WO2024050672A1 - Procédé et appareil de séléction de cellules - Google Patents

Procédé et appareil de séléction de cellules Download PDF

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Publication number
WO2024050672A1
WO2024050672A1 PCT/CN2022/117109 CN2022117109W WO2024050672A1 WO 2024050672 A1 WO2024050672 A1 WO 2024050672A1 CN 2022117109 W CN2022117109 W CN 2022117109W WO 2024050672 A1 WO2024050672 A1 WO 2024050672A1
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Prior art keywords
cell
base station
indication information
offset
green
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PCT/CN2022/117109
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English (en)
Chinese (zh)
Inventor
许宁
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北京小米移动软件有限公司
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Priority to PCT/CN2022/117109 priority Critical patent/WO2024050672A1/fr
Publication of WO2024050672A1 publication Critical patent/WO2024050672A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems

Definitions

  • the present disclosure relates to the field of communication technology, and in particular, to a cell selection method, device, equipment and storage medium.
  • mobile communication networks need to build large-scale base stations to form wide-area and deep wireless signal coverage. At the same time, the number of base stations or cells needs to be continuously increased in hot spots to meet the demand for large amounts of data transmission.
  • 4G 4th generation mobile communication technology
  • 5G 5th Generation Mobile Communication Technology
  • technologies such as carrier aggregation and multi-antenna can be used.
  • 3rd-Generation, 3G 3rd-Generation, 3G systems require more wireless carriers and radio frequency transceiver channels.
  • green base stations and traditional base stations will coexist for a long time.
  • the present disclosure proposes a cell selection method, device, equipment and storage medium to perform cell selection based on the broadcast message sent by the base station, which can increase the probability of selecting a green cell, reduce the carbon emissions of the overall network, and reduce the energy consumption of the mobile communication network. Consumption.
  • An embodiment of the present disclosure provides a cell selection method, the method is executed by a terminal device, and the method includes:
  • a cell to camp on is selected.
  • receiving a broadcast message sent by a base station includes:
  • SIB System Information Block
  • receiving a broadcast message sent by a base station includes:
  • MIB Master Information Block
  • the indication information includes at least one of the following:
  • Parameter indication information of 0 or 1;
  • the method further includes at least one of:
  • receiving the configuration information sent by the base station includes at least one of:
  • Non-access Stratum Non Access Stratum
  • the offset set includes a first offset
  • selecting a cell to camp on based on the indication information includes:
  • the same-frequency measurement threshold and the first offset Based on the signal quality of the current resident cell, the same-frequency measurement threshold and the first offset, start the same-frequency measurement and re-select the resident cell.
  • the offset set further includes a second offset and a third offset
  • the reselecting of the camped cell includes:
  • the hysteresis amount corresponding to the current camped cell Based on the Reference Signal Receiving Power (RSRP) of the current camped cell, the hysteresis amount corresponding to the current camped cell, the temporary offset value Qoffset temp of the current camped cell and the hysteresis amount
  • the corresponding second offset determines the first reselection parameter R s of the current resident cell
  • the at least one co-frequency neighbor cell is determined based on the RSRP of the at least one co-frequency neighbor cell, the offset value of the co-frequency neighbor cell, the Qoffset temp and the third offset corresponding to the second reselection parameter R n
  • the second reselection parameter R n of the neighboring cell, wherein the at least one same-frequency neighboring cell is a green cell;
  • a resident cell is reselected in the at least one same-frequency neighboring cell.
  • the at least one Re-select the resident cell among co-frequency neighboring cells including:
  • reselection is performed to the same-frequency neighbor cell with the highest second reselection parameter.
  • the offset set includes a fourth offset
  • selecting a cell to camp on based on the indication information includes:
  • non-co-frequency measurement threshold and the fourth offset Based on the signal quality of the current resident cell, the non-co-frequency measurement threshold and the fourth offset, non-co-frequency measurement is started, and the resident cell is re-selected.
  • initiating non-co-frequency measurement includes:
  • Inter-frequency measurement is performed on at least one frequency point, where the priority of the at least one frequency point is lower than a preset priority.
  • Another aspect of the present disclosure provides a cell selection method, which is executed by a base station.
  • the method includes:
  • the broadcast message carries indication information, and the indication information is used to indicate whether the base station is a green base station.
  • sending a broadcast message to a terminal device includes:
  • a system message block is sent to the terminal device through the cell, where the system message block includes the indication information, and the indication information is used to indicate whether the base station to which the cell belongs is a green base station.
  • sending a broadcast message to a terminal device includes:
  • a main message block is sent to the terminal device through the cell, where the main message block includes the indication information, and the indication information is used to indicate whether the base station to which the cell belongs is a green base station.
  • the indication information includes at least one of the following:
  • Parameter indication information of 0 or 1;
  • the method further includes at least one of:
  • sending configuration information to the terminal device includes at least one of:
  • System messages are broadcast to the terminal device through the cell, where the system messages include the configuration information.
  • Another aspect of the present disclosure provides a cell selection device, the device is provided on the terminal equipment side, and the device includes:
  • a receiving module configured to receive a broadcast message sent by the base station, wherein the broadcast message carries indication information, and the indication information is used to indicate whether the base station is a green base station;
  • a selection module configured to select a resident cell based on the indication information.
  • Another aspect of the present disclosure provides a cell selection device, the device is provided on the base station side, and the device includes:
  • a sending module configured to send a broadcast message to the terminal device, where the broadcast message carries indication information, and the indication information is used to indicate whether the base station is a green base station.
  • the device includes a processor and a memory.
  • a computer program is stored in the memory.
  • the processor executes the computer program stored in the memory so that the The device performs the method proposed in the embodiment of the above aspect.
  • the device includes a processor and a memory.
  • a computer program is stored in the memory.
  • the processor executes the computer program stored in the memory, so that the device Execute the method proposed in the embodiment of the above aspect.
  • a communication device provided by another embodiment of the present disclosure includes: a processor and an interface circuit
  • the interface circuit is used to receive code instructions and transmit them to the processor
  • the processor is configured to run the code instructions to execute the method proposed in any of the above embodiments.
  • a computer-readable storage medium provided by an embodiment of another aspect of the present disclosure is used to store instructions. When the instructions are executed, the method proposed in any of the above embodiments is implemented.
  • the broadcast message sent by the base station is received, wherein the broadcast message carries indication information, and the indication information is used to indicate whether the base station is a green base station, and based on the indication information, the resident cell is selected.
  • the broadcast message sent by the base station improves the accuracy of the terminal device in determining the green cell, increases the probability of the terminal device selecting the green cell, reduces the carbon emissions of the overall network, and reduces the energy consumption of the mobile communication network.
  • This disclosure provides a processing method for a "cell selection" situation to perform cell selection based on the broadcast message sent by the base station, which can increase the probability of selecting a green cell, reduce the carbon emissions of the overall network, and reduce the number of mobile communication networks. of energy consumption.
  • Figure 1 is a schematic flowchart of a cell selection method provided by an embodiment of the present disclosure
  • Figure 2 is a schematic flowchart of a cell selection method provided by yet another embodiment of the present disclosure.
  • Figure 3 is a schematic flowchart of a cell selection method provided by yet another embodiment of the present disclosure.
  • Figure 4 is a schematic flowchart of a cell selection method provided by yet another embodiment of the present disclosure.
  • Figure 5 is a schematic flowchart of a cell selection method provided by yet another embodiment of the present disclosure.
  • Figure 6 is a schematic flowchart of a cell selection method provided by yet another embodiment of the present disclosure.
  • Figure 7 is a schematic flowchart of a cell selection method provided by yet another embodiment of the present disclosure.
  • Figure 8 is a schematic flow chart of a cell selection method provided by yet another embodiment of the present disclosure.
  • Figure 9 is a schematic flowchart of a cell selection method provided by yet another embodiment of the present disclosure.
  • Figure 10 is a schematic flowchart of a cell selection method provided by yet another embodiment of the present disclosure.
  • Figure 11 is a schematic flowchart of a cell selection method provided by yet another embodiment of the present disclosure.
  • Figure 12 is a schematic flowchart of a cell selection method provided by yet another embodiment of the present disclosure.
  • Figure 13 is a schematic flow chart of a cell selection method provided by yet another embodiment of the present disclosure.
  • Figure 14 is a schematic structural diagram of a cell selection device provided by an embodiment of the present disclosure.
  • Figure 15 is a schematic structural diagram of a cell selection device provided by another embodiment of the present disclosure.
  • Figure 16 is a block diagram of a terminal device provided by an embodiment of the present disclosure.
  • Figure 17 is a block diagram of a base station provided by an embodiment of the present disclosure.
  • first, second, third, etc. may be used to describe various information in the embodiments of the present disclosure, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other.
  • first information may also be called second information, and similarly, the second information may also be called first information.
  • the words "if” and “if” as used herein may be interpreted as “when” or “when” or “in response to determining.”
  • the network elements or network functions involved in the embodiments of the present disclosure can be implemented by independent hardware devices or by software in the hardware devices. This is not limited in the embodiments of the present disclosure.
  • Base stations are an important part of mobile communication networks. How to reduce base station energy consumption and realize green and energy-saving base stations is a focus issue in network energy conservation. Among them, base station green energy-saving technologies are divided into three major categories.
  • the first category is to use green energy, such as wind energy or solar energy, to power and heat the base station;
  • the second category is to optimize the base station’s signal transmission and reception itself, such as through intelligent dynamic activation, voltage reduction , deactivate, or adjust resource usage to reduce energy consumption;
  • the third category is to adopt optimized base station forms and structures, such as distributed base stations, centralized baseband processing, high-efficiency power amplifier and other technologies to reduce the overall energy consumption of the network.
  • a terminal device In a mobile communication network, a terminal device first obtains the time and frequency synchronization of surrounding cells and the system information of the cells through cell search.
  • the terminal device in the idle state performs idle state measurements and selects the best available cell.
  • Terminal equipment usually uses the S criterion and the R criterion to make judgments when selecting and reselecting cells.
  • the base station can control the terminal equipment to select a cell to achieve the purpose of admission control.
  • the terminal device After determining to access a cell, the terminal device initiates a random access process to the cell, establishes a wireless communication link with the base station, and enters the Radio Resource Control (RRC) connection state. After the physical layer transmission channel and the RRC connection are established, the terminal device uses the RRC connection to send an attach request at the NAS layer and access the core network of the mobile communication network.
  • RRC Radio Resource Control
  • the terminal device reads the system information block 1 (SystemInformationBlock 1, SIB1) and learns the PLMN to which the cell belongs.
  • the Access Stratum (AS) layer of the terminal device determines whether it can access a certain PLMN cell based on the PLMN information provided by the NAS layer.
  • An operator's network may also use multiple frequency points to deploy base stations and cells.
  • the terminal device scans all supported frequency points and discovers multiple co-frequency or inter-frequency cells.
  • the AS layer of the terminal equipment must determine whether there is a cell under the optional Public Land Mobile Network (PLMN) whose signal quality meets the conditions.
  • PLMN Public Land Mobile Network
  • the terminal device determines whether to select by comparing the relationship between the received cell signal quality, such as RSRP or Reference Signal Receiving Quality (RSRQ), and the preset threshold value, that is, the S-criterion. Stay in this neighborhood.
  • the S criteria for judging based on RSRP or RSRQ are:
  • Formula 1 is the S criterion based on RSRP, and Formula 1 is the S criterion based on RSRQ;
  • Srxlev is a cell selection metric based on reception level (ie RSRP);
  • Squal is a cell selection metric based on reception quality (RSRQ);
  • Q rxlevmeas and Q qualmeas are the reception level (i.e. RSRP) and reception quality (i.e. RSRQ) of the tested cell respectively;
  • Q rxlevmin and Q qualmin are respectively the lowest reception level value (unit dBm) and the lowest reception quality value (unit dB) that can access the cell;
  • Q rxlevminoffset and Q qualminoffset are offset values used to smooth signal fluctuations and prevent ping-pong selection, in dB;
  • P compensation is the compensation amount that takes into account the maximum transmit power limit of the terminal equipment
  • Qoffset temp is a temporary offset value used for connection establishment failure
  • the terminal equipment selects a cell that satisfies the S criterion as a suitable cell (Suitable Cell) to camp on.
  • a terminal device that is in an idle state and has camped in a suitable cell reselects other "better" cells under the current PLMN through a cell reselection process.
  • One cell is "better” than another cell with two meanings: (1) From the perspective of physical layer point-to-point signal quality alone, the signal quality of one cell is higher than the other; (2) From the perspective of overall network performance, especially When considering the performance differences between different frequencies and different access formats, or considering wireless resource management factors such as load balancing, network management operators hope that the terminal equipment will give priority to a cell with a certain frequency point, or to give priority to a certain access standard. community.
  • the terminal equipment For co-frequency cells, for the operation of traditional base stations and traditional cells, the terminal equipment needs to measure other cells only when the signal quality of the current serving cell is not good enough. Therefore, the terminal equipment measures the signal quality RSRP (Srxlev) and RSRQ (Squal) of the serving cell. When one of the two is less than or equal to the same-frequency measurement threshold, that is, Srxlev ⁇ S IntraSearchP or Squal ⁇ S IntraSearchQ , the terminal equipment needs to activate the same frequency. frequency measurement.
  • the threshold values S IntraSearchP and S IntraSearchQ are given by system messages, for example, they can be given by broadcast system messages. Among them, S IntraSearchP is the RSRP threshold for same-frequency measurement, and S IntraSearchQ is the RSRQ threshold for same-frequency measurement.
  • the terminal device obtains the signal quality of multiple co-frequency cells and ranks them to select the best co-frequency cell.
  • the terminal equipment calculates the ranking criteria R s and R n respectively for the serving cell and the same-frequency neighbor cell, that is, the R-criterion:
  • Q meas,s and Q meas,n are the RSRPs of the serving cell and the nth co-frequency neighbor cell respectively.
  • Q hyst is the hysteresis amount set for the serving cell, which allows the serving cell ranking criterion value to be higher than the actual signal quality.
  • Qoffset temp is a temporary offset value used for connection establishment failure.
  • Qoffset is the offset value of the same-frequency neighboring cell.
  • Figure 1 is a schematic flowchart of a cell selection method provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Figure 1, the method may include the following steps:
  • Step 101 Receive a broadcast message sent by the base station, where the broadcast message carries indication information, and the indication information is used to indicate whether the base station is a green base station;
  • Step 102 Select a cell to camp on based on the indication information.
  • the terminal device may be a device that provides voice and/or data connectivity to the user.
  • Terminal devices can communicate with one or more core networks via RAN (Radio Access Network).
  • the terminal devices can be IoT terminal devices, such as sensor devices, mobile phones (or "cellular" phones) and
  • a computer with an Internet of Things terminal device may, for example, be a fixed, portable, pocket-sized, handheld, built-in computer or vehicle-mounted device.
  • the terminal device may also be a device of an unmanned aerial vehicle.
  • the terminal device may also be a vehicle-mounted device, for example, it may be a driving computer with a wireless communication function, or a wireless terminal device connected to an external driving computer.
  • the terminal device may also be a roadside device, for example, it may be a street light, a signal light or other roadside device with wireless communication function.
  • the terminal device when the terminal device receives a broadcast message during the cell selection process, if the terminal device determines that the broadcast device includes indication information, the terminal device may determine that the base station indicates the cell. Whether it is a green cell, that is, whether the base station to which the cell belongs is a green base station. If the indication information indicates that the cell is a green cell, when the terminal device performs cell selection, the terminal device can select the cell first. For example, if the terminal equipment determines that both cell A and cell B meet the cell selection conditions, but the terminal equipment determines that the indication information indicates that cell A is a green cell and that cell B is a non-green cell, the terminal equipment can select cell A as the terminal equipment to camp on. community.
  • receiving a broadcast message sent by a base station includes:
  • the base station may send the indication information to the terminal device in, for example, System Message Block 1 (SIB1) or other SIB, to indicate whether the base station is a green base station.
  • SIB1 System Message Block 1
  • the terminal device can receive system message block 1 (SIB1) or other SIBs, and the terminal device can obtain the indication information.
  • receiving a broadcast message sent by a base station includes:
  • the main message block includes indication information
  • the indication information is used to indicate whether the base station to which the cell belongs is a green base station.
  • the indication information includes at least one of the following:
  • Parameter indication information of 0 or 1;
  • the indication information may be a parameter of 0 or 1, for example.
  • 1 indicates that the cell is a green cell
  • 0 indicates that the cell is not a green cell.
  • the indication information may also be a Boolean value, for example.
  • “true” may be used to indicate that the cell is a green cell
  • “false” may be used to indicate that the cell is not a green cell.
  • the indication information may also be an enumeration value, indicating whether the cell is a green cell.
  • enumeration value indication information can be better compatible with traditional base stations. For example, the system message sent by a cell of a traditional base station does not carry this indication information, indicating that the cell is not a green cell, that is, the base station to which the cell belongs is not a green base station.
  • the indication information may also be an identifier.
  • the system message includes the indication information; when the base station to which the cell belongs is an ordinary base station, the system message does not include the indication. information. In this way, the occupation of system message resources can be reduced.
  • the opposite can also be done, that is, when the base station to which the cell belongs is a common base station, the system message includes the indication information.
  • the method further includes at least one:
  • the offset set does not specifically refer to a fixed offset set.
  • the offset set may also change accordingly.
  • the offset set may include, for example, at least one of a first offset, a second offset, a third offset and a fourth offset.
  • the offset set may include one offset or multiple offsets.
  • receiving the configuration information sent by the base station includes at least one of:
  • the offset set includes the first offset
  • selecting the camped cell includes:
  • the same-frequency measurement threshold and the first offset start the same-frequency measurement to determine whether to switch the resident cell.
  • the camped cell can be reselected based on the same-frequency measurement results.
  • the first offset value includes at least one of the following: OffsetGreen IntraSearchP and OffsetGreen IntraSearchQ .
  • OffsetGreen IntraSearchP is the offset value corresponding to the same-frequency measurement RSRP
  • OffsetGreen IntraSearchQ is the offset value corresponding to the same-frequency measurement RSRQ.
  • Srxlev ⁇ S IntraSearchP +OffsetGreen IntraSearchP and/or Squal ⁇ S IntraSearchQ +OffsetGreen IntraSearchQ the terminal device can start co-frequency measurement.
  • the probability of terminal equipment starting co-frequency measurement can be increased, the terminal equipment can be increased to leave the current resident cell, and the terminal equipment can be improved The probability of leaving the traditional cell and choosing a green cell with the same frequency.
  • the terminal device can perform cell selection between green cells and traditional cells, which can reduce the carbon emissions of the network.
  • the offset set also includes a second offset and a third offset
  • reselecting the camped cell includes:
  • the third offset of the current camped cell is determined.
  • One reselection parameter R s One reselection parameter R s ;
  • the resident cell is reselected in at least one same-frequency neighboring cell.
  • the terminal device may obtain the system message sent by the base station.
  • This system message includes a list of intra-frequency neighbor cells.
  • the co-frequency neighbor cell list includes a physical cell identifier (Physical Cell Identifier, PCI) of at least one co-frequency neighbor cell and an offset value Qoffset of each co-frequency neighbor cell.
  • PCI Physical Cell Identifier
  • the terminal device can obtain the PCI of the same-frequency neighboring cell from the synchronization signal during synchronization measurement, and then query the offset value of the same-frequency neighboring cell based on the PCI.
  • the base station can configure different Qoffsets for different cells. For example, the base station can configure a larger positive value for the green cell to increase the probability that the terminal device selects the green cell or the green base station.
  • the second offset amount refers to the offset amount set for the hysteresis amount, and the offset amount does not specifically refer to a fixed offset amount. For example, when the specific value corresponding to the second offset changes, the second offset can also change accordingly.
  • the device is based on the reference signal received power RSRP of the current camped cell, the hysteresis amount corresponding to the current camped cell, the temporary offset value Qoffset temp and the hysteresis amount of the current camped cell.
  • the corresponding second offset determines the first reselection parameter Rs of the current resident cell.
  • the calculation formula of Rs can be as shown in (Formula 5).
  • OffsetGreen hyst is the second offset corresponding to the hysteresis amount.
  • setting the second offset value can reduce R s , relative to reducing the ranking value of the current resident cell, so that the probability of the terminal device leaving the current non-green cell is higher. high.
  • the current resident cell can be understood as the current serving cell.
  • the cell where the terminal device currently resides may be cell B.
  • the terminal device finds the highest-ranked co-frequency cell, which may be, for example, cell A. If R s of cell A is greater than R n and satisfies the S criterion, the terminal device can be reselected to cell A.
  • the third offset refers to the offset for the second reselection parameter R n , and the offset does not specifically refer to a fixed offset.
  • the third offset can also change accordingly.
  • the offset value of the co-frequency neighbor cell, Qoffset temp and the third offset corresponding to the second reselection parameter R n Determine the second reselection parameter R n of at least one co-frequency neighbor cell.
  • the calculation formula of R n can be as shown in (Formula 6).
  • OffsetGreen rn is the third offset corresponding to the second reselection parameter R n .
  • a third offset is configured for the second reselection parameter R n , and the second reselection parameter can be increased, which is equivalent to increasing the relative value of the adjacent green cell relative to the non-
  • the Ranking value of the green cell improves the probability of the terminal device reselecting to the green cell.
  • the resident cell is reselected in at least one same-frequency neighboring cell.
  • Community including:
  • reselection is performed to the same-frequency neighbor cell with the highest second reselection parameter.
  • the offset set includes a fourth offset, and based on the indication information, selecting the camped cell includes:
  • non-co-frequency measurement ie, inter-frequency measurement
  • the resident cell is re-selected.
  • the reselection priorities and inter-frequency reselection parameters of multiple frequencies are usually configured in the inter-frequency list in the system message. If there are frequency points in the inter-frequency list that have a reselection priority higher than that of the serving cell, the terminal equipment must always perform inter-frequency measurements on these frequency points.
  • the terminal device performs inter-frequency measurement on the low-priority frequency point.
  • the fourth offset value may include at least one of OffsetGreen nonIntraSearchP and OffsetGreen nonIntraSearchQ .
  • OffsetGreen nonIntraSearchP is the offset value corresponding to non-intra-frequency measurement RSRP
  • OffsetGreen nonIntraSearchQ is the offset value corresponding to non-in-frequency measurement RSRQ.
  • the terminal equipment can start non-co-frequency measurement based on the signal quality of the current resident cell, the non-co-frequency measurement threshold and the fourth offset, for example, RSRP ⁇ S nonIntraSearchP +OffsetGreen nonIntraSearchP and/or RSRQ ⁇ S nonIntraSearchQ +OffsetGreen nonIntraSearchP , the terminal device can perform inter-frequency measurements on low-priority frequency points.
  • the fourth offset for example, RSRP ⁇ S nonIntraSearchP +OffsetGreen nonIntraSearchP and/or RSRQ ⁇ S nonIntraSearchQ +OffsetGreen nonIntraSearchP
  • initiating non-co-frequency measurement includes:
  • Inter-frequency measurement is performed on at least one frequency point, where the priority of at least one frequency point is lower than a preset priority.
  • the broadcast message sent by the base station is received, wherein the broadcast message carries indication information, and the indication information is used to indicate whether the base station is a green base station, and based on the indication information, the resident cell is selected.
  • the broadcast message sent by the base station improves the accuracy of the terminal device in determining the green cell, increases the probability of the terminal device selecting the green cell, reduces the carbon emissions of the overall network, and reduces the energy consumption of the mobile communication network.
  • This disclosure provides a processing method for a "cell selection" situation to perform cell selection based on the broadcast message sent by the base station, which can increase the probability of selecting a green cell, reduce the carbon emissions of the overall network, and reduce the number of mobile communication networks. of energy consumption.
  • Figure 2 is a schematic flowchart of a cell selection method provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Figure 2, the method may include the following steps:
  • Step 201 Receive a system message block sent by the base station through the cell, where the system message block includes indication information, and the indication information is used to indicate whether the base station to which the cell belongs is a green base station;
  • Step 202 Select a cell to camp on based on the indication information.
  • the indication information includes at least one of the following:
  • Parameter indication information of 0 or 1;
  • the base station may send the indication information to the terminal device in, for example, System Message Block 1 (SIB1) or other SIB, to indicate whether the base station is a green base station.
  • SIB1 System Message Block 1
  • the terminal device can receive system message block 1 (SIB1) or other SIBs, and the terminal device can obtain the indication information.
  • the indication information may be a parameter of 0 or 1, for example.
  • 1 indicates that the cell is a green cell
  • 0 indicates that the cell is not a green cell.
  • the indication information may also be a Boolean value, for example.
  • “true” may be used to indicate that the cell is a green cell
  • “false” may be used to indicate that the cell is not a green cell.
  • the indication information may also be an enumeration value, indicating whether the cell is a green cell.
  • enumeration value indication information can be better compatible with traditional base stations. For example, the system message sent by a cell of a traditional base station does not carry this indication information, indicating that the cell is not a green cell, that is, the base station to which the cell belongs is not a green base station.
  • the system message block sent by the base station through the cell is received.
  • the system message block includes indication information.
  • the indication information is used to indicate whether the base station to which the cell belongs is a green base station. Based on the indication information, Select the residential area.
  • the broadcast message sent by the base station improves the accuracy of the terminal device in determining the green cell, increases the probability of the terminal device selecting the green cell, reduces the carbon emissions of the overall network, and reduces the energy consumption of the mobile communication network.
  • Embodiments of the present disclosure specifically disclose a solution for determining indication information by receiving a system message block sent by a base station through a cell.
  • This disclosure provides a processing method for a "cell selection" situation to perform cell selection based on the broadcast message sent by the base station, which can increase the probability of selecting a green cell, reduce the carbon emissions of the overall network, and reduce the number of mobile communication networks. of energy consumption.
  • Figure 3 is a schematic flowchart of a cell selection method provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Figure 3, the method may include the following steps:
  • Step 301 Receive the main message block sent by the base station through the cell, where the main message block includes indication information, and the indication information is used to indicate whether the base station to which the cell belongs is a green base station;
  • Step 302 Select a cell to camp on based on the indication information.
  • the indication information includes at least one of the following:
  • Parameter indication information of 0 or 1;
  • the indication information may be a parameter of 0 or 1, for example.
  • 1 indicates that the cell is a green cell
  • 0 indicates that the cell is not a green cell.
  • the indication information may also be a Boolean value, for example.
  • “true” may be used to indicate that the cell is a green cell
  • “false” may be used to indicate that the cell is not a green cell.
  • the indication information may also be an enumeration value, indicating whether the cell is a green cell.
  • enumeration value indication information can be better compatible with traditional base stations. For example, the system message sent by a cell of a traditional base station does not carry this indication information, indicating that the cell is not a green cell, that is, the base station to which the cell belongs is not a green base station.
  • the main message block sent by the base station through the cell is received, where the main message block includes indication information, and the indication information is used to indicate whether the base station to which the cell belongs is a green base station. Based on the indication information, Select the residential area.
  • the broadcast message sent by the base station improves the accuracy of the terminal device in determining the green cell, increases the probability of the terminal device selecting the green cell, reduces the carbon emissions of the overall network, and reduces the energy consumption of the mobile communication network.
  • Embodiments of the present disclosure specifically disclose a solution for determining indication information by receiving a main message block sent by a base station through a cell.
  • This disclosure provides a processing method for a "cell selection" situation to perform cell selection based on the broadcast message sent by the base station, which can increase the probability of selecting a green cell, reduce the carbon emissions of the overall network, and reduce the number of mobile communication networks. of energy consumption.
  • Figure 4 is a schematic flowchart of a cell selection method provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Figure 4, the method may include at least one of the following steps:
  • Step 401 Determine the offset set based on the predetermined agreement in the protocol
  • Step 402 Receive configuration information sent by the base station, where the configuration information includes an offset set.
  • step 501 and step 502 can be executed alternatively.
  • receiving the configuration information sent by the base station includes at least one of:
  • the offset set does not specifically refer to a fixed offset set.
  • the offset set may also change accordingly.
  • the offset set may include, for example, at least one of a first offset, a second offset, a third offset and a fourth offset.
  • the offset set may include one offset or multiple offsets.
  • the terminal device may determine a set of offsets at once, and the set of offsets may include, for example, a first offset, a second offset, and a third offset.
  • the fourth offset value the terminal device can also determine only one offset value at a time. For example, the terminal device can determine the first offset value for the first time, and then determine the second offset value for the second time.
  • the offset set is determined based on the predetermined protocol, and the configuration information sent by the base station is received, where the configuration information includes the offset set.
  • a scheme for obtaining the offset set is specifically disclosed, which can improve the accuracy of obtaining the offset set and increase the probability of selecting a green cell.
  • This disclosure provides a processing method for a "cell selection" situation to perform cell selection based on the broadcast message sent by the base station, which can increase the probability of selecting a green cell, reduce the carbon emissions of the overall network, and reduce the number of mobile communication networks. of energy consumption.
  • Figure 5 is a schematic flowchart of a cell selection method provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Figure 5, the method may include the following steps:
  • Step 501 Based on the indication information, determine that the current resident cell is a non-green cell;
  • Step 502 Based on the signal quality of the current resident cell, the co-frequency measurement threshold and the first offset, start co-frequency measurement and reselect the resident cell.
  • the set of offsets includes a first offset.
  • the first offset does not specifically refer to a fixed offset value.
  • the first offset amount can also change accordingly.
  • the first offset value includes at least one of OffsetGreen IntraSearchP and OffsetGreen IntraSearchQ .
  • OffsetGreen IntraSearchP is the offset value corresponding to the same-frequency measurement RSRP
  • OffsetGreen IntraSearchQ is the offset value corresponding to the same-frequency measurement RSRQ.
  • the probability of terminal equipment starting co-frequency measurement can be increased, the terminal equipment can be increased to leave the current resident cell, and the terminal equipment can be improved The probability of leaving the traditional cell and choosing a green cell with the same frequency.
  • the cell usually notifies the terminal device of the relevant parameters of the system information block 1SIB1. These parameters control the worst signal quality of terminal equipment residing in the cell, preventing terminal equipment with poor signal quality from accessing the network from the cell.
  • the Q rxlevmin and Q qualmin values set by the base station are combined with the transmit power to determine the actual coverage of the cell.
  • the terminal equipment can be connected to the cell where the green base station belongs with a higher probability to achieve the purpose of reducing overall network carbon emissions.
  • the current resident cell is determined to be a non-green cell; based on the signal quality of the current resident cell, the same-frequency measurement threshold and the first offset, the For same-frequency measurement, reselect the residential cell.
  • the broadcast message sent by the base station improves the accuracy of the terminal device in determining the green cell, increases the probability of the terminal device selecting the green cell, reduces the carbon emissions of the overall network, and reduces the energy consumption of the mobile communication network.
  • Embodiments of the present disclosure configure the first offset value so that the actual threshold for the terminal device to start co-frequency measurement is greater than the same-frequency measurement threshold, which can increase the probability of the terminal device starting co-frequency measurement and improve the terminal device's ability to leave its current residence. cells, increasing the probability that terminal equipment leaves traditional cells and chooses green cells of the same frequency.
  • This disclosure provides a processing method for a "cell selection" situation to perform cell selection based on the broadcast message sent by the base station, which can increase the probability of selecting a green cell, reduce the carbon emissions of the overall network, and reduce the number of mobile communication networks. of energy consumption.
  • Figure 6 is a schematic flowchart of a cell selection method provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Figure 7, the method may include the following steps:
  • Step 601 Determine the current camp based on the reference signal received power RSRP of the current camp cell, the hysteresis amount corresponding to the current camp cell, the temporary offset value Qoffset temp of the current camp cell and the second offset corresponding to the hysteresis amount.
  • Step 602 Determine the second value of at least one same-frequency neighboring cell based on the RSRP of at least one same-frequency neighboring cell, the offset value of the same-frequency neighboring cell, Qoffset temp , and the third offset corresponding to the second reselection parameter Rn .
  • Reselection parameter R n in which at least one co-frequency neighboring cell is a green cell;
  • Step 603 Based on the first reselection parameter and the second reselection parameter of at least one same-frequency neighboring cell, reselect the resident cell in at least one same-frequency neighboring cell.
  • the offset set further includes a second offset and a third offset.
  • the terminal device may obtain the system message sent by the base station.
  • This system message includes a list of intra-frequency neighbor cells.
  • the same-frequency neighbor cell list includes the PCI of at least one same-frequency neighbor cell and the offset value Qoffset of each same-frequency neighbor cell.
  • the terminal device can obtain the PCI of the same-frequency neighboring cell from the synchronization signal during synchronization measurement, and then query the offset value of the same-frequency neighboring cell based on the PCI.
  • the base station can configure different Qoffsets for different cells. For example, the base station can configure a larger positive value for the green cell to increase the probability that the terminal device selects the green cell or the green base station.
  • the second offset refers to the offset set for the hysteresis amount, and the offset does not specifically refer to a fixed offset.
  • the second offset can also change accordingly.
  • the device is based on the reference signal received power RSRP of the current camped cell, the hysteresis amount corresponding to the current camped cell, the temporary offset value Qoffset temp and the hysteresis amount of the current camped cell.
  • the corresponding second offset determines the first reselection parameter Rs of the current resident cell.
  • the calculation formula of Rs can be as shown in (Formula 5).
  • OffsetGreen hyst is the second offset corresponding to the hysteresis amount.
  • setting the second offset value can reduce R s , relative to reducing the ranking value of the current resident cell, so that the probability of the terminal device leaving the current non-green cell is higher. high.
  • the current resident cell can be understood as the current serving cell.
  • the cell where the terminal device currently resides may be cell B.
  • the terminal device finds the highest-ranked co-frequency cell, which may be, for example, cell A. If R s of cell A is greater than R n and satisfies the S criterion, the terminal device can be reselected to cell A.
  • the third offset refers to the offset for the second reselection parameter R n , and the offset does not specifically refer to a fixed offset.
  • the third offset can also change accordingly.
  • the offset value of the co-frequency neighbor cell, Qoffset temp and the third offset corresponding to the second reselection parameter R n Determine the second reselection parameter R n of at least one co-frequency neighbor cell.
  • the calculation formula of R n can be as shown in (Formula 6).
  • OffsetGreen rn is the third offset corresponding to the second reselection parameter R n .
  • a third offset is configured for the second reselection parameter R n , and the second reselection parameter can be increased, which is equivalent to increasing the relative value of the adjacent green cell relative to the non-
  • the Ranking value of the green cell improves the probability of the terminal device reselecting to the green cell.
  • the second offset determines the first reselection parameter R s of the current resident cell; based on the RSRP of at least one co-frequency neighbor cell, the offset value of the same frequency neighbor cell, Qoffset temp and the second reselection parameter R n
  • the third offset amount determines the second reselection parameter R n of at least one same-frequency neighboring cell, wherein at least one same-frequency neighboring cell is a green cell; based on the first reselection parameter and the third reselection parameter of at least one same-frequency neighboring cell
  • the second reselection parameter is used to reselect the resident cell in at least one co-frequency neighboring cell.
  • the broadcast message sent by the base station improves the accuracy of the terminal device in determining the green cell, increases the probability of the terminal device selecting the green cell, reduces the carbon emissions of the overall network, and reduces the energy consumption of the mobile communication network.
  • Embodiments of the present disclosure can improve the probability that the terminal equipment leaves the current residential cell and improves the probability that the terminal equipment leaves the traditional cell and selects a green cell of the same frequency.
  • This disclosure provides a processing method for a "cell selection" situation to perform cell selection based on the broadcast message sent by the base station, which can increase the probability of selecting a green cell, reduce the carbon emissions of the overall network, and reduce the number of mobile communication networks. of energy consumption.
  • Figure 7 is a schematic flowchart of a cell selection method provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Figure 7, the method may include the following steps:
  • Step 701 Determine the current camping location based on the reference signal received power RSRP of the current camping cell, the hysteresis amount corresponding to the current camping cell, the temporary offset value Qoffset temp of the current camping cell and the second offset corresponding to the hysteresis amount.
  • Step 702 Determine the second value of at least one same-frequency neighboring cell based on the RSRP of at least one same-frequency neighboring cell, the offset value of the same-frequency neighboring cell, Qoffset temp , and the third offset corresponding to the second reselection parameter Rn .
  • Reselection parameter R n in which at least one co-frequency neighboring cell is a green cell;
  • Step 703 Based on the second reselection parameter of at least one same-frequency neighboring cell, select the same-frequency neighboring cell with the highest second reselection parameter among at least one same-frequency neighboring cell;
  • Step 704 In response to the first reselection parameter being greater than the second reselection parameter of the same-frequency neighbor cell, reselect to the same-frequency neighbor cell with the highest second reselection parameter.
  • the second offset determines the first reselection parameter R s of the current resident cell, based on the RSRP of at least one co-frequency neighbor cell, the offset value of the same frequency neighbor cell, Qoffset temp and the second reselection parameter R n
  • the third offset is to determine the second reselection parameter R n of at least one same-frequency neighbor cell, where at least one same-frequency neighbor cell is a green cell; based on the second reselection parameter R n of at least one same-frequency neighbor cell, in Select the same-frequency neighbor cell with the highest second reselection parameter from at least one same-frequency neighbor cell; in response to the first reselection parameter being greater than the second reselection parameter
  • the broadcast message sent by the base station improves the accuracy of the terminal device in determining the green cell, increases the probability of the terminal device selecting the green cell, reduces the carbon emissions of the overall network, and reduces the energy consumption of the mobile communication network.
  • Embodiments of the present disclosure can improve the probability that the terminal equipment leaves the current residential cell and improves the probability that the terminal equipment leaves the traditional cell and selects a green cell of the same frequency.
  • This disclosure provides a processing method for a "cell selection" situation to perform cell selection based on the broadcast message sent by the base station, which can increase the probability of selecting a green cell, reduce the carbon emissions of the overall network, and reduce the number of mobile communication networks. of energy consumption.
  • Figure 8 is a schematic flowchart of a cell selection method provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Figure 8, the method may include the following steps:
  • Step 801 Receive a broadcast message sent by the base station, where the broadcast message carries indication information, and the indication information is used to indicate whether the base station is a green base station;
  • Step 802 Based on the indication information, determine that the current resident cell is a non-green cell;
  • Step 803 Based on the signal quality of the current resident cell, the non-co-frequency measurement threshold and the fourth offset, start non-co-frequency measurement and re-select the resident cell.
  • initiating non-co-frequency measurement includes:
  • Inter-frequency measurement is performed on at least one frequency point, where the priority of at least one frequency point is lower than a preset priority.
  • the terminal device performs inter-frequency measurement on the low-priority frequency point.
  • the fourth offset value may include at least one of OffsetGreen nonIntraSearchP and OffsetGreen nonIntraSearchQ .
  • OffsetGreen nonIntraSearchP is the offset value corresponding to non-intra-frequency measurement RSRP
  • OffsetGreen nonIntraSearchQ is the offset value corresponding to non-in-frequency measurement RSRQ.
  • the terminal equipment can start non-co-frequency measurement based on the signal quality of the current resident cell, the non-co-frequency measurement threshold and the fourth offset, for example, RSRP ⁇ S nonIntraSearchP +OffsetGreen nonIntraSearchP and/or RSRQ ⁇ S nonIntraSearchQ +OffsetGreen nonIntraSearchP , the terminal device can perform inter-frequency measurements on low-priority frequency points.
  • the fourth offset for example, RSRP ⁇ S nonIntraSearchP +OffsetGreen nonIntraSearchP and/or RSRQ ⁇ S nonIntraSearchQ +OffsetGreen nonIntraSearchP
  • the broadcast message sent by the base station is received, wherein the broadcast message carries indication information, and the indication information is used to indicate whether the base station is a green base station; based on the indication information, the current resident cell is determined It is a non-green cell; based on the signal quality of the current resident cell, the non-co-frequency measurement threshold and the fourth offset, non-co-frequency measurement is started and the resident cell is re-selected.
  • the broadcast message sent by the base station improves the accuracy of the terminal device in determining the green cell, increases the probability of the terminal device selecting the green cell, reduces the carbon emissions of the overall network, and reduces the energy consumption of the mobile communication network.
  • This disclosure provides a processing method for a "cell selection" situation to perform cell selection based on the broadcast message sent by the base station, which can increase the probability of selecting a green cell, reduce the carbon emissions of the overall network, and reduce the number of mobile communication networks. of energy consumption.
  • Figure 9 is a schematic flowchart of a cell selection method provided by an embodiment of the present disclosure. The method is executed by a base station. As shown in Figure 9, the method may include the following steps:
  • Step 901 Send a broadcast message to the terminal device, where the broadcast message carries indication information, and the indication information is used to indicate whether the base station is a green base station.
  • sending a broadcast message to a terminal device includes:
  • a system message block is sent to the terminal device through the cell, where the system message block includes indication information, and the indication information is used to indicate whether the base station to which the cell belongs is a green base station.
  • sending a broadcast message to a terminal device includes:
  • a main message block is sent to the terminal device through the cell, where the main message block includes indication information, and the indication information is used to indicate whether the base station to which the cell belongs is a green base station.
  • the indication information includes at least one of the following:
  • Parameter indication information of 0 or 1;
  • the method further includes at least one:
  • sending configuration information to the terminal device includes at least one of:
  • System messages are broadcast to terminal devices through the cell, where the system messages include configuration information.
  • a broadcast message is sent to the terminal device, where the broadcast message carries indication information, and the indication information is used to indicate whether the base station is a green base station.
  • the base station can send a broadcast message to the terminal device to improve the accuracy of the terminal device in determining a green cell, increase the probability of the terminal device selecting a green cell, reduce the carbon emissions of the overall network, and reduce the energy consumption of the mobile communication network. Consumption.
  • the present disclosure provides a processing method for a "cell selection" situation, which can send a broadcast message to a terminal device, so that the terminal device performs cell selection according to the instruction information in the broadcast message, which can increase the probability of selecting a green cell and reduce the risk of selecting a green cell. Reduce the carbon emissions of the overall network and reduce the energy consumption of mobile communication networks.
  • Figure 10 is a schematic flow chart of a cell selection method provided by an embodiment of the present disclosure. The method is executed by a base station. As shown in Figure 10, the method may include the following steps:
  • Step 1001 Send a system message block to the terminal device through the cell, where the system message block includes indication information, and the indication information is used to indicate whether the base station to which the cell belongs is a green base station.
  • the indication information includes at least one of the following:
  • Parameter indication information of 0 or 1;
  • a system message block is sent to the terminal device through the cell, where the system message block includes indication information, and the indication information is used to indicate whether the base station to which the cell belongs is a green base station.
  • the base station can send a broadcast message to the terminal device to improve the accuracy of the terminal device in determining a green cell, increase the probability of the terminal device selecting a green cell, reduce the carbon emissions of the overall network, and reduce the energy consumption of the mobile communication network. Consumption.
  • Embodiments of the present disclosure specifically disclose a solution for sending indication information through a system message block sent by a cell.
  • the present disclosure provides a processing method for a "cell selection" situation, which can send a broadcast message to a terminal device, so that the terminal device performs cell selection according to the instruction information in the broadcast message, which can increase the probability of selecting a green cell and reduce the risk of selecting a green cell. Reduce the carbon emissions of the overall network and reduce the energy consumption of mobile communication networks.
  • Figure 11 is a schematic flow chart of a cell selection method provided by an embodiment of the present disclosure. The method is executed by a base station. As shown in Figure 11, the method may include the following steps:
  • Step 1101 Send a main message block to the terminal device through the cell, where the main message block includes indication information, and the indication information is used to indicate whether the base station to which the cell belongs is a green base station.
  • the indication information includes at least one of the following:
  • Parameter indication information of 0 or 1;
  • a main message block is sent to the terminal device through the cell, where the main message block includes indication information, and the indication information is used to indicate whether the base station to which the cell belongs is a green base station.
  • the base station can send a broadcast message to the terminal device to improve the accuracy of the terminal device in determining a green cell, increase the probability of the terminal device selecting a green cell, reduce the carbon emissions of the overall network, and reduce the energy consumption of the mobile communication network. Consumption.
  • Embodiments of the present disclosure specifically disclose a solution for sending indication information through a main message block sent by a cell.
  • the present disclosure provides a processing method for a "cell selection" situation, which can send a broadcast message to a terminal device, so that the terminal device performs cell selection according to the instruction information in the broadcast message, which can increase the probability of selecting a green cell and reduce the risk of selecting a green cell. Reduce the carbon emissions of the overall network and reduce the energy consumption of mobile communication networks.
  • Figure 12 is a schematic flow chart of a cell selection method provided by an embodiment of the present disclosure. The method is executed by a base station. As shown in Figure 12, the method may include the following steps:
  • Step 1201 Determine the offset set based on the predetermined agreement in the protocol
  • Step 1202 Send configuration information to the terminal device, where the configuration information includes an offset set.
  • step 1201 and step 1202 can be executed alternatively.
  • the offset set is determined based on the predetermined protocol; or the configuration information is sent to the terminal device, where the configuration information includes the offset set.
  • a solution for determining the offset set is specifically disclosed, which can improve the accuracy of obtaining the offset set and increase the probability of the terminal device selecting a green cell.
  • the present disclosure provides a processing method for a "cell selection" situation, which can send a broadcast message to a terminal device, so that the terminal device performs cell selection according to the instruction information in the broadcast message, which can increase the probability of selecting a green cell and reduce the risk of selecting a green cell. Reduce the carbon emissions of the overall network and reduce the energy consumption of mobile communication networks.
  • Figure 13 is a schematic flowchart of a cell selection method provided by an embodiment of the present disclosure. The method is executed by a base station. As shown in Figure 13, the method may include the following steps:
  • Step 1301. Send configuration information to the terminal device through NAS layer signaling;
  • Step 1302 Broadcast the system message to the terminal device through the cell, where the system message includes configuration information.
  • step 1301 and step 1302 can be executed alternatively.
  • the configuration information is sent to the terminal device through NAS layer signaling; the system message is broadcast to the terminal device through the cell, where the system message includes the configuration information.
  • a solution for determining the offset set is specifically disclosed, which can improve the accuracy of obtaining the offset set and increase the probability of the terminal device selecting a green cell.
  • a scheme for sending configuration information is specifically disclosed. The present disclosure provides a processing method for a "cell selection" situation, which can send a broadcast message to a terminal device, so that the terminal device performs cell selection according to the instruction information in the broadcast message, which can increase the probability of selecting a green cell and reduce the risk of selecting a green cell. Reduce the carbon emissions of the overall network and reduce the energy consumption of mobile communication networks.
  • Figure 14 is a schematic structural diagram of a cell selection device provided by an embodiment of the present disclosure. As shown in Figure 14, the device 1400 can be provided on the terminal equipment side.
  • the device 1400 can include:
  • the receiving module 1401 is configured to receive a broadcast message sent by the base station, where the broadcast message carries indication information, and the indication information is used to indicate whether the base station is a green base station;
  • the selection module 1402 is used to select a resident cell based on the indication information.
  • the receiving module is used to receive the broadcast message sent by the base station, wherein the broadcast message carries indication information, and the indication information is used to indicate whether the base station is a green base station. ;
  • the selection module is used to select the resident cell based on the indication information.
  • the broadcast message sent by the base station improves the accuracy of the terminal device in determining the green cell, increases the probability of the terminal device selecting the green cell, reduces the carbon emissions of the overall network, and reduces the energy consumption of the mobile communication network.
  • the present disclosure provides a processing device for a "cell selection" situation to perform cell selection according to the broadcast message sent by the base station, which can increase the probability of selecting a green cell, reduce the carbon emissions of the overall network, and reduce the number of mobile communication networks. of energy consumption.
  • the receiving module 1401 is used to receive the broadcast message sent by the base station, specifically for:
  • the receiving module 1401 is used to receive the broadcast message sent by the base station, specifically for:
  • the main message block includes indication information
  • the indication information is used to indicate whether the base station to which the cell belongs is a green base station.
  • the indication information includes at least one of the following:
  • Parameter indication information of 0 or 1;
  • the receiving module 1401 is also used to:
  • the receiving module 1401 is configured to receive configuration information sent by the base station including at least one of:
  • the selection module 1402 is configured to select a cell to camp on based on the indication information, specifically for:
  • the co-frequency measurement is started and the resident cell is re-selected.
  • the offset set also includes a second offset and a third offset
  • the selection module 1402 is used to reselect the camped cell, specifically for :
  • the third offset of the current camped cell is determined.
  • One reselection parameter R s One reselection parameter R s ;
  • the resident cell is reselected in at least one same-frequency neighboring cell.
  • the selection module 1402 is configured to select the first reselection parameter of the current resident cell and the second reselection parameter of at least one co-frequency neighbor cell on at least one co-frequency neighbor cell.
  • the selection module 1402 is specifically used for:
  • reselection is performed to the same-frequency neighbor cell with the highest second reselection parameter.
  • the selection module 1402 is configured to select a resident cell based on the indication information, specifically for:
  • non-co-frequency measurement is started and the resident cell is re-selected.
  • the selection module 1402 is used to start non-co-frequency measurement, specifically for:
  • Inter-frequency measurement is performed on at least one frequency point, where the priority of at least one frequency point is lower than a preset priority.
  • Figure 15 is a schematic structural diagram of a cell selection device provided by an embodiment of the present disclosure. As shown in Figure 15, the device 1500 can be provided on the base station side.
  • the device 1500 can include:
  • the sending module 1501 is configured to send a broadcast message to the terminal device, where the broadcast message carries indication information, and the indication information is used to indicate whether the base station is a green base station.
  • the sending module 1501 is used to send broadcast messages to the terminal equipment, where the broadcast messages carry indication information, and the indication information is used to indicate whether the base station is green. base station.
  • the base station can send a broadcast message to the terminal device to improve the accuracy of the terminal device in determining a green cell, increase the probability of the terminal device selecting a green cell, reduce the carbon emissions of the overall network, and reduce the energy consumption of the mobile communication network. Consumption.
  • the present disclosure provides a processing device for a "cell selection" situation, which can send a broadcast message to a terminal device, so that the terminal device performs cell selection according to the instruction information in the broadcast message, which can increase the probability of selecting a green cell and reduce Reduce the carbon emissions of the overall network and reduce the energy consumption of mobile communication networks.
  • the sending module 1501 is used to send broadcast messages to terminal devices, specifically for:
  • a system message block is sent to the terminal device through the cell, where the system message block includes indication information, and the indication information is used to indicate whether the base station to which the cell belongs is a green base station.
  • the sending module 1501 is used to send broadcast messages to terminal devices, specifically for:
  • a main message block is sent to the terminal device through the cell, where the main message block includes indication information, and the indication information is used to indicate whether the base station to which the cell belongs is a green base station.
  • the indication information includes at least one of the following:
  • Parameter indication information of 0 or 1;
  • the sending module 1501 is also used for at least one of the following:
  • the sending module 1501 is used to send configuration information to the terminal device including at least one of:
  • System messages are broadcast to terminal devices through the cell, where the system messages include configuration information.
  • Figure 16 is a block diagram of a terminal device UE1600 provided by an embodiment of the present disclosure.
  • the UE1600 can be a mobile phone, a computer, a digital broadcast terminal device, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, etc.
  • UE 1600 may include at least one of the following components: a processing component 1602, a memory 1604, a power supply component 1606, a multimedia component 1608, an audio component 1610, an input/output (I/O) interface 1612, a sensor component 1614, and a communication component. 1616.
  • Processing component 1602 generally controls the overall operations of UE 1600, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 1602 may include at least one processor 1620 to execute instructions to complete all or part of the steps of the above method. Additionally, processing component 1602 may include at least one module to facilitate interaction between processing component 1602 and other components. For example, processing component 1602 may include a multimedia module to facilitate interaction between multimedia component 1608 and processing component 1602.
  • Memory 1604 is configured to store various types of data to support operations at UE 1600. Examples of this data include instructions for any application or method operating on the UE1600, contact data, phonebook data, messages, pictures, videos, etc.
  • Memory 1604 may be implemented by any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EEPROM), Programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EEPROM erasable programmable read-only memory
  • EPROM Programmable read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory flash memory, magnetic or optical disk.
  • Power supply component 1606 provides power to various components of UE 1600.
  • Power component 1606 may include a power management system, at least one power supply, and other components associated with generating, managing, and distributing power to UE 1600.
  • Multimedia component 1608 includes a screen that provides an output interface between the UE 1600 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes at least one touch sensor to sense touches, slides, and gestures on the touch panel. The touch sensor may not only sense the boundary of the touch or sliding operation, but also detect the wake-up time and pressure related to the touch or sliding operation.
  • multimedia component 1608 includes a front-facing camera and/or a rear-facing camera. When the UE1600 is in an operating mode, such as shooting mode or video mode, the front camera and/or rear camera can receive external multimedia data.
  • Each front-facing camera and rear-facing camera can be a fixed optical lens system or have a focal length and optical zoom capabilities.
  • Audio component 1610 is configured to output and/or input audio signals.
  • audio component 1610 includes a microphone (MIC) configured to receive external audio signals when UE 1600 is in operating modes, such as call mode, recording mode, and voice recognition mode. The received audio signals may be further stored in memory 1604 or sent via communication component 1616 .
  • audio component 1610 also includes a speaker for outputting audio signals.
  • the I/O interface 1612 provides an interface between the processing component 1602 and a peripheral interface module.
  • the peripheral interface module may be a keyboard, a click wheel, a button, etc. These buttons may include, but are not limited to: Home button, Volume buttons, Start button, and Lock button.
  • Sensor component 1614 includes at least one sensor for providing various aspects of status assessment for UE 1600 .
  • the sensor component 1614 can detect the on/off state of the device 1600, the relative positioning of components, such as the display and keypad of the UE 1600, the sensor component 1614 can also detect the position change of the UE 1600 or a component of the UE 1600, the user The presence or absence of contact with the UE1600, the orientation or acceleration/deceleration of the UE1600 and the temperature change of the UE1600.
  • Sensor component 1614 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • Sensor assembly 1614 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 1614 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 1616 is configured to facilitate wired or wireless communication between UE 1600 and other devices.
  • UE1600 can access wireless networks based on communication standards, such as WiFi, 2G or 3G, or a combination thereof.
  • communication component 1616 receives broadcast signals or broadcast-related information from an external broadcast management system via a broadcast channel.
  • the communications component 1616 also includes a near field communications (NFC) module to facilitate short-range communications.
  • NFC near field communications
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • UE 1600 may be configured by at least one application specific integrated circuit (ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), field programmable gate array ( FPGA), controller, microcontroller, microprocessor or other electronic component implementation for executing the above method.
  • ASIC application specific integrated circuit
  • DSP digital signal processor
  • DSPD digital signal processing device
  • PLD programmable logic device
  • FPGA field programmable gate array
  • controller microcontroller, microprocessor or other electronic component implementation for executing the above method.
  • FIG. 17 is a block diagram of a base station 1700 provided by an embodiment of the present disclosure.
  • the base station 1700 may be provided as a network side device.
  • base station 1700 includes a processing component 1722, which further includes at least one processor, and memory resources represented by memory 1732 for storing instructions, such as application programs, executable by processing component 1722.
  • Application programs stored in memory 1732 may include one or more modules, each corresponding to a set of instructions.
  • the processing component 1722 is configured to execute instructions to perform any of the foregoing methods applied to the base station, for example, the method shown in FIG. 10 .
  • Base station 1700 may also include a power supply component 1730 configured to perform power management of base station 1700, a wired or wireless network interface 1750 configured to connect base station 1700 to a network, and an input/output (I/O) interface 1758.
  • Base station 1700 may operate based on an operating system stored in memory 1732, such as Windows Server TM, Mac OS X TM, Unix TM, Linux TM, Free BSD TM or similar.
  • the methods provided by the embodiments of the present disclosure are introduced from the perspectives of network side equipment and UE respectively.
  • the network side device and the UE may include a hardware structure and a software module to implement the above functions in the form of a hardware structure, a software module, or a hardware structure plus a software module.
  • a certain function among the above functions can be executed by a hardware structure, a software module, or a hardware structure plus a software module.
  • the methods provided by the embodiments of the present disclosure are introduced from the perspectives of network side equipment and UE respectively.
  • the network side device and the UE may include a hardware structure and a software module to implement the above functions in the form of a hardware structure, a software module, or a hardware structure plus a software module.
  • a certain function among the above functions can be executed by a hardware structure, a software module, or a hardware structure plus a software module.
  • the communication device may include a transceiver module and a processing module.
  • the transceiver module may include a sending module and/or a receiving module.
  • the sending module is used to implement the sending function
  • the receiving module is used to implement the receiving function.
  • the transceiving module may implement the sending function and/or the receiving function.
  • the communication device may be a terminal device (such as the terminal device in the foregoing method embodiment), a device in the terminal device, or a device that can be used in conjunction with the terminal device.
  • the communication device may be a network device, a device in a network device, or a device that can be used in conjunction with the network device.
  • the communication device may be a network device, or may be a terminal device (such as the terminal device in the foregoing method embodiment), or may be a chip, chip system, or processor that supports the network device to implement the above method, or may be a terminal device that supports A chip, chip system, or processor that implements the above method.
  • the device can be used to implement the method described in the above method embodiment. For details, please refer to the description in the above method embodiment.
  • a communications device may include one or more processors.
  • the processor may be a general-purpose processor or a special-purpose processor, etc.
  • it can be a baseband processor or a central processing unit.
  • the baseband processor can be used to process communication protocols and communication data
  • the central processor can be used to control and execute communication devices (such as network side equipment, baseband chips, terminal equipment, terminal equipment chips, DU or CU, etc.)
  • a computer program processes data for a computer program.
  • the communication device may also include one or more memories, on which a computer program may be stored, and the processor executes the computer program, so that the communication device performs the method described in the above method embodiment.
  • data may also be stored in the memory.
  • the communication device and the memory can be provided separately or integrated together.
  • the communication device may also include a transceiver and an antenna.
  • the transceiver can be called a transceiver unit, a transceiver, or a transceiver circuit, etc., and is used to implement transceiver functions.
  • the transceiver can include a receiver and a transmitter.
  • the receiver can be called a receiver or a receiving circuit, etc., and is used to implement the receiving function;
  • the transmitter can be called a transmitter or a transmitting circuit, etc., and is used to implement the transmitting function.
  • one or more interface circuits may also be included in the communication device.
  • Interface circuitry is used to receive code instructions and transmit them to the processor.
  • the processor executes the code instructions to cause the communication device to perform the method described in the above method embodiment.
  • the communication device is a terminal device (such as the terminal device in the foregoing method embodiment): the processor is configured to execute the method shown in any one of Figures 1-8.
  • the communication device is a base station: the processor is used to execute the method shown in any one of Figures 9-13.
  • a transceiver for implementing receiving and transmitting functions may be included in the processor.
  • the transceiver may be a transceiver circuit, an interface, or an interface circuit.
  • the transceiver circuits, interfaces or interface circuits used to implement the receiving and transmitting functions can be separate or integrated together.
  • the above-mentioned transceiver circuit, interface or interface circuit can be used for reading and writing codes/data, or the above-mentioned transceiver circuit, interface or interface circuit can be used for signal transmission or transfer.
  • the processor may store a computer program, and the computer program runs on the processor, which can cause the communication device to perform the method described in the above method embodiment.
  • the computer program may be embedded in the processor, in which case the processor may be implemented in hardware.
  • the communication device may include a circuit, and the circuit may implement the functions of sending or receiving or communicating in the foregoing method embodiments.
  • the processors and transceivers described in this disclosure may be implemented on integrated circuits (ICs), analog ICs, radio frequency integrated circuits (RFICs), mixed signal ICs, application specific integrated circuits (ASICs), printed circuit boards ( printed circuit board (PCB), electronic equipment, etc.
  • the processor and transceiver can also be manufactured using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), n-type metal oxide-semiconductor (NMOS), P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS complementary metal oxide semiconductor
  • NMOS n-type metal oxide-semiconductor
  • PMOS P-type Metal oxide semiconductor
  • BJT bipolar junction transistor
  • BiCMOS bipolar CMOS
  • SiGe silicon germanium
  • GaAs gallium arsenide
  • the communication device described in the above embodiments may be a network device or a terminal device (such as the terminal device in the foregoing method embodiment), but the scope of the communication device described in the present disclosure is not limited thereto, and the structure of the communication device may not be limited to limits.
  • the communication device may be a stand-alone device or may be part of a larger device.
  • the communication device may be:
  • the IC collection may also include storage components for storing data and computer programs;
  • the communication device may be a chip or a system on a chip
  • the chip includes a processor and an interface.
  • the number of processors may be one or more, and the number of interfaces may be multiple.
  • the chip also includes a memory for storing necessary computer programs and data.
  • the present disclosure also provides a readable storage medium on which instructions are stored, and when the instructions are executed by a computer, the functions of any of the above method embodiments are implemented.
  • the present disclosure also provides a computer program product, which, when executed by a computer, implements the functions of any of the above method embodiments.
  • the above embodiments it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer programs.
  • the computer program When the computer program is loaded and executed on a computer, the processes or functions described in accordance with the embodiments of the present disclosure are generated in whole or in part.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
  • the computer program may be stored in or transferred from one computer-readable storage medium to another, for example, the computer program may be transferred from a website, computer, server, or data center Transmission to another website, computer, server or data center through wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) means.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains one or more available media integrated.
  • the usable media may be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., high-density digital video discs (DVD)), or semiconductor media (e.g., solid state disks, SSD)) etc.
  • magnetic media e.g., floppy disks, hard disks, magnetic tapes
  • optical media e.g., high-density digital video discs (DVD)
  • DVD digital video discs
  • semiconductor media e.g., solid state disks, SSD
  • At least one in the present disclosure can also be described as one or more, and the plurality can be two, three, four or more, and the present disclosure is not limited.
  • the technical feature is distinguished by “first”, “second”, “third”, “A”, “B”, “C” and “D” etc.
  • the technical features described in “first”, “second”, “third”, “A”, “B”, “C” and “D” are in no particular order or order.

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

Abstract

La présente divulgation concerne le domaine technique des communications, et fournit un procédé et un appareil de sélection de cellules, ainsi qu'un dispositif et un support d'enregistrement associés. Le procédé comprend : la réception d'un message de radiodiffusion envoyé par une station de base, le message de radiodiffusion transportant des informations d'indication, et les informations d'indication étant utilisées pour indiquer si la station de base est une station de base verte ; et la sélection d'une cellule résidente sur la base des informations d'indication. La présente divulgation fournit un procédé de traitement pour la situation de « sélection de cellules », de telle sorte qu'une sélection de cellules est effectuée selon le message de radiodiffusion envoyé par la station de base, la probabilité de sélection d'une cellule verte peut être augmentée, l'émission de carbone de l'ensemble du réseau est réduite, et la consommation d'énergie d'un réseau de communication mobile est réduite.
PCT/CN2022/117109 2022-09-05 2022-09-05 Procédé et appareil de séléction de cellules WO2024050672A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN101778459A (zh) * 2010-01-08 2010-07-14 华为技术有限公司 一种基站发送信号方法和节能基站
CN102281550A (zh) * 2010-06-13 2011-12-14 株式会社Ntt都科摩 无线通信系统的配置方法、基站及无线通信系统
US20150282030A1 (en) * 2014-04-01 2015-10-01 Samsung Electronics Co., Ltd. Method and apparatus for reducing power consumption in volte enabled devices
CN108882308A (zh) * 2018-05-21 2018-11-23 西安电子科技大学 基于绿色能源感知的效用函数异构网络接入算法
CN108965034A (zh) * 2018-08-29 2018-12-07 华北电力大学（保定） 小小区基站超密集部署下的用户关联到网络的方法

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Publication number Priority date Publication date Assignee Title
CN101778459A (zh) * 2010-01-08 2010-07-14 华为技术有限公司 一种基站发送信号方法和节能基站
CN102281550A (zh) * 2010-06-13 2011-12-14 株式会社Ntt都科摩 无线通信系统的配置方法、基站及无线通信系统
US20150282030A1 (en) * 2014-04-01 2015-10-01 Samsung Electronics Co., Ltd. Method and apparatus for reducing power consumption in volte enabled devices
CN108882308A (zh) * 2018-05-21 2018-11-23 西安电子科技大学 基于绿色能源感知的效用函数异构网络接入算法
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