WO2014173336A1 - 小区发现方法和装置 - Google Patents
小区发现方法和装置 Download PDFInfo
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- WO2014173336A1 WO2014173336A1 PCT/CN2014/077341 CN2014077341W WO2014173336A1 WO 2014173336 A1 WO2014173336 A1 WO 2014173336A1 CN 2014077341 W CN2014077341 W CN 2014077341W WO 2014173336 A1 WO2014173336 A1 WO 2014173336A1
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- user equipment
- measurement
- network node
- height
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- 238000000034 method Methods 0.000 title claims abstract description 122
- 238000005259 measurement Methods 0.000 claims abstract description 391
- 238000009530 blood pressure measurement Methods 0.000 claims description 80
- 230000011664 signaling Effects 0.000 claims description 27
- 238000004891 communication Methods 0.000 claims description 15
- 230000001960 triggered effect Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000008569 process Effects 0.000 abstract description 23
- 238000010295 mobile communication Methods 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 50
- 238000009529 body temperature measurement Methods 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 7
- 230000001413 cellular effect Effects 0.000 description 5
- 238000012217 deletion Methods 0.000 description 5
- 230000037430 deletion Effects 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 238000011144 upstream manufacturing Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000010267 cellular communication Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/003—Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
Definitions
- the present invention relates to the field of mobile communications, and in particular, to a cell discovery method and apparatus. Background technique
- LPN low power node
- the LPN has the features of low-cost, low-power, and easy-to-deploy. It has two deployment scenarios: hotspot deployment and enhanced coverage. It can effectively improve the data rate of high-rate data services in indoor or outdoor hotspots, and improve remote areas or cell edge coverage.
- the LPN may also be referred to as a small base station, including a home base station (HeNB), a pico base station (pico), a radio remote unit/header (RRU/RRH), a relay node (RN), and the like.
- HeNB home base station
- pico pico
- RRU/RRH radio remote unit/header
- RN relay node
- the cell under the small base station is usually called a small cell.
- the UE In order to enable the UE to obtain a higher data rate and reduce the power consumption of the UE, the UE needs to discover the nearby small base station nodes in time and effectively, so that the network node can timely offload the UE to the nearby small base station to obtain a high data rate, and at the same time
- the macro base station is shunted, and the small base stations in different geographical areas can reuse the same frequency resource to greatly improve the spectrum efficiency.
- the power consumption of the UE is also the most concerned issue for users. After the UE is offloaded to the small base station, it is served by a small base station with a relatively close distance, which can save the power consumption of the UE.
- the UE performs inter-frequency measurement in LTE, and the base station needs to configure a measurement gap for the UE, and the UE interrupts communication with the serving base station during the measurement gap to measure the inter-frequency cell.
- the inter-frequency carrier frequency that the UE can measure at the same time is limited. If the number of inter-frequency signals to be measured is large, the UE is configured with more measurement gaps, and the more power the UE needs to perform the inter-frequency measurement.
- the s-measure mechanism can be used for the connected state UE to control the UE to turn on/off the measurement behavior of the neighboring cell including the inter-frequency measurement.
- the base station can configure the s-measure value (that is, the serving cell RSRP threshold) for the UE, If the serving cell RSRP value of the UE is higher than the threshold, it is not necessary to turn on the measurement of the neighboring cell.
- the serving cell RSRP threshold that is, the serving cell RSRP threshold
- small base stations need to be deployed intensively in a large area, and macro base stations and small base stations may use different frequency points, and small base stations may also use different numbers. Frequency.
- indoor deployment scenarios such as offices, shopping malls, etc.
- Different floors may have small base stations deployed, and the working carriers of small base stations on different floors may not be the same, that is, the UEs entering the area are It is found that adjacent small cells need to perform inter-frequency measurement for a large number of different frequency points, thereby causing a large amount of UE power consumption.
- the small base station may be deployed close to the macro base station, that is, located in the central area of the macro base station cell, instead of being deployed at the edge of the macro base station cell.
- the RSRP value of the serving cell measured when the UE served by the macro cell is located in the small cell of the central area of the macro cell is still good, and is likely to be higher than the s-measure value.
- the measurement of the neighboring cell cannot be triggered in time, and the nearby small cell cannot be effectively found.
- the related s-measure mechanism is not applicable to small cell discovery under the deployment of small base station hotspots.
- the present invention provides a cell discovery method and apparatus, which solves the problem that the small cell discovery process is triggered in a timely manner and consumes a large amount of power.
- a cell discovery method includes:
- the network node acquires location information of the user equipment that includes the height information
- the network node sends measurement configuration related information to the user equipment according to the location information of the user equipment, and instructs the user equipment to perform corresponding measurement according to the measurement configuration related information.
- the acquiring, by the network node, the location information of the user equipment that includes the height information includes: the network node acquiring the location information of the user equipment by itself; or
- the network node acquires location information of the user equipment by using user input information of the user equipment;
- the method before the step of acquiring, by the network node, the location information of the user equipment that includes the height information, the method further includes:
- the network node instructs the user equipment to perform altitude positioning by using RRC dedicated signaling.
- the method further includes:
- Determining, by the network node, that the user equipment has entered an indoor environment by: receiving, by the network node, a current temperature value sent by the user equipment or determining whether the user has entered the indoor environment according to the current temperature value and the predetermined rule. Instructions;
- the network node determines whether the user equipment has entered the indoor environment according to the current temperature value or the indication information sent by the user equipment or the horizontal location information of the user equipment.
- the method further includes:
- the network node After determining that the user equipment enters the indoor environment, the network node indicates, by using RRC dedicated signaling, that the user equipment has entered the indoor environment.
- the method further includes:
- the network node triggers performing a horizontal positioning of the user equipment based on an event that the user equipment has entered the indoor environment.
- the sending, by the network node, the measurement configuration related information to the user equipment according to the location information of the user equipment includes:
- the network node sends the measurement configuration related information to the user equipment according to the location information of the user equipment and the network topology information in the coverage of the network node, where the network topology information includes: The cell information and the geographical location information of the cell, or the WIFI access point information in the coverage of the network node and the geographical location information of the WIFI access point, or
- the network node obtains network topology information of the coverage area by: obtaining, by the network node, the network topology information by using a configuration manner; or The network node obtains the network topology information by using the proximity indication reported by the user equipment in combination with performing location information of the reported user equipment.
- the network node sends the measurement configuration related information to the user equipment according to the location information of the user equipment and the network topology information in the coverage of the network node:
- the network node sends the measurement configuration related information to the user equipment according to the horizontal location information and the height location information of the user equipment, where the measurement configuration related information includes any one of the following group information:
- the first set of information one or more measurement object information, or,
- the second group of information the WIFI function module opening indication of the user equipment, and/or the WIFI access point information, or,
- the third set of information, the D2D function module enable indication of the user equipment, and/or the D2D related measurement configuration information.
- the D2D related measurement configuration information includes: a resource, or an identifier, or sequence related information, that is performed by the user equipment to perform D2D discovery or D2D communication.
- the measurement object information includes:
- the system information to be measured including: CDMA2000, E-UTRAN, UTRAN and GERAN, and / or,
- Cell information on a frequency point to be measured including physical cell identification information of the cell.
- the present invention also provides a cell discovery method, including:
- the user equipment performs a corresponding measurement according to the measurement configuration related information.
- the user equipment before the step of receiving, by the user equipment, the measurement configuration related information that is sent by the network node according to the location information of the user equipment that includes the height information, the user equipment further includes: The user equipment performs height positioning measurement, and obtains air pressure measurement value by using a built-in barometer or a pneumatic altimeter for air pressure measurement;
- the user equipment calibrates the air pressure measurement value according to the obtained calibration data to obtain a height value corresponding to the air pressure measurement value
- the user equipment sends the height value as height location information to the network node.
- the method further includes:
- the user equipment performs height positioning measurement, specifically, using a built-in barometer or a pneumatic altimeter to perform air pressure measurement to obtain a barometric pressure measurement value;
- the user equipment reports the air pressure measurement value as a height position information to the network node, so that the network node calibrates the air pressure measurement value according to the local calibration data to obtain a height value corresponding to the air pressure measurement value.
- the method further includes: the user equipment autonomously triggering performing a high positioning on the user equipment; or
- the user equipment receives an indication sent by the network node by using RRC dedicated signaling, and triggers performing altitude positioning.
- the triggering event that triggers the measurement of the height position of the user equipment and/or the height positioning information is reported to include that the user equipment has entered the indoor environment, and the height positioning information includes a barometric pressure measurement value and/or a height value.
- the triggering event reported by the height positioning information of the user equipment is: the current air pressure measurement value or the height measurement value is compared with the previous air pressure measurement value or the height measurement value to reach a predetermined value;
- the current barometric pressure measurement or altitude measurement value is within a predetermined air pressure value or a predetermined height value range.
- the method further includes:
- the user equipment determines that the user equipment has entered the indoor environment by using the built-in thermometer to measure the current temperature value, and then determining whether the indoor environment has been entered according to a predetermined rule; or The user equipment determines, according to the horizontal location information of the user equipment, whether the user equipment has entered an indoor environment.
- the method further includes:
- the user equipment triggers performing horizontal positioning of the user equipment based on an event that the user equipment has entered the indoor environment.
- the present invention also provides a cell discovery method, including:
- the network node sends measurement configuration related information associated with the height location information to the user equipment, and the user equipment is instructed to perform corresponding measurement according to the height positioning result and the measurement configuration related information.
- the measurement configuration related information associated with the height location information includes any one of the following groups of information:
- the fourth group of information one or more measurement object information and condition information that triggers measurement of the measurement object.
- the fifth group information the WIFI function module opening indication of the user equipment, and/or the WIFI access point information, and the condition information for triggering the measurement of the WIFI function module and the measurement of the WIFI access point,
- the sixth group of information the D2D function module opening indication of the user equipment, and/or the D2D related measurement configuration information, and the condition information for triggering the measurement related to the D2D function module opening and D2D.
- the D2D related measurement configuration information includes:
- the user equipment performs resources, or identification, or sequence related information for transmission and/or reception of D2D discovery or D2D communication.
- condition information includes:
- the threshold for the barometric or altitude value is the threshold for the barometric or altitude value.
- the sending, by the network node, the measurement configuration related information associated with the height location information to the user equipment includes: Transmitting, by the network node, measurement configuration related information associated with the height location information to the user equipment according to the network topology information in the coverage area; or
- the network node sends measurement configuration related information associated with the height location information to the user equipment according to the network topology information in the coverage area and the usage information associated with the user equipment; or, the network node is configured according to the user equipment
- the horizontal location information and the network topology information within its coverage transmit measurement configuration related information associated with the height location information to the user equipment;
- the network topology information at least includes: cell information or WIFI access point information or D2D network node information in the coverage of the network node, and geographical location information of the cell or WIFI access point or D2D network node,
- the idiom information associated with the user equipment is the cell or WIFI access point information that the user equipment has accessed multiple times, or the cell or WIFI access point information that the user equipment tends to access, or the specific cell or WIFI access set by the user. Point information, or based on statistical or user-set WIFI or D2D propensity information.
- the present invention also provides a cell discovery method, including:
- the user equipment receives measurement configuration related information that is sent by the network node and is associated with the height location information
- the user equipment performs a corresponding measurement according to the height positioning result and the measurement configuration related information.
- the user equipment performs corresponding measurement according to the height positioning result and the measurement configuration related information, including:
- the user equipment performs altitude positioning using a built-in barometer or a pneumatic altimeter; determining that the height positioning result satisfies the measurement of the measurement object in the measurement configuration related information, or WIFI or D2D related on or When the condition is measured, the user equipment performs measurement or performs WIFI or D2D corresponding measurement on one or more measurement objects in the measurement configuration related information, or turns on a WIFI or D2D related function module.
- the present invention also provides a cell discovery apparatus, including:
- the location information obtaining module is configured to: obtain location information of the user equipment that includes the height information; and the configuration module is configured to: send, according to the location information of the user equipment, measurement configuration related information to the user equipment, indicating that the user equipment is configured according to the The measurement configuration related information performs the corresponding measurement.
- the location information acquiring module includes:
- the first obtaining unit is configured to: acquire the location information of the user equipment by itself;
- the second obtaining unit is configured to: obtain the location information of the user equipment by using the information reported by the user equipment;
- a third obtaining unit configured to: acquire, by using user input information of the user equipment, location information of the user equipment;
- a fourth obtaining unit configured to: acquire location information of the user equipment by performing retrieval on user input information of the user equipment.
- the device further comprises:
- the location indication module is configured to: instruct the user equipment to perform a high degree of positioning by using RRC dedicated signaling.
- the device further comprises:
- the environment determination module is configured to: determine that the user equipment has entered the indoor environment by:
- the positioning indication module is further configured to: after the environment determining module determines that the user equipment has entered the indoor environment, the RRC dedicated signaling indicates that the user equipment has entered the indoor environment by the user equipment.
- the configuration module includes:
- the configuration execution unit is configured to: send measurement configuration related information to the user equipment according to the location information of the user equipment and the network topology information in the coverage of the network node, where the network topology information includes:
- the cell information in the coverage of the network node and the geographical location information of the cell or the WIFI access point information in the coverage of the network node and the geographic location information of the WIFI access point, or
- the configuration module further includes:
- the topology information obtaining unit is configured to: obtain network topology information of the coverage by:
- the network topology information is obtained by using a proximity indication reported by the user equipment in conjunction with performing location information of the reported user equipment.
- the present invention also provides a cell discovery apparatus, including:
- the configuration information receiving module is configured to: receive measurement configuration related information sent by the network node according to the location information of the user equipment that includes the height information;
- the measurement execution module is configured to: perform corresponding measurement according to the measurement configuration related information.
- the device further includes a positioning module, and the positioning module includes:
- the height measuring unit is set to: a height-adjusting measurement for the air pressure measurement using a barometer or a pneumatic altimeter built into the user equipment to obtain a barometric pressure measurement; a calculation unit, which is set to: the barometric pressure measurement value is performed based on the obtained calibration data Calibrating to obtain a height value corresponding to the air pressure measurement value;
- the reporting unit is configured to: report the height value as height position information to the network node.
- the reporting unit is further configured to: use the air pressure measurement value as a height position letter The information is reported to the network node, so that the network node calibrates the air pressure measurement value according to the local calibration data to obtain a height value corresponding to the air pressure measurement value.
- the device further comprises:
- the triggering module is configured to: autonomously trigger the positioning module to perform height positioning on the user equipment; or
- the triggering module is further configured to: trigger a height positioning measurement and/or a high positioning information report of the user equipment when the triggering event is detected, where the triggering event includes that the user equipment has entered the indoor environment,
- the height positioning information includes a barometric pressure measurement value and/or a height value
- the trigger event includes:
- the current pressure measurement value or the height measurement value changes by a predetermined value compared with the previous air pressure measurement value or the height measurement value;
- the current barometric pressure measurement or altitude measurement value is within a predetermined air pressure value or a predetermined height value range.
- the device further comprises:
- the environment determination module is configured to: determine that the user equipment has entered the indoor environment by:
- thermometer of the user equipment uses the built-in thermometer of the user equipment to measure the current temperature value, and then determining whether the indoor environment has been entered according to a predetermined rule; or
- the triggering module is further configured to: trigger the positioning module to perform horizontal positioning on the user equipment based on an event that the user equipment has entered an indoor environment;
- the positioning module further includes a horizontal positioning unit configured to: perform horizontal positioning of the user equipment.
- the present invention also provides a cell discovery apparatus, including:
- the configuration module is configured to: send measurement configuration related information associated with the height location information to the user equipment, and instruct the user equipment to perform corresponding measurement according to the height positioning result and the measurement configuration related information.
- the configuration information sending module includes:
- the first configuration unit is configured to: send measurement configuration related information associated with the height location information to the user equipment according to the network topology information in the coverage of the network node;
- the second configuration unit is configured to: send, according to the network topology information in the coverage of the network node, the usage information associated with the user equipment, the measurement configuration related information associated with the height location information to the user equipment;
- the network topology information at least includes: cell information within the coverage of the network node or
- WIFI access point information or D2D network node information and geographic location information of the cell or WIFI access point or D2D network node,
- the idiom information associated with the user equipment is the cell or WIFI access point information that the user equipment has accessed multiple times, or the cell or WIFI access point information that the user equipment tends to access, or the specific cell or WIFI access set by the user. Point information, or based on statistical or user-set WIFI or D2D propensity information.
- the present invention also provides a cell discovery apparatus, including:
- the receiving module is configured to: receive measurement configuration information related to the height location information sent by the network node;
- the measurement execution module is set to: perform corresponding measurement according to the height positioning result and the measurement configuration related information.
- the measurement execution module includes:
- the measuring unit is set to: perform high positioning using a barometer or a pneumatic altimeter built into the user device;
- control unit configured to: when determining that the height positioning result satisfies the condition that the measurement or the WIFI or D2D related opening or measurement in the measurement configuration related information in the measurement configuration related information is triggered, configuring the related information on the measurement Perform measurement or perform WIFI in one or more measurement objects Or D2D corresponding measurement, or open the WIFI or D2D related function module of the user equipment.
- An embodiment of the present invention provides a cell discovery method and device, where a network node sends measurement configuration related information to a UE, and then the UE performs corresponding measurement according to measurement configuration related information, thereby implementing convenient and efficient small cell discovery, and solving a small cell.
- the discovery process triggers problems that are not timely and consumes a lot of power.
- FIG. 1 is a flowchart of a cell discovery method according to Embodiment 1 of the present invention
- FIG. 2 is a flowchart of a cell discovery method according to Embodiment 2 of the present invention
- FIG. 3 is a third embodiment of the present invention
- FIG. 4 is a flowchart of a method for discovering a cell according to Embodiment 4 of the present invention
- FIG. 5 is a flowchart for discovering a cell according to Embodiment 5 of the present invention
- FIG. 6 is a flowchart of a cell discovery method according to Embodiment 6 of the present invention
- FIG. 7 is a flowchart of a cell discovery method according to Embodiment 7 of the present invention
- FIG. 9 is a schematic structural diagram of a cell discovery apparatus according to Embodiment 9 of the present invention
- FIG. 10 is a schematic diagram of a configuration of a cell discovery apparatus according to Embodiment 9 of the present invention
- FIG. 11 is a structural diagram of a cell discovery apparatus according to Embodiment 10 of the present invention -
- FIG. 12 is a schematic diagram of a structure of a cell discovery apparatus provided in Embodiment 10 of the present invention. Preferred embodiment of the invention
- the related technology does not trigger the UE to perform inter-frequency measurement in time to discover small cells, and thus cannot effectively offload the UE to the small cell, affecting the spectrum efficiency of the operator network, and the UE needs a long time to perform the small cell discovery process.
- the UE consumes a large amount of power required for the small cell discovery process.
- an embodiment of the present invention provides a cell discovery method and apparatus, where location information of a UE is obtained by a network node, where location information includes horizontal location information and/or altitude.
- the location information may be configured for the UE according to the location information of the UE, so that the UE performs the corresponding measurement or activates the WIFI or D2D function module in time to discover a nearby cell or a WIFI access point or a neighboring UE.
- the technical solution provided by the embodiment of the present invention can trigger the UE to perform measurement to discover a small cell in the vicinity, and the network can offload the UE to the small cell, which can effectively improve
- the spectrum efficiency of the carrier network can minimize the number of cells or frequency points that the UE needs to measure, which can effectively shorten the time required for the UE to perform the small cell discovery process, and reduce the power consumption of the UE required for the small cell discovery process.
- a low-cost barometer or a pneumatic altimeter or a gyro-based altimeter is built in the UE for conveniently and quickly performing high-position positioning of the UE.
- the technical solution provided by the embodiments of the present invention is applicable to a cellular communication system, and the communication system includes at least a base station, a user equipment (UE), and a mobility management entity (MME).
- the user equipment can be a cellular telephone, a cordless telephone, a conference initiation protocol (SIP) telephone, a wireless local loop station (WLL), a personal digital assistant (PDA), a handheld device with wireless connectivity, a computing device, or a wireless connection
- SIP conference initiation protocol
- WLL wireless local loop station
- PDA personal digital assistant
- Other processing devices of the modem take the UE as a user equipment as an example for description.
- a base station can be used to communicate with a wireless terminal, and can also be referred to as an access point, Node B, or other terminology.
- Cellular communication can be performed between the base station and the wireless terminal, and the cellular communication can include GSM, CDMA, WCDMA, TD-SCDMA, UMTS, LTE, and other communications using
- the embodiment of the invention provides a cell discovery method, and the process of completing the cell discovery by using the method is as shown in FIG. 1 .
- the user equipment can be horizontally positioned.
- the process of horizontal positioning is as follows:
- Step 101 Determine whether the user equipment has entered the indoor environment.
- This step can be implemented by the user equipment, or can be implemented by the network node.
- the user equipment determines whether it has entered the indoor environment, it can be implemented by: the user equipment uses the built-in thermometer to measure the current temperature value, and then according to The predetermined rule determines whether the indoor environment has been entered; or,
- the user equipment determines, according to the horizontal location information of the user equipment, whether the user equipment has entered an indoor environment.
- the network node can determine that the user equipment has entered the indoor environment by:
- the network node receives the current temperature value sent by the user equipment or the indication information that has been determined to enter the indoor environment according to the current temperature value and the predetermined rule;
- the network node determines whether the user equipment has entered the indoor environment according to the current temperature value or the indication information sent by the user equipment or the horizontal location information of the user equipment.
- Step 102 After determining that the user equipment has entered the indoor environment, triggering performing horizontal positioning on the user equipment.
- step 101 when the user equipment determines whether it has entered the indoor environment, the user equipment automatically performs horizontal positioning of the user equipment based on an event that the user equipment has entered the indoor environment.
- the network node may indicate that the user equipment has entered the indoor environment through the RRC dedicated signaling after determining that the user equipment has entered the indoor environment. Trigger the horizontal positioning of the user equipment.
- the user equipment receives the RRC-specific signaling sent by the network node, and triggers the horizontal positioning of the user equipment based on the event that the user equipment enters the indoor environment.
- Steps 101 to 102 are optional steps, that is, in the embodiment of the present invention, the user equipment may not be horizontally positioned.
- the determining whether the user equipment has entered the indoor environment may also be used as a trigger event for triggering the measurement of the highly-positioned measurement and/or the high-position information of the user equipment.
- Step 103 trigger a high positioning of the user equipment
- the user equipment may perform a high-level positioning on the user equipment, or may perform a high-level positioning by using an indication sent by the network node to the user equipment through RRC dedicated signaling.
- Step 104 The user equipment performs height positioning measurement.
- This step specifically measures the air pressure using a barometer or a pneumatic altimeter built into the user equipment to obtain a barometric pressure measurement.
- Step 105 The network node acquires location information of the user equipment that includes the height information.
- the network node obtains the location information by using the following manner:
- the network node acquires the location information of the user equipment by itself; or
- the network node acquires location information of the user equipment by using user input information of the user equipment;
- the network node acquires location information of the user equipment by retrieving user input information of the user equipment.
- the network node sends measurement configuration related information to the user equipment according to the location information of the user equipment, and instructs the user equipment to perform corresponding measurement according to the measurement configuration related information.
- the user equipment performs height positioning measurement, specifically, using a built-in barometer or a pneumatic altimeter to measure the air pressure to obtain a barometric pressure measurement value;
- the user equipment calibrates the air pressure measurement value according to the obtained calibration data to obtain a height value corresponding to the air pressure measurement value
- the user equipment reports the height value as the height position information to the network node.
- Method 2 The user equipment reports the height value as the height position information to the network node.
- the user equipment performs height positioning measurement, specifically, using a built-in barometer or a pneumatic altimeter to measure the air pressure to obtain a barometric pressure measurement value;
- the user equipment reports the air pressure measurement value to the network node as the height position information.
- the network node is calibrated according to local calibration data to obtain a height value corresponding to the air pressure measurement value.
- the triggering event that triggers the highly-positioned measurement and/or altitude-positioning information reported by the user equipment includes that the user equipment has entered an indoor environment, and the altitude-positioning information includes air pressure measurements and/or altitude values.
- the triggering event that triggers the reporting of the height positioning information of the user equipment includes:
- the current pressure measurement value or the height measurement value changes by a predetermined value compared with the previous air pressure measurement value or the height measurement value;
- Step 106 The network node sends measurement configuration related information to the user equipment according to the location information of the user equipment.
- the network node instructs the user equipment to perform corresponding measurement according to the measurement configuration related information by sending measurement configuration related information.
- the network node sends the measurement configuration related information to the user equipment according to the location information of the user equipment and the network topology information in the coverage of the network node, where the network topology information includes:
- the cell information in the coverage of the network node and the geographical location information of the cell or the WIFI access point information in the coverage of the network node and the geographic location information of the WIFI access point, or
- the network node obtains the network topology information of the coverage area by: obtaining, by the network node, the network topology information by using a configuration manner; or
- the network node obtains the network topology information by using the proximity indication reported by the user equipment in combination with performing location information of the reported user equipment.
- the sending, by the network node, the measurement configuration related information to the user equipment according to the location information of the user equipment and the network topology information in the coverage of the network node is specifically:
- the network node sends the measurement configuration related information to the user equipment according to the horizontal location information and the height location information of the user equipment, where the measurement configuration related information includes any one of the following group information:
- the first set of information one or more measurement object information, or,
- the second group of information the WIFI function module opening indication of the user equipment, and/or the WIFI access point information, or,
- the third set of information, the D2D function module enable indication of the user equipment, and/or the D2D related measurement configuration information.
- the D2D related measurement configuration information includes: a resource, or an identifier, or sequence-related information that the user equipment performs D2D discovery or D2D communication transmission and/or reception.
- the measurement object information includes:
- the system information to be measured including: CDMA2000, E-UTRAN, UTRAN and GERAN, and / or,
- Cell information on a frequency point to be measured including physical cell identification information of the cell.
- Step 107 The user equipment receives measurement configuration related information that is sent by the network node according to the location information of the user equipment that includes the height information.
- Step 108 The user equipment performs a corresponding measurement according to the measurement configuration related information.
- the embodiment of the present invention provides a cell discovery method, which is described by taking a base station as a network node and a UE as a user equipment.
- the method for determining whether the UE enters the indoor environment according to the horizontal location information of the UE, and the base station according to the horizontal positioning and the height positioning node If the UE is configured to measure objects is shown in Figure 2, including:
- Step 201 Perform horizontal positioning of the UE.
- This step can use the following methods:
- GNSS Global Navigation Satellite Positioning Method
- E-CID enhanced cell identity
- OTDOA downlink arrival time observation difference
- UTDOA upstream arrival time observation difference
- the above-mentioned horizontal positioning may be triggered by the UE periodically, or triggered by the user, and may also be initiated by the network, for example, after the network learns the approximate geographic location of the UE according to the measurement report of the UE.
- Step 202 After obtaining the horizontal positioning result, the UE may determine whether the UE has entered the indoor environment according to the map information, or the base station obtains the horizontal location information of the UE and determines whether the UE has entered the indoor environment according to the map information. If yes, go to step 203; otherwise, do not trigger altitude positioning and end the current process.
- Step 203 If the UE determines whether the indoor environment has been entered, the UE may autonomously trigger to perform the altitude positioning after determining that the UE has entered the indoor environment. If the base station determines whether the UE has entered the indoor environment, the base station may trigger the altitude positioning of the UE. The base station may indicate the UE by using RRC dedicated signaling.
- the UE measures the current air pressure value using a built-in barometer or a pneumatic altimeter or based on a gyro ritual altimeter to perform altitude positioning. After the UE measurement is completed, the height position information is reported to the base station.
- the height position information may be a barometric pressure value or a height value.
- the UE needs to calibrate the air pressure value to a corresponding height value according to the calibration data before reporting.
- the UE can obtain calibration data by:
- the air pressure value and the corresponding altitude value of the serving base station and/or the neighboring base station received by the user input method; or the OTA method; or from the base station;
- the base station calibrates the air pressure value to a corresponding height value according to the local calibration data.
- the base station may further acquire location information of the UE by using user input information of the UE, or the base station may acquire location information of the UE by performing retrieval on the user input information.
- Step 204 After obtaining the horizontal positioning and the high positioning result of the UE, the base station may determine, according to the network topology information, the measurement configuration related information of the UE.
- the network topology information includes: cell information (frequency point, physical cell identifier, etc.) and corresponding geographical location information, or WIFI access point information and corresponding geographical location information, or a D2D network node and corresponding geographical location information.
- the base station can obtain the network topology information by using a configuration manner; or the base station can obtain the network topology information by using other UEs to report the near part indication. Specifically, the base station may record and collect the neighboring indication information reported by other UEs, and obtain the network topology information according to the location information of the reported UE.
- the base station may send measurement configuration related information to the UE by using RRC dedicated signaling (for example, an RRC reconfiguration message), including:
- the measurement object information includes a system, frequency point information, cell information, and the like.
- the system includes: CDMA2000, E-UTRAN, UTRAN, GERAN, etc., wherein the cell information includes physical cell identification information.
- the UE's WIFI function module enables the indication, and/or the WIFI access point information.
- the UE's D2D function module turns on the indication, and/or the D2D related measurement configuration information.
- the D2D related measurement configuration information includes: a resource, or an identifier, or sequence-related information that the UE performs D2D discovery or D2D communication transmission and/or reception.
- the base station may further determine, according to the location information or the temperature measurement information of the UE, that the UE leaves the indoor environment or leaves the specific cell/WIFI access point/D2D network, and the measurement configuration related information sent by the UE includes the deletion of the measurement object. Or the WIFI function module shutdown indication, or the D2D function module shutdown indication.
- Step 205 The UE performs measurement on the measurement object to be measured according to the measurement configuration information sent by the base station, or starts a corresponding WIFI or D2D function module, or performs corresponding WIFI or D2D related measurement to discover a corresponding cell or WIFI access point. Or adjacent to the UE.
- Step 206 The UE determines, according to its own height positioning measurement, whether the predetermined condition for reporting the height information is met. For example, the magnitude of the change in the current barometric pressure measurement compared to the last barometric pressure measurement reaches a predetermined value configured by the base station. Alternatively, the current barometric pressure measurement is within a predetermined barometric pressure range configured by the base station. If yes, go to step 207, otherwise go back to step 205.
- Step 207 If the predetermined condition is met, triggering the height information reporting of the UE, that is, the UE sends the current altitude location information to the base station.
- the height position information may be a barometric pressure value or a height value. If the height position information reported by the UE is a height value, the UE needs to calibrate the air pressure value to a corresponding height value according to the calibration data before reporting.
- the UE can obtain the calibration data by using the user input mode; or the OTA mode, or the air pressure value and the corresponding altitude value of the serving base station and/or the neighboring base station received from the base station; if the height position information reported by the UE is the air pressure value Then, the base station calibrates the air pressure value to a corresponding height value according to the local calibration data. After the base station obtains the height information of the UE, the foregoing step 204 is performed, and details are not described herein again.
- the embodiment of the present invention provides a cell discovery method, which is described by taking a base station as a network node and a UE as a user equipment.
- the base station in a manner of determining whether the UE enters the indoor environment according to the temperature measurement, the base station configures a method for the UE to be measured according to the horizontal positioning and the high positioning result, and uses the cell discovery method provided by the present invention to control
- the process of the UE completing the measurement is as shown in FIG. 3, including:
- Step 301 The UE performs temperature measurement.
- Step 302 The UE or the base station determines whether the UE has entered the indoor environment. In case the UE performs the judgment, the UE uses the built-in thermometer to measure the temperature value of the current environment, and then determines whether the UE has entered the indoor environment according to a predetermined rule. For example, the predetermined rule may compare the current temperature measurement reading with the previous temperature reading. The magnitude of the change reaches a predetermined value. If the result of the determination is that the indoor environment is not entered, the horizontal or high positioning is not triggered, and the current process is ended. If it is determined that the UE has entered the indoor environment, step 303 is performed.
- the UE may send the current temperature measurement value or the indication information of whether to enter the indoor environment determined according to the current temperature value and the predetermined rule to the base station, and the base station determines whether the UE has entered the indoor environment.
- Step 303 If the UE determines whether the indoor environment has been entered, the UE determines that the user has entered The indoor environment can be autonomously triggered to perform horizontal positioning and/or high positioning. If the base station determines whether the UE enters the indoor environment, the base station can trigger the horizontal positioning and/or the high positioning of the UE. Specifically, the base station can pass the RRC dedicated signaling. Indicate the UE. If the UE needs to perform horizontal positioning and altitude positioning, it should be noted that the order of horizontal positioning and height positioning is not limited.
- the UE can be positioned horizontally using the following methods:
- GNSS Global Navigation Satellite Positioning Method
- E-CID enhanced cell identity
- OTDOA downlink arrival time observation difference
- UTDOA upstream arrival time observation difference
- the UE measures the current air pressure value using a built-in barometer or a pneumatic altimeter or based on a gyro ritual altimeter to perform altitude positioning. After the UE measurement is completed, the height position information is reported to the base station.
- the height position information may be a barometric pressure value or a height value. If the height position information reported by the UE is a height value, the UE needs to calibrate the air pressure value to a corresponding height value according to the calibration data before reporting.
- the UE can obtain the calibration data by using the user input mode; or the OTA method, or the air pressure value and the corresponding altitude value of the serving base station and/or the neighboring base station received from the base station; if the altitude position information reported by the UE is the air pressure value Then, the base station calibrates the air pressure value to a corresponding height value according to the local calibration data.
- the base station may also obtain the location information of the UE by using the user input information of the UE, or the base station may obtain the location information of the UE by searching the user input information.
- Step 304 After obtaining the horizontal positioning and the high positioning result of the UE, the base station may determine, according to the network topology information, the measurement configuration related information of the UE.
- the network topology information includes: cell information (frequency point, physical cell identifier, etc.) and corresponding geographical location information, or WIFI access point information and corresponding geographical location information, or a D2D network node and corresponding geographical location information.
- the base station may obtain the network topology information by using a configuration manner; or the base station may obtain the network topology information by reporting the neighbor indication by other UEs. Specifically, the base station may record and collect the neighboring indication information reported by the other UE, and obtain the network topology information according to the location information of the reported UE.
- the base station may send measurement configuration related information to the UE by using RRC dedicated signaling (for example, an RRC reconfiguration message), including:
- the measurement object information includes a standard, frequency point letter Interest, community information, etc.
- the system includes: CDMA2000, E-UTRAN, UTRAN, GERAN, etc., wherein the cell information includes physical cell identification information.
- the UE's WIFI function module enables the indication, and/or the WIFI access point information.
- the UE's D2D function module turns on the indication, and/or the D2D related measurement configuration information.
- the D2D related measurement configuration information includes: a resource, or an identifier, or sequence-related information that the UE performs D2D discovery or D2D communication transmission and/or reception.
- the base station may further determine, according to the location information or the temperature measurement information of the UE, that the UE leaves the indoor environment or leaves the specific cell/WIFI access point/D2D network, and the measurement configuration related information sent by the UE includes the deletion of the measurement object. Or the WIFI function module shutdown indication, or the D2D function module shutdown indication.
- Step 305 The UE performs measurement on the measurement object to be measured according to the measurement configuration information sent by the base station, or starts a corresponding WIFI or D2D function module, or performs corresponding WIFI or D2D related measurement to discover a corresponding cell or WIFI access point. Or adjacent to the UE.
- Step 306 The UE determines, according to its own height positioning measurement, whether the predetermined condition for reporting the height information is met. For example, the change range of the current air pressure measurement value compared with the previous air pressure measurement value reaches a predetermined value configured by the base station; or, the current air pressure measurement value is The base station is configured within a predetermined range of air pressure values. If the reporting condition is not satisfied, the process returns to step 305.
- Step 307 If the predetermined condition is met, triggering the height information reporting of the UE, that is, the UE sends the current altitude location information to the base station.
- the height position information may be a barometric pressure value or a height value. If the height position information reported by the UE is a height value, the UE needs to calibrate the air pressure value to a corresponding height value according to the calibration data before reporting.
- the UE can obtain the calibration data by using the user input mode; or the OTA method, or the air pressure value and the corresponding altitude value of the serving base station and/or the neighboring base station received from the base station; if the altitude position information reported by the UE is the air pressure value Then, the base station calibrates the air pressure value to a corresponding height value according to the local calibration data. After the base station obtains the height information of the UE, the eNB continues to perform the foregoing step 304, and details are not described herein again.
- the embodiment of the invention provides a cell discovery method, where the base station is used as a network node and a UE.
- the device is described as an example.
- the base station configures the measurement target for the UE according to the horizontal positioning and the high positioning result, and the process of controlling the U to complete the measurement by using the cell discovery method provided by the embodiment of the present invention is as shown in FIG. 4, and includes:
- Step 401 The UE performs altitude positioning and reporting. Specifically, the UE measures the current air pressure value using a built-in barometer or a pneumatic altimeter or based on a gyro ritual altimeter to perform altitude positioning. After the UE measurement is completed, the height position information can be sent to the base station.
- the height position information may be a barometric pressure value or a height value.
- the UE may perform altitude positioning and reporting periodically, or may perform altitude positioning and reporting based on event triggering or periodic triggering based on event triggering.
- the trigger event may be that the current air pressure measurement value has a predetermined value compared with the previous air pressure measurement value; or, the current air pressure measurement value is within a predetermined air pressure value range.
- the UE needs to calibrate the air pressure value to a corresponding height value according to the calibration data before reporting.
- the UE can obtain the calibration data by using the user input mode; or the OTA method, or the air pressure value and the corresponding altitude value of the serving base station and/or the neighboring base station received from the base station; if the altitude position information reported by the UE is the air pressure value Then, the base station calibrates the air pressure value to a corresponding height value according to the local calibration data.
- Step 402 After obtaining the high positioning result, the UE may determine whether the indoor environment has been entered according to a preset rule, or a user input information, or other positioning result. Or the base station obtains the high-position information of the UE, and determines whether the UE has entered the indoor environment according to the preset rule and/or the approximate location of the UE. This step is an optional step. If the UE has entered the indoor environment, step 403 is performed; if the UE does not enter the indoor environment, the horizontal positioning is not triggered, and the current process is ended.
- Step 403 If the UE determines whether to enter the indoor environment, the UE may determine to perform the horizontal positioning autonomously when the UE determines to enter the indoor environment. If the base station determines whether the UE has entered the indoor environment, the base station may trigger the horizontal positioning of the UE. Specifically, The base station can indicate the UE by RRC dedicated signaling.
- GNSS Global Navigation Satellite Positioning Method
- E-CID enhanced cell identity
- OTDOA downlink arrival time observation difference
- UTDOA upstream arrival time observation difference
- the base station may further acquire location information of the UE by using user input information of the UE, or The base station can obtain the location information of the UE by searching the user input information.
- Step 404 After obtaining the horizontal positioning and the high positioning result of the UE, the base station may determine, according to the network topology information, the measurement configuration related information of the UE.
- the network topology information includes: cell information (frequency point, physical cell identifier, etc.) and corresponding geographical location information, or WIFI access point information and corresponding geographical location information, or a D2D network node and corresponding geographical location information.
- the base station may obtain the network topology information by using a configuration manner; or the base station may obtain the network topology information by reporting the neighbor indication by other UEs. Specifically, the base station may record and collect the neighboring indication information reported by the other UE, and obtain the network topology information according to the location information of the reported UE.
- the base station may send measurement configuration related information to the UE by using RRC dedicated signaling (for example, an RRC reconfiguration message), including:
- the measurement object information includes a system, frequency point information, cell information, and the like.
- the system includes: CDMA2000, E-UTRAN, UTRAN, GERAN, etc., wherein the cell information includes physical cell identification information.
- the UE's WIFI function module enables the indication, and/or the WIFI access point information.
- the UE's D2D function module turns on the indication, and/or the D2D related measurement configuration information.
- the D2D related measurement configuration information includes: a resource, or an identifier, or sequence-related information that the UE performs D2D discovery or D2D communication transmission and/or reception.
- the base station may further determine, according to the location information or the temperature measurement information of the UE, that the UE leaves the indoor environment or leaves the specific cell/WIFI access point/D2D network, and the measurement configuration related information sent by the UE includes the deletion of the measurement object. Or the WIFI function module shutdown indication, or the D2D function module shutdown indication.
- Step 405 The UE measures the measurement object to be measured according to the measurement configuration information sent by the base station, or starts a corresponding WIFI or D2D function module, or performs corresponding WIFI or D2D related measurement to discover a corresponding cell or WIFI access point. Or adjacent to the UE.
- Step 406 The UE determines, according to its own height positioning measurement, whether the predetermined condition for reporting the height information is met, for example, the change range of the current air pressure measurement value compared with the previous air pressure measurement value reaches a predetermined value of the base station configuration; or, the current air pressure measurement value is The base station is configured within a predetermined range of air pressure values. If not, then return to step 405.
- Step 407 If the predetermined condition is met, triggering the height information reporting of the UE, that is, the UE sends the current altitude location information to the base station.
- the height position information may be a barometric pressure value or a height value.
- the UE needs to calibrate the air pressure value to a corresponding height value according to the calibration data before reporting.
- the UE can obtain the calibration data by using the user input mode; or the OTA method, or the air pressure value and the corresponding altitude value of the serving base station and/or the neighboring base station received from the base station; if the altitude position information reported by the UE is the air pressure value Then, the base station calibrates the air pressure value to a corresponding height value according to the local calibration data. After the base station obtains the height information of the UE, the foregoing step 404 is performed, and details are not described herein again.
- the embodiment of the present invention provides a cell discovery method, which is described by taking a base station as a network node and a UE as a user equipment.
- the base station in a manner of determining whether the UE enters the indoor environment according to the horizontal location information of the UE, the base station configures the measurement object and the associated height information for the UE according to the horizontal positioning result of the UE, and uses the method to complete the control.
- the process of UE measurement is shown in Figure 5, including:
- Step 501 Perform horizontal positioning of the UE, and use the following methods:
- GNSS Global Navigation Satellite Positioning Method
- E-CID enhanced cell identity
- OTDOA downlink arrival time observation difference
- UTDOA upstream arrival time observation difference
- the above-mentioned horizontal positioning may be triggered by the UE periodically, or triggered by the user, and may also be initiated by the network, for example, after the network learns the approximate geographical location of the UE according to the measurement report of the UE.
- Step 502 After obtaining the horizontal location information of the UE, the base station determines, according to the map information, whether the UE has entered the indoor environment. Or the UE may determine whether to enter the indoor environment in combination with the map information after obtaining the horizontal positioning result. If the UE determines that it enters the indoor environment, the UE can report the horizontal location information to the base station. If you do not enter the indoor environment, continue to judge.
- the base station may also obtain the location information of the UE by using the user input information of the UE, or the base station may obtain the location information of the UE by searching the user input information.
- Step 503 If the UE or the base station determines that the UE enters the indoor environment, the base station obtains water of the UE.
- the flat location information is combined with the network topology information to determine the horizontal location of the UE, and the measurement configuration related information of the UE is determined.
- the network topology information includes: cell information (frequency point, physical cell identifier, etc.) and corresponding geographical location information, or WIFI access point information and corresponding geographical location information, or a D2D network node and corresponding geographical location information.
- the base station can obtain the network topology information by using a configuration manner; or the base station can obtain the network topology information by using other UEs to report the partial indication. Specifically, the base station may record and collect the neighboring indication information reported by the other UE, and obtain the network topology information according to the location information of the reported UE.
- the base station may send measurement configuration related information to the UE through RRC dedicated signaling (e.g., RRC reconfiguration message).
- RRC dedicated signaling e.g., RRC reconfiguration message.
- the measurement configuration related information includes:
- the measurement object information includes: a system, a frequency point, a physical cell identifier, and the like.
- the specifications include: CDMA2000, E-UTRAN, UTRAN, GERAN, etc.
- the UE's WIFI function module enable indication, and/or WIFI access point information, and/or the height value or barometric pressure value corresponding to the WIFI access point information.
- the D2D function module opening indication of the UE, and/or the D2D related measurement configuration information, and/or the height value or the air pressure value corresponding to the D2D related measurement configuration information includes: a resource, or an identifier, or sequence-related information that the UE performs D2D discovery or D2D communication transmission and/or reception.
- the base station may further determine, according to the location information or the temperature measurement information of the UE, that the UE leaves the indoor environment or leaves the specific cell/WIFI access point/D2D network, and the measurement configuration related information sent by the UE includes the deletion of the measurement object. Or the WIFI function module shutdown indication, or the D2D function module shutdown indication.
- Step 504 The UE determines, according to the measurement configuration related information and the altitude positioning result sent by the base station, the measurement object to be measured, and performs corresponding measurement, or starts a corresponding WIFI or D2D function module, or performs a corresponding WIFI or D2D related measurement to discover Corresponding cell or WIFI access point or neighboring UE.
- the measurement configuration related information includes one or more measurement object information and a height value or a barometric pressure value corresponding to the measurement object
- the UE measures the air pressure value or the height value according to a built-in barometer or a barometer altimeter or based on a gyro ceremony altimeter. And measuring configuration related information to determine one or more measurement objects to be measured corresponding to the obtained measurement values, and then performing the measurement object to be measured Make the corresponding measurements.
- the embodiment of the present invention provides a cell discovery method, which is described by taking a base station as a network node and a UE as a user equipment.
- the base station configures the object to be measured according to the horizontal positioning result, and the process of controlling the UE to complete the measurement by using the method is as shown in FIG. 6 . , including:
- Step 601 The UE performs temperature measurement.
- Step 602 The UE or the base station determines whether the UE has entered the indoor environment.
- the UE uses the built-in thermometer to measure the temperature value of the current environment, and then determines whether it has entered the indoor environment according to a predetermined rule.
- the predetermined rule may compare the current temperature measurement reading with the previous temperature reading. The amplitude reaches a predetermined value.
- the UE may send the current temperature measurement value or the indication information of whether to enter the indoor environment determined according to the current temperature value and the predetermined rule to the base station, and the base station determines whether the UE enters the indoor environment.
- Step 603 If the UE determines whether the indoor environment has been entered, the UE may perform autonomous positioning to perform horizontal positioning when the UE determines that the indoor environment has been entered. If the base station determines whether the UE has entered the indoor environment, the base station may trigger the horizontal positioning of the UE. The base station may indicate the UE by using RRC dedicated signaling.
- the UE can be positioned horizontally using the following methods:
- GNSS Global Navigation Satellite Positioning Method
- E-CID enhanced cell identity
- OTDOA downlink arrival time observation difference
- UTDOA upstream arrival time observation difference
- the base station may also obtain the location information of the UE by using the user input information of the UE, or the base station may obtain the location information of the UE by searching the user input information.
- Step 604 If the UE or the base station determines that the UE has entered the indoor environment, the base station obtains the horizontal location information of the UE, determines the plane location of the UE according to the network topology information, and determines the measurement configuration related information of the UE.
- the network topology information includes: cell information (frequency point, physical cell standard) Knowledge, etc.) and corresponding geographical location information, or WIFI access point information and corresponding geographical location information, or D2D network nodes and corresponding geographical location information.
- the base station can obtain the network topology information by using a configuration manner; or the base station can obtain the network topology information by using other UEs to report the partial indication. Specifically, the base station may record and collect the neighboring indication information reported by the other UE, and obtain the network topology information according to the location information of the reported UE.
- the base station may send measurement configuration related information to the UE through RRC dedicated signaling (e.g., RRC reconfiguration message).
- RRC dedicated signaling e.g., RRC reconfiguration message.
- the measurement configuration related information includes:
- the measurement object information includes: a system, a frequency point, a physical cell identifier, and the like.
- the specifications include: CDMA2000, E-UTRAN, UTRAN, GERAN, etc.
- the UE's WIFI function module enable indication, and/or WIFI access point information, and/or the height value or barometric pressure value corresponding to the WIFI access point information.
- the D2D function module opening indication of the UE, and/or the D2D related measurement configuration information, and/or the height value or the air pressure value corresponding to the D2D related measurement configuration information includes: a resource, or an identifier, or sequence-related information that the UE performs D2D discovery or D2D communication transmission and/or reception.
- the base station may further determine, according to the location information or the temperature measurement information of the UE, that the UE leaves the indoor environment or leaves the specific cell/WIFI access point/D2D network, and the measurement configuration related information sent by the UE includes the deletion of the measurement object. Or the WIFI function module shutdown indication, or the D2D function module shutdown indication.
- Step 605 The UE determines the measurement object to be measured according to the measurement configuration related information and the altitude positioning result sent by the base station, and performs corresponding measurement, or turns on the corresponding WIFI or D2D function module, or performs corresponding WIFI or D2D related measurement to discover Corresponding cell or WIFI access point or neighboring UE.
- the measurement configuration related information includes one or more measurement object information and a height value or a barometric pressure value corresponding to the measurement object
- the UE measures the air pressure value or the height value according to a built-in barometer or a barometer altimeter or based on a gyro ceremony altimeter. And measuring configuration related information to determine one or more measurement objects to be measured corresponding to the obtained measurement values, and then performing corresponding measurements on the measurement objects to be measured.
- Embodiment 7 of the present invention will be described below with reference to the accompanying drawings.
- the embodiment of the invention provides a cell discovery method.
- the network node can send measurement configuration related information associated with the height location information to the user equipment without obtaining the location information of the user equipment.
- the process of using this method to complete the measurement is shown in Figure 7, including:
- Step 701 The network node sends, to the user equipment, measurement configuration related information associated with the height location information.
- the network node does not need to obtain the location information of the user, that is, the measurement configuration related information is sent to the user equipment.
- the measurement configuration related information associated with the height position information includes any one of the following group information:
- the fourth group information one or more measurement object information and condition information that triggers measurement of the measurement object.
- the fifth group information the WIFI function module opening indication of the user equipment, and/or the WIFI access point information, and the condition information for triggering the measurement of the WIFI function module and the measurement of the WIFI access point,
- the sixth group of information the D2D function module opening indication of the user equipment, and/or the D2D related measurement configuration information, and the condition information for triggering the measurement related to the D2D function module opening and D2D.
- the D2D related measurement configuration information includes:
- the user equipment performs resources, or identification, or sequence related information for transmission and/or reception of D2D discovery or D2D communication.
- the condition information includes:
- the threshold for the barometric or altitude value is the threshold for the barometric or altitude value.
- the specific implementation of this step includes:
- the network node Transmitting, by the network node, measurement configuration related information associated with the height location information to the user equipment according to the network topology information in the coverage area; or The network node sends measurement configuration related information associated with the height location information to the user equipment according to the network topology information in the coverage area and the usage information associated with the user equipment; or, the network node is configured according to the user equipment
- the horizontal location information and the network topology information within its coverage transmit measurement configuration related information associated with the altitude location information to the user equipment.
- the network topology information at least includes: cell information or WIFI access point information or D2D network node information in the coverage of the network node, and geographic location information of the cell or WIFI access point or D2D network node.
- the idiom information associated with the user equipment is the cell or WIFI access point information that the user equipment has accessed multiple times, or the cell or WIFI access point information that the user equipment tends to access, or the specific cell or WIFI access set by the user. Point information, or based on statistical or user-set WIFI or D2D propensity information.
- Step 702 The user equipment receives measurement configuration related information that is sent by the network node and is associated with the height location information.
- Step 703 The user equipment performs corresponding measurement according to the height positioning result and the measurement configuration related information.
- This step is as follows:
- the user equipment performs altitude positioning using a built-in barometer or a pneumatic altimeter or a gyro ceremonial altimeter;
- the user equipment is related to the measurement configuration when determining that the height positioning result satisfies the measurement of the measurement object in the measurement configuration related information, or the condition of opening or measuring related to WIFI or D2D.
- One or more measurement objects in the information perform measurement or perform WIFI or D2D corresponding measurement, or turn on WIFI or D2D related function modules.
- the embodiment of the present invention provides a cell discovery method, which is described by taking a base station as a network node and a UE as a user equipment.
- the base station does not need to obtain the location information of the UE, and configures measurement configuration related information associated with the height location information for the UE.
- the process for controlling the UE to complete the measurement by using the method is as shown in FIG. 8 , and includes: Step 801:
- the base station sends measurement configuration related information associated with the height location information to the UE.
- the measurement configuration related information associated with the height location information includes:
- the UE's WIFI function module enable indication, and/or WIFI access point information, and corresponding condition information for triggering measurement of the WIFI access point.
- the D2D function module of the UE turns on the indication, and/or the D2D related measurement configuration information, and the corresponding condition information of the measurement that triggers the D2D.
- the D2D related measurement configuration information includes: a resource, or an identifier, or sequence related information, that the UE performs D2D discovery or D2D communication transmission and/or reception.
- the trigger condition information is a value range of the air pressure value or the height value; or a threshold value of the air pressure value or the height value
- the base station may send measurement configuration related information associated with the height location information to the UE according to the network topology information in its coverage.
- the network topology information includes: cell information (frequency point, physical cell identifier, etc.) and corresponding geographical location information, or WIFI access point information and corresponding geographic location information, or D2D network node and corresponding geographical location information.
- the base station can obtain the network topology information by using a configuration manner; or the base station can obtain the network topology information by using other UEs to report the near indication.
- the base station may record and collect neighbor indication information reported by other UEs, and obtain network topology information according to the location information of the reported UE.
- the base station further sends measurement configuration related information associated with the height location information to the UE according to the network topology information in the coverage area and the idiom information associated with the UE.
- the UE-associated information is the cell or WIFI access point information that the UE has accessed multiple times, or the cell or WIFI access point information that the UE tends to access, or the specific cell or WIFI access point information set by the user. Or based on statistical or user-set WIFI or D2D propensity information.
- Step 802 The UE measures the current air pressure value using a built-in barometer or a barometer altimeter or based on a gyro ceremony altimeter to perform altitude positioning.
- Step 803 After performing the altitude positioning, the UE determines whether the height positioning result satisfies the measurement trigger condition associated with the height position information in the measurement configuration related information. If yes, go to step 804, otherwise, go to step 802. Step 804: If the UE determines that the altitude positioning result satisfies the measurement trigger condition in the measurement configuration related information associated with the height position information, perform corresponding measurement or perform a WIFI or D2D corresponding measurement on the one or more measurement objects corresponding to the measurement trigger condition. Or open the WIFI or D2D related function module to discover the corresponding cell or WIFI access point or neighboring UE.
- the embodiment of the present invention provides a cell discovery apparatus, and the structure thereof is as shown in FIG. 9 , and includes: a location information obtaining module 901, configured to acquire location information of a user equipment that includes height information; and a configuration module 902, configured to The location information of the user equipment sends measurement configuration related information to the user equipment, and instructs the user equipment to perform corresponding measurement according to the measurement configuration related information.
- the location information obtaining module 901 includes:
- the first obtaining unit 9011 is configured to acquire location information of the user equipment by itself;
- the second obtaining unit 9012 is configured to acquire location information of the user equipment by using information reported by the user equipment.
- the third obtaining unit 9013 is configured to acquire location information of the user equipment by using user input information of the user equipment.
- the fourth obtaining unit 9014 is configured to obtain location information of the user equipment by searching for user input information of the user equipment.
- the device further comprises:
- the location indication module 903 is configured to instruct the user equipment to perform altitude positioning by using RRC dedicated signaling.
- the device further comprises:
- the environment determining module 904 is configured to determine that the user equipment has entered the indoor environment by:
- Receiving, by the user equipment, the current temperature value sent by the user equipment or the indication information that has been determined to enter the indoor environment according to the current temperature value and the predetermined rule The current temperature value or the indication information or the horizontal location information of the user equipment determines whether the user equipment enters an indoor environment.
- the location indication module 903 is further configured to: after the environment determining module determines that the user equipment has entered the indoor environment, indicate, by using RRC dedicated signaling, that the user equipment has entered the indoor environment.
- the configuration module 902 includes:
- the configuration execution unit 9021 sends measurement configuration related information to the user equipment according to the location information of the user equipment and the network topology information in the coverage of the network node, where the network topology information includes:
- the cell information in the coverage of the network node and the geographical location information of the cell or the WIFI access point information in the coverage of the network node and the geographic location information of the WIFI access point, or
- the configuration module 902 further includes:
- the topology information obtaining unit 9022 is configured to obtain network topology information of the coverage area by:
- the network topology information is obtained by using a proximity indication reported by the user equipment in conjunction with performing location information of the reported user equipment.
- the cell discovery device shown in Figure 9 can be integrated into a network node, and the network node performs the corresponding function.
- the embodiment of the present invention further provides another cell discovery device, which has the structure shown in FIG.
- the configuration information receiving module 1001 is configured to receive measurement configuration related information that is sent by the network node according to the location information of the user equipment that includes the height information;
- the measurement execution module 1002 is configured to perform a corresponding measurement according to the measurement configuration related information.
- the device further includes a positioning module 1003, the positioning module 1003 includes: a height measuring unit 10031, configured to perform height positioning measurement, specifically, performing air pressure measurement by using a built-in barometer or a pneumatic altimeter of the user equipment to obtain air pressure measurement value;
- the calculating unit 10032 is configured to calibrate the air pressure measurement value according to the obtained calibration data to obtain a height value corresponding to the air pressure measurement value;
- the reporting unit 10033 is configured to report the height value as the height location information to the network node.
- the upper unit 10033 is further configured to report the air pressure measurement value to the network node as the height position information, so that the network node calibrates the air pressure measurement value according to the local calibration data.
- the device further comprises:
- the triggering module 1004 is configured to autonomously trigger the positioning module 1001 to perform high positioning on the user equipment; or
- the positioning module 1001 And receiving an indication sent by the network node by using RRC dedicated signaling, and triggering, by the indication, the positioning module 1001 to perform altitude positioning.
- the triggering module 1004 is further configured to trigger a height positioning measurement and/or a height positioning information report of the user equipment when a triggering event is detected, where the triggering event includes that the user equipment has entered an indoor environment.
- the height positioning information includes a barometric pressure measurement value and/or a height value
- the trigger event includes:
- the current pressure measurement value or the height measurement value changes by a predetermined value compared with the previous air pressure measurement value or the height measurement value;
- the current barometric pressure measurement or altitude measurement value is within a predetermined air pressure value or a predetermined height value range.
- the device further comprises:
- the environment determining module 1005 is configured to determine that the user equipment has entered the indoor environment by:
- thermometer of the user device uses the built-in thermometer of the user device to measure the current temperature value, and then according to The predetermined rule determines whether the indoor environment has been entered; or,
- the triggering module 1004 is further configured to trigger the positioning module to perform horizontal positioning on the user equipment based on an event that the user equipment has entered an indoor environment;
- the positioning module also includes a horizontal positioning unit for performing horizontal positioning of the user equipment.
- the cell discovery device shown in FIG. 10 can be integrated into the user equipment, and the user equipment performs the corresponding work.
- the embodiment of the present invention provides a cell discovery apparatus, and the structure thereof is as shown in FIG. 11 , and includes: a configuration module 1101, configured to send, to a user equipment, measurement configuration related information associated with the height location information, indicating that the user equipment is according to the height.
- the positioning result and the measurement configuration related information perform corresponding measurements.
- the configuration information sending module 1101 includes:
- the first configuration unit 11011 is configured to send measurement configuration related information associated with the height location information to the user equipment according to the network topology information in the coverage of the network node;
- the second configuration unit 11012 is configured to send measurement configuration related information associated with the height location information to the user equipment according to the network topology information in the coverage of the network node and the idiom information associated with the user equipment;
- the network topology information at least includes: cell information or WIFI access point information or D2D network node information in the coverage of the network node, and geographical location information of the cell or WIFI access point or D2D network node,
- the idiom information associated with the user equipment is the cell or WIFI access point information that the user equipment has accessed multiple times, or the cell or WIFI access point information that the user equipment tends to access, or the specific cell or WIFI access set by the user. Point information, or based on statistical or user-set WIFI or D2D Propensity information.
- the cell discovery device shown in Figure 11 can be integrated into a network node, and the network node performs the corresponding function.
- the embodiment of the present invention further provides another small area discovery device, which has the structure shown in FIG. 12, and includes:
- the configuration receiving module 1201 is configured to receive measurement configuration related information that is sent by the network node and is associated with the height location information;
- the measurement execution module 1202 is configured to perform a corresponding measurement according to the height positioning result and the measurement configuration related information.
- the measurement execution module 1201 includes:
- the measuring unit 12021 performs height positioning using a barometer or a pneumatic altimeter built in the user equipment;
- the control unit 12022 is configured to: when determining that the height positioning result satisfies the condition that the measurement or the WIFI or D2D related opening or measurement in the measurement configuration related information in the measurement configuration related information is triggered, configuring the related information on the measurement
- the one or more measurement objects perform measurement or perform WIFI or D2D corresponding measurement, or turn on the WIFI or D2D related function module of the user equipment.
- all or part of the steps of the foregoing embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.
- the invention is not limited to any particular combination of hardware and software.
- the devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
- each device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium.
- the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
- An embodiment of the present invention provides a cell discovery method and apparatus.
- the network node sends measurement configuration related information to the UE, and then the UE performs corresponding measurement according to the measurement configuration related information, thereby implementing convenient and efficient small cell discovery.
- the problem that the small cell discovery process is triggered in a timely manner and consumes a large amount of power is solved.
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Abstract
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US14/905,546 US9769739B2 (en) | 2013-07-15 | 2014-05-13 | Cell discovery method and device |
JP2016526416A JP6368784B2 (ja) | 2013-07-15 | 2014-05-13 | セル発見方法及び装置 |
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EP3010286A4 (en) | 2016-05-18 |
CN104301967A (zh) | 2015-01-21 |
EP3010286A1 (en) | 2016-04-20 |
US9769739B2 (en) | 2017-09-19 |
EP3010286B1 (en) | 2018-08-01 |
JP2016530770A (ja) | 2016-09-29 |
US20160157165A1 (en) | 2016-06-02 |
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