WO2018082040A1 - Dispositif de resélection de faisceau, dispositif de resélection de cellule et dispositif de déclenchement de mesure - Google Patents

Dispositif de resélection de faisceau, dispositif de resélection de cellule et dispositif de déclenchement de mesure Download PDF

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Publication number
WO2018082040A1
WO2018082040A1 PCT/CN2016/104703 CN2016104703W WO2018082040A1 WO 2018082040 A1 WO2018082040 A1 WO 2018082040A1 CN 2016104703 W CN2016104703 W CN 2016104703W WO 2018082040 A1 WO2018082040 A1 WO 2018082040A1
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WIPO (PCT)
Prior art keywords
channel quality
cell
terminal
predetermined
reselection
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PCT/CN2016/104703
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English (en)
Chinese (zh)
Inventor
吴联海
郤伟
贾美艺
Original Assignee
富士通株式会社
吴联海
郤伟
贾美艺
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Application filed by 富士通株式会社, 吴联海, 郤伟, 贾美艺 filed Critical 富士通株式会社
Priority to PCT/CN2016/104703 priority Critical patent/WO2018082040A1/fr
Publication of WO2018082040A1 publication Critical patent/WO2018082040A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station

Definitions

  • the present invention relates to the field of communications, and in particular, to a beam reselection device, a cell reselection device, and a device for triggering measurement.
  • the deployment scenarios of the new radio access technology mainly include:
  • Scenario 1 In a heterogeneous network deployment, cell coverage provides a similar size coverage, for example, only macro base station deployment or only small base station deployment; scenario 2: in heterogeneous network deployment, cell coverage overlaps, but the size is different, for example , a macro base station and a small base station mixed scene.
  • FIG. 1 is a schematic diagram of a network deployment scenario. As shown in FIG. 1 , Long Term Evolution (LTE) and NR cell co-located cell coverage have almost overlapping coverage, and both LTE and NR cells may be macro base stations or small base stations.
  • LTE Long Term Evolution
  • NR cell co-located cell coverage have almost overlapping coverage, and both LTE and NR cells may be macro base stations or small base stations.
  • FIG. 2 is another schematic diagram of a network deployment scenario.
  • the LTE and NR cells are co-located or non-co-located, overlapping, but the coverage size is different.
  • the LTE cell is a Macro Cell
  • the NR cell is a Small Cell, and vice versa.
  • co-location means that two cells are installed in the same place
  • non-co-location means that two cells are installed in different places.
  • One of the goals of future technology research is to support frequencies up to 100G Hz.
  • the energy is rapidly attenuated during the propagation process and cannot be widely covered.
  • beamforming is a key technique for compensating for propagation attenuation through high antenna gain. In general, one beam cannot cover the entire cell range, but full cell coverage can be achieved by multiple beams.
  • the terminal can measure the cell. There is no solution for measuring one or more corresponding beams, but how to implement trigger beam and cell measurements, how to implement trigger beam and cell reselection, and how to implement beam and cell reselection.
  • the embodiments of the present invention provide a device for triggering beam and cell measurement, a device for triggering beam and cell reselection, and a device for reselecting a beam and a cell, and solving a scenario corresponding to one or more beams in the NR cell.
  • the above problem is a problem.
  • a beam reselection apparatus comprising:
  • a first selecting unit configured to: when performing beam reselection, select an adjacent beam of a channel whose quality is higher than a channel quality of a serving beam of the terminal, or select a cell to which the terminal belongs The beam with the best channel quality.
  • a cell reselection apparatus including:
  • a second selecting unit configured to: when performing cell reselection, select a neighboring cell with a channel quality higher than a predetermined second channel offset of the serving cell of the terminal, or select a cell with the best channel quality.
  • an apparatus for triggering a measurement comprising:
  • a third triggering unit configured to: when the third triggering condition is met, trigger the terminal to measure the beam of the cell to which the terminal belongs; or trigger the terminal to perform measurement on the neighboring cell when the fourth triggering condition is met;
  • the third trigger condition is that the channel quality of the service beam of the terminal is less than a preset third threshold (TH3); or the service beam of the terminal is less than a preset third threshold (TH3) within a predetermined seventh time period (T7). );
  • the fourth trigger condition is that the channel quality of the serving cell of the terminal is less than a preset fourth threshold (TH4); or the channel quality of the serving cell of the terminal is less than the preset fourth in the predetermined eighth time period (T8). Threshold (TH4).
  • An embodiment of the present invention provides a method for implementing trigger beam and cell measurement, how to implement trigger beam and cell reselection, and a scenario in which one or more beams are corresponding to one or more beams in an NR cell. How to implement beam and cell reselection schemes.
  • Figure 1 is a schematic diagram of a network deployment scenario
  • FIG. 2 is another schematic diagram of a network deployment scenario
  • FIG. 3 is a schematic diagram of a method for trigger beam measurement according to Embodiment 1;
  • FIG. 4 is a schematic diagram of a method for trigger beam measurement according to Embodiment 1;
  • FIG. 5 is a schematic diagram of a method for determining whether a third trigger condition is satisfied according to the first embodiment
  • FIG. 6 is a schematic diagram of an apparatus for trigger beam measurement according to Embodiment 2;
  • FIG. 7 is a schematic diagram of an apparatus for trigger beam measurement according to Embodiment 3.
  • FIG. 8 is a schematic structural diagram of a terminal according to Embodiment 4 of the present invention.
  • FIG. 9 is a schematic diagram of a method of trigger beam reselection according to Embodiment 5.
  • FIG. 10 is a schematic diagram of a method for trigger beam measurement according to Embodiment 5.
  • FIG. 11 is a schematic diagram of a method for determining whether the first trigger condition is satisfied according to the fifth embodiment
  • FIG. 12 is a schematic diagram of an apparatus for trigger beam reselection according to Embodiment 6;
  • FIG. 13 is a schematic diagram of an apparatus for trigger beam reselection according to Embodiment 7;
  • Figure 14 is a block diagram showing the configuration of a terminal in the eighth embodiment.
  • FIG. 15 is a schematic diagram of a beam reselection method of the embodiment 9;
  • FIG. 16 is a schematic diagram of a beam reselection method of the embodiment 10.
  • Figure 17 is a schematic diagram of a beam reselecting apparatus of the eleventh embodiment.
  • Figure 18 is a block diagram showing the configuration of a terminal in the twelfth embodiment
  • FIG. 19 is a schematic diagram of a method for triggering cell measurement according to Embodiment 13;
  • FIG. 20 is a schematic diagram of a method for determining whether the third trigger condition is satisfied according to the thirteenth embodiment
  • FIG. 21 is a schematic diagram of an apparatus for triggering cell measurement according to Embodiment 14;
  • Figure 22 is a schematic diagram showing the structure of a fifth determining unit of the embodiment 14;
  • Figure 23 is a block diagram showing the configuration of a terminal in the fifteenth embodiment
  • FIG. 24 is a schematic diagram of a method for triggering cell reselection according to Embodiment 16.
  • 25 is a schematic diagram of a method for determining whether the fourth trigger condition is satisfied according to the embodiment 16;
  • 26 is a schematic diagram of an apparatus for triggering cell reselection according to Embodiment 17;
  • Figure 27 is a block diagram showing the structure of a terminal in the eighteenth embodiment
  • FIG. 29 is a schematic diagram of a cell reselection method according to Embodiment 20;
  • Figure 30 is a schematic diagram of a cell reselection apparatus of the twenty-first embodiment
  • Figure 31 is a block diagram showing the configuration of a terminal in Embodiment 22 of the present invention.
  • a base station may be referred to as an access point, a broadcast transmitter, a Node B, an evolved Node B (eNB), etc., and may include some or all of their functions.
  • the term "base station” will be used herein. Each base station provides communication coverage for a particular geographic area.
  • a mobile station or device may be referred to as a "user equipment (UE)."
  • UE may be fixed or mobile and may also be referred to as a mobile station, terminal, access terminal, subscriber unit, station, and the like.
  • the UE may be a cellular telephone, a personal digital assistant (PDA), a wireless modem, a wireless communication device, a handheld device, a laptop computer, a cordless telephone, a car, and the like.
  • PDA personal digital assistant
  • FIG. 3 is a schematic diagram of a method for trigger beam measurement according to the first embodiment. As shown in FIG. 3, the method includes:
  • Step 301 When the third trigger condition is met, the terminal is triggered to measure the beam of the cell to which the terminal belongs.
  • the third trigger condition is that the channel quality of the service beam of the terminal is less than a preset third threshold (TH3).
  • the service beam refers to the beam where the terminal is located, that is, the terminal is under the coverage of the beam, and is capable of receiving data of the downlink channel from the beam.
  • the method may further include: (not shown in the figure): determining whether the third trigger condition is met, that is, determining whether the channel quality of the service beam of the terminal is less than a preset third threshold (TH3), When the result of the determination is YES, step 301 is performed.
  • the terminal when it is determined that the third trigger condition is met, the terminal may be triggered to perform beam measurement, thereby providing a scenario corresponding to one or more beams in one NR cell.
  • the solution for triggering beam measurement solves the existing problems.
  • the channel quality of the beam may be represented by a Reference Signal Received Quality (RSRQ) and a Reference Signal Received Power (RSRP), and the method for measuring the RSRQ and the RSRP and the LTE system.
  • the method for measuring the channel quality is similar.
  • the channel quality of the beam is not limited to the above parameters, and will not be enumerated here.
  • the third trigger condition may also be: the channel quality of the serving beam of the terminal is less than a preset third threshold (TH3) within a predetermined seventh time period (T7). ).
  • the terminal is triggered to measure the beam of the cell to which the terminal belongs, and unnecessary signaling overhead can be avoided.
  • the method may further include a step (not shown): the terminal performs at least one measurement on the channel quality of the service beam in a predetermined seventh time period (T7);
  • the channel quality of the service beam of the terminal is less than a preset third threshold (TH3) in a predetermined seventh time period (T7), that is, the measurement result of each measurement (that is, the measured channel quality) is smaller than a preset.
  • the third threshold (TH3) is a preset third threshold (TH3).
  • the method further includes (not shown): selecting a suitable beam to stay when the terminal is in an idle state.
  • the suitable beam refers to a beam whose channel quality is higher than a preset fifth threshold (TH5).
  • the suitable beam can also be: beam The channel quality is higher than the preset fifth threshold (TH5) beam during the predetermined ninth time period (T9).
  • the method may further include (not shown in the figure): the terminal performs at least one measurement on the channel quality of the beam in a predetermined ninth time period (T9) to obtain a corresponding measurement result;
  • the terminal uses the beam as a suitable deployment and resides in the beam.
  • FIG. 4 is a schematic diagram of a method of trigger beam measurement according to the first embodiment. As shown in FIG. 4, the method includes:
  • Step 401 The terminal selects an appropriate network according to the pre-configured information and accesses the network.
  • the system when the terminal is powered on, the system performs a system initialization process to select an appropriate network.
  • the pre-configured information may include: a country code used in the network, such as a carrier code;
  • the network refers to an operator network, such as a Public Land Mobile Network (PLMN).
  • PLMN Public Land Mobile Network
  • Step 402 the terminal selects a suitable beam resident
  • the terminal may first select any one of the beams if the channel quality of the beam is higher than a preset fifth threshold (TH5); or the channel quality of the beam is within a predetermined ninth time period (T9) If the terminal is higher than the preset fifth threshold (TH5), the terminal resides in the beam, and the specific determination method is as described above, and details are not described herein again.
  • a preset fifth threshold TH5
  • T9 predetermined ninth time period
  • the camped cell since the information of the cell is in the broadcast of the beam, after selecting the appropriate beam, the camped cell can be determined.
  • step 403 it is determined whether the third trigger condition is met; when the determination result is yes, step 404 is performed, otherwise step 405 is performed.
  • Step 404 Trigger the terminal to measure the beam of the cell to which the terminal belongs.
  • Step 405 The terminal is not triggered to measure the beam of the cell to which the terminal belongs.
  • steps 401 and 402 may be omitted, that is, in the case where the terminal is powered on and the appropriate beam camp has been selected, the above steps may be omitted.
  • step 403 it is determined whether the third trigger condition is met, that is, whether the channel quality of the service beam of the terminal is less than a preset third threshold (TH3), or that the channel quality of the service beam of the terminal is determined. Whether the seventh time period (T7) is less than a preset third threshold (TH3).
  • FIG. 5 is a schematic diagram of a method of determining whether a third trigger condition is satisfied. As shown in FIG. 5, the method includes:
  • Step 501 The terminal performs the channel quality of the service beam in a predetermined seventh time period (T7). One less measurement.
  • Step 502 it is determined whether the measurement result of the at least one measurement (channel quality of the service beam) is less than a preset third threshold (TH3); when the determination result is yes, step 503 is performed; otherwise, step 504 is performed;
  • TH3 preset third threshold
  • the plurality of measurement results need to be smaller than the TH3.
  • step 503 the terminal determines that the third trigger condition is met.
  • step 504 the terminal determines that the third trigger condition is not met.
  • the TH3 and T7, and the TH5 and T9 may be preset according to actual conditions, for example, based on experience, simulation, and simulation, and are not described herein again.
  • the TH3 and T7, and the TH5 and T9 may be pre-configured by the base station, for example, by radio resource control (RRC) signaling.
  • RRC radio resource control
  • the terminal when the terminal camps on a suitable beam, the terminal is triggered to perform beam measurement when the first trigger condition is met, so that the scenario corresponding to one or more beams in one NR cell is used.
  • the terminal is triggered to perform beam measurement when the first trigger condition is met, so that the scenario corresponding to one or more beams in one NR cell is used.
  • Embodiment 2 also provides an apparatus for triggering beam measurement. Since the principle of solving the problem is similar to the method of Embodiment 1, the specific implementation may refer to the implementation of the method of Embodiment 1, and the description of the same portions is not repeated.
  • FIG. 6 is a schematic diagram of an apparatus for trigger beam measurement according to the second embodiment.
  • the apparatus 600 includes: a third triggering unit 601, configured to trigger the terminal to measure a beam of a cell to which the terminal belongs when the third triggering condition is met; the third triggering condition is a serving beam of the terminal
  • the channel quality is less than a preset third threshold (TH3).
  • the service beam is as described in Embodiment 1, and details are not described herein again.
  • the apparatus 600 may further include a first determining unit 602, configured to determine whether the third trigger condition is met, and when the determination result is yes, the third trigger unit 601 triggers beam measurement.
  • the channel quality of the beam is as described in Embodiment 1, and details are not described herein again.
  • the terminal when it is determined that the third trigger condition is met, the terminal may be triggered to perform beam measurement, thereby providing a scenario corresponding to one or more beams in one NR cell.
  • the solution for triggering beam measurement solves the existing problems.
  • Embodiment 3 also provides an apparatus for triggering beam measurement. Since the principle of solving the problem is similar to the method of Embodiment 1, the specific implementation may refer to the implementation of the method of Embodiment 1, and the description of the same portions is not repeated.
  • FIG. 7 is a schematic diagram of an apparatus for trigger beam measurement according to the third embodiment.
  • the apparatus 700 includes: a fourth triggering unit 701, configured to trigger the terminal to measure a beam of a cell to which the terminal belongs when the third triggering condition is met; the third triggering condition is a service beam of the terminal
  • the channel quality is less than a preset third threshold (TH3) within a predetermined seventh time period (T7).
  • the apparatus 700 further includes a seventh measuring unit 702, configured to perform at least one measurement on the channel quality of the serving beam in a predetermined seventh time period (T7), Obtain the corresponding measurement results;
  • the fourth trigger unit 701 triggers the terminal to measure the beam of the cell to which the terminal belongs when the measurement result of each measurement is less than a preset third threshold (TH3).
  • the apparatus 700 may further include a second determining unit 703, configured to determine whether the measurement result of each measurement is less than a preset third threshold (TH3), and when the determination result is yes,
  • the four trigger unit 701 triggers beam measurement.
  • a solution for triggering beam measurement in a scene corresponding to one or more beams in one NR cell can be provided, and the existing problem is solved; and the terminal is triggered only when the first trigger condition is met.
  • the measurement of the beam of the cell to which the terminal belongs can avoid unnecessary signaling overhead.
  • the devices 600 and 700 may further include:
  • a third selection unit for selecting an appropriate beam camp when the terminal is in an idle state;
  • the suitable beam means that the channel quality of the beam is higher than a preset fifth threshold (TH5) The beam of the beam; or the beam quality of the beam is higher than the preset fifth threshold (TH5) beam for a predetermined ninth time period (T9).
  • the devices 600 and 700 may further comprise an eighth measuring unit (not shown) for performing at least one measurement of the channel quality of the beam for a predetermined ninth time period (T9) to obtain a corresponding The measurement result; and the first selection unit selects the beam dwelling when the measurement result of each measurement is higher than a preset fifth threshold (TH5).
  • an eighth measuring unit (not shown) for performing at least one measurement of the channel quality of the beam for a predetermined ninth time period (T9) to obtain a corresponding The measurement result
  • T9 a predetermined ninth time period
  • T5 preset fifth threshold
  • Embodiment 2 and Embodiment 3 can be arbitrarily combined as needed, for example,
  • the devices shown in FIG. 6 and FIG. 7 may be combined to implement the functions of the embodiment 6 and the seventh embodiment.
  • the third trigger unit 601 and the fourth trigger unit 701 may be further executed by a trigger unit.
  • the judging unit 602 and the second judging unit 703 are executed by one judging unit, and are not enumerated here.
  • the fourth embodiment provides a terminal configured with the apparatus 600 and/or 700 for triggering beam measurement as described in Embodiment 2 and/or Embodiment 3.
  • FIG. 8 is a block diagram showing the configuration of a terminal in accordance with a fourth embodiment of the present invention.
  • terminal 800 can include a central processing unit (CPU) 801 and memory 802; and memory 802 is coupled to central processing unit 801.
  • the memory 802 can store various data; in addition, a program for triggering beam measurement is stored, and the program is executed under the control of the central processing unit 801 to trigger beam measurement.
  • the functionality of the apparatus 600 and/or 700 that triggers beam measurements may be integrated into the central processor 801.
  • the central processing unit 801 can be configured to implement the method of trigger beam measurement described in Embodiment 1.
  • the central processing unit 801 may be configured to: when the third trigger condition is met, trigger the terminal to measure the beam of the cell to which the terminal belongs; the third trigger condition is that the channel quality of the service beam of the terminal is less than a preset The third threshold (TH3); or the third trigger condition is that the channel quality of the serving beam of the terminal is less than a preset third threshold (TH3) within a predetermined seventh time period (T7).
  • the third trigger condition is that the channel quality of the service beam of the terminal is less than a preset The third threshold (TH3)
  • T7 predetermined seventh time period
  • the apparatus 600 and/or 700 for triggering beam measurement described above may be configured separately from the central processor 801, for example, the apparatus 600 and/or 700 that trigger beam measurement may be configured to be coupled to the central processor 801.
  • the chip, the unit for triggering beam measurement as shown in FIG. 8, implements the functions of the apparatus 600 and/or 700 that trigger beam measurement by control of the central processor 801.
  • the terminal 800 may further include: a communication module 803, an input unit 804, a display 806, an audio processor 805, an antenna 807, a power source 808, and the like.
  • a communication module 803, an input unit 804, a display 806, an audio processor 805, an antenna 807, a power source 808, and the like The functions of the above components are similar to those of the prior art, and are not described herein again. It should be noted that the terminal 800 does not have to include all the components shown in FIG. 8; in addition, the terminal 800 may further include components not shown in FIG. 8, and reference may be made to the prior art.
  • the terminal of the embodiment can trigger the measurement of the beam when the first trigger condition is met, and provide a solution for trigger beam measurement in a scene corresponding to one or more beams in an NR cell, and solve the existing problem. .
  • FIG. 9 is a schematic diagram of a method of trigger beam reselection according to the fifth embodiment. As shown in FIG. 9, the method includes: Step 901: When the first trigger condition is met, triggering the terminal to perform beam reselection; the first trigger condition is that the channel quality of the service beam of the terminal is less than a preset first threshold ( TH1).
  • TH1 a preset first threshold
  • the service beam is as described in Embodiment 1, and details are not described herein again.
  • the channel quality of the beam is as described in Embodiment 1, and details are not described herein again.
  • the method may further include: (not shown in the figure): determining whether the first trigger condition is met, that is, determining whether the channel quality of the service beam of the terminal is less than a preset first threshold (TH1), When the result of the determination is YES, step 901 is performed.
  • the terminal when the terminal determines that the first trigger condition is met, the terminal may be triggered to perform beam reselection, thereby providing a solution for triggering beam reselection in a scenario corresponding to one or more beams in one NR cell. , solved the existing problems.
  • the first trigger condition may be that the channel quality of the serving beam of the terminal is less than a preset first threshold in a predetermined third time period (T3). (TH1).
  • T3 predetermined third time period
  • the terminal is triggered to perform beam reselection, which avoids unnecessary signaling overhead.
  • the method may further include a step (not shown): the terminal performs at least one measurement on the channel quality of the service beam in a predetermined third time period (T3);
  • the channel quality of the service beam of the terminal is less than the preset first threshold (TH1) in the predetermined third time period (T3), that is, the measurement result of each measurement (that is, the measured channel quality) is smaller than the preset.
  • the first threshold (TH1) is the preset first threshold (TH1) in the predetermined third time period (T3), that is, the measurement result of each measurement (that is, the measured channel quality) is smaller than the preset.
  • FIG. 10 is a schematic diagram of a method of trigger beam measurement according to the fifth embodiment.
  • the method includes:
  • step 1001 it is determined whether the first trigger condition is met; when the determination result is yes, step 1002 is performed; otherwise, step 1003 is performed.
  • Step 1002 trigger the terminal to perform beam reselection.
  • step 1003 the terminal is not triggered to perform beam reselection.
  • step 1001 it is determined whether the first trigger condition is met, that is, whether the channel quality of the service beam of the terminal is less than a preset first threshold (TH1), or that the channel quality of the service beam of the terminal is determined. Whether the third time period (T3) is less than a preset first threshold (TH1).
  • FIG. 11 is a schematic diagram of a method of determining whether the first trigger condition is satisfied. As shown in FIG. 11, the method includes:
  • step 1101 the terminal performs at least one measurement on the channel quality of the service beam within a predetermined third time period (T3).
  • Step 1002 it is determined whether the measurement result (channel quality of the service beam) of the at least one measurement is less than a preset first threshold (TH1); when the determination result is yes, step 1103 is performed; otherwise, step 1104 is performed;
  • TH1 a preset first threshold
  • the plurality of measurement results need to be smaller than the TH1.
  • step 1003 the terminal determines that the first trigger condition is met.
  • Step 1104 The terminal determines that the first trigger condition is not met.
  • the TH1 and the T3 may be preset according to actual conditions, for example, based on experience, simulation, and simulation, and are not described herein again.
  • the TH1 and the T3 may be pre-configured by the base station, for example, by radio resource control (RRC) signaling.
  • RRC radio resource control
  • the terminal determines that the first trigger condition is met, the terminal is triggered to perform beam reselection, so that trigger beam reselection is provided for a scenario corresponding to one or more beams in one NR cell.
  • the solution solves the existing problems.
  • Embodiment 6 also provides an apparatus for triggering beam reselection. Since the principle of solving the problem is similar to the method of the embodiment 5, the specific implementation may refer to the implementation of the method of the embodiment 5, and the description of the same portions is not repeated.
  • Figure 12 is a diagram showing the apparatus for trigger beam reselection of the sixth embodiment.
  • the apparatus 1200 includes: a first triggering unit 1201, configured to trigger the terminal to perform beam reselection when a channel quality of a serving beam of the terminal is less than a preset first threshold (TH1).
  • a first triggering unit 1201 configured to trigger the terminal to perform beam reselection when a channel quality of a serving beam of the terminal is less than a preset first threshold (TH1).
  • TH1 preset first threshold
  • the service beam is as described in Embodiment 1, and details are not described herein again.
  • the apparatus 1200 may further include a third determining unit 1202, configured to determine whether the The first trigger condition, when the determination result is yes, the first trigger unit 1201 triggers beam reselection.
  • the specific determining method of the third determining unit 1202 is as described in Embodiment 5, and details are not described herein.
  • the TH1 and T3 are as described in Embodiment 5, and are not described herein.
  • the channel quality of the beam is as described in Embodiment 1, and details are not described herein again.
  • the terminal when the terminal determines that the first trigger condition is met, the terminal may be triggered to perform beam reselection, thereby providing a solution for triggering beam reselection in a scenario corresponding to one or more beams in one NR cell. , solved the existing problems.
  • Embodiment 7 also provides an apparatus for triggering beam reselection. Since the principle of solving the problem is similar to the method of the embodiment 5, the specific implementation may refer to the implementation of the method of the embodiment 5, and the description of the same portions is not repeated.
  • Figure 13 is a diagram showing the apparatus for trigger beam reselection of the seventh embodiment.
  • the apparatus 1300 includes: a triggering unit 1301, configured to trigger the terminal to perform beam reselection when the trigger condition is met; the trigger condition is that the channel quality of the serving beam of the terminal is in a predetermined third time period ( T3) is less than the preset first threshold (TH1).
  • the apparatus 1300 further includes a third measurement unit 1302, configured to perform at least one measurement on the channel quality of the service beam within a predetermined third time period (T3), Obtain the corresponding measurement results;
  • a third measurement unit 1302 configured to perform at least one measurement on the channel quality of the service beam within a predetermined third time period (T3), Obtain the corresponding measurement results;
  • the trigger unit 1301 triggers the terminal to perform beam reselection when the measurement result of each measurement is less than a preset first threshold.
  • the apparatus 1300 may further include a fourth determining unit 1303, configured to determine whether the measurement result of each measurement is less than a preset first threshold (TH1), and when the determination result is yes, triggering Unit 1301 triggers beam reselection.
  • a fourth determining unit 1303 configured to determine whether the measurement result of each measurement is less than a preset first threshold (TH1), and when the determination result is yes, triggering Unit 1301 triggers beam reselection.
  • Embodiment 6 and Embodiment 7 can be arbitrarily combined as needed.
  • the devices shown in FIG. 12 and FIG. 13 can be combined to realize the functions of Embodiment 6 and Embodiment 7.
  • the first trigger unit 1201 and the trigger unit 1301 may be further executed by one trigger unit, and the third determining unit 1202 and the fourth determining unit 1303 are executed by one determining unit, which are not enumerated here.
  • a trigger wave can be provided in a scenario corresponding to one or more beams in one NR cell.
  • the beam reselection solution solves the existing problem; and when the first trigger condition is met, the terminal is triggered to perform beam reselection, thereby avoiding unnecessary signaling overhead.
  • the present embodiment 8 provides a terminal configured with the apparatus 1200 and/or 1300 for trigger beam reselection as described in Embodiments 6 and/or 7.
  • Figure 14 is a block diagram showing the configuration of a terminal in accordance with an eighth embodiment of the present invention.
  • the terminal 1400 can include a central processing unit (CPU) 1401 and a memory 1402; the memory 1402 is coupled to the central processing unit 1401. Wherein the memory 1402 can store various data; in addition, a program for triggering beam reselection is stored, and the program is executed under the control of the central processor 1401 to trigger beam reselection.
  • CPU central processing unit
  • memory 1402 is coupled to the central processing unit 1401.
  • the memory 1402 can store various data; in addition, a program for triggering beam reselection is stored, and the program is executed under the control of the central processor 1401 to trigger beam reselection.
  • the functionality of devices 1200 and/or 1300 that trigger beam reselection may be integrated into central processor 1401.
  • the central processing unit 1401 may be configured to implement the method of trigger beam reselection described in Embodiment 5.
  • the central processing unit 1401 may be configured to: when the first trigger condition is met, trigger the terminal to perform beam reselection; the first trigger condition is that the channel quality of the service beam of the terminal is less than a preset first threshold (TH1) Or the first trigger condition is that the channel quality of the service beam of the terminal is less than a preset first threshold (TH1) within a predetermined third time period (T3).
  • the first trigger condition is that the channel quality of the service beam of the terminal is less than a preset first threshold (TH1)
  • T3 predetermined third time period
  • the above-described apparatus 1200 and/or 1300 for triggering beam reselection may be configured separately from the central processing unit 1401.
  • the apparatus 1200 and/or 1300 that trigger beam reselection may be configured with the central processing unit 1401.
  • the connected chips, such as the unit for trigger beam reselection as shown in FIG. 14, implement the functions of the apparatus 1200 and/or 1300 that trigger beam reselection by control of the central processing unit 1401.
  • the terminal 1400 may further include: a communication module 1403, an input unit 1404, a display 1406, an audio processor 1405, an antenna 1407, a power source 1408, and the like.
  • a communication module 1403, an input unit 1404, a display 1406, an audio processor 1405, an antenna 1407, a power source 1408, and the like The functions of the above components are similar to those of the prior art, and are not described herein again. It should be noted that the terminal 1400 does not have to include all the components shown in FIG. 14; in addition, the terminal 1400 may further include components not shown in FIG. 14, and reference may be made to the prior art.
  • the terminal of the embodiment can trigger the beam reselection when the first trigger condition is met, and provide a solution for trigger beam reselection in a scenario corresponding to one or more beams in one NR cell, and solve the existing existing solution. problem.
  • Figure 15 is a diagram showing the beam reselection method of the ninth embodiment. As shown in Figure 15, the method includes:
  • Step 1501 When performing beam reselection, the terminal selects an adjacent beam whose channel quality of the cell to which the terminal belongs is higher than a predetermined first offset (F1) of the channel quality of the serving beam of the terminal. In this way, the terminal can perform intra-cell beam reselection and reselect the adjacent beam.
  • F1 predetermined first offset
  • the service beam is as described in Embodiment 1, and details are not described herein again.
  • the channel quality of the beam is as described in Embodiment 1, and details are not described herein again.
  • the neighboring beam refers to a beam other than the serving beam, including the same cell neighboring beam and the neighboring cell neighboring beam.
  • the terminal when performing beam reselection, may arbitrarily select one beam in the same cell, and determine whether the channel quality of the beam is higher than a predetermined first offset of the channel quality of the serving beam of the terminal ( F1) If the judgment result is yes, the terminal performs a beam reselection process in the cell and reselects the adjacent beam; otherwise, other beams are selected for measurement and judgment.
  • the method may further include a step (not shown): determining whether the channel quality of the adjacent beam in the cell to which the terminal belongs is higher than a predetermined first offset of the channel quality of the serving beam (F1) When the determination result is YES, step 1501 is performed.
  • the terminal when the terminal determines that there is an adjacent beam that satisfies a predetermined condition, the terminal may reselect the neighboring beam, thereby providing beam reselection in a scenario corresponding to one or more beams in one NR cell.
  • the terminal may further select that the channel quality of the cell to which the terminal belongs is higher than the service of the terminal in the predetermined first time period (T1).
  • the channel quality of the beam is a predetermined first offset (F1) neighboring beam. This avoids unnecessary signaling overhead.
  • the method may further include the steps of: performing at least one measurement on the channel quality of the neighboring beam within a predetermined first time period (T1); and the measurement result at each measurement is higher than the service beam.
  • T1 first time period
  • F1 predetermined first offset
  • the T1 and the F1 may be preset according to actual conditions, for example, based on experience, simulation, and simulation, and are not described herein again.
  • the T1 and F1 may be pre-configured by the base station, for example, by radio resource control (RRC, Radio Resource Control) signaling to configure.
  • RRC Radio Resource Control
  • the terminal in the case that the terminal selects an adjacent beam that satisfies a predetermined condition, the terminal can reselect the neighboring beam, so that a beam is provided for a scenario corresponding to one or more beams in one NR cell.
  • the re-election solution solves the existing problems.
  • Figure 16 is a diagram showing the beam reselection method of the tenth embodiment. As shown in FIG. 16, the method includes:
  • Step 1601 When performing beam reselection, the terminal selects a beam with the best channel quality of the cell to which the terminal belongs. In this way, the terminal can perform intra-cell beam reselection and reselect the beam.
  • the service beam is as described in Embodiment 1, and details are not described herein again.
  • the channel quality of the beam is as described in Embodiment 1, and details are not described herein again.
  • selecting the channel quality of the cell to which the terminal belongs is within a predetermined second time period (T2).
  • T2 a predetermined second time period
  • the method may further include: measuring, in a predetermined second time period (T2), a beam of the cell to which the terminal belongs; and selecting a beam whose channel quality is always higher than the channel quality of the other beam according to the measurement result. That is, according to the measurement result, the beam whose channel quality is always higher than the channel quality of other beams in the second time period (T2) is selected. In this way, the terminal can reselect to the beam.
  • T2 predetermined second time period
  • the T2 may be preset according to actual conditions, for example, based on experience, simulation, and simulation, and details are not described herein again.
  • the T2 may be pre-configured by the base station, for example, by radio resource control (RRC) signaling.
  • RRC radio resource control
  • the terminal in the case that the terminal selects a beam that satisfies a predetermined condition, the terminal can reselect the beam, thus providing beam selection and for a scene corresponding to one or more beams in one NR cell.
  • the re-election solution solves the existing problems.
  • the method may further include: triggering a beam reselection process.
  • a specific triggering method may be adopted in the method of trigger beam reselection in the embodiment 5, and the content thereof is incorporated herein, and details are not described herein again.
  • the embodiment 11 also provides a beam reselecting device. Since the principle of solving the problem of the device is similar to that of the embodiment 9 or 10, the specific implementation may refer to the implementation of the method of the embodiment 9 or 10, and the same portions are not repeated.
  • Figure 17 is a diagram showing the beam reselecting apparatus of the eleventh embodiment.
  • the apparatus 1700 includes: a first selecting unit 1701, configured to: when performing beam reselection, select a first offset of a channel quality of a cell to which the terminal belongs is higher than a channel quality of a serving beam of the terminal.
  • the first selection unit 1701 is further configured to select, within a predetermined first time period (T1), that the channel quality of the cell to which the terminal belongs is higher than the service beam of the terminal, in consideration of the channel quality change of the beam.
  • the channel quality is a predetermined first offset (F1) neighboring beam; or a beam in which the channel quality of the cell to which the terminal belongs is higher than the channel quality of the other beams within a predetermined second time period (T2).
  • the device 1700 further includes:
  • a first measuring unit 1702 configured to perform at least one measurement on a channel quality of the neighboring beam within a predetermined first time period (T1); and the first selecting unit 1701 is further configured to use a high measurement result at each measurement Selecting the adjacent beam when the channel quality of the serving beam is a predetermined first offset (F1);
  • the device 1700 can also include:
  • a second measuring unit 1703 configured to measure a beam of a cell to which the terminal belongs within a predetermined second time period (T2); and the first selecting unit 1701 is configured to select, according to the measurement result, that the channel quality is always higher than other beams.
  • T2 second time period
  • the first selecting unit 1701 is configured to select, according to the measurement result, that the channel quality is always higher than other beams. The beam of channel quality.
  • the device 1700 may further include a first triggering unit (not shown) for triggering beam reselection.
  • the specific configuration and workflow may refer to the trigger beam reselection of the embodiment 6 and the embodiment 7. The method is combined here and will not be described here.
  • the terminal in the case that the terminal selects a beam that satisfies a predetermined condition, the terminal can reselect the beam, such that beam reselection is provided for a scenario corresponding to one or more beams in one NR cell.
  • the solution solves the existing problems.
  • the embodiment 12 provides a terminal configured with the beam reselecting apparatus 1700 as described in the eleventh embodiment.
  • Figure 18 is a block diagram showing the configuration of a terminal in Embodiment 12 of the present invention.
  • the terminal 1800 can include a central processing unit (CPU) 1801 and a memory 1802; the memory 1802 is coupled to the central processing unit 1801.
  • the memory 1802 can store various data; in addition, a program for beam reselection is stored, and the program is executed under the control of the central processing unit 1801 to perform beam reselection.
  • the functionality of beam reselection device 1700 can be integrated into central processor 1801.
  • the central processor 1801 may be configured to implement the beam reselection method described in Embodiments 9 and/or 10.
  • the central processing unit 1801 may be configured to: when performing beam reselection, select an adjacent beam whose channel quality of the cell to which the terminal belongs is higher than a predetermined first offset of the channel quality of the serving beam of the terminal, or select the terminal The best quality beam for the cell to which it belongs.
  • the beam reselecting device 1700 can be configured separately from the central processing unit 1801.
  • the beam reselecting device 1700 can be configured as a chip connected to the central processing unit 1801, such as the beam weight shown in FIG. The selected unit implements the function of the beam reselection device 1700 by control of the central processing unit 1801.
  • the terminal 1800 may further include: a communication module 1803, an input unit 1804, a display 1806, an audio processor 1805, an antenna 1807, a power source 1808, and the like.
  • a communication module 1803, an input unit 1804, a display 1806, an audio processor 1805, an antenna 1807, a power source 1808, and the like The functions of the above components are similar to those of the prior art, and are not described herein again. It should be noted that the terminal 1800 does not have to include all the components shown in FIG. 18; in addition, the terminal 1800 may further include components not shown in FIG. 18, and reference may be made to the related art.
  • the terminal in the case that the terminal selects a beam that satisfies a predetermined condition, the terminal can reselect the beam, such that beam reselection is provided for a scenario corresponding to one or more beams in one NR cell.
  • the solution solves the existing problems.
  • FIG. 19 is a schematic diagram of a method of triggering cell measurement in the thirteenth embodiment. As shown in FIG. 19, the method includes:
  • Step 1901 When the fourth trigger condition is met, the terminal is triggered to perform measurement on the neighboring cell; the fourth trigger condition is: the channel quality of the serving cell of the terminal is less than a preset fourth threshold (TH4).
  • TH4 preset fourth threshold
  • the channel quality of the serving cell may be reference signal received quality (RSRQ, Reference Signal Received Quality) and reference signal received power (RSRP, Reference Signal). Received Power) is similar to the LTE system and will not be listed here.
  • RSRQ Reference Signal Received Quality
  • RSRP Reference Signal received power
  • the terminal can trigger the cell measurement if the predetermined trigger condition is met, so that a solution for triggering the cell measurement is provided for the scenario corresponding to one or more beams in one NR cell, and the solution is solved.
  • the predetermined trigger condition is met
  • the fourth trigger condition may also be: the channel quality of the serving cell of the terminal is less than a preset fourth threshold (TH4) within a predetermined eighth time period (T8).
  • TH4 a preset fourth threshold
  • T8 a predetermined eighth time period
  • FIG. 20 is a schematic diagram of a method of determining whether the third trigger condition is satisfied. As shown in FIG. 20, the method includes:
  • step 2001 the terminal performs at least one measurement on the channel quality of the serving cell within a predetermined eighth time period (T8).
  • Step 2002 it is determined whether the measurement result (channel quality of the serving cell) of the at least one measurement is less than a preset fourth threshold (TH4); when the determination result is yes, step 2003 is performed; otherwise, step 2004 is performed;
  • TH4 preset fourth threshold
  • the plurality of measurement results need to be smaller than the TH4.
  • step 2003 the terminal determines that the fourth trigger condition is met.
  • step 2004 the terminal determines that the fourth trigger condition is not met.
  • the channel quality of the cell may be calculated by determining a channel quality of the serving cell according to a channel quality of a predetermined first number (N) of beams in the cell; wherein the predetermined N beams are Refers to N beams with large channel quality in the cell, where N is a positive integer.
  • the weighted sum of the channel qualities of the predetermined first number (N) of beams in the cell, or the average of the channel qualities of the predetermined N beams, or the channel quality of the predetermined N beams is used as the channel quality of the cell.
  • the channel quality of the cell is a weighted sum of the channel qualities of the N beams, which can be expressed by the formula: A 1 X 1 +A 2 X 2 +...+A N X N , where A 1 , A 2 , ..., A N is a weighting coefficient, the value is less than 1, and the sum of them is equal to 1.
  • the channel quality of the cell is an average of the channel qualities of the N beams, and can be expressed by the formula: (X 1 + X 2 + ... + X N ) / N, which is a special case of weighted sum. That is, the weighting coefficients are the same, and both are 1.
  • the channel quality of the serving cell may be calculated according to the foregoing method for calculating the channel quality of the cell.
  • the method further comprises: determining a channel quality of the serving cell according to a channel quality of a predetermined first number (N) of beams in the serving cell; wherein the predetermined N beams are N in the serving cell A beam with a large channel quality, N is a positive integer.
  • a weighted sum of channel qualities of the predetermined first number (N) of beams in the serving cell, or an average of channel qualities of the predetermined N beams, or one of channel qualities of the predetermined N beams is the channel quality of the serving cell.
  • the method may further include the steps of:
  • the channel quality of all beams of the serving cell is measured; the channel quality of the predetermined N beams is selected from the measured channel qualities of all beams.
  • the TH4, T8, and N may be preset according to actual conditions, for example, based on experience, simulation, and simulation, and are not described herein again.
  • the TH4, T8, and N may be pre-configured by the base station, for example, by radio resource control (RRC) signaling.
  • RRC radio resource control
  • the terminal when the fourth trigger condition is met, the terminal is triggered to perform cell measurement, so that a solution for triggering cell measurement is provided for a scenario corresponding to one or more beams in one NR cell, and the solution is solved.
  • the current problems when the fourth trigger condition is met, the terminal is triggered to perform cell measurement, so that a solution for triggering cell measurement is provided for a scenario corresponding to one or more beams in one NR cell, and the solution is solved.
  • the embodiment 14 also provides an apparatus for triggering cell measurement. Since the principle of solving the problem is similar to the method of the embodiment 13, the specific implementation may refer to the implementation of the method of the embodiment 13, and the same portions are not repeated.
  • Figure 21 is a schematic diagram of an apparatus for triggering cell measurement according to the fourteenth embodiment.
  • the device 2100 includes: a fifth triggering unit 2101, configured to trigger the terminal to perform measurement on a neighboring cell when the fourth triggering condition is met; the fourth triggering condition is a channel quality of the serving cell of the terminal. Less than the preset fourth threshold (TH4).
  • the device 2100 may further include a fifth determining unit 2102, configured to determine whether the third trigger condition is met. In a case where the judgment result is satisfied, the fifth trigger unit 2101 triggers the cell measurement.
  • the fourth triggering condition may be that the channel quality of the serving cell of the terminal is less than a preset fourth threshold (TH4) within a predetermined eighth time period (T8).
  • TH4 a preset fourth threshold
  • T8 a predetermined eighth time period
  • the device 2100 may further include a measuring unit and a judging unit (not shown), and its function is similar to that of Embodiment 13, and details are not described herein again.
  • the apparatus 2100 may further include: a fifth determining unit 2103, configured to determine a channel quality of the serving cell according to a channel quality of a predetermined first number (N) beams in the serving cell;
  • the predetermined N beams refer to N beams having a large channel quality in the serving cell, and N is a positive integer.
  • the method for determining the channel quality of the serving cell by the fifth determining unit 2103 is as described in Embodiment 13, and details are not described herein again.
  • the fifth determining unit 2103 includes:
  • An eighth measuring unit 2201 is configured to measure channel quality of all beams of the serving cell; and a fourth selecting unit 2202 is configured to select channel qualities of the predetermined N beams from channel qualities of all measured beams.
  • the terminal when the fourth trigger condition is met, the terminal is triggered to perform cell measurement, so that a solution for triggering cell measurement is provided for a scenario corresponding to one or more beams in one NR cell, and the solution is solved.
  • the current problems when the fourth trigger condition is met, the terminal is triggered to perform cell measurement, so that a solution for triggering cell measurement is provided for a scenario corresponding to one or more beams in one NR cell, and the solution is solved.
  • the embodiment 15 provides a terminal configured with the device 2100 for triggering beam measurement as described in the embodiment 14.
  • Figure 23 is a block diagram showing the configuration of a terminal in Embodiment 15 of the present invention.
  • the terminal 2300 may include a central processing unit (CPU) 2301 and a memory 2302; the memory 2302 is coupled to the central processing unit 2301.
  • the memory 2302 can store various data; in addition, a program that triggers cell measurement is stored, and the program is executed under the control of the central processor 2301 to trigger cell measurement.
  • the functionality of the device 2100 that triggers cell measurement may be integrated into the central processor 2301.
  • the central processor 2301 may be configured to implement the method for triggering cell measurement as described in Embodiment 13.
  • the central processing unit 2301 may be configured to: when the fourth trigger condition is met, trigger the terminal to perform cell measurement; the fourth trigger condition is that the channel quality of the serving cell of the terminal is less than a preset fourth threshold. (TH4); or the fourth trigger condition is that the channel quality of the service beam of the terminal is less than a preset fourth threshold (TH4) within a predetermined eighth time period (T8).
  • the fourth trigger condition is that the channel quality of the serving cell of the terminal is less than a preset fourth threshold. (TH4)
  • T8 a preset fourth threshold
  • the device 2100 for triggering cell measurement may be configured separately from the central processing unit 2301.
  • the device 2100 that triggers cell measurement may be configured as a chip connected to the central processing unit 2301, as shown in FIG.
  • the unit that triggers the cell measurement implements the function of the device 2100 that triggers the cell measurement by the control of the central processor 2301.
  • the terminal 2300 may further include: a communication module 2303, an input unit 2304, a display 2306, an audio processor 2305, an antenna 2307, a power source 2308, and the like.
  • a communication module 2303 an input unit 2304, a display 2306, an audio processor 2305, an antenna 2307, a power source 2308, and the like.
  • the functions of the above components are similar to those of the prior art, and are not described herein again.
  • the terminal 2300 does not necessarily have to include all the components shown in FIG. 23; in addition, the terminal 2300 may further include components not shown in FIG. 23, and reference may be made to the related art.
  • the terminal of the embodiment can trigger the measurement of the cell when the third trigger condition is met, and provide a solution for triggering the cell measurement in a scene corresponding to one or more beams in one NR cell, and solve the existing problem. .
  • FIG. 24 is a schematic diagram of a method for triggering cell reselection according to Embodiment 16. As shown in FIG. 24, the method includes:
  • Step 2401 When the second trigger condition is met, the terminal is triggered to perform cell reselection; the second trigger condition is that the channel quality of the serving cell of the terminal is less than a preset second threshold (TH2).
  • TH2 a preset second threshold
  • the channel quality of the serving cell is as described in Embodiment 13, and details are not described herein again.
  • the fourth trigger condition may be that the channel quality of the serving cell of the terminal is less than a preset second threshold (TH2) within a predetermined sixth time period (T6). among them,
  • FIG. 25 is a schematic diagram of a method of determining whether the fourth trigger condition is satisfied. As shown in FIG. 25, the method includes:
  • Step 2501 The terminal performs at least one measurement on the channel quality of the serving cell within a predetermined sixth time period (T6).
  • Step 2502 it is determined whether the measurement result of the at least one measurement (channel quality of the serving cell) is less than a preset second threshold (TH2); when the determination result is yes, step 2503 is performed; otherwise, step 2504 is performed;
  • TH2 a preset second threshold
  • the plurality of measurement results need to be smaller than the TH2.
  • step 2503 the terminal determines that the second trigger condition is met.
  • step 2504 the terminal determines that the second trigger condition is not met.
  • the method may further include: determining the channel quality of the serving cell, and the specific determining method is as described in Embodiment 13, and the content thereof is incorporated herein, and details are not described herein again.
  • the TH2 and the T6 may be preset according to actual conditions, for example, based on experience, simulation, and simulation, and are not described herein again.
  • the TH2 and the T6 may be pre-configured by the base station, for example, by radio resource control (RRC) signaling.
  • RRC radio resource control
  • the cell reselection is triggered, and in a scenario corresponding to one or more beams in one NR cell, a solution for triggering cell reselection is provided, and the existing problem is solved.
  • the embodiment 17 also provides an apparatus for triggering cell reselection.
  • the principle of solving the problem is similar to the method of the embodiment 16. Therefore, the specific implementation may refer to the implementation of the method of the embodiment 16.
  • FIG. 26 is a schematic diagram of an apparatus for triggering cell reselection according to the embodiment 17. As shown in Figure 26, device 2600
  • the second triggering unit 2601 is configured to trigger the terminal to perform cell reselection when the second triggering condition is met; the second triggering condition is that the channel quality of the serving cell of the terminal is less than a preset second threshold (TH2).
  • TH2 a preset second threshold
  • the device 2600 may further include a sixth determining unit 2602, configured to determine whether the second trigger condition is met. In a case where the judgment result is satisfied, the second trigger unit 2101 triggers cell reselection.
  • the second triggering condition may further be that the channel quality of the serving cell of the terminal is less than a preset second threshold (T2) within a predetermined sixth time period (T6).
  • T2 a preset second threshold
  • T6 a predetermined sixth time period
  • the device 2600 may further include a measuring unit and a judging unit (not shown), and its function is similar to that of the embodiment 16, and details are not described herein again.
  • the apparatus 2600 further includes a fourth determining unit 2603, which is used to determine the channel quality of the serving cell, and the method for calculating the channel quality of the serving cell is as described in Embodiment 13, and details are not described herein again.
  • the fourth determining unit 2603 is similar to the embodiment 14 and FIG. 22, and includes a sixth measuring unit for measuring channel quality of all beams in the serving cell; and a third selecting unit, which is used by The channel quality of the predetermined predetermined number of beams is selected.
  • the cell reselection can be triggered when the second trigger condition is met, and the NR is small.
  • a solution for triggering cell reselection is provided, which solves the existing problems.
  • the embodiment 18 provides a terminal configured with the device 2600 for triggering cell reselection as described in Embodiment 17.
  • Figure 27 is a block diagram showing the configuration of a terminal in Embodiment 18 of the present invention.
  • the terminal 2700 can include a central processing unit (CPU) 2701 and a memory 2702; the memory 2702 is coupled to the central processing unit 2701.
  • the memory 2702 can store various data; in addition, a program that triggers cell reselection is stored, and the program is executed under the control of the central processor 2701 to trigger cell reselection.
  • the functionality of the device 2600 that triggers cell reselection may be integrated into the central processor 2701.
  • the central processing unit 2701 may be configured to implement the method for triggering cell reselection described in Embodiment 16.
  • the central processing unit 2701 may be configured to: when the second trigger condition is met, trigger the terminal to perform cell reselection; the second trigger condition is that the channel quality of the serving cell of the terminal is less than a preset second threshold (TH2) .
  • TH2 preset second threshold
  • the device 2600 for triggering cell reselection may be configured separately from the central processing unit 2701.
  • the device 2600 that triggers cell reselection may be configured as a chip connected to the central processing unit 2701, as shown in FIG.
  • the illustrated unit that triggers cell reselection implements the function of the device 2600 that triggers cell reselection by control of the central processor 2701.
  • the terminal 2700 may further include: a communication module 2703, an input unit 2704, a display 2706, an audio processor 2705, an antenna 2707, a power source 2708, and the like.
  • a communication module 2703 an input unit 2704, a display 2706, an audio processor 2705, an antenna 2707, a power source 2708, and the like.
  • the functions of the above components are similar to those of the prior art, and are not described herein again.
  • the terminal 2700 also does not have to include all the components shown in FIG. 27; in addition, the terminal 2700 may further include components not shown in FIG. 27, and reference may be made to the prior art.
  • the terminal when the fourth trigger condition is met, the terminal triggers cell reselection, and provides a solution for triggering cell reselection in a scene corresponding to one or more beams in one NR cell, thereby solving the current problem. .
  • FIG. 28 is a schematic diagram of a cell reselection method according to Embodiment 19 of the present invention. As described in Figure 28, the method includes:
  • Step 2801 When performing cell reselection, select a neighboring cell whose channel quality is higher than a predetermined second offset (F2) of the channel quality of the serving cell of the terminal. In this way, the terminal can perform cell reselection and reselect to the neighboring cell.
  • F2 predetermined second offset
  • the serving cell is as described in Embodiment 13, and details are not described herein again.
  • the channel quality of the cell is as described in Embodiment 13, and details are not described herein again.
  • the neighboring cell refers to an NR cell adjacent to a serving cell of the terminal.
  • step 2801 the neighboring cell whose channel quality is higher than the second offset (F2) of the channel quality of the serving cell of the terminal in the predetermined fourth time period (T4) is selected.
  • the method may further include: performing at least one measurement on the channel quality of the neighboring cell in a predetermined fourth time period (T4); the measurement result in each measurement is higher than the channel of the serving cell.
  • T4 fourth time period
  • F2 second offset
  • the method may further include: determining channel quality of the serving cell and the neighboring cell.
  • the specific determination method is as described in Embodiment 13, and details are not described herein again.
  • the T4 and the F2 may be preset according to actual conditions, for example, based on experience, simulation, and simulation, and are not described herein again.
  • the T4 and the F2 may be pre-configured by the base station, for example, by radio resource control (RRC) signaling.
  • RRC radio resource control
  • the terminal in the case that the terminal selects a neighboring cell that satisfies a predetermined condition, the terminal can reselect to the neighboring cell, so that a cell weight is provided for a scenario corresponding to one or more beams in one NR cell.
  • the selected solution solves the existing problems.
  • FIG. 29 is a schematic diagram of a cell reselection method according to the embodiment 20. As shown in FIG. 29, the method includes: when performing cell reselection, the terminal selects a cell with the best channel quality. In this way, the terminal can perform cell reselection and reselect the cell.
  • the serving cell is as described in Embodiment 13, and details are not described herein again.
  • the channel quality of the cell is as described in Embodiment 13, and details are not described herein again.
  • the following method may be adopted: selecting a cell whose channel quality is higher than the channel quality of other cells in a predetermined fifth time period (T5).
  • the method may further include: measuring a channel quality of the neighboring cell in a predetermined fifth time period; and selecting, according to the measurement result, that the channel quality is always higher than other cells in the predetermined fifth time period. Cell of channel quality. In this way, the terminal reselects to the cell.
  • the method may further include: determining the channel quality of all the neighboring cells, and the specific determining method is as described in Embodiment 13, and details are not described herein again.
  • the T5 may be preset according to actual conditions, for example, based on experience, simulation, and simulation, and details are not described herein again.
  • the T5 may be pre-configured by the base station, for example, by radio resource control (RRC) signaling.
  • RRC radio resource control
  • the terminal in the case that the terminal selects a neighboring cell that satisfies a predetermined condition, the terminal can reselect to the neighboring cell, so that a cell weight is provided for a scenario corresponding to one or more beams in one NR cell.
  • the selected solution solves the existing problems.
  • the method may further include: triggering a cell reselection process.
  • triggering a cell reselection process For the specific triggering manner, the method for triggering cell reselection in this embodiment 16 may be used, and the content thereof is incorporated herein, and details are not described herein again.
  • the embodiment 21 also provides a device for cell reselection. Since the principle of solving the problem of the device is similar to that of the embodiments 19 and 20, the specific implementation thereof can be referred to the implementation, and the implementation of the method of 19, 20, and the description of the same portions will not be repeated.
  • Figure 30 is a diagram showing the apparatus for cell reselection in the twenty-first embodiment. As shown in FIG. 30, the device 3000 includes:
  • a second selecting unit 3001 configured to: when performing cell reselection, select a neighboring cell whose channel quality is higher than a predetermined second channel offset (F2) of a channel quality of the serving cell of the terminal, or select a channel with the best quality Community.
  • F2 second channel offset
  • the second selecting unit 3001 is further configured to select a neighboring channel quality that is higher than a predetermined second offset (F2) of the channel quality of the serving cell of the terminal in the predetermined fourth time period (T4). Cell; or select the best cell with channel quality within a predetermined fifth time period (T5).
  • the device 3000 further includes:
  • a fourth measuring unit 3002 configured to perform at least one measurement on a channel quality of the neighboring cell within a predetermined fourth time period (T4); and the second selecting unit 3001 is further configured to use the measurement result in each measurement
  • the neighboring cell is selected when the channel quality of the serving cell is a predetermined second offset (F2).
  • the fifth measuring unit 3003 is configured to measure the neighboring cell of the serving cell of the terminal within a predetermined fifth time period (T5); and the second selecting unit 3002 is configured to select the channel quality to be always high according to the measurement result. A cell of channel quality for other cells.
  • the device 3000 when selecting a neighboring cell with a channel quality higher than a predetermined second offset (F2) of the channel quality of the serving cell of the terminal, the device 3000 further includes a first determining unit (not shown) It is used to determine the channel quality of the serving cell and the neighboring cell.
  • the specific determination method is as described in Embodiment 13, and details are not described herein again.
  • the apparatus 3000 when selecting the cell with the best channel quality, the apparatus 3000 further includes a second determining unit (not shown) for determining the channel quality of all neighboring cells.
  • the specific determination method is as described in Embodiment 13, and details are not described herein again.
  • the apparatus 3000 may further include: a second trigger unit (not shown) for triggering a cell reselection process.
  • a second trigger unit (not shown) for triggering a cell reselection process.
  • the method for triggering cell reselection in this embodiment 16 may be used, and the content thereof is incorporated herein, and details are not described herein again.
  • the terminal in the case that the terminal selects a cell that satisfies a predetermined condition, the terminal can reselect the cell, such that a cell reselection is provided for a scenario corresponding to one or more beams in one NR cell.
  • the solution solves the existing problems.
  • the embodiment 22 provides a terminal configured with the cell reselection device 3000 as described in Embodiment 21.
  • Figure 31 is a block diagram showing the configuration of a terminal in Embodiment 22 of the present invention.
  • the terminal 3100 may include a central processing unit (CPU) 3101 and a memory 3102; the memory 3102 is coupled to the central processing unit 3101.
  • the memory 3102 can store various data; in addition, a program for cell reselection is stored, and the program is executed under the control of the central processing unit 3101 to perform cell reselection.
  • the functionality of the cell reselection device 3000 can be integrated into the central processor 3101.
  • the central processing unit 3101 can be configured to implement the cell reselection described in Embodiments 19 and/or 20. law.
  • the central processing unit 3101 may be configured to: when performing cell reselection, select a neighboring cell whose channel quality is higher than a predetermined second predetermined offset of the channel quality of the serving cell of the terminal, or select a cell with the best channel quality .
  • the cell reselection device 3000 may be configured separately from the central processing unit 3101.
  • the cell reselection device 3000 may be configured as a chip connected to the central processing unit 3101, as shown in FIG. The selection unit performs the function of the cell reselection device 3000 by the control of the central processing unit 3101.
  • the terminal 3100 may further include: a communication module 3103, an input unit 3104, a display 3106, an audio processor 3105, an antenna 3107, a power source 3108, and the like.
  • a communication module 3103 an input unit 3104
  • a display 3106 a display 3106
  • an audio processor 3105 a processor for controlling the transmission of signals
  • an antenna 3107 a power source 3108.
  • the terminal 3100 does not necessarily have to include all the components shown in FIG. 31; in addition, the terminal 3100 may further include components not shown in FIG. 31, and reference may be made to the related art.
  • the terminal in the case that the terminal selects a cell that satisfies a predetermined condition, the terminal can reselect the cell, such that a cell reselection is provided for a scenario corresponding to one or more beams in one NR cell.
  • the solution solves the existing problems.
  • the terminal can measure multiple beams of the same cell, and when performing cell selection or reselection, define a function that reflects the channel quality of the cell, and is used for comparison with the channel quality of the neighboring cell.
  • the variable that reflects the channel quality function of the cell may be the channel quality of the associated beam.
  • the embodiments of the present invention are applicable to a scenario in which an NR cell corresponds to one or more beams. Multiple beams under one NR cell correspond to the same cell ID. For a scenario in which one NR cell corresponds to only one beam, the measurement result of the beam is used to reflect the measurement result of the cell. This method is similar to the original LTE system. It is a special case of multiple beam scenes.
  • the embodiment of the present invention provides how to implement trigger beam and cell measurement, how to implement trigger beam and cell reselection, and how to implement beam sum in a scene corresponding to one or more beams in one NR cell.
  • Each of the solutions in this embodiment can be used in combination with the prior art, and the solutions of the embodiment can be used in combination, that is, the method and device for trigger beam and cell measurement in the embodiment of the present invention, A method and apparatus for triggering beam and cell reselection, and a method and apparatus for beam and cell reselection can be used in combination when the terminal performs an access procedure.
  • the terminal selects an appropriate network according to the pre-configured information and accesses, and selects an appropriate beam-resident.
  • the specific implementation may use the prior art, or the method in step 402 in Embodiment 1 may be used.
  • the terminal can determine whether the trigger condition of the beam measurement is met. When the condition is met, the terminal performs beam measurement. In addition, the terminal further determines whether the trigger condition of the cell measurement is met, and performs cell measurement when the condition is met.
  • the specific implementation may use the prior art, and the method of trigger beam measurement and triggering cell measurement in Embodiments 1 and 13 may be used, and this embodiment is not limited thereto.
  • the terminal can determine whether the trigger condition of the beam reselection is met, and if the condition is met, perform beam reselection.
  • the specific implementation may use the prior art, or may use the trigger beam reselection in Embodiment 5 and Embodiment 9
  • the beam reselection method in -10 is not limited by this embodiment.
  • the terminal may also determine whether the trigger condition of the cell reselection is met, and when the condition is met, perform cell reselection.
  • the specific implementation may use the prior art, and the trigger cell reselection in Embodiment 13 and the cell reselection method in Embodiment 19-20 may be used. This embodiment is not limited thereto.
  • Embodiments of the present invention also provide a storage medium storing a computer readable program, wherein the computer readable program causes a device or terminal that triggers beam measurement to perform the method of trigger beam measurement described in Embodiment 1.
  • An embodiment of the present invention further provides a computer readable program, wherein the program causes the device or terminal that triggers beam measurement to perform the method described in Embodiment 1 when the program is executed in a device or terminal that triggers beam measurement A method of triggering beam measurements.
  • An embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes a device or terminal that triggers beam reselection to perform the method of trigger beam reselection described in Embodiment 5.
  • An embodiment of the present invention further provides a computer readable program, wherein when the program is executed in a device or a terminal that triggers beam reselection, the program causes the device or terminal that triggers beam reselection to perform Embodiment 5 The method of trigger beam reselection.
  • An embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes a beam reselection device or a terminal to perform the beam reselection method described in Embodiment 9 or 10.
  • the embodiment of the present invention further provides a computer readable program, wherein the program causes the beam reselection device or terminal to perform the method described in Embodiment 9 or 10 when the program is executed in a beam reselection device or a terminal Beam reselection method.
  • Embodiments of the present invention also provide a storage medium storing a computer readable program, wherein the computer readable program causes a device or terminal that triggers cell measurement to perform the method of triggering cell measurement described in Embodiment 13.
  • the embodiment of the present invention further provides a computer readable program, wherein the program causes the device or terminal that triggers cell measurement to perform the method described in Embodiment 13 when the program is executed in a device or terminal that triggers cell measurement.
  • a method of triggering cell measurement is provided.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes a device or terminal that triggers cell reselection to perform the method of triggering cell reselection described in Embodiment 16.
  • the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in a device or terminal that triggers cell reselection, the program causes the device or terminal that triggers cell reselection to perform the embodiment 16 The method of triggering cell reselection.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes a cell reselection device or a terminal to perform the cell reselection method described in Embodiment 19 or 20.
  • the embodiment of the present invention further provides a computer readable program, wherein the program causes the cell reselection device or terminal to perform the method described in Embodiment 19 or 20 when the program is executed in a cell reselection device or a terminal Cell reselection method.
  • the above apparatus and method of the present invention may be implemented by hardware or by hardware in combination with software.
  • the present invention relates to a computer readable program that, when executed by a logic component, enables the logic component to implement the apparatus or components described above, or to cause the logic component to implement the various methods described above Or steps.
  • the present invention also relates to a storage medium for storing the above program, such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, or the like.
  • Each processing method in each device described in connection with the embodiments of the present invention may be directly embodied as hardware, a software module executed by a processor, or a combination of both.
  • one or more of the functional blocks shown in Figures 6-8, 12-14, 17-18, 21-23, 26-27, 30 and/or one or more combinations of functional blocks may
  • the respective software modules corresponding to the flow of the computer program may also correspond to the respective hardware modules.
  • These software modules may correspond to the various steps shown in Figures 3-5, 9-11, 15-16, 19-20, 24-25, 28-29, respectively.
  • These hardware modules can be implemented, for example, by curing these software modules using a Field Programmable Gate Array (FPGA).
  • FPGA Field Programmable Gate Array
  • the software module can reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable disk, CD-ROM, or any other form of storage medium known in the art.
  • a storage medium can be coupled to the processor to enable the processor to read information from, and write information to, the storage medium; or the storage medium can be an integral part of the processor.
  • the processor and the storage medium can be located in an ASIC.
  • the software module can be stored in the memory of the mobile terminal or in a memory card that can be inserted into the mobile terminal. For example, if a device (such as a mobile terminal) uses a larger capacity
  • the MEGA-SIM card or a large-capacity flash memory device can be stored in the MEGA-SIM card or a large-capacity flash memory device.
  • One or more of the functional block diagrams described in Figures 6-8, 12-14, 17-18, 21-23, 26-27, 30 and/or one or more combinations of functional block diagrams may be implemented for General purpose processor, digital signal processor (DSP), application specific integrated circuit (ASIC), field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware performing the functions described herein Component, or any suitable combination thereof.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • One or more of the functional block diagrams described in Figures 6-8, 12-14, 17-18, 21-23, 26-27, 30 and/or one or more combinations of functional block diagrams may also be implemented as a calculation
  • a combination of devices such as a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in communication with a DSP, or any other such configuration.
  • Appendix 1 a beam selection device, comprising:
  • a selection unit configured to select a suitable beam to stay when the terminal is in an idle state, wherein the suitable beam means that the channel quality of the beam is higher than a preset fifth threshold The beam of (TH5); or the beam quality of the beam is higher than the preset fifth threshold (TH5) beam for a predetermined ninth time period (T9).
  • a ninth measuring unit configured to perform at least one measurement on a channel quality of the beam during a predetermined ninth time period (T9) to obtain a corresponding measurement result
  • the selection unit searches the beam as a suitable beam.
  • Appendix 3 A device for triggering beam reselection, comprising:
  • the first triggering unit is configured to trigger the terminal to perform beam reselection when the first triggering condition is met, where the first triggering condition is that the channel quality of the serving beam of the terminal is less than a preset first threshold (TH1).
  • TH1 a preset first threshold
  • a third determining unit configured to determine whether the first trigger condition is met, and when the determining result is yes, the first trigger unit triggers beam reselection.
  • a device for triggering cell reselection comprising:
  • a second triggering unit configured to trigger the terminal to perform cell reselection when the second triggering condition is met; the second triggering condition is that a channel quality of the serving cell of the terminal is less than a preset second threshold (TH2).
  • a sixth determining unit configured to determine whether the second triggering condition is met, and when the determining result is yes, the second triggering unit triggers cell reselection.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un dispositif de resélection de faisceau, un dispositif de resélection de cellule et un dispositif de déclenchement de mesure. Le dispositif de resélection de faisceau comprend une première unité de sélection pour, dans une resélection de faisceau d'onde, sélectionner un faisceau adjacent ayant une qualité de canal plus élevée que le premier décalage prédéterminé pour celui du faisceau de service de terminal dans une cellule à laquelle le terminal appartient, ou sélectionner un faisceau ayant la meilleure qualité de canal dans une cellule à laquelle appartient le terminal. Ainsi, lorsqu'il est déterminé qu'un faisceau adjacent satisfaisait les conditions prédéterminées, le terminal peut resélectionner le faisceau adjacent, de sorte qu'une solution de resélection de faisceau dans une situation où un ou plusieurs faisceaux correspondent à une cellule NR est fournie, ce qui permet de résoudre les problèmes existants.
PCT/CN2016/104703 2016-11-04 2016-11-04 Dispositif de resélection de faisceau, dispositif de resélection de cellule et dispositif de déclenchement de mesure WO2018082040A1 (fr)

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