rebuilding the RRC.
- selection conditions may be used alone or in combination, again not specifically limited.
- the trigger time and/or the hysteresis value may be different or the same in different situations, and are not specifically limited here.
- the method provided in the present disclosure can also be used to introduce a new counter and its configuration information, based on the counters such as counters N310 and N311, so as to determine the counters for detecting RLF. Or, based on the method provided in the present disclosure, configure a corresponding scaling factor for the specified counter, select the corresponding scaling factor based on the selection condition of the scaling factor, and determine the counter for detecting RLF based on the corresponding scaling factor. Therefore, RRC reconstruction can be reduced, or the network transmission environment can be restored in time, so that the terminal can quickly restore the connection with the network or enter the idle state.
- Fig. 5 is a flow chart showing a method for detecting RLF according to an exemplary embodiment. As shown in FIG. 5 , the RLF detection method is executed by a network device, and includes the following steps.
- step S41 configuration information related to detecting RLF is determined.
- step S42 configuration information is sent.
- the configuration information is used for RLF detection.
- the network device configures the configuration information related to RLF detection, sends signaling to the terminal based on the signaling, and determines the configuration information related to RLF detection based on the signaling.
- the signaling may be a broadcast message or a dedicated signaling.
- the first timer for detecting RLF is started according to the position of the terminal, so that the corresponding first timer can be determined based on the different positions between the terminal and the satellite to detect RLF, which can Reduce RRC reconstruction, or ensure timely restoration of the network transmission environment, so that the terminal can quickly restore the connection with the network or enter the idle state.
- the network device can dynamically indicate or rebuild the starting condition according to the actual situation.
- the configuration information includes at least one of the following:
- the start time information of the first timer
- the first value is used to start a first timer
- a starting condition the starting condition is used to start the first timer
- Stop condition the stop condition is used to stop the first timer.
- the configuration information also includes satellite ephemeris information.
- the ephemeris information is used to determine the relative positional relationship between the terminal and the satellite.
- the network device sends the ephemeris information of the satellite to the terminal through an indication message.
- the ephemeris information of the satellites can also be determined based on the information pre-stored in the SIM card.
- the activation condition includes at least one of the following:
- the distance between the terminal and the satellite is greater than a first threshold
- the distance between the terminal and the reference location of the cell is greater than the second threshold
- the distance between the terminal and the reference location of the cell is less than a third threshold
- the distance between the terminal and the reference location of the cell is greater than the second threshold and the second timer is started.
- the ephemeris information of the satellites can also be determined based on the information pre-stored in the SIM card.
- the configuration information may also include coverage information of the cell.
- the relative position relationship between the terminal and the satellite may be the distance between the terminal and the satellite, or the distance between the terminal and the cell reference position.
- the configuration information includes the coverage information of the cell.
- the relative position relationship between the terminal and the satellite can be the distance between the terminal and the satellite, or the distance between the terminal and the reference position of the cell.
- the distance between the terminal and the reference location of the cell may also be the reference location of the terminal relative to the edge of the cell, or the reference location of the terminal relative to the center of the cell.
- the starting condition includes that the elevation angle between the terminal and the satellite is greater than or equal to the elevation angle threshold.
- the starting condition includes that the elevation angle between the terminal and the satellite is greater than an elevation angle threshold.
- the distance between the terminal and the satellite may be the distance between the terminal and the cell, or the distance between the terminal and the center reference position of the cell, or the distance between the terminal and the satellite edge reference position.
- the trigger time and/or the hysteresis value may be different or the same in different situations, and are not specifically limited here.
- the startup time threshold included in the configuration information is determined.
- activation conditions may be used alone or in combination, again not specifically limited.
- the stop condition included in the configuration information that the network device may send may also be specified by a protocol. As mentioned above, no specific limitation is made here. It can be understood that, if the network device indicates the terminal stop condition, the network device may dynamically indicate or reconfigure the stop condition according to the actual situation.
- the stop condition includes at least one of the following:
- the distance between the terminal and the satellite is less than the fourth threshold
- the distance between the terminal and the reference location of the cell is less than the fifth threshold
- the distance between the terminal and the reference location of the cell is greater than the sixth threshold
- the distance between the terminal and the cell reference location is less than the fifth threshold and the second timer is started.
- the configuration information may also include coverage information of the cell.
- the configuration information includes information about the second timer, for example, the second timer may be a timer T310 in the related art.
- the configuration information includes stop time information of the first timer.
- the configuration information further includes a second value.
- the second value is used to stop the first timer.
- the stopping condition further includes that the elevation angle between the terminal and the satellite is less than or equal to the elevation angle threshold.
- the stopping condition further includes that the elevation angle between the terminal and the satellite is smaller than the elevation angle threshold.
- the relative position relationship between the terminal and the satellite in the cell can be the distance between the terminal and the satellite, or the distance between the terminal and the reference position of the cell.
- the distance between the terminal and the reference location of the cell may also be the reference location of the terminal relative to the edge of the cell, or the reference location of the terminal relative to the center of the cell.
- the stopping condition may further include that the distance between the terminal and the satellite is less than or equal to a fourth threshold.
- the cell center reference position and the cell edge reference position may be acquired based on the cell coverage area.
- the relative positional relationship between the terminal and the satellite can also be obtained based on the location information of the terminal and the coverage information of the cell.
- the relative position relationship between the terminal and the cell may be the distance between the terminal and the reference position of the cell.
- the distance between the terminal and the reference location of the cell may also be the reference location of the terminal relative to the edge of the cell, or the reference location of the terminal relative to the center of the cell.
- the cell is a serving cell where the terminal communicates based on satellites.
- the cell is an adjacent cell where the terminal communicates based on satellites.
- the stop condition may also be determined based on the relative position between the terminal and the cell.
- the stopping condition includes that the distance between the terminal and the reference location of the cell is greater than a fifth threshold.
- the stopping condition includes that the distance between the terminal and the reference location of the cell is greater than or equal to a fifth threshold.
- the stopping condition includes that the distance between the terminal and the reference location of the cell is less than a fifth threshold and the second timer is stopped.
- the second timer may be a timer T310.
- the stopping condition includes that the distance between the terminal and the reference location of the cell is less than or equal to the fifth threshold and the second timer is stopped.
- the stopping condition may also include that the distance between the terminal and the reference location of the cell is greater than a sixth threshold.
- the stopping condition may also include that the distance between the terminal and the reference location of the cell is greater than or equal to the sixth threshold.
- the trigger time and/or the hysteresis value may be different or the same in different situations, and are not specifically limited here.
- the implementation manner is as follows.
- stop conditions can be used alone or in combination, again not specifically limited.
- the implementation manner is as follows.
- Fig. 6 is a flow chart showing a method for detecting RLF according to an exemplary embodiment. As shown in FIG. 6, the RLF detection method is executed by the network side, and includes the following steps.
- step S51 configuration information related to RLF detection is determined.
- step S52 configuration information is sent.
- the configuration information is used for RLF detection.
- the signaling sent by the network device notifies the terminal of the configuration information related to RLF detection.
- the signaling may be a broadcast message or a dedicated signaling.
- the duration of the first timer for detecting RLF is determined, so that an appropriate time can be determined based on the location of the terminal, and RLF can be detected within a time corresponding to the location of the terminal , can reduce RRC re-establishment, or ensure that the network transmission environment is restored in time, so that the terminal can quickly restore the connection with the network or enter the idle state.
- the selection condition included in the configuration information may be indicated by a network device, or specified by a protocol, as described above, and is not specifically limited here. It can be understood that if the network device indicates the terminal selection condition, the network device may dynamically indicate or reconfigure the selection condition according to the actual situation.
- the selection condition for selecting the duration of the timer includes at least one of the following:
- the distance between the terminal and the satellite is greater than the seventh threshold
- the distance between the terminal and the reference location of the cell is greater than the eighth threshold
- the distance between the terminal and the reference location of the cell is less than the ninth threshold
- the distance between the terminal and the cell reference location is greater than the eighth threshold and the second timer is started.
- the configuration information may also include satellite ephemeris information.
- the network device sends the ephemeris information of the satellite to the terminal through an indication message.
- the configuration information includes the coverage information of the cell.
- the relative position relationship between the terminal and the cell may be the distance between the terminal and the reference position of the cell.
- the distance between the terminal and the reference location of the cell may also be the reference location of the terminal relative to the edge of the cell, or the reference location of the terminal relative to the center of the cell.
- the selection condition includes that the elevation angle between the terminal and the satellite is greater than or equal to the elevation angle threshold.
- the selection condition includes that the elevation angle between the terminal and the satellite is greater than the elevation angle threshold.
- the configuration information also includes the trigger time of the elevation angle.
- the selection condition is satisfied and the corresponding first timer duration is selected, it is determined that the RLF is detected when the first timer duration expires. And execute subsequent processes such as rebuilding the RRC.
- selection conditions may be used alone or in combination, again not specifically limited.
- the configuration information includes the coverage information of the cell.
- the relative position relationship between the terminal and the cell may be the distance between the terminal and the reference position of the cell.
- the distance between the terminal and the reference location of the cell may also be the reference location of the terminal relative to the edge of the cell, or the reference location of the terminal relative to the center of the cell.
- the cell is a serving cell where the terminal communicates based on satellites.
- the cell is an adjacent cell where the terminal communicates based on satellites.
- the cell center reference position and the cell edge reference position may be acquired based on the cell coverage area.
- the cell coverage area information may be included in the ephemeris information.
- the selection condition includes that the distance between the terminal and the reference location of the cell is greater than an eighth threshold.
- the cell reference position is the cell center reference position.
- the selection condition includes that the distance between the terminal and the reference location of the cell is greater than or equal to the eighth threshold.
- the cell reference position is the cell center reference position.
- the selection condition includes that the distance between the terminal and the reference location of the cell is greater than the eighth threshold and the second timer is started.
- the second timer may be a timer T310.
- the selection condition includes that the distance between the terminal and the reference location of the cell is greater than or equal to the eighth threshold and the second timer is started.
- the second timer may be a timer T310.
- the selection condition may also include that the distance between the terminal and the reference location of the cell is smaller than the ninth threshold.
- the selection condition may further include that the distance between the terminal and the reference location of the cell is less than or equal to the ninth threshold.
- the activation condition also includes one or more of a trigger time and a hysteresis value.
- Fig. 7 is a flow chart showing an RLF detection method according to an exemplary embodiment. As shown in FIG. 7 , the RLF detection method is executed by the network side, and includes the following steps.
- step S61 configuration information related to detecting RLF is determined.
- step S62 configuration information is sent.
- configuration information is used for RLF detection.
- the network device sends configured configuration information related to RLF detection.
- the signaling may be a broadcast message or a dedicated signaling.
- the scaling factor for detecting RLF is selected according to the location of the terminal, so that the appropriate timer duration can be determined based on the location of the terminal, and RLF can be detected within the time corresponding to the location of the terminal. It can reduce the reconstruction of RRC, or ensure that the network transmission environment is restored in time, so that the terminal can quickly restore the connection with the network or enter the idle state.
- the configuration information sent by the network device includes a selection condition for selecting a corresponding scaling factor
- the selection condition for selecting a corresponding scaling factor may also be specified by a protocol, as described above, and is not specifically limited here. It can be understood that, if the network device indicates the terminal selection condition, the network device may dynamically indicate the selection condition according to the actual situation.
- the selection condition for selecting the corresponding scaling factor includes at least one of the following:
- the distance between the terminal and the satellite is greater than the tenth threshold
- the distance between the terminal and the reference location of the cell is greater than the eleventh threshold
- the distance between the terminal and the reference location of the cell is less than the twelfth threshold
- the distance between the terminal and the cell reference location is greater than the eleventh threshold and the second timer is started.
- the configuration information includes one or more scaling factors, and a selection condition corresponding to each scaling factor.
- the configuration information may also include satellite ephemeris information.
- the network device sends the ephemeris information of the satellite to the terminal through an indication message.
- the start condition includes that the elevation angle between the terminal and the satellite is greater than or equal to the elevation angle threshold.
- the start condition includes that the elevation angle between the terminal and the satellite is greater than an elevation angle threshold.
- the configuration information also includes the trigger time of the elevation angle.
- the selection condition is that the distance between the terminal and the satellite is greater than the tenth threshold.
- the selection condition is that the distance between the terminal and the satellite is greater than or equal to the tenth threshold.
- the configuration information may also include coverage information of the cell.
- the configuration information includes the coverage information of the cell.
- the relative position relationship between the terminal and the cell may be the distance between the terminal and the reference position of the cell.
- the distance between the terminal and the reference location of the cell may also be the reference location of the terminal relative to the edge of the cell, or the reference location of the terminal relative to the center of the cell.
- the cell is a serving cell where the terminal communicates based on satellites.
- the cell is an adjacent cell where the terminal communicates based on satellites.
- the cell center reference position and the cell edge reference position may be acquired based on the cell coverage area.
- the cell coverage area information may be included in the ephemeris information.
- the selection condition includes that the distance between the terminal and the cell reference location is greater than an eleventh threshold.
- the cell reference position is the cell center reference position.
- the selection condition includes that the distance between the terminal and the reference location of the cell is greater than or equal to the eleventh threshold.
- the cell reference position is the cell center reference position.
- the selection condition includes that the distance between the terminal and the reference location of the cell is greater than the eleventh threshold and the second timer is started.
- the second timer may be a timer T310.
- the selection condition includes that the distance between the terminal and the reference location of the cell is greater than or equal to the eleventh threshold and the second timer is started.
- the second timer may be a timer T310.
- the selection condition may further include that the distance between the terminal and the reference location of the cell is smaller than a twelfth threshold.
- the selection condition may further include that the distance between the terminal and the reference location of the cell is less than or equal to the twelfth threshold.
- the trigger time and/or the hysteresis value may be different or the same in different situations, and are not specifically limited here.
- the selection condition is satisfied and the corresponding first timer duration is selected, it is determined that the RLF is detected when the first timer duration expires. And execute subsequent processes such as rebuilding the RRC.
- the method provided in the present disclosure can also be used to introduce a new counter and its configuration information, based on the counters such as counters N310 and N311, so as to determine the counters for detecting RLF. Or, based on the method provided in the present disclosure, configure a corresponding scaling factor for the specified counter, select the corresponding scaling factor based on the selection condition of the scaling factor, and determine the counter for detecting RLF based on the corresponding scaling factor. Therefore, RRC reconstruction can be reduced, or the network transmission environment can be restored in time, so that the terminal can quickly restore the connection with the network or enter the idle state.
- an embodiment of the present disclosure further provides an RLF detection device.
- the RLF detection apparatus provided in the embodiments of the present disclosure includes corresponding hardware structures and/or software modules for performing various functions.
- the embodiments of the present disclosure can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed by hardware or by computer software driving hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be regarded as exceeding the scope of the technical solutions of the embodiments of the present disclosure.
- Fig. 8 is a block diagram of an RLF detection device according to an exemplary embodiment.
- the apparatus 100 is executed by a terminal and includes a processing module 101 .
- the processing module 101 is configured to determine configuration information related to RLF detection, and determine location information of the terminal.
- the processing module 101 is configured to start a first timer based on configuration information and/or terminal location information, where the first timer is used for RLF detection.
- the processing module 101 is configured to start the first timer based on the start condition included in the configuration information and the relative positional relationship between the terminal and the satellite. or
- the first timer is started based on the starting condition included in the configuration information and the relative positional relationship between the terminal and the cell.
- the processing module 101 is configured to start the first timer based on the information of the second timer included in the configuration information. or
- the first timer is started based on the start time information of the first timer included in the configuration information.
- the processing module 101 is configured to start a first timer after receiving the first number of consecutive out-of-sync indications if the configuration information includes the first value.
- the starting condition includes that the distance between the terminal and the satellite is greater than a first threshold.
- the processing module 101 is configured to start a first timer when it is determined that the distance between the terminal and the satellite is greater than a first threshold.
- the start condition includes one or more of a trigger time and a hysteresis value.
- the processing module 101 is configured to determine to start the first timer based on at least one of a trigger time, a hysteresis value, and a relative positional relationship between the terminal and the satellite.
- the processing module 101 is configured to determine that the distance between the terminal and the reference location of the cell is greater than the second threshold, and start the first timer, wherein the starting condition is that the distance between the terminal and the reference location of the cell is greater than the second threshold . or
- the first timer is started, wherein the starting condition is that the distance between the terminal and the reference location of the cell is smaller than the third threshold.
- the processing module 101 is configured to determine that the distance between the terminal and the reference location of the cell is greater than the second threshold and the second timer is started, and start the first timer, wherein the starting condition is that the distance between the terminal and the reference location of the cell is greater than the second threshold Two thresholds and a second timer starts.
- the start condition includes one or more of a trigger time and a hysteresis value.
- the processing module 101 is configured to determine to start the first timer based on at least one of the trigger time, the hysteresis value, and the relative positional relationship between the terminal and the cell.
- the configured startup time information includes a startup time threshold.
- the processing module 101 is configured to determine to start the first timer based on the start time threshold.
- the processing module 101 is further configured to determine that RLF is detected if the first timer expires.
- the processing module 101 is further configured to stop the first timer when the stop condition is met.
- the processing module 101 is further configured to stop the first timer based on the configuration information and/or the location information of the terminal.
- the processing module 101 is further configured to stop the first timer based on the stop condition included in the configuration information and the relative positional relationship between the terminal and the satellite. Or, stop the first timer based on the stop condition included in the configuration information and the relative positional relationship between the terminal and the cell.
- the processing module 101 is further configured to stop the first timer based on the information of the second timer included in the configuration information. or
- the first timer is stopped based on the stop time information of the first timer included in the configuration information.
- the processing module 101 is further configured to, if the configuration information includes the second value, stop the first timer after receiving the second number of consecutive synchronization indications.
- the stopping condition includes that the distance between the terminal and the satellite is smaller than the fourth threshold.
- the processing module 101 is further configured to stop the first timer when it is determined that the distance between the terminal and the satellite is less than a fourth threshold.
- the stop condition includes one or more of a trigger time and a hysteresis value.
- the processing module 101 is further configured to determine to stop the first timer based on at least one of the trigger time, the hysteresis value, and the relative positional relationship between the terminal and the satellite.
- the processing module 101 is further configured to stop the first timer when it is determined that the distance between the terminal and the reference location of the cell is greater than the fifth threshold, wherein the stopping condition is that the distance between the terminal and the reference location of the cell is less than the fifth threshold. threshold. or
- the stopping condition is that the distance between the terminal and the reference location of the cell is greater than the sixth threshold.
- the processing module 101 is further configured to determine that the distance between the terminal and the cell reference location is greater than the fifth threshold and the second timer is stopped, and stop the first timer, wherein the stop condition is that the distance between the terminal and the cell reference location is less than the fifth threshold five thresholds and the second timer is stopped.
- the stop condition includes one or more of a trigger time and a hysteresis value.
- the processing module 101 is further configured to determine to stop the first timer based on at least one of the trigger time, the hysteresis value, and the relative positional relationship between the terminal and the cell.
- the configured stop time information includes a stop time threshold.
- the processing module 101 is further configured to determine to stop the first timer based on the stop time threshold.
- the processing module is configured to determine configuration information related to RLF detection and determine location information of the terminal.
- the selection module is configured to select a first timer duration based on configuration information and/or terminal location information, and the first timer duration is used for RLF detection.
- the configuration information includes multiple timer durations and corresponding selection conditions for each timer duration.
- the processing module 101 is further configured to select the duration of the first timer based on the selection condition included in the configuration information and the relative positional relationship between the terminal and the satellite. Alternatively, the duration of the first timer is selected based on the selection condition included in the configuration information and the relative positional relationship between the terminal and the cell.
- the processing module 101 is further configured to determine that RLF is detected if the first timer expires.
- the processing module 101 is further configured to determine configuration information related to RLF detection, and determine location information of the terminal.
- the adjustment module is configured to adjust the duration of the first timer based on the configuration information and/or the location information of the terminal, and the adjusted duration of the first timer is used for RLF detection.
- the configuration information includes one or more scaling factors, and a selection condition corresponding to each scaling factor.
- the processing module 101 is further configured to select a scaling factor based on the selection condition included in the configuration information and the relative positional relationship between the terminal and the satellite, and adjust the duration of the first timer based on the scaling factor.
- the scaling factor is determined based on the selection condition included in the configuration information and the relative positional relationship between the terminal and the cell, and the duration of the first timer is adjusted based on the scaling factor.
- the duration of the first timer is not adjusted.
- the processing module 101 is further configured to determine that the RLF is detected if the adjusted first timer duration times out.
- Fig. 9 is a block diagram of an RLF detection device according to an exemplary embodiment.
- the apparatus 200 is executed by a network device, and includes a processing module 201 and a sending module 202 .
- the processing module 201 is configured to determine configuration information related to RLF detection.
- the sending module is used for sending configuration information.
- the configuration information is used for RLF detection.
- the configuration information includes at least one of the following:
- the start time information of the first timer
- the first value is used to start a first timer
- a starting condition the starting condition is used to start the first timer
- Stop condition the stop condition is used to stop the first timer.
- the activation condition includes at least one of the following:
- the distance between the terminal and the satellite is greater than a first threshold
- the distance between the terminal and the reference location of the cell is greater than the second threshold
- the distance between the terminal and the reference location of the cell is less than a third threshold
- the distance between the terminal and the reference location of the cell is greater than the second threshold and the second timer is started.
- the stop condition includes at least one of the following:
- the distance between the terminal and the satellite is less than the fourth threshold
- the distance between the terminal and the reference location of the cell is less than the fifth threshold
- the distance between the terminal and the reference location of the cell is greater than the sixth threshold
- the distance between the terminal and the cell reference location is less than the fifth threshold and the second timer is started.
- the device further includes a selection condition for selecting the duration of the timer, and the selection condition includes at least one of the following:
- the distance between the terminal and the satellite is greater than the seventh threshold
- the distance between the terminal and the reference location of the cell is greater than the eighth threshold
- the distance between the terminal and the reference location of the cell is less than the ninth threshold
- the distance between the terminal and the cell reference location is greater than the eighth threshold and the second timer is started.
- the device further includes a selection condition for selecting a scaling factor, and the selection condition includes at least one of the following:
- the distance between the terminal and the satellite is greater than the tenth threshold
- the distance between the terminal and the reference location of the cell is greater than the eleventh threshold
- the distance between the terminal and the reference location of the cell is less than the twelfth threshold
- the distance between the terminal and the cell reference location is greater than the eleventh threshold and the second timer is started.
- Fig. 10 is a block diagram of an apparatus 300 for RLF detection according to an exemplary embodiment.
- the apparatus 300 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.
- apparatus 300 may include one or more of the following components: processing component 302, memory 304, power component 306, multimedia component 308, audio component 310, input/output (I/O) interface 312, sensor component 314, and communication component 316 .
- the processing component 302 generally controls the overall operations of the device 300, such as those associated with display, telephone calls, data communications, camera operations, and recording operations.
- the processing component 302 may include one or more processors 320 to execute instructions to complete all or part of the steps of the above method. Additionally, processing component 302 may include one or more modules that facilitate interaction between processing component 302 and other components. For example, processing component 302 may include a multimedia module to facilitate interaction between multimedia component 308 and processing component 302 .
- the memory 304 is configured to store various types of data to support operations at the device 300 . Examples of such data include instructions for any application or method operating on device 300, contact data, phonebook data, messages, pictures, videos, and the like.
- the memory 304 can be implemented by any type of volatile or non-volatile storage device or their combination, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk.
- SRAM static random access memory
- EEPROM electrically erasable programmable read-only memory
- EPROM erasable Programmable Read Only Memory
- PROM Programmable Read Only Memory
- ROM Read Only Memory
- Magnetic Memory Flash Memory
- Magnetic or Optical Disk Magnetic Disk
- Power component 306 provides power to various components of device 300 .
- Power components 306 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for device 300 .
- the multimedia component 308 includes a screen that provides an output interface between the device 300 and the user.
- the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user.
- the touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may not only sense a boundary of a touch or swipe action, but also detect duration and pressure associated with the touch or swipe action.
- the multimedia component 308 includes a front camera and/or a rear camera. When the device 300 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front camera and rear camera can be a fixed optical lens system or have focal length and optical zoom capability.
- the audio component 310 is configured to output and/or input audio signals.
- the audio component 310 includes a microphone (MIC), which is configured to receive external audio signals when the device 300 is in operation modes, such as call mode, recording mode and voice recognition mode. Received audio signals may be further stored in memory 304 or sent via communication component 316 .
- the audio component 310 also includes a speaker for outputting audio signals.
- the I/O interface 312 provides an interface between the processing component 302 and a peripheral interface module, which may be a keyboard, a click wheel, a button, and the like. These buttons may include, but are not limited to: a home button, volume buttons, start button, and lock button.
- Sensor assembly 314 includes one or more sensors for providing various aspects of status assessment for device 300 .
- the sensor component 314 can detect the open/closed state of the device 300, the relative positioning of components, such as the display and keypad of the device 300, and the sensor component 314 can also detect a change in the position of the device 300 or a component of the device 300 , the presence or absence of user contact with the device 300 , the device 300 orientation or acceleration/deceleration and the temperature change of the device 300 .
- the sensor assembly 314 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact.
- Sensor assembly 314 may also include an optical sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
- the sensor component 314 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor or a temperature sensor.
- the communication component 316 is configured to facilitate wired or wireless communication between the apparatus 300 and other devices.
- the device 300 can access wireless networks based on communication standards, such as WiFi, 2G or 3G, or a combination thereof.
- the communication component 316 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
- the communication component 316 also includes a near field communication (NFC) module to facilitate short-range communication.
- NFC near field communication
- the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, Infrared Data Association (IrDA) technology, Ultra Wide Band (UWB) technology, Bluetooth (BT) technology and other technologies.
- RFID Radio Frequency Identification
- IrDA Infrared Data Association
- UWB Ultra Wide Band
- Bluetooth Bluetooth
- apparatus 300 may be programmed by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation for performing the methods described above.
- ASICs application specific integrated circuits
- DSPs digital signal processors
- DSPDs digital signal processing devices
- PLDs programmable logic devices
- FPGA field programmable A gate array
- controller microcontroller, microprocessor or other electronic component implementation for performing the methods described above.
- non-transitory computer-readable storage medium including instructions, such as the memory 304 including instructions, which can be executed by the processor 320 of the device 300 to implement the above method.
- the non-transitory computer readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
- Fig. 11 is a block diagram of an apparatus 400 for RLF detection according to an exemplary embodiment.
- the apparatus 400 may be provided as a server.
- apparatus 400 includes processing component 422 , which further includes one or more processors, and a memory resource represented by memory 432 for storing instructions executable by processing component 422 , such as application programs.
- the application program stored in memory 432 may include one or more modules each corresponding to a set of instructions.
- the processing component 422 is configured to execute instructions to perform the above method.
- Device 400 may also include a power component 426 configured to perform power management of device 400 , a wired or wireless network interface 450 configured to connect device 400 to a network, and an input-output (I/O) interface 458 .
- the device 400 can operate based on an operating system stored in the memory 432, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or the like.
- “plurality” in the present disclosure refers to two or more, and other quantifiers are similar thereto.
- “And/or” describes the association relationship of associated objects, indicating that there may be three types of relationships, for example, A and/or B may indicate: A exists alone, A and B exist simultaneously, and B exists independently.
- the character “/” generally indicates that the contextual objects are an “or” relationship.
- the singular forms “a”, “said” and “the” are also intended to include the plural unless the context clearly dictates otherwise.
- first, second, etc. are used to describe various information, but the information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another, and do not imply a specific order or degree of importance. In fact, expressions such as “first” and “second” can be used interchangeably.
- first information may also be called second information, and similarly, second information may also be called first information.
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Abstract
本公开涉及一种无线链路失败检测方法、装置及存储介质。其中,RLF检测方法,所述方法由终端执行,包括:确定与检测RLF相关的配置信息,并确定终端的位置信息;基于所述配置信息和/或所述终端的位置信息,启动第一定时器,所述第一定时器用于所述RLF的检测。通过本公开可以减少RRC的重建,或是保证及时恢复网络传输环境,使得终端能够快速恢复与网络的连接或进入空闲态。
Description
本公开涉及无线通信技术领域,尤其涉及一种无线链路失败检测方法、装置及存储介质。
在新一代通信技术中涉及到非陆地网络(Non-terrestrial networks,NTN)系统和物联网(Internet of Things,IoT)。NTN和IoT NTN下的终端可以通过无线链路失败(Radio Link Failure,RLF),触发无线资源控制(Radio Resource Control,RRC,RRC)重建流程,实现NTN和IoT NTN下终端接入网络。
RLF可以通过设置的定时器触发,其配置定时器的目的是为了确定在一定时间内信道质量是否能恢复,以减少触发RLF的次数。NTN和IoT NTN系统中,如果终端在卫星小区边缘导致信号强度较低,其信道质量恢复的概率低,在这种情况下,配置的定时器时长应该相对较小。如果终端在卫星小区的信号被遮挡,导致信号强度较低,其信道质量恢复的概率高,在这种情况下,配置的定时器时长应该相对较大。而相关技术中的定时器,不能同时针对终端在卫星小区边缘导致信号强度较低和终端在卫星小区的信号被遮挡,导致信号强度较低两种情况配置合适的定时器时长,若配置的定时器时长不合适,则会拖延链路恢复或者增加不必要的RLF和RRC重建。
发明内容
为克服相关技术中存在的问题,本公开提供一种无线链路失败检测方法、装置及存储介质。
根据本公开实施例的第一方面,提供一种RLF检测方法,所述方法由终端执行,包括:
确定与检测RLF相关的配置信息,并确定所述终端的位置信息;基于所述配置信息和/或所述终端的位置信息,启动第一定时器,所述第一定时器用于所述RLF的检测。
一种实施方式中,基于所述配置信息和所述终端的位置信息,启动第一定时器,包括:
基于配置信息包括的启动条件,以及终端与卫星之间的相对位置关系,启动第一定时器;或者
基于配置信息包括的启动条件,以及终端与小区之间的相对位置关系,启动第一定时器。
一种实施方式中,基于所述配置信息,启动第一定时器,包括:
基于所述配置信息中包括的第二定时器的信息,启动第一定时器;或者
基于所述配置信息中包括的第一定时器的启动时间信息,启动第一定时器。
一种实施方式中,基于所述配置信息,启动第一定时器,包括:
若所述配置信息中包括第一数值,则在接收到第一数值次连续不同步指示,启动第一定时器。
一种实施方式中,所述启动条件包括终端与所述卫星之间的距离大于第一阈值;
所述基于配置信息包括的启动条件以及终端与卫星之间的相对位置关系,启动所述第一定时器,包括:
在确定终端与所述卫星之间的距离大于第一阈值的情况下,启动第一定时器。
一种实施方式中,所述启动条件包括触发时间和迟滞值中的一种或多种;
所述基于配置信息包括的启动条件,以及终端与卫星之间的相对位置关系,启动所述第一定时器,包括:
基于所述触发时间、所述迟滞值终端与卫星之间的相对位置关系中的至少一种,确定启动第一定时器。
一种实施方式中,基于配置信息包括的启动条件和终端与小区之间的相对位置关系,启动所述第一定时器,包括:
确定终端与所述小区参考位置的距离大于第二阈值的情况,启动所述第一定时器。其中,所述启动条件为终端与所述小区参考位置的距离大于第二阈值;或
确定终端与所述小区参考位置的距离小于第三阈值,启动所述第一定时器,其中,所述启动条件为所述终端与所述小区参考位置的距离小于所述第三阈值。
一种实施方式中,所述方法还包括:
确定终端与所述小区参考位置距离大于第二阈值且第二定时器启动,启动所述第一定时器,其中,所述启动条件为终端与所述小区参考位置距离大于第二阈值且第二定时器启动。
一种实施方式中,所述启动条件包括触发时间和迟滞值中的一种或多种;
所述基于配置信息包括的启动条件,以及终端与小区之间的相对位置关系,启动所述第一定时器,包括:
基于所述触发时间和所述迟滞值以及终端与小区之间的相对位置关系中的至少一种,确定启动第一定时器。
一种实施方式中,所述启动时间信息包括启动时间门限值。
一种实施方式中,所述方法还包括:
确定所述第一定时器超时,确定检测到RLF。
一种实施方式中,所述方法还包括:
满足停止条件时,停止第一定时器。
一种实施方式中,在满足停止条件时,停止第一定时器,包括:
基于所述配置信息和/或所述终端的位置信息,停止第一定时器。
一种实施方式中,基于所述配置信息和所述终端的位置信息,停止第一定时器,包括:
基于配置信息包括的停止条件,以及终端与卫星之间的相对位置关系,停止第一定时器;或者
基于配置信息包括的停止条件,以及终端与小区之间的相对位置关系,停止第一定时器。
一种实施方式中,基于所述配置信息,停止第一定时器,包括:
基于所述配置信息中包括的第二定时器的信息,停止第一定时器;或者
基于所述配置信息中包括的第一定时器的停止时间信息,停止第一定时器。
一种实施方式中,基于所述配置信息,停止第一定时器,包括:
若所述配置信息中包括第二数值,则在接收到第二数值次连续同步指示,停止第一定时器。
一种实施方式中,所述停止条件包括终端与所述卫星之间的距离小于第四阈值;
所述基于配置信息包括的停止条件以及终端与卫星之间的相对位置关系,停止所述第一定时器,包括:
在确定终端与所述卫星之间的距离小于第四阈值的情况下,停止第一定时器。
一种实施方式中,所述停止条件包括触发时间和迟滞值中的一种或多种;
所述基于配置信息包括的停止条件,以及终端与卫星之间的相对位置关系,停止所述第一定时器,包括:
基于所述触发时间、所述迟滞值以及终端与卫星之间的相对位置关系中的至少一种,确定停止第一定时器。
一种实施方式中,基于配置信息包括的停止条件和终端与小区之间的相对位置关系,停止所述第一定时器,包括:
确定终端与所述小区参考位置的距离大于第五阈值的情况,停止第一定时器,其中,所述停止条件为终端与所述小区参考位置的距离小于第五阈值;或
确定终端与所述小区参考位置的距离小于第六阈值,停止第一定时器,其中,所述停止条件为终端与所述小区参考位置的距离大于第六阈值。
一种实施方式中,所述方法还包括:
确定终端与所述小区参考位置距离大于第五阈值且第二定时器停止,停止第一定时器。其中,所述停止条件为终端与所述小区参考位置距离小于第五阈值且第二定时器停止;。
一种实施方式中,所述停止条件包括触发时间和迟滞值中的一种或多种;
所述基于配置信息包括的停止条件,以及终端与小区之间的相对位置关系,停止所述第一定时器,包括:
基于所述触发时间和所述迟滞值以及终端与小区之间的相对位置关系中的至少一种,确定停止第一定时器。
一种实施方式中,所述停止时间信息包括停止时间门限值。
一种实施方式中,所述方法还包括:
确定与检测RLF相关的配置信息,并确定终端的位置信息;基于所述配置信息和/或所述终端的位置信息,选择第一定时器时长,所述第一定时器时长用于所述RLF的检测。
一种实施方式中,所述配置信息中包括多个定时器时长,以及每个所述定时器时长相应的选择条件。
一种实施方式中,基于所述配置信息和所述终端的位置信息,选择第一定时器时长,包括:
基于配置信息包括的选择条件,以及终端与卫星之间的相对位置关系,选择第一定时器时长;或者
基于配置信息包括的选择条件,以及终端与小区之间的相对位置关系,选择第一定时器时长。
一种实施方式中,所述方法还包括:
确定与检测RLF相关的配置信息,并确定终端的位置信息;基于所述配置信息和/或所述终端的位置信息,调整第一定时器时长,调整后的所述第一定时器时长用于所述RLF的检测。
一种实施方式中,所述配置信息中包括一个或多个缩放因子,以及每个所述缩放因子相应的选择条件。
一种实施方式中,基于所述配置信息和所述终端的位置信息,调整第一定时器时长,包括:
基于所述配置信息包括的选择条件,以及终端与卫星之间的相对位置关系,选择缩放因子,并基于所述缩放因子调整第一定时器时长;或者
基于所述配置信息包括的选择条件,以及终端与小区之间的相对位置关系,选择缩放因子,并基于所述缩放因子调整第一定时器时长。
一种实施方式中,若不满足配置的选择条件,则不调整所述第一定时器时长。
一种实施方式中,所述方法还包括:
调整后的所述第一定时器时长超时,确定检测到RLF。
根据本公开实施例的第二方面,提供一种无线链路失败RLF检测方法,所述方法由网络设备执行,包括:
确定与检测RLF相关的配置信息;发送所述配置信息;所述配置信息用于所述RLF的检测。
一种实施方式中,所述配置信息包括以下至少一种:
第二定时器的信息;
第一定时器的启动时间信息;
第一数值,所述第一数值用于启动所述第一定时器;
启动条件,所述启动条件用于启动所述第一定时器;
停止条件,所述停止条件用于停止所述第一定时器。
一种实施方式中,所述启动条件包括以下至少一种:
终端与所述卫星的距离大于第一阈值;
触发时间;
迟滞值;
终端与所述小区参考位置的距离大于第二阈值;
终端与所述小区参考位置的距离小于第三阈值;
终端与所述小区参考位置距离大于所述第二阈值且所述第二定时器启动。
一种实施方式中,所述停止条件包括以下至少一种:
终端与所述卫星的距离小于第四阈值;
触发时间;
迟滞值;
终端与所述小区参考位置的距离小于第五阈值;
终端与所述小区参考位置的距离大于第六阈值;
终端与所述小区参考位置距离小于所述第五阈值且所述第二定时器启动。
一种实施方式中,所述装置还包括用于选择定时器时长的选择条件,所述选择条件包 括以下至少一种:
终端与所述卫星的距离大于第七阈值;
触发时间;
迟滞值;
终端与所述小区参考位置的距离大于第八阈值;
终端与所述小区参考位置的距离小于第九阈值;
终端与所述小区参考位置距离大于所述第八阈值且所述第二定时器启动。
一种实施方式中,所述装置还包括用于选择缩放因子的选择条件,所述选择条件包括以下至少一种:
终端与所述卫星的距离大于第十阈值;
触发时间;
迟滞值;
终端与所述小区参考位置的距离大于第十一阈值;
终端与所述小区参考位置的距离小于第十二阈值;
终端与所述小区参考位置距离大于所述第十一阈值且所述第二定时器启动。
根据本公开实施例的第三方面,提供一种RLF检测装置,所述装置由终端执行,包括:
处理模块,用于确定与检测RLF相关的配置信息,并确定终端的位置信息;处理模块,用于基于所述配置信息和/或所述终端的位置信息,启动第一定时器,所述第一定时器用于所述RLF的检测。
一种实施方式中,处理模块,用于:
基于配置信息包括的启动条件,以及终端与卫星之间的相对位置关系,启动第一定时器;或者
基于配置信息包括的启动条件,以及终端与小区之间的相对位置关系,启动第一定时器。
一种实施方式中,处理模块,用于:
基于所述配置信息中包括的第二定时器的信息,启动第一定时器;或者
基于所述配置信息中包括的第一定时器的启动时间信息,启动第一定时器。
一种实施方式中,处理模块,用于:
若所述配置信息中包括第一数值,则在接收到第一数值次连续不同步指示,启动第一定时器。
一种实施方式中,所述启动条件包括终端与所述卫星之间的距离大于第一阈值;
所述处理模块,用于:
在确定终端与所述卫星之间的距离大于第一阈值的情况下,启动第一定时器。
一种实施方式中,所述启动条件包括触发时间和迟滞值中的一种或多种;
所述处理模块,用于:
基于所述触发时间、所述迟滞值以及终端与卫星之间的相对位置关系中的至少一种,确定启动第一定时器。
一种实施方式中,处理模块,用于:
确定终端与所述小区参考位置的距离大于第二阈值的情况,启动第一定时器,其中,所述启动条件为终端与所述小区参考位置的距离大于第二阈值;或
确定终端与所述小区参考位置的距离小于第三阈值,启动第一定时器,其中,所述启动条件为终端与所述小区参考位置的距离小于第三阈值。
一种实施方式中,所述处理模块,用于:
确定终端与所述小区参考位置距离大于第二阈值且第二定时器启动,启动第一定时器,其中,所述启动条件为终端与所述小区参考位置距离大于第二阈值且第二定时器启动。
一种实施方式中,所述启动条件包括触发时间和迟滞值中的一种或多种;
所述处理模块,用于:
基于所述触发时间和所述迟滞值以及终端与小区之间的相对位置关系中的至少一种,确定启动第一定时器。
一种实施方式中,所述配置的启动时间信息包括启动时间门限值。
一种实施方式中,所述处理模块还用于:
所述第一定时器超时,确定检测到RLF。
一种实施方式中,所述处理模块还用于;
所述停止模块,用于满足停止条件时,停止第一定时器。
一种实施方式中,所述处理模块还用于:
基于所述配置信息和/或所述终端的位置信息,停止第一定时器。
一种实施方式中,所述处理模块还用于:
基于配置信息包括的停止条件,以及终端与卫星之间的相对位置关系,停止第一定时器;或者
基于配置信息包括的停止条件,以及终端与小区之间的相对位置关系,停止第一定时器。
一种实施方式中,所述处理模块还用于:
基于所述配置信息中包括的第二定时器的信息,停止第一定时器;或者
基于所述配置信息中包括的第一定时器的停止时间信息,停止第一定时器。
一种实施方式中,所述处理模块还用于:
若所述配置信息中包括第二数值,则在接收到第二数值次连续同步指示,停止第一定时器。
一种实施方式中,所述停止条件包括终端与所述卫星之间的距离小于第四阈值;
所述处理模块还用于:
在确定终端与所述卫星之间的距离小于第四阈值的情况下,停止第一定时器。
一种实施方式中,所述停止条件包括触发时间和迟滞值中的一种或多种;
所述处理模块还用于:
基于所述触发时间、所述迟滞值以及终端与卫星之间的相对位置关系中的至少一种,确定停止第一定时器。
一种实施方式中,所述处理模块还用于:
确定终端与所述小区参考位置的距离大于第五阈值的情况下,停止第一定时器,其中,所述停止条件为终端与所述小区参考位置的距离小于第五阈值;或
确定终端与所述小区参考位置的距离小于第六阈值,停止第一定时器,其中,所述停止条件为终端与所述小区参考位置的距离大于第六阈值。
一种实施方式中,所述处理模块还用于:
确定终端与所述小区参考位置距离大于第五阈值且第二定时器停止,停止第一定时器,其中,所述停止条件为终端与所述小区参考位置距离小于第五阈值且第二定时器停止。
一种实施方式中,所述停止条件包括触发时间和迟滞值中的一种或多种;
所述处理模块还用于:
基于所述触发时间和所述迟滞值以及终端与小区之间的相对位置关系中的至少一种,确定停止第一定时器。
一种实施方式中,所述配置的停止时间信息包括停止时间门限值;
所述处理模块还用于:
基于停止时间门限值,确定停止第一定时器。
一种实施方式中,所述处理模块,用于确定与检测RLF相关的配置信息,并确定终端的位置信息;所述选择模块,用于基于所述配置信息和/或所述终端的位置信息,选择第一定时器时长,所述第一定时器时长用于所述RLF的检测。
一种实施方式中,所述配置信息中包括多个定时器时长,以及每个所述定时器时长相 应的选择条件。
一种实施方式中,所述处理模块还用于:
基于配置信息包括的选择条件,以及终端与卫星之间的相对位置关系,选择第一定时器时长;或者
基于配置信息包括的选择条件,以及终端与小区之间的相对位置关系,选择第一定时器时长。
一种实施方式中,所述处理模块还用于:
若所述第一定时器时长超时,确定检测到RLF。
一种实施方式中,所述处理模块还用于确定与检测RLF相关的配置信息,并确定终端的位置信息;所述调整模块,用于基于所述配置信息和/或所述终端的位置信息,调整第一定时器时长,调整后的所述第一定时器时长用于所述RLF的检测。
一种实施方式中,所述配置信息中包括一个或多个缩放因子,以及每个所述缩放因子相应的选择条件。
一种实施方式中,所述处理模块还用于:
基于所述配置信息包括的选择条件,以及终端与卫星之间的相对位置关系,选择缩放因子,并基于所述缩放因子调整第一定时器时长;或者
基于所述配置信息包括的选择条件,以及终端与小区之间的相对位置关系,确定缩放因子,并基于所述缩放因子调整第一定时器时长。
一种实施方式中,若不满足配置的选择条件,则不调整所述第一定时器时长。
一种实施方式中,所述处理模块还用于:
若调整后的所述第一定时器时长超时,确定检测到RLF。
根据本公开实施例的第四方面,提供一种无线链路失败RLF检测装置,所述装置由网络设备执行,包括:
处理模块,用于确定与检测RLF相关的配置信息;发送模块,用于发送所述配置信息;所述配置信息用于所述RLF的检测。
一种实施方式中,所述配置信息包括以下至少一种:
第二定时器的信息;
第一定时器的启动时间信息;
第一数值,所述第一数值用于启动所述第一定时器;
启动条件,所述启动条件用于启动所述第一定时器;
停止条件,所述停止条件用于停止所述第一定时器。
一种实施方式中,所述启动条件包括以下至少一种:
终端与所述卫星的距离大于第一阈值;
触发时间;
迟滞值;
终端与所述小区参考位置的距离大于第二阈值;
终端与所述小区参考位置的距离小于第三阈值;
终端与所述小区参考位置距离大于所述第二阈值且所述第二定时器启动。
一种实施方式中,所述停止条件包括以下至少一种:
终端与所述卫星的距离小于第四阈值;
触发时间;
迟滞值;
终端与所述小区参考位置的距离小于第五阈值;
终端与所述小区参考位置的距离大于第六阈值;
终端与所述小区参考位置距离小于所述第五阈值且所述第二定时器启动。
一种实施方式中,所述装置还包括用于选择定时器时长的选择条件,所述选择条件包括以下至少一种:
终端与所述卫星的距离大于第七阈值;
触发时间;
迟滞值;
终端与所述小区参考位置的距离大于第八阈值;
终端与所述小区参考位置的距离小于第九阈值;
终端与所述小区参考位置距离大于所述第八阈值且所述第二定时器启动。
一种实施方式中,所述装置还包括用于选择缩放因子的选择条件,所述选择条件包括以下至少一种:
终端与所述卫星的距离大于第十阈值;
触发时间;
迟滞值;
终端与所述小区参考位置的距离大于第十一阈值;
终端与所述小区参考位置的距离小于第十二阈值;
终端与所述小区参考位置距离大于所述第十一阈值且所述第二定时器启动。
根据本公开实施例的第五方面,提供一种RLF检测装置,包括:
处理器;用于存储处理器可执行指令的存储器;其中,所述处理器被配置为:执行第一方面或第一方面中任意一种实施方式所述的RLF检测方法,或执行第二方面或第二方面中任意一种实施方式所述的RLF检测方法。
根据本公开实施例的第六方面,提供一种计算机存储介质,用于存储指令,当所述指令被执行时,实现第一方面或第一方面中任意一种实施方式所述的方法。
根据本公开实施例的第七方面,提供一种计算机存储介质,用于存储指令,当所述指令被执行时,实现第二方面或第二方面中任意一种实施方式所述的方法。
本公开的实施例提供的技术方案可以包括以下有益效果:通过本公开根据终端的位置信息和/或网络设备的配置信息,确定开启的第一定时器或第一定时器时长,以用于检测RLF,从而可以基于终端的位置确定合适的时间,在与终端位置相对应的时间内检测RLF,可以减少RRC的重建,或是保证及时恢复网络传输环境,使得终端能够快速恢复与网络的连接或进入空闲态。
应当理解的是,以上的一般描述和后文的细节描述仅是示例性和解释性的,并不能限制本公开。
此处的附图被并入说明书中并构成本说明书的一部分,示出了符合本公开的实施例,并与说明书一起用于解释本公开的原理。
图1是根据一示例性实施例示出的一种网络设备与终端的通信系统架构图。
图2是根据一示例性实施例示出的一种RLF检测方法的流程图。
图3是根据一示例性实施例示出的一种RLF检测方法的流程图。
图4是根据一示例性实施例示出的一种RLF检测方法的流程图。
图5是根据一示例性实施例示出的一种RLF检测方法的流程图。
图6是根据一示例性实施例示出的一种RLF检测方法的流程图。
图7是根据一示例性实施例示出的一种RLF检测方法的流程图。
图8是根据一示例性实施例示出的一种RLF检测装置框图。
图9是根据一示例性实施例示出的一种RLF检测装置框图。
图10是根据一示例性实施例示出的一种用于RLF检测装置的框图。
图11是根据一示例性实施例示出的一种用于RLF检测装置的框图。
这里将详细地对示例性实施例进行说明,其示例表示在附图中。下面的描述涉及附图 时,除非另有表示,不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开相一致的所有实施方式。相反,它们仅是与如所附权利要求书中所详述的、本公开的一些方面相一致的装置和方法的例子。
图1是根据一示例性实施例示出的一种网络设备与终端的通信系统架构图。本公开提供的通信方法可以应用于图1所示的通信系统架构图中。如图1所示,网络侧设备可以基于图1所示的架构发送信令。
可以理解的是,图1所示的网络设备与终端的通信系统仅是进行示意性说明,无线通信系统中还可包括其它网络设备,例如还可以包括核心网设备、无线中继设备和无线回传设备等,在图1中未画出。本公开实施例对该无线通信系统中包括的网络设备数量和终端数量不做限定。
进一步可以理解的是,本公开实施例的无线通信系统,是一种提供无线通信功能的网络。无线通信系统可以采用不同的通信技术,例如码分多址(code division multiple access,CDMA)、宽带码分多址(wideband code division multiple access,WCDMA)、时分多址(time division multiple access,TDMA)、频分多址(frequency division multiple access,FDMA)、正交频分多址(orthogonal frequency-division multiple access,OFDMA)、单载波频分多址(single Carrier FDMA,SC-FDMA)、载波侦听多路访问/冲突避免(Carrier Sense Multiple Access with Collision Avoidance)。根据不同网络的容量、速率、时延等因素可以将网络分为2G(英文:generation)网络、3G网络、4G网络或者未来演进网络,如5G网络,5G网络也可称为是新无线网络(New Radio,NR)。为了方便描述,本公开有时会将无线通信网络简称为网络。
进一步的,本公开中涉及的网络设备也可以称为无线接入网设备。该无线接入网设备可以是:基站、演进型基站(evolved node B,基站)、家庭基站、无线保真(wireless fidelity,WIFI)系统中的接入点(access point,AP)、无线中继节点、无线回传节点、传输点(transmission point,TP)或者发送接收点(transmission and reception point,TRP)等,还可以为NR系统中的gNB,或者,还可以是构成基站的组件或一部分设备等。当为车联网(V2X)通信系统时,网络设备还可以是车载设备。应理解,本公开的实施例中,对网络设备所采用的具体技术和具体设备形态不做限定。
进一步的,本公开中涉及的终端,也可以称为终端设备、用户设备(User Equipment,UE)、移动台(Mobile Station,MS)、移动终端(Mobile Terminal,MT)等,是一种向用户提供语音和/或数据连通性的设备,例如,终端可以是具有无线连接功能的手持式设备、车载设备等。目前,一些终端的举例为:智能手机(Mobile Phone)、口袋计算机(Pocket Personal Computer,PPC)、掌上电脑、个人数字助理(Personal Digital Assistant,PDA)、笔记本电脑、平板电脑、可穿戴设备、或者车载设备等。此外,当为车联网(V2X)通信系统时,终端设备还可以是车载设备。应理解,本公开实施例对终端所采用的具体技术和具体设备形态不做限定。
在新一代通信系统中,例如5G新空口(New Radio,NR)系统,引入了非陆地网络(NTN,Non-terrestrial networks),即,5G卫星通信网。在5G卫星通信网中,由于非同步卫星的移动,每个卫星对终端的服务时间有限,终端经过一段时间就会进行切换和小区重选。其中,可以通过卫星的轨道高度,不同的小区覆盖半径,终端的移动速度,确定卫星对终端的服务时间。LEO卫星的轨道高度一般在600km左右。
NTN中非地球同步轨道/地球静止轨道(Non-Geostationary Earth Orbiting,Non-GEO)卫星相对于地球上的固定位置进行高速运动,导致静止终端与移动终端面临频繁且不可避免的切换。由于频繁的进行小区切换,会导致信令开销的增加,从而还可能会加剧与移动性相关的其他潜在问题,例如由于信令时延导致的业务中断。
对于以恒定速度和方向运动的终端而言,终端能够保持连接到卫星小区的最大时间,近似为用小区直径除以UE相对于卫星小区的移动速度。对于近地轨道/低轨(Low Earth Orbiting,LEO)系统,小区大小除以UE与卫星小区之间的相对速度,当UE的移动方向与卫星相同时,相对速度为卫星速度加上UE速度的相反值,当UE的移动方向与卫星相同时,相对速度为卫星速度加上UE速度,可以由以下方程描述:
连接到小区的时间=小区大小(km)/(终端速度(km/hr)*(1hr/3600s)+卫星速度(km/s))
表1所示为,小区直径为50km和1000km的情况下,根据上式计算出的终端可以连接到一个小区的最长时间。
表1最小/最大小区直径和不同UE速度的HO时间(Time to HO for min/max cell diameter and varying UE speed)
可以理解的是,表1中的每一个元素都是独立存在的,这些元素被示例性的列在同一张表格中,但是并不代表表格中的所有元素必须根据表格中所示的同时存在。其中每一个元素的值,是不依赖于表1中任何其他元素值。因此本领域内技术人员可以理解,该表1中的每一个元素的取值都是一个独立的实施例。
在新一代通信技术中涉及到IoT NTN系统。IoT NTN下的IoT终端包括窄带物联网(Narrow Band Internet of Things,NB-IoT)终端和LTE演进的物联网技术(LTE enhanced MTO,eMTC)终端。eMTC终端支持小区切换,NB-IoT终端不支持小区的切换,而是通过RLF,触发RRC重建流程,实现IoT NTN终端接入小区的转换。目前IoT NTN的研究是基于IoT设备具有定位功能的。
相关技术中,检测RLF的流程为::
如果配置了任何DAPS承载,下面只考虑目标主小区(PCell);当定时器T310到期后,或在T312到期时,或在T300、T301、T304和T311均未运行时,来自主小区组(Master Cell group,MCG)MAC的随机接入问题指示,或根据允许在PCell上发送的MCG无线链路层控制协议(Radio Link Control,RLC)的指示,信令无线承载(Signalling Radio Bearers,SRB)或数据资源承载(Data Radio Bearer,DRB)已达到最大重传次数,考虑检测到MCG的无线电链路故障,即检测到RLF。
在NB-IoT中,在接收到N310次连续不同步指示后启动,在接收到N311连续同步后停止。T310到期时,触发RRC连接重建过程或终端转到RRC_IDLE,可参考表2。
表2
可以理解的是,表2中的每一个元素都是独立存在的,这些元素被示例性的列在同一张表格中,但是并不代表表格中的所有元素必须根据表格中所示的同时存在。其中每一个元素的值,是不依赖于表1中任何其他元素值。因此本领域内技术人员可以理解,该表2中的每一个元素的取值都是一个独立的实施例。
表3
可以理解的是,表3中的每一个元素都是独立存在的,这些元素被示例性的列在同一张表格中,但是并不代表表格中的所有元素必须根据表格中所示的同时存在。其中每一个元素的值,是不依赖于表3中任何其他元素值。因此本领域内技术人员可以理解,该表3中的每一个元素的取值都是一个独立的实施例。
对于NB-IoT设备,T310的值范围定义包括:0ms,200ms,500ms,1000ms,2000ms, 4000ms,8000ms。如上参数所示,在NB-IoT中,根据当前机制中的T310超时确定RLF最高可达8s,但是50km直径的LEO小区最大连接时长约6s左右。
T310设置的越大,UE察觉RL下行失步的时间就越长,此时间内相关资源无法及时释放,也无法发起恢复操作或响应新的资源建立请求,增加发生中断的可能。如果T310设置的过小又会频繁的触发RLF。
对于NTN系统中的NB-IoT UE而言,检测RLF可以通过设置的定时器触发,其配置定时器的目的是为了等待信道质量恢复。如果其位于卫星小区边缘即将失去卫星小区的覆盖,其确定线链路失败需要等待定时器T310超时,但是这些场景下信道质量难以恢复,如果此时T310设置过大,则等待定时器超时会拖延链路恢复,增加中断,而且在检测RLF流程中也需要消耗电量,造成IoT设备不必要的耗电。但是对于处于NTN覆盖范围内的UE来说,如果卫星小区的信号强度被遮挡,则其需要配置一个合适的T310让UE能够有时间等待信道质量恢复,从而避免不必要的RLF。相关技术中,定时器T310配置的定时器时长不能同时满足终端在不同位置时,需要检测RLF的定时器时长。
本公开提供一种RLF触发方法,该RLF触发方法适用于IoT NTN系统的RLF的检测方法,当然也适用于其他RLF的检测。
本公开提供的RLF检测方法,引入新的定时器时长,针对终端相对于卫星的位置,选择不同的定时器时长,并根据与其对应的定时器时长,启动定时器。例如,当终端的位于卫星小区边缘时,则选择与终端位于卫星小区边缘对应的定时器时长,用基于该定时器时长启动定时器来检测RLF。若定时器超时,则检测到RLF。当终端远离小区边缘时,则选择与终端远离小区边缘对应的定时器时长,可以根据该定时器时长启动定时器,来检测RLF。
本公开提供的RLF检测方法,还可以引入新的定时器,不同的定时器对应终端相对于卫星的不同位置。根据终端相对于卫星的位置,启动对应的定时器。例如,当终端的位于卫星小区边缘时,则选择与终端位于卫星小区边缘对应的定时器,并启动该定时器检测RLF。若定时器超时,则检测到RLF。当终端远离小区边缘时,则选择与终端远离小区边缘对应的定时器,并启动该定时器检测RLF。若定时器超时,则检测到RLF。在此基础上还可以停止定时器。
本公开提供的RLF检测方法,还可以引入缩放因子,利用缩放因子调整定时器时长,当终端相对于卫星的位置满足选择条件时,则可以利用缩放因子调整定时器时长,并基于调整后的定时器时长检测RLF。
本公开提供的多个RLF检测方法,能够使得位于卫星小区边缘的UE能够在合适的时 间内触发RLF,减少RRC的重建,或是保证及时恢复网络传输环境,使得终端能够快速恢复与网络的连接或进入空闲态。
在本公开实施例中,终端根据自身的位置信息和网络的配置信息来启动用于检测RLF失败的定时器。下述实施方式中,首先对终端根据自身的位置信息和网络的配置信息来启动用于检测RLF失败的定时器的实施方式进行说明。
图2是根据一示例性实施例示出的一种RLF检测方法的流程图。如图2所示,RLF检测方法,该方法由终端执行,包括以下步骤。
在步骤S11中,确定与检测RLF相关的配置信息,并确定终端的位置信息。
在步骤S12中,基于配置信息和/或终端的位置信息,启动第一定时器。
其中,第一定时器用于RLF的检测。
在本公开实施例中,终端确定网络设备配置的与检测RLF相关的配置信息,或者接收网络设备发送的信令,基于信令确定与检测RLF相关的配置信息。其中,信令可以是广播消息或者专有信令等。
终端根据自身的全球导航卫星系统(Global Navigation Satellite System,GNSS)能力,获取终端的位置信息。其中终端的位置信息还可以根据网络的专有信令确定自身的位置信息。
进一步,终端根据得到的与检测RLF相关的配置信息和/或终端的位置信息,确定启动第一定时器。
通过本公开实施例提供的RLF检测方法,根据终端的位置,基于启动条件启动用于检测RLF的第一定时器,从而可以基于终端与卫星之间的不同位置,确定对应的第一定时器检测RLF,可以减少RRC的重建,或是保证及时恢复网络传输环境,使得终端能够快速恢复与网络的连接或进入空闲态。
其中,配置信息中包括的启动条件可以是由网络设备指示的,也可以是通过协议规定的,如上述,在此不做具体限定。可以理解的是,若由网络设备指示终端启动条件,则网络设备可以根据实际情况动态指示或重配该启动条件。
在本公开实施例中,包括多种启动第一定时器的方式。
若终端基于配置信息和终端的位置信息,确定启动第一定时器,可以包括以下实施方式。
在一种方式中,可以基于配置信息包括的启动条件,以及终端与卫星之间的相对位置关系,启动第一定时器。
在本公开实施例中,配置信息还可以包括卫星的星历信息。终端根据星历信息和终端 的位置信息,确定终端与卫星之间的相对位置关系。
在一种方式中卫星的星历信息可以是通过网络发送的指示信息确定。
在另一种方式中卫星的星历信息也可以基于预存储在SIM卡中的信息确定。
在终端与卫星之间的相对位置关系,满足配置信息中包括的启动条件的情况下,启动第一定时器。
在又一种方式中,可以基于配置信息包括的启动条件,以及终端与小区之间的相对位置关系,启动第一定时器。
在本公开实施例中,配置信息还可以包括小区的覆盖信息。终端根据自身位置信息与小区的覆盖信息,确定终端与小区之间的相对位置关系。在终端与小区之间的相对位置关系,满足配置信息中包括的启动条件的情况下,启动第一定时器。
其中,配置信息中若包括卫星的星历信息,在星历信息中获取卫星的位置信息,从而得到终端与卫星之间的相对位置关系。终端与卫星之间的相对位置关系可以是终端与卫星的距离。
在本公开实施例中,若终端基于配置信息,确定启动第一定时器,可以包括以下实施方式。
在一种方式中,配置信息中包括第二定时器的信息,例如第二定时器可以是相关技术中的定时器T310。若基于第二定时器的信息确定第二定时器启动,则启动第一定时器。
在又一方式中,配置信息中包括第一定时器的启动时间信息。终端基于该启动时间信息,启动第一定时器。
在另一方式中,配置信息中还包括第一数值。在接收到第一数值次连续不同步指示,启动第一定时器。
在本公开实施例中,终端可以基于终端与卫星之间的仰角的大小,启动第一定时器。
其中,若启动条件包括终端与卫星之间的仰角大小大于或等于仰角阈值大小。则在终端与卫星之间的仰角大小大于或等于仰角阈值大小的情况下,则启动第一定时器。
若启动条件包括终端与卫星之间的仰角大小大于仰角阈值大小。则在终端与卫星之间的仰角大小大于仰角阈值大小的情况下,启动第一定时器。
若配置信息中还包括仰角的触发时间,则在触发时间内,终端与卫星之间的仰角大小持续大于或等于仰角阈值大小,则启动第一定时器。或者,在触发时间内,终端与卫星之间的仰角大小持续大于仰角阈值大小,则启动第一定时器。
如上述,终端可以基于配置信息包括的启动条件,以及终端与卫星之间的相对位置关系,启动第一定时器。
在本公开一些实施例中,若基于终端与卫星之间的相对位置,启动第一定时器,则实施方式如下述。
若启动条件包括终端与所述卫星之间的距离大于第一阈值;则在确定终端与卫星之间的距离大于第一阈值的情况下,启动第一定时器。
或者,若启动条件包括终端与所述卫星之间的距离大于或等于第一阈值;则在确定终端与卫星之间的距离大于第一阈值的情况下,启动第一定时器。
其中,启动条件还可以包括终端与卫星之间的相对位置信息对应的触发时间和迟滞值中的至少一种。
若启动条件中包括触发时间,则终端在触发时间内,终端与卫星之间的距离持续大于第一阈值,则启动第一定时器,否则不启动第一定时器。
若启动条件中包括触发时间,则终端在触发时间内,终端与卫星之间的距离持续大于或等于第一阈值,则启动第一定时器,否则不启动第一定时器。
若启动条件中包括迟滞值,则终端确定终端与卫星之间的距离后,在该距离的基础上加上(或减去)迟滞值,得到修正后的距离,将修正后的距离与第一阈值进行比较,基于比较结果确定开启第一定时器。
需要说明的是,上述实施方式可以单独被实施,也可以任意组合一起被实施。
配置信息中若包括小区的覆盖信息,也可以基于终端的位置信息和小区的覆盖信息,得到终端与卫星之间的相对位置关系。如上述,终端与小区之间的相对位置关系可以是终端与小区参考位置的距离。终端与小区参考位置的距离还可以是终端相对于小区边缘参考位置,或终端相对于小区中心参考位置。
一种方式中,小区是终端基于卫星进行通信的服务小区。
另一种方式中,小区是终端基于卫星进行通信的邻小区。
在本公开又一些实施例中,若基于终端与小区之间的相对位置,启动第一定时器,实施方式如下述。
一种方式中,小区是终端基于卫星进行通信的服务小区。
另一种方式中,小区是终端基于卫星进行通信的邻小区。
在本公开实施例中,小区中心参考位置和小区边缘参考位置可以基于小区覆盖区域获取。
在本公开实施例中,小区覆盖区域信息可以包含于星历信息中。
一种方式中,启动条件包括终端与小区参考位置的距离大于第二阈值。再该启动条件下,若终端与小区参考位置的距离大于第二阈值,则启动第一定时器。其中,该小区参考 位置为小区中心参考位置。
另一种方式,启动条件包括终端与小区参考位置的距离大于或等于第二阈值。再该启动条件下,若终端与小区参考位置的距离大于或等于第二阈值,则启动第一定时器。其中,该小区参考位置为小区中心参考位置。
另一种方式,启动条件包括终端与小区参考位置的距离大于第二阈值且第二定时器启动。在终端与小区参考位置的距离大于第二阈值且第二定时器启动的情况下,启动第一定时器。第二定时器可以是定时器T310。
另一种方式,启动条件包括终端与小区参考位置的距离大于或等于第二阈值且第二定时器启动。在终端与小区参考位置的距离大于或等于第二阈值且第二定时器启动的情况下,启动第一定时器。第二定时器可以是定时器T310。
在基于终端与小区之间的相对位置关系,启动第一定时器的情况下,若启动条件还包括触发时间和迟滞值中的一种或多种。
若启动条件中包括触发时间,则终端在触发时间内,终端与小区参考位置的距离持续大于第二阈值,或终端与小区参考位置的距离大于第二阈值且第二定时器启动,则启动第一定时器,否则不启动第一定时器。
若启动条件中包括触发时间,则终端在触发时间内,终端与小区参考位置的距离大于或等于第二阈值,或终端与小区参考位置的距离大于或等于第二阈值且第二定时器启动,则启动第一定时器,否则不启动第一定时器。
若启动条件中包括迟滞值,则终端确定终端与小区之间的距离后,在该距离的基础上加上(或减去)迟滞值,得到修正后的距离,将修正后的距离与第二阈值进行比较,基于比较结果确定开启第一定时器。
另一种方式中,启动条件还可以包括终端与小区参考位置的距离小于第三阈值。再该启动条件下,若终端与小区参考位置的距离小于第三阈值,则启动第一定时器。
另一种方式中,启动条件还可以包括终端与小区参考位置的距离小于或等于第三阈值。在该启动条件下,若终端与小区参考位置的距离小于或等于第三阈值,则启动第一定时器。
若启动条件中包括触发时间,则终端在触发时间内,终端与小区参考位置的距离小于第三阈值,则启动第一定时器,否则不启动第一定时器。
若启动条件中包括迟滞值,则终端确定终端与小区之间的距离后,在该距离的基础上加上(或减去)迟滞值,得到修正后的距离,将修正后的距离与第三阈值进行比较,基于 比较结果确定开启第一定时器。
在本公开实施例中,触发时间和/或迟滞值在不同的情况下取值可以不同,也可以相同,在次不做具体限定。
需要说明的是,上述实施方式可以单独被实施,也可以任意组合一起被实施。
在本公开另一些实施例中,若基于启动时间信息,启动第一定时器,实施方式如下述。
确定配置信息中包括的启动时间门限值,基于启动时间门限值,确定启动第一定时器。例如在启动时间信息超过启动时间门限值的情况下,启动第一定时器。
在本公开实施例中,若满足启动条件,开启第一定时器,则在第一定时器超时,确定检测到RLF。
其中,启动条件可以单独使用,也可以组合使用,在此不做具体限定。
在本公开实施例中,配置信息中包括的停止条件可以是由网络设备指示的,也可以是通过协议规定的,如上述,在此不做具体限定。可以理解的是,若由网络设备指示终端停止条件,则网络设备可以根据实际情况动态指示或重配该停止条件。
在本公开实施例中,包括多种停止第一定时器的方式。
若终端基于配置信息和终端的位置信息,确定停止第一定时器,可以包括以下实施方式。
在一种方式中,可以基于配置信息包括的停止条件,以及终端与卫星之间的相对位置关系,停止第一定时器。
在终端与卫星之间的相对位置关系,满足配置信息中包括的停止条件的情况下,停止第一定时器。
在又一种方式中,可以基于配置信息包括的停止条件,以及终端与小区之间的相对位置关系,停止第一定时器。
其中,配置信息中若包括卫星的星历信息,在星历信息中获取卫星的位置信息,从而得到终端与卫星之间的相对位置关系。终端与卫星之间的相对位置关系可以是终端与卫星的距离、终端与小区参考位置的距离。在本公开实施例中,小区覆盖区域信息可以包含于星历信息中。
在本公开实施例中,若终端基于配置信息,确定停止第一定时器,可以包括以下实施方式。
在一种方式中,配置信息中包括第二定时器的信息,例如第二定时器可以是相关技术中的定时器T310。若基于第二定时器的信息,确定第二定时器停止,则停止第一定时器。
在又一方式中,配置信息中包括第一定时器的停止时间信息。终端基于该停止时间信 息,停止第一定时器。
在另一方式中,配置信息中还包括第二数值。在接收到第二数值次连续同步指示,停止第一定时器。
在本公开实施例中,终端可以基于终端与卫星之间的仰角的大小,停止第一定时器。
其中,若停止条件包括终端与卫星之间的仰角大小小于或等于仰角阈值大小。则在终端与卫星之间的仰角大小小于或等于仰角阈值大小的情况下,停止第一定时器。
若停止条件包括终端与卫星之间的仰角大小小于仰角阈值大小。则在终端与卫星之间的仰角大小小于仰角阈值大小的情况下,停止第一定时器。
若配置信息中还包括仰角的触发时间,则在触发时间内,终端与卫星之间的仰角大小小于或等于仰角阈值大小,则停止第一定时器。或者,在触发时间内,终端与卫星之间的仰角大小小于仰角阈值大小,则停止第一定时器。
如上述,终端可以基于配置信息包括的停止条件,以及终端与卫星之间的相对位置关系,停止第一定时器。
在本公开一些实施例中,若基于终端与小区之间的相对位置,停止第一定时器,则实施方式如下述。
若停止条件包括终端与卫星之间的距离小于第四阈值;则在确定终端与卫星之间的距离小于第四阈值的情况下,停止第一定时器。
或者,若停止条件包括终端与卫星之间的距离小于或等于第四阈值;则在确定终端与卫星之间的距离小于或等于第四阈值的情况下,停止第一定时器。
其中,若停止条件包括终端与卫星之间的距离小于第四阈值,则停止条件还可以包括终端与卫星之间的相对位置信息对应的触发时间和迟滞值中的至少一种。
若停止条件中包括触发时间,则终端在触发时间内,终端与卫星之间的距离持续小于第四阈值,则停止第一定时器,否则不停止第一定时器。
若停止条件中包括触发时间,则终端在触发时间内,终端与卫星之间的距离持续小于或等于第四阈值,则停止第一定时器,否则不停止第一定时器。
若停止条件中包括迟滞值,则终端确定终端与卫星之间的距离后,在该距离的基础上加上(或减去)迟滞值,得到修正后的距离,将修正后的距离与第四阈值进行比较,基于比较结果确定停止第一定时器。
需要说明的是,上述实施方式可以单独被实施,也可以任意组合一起被实施。
配置信息中若包括小区的覆盖信息,也可以基于终端的位置信息和小区的覆盖信息,得到终端与卫星之间的相对位置关系。如上述,终端与小区之间的相对位置关系可以是终 端与小区参考位置的距离。终端与小区参考位置的距离还可以是终端相对于小区边缘参考位置,或终端相对于小区中心参考位置。
一种方式中,小区是终端基于卫星进行通信的服务小区。
另一种方式中,小区是终端基于卫星进行通信的邻小区。
在本公开又一些实施例中,若基于终端与小区之间的相对位置,停止第一定时器,实施方式如下述。
在本公开实施例中,小区中心参考位置和小区边缘参考位置可以基于小区覆盖区域获取。
一种方式中,小区是终端基于卫星进行通信的服务小区。
另一种方式中,小区是终端基于卫星进行通信的邻小区。
在本公开实施例中,小区中心参考位置和小区边缘参考位置可以基于小区覆盖区域获取。
一种方式中,停止条件包括终端与小区参考位置的距离小于第五阈值。再该停止条件下,若终端与小区参考位置的距离小于第五阈值,则停止第一定时器。其中,该小区参考位置为小区中心参考位置。
另一种方式,启动条件包括终端与小区参考位置的距离小于或等于第五阈值。再该启动条件下,若终端与小区参考位置的距离小于或等于第五阈值,则停止第一定时器。其中,该小区参考位置为小区中心参考位置。
另一种方式,停止条件包括终端与小区参考位置的距离小于第五阈值且第二定时器停止。在终端与小区参考位置的距离小于第五阈值且第二定时器停止的情况下,停止第一定时器。
另一种方式,启动条件包括终端与小区参考位置的距离小于或等于第五阈值且第二定时器启动。在终端与小区参考位置的距离小于或等于第五阈值且第二定时器停止的情况下,停止第一定时器。第二定时器可以是定时器T310。
在基于终端与小区之间的相对位置关系,停止第一定时器的情况下,若停止条件还包括触发时间和迟滞值中的一种或多种。
若停止条件中包括触发时间,则终端在触发时间内,终端与小区参考位置的距离小于第五阈值,或终端与小区参考位置的距离小于第五阈值且第二定时器停止,则停止第一定时器,否则不停止第一定时器。
若停止条件中包括触发时间,则终端在触发时间内,终端与小区参考位置的距离小于或等于第五阈值,或终端与小区参考位置的距离小于或等于第五阈值且第二定时器停止, 则停止第一定时器,否则不停止第一定时器。
若停止条件中包括迟滞值,则终端确定终端与小区之间的距离后,在该距离的基础上加上(或减去)迟滞值,得到修正后的距离,将修正后的距离与第五阈值进行比较,基于比较结果确定停止第一定时器。
另一种方式中,停止条件还可以包括终端与小区参考位置的距离大于第六阈值。再该停止条件下,若终端与小区参考位置的距离大于第六阈值,则停止第一定时器。其中,该小区参考位置为小区边缘参考位置。
另一种方式中,停止条件还可以包括终端与小区参考位置的距离大于或等于第六阈值。再该停止条件下,若终端与小区参考位置的距离大于或等于第六阈值,则停止第一定时器。其中,该小区参考位置为小区边缘参考位置。
停止条件还包括触发时间和迟滞值中的一种或多种。
若停止条件中包括触发时间,则终端在触发时间内,终端与小区参考位置的距离大于第六阈值,则停止第一定时器,否则不停止第一定时器。
若停止条件中包括触发时间,则终端在触发时间内,终端与小区参考位置的距离大于或等于第六阈值,则停止第一定时器,否则不停止第一定时器。
若停止条件中包括迟滞值,则终端确定终端与小区之间的距离后,在该距离的基础上加上(或减去)迟滞值,得到修正后的距离,将修正后的距离与第六阈值进行比较,基于比较结果确定停止第一定时器。
需要说明的是,上述实施方式可以单独被实施,也可以任意组合一起被实施。
在本公开另一些实施例中,若基于停止时间信息,停止第一定时器,实施方式如下述。
确定配置信息中包括的停止时间门限值,基于停止时间门限值,确定停止第一定时器。例如在停止时间信息超过停止时间门限值的情况下,停止第一定时器。
在本公开实施例中,触发时间和/或迟滞值在不同的情况下取值可以不同,也可以相同,在次不做具体限定。
其中,停止条件可以单独使用,也可以组合使用,再次不做具体限定。
下述实施方式中,将对终端根据自身的位置信息和网络的配置信息确定用于检测RLF的定时器时长的实施方式进行说明。
图3是根据一示例性实施例示出的一种RLF检测方法的流程图。如图3所示,RLF检测方法,该方法由终端执行,包括以下步骤。
在步骤S21中,确定与检测RLF相关的配置信息,并确定终端的位置信息。
在步骤S22中,基于配置信息和/或终端的位置信息,选择第一定时器时长。
其中,第一定时器时长用于RLF的检测。
在本公开实施例中,终端确定网络设备配置的与检测RLF相关的配置信息,或者接收网络设备发送的信令,基于信令确定与检测RLF相关的配置信息。其中,信令可以是广播消息或者专有信令等。
进一步,终端根据得到的与检测RLF相关的配置信息和/或终端的位置信息,选择相应的第一定时器时长。
通过本公开实施例提供的RLF检测方法,根据终端的位置,选择用于检测RLF的第一定时器时长,从而可以基于终端的位置确定合适的定时器时长,在与终端位置相对应的时间内检测RLF,可以减少RRC的重建,或是保证及时恢复网络传输环境,使得终端能够快速恢复与网络的连接或进入空闲态。
其中,配置信息中包括的选择定时器时长的选择条件可以是由网络设备指示的,也可以是通过协议规定的,如上述,在此不做具体限定。可以理解的是,若由网络设备指示终端选择条件,则网络设备可以根据实际情况动态指示该选择条件。
在本公开实施例中,包括多种选择相应的第一定时器时长的方式。
若终端基于配置信息和终端的位置信息,选择相应的第一定时器时长,可以包括以下实施方式。
在一种方式中,可以基于配置信息包括的选择条件,以及终端与卫星之间的相对位置关系,选择相应的第一定时器时长。
在本公开实施例中,配置信息中包括多个定时器时长,以及每个定时器时长相应的选择条件。终端可以基于配置信息包括的选择条件,以及终端与小区之间的相对位置关系,在多个定时器时长中,选择相应的第一定时器时长。
在本公开实施例中,配置信息还可以包括卫星的星历信息。终端根据星历信息和终端的位置信息,确定终端与卫星之间的相对位置关系。在终端与卫星之间的相对位置关系,满足配置信息中包括的选择条件的情况下,选择相应的第一定时器时长。
在一种方式中卫星的星历信息可以是通过网络发送的指示信息确定。
在另一种方式中卫星的星历信息也可以基于预存储在SIM卡中的信息确定。
其中终端与卫星之间的相对位置关系可以是终端与卫星的距离。
在本公开实施例中,配置信息还可以包括小区的覆盖信息。终端根据自身位置信息与小区的覆盖信息,确定终端与小区之间的相对位置关系。在终端与小区之间的相对位置关系,满足配置信息中包括的选择条件的情况下选择相应的第一定时器时长。
其中终端与小区参考位置的距离,还可以是终端相对于小区边缘参考位置,或终端相 对于小区中心参考位置。
若终端基于配置信息,选择相应的第一定时器时长,可以包括以下实施方式。
在本公开实施例中,终端可以基于终端与卫星之间的仰角的大小,选择相应的第一定时器时长。
其中,若选择条件包括终端与卫星之间的仰角大小大于或等于仰角阈值大小。则在终端与卫星之间的仰角大小大于或等于仰角阈值大小的情况下,选择相应的第一定时器时长。
其中,若选择条件包括终端与卫星之间的仰角大小大于仰角阈值大小。则在终端与卫星之间的仰角大小大于仰角阈值大小的情况下,选择相应的第一定时器时长。
若配置信息中还包括仰角的触发时间,则在触发时间内,终端与卫星之间的仰角大小大于或等于仰角阈值大小,则选择相应的第一定时器时长。或者在触发时间内,终端与卫星之间的仰角大小大于仰角阈值大小,则选择相应的第一定时器时长。
如上述,终端可以基于配置信息包括的选择条件,以及终端与卫星之间的相对位置关系,选择相应的第一定时器时长。
一种方式中,若选择条件为终端与卫星之间的距离大于第七阈值,则在确定终端与卫星之间的距离大于第七阈值的情况下,选择相应的第一定时器时长。
另一种方式中,若选择条件为终端与卫星之间的距离大于或等于第七阈值,则在确定终端与卫星之间的距离大于或等于第七阈值的情况下,选择相应的第一定时器时长。
在本公开实施例中,在确定终端与卫星之间的距离小于第七阈值的情况下,选择相应的第二定时器时长。或,在确定终端与卫星之间的距离小于第七阈值的情况下,选择指定定时器时长为第二定时器时长。指定定时器可以是定时器T310。
在本公开实施例中,在确定终端与卫星之间的距离小于或等于第七阈值的情况下,选择相应的第二定时器时长。或,在确定终端与卫星之间的距离小于或等于第七阈值的情况下,选择指定定时器时长为第二定时器时长。指定定时器可以是定时器T310。
其中,若选择条件包括终端与卫星之间的距离大于第七阈值,则选择条件还可以包括终端与卫星之间的相对位置信息对应的触发时间和迟滞值中的至少一种。
若选择条件中包括触发时间,则终端在触发时间内,终端与卫星之间的距离持续大于第七阈值,选择相应的第一定时器时长,否则选择相应的第二定时器时长。
若选择条件中包括迟滞值,则终端确定终端与卫星之间的距离后,在该距离的基础上加上(或减去)迟滞值,得到修正后的距离,将修正后的距离与第七阈值进行比较,基于比较结果选择相应的第一定时器时长或相应的第二定时器时长。
配置信息中若包括小区的覆盖信息,也可以基于终端的位置信息和小区的覆盖信息,得到终端与卫星之间的相对位置关系。如上述,终端与小区之间的相对位置关系可以是终端与小区参考位置的距离。终端与小区参考位置的距离还可以是终端相对于小区边缘参考位置,或终端相对于小区中心参考位置。
一种方式中,小区是终端基于卫星进行通信的服务小区。
另一种方式中,小区是终端基于卫星进行通信的邻小区。
在本公开实施例中,小区中心参考位置和小区边缘参考位置可以基于小区覆盖区域获取。
在本公开实施例中,小区覆盖区域信息可以包含于星历信息中。
一种方式中,选择条件包括终端与小区参考位置的距离大于第八阈值。再该选择条件下,若终端与小区参考位置的距离大于第八阈值,则选择相应的第一定时器时长。其中,该小区参考位置为小区中心参考位置。
另一种方式,选择条件包括终端与小区参考位置的距离大于或等于第八阈值。再该启动条件下,若终端与小区参考位置的距离大于或等于第八阈值,则选择相应的第一定时器时长。其中,该小区参考位置为小区中心参考位置。
另一种方式,选择条件包括终端与小区参考位置的距离大于第八阈值且第二定时器启动。在终端与小区参考位置的距离大于第八阈值且第二定时器启动的情况下,选择相应的第一定时器时长。第二定时器可以是定时器T310。
另一种方式,选择条件包括终端与小区参考位置的距离大于或等于第八阈值且第二定时器启动。在终端与小区参考位置的距离大于或等于第八阈值且第二定时器选择的情况下,选择相应的第一定时器时长。第二定时器可以是定时器T310。
在基于终端与小区之间的相对位置关系,选择相应的第一定时器时长的情况下,若选择条件还包括触发时间和迟滞值中的一种或多种。
若选择条件中包括触发时间,则终端在触发时间内,终端与小区参考位置的距离持续大于第八阈值,或终端与小区参考位置的距离大于第八阈值且第二定时器启动,则选择相应的第一定时器时长,否则选择相应的第二定时器时长。
若选择条件中包括触发时间,则终端在触发时间内,终端与小区参考位置的距离大于或等于第八阈值,或终端与小区参考位置的距离大于或等于第八阈值且第二定时器启动,则选择相应的第一定时器时长,否则选择相应的第二定时器时长。
若选择条件中包括迟滞值,则终端确定终端与小区之间的距离后,在该距离的基础上加上(或减去)迟滞值,得到修正后的距离,将修正后的距离与第八阈值进行比较,基于 比较结果确定选择相应的第一定时器时长。
另一种方式中,选择条件还可以包括终端与小区参考位置的距离小于第九阈值。再该启动条件下,若终端与小区参考位置的距离小于第九阈值,则选择相应的第一定时器时长。
另一种方式中,选择条件还可以包括终端与小区参考位置的距离小于或等于第九阈值。在该启动条件下,若终端与小区参考位置的距离小于或等于第九阈值,则选择相应的第一定时器时长。
启动条件还包括触发时间和迟滞值中的一种或多种。
若启动条件中包括触发时间,则终端在触发时间内,终端与小区参考位置的距离小于第九阈值,则选择相应的第一定时器时长,否则选择相应的第二定时器时长。
若启动条件中包括迟滞值,则终端确定终端与小区之间的距离后,在该距离的基础上加上(或减去)迟滞值,得到修正后的距离,将修正后的距离与第九阈值进行比较,基于比较结果确定选择相应的第二定时器时长。
在本公开实施例中,触发时间和/或迟滞值在不同的情况下取值可以不同,也可以相同,在次不做具体限定。
需要说明的是,上述实施方式可以单独被实施,也可以任意组合一起被实施。
在本公开实施例中,根据满足选择条件,选择相应第一定时器时长,则在第一定时器时长超时,确定检测到RLF。
在本公开实施例中,若不满足任何选择条件,选择默认的定时器时长,则在默认的定时器时长超时,确定检测到RLF。
其中,默认的定时器时长可以由协议规定,网络配置,终端实现来确定。
其中,选择条件可以单独使用,也可以组合使用,再次不做具体限定。
图4是根据一示例性实施例示出的一种RLF检测方法的流程图。如图4所示,RLF检测方法,该方法由终端执行,包括以下步骤。
在步骤S31中,确定与检测RLF相关的配置信息,并确定终端的位置信息。
在步骤S32中,基于配置信息和/或终端的位置信息,调整第一定时器时长。
在本公开实施例中,调整后的第一定时器时长用于RLF的检测。终端根据配置信息和/或终端的位置信息可以选择相应的缩放因子,并基于缩放因子,调整第一定时器时长。
在本公开实施例中,终端确定网络设备配置的与检测RLF相关的配置信息,或者接收网络设备发送的信令,基于信令确定与检测RLF相关的配置信息。其中,信令可以是广播消息或者专有信令等。
进一步,终端根据得到的与检测RLF相关的配置信息和/或终端的位置信息,满足配 置信息中包括的选择条件的情况下选择相应的缩放因子。
通过本公开实施例提供的RLF检测方法,根据终端的位置,选择用于检测RLF的缩放因子,从而可以基于终端的位置确定合适的定时器时长,在与终端位置相对应的时间内检测RLF,可以减少RRC的重建,或是保证及时恢复网络传输环境,使得终端能够快速恢复与网络的连接或进入空闲态。
其中,配置信息中包括的选择相应的缩放因子的选择条件可以是由网络设备指示的,也可以是通过协议规定的,如上述,在此不做具体限定。可以理解的是,若由网络设备指示终端选择条件,则网络设备可以根据实际情况动态指示该选择条件。
在本公开实施例中,配置信息中包括一个或多个缩放因子,以及每个缩放因子相应的选择条件。
若终端基于配置信息和终端的位置信息,满足配置信息中包括的选择条件的情况下选择相应的缩放因子,可以包括以下实施方式。
在一种方式中,可以基于配置信息包括的选择条件,以及终端与卫星之间的相对位置关系,选择相应的缩放因子。
在本公开实施例中,配置信息还可以包括卫星的星历信息。终端根据星历信息和终端的位置信息,确定终端与卫星之间的相对位置关系。在终端与卫星之间的相对位置关系,满足配置信息中包括的选择条件的情况下,选择相应的缩放因子。
在一种方式中卫星的星历信息可以是通过网络发送的指示信息确定。
在另一种方式中卫星的星历信息也可以基于预存储在SIM卡中的信息确定。
在本公开实施例中,终端可以基于配置信息包括的选择条件,以及终端与小区之间的相对位置关系,在多个定时器时长中,选择相应的缩放因子。
其中,配置信息中若包括卫星的星历信息,在星历信息中获取卫星的位置信息,从而得到终端与卫星之间的相对位置关系。终端与卫星之间的相对位置关系可以是终端与卫星的距离、终端与小区参考位置的距离。
若终端基于配置信息,选择相应的缩放因子,可以包括以下实施方式。
在本公开实施例中,终端可以基于终端与卫星之间的仰角的大小,选择相应的缩放因子。
其中,若启动条件包括终端与卫星之间的仰角大小大于或等于仰角阈值大小。则在终端与卫星之间的仰角大小大于或等于仰角阈值大小的情况下,选择基于相应的缩放因子,调整第一定时器时长。
若启动条件包括终端与卫星之间的仰角大小大于仰角阈值大小。则在终端与卫星之间 的仰角大小大于仰角阈值大小的情况下,选择基于相应的缩放因子,调整第一定时器时长。
若配置信息中还包括仰角的触发时间,则在触发时间内,终端与卫星之间的仰角大小大于或等于仰角阈值大小,则选择基于相应的缩放因子,调整第一定时器时长。
若配置信息中还包括仰角的触发时间,则在触发时间内,终端与卫星之间的仰角大小大于仰角阈值大小,则选择基于相应的缩放因子,调整第一定时器时长。
如上述,终端可以基于配置信息包括的选择条件,以及终端与卫星之间的相对位置关系,选择基于相应的缩放因子,调整第一定时器时长。
示例性的,指定定时器为T310,利用相应的缩放因子乘以T310的时长,得到缩放后的定时器时长,将缩放后的定时器时长确定为第一定时器时长。
一种方式中,若选择条件为终端与卫星之间的距离大于第十阈值,则在确定终端与卫星之间的距离大于第十阈值的情况下,选择基于相应的缩放因子,调整第一定时器时长。
另一种方式中,若选择条件为终端与卫星之间的距离大于或等于第十阈值,则在确定终端与卫星之间的距离大于或等于第十阈值的情况下,选择基于相应的缩放因子,调整第一定时器时长。
在本公开实施例中,在确定终端与卫星之间的距离小于第十阈值的情况下,选择第二定时器时长。或,在确定终端与卫星之间的距离小于第十阈值的情况下,选择指定定时器时长为第二定时器时长。指定定时器可以是定时器T310。
在本公开实施例中,在确定终端与卫星之间的距离小于或等于第十阈值的情况下,选择第二定时器时长。或,在确定终端与卫星之间的距离小于或等于第十阈值的情况下,选择指定定时器时长为第二定时器时长。指定定时器可以是定时器T310。
其中,若选择条件包括终端与卫星之间的距离大于第十阈值,则选择条件还可以包括终端与卫星之间的相对位置信息对应的触发时间和迟滞值中的至少一种。
若选择条件中包括触发时间,则终端在触发时间内,终端与卫星之间的距离持续大于第十阈值,选择基于相应的缩放因子,调整第一定时器时长。否则不基于相应的缩放因子,调整第一定时器时长。
若选择条件中包括迟滞值,则终端确定终端与卫星之间的距离后,在该距离的基础上加上(或减去)迟滞值,得到修正后的距离,将修正后的距离与第十阈值进行比较,基于比较结果选择基于相应的缩放因子,调整第一定时器时长,或不调整第一定时器时长。
在本公开实施例中,触发时间和/或迟滞值在不同的情况下取值可以不同,也可以相同,在次不做具体限定。
在本公开实施例中,配置信息还可以包括小区的覆盖信息。终端根据自身位置信息与 小区的覆盖信息,确定终端与小区之间的相对位置关系。在终端与小区之间的相对位置关系,满足配置信息中包括的选择条件的情况下,选择相应的缩放因子。
配置信息中若包括小区的覆盖信息,也可以基于终端的位置信息和小区的覆盖信息,得到终端与卫星之间的相对位置关系。如上述,终端与小区之间的相对位置关系可以是终端与小区参考位置的距离。终端与小区参考位置的距离还可以是终端相对于小区边缘参考位置,或终端相对于小区中心参考位置。
一种方式中,小区是终端基于卫星进行通信的服务小区。
另一种方式中,小区是终端基于卫星进行通信的邻小区。
在本公开实施例中,小区中心参考位置和小区边缘参考位置可以基于小区覆盖区域获取。
在本公开实施例中,小区覆盖区域信息可以包含于星历信息中。
一种方式中,选择条件包括终端与小区参考位置的距离大于第十一阈值。再该选择条件下,若终端与小区参考位置的距离大于第十一阈值,则调整第一定时器时长。其中,该小区参考位置为小区中心参考位置。
另一种方式,选择条件包括终端与小区参考位置的距离大于或等于第十一阈值。再该启动条件下,若终端与小区参考位置的距离大于或等于第十一阈值,则基于相应的缩放因子,调整第一定时器时长。其中,该小区参考位置为小区中心参考位置。
另一种方式,选择条件包括终端与小区参考位置的距离大于第十一阈值且第二定时器启动。在终端与小区参考位置的距离大于第十一阈值且第二定时器启动的情况下,基于相应的缩放因子,调整第一定时器时长。第二定时器可以是定时器T310。
另一种方式,选择条件包括终端与小区参考位置的距离大于或等于第十一阈值且第二定时器启动。在终端与小区参考位置的距离大于或等于第十一阈值且第二定时器选择的情况下,基于相应的缩放因子,调整第一定时器时长。第二定时器可以是定时器T310。
在基于终端与小区之间的相对位置关系,选择相应的第一定时器时长的情况下,若选择条件还包括触发时间和迟滞值中的一种或多种。
若启动条件中包括触发时间,则终端在触发时间内,终端与小区参考位置的距离持续大于第十一阈值,或终端与小区参考位置的距离大于第十一阈值且第二定时器启动,则基于相应的缩放因子,调整第一定时器时长,否则不调整第一定时器时长。
若选择条件中包括触发时间,则终端在触发时间内,终端与小区参考位置的距离大于或等于第十一阈值,或终端与小区参考位置的距离大于或等于第十一阈值且第二定时器启动,则基于相应的缩放因子,调整第一定时器时长,否则不调整第一定时器时长。
若选择条件中包括迟滞值,则终端确定终端与小区之间的距离后,在该距离的基础上加上(或减去)迟滞值,得到修正后的距离,将修正后的距离与第十一阈值进行比较,基于比较结果确定基于相应的缩放因子,调整第一定时器时长。
另一种方式中,选择条件还可以包括终端与小区参考位置的距离小于第十二阈值。再该启动条件下,若终端与小区参考位置的距离小于第十二阈值,则基于相应的缩放因子,调整第一定时器时长。
另一种方式中,选择条件还可以包括终端与小区参考位置的距离小于或等于第十二阈值。在该启动条件下,若终端与小区参考位置的距离小于或等于第十二阈值,则基于相应的缩放因子,调整第一定时器时长。
若启动条件中包括触发时间,则终端在触发时间内,终端与小区参考位置的距离小于第十二阈值,则基于相应的缩放因子,调整第一定时器时长,否则不调整第一定时器时长。
若启动条件中包括迟滞值,则终端确定终端与小区之间的距离后,在该距离的基础上加上(或减去)迟滞值,得到修正后的距离,将修正后的距离与第十二阈值进行比较,基于比较结果确定基于相应的缩放因子,调整第一定时器时长。
在本公开实施例中,触发时间和/或迟滞值在不同的情况下取值可以不同,也可以相同,在次不做具体限定。
需要说明的是,选择条件上述实施方式可以单独被实施,也可以任意组合一起被实施。
在本公开实施例中,若满足选择条件,选择相应的第一定时器时长,则在第一定时器时长超时,确定检测到RLF。并执行后续的重建RRC等流程。
其中,选择条件可以单独使用,也可以组合使用,再次不做具体限定。
在本公开实施例中,触发时间和/或迟滞值在不同的情况下取值可以不同,也可以相同,在次不做具体限定。
进一步需要说明的是,还可以采用本公开提供的方法,引入一个新的计数器及其配置信息,基于计数器例如计数器N310,N311,从而确定用于检测RLF的计数器。或者基于本公开提供的方法,为指定计数器配置相应的缩放因子,并基于缩放因子的选择条件,选择相应的缩放因子,并基于相应的缩放因子,确定用于检测RLF的计数器。从而可以减少RRC的重建,或是保证及时恢复网络传输环境,使得终端能够快速恢复与网络的连接或进入空闲态。
图5是根据一示例性实施例示出的一种RLF检测方法的流程图。如图5所示,RLF检测方法,该方法由网络设备执行,包括以下步骤。
在步骤S41中,确定与检测RLF相关的配置信息。
在步骤S42中,发送配置信息。
在本公开实施例中,配置信息用于RLF的检测。
在本公开实施例中,网络设备配置的与检测RLF相关的配置信息,并基于信令向终端发送信令,基于信令确定与检测RLF相关的配置信息。其中,信令可以是广播消息或者专有信令等。
通过本公开实施例提供的RLF检测方法,根据终端的位置,启动用于检测RLF的第一定时器,从而可以基于终端与卫星之间的不同位置,确定对应的第一定时器检测RLF,可以减少RRC的重建,或是保证及时恢复网络传输环境,使得终端能够快速恢复与网络的连接或进入空闲态。
网络设备可以根据实际情况动态指示或重建该启动条件。
在本公开实施例中,配置信息包括以下至少一种:
第二定时器的信息;
第一定时器的启动时间信息;
第一数值,第一数值用于启动第一定时器;
启动条件,启动条件用于启动第一定时器;
停止条件,停止条件用于停止第一定时器。
在本公开实施例中,配置信息还包括卫星的星历信息。星历信息用于确定终端与卫星之间的相对位置关系。
在一种方式中,网络设备通过指示消息,向终端发送卫星的星历信息。
在另一种方式中卫星的星历信息也可以基于预存储在SIM卡中的信息确定。
在本公开实施例中,启动条件包括以下至少一种:
终端与卫星的距离大于第一阈值;
触发时间;
迟滞值;
终端与小区参考位置的距离大于第二阈值;
终端与小区参考位置的距离小于第三阈值;
终端与小区参考位置距离大于第二阈值且第二定时器启动。
在另一种方式中卫星的星历信息也可以基于预存储在SIM卡中的信息确定。
在本公开实施例中,配置信息还可以包括小区的覆盖信息。终端与卫星之间的相对位置关系可以是终端与卫星的距离、终端与小区参考位置的距离。
配置信息中包括小区的覆盖信息,如上述,终端与卫星之间的相对位置关系可以是终 端与卫星的距离、终端与小区参考位置的距离。终端与小区参考位置的距离还可以是终端相对于小区边缘参考位置,或终端相对于小区中心参考位置。
在本公开实施例中,启动条件包括终端与卫星之间的仰角大小大于或等于仰角阈值大小。
在本公开实施例中,启动条件包括终端与卫星之间的仰角大小大于仰角阈值大小。
其中,终端与卫星之间的距离可以是终端与小区之间的距离,也可以是终端与小区中心参考位置之间的距离,还可以是终端与卫星边缘参考位置之间的距离。
在本公开实施例中,触发时间和/或迟滞值在不同的情况下取值可以不同,也可以相同,在次不做具体限定。
需要说明的是,上述实施方式可以单独被实施,也可以任意组合一起被实施。
在本公开一种实施方式中,确定配置信息中包括的启动时间门限值。
其中,启动条件可以单独使用,也可以组合使用,再次不做具体限定。
在本公开实施例中,网络设备可以发送的配置信息中包括的停止条件,也可以是通过协议规定的。如上述,在此不做具体限定。可以理解的是,若由网络设备指示终端停止条件,则网络设备可以根据实际情况动态指示或重配该停止条件。
在本公开实施例中,停止条件包括以下至少一种:
终端与卫星的距离小于第四阈值;
触发时间;
迟滞值;
终端与小区参考位置的距离小于第五阈值;
终端与小区参考位置的距离大于第六阈值;
终端与小区参考位置距离小于第五阈值且第二定时器启动。
在本公开实施例中,配置信息还可以包括小区的覆盖信息。
在一种方式中,配置信息中包括第二定时器的信息,例如第二定时器可以是相关技术中的定时器T310。
在又一方式中,配置信息中包括第一定时器的停止时间信息。
在另一方式中,配置信息中还包括第二数值。第二数值用于停止第一定时器。
在另一方式中,停止条件还包括终端与卫星之间的仰角大小小于或等于仰角阈值大小。
在另一方式中,停止条件还包括终端与卫星之间的仰角大小小于仰角阈值大小。
小区其中终端与卫星之间的相对位置关系可以是终端与卫星的距离、终端与小区参考 位置的距离。终端与小区参考位置的距离还可以是终端相对于小区边缘参考位置,或终端相对于小区中心参考位置。
在本公开实施例中,停止条件还可以包括终端与卫星之间的距离小于或等于第四阈值。
在本公开实施例中,小区中心参考位置和小区边缘参考位置可以基于小区覆盖区域获取。
需要说明的是,上述实施方式可以单独被实施,也可以任意组合一起被实施。触发时间和迟滞值在不同的情况下取值可以不同,也可以相同,在次不做具体限定。
配置信息中若包括小区的覆盖信息,也可以基于终端的位置信息和小区的覆盖信息,得到终端与卫星之间的相对位置关系。如上述,终端与小区之间的相对位置关系可以是终端与小区参考位置的距离。终端与小区参考位置的距离还可以是终端相对于小区边缘参考位置,或终端相对于小区中心参考位置。
一种方式中,小区是终端基于卫星进行通信的服务小区。
另一种方式中,小区是终端基于卫星进行通信的邻小区。
在本公开又一些实施例中,停止条件还可以是基于终端与小区之间的相对位置确定的。
一种方式中,停止条件包括终端与小区参考位置的距离大于第五阈值。
一种方式中,停止条件包括终端与小区参考位置的距离大于或等于第五阈值。
另一方式中,停止条件包括终端与小区参考位置的距离小于第五阈值且第二定时器停止。第二定时器可以是定时器T310。
另一方式中,停止条件包括终端与小区参考位置的距离小于或等于第五阈值且第二定时器停止。
另一种方式中,停止条件还可以包括终端与小区参考位置的距离大于第六阈值。
另一种方式中,停止条件还可以包括终端与小区参考位置的距离大于或等于第六阈值。
在本公开实施例中,触发时间和/或迟滞值在不同的情况下取值可以不同,也可以相同,在次不做具体限定。
需要说明的是,上述实施方式可以单独被实施,也可以任意组合一起被实施。
在本公开另一些实施例中,若基于停止时间信息,停止第一定时器,实施方式如下述。
确定配置信息中包括的停止时间门限值。
其中,停止条件可以单独使用,也可以组合使用,再次不做具体限定。
若网络设备配置信息中包括多个定时器时长,则实施方式如下。
图6是根据一示例性实施例示出的一种RLF检测方法的流程图。如图6所示,RLF检测方法,该方法由网络侧执行,包括以下步骤。
在步骤S51中,确定与检测RLF相关的配置信息。
在步骤S52中,发送配置信息。
在本公开实施例中,配置信息用于RLF的检测。
在本公开实施例中,网络设备发送的信令,将检测RLF相关的配置信息告知终端。其中,信令可以是广播消息或者专有信令等。
通过本公开实施例提供的RLF检测方法,根据终端的位置,确定用于检测RLF的第一定时器时长,从而可以基于终端的位置确定合适的时间,在与终端位置相对应的时间内检测RLF,可以减少RRC的重建,或是保证及时恢复网络传输环境,使得终端能够快速恢复与网络的连接或进入空闲态。
其中,配置信息中包括的选择条件可以是由网络设备指示的,也可以是通过协议规定的,如上述,在此不做具体限定。可以理解的是,若由网络设备指示终端选择条件,则网络设备可以根据实际情况动态指示或重配该选择条件。
一种实施方式中,用于选择定时器时长的选择条件包括以下至少一种:
终端与卫星的距离大于第七阈值;
触发时间;
迟滞值;
终端与小区参考位置的距离大于第八阈值;
终端与小区参考位置的距离小于第九阈值;
终端与小区参考位置距离大于第八阈值且第二定时器启动。
在本公开实施例中,配置信息还可以包括卫星的星历信息。
在一种方式中,网络设备通过指示消息,向终端发送卫星的星历信息。
配置信息中包括小区的覆盖信息,如上述,终端与小区之间的相对位置关系可以是终端与小区参考位置的距离。终端与小区参考位置的距离还可以是终端相对于小区边缘参考位置,或终端相对于小区中心参考位置。
其中,选择条件包括终端与卫星之间的仰角大小大于或等于仰角阈值大小。
选择条件包括终端与卫星之间的仰角大小大于仰角阈值大小。
在本公开实施例中,配置信息中还包括仰角的触发时间。
需要说明的是,上述实施方式可以单独被实施,也可以任意组合一起被实施。
在本公开实施例中,若满足选择条件,选择相应的第一定时器时长,则在第一定时器时长超时,确定检测到RLF。并执行后续的重建RRC等流程。
其中,选择条件可以单独使用,也可以组合使用,再次不做具体限定。
配置信息中包括小区的覆盖信息,如上述,终端与小区之间的相对位置关系可以是终端与小区参考位置的距离。终端与小区参考位置的距离还可以是终端相对于小区边缘参考位置,或终端相对于小区中心参考位置。
一种方式中,小区是终端基于卫星进行通信的服务小区。
另一种方式中,小区是终端基于卫星进行通信的邻小区。
在本公开实施例中,小区中心参考位置和小区边缘参考位置可以基于小区覆盖区域获取。
在本公开实施例中,小区覆盖区域信息可以包含于星历信息中。
一种方式中,选择条件包括终端与小区参考位置的距离大于第八阈值。其中,该小区参考位置为小区中心参考位置。
另一种方式,选择条件包括终端与小区参考位置的距离大于或等于第八阈值。其中,该小区参考位置为小区中心参考位置。
另一种方式,选择条件包括终端与小区参考位置的距离大于第八阈值且第二定时器启动。第二定时器可以是定时器T310。
另一种方式,选择条件包括终端与小区参考位置的距离大于或等于第八阈值且第二定时器启动。第二定时器可以是定时器T310。
另一种方式中,选择条件还可以包括终端与小区参考位置的距离小于第九阈值。
另一种方式中,选择条件还可以包括终端与小区参考位置的距离小于或等于第九阈值。
启动条件还包括触发时间和迟滞值中的一种或多种。
图7是根据一示例性实施例示出的一种RLF检测方法的流程图。如图7所示,RLF检测方法,该方法由网络侧执行,包括以下步骤。
在步骤S61中,确定与检测RLF相关的配置信息。
在步骤S62中,发送配置信息。
在本公开实施例中,配置信息用于RLF检测。网络设备发送配置的与检测RLF相关的配置信息。其中,信令可以是广播消息或者专有信令等。
通过本公开实施例提供的RLF检测方法,根据终端的位置,选择用于检测RLF的缩放因子,从而可以基于终端的位置确定合适的定时器时长,在与终端位置相对应的时间内 检测RLF,可以减少RRC的重建,或是保证及时恢复网络传输环境,使得终端能够快速恢复与网络的连接或进入空闲态。
其中,网络设备发送的配置信息中包括选择相应的缩放因子的选择条件,选择相应的缩放因子的选择条件也可以是通过协议规定的,如上述,在此不做具体限定。可以理解的是,若由网络设备指示终端选择条件,则网络设备可以根据实际情况动态指示该选择条件。
一种实施方式中,用于选择相应的缩放因子的选择条件包括以下至少一种:
终端与卫星的距离大于第十阈值;
触发时间;
迟滞值;
终端与小区参考位置的距离大于第十一阈值;
终端与小区参考位置的距离小于第十二阈值;
终端与小区参考位置距离大于第十一阈值且第二定时器启动。
在本公开实施例中,配置信息中包括一个或多个缩放因子,以及每个缩放因子相应的选择条件。
在本公开实施例中,配置信息还可以包括卫星的星历信息。
在一种方式中,网络设备通过指示消息,向终端发送卫星的星历信息。
一种方式中,启动条件包括终端与卫星之间的仰角大小大于或等于仰角阈值大小。
一种方式中,启动条件包括终端与卫星之间的仰角大小大于仰角阈值大小。
一种方式中,配置信息中还包括仰角的触发时间。
一种方式中,选择条件为终端与卫星之间的距离大于第十阈值。
另一种方式中,选择条件为终端与卫星之间的距离大于或等于第十阈值。
在本公开实施例中,配置信息还可以包括小区的覆盖信息。
配置信息中包括小区的覆盖信息,如上述,终端与小区之间的相对位置关系可以是终端与小区参考位置的距离。终端与小区参考位置的距离还可以是终端相对于小区边缘参考位置,或终端相对于小区中心参考位置。
一种方式中,小区是终端基于卫星进行通信的服务小区。
另一种方式中,小区是终端基于卫星进行通信的邻小区。
在本公开实施例中,小区中心参考位置和小区边缘参考位置可以基于小区覆盖区域获取。
在本公开实施例中,小区覆盖区域信息可以包含于星历信息中。
一种方式中,选择条件包括终端与小区参考位置的距离大于第十一阈值。其中,该小 区参考位置为小区中心参考位置。
另一种方式,选择条件包括终端与小区参考位置的距离大于或等于第十一阈值。其中,该小区参考位置为小区中心参考位置。
另一种方式,选择条件包括终端与小区参考位置的距离大于第十一阈值且第二定时器启动。第二定时器可以是定时器T310。
另一种方式,选择条件包括终端与小区参考位置的距离大于或等于第十一阈值且第二定时器启动。第二定时器可以是定时器T310。
另一种方式中,选择条件还可以包括终端与小区参考位置的距离小于第十二阈值。
另一种方式中,选择条件还可以包括终端与小区参考位置的距离小于或等于第十二阈值。
在本公开实施例中,触发时间和/或迟滞值在不同的情况下取值可以不同,也可以相同,在次不做具体限定。
需要说明的是,上述实施方式可以单独被实施,也可以任意组合一起被实施。
在本公开实施例中,若满足选择条件,选择相应的第一定时器时长,则在第一定时器时长超时,确定检测到RLF。并执行后续的重建RRC等流程。
进一步需要说明的是,还可以采用本公开提供的方法,引入一个新的计数器及其配置信息,基于计数器例如计数器N310,N311,从而确定用于检测RLF的计数器。或者基于本公开提供的方法,为指定计数器配置相应的缩放因子,并基于缩放因子的选择条件,选择相应的缩放因子,并基于相应的缩放因子,确定用于检测RLF的计数器。从而可以减少RRC的重建,或是保证及时恢复网络传输环境,使得终端能够快速恢复与网络的连接或进入空闲态。
基于相同的构思,本公开实施例还提供一种RLF检测装置。
可以理解的是,本公开实施例提供的RLF检测装置为了实现上述功能,其包含了执行各个功能相应的硬件结构和/或软件模块。结合本公开实施例中所公开的各示例的单元及算法步骤,本公开实施例能够以硬件或硬件和计算机软件的结合形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行,取决于技术方案的特定应用和设计约束条件。本领域技术人员可以对每个特定的应用来使用不同的方法来实现所描述的功能,但是这种实现不应认为超出本公开实施例的技术方案的范围。
图8是根据一示例性实施例示出的一种RLF检测装置框图。参照图8,该装置100由终端执行,包括处理模块101。
处理模块101,用于确定与检测RLF相关的配置信息,并确定终端的位置信息。处理 模块101,用于基于配置信息和/或终端的位置信息,启动第一定时器,第一定时器用于RLF的检测。
在本公开实施例中,处理模块101,用于基于配置信息包括的启动条件,以及终端与卫星之间的相对位置关系,启动第一定时器。或者
基于配置信息包括的启动条件,以及终端与小区之间的相对位置关系,启动第一定时器。
在本公开实施例中,处理模块101,用于基于配置信息中包括的第二定时器的信息,启动第一定时器。或者
基于配置信息中包括的第一定时器的启动时间信息,启动第一定时器。
在本公开实施例中,处理模块101,用于若配置信息中包括第一数值,则在接收到第一数值次连续不同步指示,启动第一定时器。
在本公开实施例中,启动条件包括终端与卫星之间的距离大于第一阈值。
处理模块101,用于在确定终端与卫星之间的距离大于第一阈值的情况下,启动第一定时器。
在本公开实施例中,启动条件包括触发时间和迟滞值中的一种或多种。
处理模块101,用于基于触发时间、迟滞值以及终端与卫星之间的相对位置关系中的至少一种,确定启动第一定时器。
在本公开实施例中,处理模块101,用于确定终端与小区参考位置的距离大于第二阈值的情况,启动第一定时器,其中,启动条件为终端与小区参考位置的距离大于第二阈值。或
确定终端与小区参考位置的距离小于第三阈值,启动第一定时器,其中,启动条件为终端与小区参考位置的距离小于第三阈值。
在本公开实施例中,处理模块101,用于确定终端与小区参考位置距离大于第二阈值且第二定时器启动,启动第一定时器,其中,启动条件为终端与小区参考位置距离大于第二阈值且第二定时器启动。
在本公开实施例中,启动条件包括触发时间和迟滞值中的一种或多种。
处理模块101,用于基于触发时间和迟滞值以及终端与小区之间的相对位置关系中的至少一种,确定启动第一定时器。
在本公开实施例中,配置的启动时间信息包括启动时间门限值。
处理模块101,用于基于启动时间门限值,确定启动第一定时器。
在本公开实施例中,处理模块101还用于若第一定时器超时,确定检测到RLF。
在本公开实施例中,处理模块101还用于在满足停止条件时,停止第一定时器。
在本公开实施例中,处理模块101还用于基于配置信息和/或终端的位置信息,停止第一定时器。
在本公开实施例中,处理模块101还用于基于配置信息包括的停止条件,以及终端与卫星之间的相对位置关系,停止第一定时器。或者,基于配置信息包括的停止条件,以及终端与小区之间的相对位置关系,停止第一定时器。
在本公开实施例中,处理模块101还用于基于配置信息中包括的第二定时器的信息,停止第一定时器。或者
基于配置信息中包括的第一定时器的停止时间信息,停止第一定时器。
在本公开实施例中,处理模块101还用于若配置信息中包括第二数值,则在接收到第二数值次连续同步指示,停止第一定时器。
在本公开实施例中,停止条件包括终端与卫星之间的距离小于第四阈值。
处理模块101还用于在确定终端与卫星之间的距离小于第四阈值的情况下,停止第一定时器。
在本公开实施例中,停止条件包括触发时间和迟滞值中的一种或多种。
处理模块101还用于基于触发时间、迟滞值以及终端与卫星之间的相对位置关系中的至少一种,确定停止第一定时器。
在本公开实施例中,处理模块101还用于确定终端与小区参考位置的距离大于第五阈值的情况下,停止第一定时器,其中,停止条件为终端与小区参考位置的距离小于第五阈值。或
确定终端与小区参考位置的距离小于第六阈值,停止第一定时器,其中,停止条件为终端与小区参考位置的距离大于第六阈值。
在本公开实施例中,处理模块101还用于确定终端与小区参考位置距离大于第五阈值且第二定时器停止,停止第一定时器,其中,停止条件为终端与小区参考位置距离小于第五阈值且第二定时器停止。
在本公开实施例中,停止条件包括触发时间和迟滞值中的一种或多种。
处理模块101还用于基于触发时间和迟滞值以及终端与小区之间的相对位置关系中的至少一种,确定停止第一定时器。
在本公开实施例中,配置的停止时间信息包括停止时间门限值。
处理模块101还用于基于停止时间门限值,确定停止第一定时器。
在本公开实施例中,处理模块,用于确定与检测RLF相关的配置信息,并确定终端的 位置信息。选择模块,用于基于配置信息和/或终端的位置信息,选择第一定时器时长,第一定时器时长用于RLF的检测。
在本公开实施例中,配置信息中包括多个定时器时长,以及每个定时器时长相应的选择条件。
在本公开实施例中,处理模块101还用于基于配置信息包括的选择条件,以及终端与卫星之间的相对位置关系,选择第一定时器时长。或者,基于配置信息包括的选择条件,以及终端与小区之间的相对位置关系,选择第一定时器时长。
在本公开实施例中,处理模块101还用于若第一定时器时长超时,确定检测到RLF。
在本公开实施例中,处理模块101还用于确定与检测RLF相关的配置信息,并确定终端的位置信息。调整模块,用于基于配置信息和/或终端的位置信息,调整第一定时器时长,调整后的第一定时器时长用于RLF的检测。
在本公开实施例中,配置信息中包括一个或多个缩放因子,以及每个缩放因子相应的选择条件。
在本公开实施例中,处理模块101还用于基于配置信息包括的选择条件,以及终端与卫星之间的相对位置关系,选择缩放因子,并基于缩放因子调整第一定时器时长。或者,基于配置信息包括的选择条件,以及终端与小区之间的相对位置关系,确定缩放因子,并基于缩放因子调整第一定时器时长。
在本公开实施例中,若不满足配置的选择条件,则不调整第一定时器时长。
在本公开实施例中,处理模块101还用于若调整后的第一定时器时长超时,确定检测到RLF。
图9是根据一示例性实施例示出的一种RLF检测装置框图。参照图9,该装置200由网络设备执行,包括处理模块201和发送模块202。
处理模块201,用于确定与检测RLF相关的配置信息。发送模块,用于发送配置信息。配置信息用于RLF的检测。
在本公开实施例中,配置信息包括以下至少一种:
第二定时器的信息;
第一定时器的启动时间信息;
第一数值,第一数值用于启动第一定时器;
启动条件,启动条件用于启动第一定时器;
停止条件,停止条件用于停止第一定时器。
在本公开实施例中,启动条件包括以下至少一种:
终端与卫星的距离大于第一阈值;
触发时间;
迟滞值;
终端与小区参考位置的距离大于第二阈值;
终端与小区参考位置的距离小于第三阈值;
终端与小区参考位置距离大于第二阈值且第二定时器启动。
在本公开实施例中,停止条件包括以下至少一种:
终端与卫星的距离小于第四阈值;
触发时间;
迟滞值;
终端与小区参考位置的距离小于第五阈值;
终端与小区参考位置的距离大于第六阈值;
终端与小区参考位置距离小于第五阈值且第二定时器启动。
在本公开实施例中,装置还包括用于选择定时器时长的选择条件,选择条件包括以下至少一种:
终端与卫星的距离大于第七阈值;
触发时间;
迟滞值;
终端与小区参考位置的距离大于第八阈值;
终端与小区参考位置的距离小于第九阈值;
终端与小区参考位置距离大于第八阈值且第二定时器启动。
在本公开实施例中,装置还包括用于选择缩放因子的选择条件,选择条件包括以下至少一种:
终端与卫星的距离大于第十阈值;
触发时间;
迟滞值;
终端与小区参考位置的距离大于第十一阈值;
终端与小区参考位置的距离小于第十二阈值;
终端与小区参考位置距离大于第十一阈值且第二定时器启动。
关于上述实施例中的装置,其中各个模块执行操作的具体方式已经在有关该方法的实施例中进行了详细描述,此处将不做详细阐述说明。
图10是根据一示例性实施例示出的一种用于RLF检测的装置300的框图。例如,装置300可以是移动电话,计算机,数字广播终端,消息收发设备,游戏控制台,平板设备,医疗设备,健身设备,个人数字助理等。
参照图10,装置300可以包括以下一个或多个组件:处理组件302,存储器304,电力组件306,多媒体组件308,音频组件310,输入/输出(I/O)接口312,传感器组件314,以及通信组件316。
处理组件302通常控制装置300的整体操作,诸如与显示,电话呼叫,数据通信,相机操作和记录操作相关联的操作。处理组件302可以包括一个或多个处理器320来执行指令,以完成上述的方法的全部或部分步骤。此外,处理组件302可以包括一个或多个模块,便于处理组件302和其他组件之间的交互。例如,处理组件302可以包括多媒体模块,以方便多媒体组件308和处理组件302之间的交互。
存储器304被配置为存储各种类型的数据以支持在装置300的操作。这些数据的示例包括用于在装置300上操作的任何应用程序或方法的指令,联系人数据,电话簿数据,消息,图片,视频等。存储器304可以由任何类型的易失性或非易失性存储设备或者它们的组合实现,如静态随机存取存储器(SRAM),电可擦除可编程只读存储器(EEPROM),可擦除可编程只读存储器(EPROM),可编程只读存储器(PROM),只读存储器(ROM),磁存储器,快闪存储器,磁盘或光盘。
电力组件306为装置300的各种组件提供电力。电力组件306可以包括电源管理系统,一个或多个电源,及其他与为装置300生成、管理和分配电力相关联的组件。
多媒体组件308包括在所述装置300和用户之间的提供一个输出接口的屏幕。在一些实施例中,屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板,屏幕可以被实现为触摸屏,以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。所述触摸传感器可以不仅感测触摸或滑动动作的边界,而且还检测与所述触摸或滑动操作相关的持续时间和压力。在一些实施例中,多媒体组件308包括一个前置摄像头和/或后置摄像头。当装置300处于操作模式,如拍摄模式或视频模式时,前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件310被配置为输出和/或输入音频信号。例如,音频组件310包括一个麦克风(MIC),当装置300处于操作模式,如呼叫模式、记录模式和语音识别模式时,麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器304或经由通信组件316发送。在一些实施例中,音频组件310还包括一个扬声器,用于输出音频信号。
I/O接口312为处理组件302和外围接口模块之间提供接口,上述外围接口模块可以是键盘,点击轮,按钮等。这些按钮可包括但不限于:主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件314包括一个或多个传感器,用于为装置300提供各个方面的状态评估。例如,传感器组件314可以检测到装置300的打开/关闭状态,组件的相对定位,例如所述组件为装置300的显示器和小键盘,传感器组件314还可以检测装置300或装置300一个组件的位置改变,用户与装置300接触的存在或不存在,装置300方位或加速/减速和装置300的温度变化。传感器组件314可以包括接近传感器,被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件314还可以包括光传感器,如CMOS或CCD图像传感器,用于在成像应用中使用。在一些实施例中,该传感器组件314还可以包括加速度传感器,陀螺仪传感器,磁传感器,压力传感器或温度传感器。
通信组件316被配置为便于装置300和其他设备之间有线或无线方式的通信。装置300可以接入基于通信标准的无线网络,如WiFi,2G或3G,或它们的组合。在一个示例性实施例中,通信组件316经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中,所述通信组件316还包括近场通信(NFC)模块,以促进短程通信。例如,在NFC模块可基于射频识别(RFID)技术,红外数据协会(IrDA)技术,超宽带(UWB)技术,蓝牙(BT)技术和其他技术来实现。
在示例性实施例中,装置300可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现,用于执行上述方法。
在示例性实施例中,还提供了一种包括指令的非临时性计算机可读存储介质,例如包括指令的存储器304,上述指令可由装置300的处理器320执行以完成上述方法。例如,所述非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
图11是根据一示例性实施例示出的一种用于RLF检测的装置400的框图。例如,装置400可以被提供为一服务器。参照图11,装置400包括处理组件422,其进一步包括一个或多个处理器,以及由存储器432所代表的存储器资源,用于存储可由处理组件422的执行的指令,例如应用程序。存储器432中存储的应用程序可以包括一个或一个以上的每一个对应于一组指令的模块。此外,处理组件422被配置为执行指令,以执行上述方法。
装置400还可以包括一个电源组件426被配置为执行装置400的电源管理,一个有线或无线网络接口450被配置为将装置400连接到网络,和一个输入输出(I/O)接口458。 装置400可以操作基于存储在存储器432的操作系统,例如Windows ServerTM,Mac OS XTM,UnixTM,LinuxTM,FreeBSDTM或类似。
进一步可以理解的是,本公开中“多个”是指两个或两个以上,其它量词与之类似。“和/或”,描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。单数形式的“一种”、“所述”和“该”也旨在包括多数形式,除非上下文清楚地表示其他含义。
进一步可以理解的是,术语“第一”、“第二”等用于描述各种信息,但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开,并不表示特定的顺序或者重要程度。实际上,“第一”、“第二”等表述完全可以互换使用。例如,在不脱离本公开范围的情况下,第一信息也可以被称为第二信息,类似地,第二信息也可以被称为第一信息。
进一步可以理解的是,本公开实施例中尽管在附图中以特定的顺序描述操作,但是不应将其理解为要求按照所示的特定顺序或是串行顺序来执行这些操作,或是要求执行全部所示的操作以得到期望的结果。在特定环境中,多任务和并行处理可能是有利的。
本领域技术人员在考虑说明书及实践这里公开的发明后,将容易想到本公开的其它实施方案。本申请旨在涵盖本公开的任何变型、用途或者适应性变化,这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的,本公开的真正范围和精神由下面的权利范围指出。
应当理解的是,本公开并不局限于上面已经描述并在附图中示出的精确结构,并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所附的权利范围来限制。
Claims (20)
- 一种无线链路失败RLF检测方法,其特征在于,所述方法由终端执行,包括:确定与检测所述RLF相关的配置信息,并确定所述终端的位置信息;基于所述配置信息和/或所述终端的位置信息,启动第一定时器,所述第一定时器用于所述RLF的检测。
- 根据权利要求1所述的RLF检测方法,其特征在于,基于所述配置信息和所述终端的位置信息,启动第一定时器,包括:基于配置信息包括的启动条件,以及终端与卫星之间的相对位置关系,启动第一定时器;或者基于配置信息包括的启动条件,以及终端与小区之间的相对位置关系,启动第一定时器。
- 根据权利要求1所述的RLF检测方法,其特征在于,基于所述配置信息,启动第一定时器,包括:基于所述配置信息中包括的第二定时器的信息,启动第一定时器;或者基于所述配置信息中包括的第一定时器的启动时间信息,启动第一定时器。
- 根据权利要求1所述的RLF检测方法,其特征在于,基于所述配置信息,启动第一定时器,包括:若所述配置信息中包括第一数值,则在接收到第一数值次连续不同步指示,启动第一定时器。
- 根据权利要求2所述的RLF检测方法,其特征在于,所述启动条件包括终端与所述卫星之间的距离大于第一阈值;所述基于配置信息包括的启动条件以及终端与卫星之间的相对位置关系,启动所述第一定时器,包括:在确定终端与所述卫星之间的距离大于第一阈值的情况下,启动第一定时器。
- 根据权利要求2或5所述的RLF检测方法,其特征在于,所述启动条件包括触发时间和迟滞值中的至少一种;所述基于配置信息包括的启动条件,以及终端与卫星之间的相对位置关系,启动所述第一定时器,包括:基于所述触发时间、所述迟滞值以及所述终端与卫星之间的相对位置关系中的至少一种,确定启动第一定时器。
- 根据权利要求2所述的RLF检测方法,其特征在于,基于配置信息包括的启动条件和终端与小区之间的相对位置关系,启动所述第一定时器,包括:确定终端与所述小区参考位置的距离大于第二阈值的情况,启动所述第一定时器,其中,所述启动条件为所述终端与所述小区参考位置的距离大于所述第二阈值;或确定终端与所述小区参考位置的距离小于第三阈值,启动所述第一定时器,其中,所述启动条件为所述终端与所述小区参考位置的距离小于所述第三阈值。
- 根据权利要求2所述的RLF检测方法,其特征在于,所述方法还包括:确定终端与所述小区参考位置距离大于第二阈值且第二定时器启动,启动所述第一定时器,其中,所述启动条件为终端与所述小区参考位置距离大于第二阈值且第二定时器启动。
- 根据权利要求8所述的RLF检测方法,其特征在于,所述启动条件包括触发时间和迟滞值中的至少一种;所述基于配置信息包括的启动条件,以及终端与小区之间的相对位置关系,启动所述第一定时器,包括:基于所述触发时间和所述迟滞值以及终端与小区之间的相对位置关系中的至少一种,确定启动第一定时器。
- 根据权利要求3所述的RLF检测方法,其特征在于,所述启动时间信息包括启动时间门限值。
- 根据权利要求1所述的RLF检测方法,其特征在于,所述方法还包括:确定所述第一定时器超时;确定检测到RLF。
- 根据权利要求1所述的RLF检测方法,其特征在于,所述方法还包括:满足停止条件时,停止第一定时器。
- 一种无线链路失败RLF检测方法,其特征在于,所述方法由网络设备执行,包括:确定与检测所述RLF相关的配置信息;发送所述配置信息,所述配置信息用于所述RLF的检测。
- 根据权利要求13所述的RLF检测方法,其特征在于,所述配置信息包括以下至少一种:第二定时器的信息;第一定时器的启动时间信息;第一数值,所述第一数值用于启动所述第一定时器;启动条件,所述启动条件用于启动所述第一定时器;停止条件,所述停止条件用于停止所述第一定时器。
- 根据权利要求14所述的RLF检测方法,其特征在于,所述启动条件包括以下至少一种:终端与卫星的距离大于第一阈值;触发时间;迟滞值;终端与小区参考位置的距离大于第二阈值;终端与小区参考位置的距离小于第三阈值;终端与小区参考位置距离大于所述第二阈值且所述第二定时器启动。
- 一种RLF检测装置,其特征在于,包括:处理模块,用于确定与检测RLF相关的配置信息,并确定终端的位置信息;所述处理模块,还用于基于所述配置信息和/或所述终端的位置信息,启动第一定时器,所述第一定时器用于所述RLF的检测。
- 一种RLF检测装置,其特征在于,包括:处理模块,用于确定与检测RLF相关的配置信息;发送模块,用于发送所述配置信息。
- 一种RLF检测装置,其特征在于,包括:处理器;用于存储处理器可执行指令的存储器;其中,所述处理器被配置为:执行权利要求1-12中任意一项所述的RLF检测方法,或执行权利要求13-15中任意一项所述的RLF检测方法。
- 一种计算机存储介质,用于存储指令,其特征在于,当所述指令被执行时,使如权利要求1-12中任意一项所述的方法被实现。
- 一种计算机存储介质,用于存储指令,其特征在于,当所述指令被执行时,使如权利要求13-15中任意一项所述的方法被实现。
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