WO2024045898A1 - Procédé et dispositif de commande de mesure de canal de fréquence, support de stockage et dispositif électronique - Google Patents

Procédé et dispositif de commande de mesure de canal de fréquence, support de stockage et dispositif électronique Download PDF

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Publication number
WO2024045898A1
WO2024045898A1 PCT/CN2023/106249 CN2023106249W WO2024045898A1 WO 2024045898 A1 WO2024045898 A1 WO 2024045898A1 CN 2023106249 W CN2023106249 W CN 2023106249W WO 2024045898 A1 WO2024045898 A1 WO 2024045898A1
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state
mobility
measurement
frequency
signal field
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PCT/CN2023/106249
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English (en)
Chinese (zh)
Inventor
嵇浩
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深圳市中兴微电子技术有限公司
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Publication of WO2024045898A1 publication Critical patent/WO2024045898A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • 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
    • 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
    • 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
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA

Definitions

  • This application relates to but is not limited to the field of communications.
  • the modem chip's power-saving functional design is of great significance to the standby time of the entire UE. Especially when the UE is idle for a long time or moving at a low speed, the modem chip Sleep plays a significant role in saving power. Whether the modem chip can sleep most of the time is mainly determined by the measurement requirements. Measuring different frequency or same frequency points interrupts the sleep mechanism of the modem chip, resulting in poor power saving effect.
  • This application provides a frequency point measurement control method, device, storage medium and electronic device.
  • a frequency point measurement control method includes: receiving the measurement value of the serving cell where the user equipment UE is camped; The magnitude determines the mobility state and signal field state of the UE; the frequency point measurement of the UE is controlled according to the mobility state and the signal field state.
  • a frequency point measurement control device includes: a receiving module configured to receive the measurement value of the serving cell where the user equipment UE resides; and a determining module configured to determine according to the The measurement value determines the mobility state and signal field state of the UE; the control module is configured to control the frequency point measurement of the UE according to the mobility state and the signal field state.
  • a base station is also provided.
  • the base station includes: a processor configured to execute any frequency point measurement control method described herein.
  • a computer-readable storage medium is also provided.
  • a computer program is stored in the storage medium, wherein the computer program is configured to execute any of the methods described herein when running. step.
  • an electronic device including a memory and a processor.
  • a computer program is stored in the memory, and the processor is configured to run the computer program to perform any of the tasks described herein. steps in the method.
  • Figure 1 is a hardware structure block diagram of a mobile terminal according to the frequency point measurement control method of the present application
  • Figure 2 is a flow chart of the frequency point measurement control method according to the present application.
  • Figure 3 is a flow chart of UE mobility judgment according to the present application.
  • Figure 4 is a flow chart of UE signal strength judgment according to the present application.
  • Figure 5 is a flow chart of UE frequency point detection determination according to the present application.
  • Figure 6 is a block diagram of a frequency point measurement control device according to the present application.
  • Figure 7 is a block diagram of frequency point measurement start and stop control according to the present application.
  • FIG. 1 is a hardware structure block diagram of a mobile terminal of the frequency point measurement control method of the present application.
  • the mobile terminal may include one or more (only one is shown in Figure 1 ) processor 102 (the processor 102 may include but is not limited to a processing device such as a microprocessor MCU or a programmable logic device FPGA) and a memory 104 for storing data, wherein the above-mentioned mobile terminal may also include a processor for communication functions.
  • Transmission device 106 and input and output device 108 may be executed in a mobile terminal, a computer terminal, or a similar computing device.
  • the structure shown in Figure 1 is only illustrative, and it does not limit the structure of the above-mentioned mobile terminal.
  • the mobile terminal may also include more or fewer components than shown in FIG. 1 , or have a different configuration than shown in FIG. 1 .
  • the memory 104 can be used to store computer programs, for example, software programs and modules of application software, such as the computer program corresponding to the frequency point measurement control method in the embodiment of the present application.
  • the processor 102 runs the computer program stored in the memory 104, thereby Execute various functional applications and frequency point measurement control processing, that is, implement the above method.
  • Memory 104 may include high-speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory.
  • the memory 104 may further include memory located remotely relative to the processor 102, and these remote memories may be connected to the mobile terminal through a network. Examples of the above-mentioned networks include but are not limited to the Internet, intranets, local area networks, mobile communication networks and combinations thereof.
  • Transmission device 106 is used to receive or send data via a network.
  • Illustrative examples of the above-mentioned network may include a wireless network provided by a communication provider of the mobile terminal.
  • the transmission device 106 includes a network adapter (Network Interface Controller, NIC for short), which can be connected to other network devices through a base station to communicate with the Internet.
  • the transmission device 106 may be a radio frequency (Radio Frequency, RF for short) module, which is used to communicate with the Internet wirelessly.
  • RF Radio Frequency
  • FIG. 2 is a flow chart of the frequency point measurement control method according to this application. As shown in Figure 2, in one embodiment , the method may include the following steps S202 to S206.
  • step S202 the measurement value of the serving cell where the user equipment UE camps is received.
  • step S204 the mobility state and signal field state of the UE are determined according to the measurement values.
  • step S206 the frequency measurement of the UE is controlled according to the mobility state and the signal field state.
  • the problem in related technologies that measuring different frequency or same frequency points can interrupt the sleep mechanism of the modem chip, resulting in poor power saving effect, can be solved without affecting the idle state performance.
  • the above step S206 may include: controlling to stop the measurement of all same-frequency frequency points and inter-frequency frequency points according to the mobility state and the signal field state; or controlling to stop the measurement of all same-frequency frequency points and inter-frequency frequency points according to the mobility state and the signal field state. Stop the measurement of all inter-frequency frequency points; or control non-operational frequency points to start measurement according to the mobility state and the signal field state.
  • the mobility state includes a stationary state and a moving state
  • the signal field state includes a strong field state, a midfield state, and a weak field state
  • when the mobility state is a stationary state and the signal field state is a strong field state Under, control to stop the measurement of all same-frequency frequency points and different-frequency frequency points; when the mobility state is a moving state and the signal field state is a strong field state, or when the mobility state is a stationary state and the signal field state
  • the control stops the measurement of all inter-frequency frequency points; when the mobility state is a moving state and the signal field state is a weak field state, the When the signal field state is a midfield state, or when the mobility state is a moving state and the signal field state is a weak field state, the non-operating frequency point is controlled to start the measurement.
  • determining the mobility state and signal field state of the UE based on the measured value includes: when the measured value is Reference Signal Receiving Power (RSRP), based on the currently received RSRP and The difference in the last received RSRP adjusts the number of times the UE is in a static state, and determines the UE's mobility state based on the number of times the UE is in a static state; it is determined based on the currently received RSRP and the preset weak signal threshold and strong signal threshold.
  • the signal field status of the UE includes: when the measured value is Reference Signal Receiving Power (RSRP), based on the currently received RSRP and The difference in the last received RSRP adjusts the number of times the UE is in a static state, and determines the UE's mobility state based on the number of times the UE is in a static state; it is determined based on the currently received RSRP and the preset weak signal threshold and strong signal threshold.
  • the signal field status of the UE includes: when the measured value is Reference Signal Receiving
  • the difference in RSRP adjusts the number of quiescent states of the UE, and determines the mobility state of the UE based on the number of quiescent states of the UE, including: determining the difference between the currently received RSRP and the last received RSRP; the difference is less than or If it is equal to the preset mobility threshold, add 1 to the number of quiescent states of the UE; if the difference is greater than the preset mobility threshold, decrement the number of quiescent states of the UE by 1; determine whether the number of quiescent states is greater than Stationary state default value; if the judgment result is yes, it is determined that the UE is in a stationary state; if the judgment result is no, it is determined that the UE is in a moving state.
  • determining the difference between the currently received RSRP and the last received RSRP includes: performing weighted recording of the currently received RSRP multiple times to obtain the current target RSRP; determining the current target RSRP and the last target RSRP. The difference of , where the last target RSRP is obtained by weighting the last received RSRP multiple times.
  • determining the signal field state of the UE based on the currently received RSRP and the preset weak signal threshold and strong signal threshold includes: when the currently received RSRP is less than the weak signal threshold, determining the signal field state is Weak field state; when the currently received RSRP is greater than or equal to the weak signal threshold and the currently received RSRP is less than the strong signal threshold, the signal field state is determined to be the midfield state; when the currently received RSRP is greater than or equal to the strong signal In the case of a threshold, it is determined that the signal field state is a strong field state.
  • this method when the user equipment (User Equipment, UE for short) is in the idle state, this method can be used to make a multi-level threshold decision based on the measured value (RSRP) of the serving cell where it is stationed.
  • RSRP measured value
  • the corresponding same-frequency and inter-frequency measurement frequency points can be stopped without affecting the idle state performance, so as to achieve less or even no measurement of the neighboring cells configured in the corresponding System Information Block (SIB) at the physical layer.
  • SIB System Information Block
  • the Modem chip (modem baseband chip) is the core communication function chip of the UE. Its power-saving functional design has great significance for the standby time of the entire UE, especially when the UE is idle for a long time or moves at a low speed.
  • the sleep mode in the modem chip plays a significant role in saving power. And whether the modem chip can Enough to sleep most of the time is mainly determined by the measurement requirements. At this time, a method can be designed to avoid modem by measuring less or not measuring different frequency or same frequency points without affecting the idle state performance.
  • the sleep mechanism of the chip is interrupted, extending the sleep time longer and achieving substantial power saving space.
  • the UE When the UE is camping in a 5G standard cell, first the UE will obtain the same-frequency neighboring cells and inter-frequency points of the cell based on the four system information blocks 1/2/3/4/5 in the current camped cell. Then, the frequency points in the read system information are configured to start and stop based on the priority information. High-priority frequency points are started directly according to the protocol requirements, and other priority and low-priority frequency points are started according to the threshold. When If the serving cell result is less than the threshold, the test will also start at equal priority and low priority. When the principles of the protocol are followed, there may be too many measurement frequency points, which increases the measurement time of the UE and consumes a lot of power. The UE can use the method of this application to further reduce the starting range of frequency points based on the starting frequency points according to the protocol, reduce the measurement frequency points, and save power.
  • UE mobility judgment when receiving the result of the serving cell, after multiple iterations of the serving cell result, the mobility status of the UE is judged and output.
  • Thresh3 is set as the threshold of strong signal
  • Thresh4 is set as the threshold of weak signal
  • the UE is considered to be in the weak field state.
  • the result of the serving cell is greater than or equal to the threshold Thresh4 and less than Thresh3
  • the UE is considered to be in the midfield state.
  • the result of the serving cell is greater than or equal to the threshold Thresh3
  • the UE is considered to be in the weak field state. Strong field state, and uses the UE's signal field state as the output quantity.
  • the UE frequency point measurement determination is based on a comprehensive judgment based on the UE's mobility status and the UE's signal field status value, and is divided into the following scenario combinations:
  • the frequency point measurement is not operated.
  • Control frequency point measurement based on the mobility status of the UE and the measurement frequency start and stop results obtained after processing the signal field status value of the UE. From the perspective of the entire scope, one serving cell measurement is used as the input quantity. After processing, the result of one measurement start and stop is output.
  • This embodiment will be described by taking the process of starting and stopping measurement after the UE camps on a new cell in the 5G network and reads the measurement frequency point in the system message of the cell as an example.
  • FIG. 3 is a flow chart of UE mobility determination according to the present application. As shown in Figure 3, UE mobility determination serves to determine the mobile stationary state of the UE, and the steps may include S301 to S309.
  • step S301 the serving cell measurement result of the UE is received and the result is recorded.
  • the first result is directly outputted without comparison and then moves to step S301. Otherwise, step S302 is executed.
  • step S302 the difference between the currently received serving cell measurement result and the last serving cell measurement result is determined.
  • step S303 it is determined whether the difference is greater than the preset mobility threshold. If the determination result is yes, step S304 is executed. Otherwise, step S305 is executed.
  • step S304 the number of stationary states is decremented by one.
  • step S305 the number of stationary states is increased by 1.
  • the difference is obtained by subtracting the currently received serving cell result from the last serving cell result.
  • the difference takes the absolute value, and the difference is compared with the preset mobility threshold. If it is less than or equal to the static state, The number of times is increased by 1, and if it is greater than the number of static states, the number of times in the static state is decremented by 1, and then step S306 is executed.
  • step S306 it is determined whether the number of times of the static state is greater than the preset value of the static state. If the determination result is yes, step S307 is executed; otherwise, step S308 is executed.
  • Step S307 Determine that the UE is in a stationary state.
  • Step S308 Determine that the UE is in a mobile state.
  • the number of static states is compared with the preset value of the static state, and it is greater than If the value is less than or equal to the value, the UE is considered to be in a moving state.
  • step S309 the mobility status of the UE is output.
  • FIG 4 is a flow chart of UE signal strength judgment according to the present application. As shown in Figure 4, UE signal strength judgment plays the role of UE signal field status judgment, and the measurement results of the serving cell are compared with the two set thresholds. To obtain the signal field status, the steps may include S401 to S408.
  • step S401 obtain the serving cell measurement result of the UE.
  • step S402 it is judged whether the serving cell measurement result is greater than or equal to the strong signal threshold. If the judgment result is yes, step S403 is executed; otherwise, step S404 is executed.
  • step S403 it is determined that the UE is in a strong field state.
  • step S404 it is determined whether the serving cell measurement result is greater than or equal to the weak signal threshold and less than the strong signal threshold. If the determination result is yes, step S405 is executed; otherwise, step S406 is executed.
  • step S405 it is determined that the UE is in the midfield state.
  • step S406 it is determined whether the serving cell measurement result is less than the weak signal threshold. If the determination result is yes, step S407 is executed.
  • Step S407 determine that the UE is in a weak field state.
  • Step S408 Output the signal strength status of the UE (ie, signal field status).
  • Figure 5 is a flow chart of UE frequency point measurement start determination according to the present application. As shown in Figure 5, the UE mobility judgment result and the UE signal strength judgment result are combined to determine which measurement frequency points need to be started and stopped. The steps may include S501 to S509.
  • step S501 obtain the mobility status and signal field status of the UE.
  • step S502 it is determined whether the UE is in a strong field state. If the determination result is yes, step S503 is executed. Otherwise, step S504 is executed.
  • step S503 it is determined whether the UE is in a stationary state or a moving state. If it is in a stationary state, step S507 is executed. If it is in a moving state, step S508 is executed.
  • step S504 determine whether the UE is in midfield state. If the determination result is yes, If so, perform step S505; otherwise, perform step S506.
  • step S505 it is determined that the UE is in a stationary state or a moving state. If it is in a stationary state, step S508 is executed. If it is in a moving state, step S509 is executed.
  • step S506 it is determined that the UE is in a stationary state or a moving state. If it is in a stationary state, step S508 is executed. If it is in a moving state, step S509 is executed.
  • step S507 the measurement of all frequency points is stopped.
  • step S508 the measurement of all inter-frequency points is stopped.
  • step S509 the measurement is started without operating the frequency point.
  • a frequency point measurement control device is also provided.
  • Figure 6 is a block diagram of the frequency point measurement control device according to the present application.
  • the device includes: a receiving module 62 configured as Receive the measurement value of the serving cell where the user equipment UE resides; the determination module 64 is configured to determine the mobility status and signal field status of the UE based on the measurement value; the control module 66 is configured to control the UE based on the mobility status and signal field status frequency point measurement.
  • control module 66 is further configured to control and stop the measurement of all co-frequency frequency points and inter-frequency frequency points according to the mobility state and the signal field state; or to control the measurement of all co-frequency frequency points and inter-frequency frequency points according to the mobility state and the signal field state.
  • the state control stops the measurement of all inter-frequency frequency points; or controls the non-operating frequency points to start measurement according to the mobility state and the signal field state.
  • the mobility state includes a stationary state and a moving state
  • the signal field state includes a strong field state, a midfield state, and a weak field state
  • the control module 66 is also configured to operate when the mobility state is a stationary state and When the signal field state is a strong field state, the control stops the measurement of all same-frequency frequency points and different-frequency frequency points; when the mobility state is a moving state and the signal field state is a strong field state, the control Stop the measurement of all inter-frequency frequency points; when the mobility state is a static state and the signal field state is a midfield state, control to stop the measurement of all inter-frequency frequency points; when the mobility state is When the stationary state and the signal field state is a weak field state, the control stops the measurement of all inter-frequency frequency points; when the mobility state is a moving state and the signal field state is a midfield state, the control does not Start measuring at an operating frequency point; when the mobility state is a moving state and the signal field state is a weak field state, control does not start measuring
  • the determination module 64 includes: a first determination sub-module configured to adjust the UE according to the difference between the currently received RSRP and the last received RSRP when the measured value is the reference signal received power RSRP.
  • the number of static states of the UE, and the mobility state of the UE is determined based on the number of static states of the UE;
  • the second determination submodule is configured to determine the mobility status of the UE based on the currently received RSRP and the preset weak signal threshold and strong signal threshold. Signal field status.
  • the above-mentioned first determination sub-module is further configured to determine the difference between the currently received RSRP and the last received RSRP; when the difference is less than or equal to the preset mobility threshold , add 1 to the number of static states of the UE; if the difference is greater than the preset mobility threshold, subtract 1 from the number of static states of the UE; determine whether the number of static states is greater than the preset value of the static state; If the judgment result is yes, it is determined that the UE is in a stationary state; if the judgment result is no, it is determined that the UE is in a moving state.
  • the above-mentioned first determination sub-module is further configured to perform weighted recording of the currently received RSRP multiple times to obtain the current target RSRP; determine the difference between the current target RSRP and the previous target RSRP, where, The last target RSRP is obtained by weighting the last received RSRP multiple times.
  • the above-mentioned second determination sub-module is further configured to determine that the signal field state is a weak field state when the currently received RSRP is less than the weak signal threshold; when the currently received RSRP is greater than or When equal to the weak signal threshold and the currently received RSRP is less than the strong signal threshold, the signal field state is determined to be the midfield state; when the currently received RSRP is greater than or equal to the strong signal threshold, the signal field state is determined The field state is a strong field state.
  • the entire algorithm is divided into three sub-parts for processing, which are independent of each other.
  • Figure 7 is a block diagram of frequency point measurement start and stop control according to the present application.
  • the first sub-part is called the UE mobility judgment module 72
  • the second sub-part is called the UE signal strength judgment module 74
  • the three sub-parts are called the UE frequency point measurement determination module 76
  • the fourth sub-part is the control frequency point measurement module 78.
  • the UE mobility judgment module 72 is configured to perform multiple weighted recordings of the measurement results of the serving cell received by the UE, and then compare the measurement results of the UE's serving cell with the previously received serving cell measurement value to obtain a difference.
  • Set the mobility judgment threshold value (corresponding to the above-mentioned preset mobility threshold value) to Thresh1; the threshold value of the UE static state (corresponding to the above-mentioned static state preset value) to Thresh2, when the difference is less than or equal to the mobility judgment threshold value
  • Thresh1 the count of the stationary state is increased by 1.
  • the difference is greater than the mobility judgment threshold Thresh1, the count of the stationary state is decremented by 1.
  • Module 76 Determine whether the number of times of static state is greater than the threshold value Thresh2 for determining the static state. If it is greater than the threshold value Thresh2, it is considered that the UE is now in a static state, and if it is less than or equal to it, the UE is considered to be in a moving state; and the result of this judgment is output to the UE for frequency point measurement judgment. Module 76.
  • the UE signal strength judgment module 74 is configured to judge the signal strength of the UE based on the reported measurement results, perform threshold judgment on the results of the current serving cell, and set Thresh3 as the signal strength threshold (corresponding to the above-mentioned strong signal threshold); set Thresh4 is the weak signal threshold (corresponding to the above weak signal threshold); when the result of the serving cell is less than the threshold Thresh4, the UE is considered to be in a weak field state; when the result of the serving cell is greater than or equal to the threshold Thresh4 and less than Thresh3, the UE is considered to be in a medium field state.
  • the UE when the result of the serving cell is greater than or equal to the threshold Thresh3, the UE is considered to be in a strong field state, and the signal field state of the UE is output to the UE frequency point measurement determination module 76 as an output quantity.
  • the UE frequency point measurement determination module 76 and the control frequency point measurement module 78 are configured to integrate the UE's mobility status output by the UE mobility determination module 72 and the UE's signal field status value output by the UE signal strength determination module 74 It is judged that the UE needs to start and stop measuring frequency points, and the frequency point measurement is performed based on the judgment results.
  • the present application also provides a base station, which includes: a processor configured to execute any one of the above frequency point measurement control methods.
  • This application also provides a computer-readable storage medium.
  • the computer-readable storage medium A computer program is stored in the storage medium, wherein the computer program is configured to execute the steps in any of the above method implementations when running.
  • the above-mentioned computer-readable storage medium may include but is not limited to: U disk, read-only memory (Read-Only Memory, referred to as ROM), random access memory (Random Access Memory, referred to as RAM) , mobile hard disk, magnetic disk or optical disk and other media that can store computer programs.
  • ROM read-only memory
  • RAM random access memory
  • mobile hard disk magnetic disk or optical disk and other media that can store computer programs.
  • the present application also provides an electronic device, which includes a memory and a processor.
  • a computer program is stored in the memory, and the processor is configured to run the computer program to execute the steps in any of the above method implementations.
  • the above-mentioned electronic device may further include a transmission device and an input-output device, wherein the transmission device is connected to the above-mentioned processor, and the input-output device is connected to the above-mentioned processor.
  • modules or steps of the present application can be implemented using general-purpose computing devices, and they can be concentrated on a single computing device, or distributed across a network composed of multiple computing devices. They may be implemented in program code executable by a computing device, such that they may be stored in a storage device for execution by the computing device, and in some cases may be executed in a sequence different from that shown herein. Or the described steps can be implemented by making them into individual integrated circuit modules respectively, or by making multiple modules or steps among them into a single integrated circuit module. As such, the application is not limited to any specific combination of hardware and software.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

La présente invention concerne un procédé et un dispositif de commande de mesure de canal de fréquence, un support de stockage et un dispositif électronique. Le procédé consiste à : recevoir une valeur de mesure d'une cellule de desserte sur laquelle campe un équipement utilisateur (UE) ; déterminer un état de mobilité et un état de champ de signal de l'UE en fonction de la valeur de mesure ; et commander une mesure de canal de fréquence pour l'UE en fonction de l'état de mobilité et de l'état de champ de signal.
PCT/CN2023/106249 2022-08-30 2023-07-07 Procédé et dispositif de commande de mesure de canal de fréquence, support de stockage et dispositif électronique WO2024045898A1 (fr)

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CN202211049911.4A CN117692946A (zh) 2022-08-30 2022-08-30 一种频点测量控制方法、装置、存储介质及电子装置

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