WO2022012386A1 - 一种终端接入方法、终端及存储介质 - Google Patents

一种终端接入方法、终端及存储介质 Download PDF

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Publication number
WO2022012386A1
WO2022012386A1 PCT/CN2021/104918 CN2021104918W WO2022012386A1 WO 2022012386 A1 WO2022012386 A1 WO 2022012386A1 CN 2021104918 W CN2021104918 W CN 2021104918W WO 2022012386 A1 WO2022012386 A1 WO 2022012386A1
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WIPO (PCT)
Prior art keywords
terminal
threshold value
transmit power
threshold
value
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PCT/CN2021/104918
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English (en)
French (fr)
Inventor
张晓然
胡南
李男
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China Mobile Communications Group Co Ltd
Research Institute of China Mobile Communication Co Ltd
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China Mobile Communications Group Co Ltd
Research Institute of China Mobile Communication Co Ltd
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Publication of WO2022012386A1 publication Critical patent/WO2022012386A1/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access

Definitions

  • the present disclosure relates to the field of wireless communication technologies, and in particular, to a terminal access method, a terminal, and a storage medium.
  • a terminal When a terminal performs cell selection and reselection in an idle state, it usually uses relevant criteria to determine whether a cell satisfies the conditions. For lightweight terminals, because lightweight terminals are more sensitive to cost and volume, some indicators, such as the number of antennas, bandwidth, and transmit power, may be reduced. Then the lightweight terminal may be unable to camp or access during the cell camping or cell access process.
  • Embodiments of the present disclosure provide a terminal access method, a terminal, and a storage medium.
  • An embodiment of the present disclosure provides a terminal access method.
  • the method includes: the terminal determines a first parameter, a compensation parameter, a second parameter, and a threshold value, where the first parameter represents a reference signal received power (RSRP, Reference Signal Received Power). Receiving Power); the compensation parameter is the maximum value between the first power value and 0; the first power value represents the difference between the maximum transmit power allowed by the cell and the equivalent transmit power of the terminal; the Two parameters characterize the reference signal receiving quality (RSRQ, Reference Signal Receiving Quality); the threshold value includes a first threshold value and a second threshold value;
  • the terminal judges whether the first condition is met based on the first parameter, the compensation parameter and the first threshold value, and judges whether the second condition is met according to the second parameter and the second threshold value ; Determine whether the cell satisfies the cell access or camping conditions according to the judgment result.
  • the RSRP includes an RSRP measured by the terminal or an equivalent RSRP.
  • the terminal judging whether the first condition is satisfied based on the first parameter, the compensation parameter and the first threshold value includes: the terminal judging the first condition Whether the difference between the parameter, the compensation parameter, the first threshold value, and the first offset parameter is greater than zero; determining whether the second condition is satisfied according to the second parameter and the second threshold value, The method includes: determining, by the terminal, whether the difference between the second parameter, the second threshold value and the second offset parameter is greater than zero.
  • the equivalent transmit power includes at least one of the following:
  • the maximum transmit power that can be achieved by a single antenna port of the terminal or the maximum transmit power corresponding to the transmit power level of a single antenna port;
  • the maximum transmit power that can be reached by a radio frequency channel or a power amplifier of the terminal or the maximum transmit power corresponding to the transmit power level of a radio frequency channel or a power amplifier;
  • the maximum transmit power that can be achieved in the process of cell access or cell camping initiated by the terminal or the maximum transmit power corresponding to the transmit power level in the process of cell access or cell camping initiated by the terminal;
  • the maximum transmit power corresponding to the transmit power level of the terminal
  • the sum of the maximum transmit power attainable by the terminal in the idle state and/or the deactivated state and the transmit gain or compensation value, or the maximum transmit power and transmit gain or compensation corresponding to the transmit power level when the terminal is in the idle state and/or in the deactivated state the sum of the values;
  • obtaining the equivalent RSRP by the terminal includes: adding, by the terminal, the measured RSRP and the transmit gain or compensation value to obtain the equivalent RSRP.
  • the transmit gain or compensation value includes at least one of the following:
  • the method before the terminal determines the threshold value, further includes: the terminal obtains at least two first threshold parameters sent by the network device; the at least two first threshold parameters use for cell selection; wherein, the at least two first threshold parameters correspond to different types of terminals; the at least two first threshold parameters include at least two thresholds or one threshold corresponding to each type of terminal Offset values corresponding to each type of terminal.
  • determining the first threshold value by the terminal includes: selecting, by the terminal, a threshold value related to the terminal from at least two threshold values included in the at least two first threshold parameters. the first threshold value corresponding to the type; or,
  • the terminal selects an offset value corresponding to the type of the terminal according to a threshold value included in the at least two first threshold parameters and an offset value corresponding to each type of terminal, and according to the one threshold value and the selected offset value to obtain the first threshold value.
  • the method further includes: obtaining, by the terminal, at least two second threshold parameters sent by the network device; and the at least two second threshold parameters are used to select a supplementary uplink carrier to initiate random access; or, the terminal obtains at least two third threshold parameters sent by the network device; the at least two third threshold parameters are used to initiate two-step random access on one or more uplink carriers; wherein, the The at least two second threshold parameters or the at least two third threshold parameters correspond to different types of terminals; the at least two second threshold parameters or the at least two third threshold parameters include at least terminals corresponding to each type At least two threshold values of , or one threshold value and the offset value corresponding to each type of terminal.
  • the method further includes: determining, by the terminal, a second threshold value, and determining, according to the measured RSRP and the second threshold value, whether to initiate a signal on the supplementary uplink carrier random access.
  • the method further includes: the terminal determining a third threshold value, and determining whether the third threshold value is within the third threshold value according to the measured RSRP and the third threshold value
  • the uplink carrier corresponding to the value initiates two-step random access.
  • the terminal determines whether to initiate random access on the supplementary uplink carrier according to the measured RSRP and the second threshold value, including: when the measured RSRP is greater than the When the second threshold value is set, it is determined to initiate random access on the supplementary uplink carrier; when the measured RSRP is not greater than the second threshold value, it is determined to initiate random access on the common uplink carrier.
  • the terminal determines, according to the measured RSRP and the third threshold value, whether to initiate two-step random access on the uplink carrier corresponding to the third threshold value, including : when the measured RSRP is greater than the third threshold, determine to initiate two-step random access on the uplink carrier corresponding to the third threshold; when the measured RSRP is not greater than the third threshold is determined to initiate four-step random access on the uplink carrier corresponding to the third threshold value.
  • the determining, by the terminal, the second threshold value includes: the terminal selecting, by the terminal from at least two threshold values included in the at least two second threshold parameters, and the terminal The second threshold value corresponding to the type of ; or,
  • the terminal selects an offset value corresponding to the type of the terminal according to a threshold value included in the at least two second threshold parameters and an offset value corresponding to each type of terminal, and according to the one threshold value and the selected offset value to obtain the second threshold value.
  • the determining, by the terminal, the third threshold value includes: the terminal selecting the terminal from at least two threshold values included in the at least two third threshold parameters The third threshold value corresponding to the type of ; or,
  • the terminal selects an offset value corresponding to the type of the terminal according to a threshold value included in the at least two third threshold parameters and an offset value corresponding to each type of terminal, and selects an offset value corresponding to the type of the terminal according to the one threshold value. and the selected offset value to obtain the third threshold value.
  • An embodiment of the present disclosure further provides a terminal, where the terminal includes: a first determination unit, a determination unit, and a second determination unit; wherein,
  • the first determining unit is configured to determine a first parameter, a compensation parameter, a second parameter and a threshold value, where the first parameter represents RSRP; the compensation parameter is the maximum value among the first power value and 0; The first power value represents the difference between the maximum transmit power allowed by the cell and the equivalent transmit power of the terminal; the second parameter represents the RSRQ; the threshold value includes a first threshold value and a second threshold value;
  • the judging unit is configured to judge whether a first condition is satisfied based on the first parameter, the compensation parameter and the first threshold value, and to judge whether a first condition is satisfied according to the second parameter and the second threshold value meet the second condition;
  • the second determination unit is configured to determine whether the cell satisfies the cell access or camping condition according to the determination result of the determination unit.
  • the RSRP includes an RSRP measured by the terminal or an equivalent RSRP.
  • the judging unit is configured to judge whether the difference between the first parameter, the compensation parameter, the first threshold value, and the first offset parameter is greater than zero; It is also configured to judge whether the difference between the second parameter, the second threshold value and the second offset parameter is greater than zero.
  • the equivalent transmit power includes at least one of the following:
  • the maximum transmit power that can be achieved by a single antenna port of the terminal or the maximum transmit power corresponding to the transmit power level of a single antenna port;
  • the maximum transmit power that can be reached by a radio frequency channel or a power amplifier of the terminal or the maximum transmit power corresponding to the transmit power level of a radio frequency channel or a power amplifier;
  • the maximum transmit power that can be achieved in the process of cell access or cell camping initiated by the terminal or the maximum transmit power corresponding to the transmit power level in the process of cell access or cell camping initiated by the terminal;
  • the maximum transmit power corresponding to the transmit power level of the terminal
  • the sum of the maximum transmit power attainable by the terminal in the idle state and/or the deactivated state and the transmit gain or compensation value, or the maximum transmit power and transmit gain or compensation corresponding to the transmit power level when the terminal is in the idle state and/or in the deactivated state the sum of the values;
  • the first determining unit is configured to add and process the measured RSRP and the transmit gain or compensation value to obtain an equivalent RSRP.
  • the transmit gain or compensation value includes at least one of the following: repeated transmission gain or compensation value;
  • the terminal further includes a first obtaining unit, configured to obtain at least two first threshold parameters sent by the network device before the first determining unit determines the threshold value; the At least two first threshold parameters are used for cell selection; wherein, the at least two first threshold parameters correspond to different types of terminals; the at least two first threshold parameters include at least two thresholds corresponding to each type of terminal A limit value, or a threshold value and an offset value corresponding to each type of terminal.
  • a first obtaining unit configured to obtain at least two first threshold parameters sent by the network device before the first determining unit determines the threshold value
  • the At least two first threshold parameters are used for cell selection; wherein, the at least two first threshold parameters correspond to different types of terminals; the at least two first threshold parameters include at least two thresholds corresponding to each type of terminal A limit value, or a threshold value and an offset value corresponding to each type of terminal.
  • the first determining unit is configured to select a first threshold value corresponding to the type of the terminal from at least two threshold values included in the at least two first threshold parameters. a threshold value; or, according to a threshold value included in the at least two first threshold parameters and the offset value corresponding to each type of terminal, select the offset value corresponding to the type of the terminal, and select the offset value corresponding to the type of the terminal according to the The first threshold value is obtained from the one threshold value and the selected offset value.
  • the terminal further includes a second obtaining unit, configured to obtain at least two second threshold parameters sent by the network device; the at least two second threshold parameters are used for selecting The uplink carrier initiates random access; or, at least two third threshold parameters sent by the network device are obtained; the at least two third threshold parameters are used to initiate two-step random access on one or more uplink carriers;
  • the at least two second threshold parameters or the at least two third threshold parameters correspond to different types of terminals; the at least two second threshold parameters or the at least two third threshold parameters include at least terminals corresponding to each type At least two threshold values of , or one threshold value and the offset value corresponding to each type of terminal.
  • the first determining unit is further configured to determine a second threshold value
  • the second determining unit is further configured to determine whether to initiate random access on the supplementary uplink carrier according to the measured RSRP and the second threshold.
  • the first determining unit is further configured to determine a third threshold value
  • the second determining unit is further configured to determine whether to initiate two-step random access on the uplink carrier corresponding to the third threshold value according to the RSRP obtained by measurement and the third threshold value.
  • the second determining unit is configured to determine to initiate random access on the supplementary uplink carrier when the measured RSRP is greater than the second threshold; When the RSRP is not greater than the second threshold value, it is determined to initiate random access on the common uplink carrier.
  • the second determining unit is configured to, when the measured RSRP is greater than the third threshold value, determine that the uplink carrier corresponding to the third threshold value initiates two step random access; when the measured RSRP is not greater than the third threshold value, it is determined to initiate four step random access on the uplink carrier corresponding to the third threshold value.
  • the first determining unit is configured to select a second threshold value corresponding to the type of the terminal from at least two threshold values included in the at least two second threshold parameters a threshold value; or, according to a threshold value included in the at least two second threshold parameters and an offset value corresponding to each type of terminal, select an offset value corresponding to the type of the terminal, according to the one
  • the second threshold value is obtained from the threshold value and the selected offset value.
  • the first determining unit is configured to select a third threshold value corresponding to the type of the terminal from at least two threshold values included in the at least two third threshold parameters a threshold value; or, according to a threshold value included in the at least two third threshold parameters and an offset value corresponding to each type of terminal, select an offset value corresponding to the type of the terminal, according to the one
  • the third threshold value is obtained from the threshold value and the selected offset value.
  • the embodiments of the present disclosure also provide a computer-readable storage medium, on which a computer program is stored, and when the program is executed by a processor, implements the steps of the methods described in the embodiments of the present disclosure.
  • Embodiments of the present disclosure further provide a terminal, including a memory, a processor, and a computer program stored in the memory and running on the processor, where the processor implements the methods described in the embodiments of the present disclosure when the processor executes the program. step.
  • the terminal access method, the terminal, and the storage medium provided by the embodiments of the present disclosure include: the terminal determines a first parameter, a compensation parameter, a second parameter, and a threshold value, where the first parameter represents RSRP; the compensation parameter is the maximum value among the first power value and 0; the first power value represents the difference between the maximum transmit power allowed by the cell and the equivalent transmit power of the terminal; the second parameter represents the RSRQ; the gate
  • the limit value includes a first threshold value and a second threshold value; the terminal judges whether the first condition is satisfied based on the first parameter, the compensation parameter and the first threshold value, and determines whether the first condition is satisfied according to the second threshold value.
  • the parameter and the second threshold value determine whether the second condition is met; and whether the cell meets the cell access or camping condition is determined according to the judgment result.
  • FIG. 1 is a schematic flowchart 1 of a terminal access method according to an embodiment of the present disclosure
  • FIG. 2 is a second schematic flowchart of a terminal access method according to an embodiment of the present disclosure
  • FIG. 3 is a third schematic flowchart of a terminal access method according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic diagram of a composition structure of a terminal according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic structural diagram of a hardware composition of a terminal according to an embodiment of the present disclosure.
  • the terminal access method in this embodiment can be applied to various communication systems, such as a Global System of Mobile communication (GSM, Global System of Mobile communication) system, a Long Term Evolution (LTE, Long Term Evolution) system, or a 5G system, and the like.
  • a communication system may include network equipment and terminals (also called terminal equipment, user equipment, etc.).
  • the network equipment may provide communication coverage for a certain area, and may communicate with terminals in the area.
  • the network device may be a base station or other network device in a communication system.
  • a 5G system or a 5G network may also be referred to as a New Radio (NR, New Radio) system or an NR network.
  • the terminal may be a phone (eg, a mobile phone), a wearable device (eg, a smart watch), a low-cost handheld terminal, and the like.
  • the terminal is a lightweight terminal such as a wearable device (such as a smart watch) and a low-cost handheld terminal
  • some indicators of these types of terminals may be reduced, and there may be failures during cell camping or cell access. resident or inaccessible.
  • Q rxlevmeas may represent RSRP; Q rxlevmin represents the RSRP threshold; P PowerClass represents the maximum transmit power corresponding to the transmit level of the power amplifier.
  • the terminal can achieve the same coverage capability as the ordinary terminal by using some enhancement techniques such as repeated transmission, but due to limited power and current standards, it cannot camp in this cell, resulting in the lightweight terminal in the network. Cover the loopholes.
  • FIG. 1 is a schematic flowchart 1 of a terminal access method according to an embodiment of the present disclosure; as shown in FIG. 1 , the method includes:
  • Step 101 The terminal determines a first parameter, a compensation parameter, a second parameter, and a threshold value, where the first parameter represents RSRP; the compensation parameter is the maximum value among the first power value and 0; the first power The value represents the difference between the maximum transmit power allowed by the cell and the equivalent transmit power of the terminal; the second parameter represents the RSRQ; the threshold value includes a first threshold value and a second threshold value;
  • Step 102 The terminal determines whether the first condition is satisfied based on the first parameter, the compensation parameter and the first threshold value, and determines whether the first condition is satisfied according to the second parameter and the second threshold value
  • the second condition determining whether the cell satisfies the cell access condition or the camping condition according to the judgment result.
  • the terminal judging whether the first condition is satisfied based on the first parameter, the compensation parameter and the first threshold value includes: the terminal judging the first condition Whether the difference between the parameter, the compensation parameter, the first threshold value, and the first offset parameter is greater than zero; determining whether the second condition is satisfied according to the second parameter and the second threshold value, The method includes: determining, by the terminal, whether the difference between the second parameter, the second threshold value and the second offset parameter is greater than zero.
  • the terminal can determine whether it can camp on the cell or whether it can access the cell based on the following criteria:
  • the terminal when the terminal detects that the cell satisfies the conditions of the above formula (1) and formula (2), it can determine that the cell camping or access conditions are met. Since the condition expressed by the above formula (2) is the same as the conventional condition, this embodiment mainly improves the condition in the above formula (1).
  • the conditions of the above formula (1) and formula (2) may also be referred to as cell selection criteria.
  • the terminal may obtain the above-mentioned first threshold value and second threshold value sent by the network device.
  • the terminal may receive a system message sent by a network device, where the system message may include the foregoing first threshold value and second threshold value.
  • the RSRP includes an RSRP measured by the terminal or an equivalent RSRP.
  • obtaining the equivalent RSRP by the terminal includes: adding, by the terminal, the measured RSRP and the transmit gain or compensation value to obtain the equivalent RSRP.
  • the equivalent transmit power includes at least one of the following:
  • the maximum transmit power that can be achieved by a single antenna port of the terminal or the maximum transmit power corresponding to the transmit power level of a single antenna port;
  • the maximum transmit power that can be reached by a radio frequency channel or a power amplifier of the terminal or the maximum transmit power corresponding to the transmit power level of a radio frequency channel or a power amplifier;
  • the maximum transmit power that can be achieved in the process of cell access or cell camping initiated by the terminal or the maximum transmit power corresponding to the transmit power level in the process of cell access or cell camping initiated by the terminal;
  • the maximum transmit power corresponding to the transmit power level of the terminal
  • the sum of the maximum transmit power attainable by the terminal in the idle state and/or the deactivated state and the transmit gain or compensation value, or the maximum transmit power and transmit gain or compensation value corresponding to the transmit power level when the terminal is in the idle state and/or in the deactivated state the sum of the values;
  • the transmit gain or compensation value includes at least one of the following: repeated transmission gain or compensation value;
  • the above-mentioned transmit gain or compensation value may be pre-configured by the terminal, or configured by a network device.
  • the method before the terminal determines the threshold value, further includes: the terminal obtains at least two first threshold parameters sent by the network device; the at least two first threshold parameters use for cell selection; wherein, at least two first threshold parameters correspond to different types of terminals; the at least two first threshold parameters include at least two thresholds corresponding to each type of terminals, or one threshold and each The offset value corresponding to the type of terminal.
  • the terminal determining the first threshold value includes: selecting, by the terminal, a threshold value corresponding to the type of the terminal from at least two threshold values included in the at least two first threshold parameters. a first threshold value; or, the terminal selects an offset corresponding to the type of the terminal according to a threshold value included in the at least two first threshold parameters and an offset value corresponding to each type of terminal value, the first threshold value is obtained according to the one threshold value and the selected offset value.
  • the network device may send at least two first threshold values for cell selection, wherein the at least two first threshold values correspond to different types of terminals, and the terminal may select from A first threshold value corresponding to its own type is selected from the at least two first threshold values; in another example, the network device may send a threshold value and an offset value corresponding to each type of terminal for cell selection , it can be understood that for the number N of terminal types, there are offset values corresponding to N-1, and the above-mentioned one threshold value is the first threshold value corresponding to one type of terminal, then the first threshold value corresponding to other types of terminals
  • the threshold value can be calculated by the above-mentioned threshold value and offset value; then the terminal can select the offset value corresponding to its own type from at least two offset values, and determine the corresponding first value based on the threshold value and the offset value.
  • a threshold value Further calculate based on the selected first threshold value with reference to the aforementioned formula (1), and determine whether the calculation result is greater than zero. If the calculation result is greater than zero, it can be determined that the cell can be stationed or accessed. If the settlement result is less than or equal to zero, Then it can be determined that the cell cannot be camped on or accessed.
  • FIG. 2 is a second schematic flowchart of the terminal access method according to the embodiment of the present disclosure; as shown in FIG. 2 , the method may further include:
  • Step 103 the terminal obtains at least two second threshold parameters sent by the network device; the at least two second threshold parameters are used to select the supplementary uplink carrier to initiate random access; wherein, the at least two second threshold parameters The parameters correspond to different types of terminals; the at least two second threshold parameters include at least two threshold values corresponding to each type of terminal, or one threshold value and an offset value corresponding to each type of terminal;
  • Step 104 The terminal determines a second threshold value, and determines whether to initiate random access on the supplementary uplink carrier according to the measured RSRP and the second threshold value.
  • the terminal on the basis that the terminal resides in the cell or accesses the cell, it is further determined whether to initiate random access on the supplementary uplink carrier.
  • the terminal may receive a system message sent by the network device, where the system message may include the above-mentioned at least two second threshold parameters, and the second threshold parameters are used to select whether to initiate random access on the supplementary uplink carrier.
  • the determining, by the terminal, the second threshold value includes: selecting, by the terminal, corresponding to the type of the terminal from at least two threshold values included in the at least two second threshold parameters. or, the terminal selects the offset corresponding to the type of the terminal according to a threshold value included in the at least two second threshold parameters and the offset value corresponding to each type of terminal value, the second threshold value is obtained according to the one threshold value and the selected offset value.
  • the network device may send at least two second thresholds for selecting the supplementary uplink carrier to initiate random access, wherein the at least two second thresholds correspond to different types of terminals, and the terminals may be based on their own type selects a second threshold value corresponding to its own type from at least two second threshold values; in another example, the network device may send a threshold value and For the offset values corresponding to each type of terminal, it can be understood that for the number N of terminal types, there are offset values corresponding to N-1, and the above-mentioned one threshold value is the second threshold value corresponding to one type of terminal, Then the second threshold value corresponding to other types of terminals can be calculated by the above-mentioned threshold value and offset value; then the terminal can select the offset value corresponding to its own type from at least two offset values, based on the threshold The value and the offset value determine the corresponding second threshold value. Further judgment is made based on the selected second threshold value to determine whether to initiate random access on the supplementary uplink carrier.
  • the terminal determines whether to initiate random access on the supplementary uplink carrier according to the measured RSRP and the second threshold, including: when the measured RSRP is greater than the second When the threshold value is set, it is determined to initiate random access on the supplementary uplink carrier; when the measured RSRP is not greater than the second threshold value, it is determined to initiate random access on the common uplink carrier.
  • FIG. 3 is a third schematic flowchart of the terminal access method according to the embodiment of the present disclosure; as shown in FIG. 3 , the method may further include:
  • Step 105 The terminal obtains at least two third threshold parameters sent by the network device, and the at least two third threshold parameters are used to initiate two-step random access on one or more uplink carriers; wherein the at least two The three third threshold parameters correspond to different types of terminals; the at least two third threshold parameters include at least two threshold values corresponding to each type of terminal, or one threshold value and an offset value corresponding to each type of terminal ;
  • Step 106 The terminal determines a third threshold value, and determines whether to initiate two-step random access on the uplink carrier corresponding to the third threshold value according to the measured RSRP and the third threshold value.
  • the terminal on the basis that the terminal resides in the cell or accesses the cell, it is further determined whether to initiate two-step random access on the uplink carrier.
  • the terminal may receive a system message sent by the network device, where the system message may include the above at least two third threshold parameters, and the third threshold parameters are used to select whether to initiate two-step random access on the uplink carrier.
  • determining, by the terminal, a third threshold value includes: selecting, by the terminal, corresponding to the type of the terminal from at least two threshold values included in the at least two third threshold parameters. or, the terminal selects the offset corresponding to the type of the terminal according to a threshold value included in the at least two third threshold parameters and the offset value corresponding to each type of terminal value, the third threshold value is obtained according to the one threshold value and the selected offset value.
  • the network device may send at least two third threshold values for initiating two-step random access on one or more uplink carriers, wherein the at least two third threshold values correspond to different types of terminals, and the terminal A third threshold value corresponding to its own type may be selected from at least two third threshold values based on its own type; in another example, the network device may initiate two-step randomization on one or more uplink carriers Access and send a threshold value and offset values corresponding to each type of terminal.
  • the above threshold value is a type of terminal
  • the third threshold value corresponding to other types of terminals can be calculated by the above-mentioned threshold value and offset value; then the terminal can select from at least two offset values corresponding to its own type
  • the offset value of , and the corresponding third threshold value is determined based on the threshold value and the offset value. Further judgment is made based on the selected third threshold value to determine whether to initiate two-step random access on one or more uplink carriers.
  • the terminal determines, according to the measured RSRP and the third threshold value, whether to initiate two-step random access on the uplink carrier corresponding to the third threshold value, including : when the measured RSRP is greater than the third threshold, determine to initiate two-step random access on the uplink carrier corresponding to the third threshold; when the measured RSRP is not greater than the third threshold is determined to initiate four-step random access on the uplink carrier corresponding to the third threshold value.
  • the lightweight terminal cannot camp on or cannot be connected during the cell camping or cell access process due to the reduction of some indicators.
  • the continuity of cell access and camping of different types of terminals is realized, and the continuity of the mobility of the terminals is ensured.
  • Step 1 The base station of the cell broadcasts a system message, and the system message includes a maximum allowable transmit power of 23dBm;
  • Step 4 the terminal measures and obtains the RSRP, and determines whether the cell selection criterion is satisfied according to the measured RSRP and the minimum allowed RSRP required for cell selection (that is, the first threshold value in the above embodiment); if the measured RSRP-allowed minimum RSRP If value-compensation parameter-other offset>0, the cell selection criterion is satisfied, and the cell can be camped on; otherwise, the cell cannot be camped on.
  • Step 1 The base station of the cell broadcasts a system message, and the system message includes a maximum allowable transmit power of 23dBm;
  • Step 2 The maximum transmit power corresponding to the power level of the terminal is 26dBm, but the maximum transmit power of the terminal under a single radio channel or a single antenna port or the maximum transmit power that can be achieved by the transmit power level is 23dBm, then the equivalent transmit power of the terminal The power is 23dBm;
  • Step 4 the terminal measures and obtains the RSRP, and determines whether the cell selection criterion is satisfied according to the measured RSRP and the minimum allowed RSRP required for cell selection (that is, the first threshold value in the above embodiment); if the measured RSRP-allowed minimum RSRP If value-compensation parameter-other offset>0, the cell selection criterion is satisfied, and the cell can be camped on; otherwise, the cell cannot be camped on.
  • Step 1 The base station of the cell broadcasts a system message, and the system message includes a maximum allowable transmit power of 23dBm;
  • the transmission mode such as transmit diversity
  • Step 4 the terminal measures the RSRP, and determines whether the cell selection criterion is satisfied according to the measured RSRP and the minimum allowable RSRP required for cell selection (that is, the first threshold value in the above-mentioned embodiment); if the measured RSRP-allowed minimum RSRP If value-compensation parameter-other offset>0, the cell selection criterion is satisfied, and the cell can be camped on; otherwise, the cell cannot be camped on.
  • the minimum allowable RSRP required for cell selection that is, the first threshold value in the above-mentioned embodiment
  • Step 1 The base station of the cell broadcasts a system message, and the system message includes a maximum allowable transmit power of 23dBm;
  • Step 2 the terminal determines an equivalent RSRP, where the equivalent RSRP is: RSRP measured by the terminal + the transmit gain of the terminal; when the terminal transmits the gain due to repeated transmission in the time domain, the transmit gain is 3dBm;
  • Step 4 Determine whether the cell selection criterion is satisfied according to the equivalent RSRP and the minimum allowable RSRP required for cell selection (ie, the first threshold value in the above embodiment); if the equivalent RSRP-allowed minimum RSRP value-compensation parameter- If the other offsets are >0, the cell selection criterion is satisfied, and the cell can be camped on; otherwise, the cell cannot be camped on.
  • the equivalent RSRP and the minimum allowable RSRP required for cell selection ie, the first threshold value in the above embodiment
  • Step 1 The base station of the cell broadcasts a system message, and the system message includes a maximum allowable transmit power of 23dBm.
  • Step 2 The base station of the cell broadcasts a system message, and the system message includes at least two minimum received RSRP thresholds required for cell selection (ie, the first threshold in the above embodiment), wherein:
  • RSRP threshold 1 -103dBm, corresponding to a common terminal type terminal (such as a handheld terminal), or a terminal with a maximum transmit power of 23dBm; it is assumed that a common terminal type terminal (such as a handheld terminal), or a terminal with a maximum transmit power of 23dBm is recorded. is terminal type 1;
  • RSRP threshold 2 -106dBm, corresponding to a terminal of a lower or special terminal type (such as a wearable terminal), or a terminal with a maximum transmit power of 20dBm; assuming a terminal of a lower or special terminal type (such as a wearable terminal), Or the terminal with the maximum transmit power of 20dBm is recorded as terminal type 2.
  • the base station can send the maximum allowable transmit power and at least two minimum received RSRP thresholds required for cell selection to the terminal through the same system message;
  • the system message sent to the terminal is the maximum allowable transmit power and at least two minimum received RSRP thresholds required for cell selection, which are not limited in this example.
  • Step 3 the terminal determines a compensation parameter; the compensation parameter is the maximum value between the first power value and 0; the first power value represents the difference between the maximum transmit power allowed by the cell and the equivalent transmit power of the terminal ; then there are:
  • Step 4 the terminal selects the threshold corresponding to the terminal type from the at least 2 RSRP thresholds in step 2 according to its own type, and determines whether the cell satisfies the cell selection criterion. If the measured RSRP-allowed lowest RSRP value (that is, the above embodiment The first threshold value in )-compensation parameter-other offsets>0, then the cell selection criterion is satisfied, and the cell can be camped on; otherwise, the cell cannot be camped on.
  • the measured RSRP-allowed lowest RSRP value that is, the above embodiment The first threshold value in
  • the measured RSRP is -102dBm; the type of terminal 1 is the above terminal type 1, and the type of terminal 2 is the above terminal type 2;
  • Step 5 The base station of the cell broadcasts a system message, and the system message includes at least two RSRP thresholds for selecting to initiate random access on the supplementary uplink carrier; wherein:
  • Threshold 1 corresponds to a common terminal type terminal (such as a handheld terminal), or a terminal with a maximum transmit power of 23dBm, that is, corresponds to terminal type 1;
  • Threshold 2 corresponds to a terminal of a lower or special terminal type (such as a wearable terminal), or a terminal with a maximum transmit power of 20 dBm, that is, corresponds to terminal type 2.
  • Step 6 the terminal selects the threshold corresponding to the terminal type from the two thresholds in step 5 according to its own type, and determines whether to initiate random access on the supplementary uplink carrier:
  • the terminal selects the corresponding threshold 1, and when the RSRP measured by the terminal is greater than the threshold 1, it can initiate random access on the supplementary uplink carrier; otherwise, initiate random access on the common uplink carrier ;
  • the terminal selects the corresponding threshold 2, and when the RSRP measured by the terminal is greater than the threshold 2, it can initiate random access on the supplementary uplink carrier; otherwise, initiate random access on the common uplink carrier.
  • Step 7 The base station of the cell broadcasts a system message, and the system message includes at least two RSRP thresholds for initiating two-step random access, and the at least two thresholds correspond to different types of terminals respectively; wherein,
  • Threshold 1 corresponds to a common terminal type terminal (such as a handheld terminal), or a terminal with a maximum transmit power of 23dBm, that is, corresponds to terminal type 1;
  • Threshold 2 corresponds to a lower or special terminal type terminal (such as a wearable terminal), or a terminal with a maximum transmit power of 20 dBm, that is, corresponds to terminal type 2;
  • Step 8 The terminal selects the threshold corresponding to the terminal type from the two thresholds in 7 according to its own type, and determines whether to initiate two-step random access:
  • the terminal selects the corresponding threshold 1.
  • the threshold When the RSRP measured by the terminal is greater than the threshold 1, it can initiate two-step random access on the uplink carrier, otherwise it can initiate four-step random access on the uplink carrier. enter;
  • the terminal selects the corresponding threshold 2.
  • the RSRP measured by the terminal is greater than the threshold 2, it can initiate two-step random access on the uplink carrier, otherwise, it can initiate four-step random access on the uplink carrier. enter.
  • step 6 it can be determined whether the carrier that initiates random access is a supplementary uplink carrier or a common carrier, and further, in step 8, it can be performed to initiate two-step random access or four-step random access on the determined supplementary uplink carrier or common carrier. Step random access.
  • Step 1 The base station of the cell broadcasts a system message, and the system message includes a maximum allowable transmit power of 23dBm;
  • Step 2 The base station of the cell broadcasts a system message, and the system message includes a minimum received RSRP threshold and an offset value (that is, the first threshold parameter in the above embodiment) required for cell selection, wherein:
  • RSRP threshold 1 -103dBm, corresponding to a common terminal type terminal (such as a handheld terminal), or a terminal with a maximum transmit power of 23dBm; it is assumed that a common terminal type terminal (such as a handheld terminal), or a terminal with a maximum transmit power of 23dBm is recorded. is terminal type 1;
  • Offset value -3dB
  • the sum of threshold 1 and offset value is -106dBm, that is, RSRP threshold 2 is -106dBm, which corresponds to a lower or special terminal type terminal (such as a wearable terminal), or the maximum emission A terminal with a power of 20 dBm; a terminal with a lower or special terminal type (such as a wearable terminal), or a terminal with a maximum transmit power of 20 dBm is assumed to be terminal type 2.
  • the base station can send the maximum allowable transmit power and a minimum received RSRP threshold and an offset value required for cell selection to the terminal through the same system message;
  • the maximum allowable transmit power, a minimum received RSRP threshold and an offset value required for cell selection may also be sent to the terminal through different system messages, which are not limited in this example.
  • Step 3 the terminal determines a compensation parameter; the compensation parameter is the maximum value between the first power value and 0; the first power value represents the difference between the maximum transmit power allowed by the cell and the equivalent transmit power of the terminal ; then there are:
  • Step 4 The terminal selects the threshold corresponding to the terminal type from the at least 2 RSRP thresholds in step 2 according to its own type, and determines whether the cell satisfies the cell selection criteria. If the measured RSRP-allowed minimum RSRP value-compensation parameter-other If the offset is greater than 0, the cell selection criterion is satisfied, and the cell can be camped on; otherwise, the cell cannot be camped on.
  • the measured RSRP is -102dBm; the type of terminal 1 is the above terminal type 1, and the type of terminal 2 is the above terminal type 2;
  • Step 5 The base station of the cell broadcasts a system message, and the system message includes an RSRP threshold and an offset value for selecting a random access on the supplementary uplink carrier, wherein:
  • Threshold 1 corresponds to a common terminal type terminal (such as a handheld terminal), or a terminal with a maximum transmit power of 23dBm, that is, corresponds to terminal type 1;
  • Threshold 2 is obtained by summing the threshold 1 and the offset value.
  • Threshold 2 corresponds to a terminal of lower or special terminal type (such as a wearable terminal), or a terminal with a maximum transmit power of 20 dBm, that is, corresponds to terminal type 2.
  • Step 6 the terminal selects the threshold corresponding to the terminal type from the two thresholds in step 5 according to its own type, and determines whether to initiate random access on the supplementary uplink carrier:
  • the terminal selects the corresponding threshold 1, and when the RSRP measured by the terminal is greater than the threshold 1, it can initiate random access on the supplementary uplink carrier; otherwise, initiate random access on the common uplink carrier ;
  • the terminal selects the corresponding threshold 2, and when the RSRP measured by the terminal is greater than the threshold 2, it can initiate random access on the supplementary uplink carrier; otherwise, initiate random access on the common uplink carrier.
  • Step 7 The base station of the cell broadcasts a system message, and the system message includes 1 RSRP threshold and 1 offset value for initiating two-step random access; wherein:
  • Threshold 1 corresponds to a common terminal type terminal (such as a handheld terminal), or a terminal with a maximum transmit power of 23dBm, that is, corresponds to terminal type 1;
  • Threshold 1 corresponds to a lower or special terminal type terminal (such as a wearable terminal), or a terminal with a maximum transmit power of 20dBm, that is, corresponds to terminal type 2;
  • Step 8 The terminal selects the threshold corresponding to the terminal type from the two thresholds in 7 according to its own type, and determines whether to initiate two-step random access:
  • the terminal selects the corresponding threshold 1.
  • the threshold When the RSRP measured by the terminal is greater than the threshold 1, it can initiate two-step random access on the uplink carrier, otherwise it can initiate four-step random access on the uplink carrier. enter;
  • the terminal selects the corresponding threshold 2.
  • the RSRP measured by the terminal is greater than the threshold 2, it can initiate two-step random access on the uplink carrier, otherwise, it can initiate four-step random access on the uplink carrier. enter.
  • FIG. 4 is a schematic diagram of the composition structure of a terminal according to an embodiment of the present disclosure; as shown in FIG. 4 , the terminal includes: a first determination unit 21, a determination unit 22, and a second determination unit 23; wherein,
  • the first determining unit 21 is configured to determine a first parameter, a compensation parameter, a second parameter and a threshold value, where the first parameter represents RSRP; the compensation parameter is the maximum value among the first power value and 0 The first power value represents the difference between the maximum transmit power allowed by the cell and the equivalent transmit power of the terminal; the second parameter represents the RSRQ; the threshold value includes the first threshold value and the second threshold limit value;
  • the judging unit 22 is configured to judge whether the first condition is satisfied based on the first parameter, the compensation parameter and the first threshold value, and to judge according to the second parameter and the second threshold value Whether the second condition is met;
  • the second determining unit 23 is configured to determine whether the cell satisfies the cell access or camping condition according to the determination result of the determination unit 22 .
  • the RSRP includes an RSRP measured by the terminal or an equivalent RSRP.
  • the judging unit 22 is configured to judge whether the difference between the first parameter, the compensation parameter, the first threshold value, and the first offset parameter is greater than zero ; and is further configured to determine whether the difference between the second parameter, the second threshold value and the second offset parameter is greater than zero.
  • the equivalent transmit power includes at least one of the following:
  • the maximum transmit power that can be achieved by a single antenna port of the terminal or the maximum transmit power corresponding to the transmit power level of a single antenna port;
  • the maximum transmit power that can be reached by a radio frequency channel or a power amplifier of the terminal or the maximum transmit power corresponding to the transmit power level of a radio frequency channel or a power amplifier;
  • the maximum transmit power that can be achieved in the process of cell access or cell camping initiated by the terminal or the maximum transmit power corresponding to the transmit power level in the process of cell access or cell camping initiated by the terminal;
  • the maximum transmit power corresponding to the transmit power level of the terminal
  • the sum of the maximum transmit power attainable by the terminal in the idle state and/or the deactivated state and the transmit gain or compensation value, or the maximum transmit power and transmit gain or compensation corresponding to the transmit power level when the terminal is in the idle state and/or in the deactivated state the sum of the values;
  • the first determining unit 21 is configured to add and process the measured RSRP and the transmit gain or compensation value to obtain an equivalent RSRP.
  • the transmit gain or compensation value includes at least one of the following: repeated transmission gain or compensation value;
  • the terminal further includes a first obtaining unit, configured to obtain at least two first threshold parameters sent by the network device before the first determining unit 21 determines the threshold value;
  • the at least two first threshold parameters are used for cell selection; wherein, the at least two first threshold parameters correspond to different types of terminals; the at least two first threshold parameters include at least two corresponding to each type of terminal A threshold value, or a threshold value and an offset value corresponding to each type of terminal.
  • the first determining unit 21 is configured to select a threshold value corresponding to the type of the terminal from at least two threshold values included in the at least two first threshold parameters a first threshold value; or, according to a threshold value included in the at least two first threshold parameters and an offset value corresponding to each type of terminal, select an offset value corresponding to the type of the terminal, according to The first threshold value is obtained from the one threshold value and the selected offset value.
  • the terminal further includes a second obtaining unit, configured to obtain at least two second threshold parameters sent by the network device; the at least two second threshold parameters are used for selecting The uplink carrier initiates random access; or, obtain at least two third threshold parameters sent by the network device; the at least two third threshold parameters are used to initiate two-step random access on one or more uplink carriers;
  • the at least two second threshold parameters or the at least two third threshold parameters correspond to different types of terminals; the at least two second threshold parameters or the at least two third threshold parameters include at least various types of At least two threshold values corresponding to the terminal of , or one threshold value and the offset value corresponding to each type of terminal.
  • the first determining unit 21 is further configured to determine a second threshold value
  • the second determining unit 23 is further configured to determine whether to initiate random access on the supplementary uplink carrier according to the measured RSRP and the second threshold value.
  • the first determining unit 21 is further configured to determine a third threshold value
  • the second determining unit 23 is further configured to determine whether to initiate two-step random access on the uplink carrier corresponding to the third threshold value according to the RSRP obtained by measurement and the third threshold value.
  • the second determining unit 23 is configured to determine to initiate random access on the supplementary uplink carrier when the measured RSRP is greater than the second threshold; When the obtained RSRP is not greater than the second threshold value, it is determined that random access is initiated on the common uplink carrier.
  • the second determining unit 23 is configured to, when the measured RSRP is greater than the third threshold value, determine that the uplink carrier corresponding to the third threshold value initiates Two-step random access; when the measured RSRP is not greater than the third threshold value, it is determined that four-step random access is initiated on the uplink carrier corresponding to the third threshold value.
  • the first determination unit 21, the determination unit 22, and the second determination unit 23 in the terminal can all be composed of a central processing unit (CPU, Central Processing Unit), a digital Signal processor (DSP, Digital Signal Processor), Microcontroller Unit (MCU, Microcontroller Unit) or Programmable Gate Array (FPGA, Field-Programmable Gate Array) implementation; the first acquisition unit and the second acquisition unit in the terminal , in practical applications, it can be implemented by a communication module (including: basic communication suite, operating system, communication module, standardized interface and protocol, etc.) and a transceiver antenna.
  • a communication module including: basic communication suite, operating system, communication module, standardized interface and protocol, etc.
  • terminal when the terminal provided in the above embodiment performs terminal access, only the division of the above program modules is used as an example for illustration.
  • the internal structure of the terminal is divided into different program modules to complete all or part of the processing described above.
  • terminal and terminal access method embodiments provided in the above embodiments belong to the same concept, and the specific implementation process thereof is detailed in the method embodiments, which will not be repeated here.
  • FIG. 5 is a schematic diagram of a hardware structure of the terminal according to an embodiment of the present disclosure.
  • the terminal includes a memory 32 , a processor 31 , and is stored in the memory 32 and can be processed during processing.
  • the terminal may further include one or more network interfaces 33 .
  • the various components in the terminal are coupled together by a bus system 34 .
  • the bus system 34 is used to implement the connection communication between these components.
  • the bus system 34 also includes a power bus, a control bus and a status signal bus.
  • the various buses are designated as bus system 34 in FIG. 5 .
  • the memory 32 may be either volatile memory or non-volatile memory, and may include both volatile and non-volatile memory.
  • the non-volatile memory can be a read-only memory (ROM, Read Only Memory), a programmable read-only memory (PROM, Programmable Read-Only Memory), an erasable programmable read-only memory (EPROM, Erasable Programmable Read-only memory) Only Memory), Electrically Erasable Programmable Read-Only Memory (EEPROM, Electrically Erasable Programmable Read-Only Memory), Magnetic Random Access Memory (FRAM, Ferromagnetic Random Access Memory), Flash Memory (Flash Memory), Magnetic Surface Memory , CD-ROM, or CD-ROM (Compact Disc Read-Only Memory); magnetic surface memory can be disk memory or tape memory.
  • RAM Random Access Memory
  • SRAM Static Random Access Memory
  • SSRAM Synchronous Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • SDRAM Synchronous Dynamic Random Access Memory
  • DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • ESDRAM Enhanced Type Synchronous Dynamic Random Access Memory
  • SLDRAM Synchronous Link Dynamic Random Access Memory
  • DRRAM Direct Rambus Random Access Memory
  • the memory 32 described in the embodiments of the present disclosure is intended to include, but not be limited to, these and any other suitable types of memory.
  • the methods disclosed in the above embodiments of the present disclosure may be applied to the processor 31 or implemented by the processor 31 .
  • the processor 31 may be an integrated circuit chip with signal processing capability. In the implementation process, each step of the above-mentioned method can be completed by a hardware integrated logic circuit in the processor 31 or an instruction in the form of software.
  • the above-mentioned processor 31 may be a general-purpose processor, a DSP, or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and the like.
  • the processor 31 may implement or execute the methods, steps, and logical block diagrams disclosed in the embodiments of the present disclosure.
  • a general purpose processor may be a microprocessor or any conventional processor or the like.
  • the steps of the methods disclosed in combination with the embodiments of the present disclosure can be directly embodied as being executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a storage medium, and the storage medium is located in the memory 32, and the processor 31 reads the information in the memory 32 and completes the steps of the foregoing method in combination with its hardware.
  • the terminal may be implemented by one or more Application Specific Integrated Circuit (ASIC, Application Specific Integrated Circuit), DSP, Programmable Logic Device (PLD, Programmable Logic Device), Complex Programmable Logic Device (CPLD, Complex) Programmable Logic Device), FPGA, general-purpose processor, controller, MCU, Microprocessor (Microprocessor), or other electronic component implementation for performing the aforementioned method.
  • ASIC Application Specific Integrated Circuit
  • DSP Digital Signal processor
  • PLD Programmable Logic Device
  • CPLD Complex Programmable Logic Device
  • FPGA general-purpose processor
  • controller MCU
  • Microprocessor Microprocessor
  • an embodiment of the present disclosure further provides a computer-readable storage medium, for example, a memory 32 including a computer program, and the computer program can be executed by the processor 31 of the terminal to complete the steps of the foregoing method.
  • the computer-readable storage medium can be memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface memory, optical disk, or CD-ROM; it can also be various devices including one or any combination of the above memories.
  • the computer-readable storage medium provided by the embodiment of the present disclosure stores a computer program thereon, and when the program is executed by the processor, implements the steps of the terminal access method described in the embodiment of the present disclosure.
  • the disclosed apparatus and method may be implemented in other manners.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined, or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the coupling, or direct coupling, or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be electrical, mechanical or other forms. of.
  • the unit described above as a separate component may or may not be physically separated, and the component displayed as a unit may or may not be a physical unit, that is, it may be located in one place or distributed to multiple network units; Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
  • each functional unit in each embodiment of the present disclosure may be all integrated into one processing unit, or each unit may be separately used as a unit, or two or more units may be integrated into one unit; the above integration
  • the unit can be implemented either in the form of hardware or in the form of hardware plus software functional units.
  • the aforementioned program can be stored in a computer-readable storage medium, and when the program is executed, execute It includes the steps of the above method embodiments; and the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic disk or an optical disk and other media that can store program codes.
  • the above-mentioned integrated units of the present disclosure are implemented in the form of software functional modules and sold or used as independent products, they may also be stored in a computer-readable storage medium.
  • the technical solutions of the embodiments of the present disclosure essentially or the parts that make contributions to the prior art can be embodied in the form of a software product, and the computer software product is stored in a storage medium and includes several instructions for A computer device (which may be a personal computer, a server, or a network device, etc.) is caused to execute all or part of the methods described in the various embodiments of the present disclosure.
  • the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic disk or an optical disk and other mediums that can store program codes.

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Abstract

本公开实施例公开了一种终端接入方法、终端及存储介质，所述方法包括：终端确定第一参数、补偿参数、第二参数和门限值，所述第一参数表征参考信号接收功率（RSRP）；所述补偿参数为第一功率值和0之中的最大值；所述第一功率值表征小区允许的最大发射功率与所述终端的等效发射功率的差值；所述第二参数表征参考信号接收质量（RSRQ）；所述门限值包括第一门限值和第二门限值；所述终端基于所述第一参数、所述补偿参数和所述第一门限值判断是否满足第一条件，以及根据所述第二参数和所述第二门限值判断是否满足第二条件；根据判断结果确定所述小区是否满足小区接入或驻留条件。

Description

一种终端接入方法、终端及存储介质
相关申请的交叉引用
本公开基于申请号为202010670817.5、申请日为2020年07月13日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此以引入方式并入本公开。
技术领域
本公开涉及无线通信技术领域，具体涉及一种终端接入方法、终端及存储介质。
背景技术
终端在空闲态进行小区选择和重选时，通常会采用相关准则判定小区是否满足条件。而对于轻量级终端，由于轻量级终端对成本和体积较敏感，因此一些指标，例如天线数、带宽、发射功率等可能会降低。则轻量级终端在小区驻留或小区接入过程中可能会出现无法驻留或者无法接入的情况。
发明内容
本公开实施例提供一种终端接入方法、终端及存储介质。
本公开实施例的技术方案是这样实现的：
本公开实施例提供了一种终端接入方法，所述方法包括：终端确定第一参数、补偿参数、第二参数和门限值，所述第一参数表征参考信号接收功率(RSRP，Reference Signal Receiving Power)；所述补偿参数为第一功率值和0之中的最大值；所述第一功率值表征小区允许的最大发射功率与 所述终端的等效发射功率的差值；所述第二参数表征参考信号接收质量(RSRQ，Reference Signal Receiving Quality)；所述门限值包括第一门限值和第二门限值；
所述终端基于所述第一参数、所述补偿参数和所述第一门限值判断是否满足第一条件，以及根据所述第二参数和所述第二门限值判断是否满足第二条件；根据判断结果确定所述小区是否满足小区接入或驻留条件。
在本公开的一些可选实施例中，所述RSRP包括所述终端测量得到的RSRP或者等效RSRP。
在本公开的一些可选实施例中，所述终端基于所述第一参数、所述补偿参数和所述第一门限值判断是否满足第一条件，包括：所述终端判断所述第一参数、所述补偿参数、所述第一门限值、第一偏移参数的差值是否大于零；所述根据所述第二参数和所述第二门限值判断是否满足第二条件，包括：所述终端判断所述第二参数、所述第二门限值和第二偏移参数的差值是否大于零。
在本公开的一些可选实施例中，所述等效发射功率包括以下至少之一：
终端单天线端口可达到的最大发射功率、或单天线端口的发射功率等级对应的最大发射功率；
终端一个射频通道或一个功放可到达的最大发射功率、或一个射频通道或一个功放的发射功率等级对应的最大发射功率；
终端处于空闲态和/或去激活态可达到的最大发射功率、或终端处于空闲态和/或去激活态的发射功率等级对应的最大发射功率；
终端发起小区接入或小区驻留过程中可达到的最大发射功率、或终端发起小区接入或小区驻留过程中的发射功率等级对应的最大发射功率；
终端的发射功率等级对应的最大发射功率；
终端单天线端口可达到的最大发射功率与发射增益或补偿值之和、或 单天线端口的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
终端一个射频通道或一个功放可到达的最大发射功率与发射增益或补偿值之和、或一个射频通道或一个功放的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
终端处于空闲态和/或去激活态可达到的最大发射功率与发射增益或补偿值之和、或终端处于空闲态和/或去激活态的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
终端发起小区接入或小区驻留过程中可达到的最大发射功率与发射增益或补偿值之和、或终端发起小区接入或小区驻留过程中的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
终端的发射功率等级对应的最大发射功率与发射增益或补偿值之和。
在本公开的一些可选实施例中，终端获得等效RSRP，包括：所述终端将测量得到的RSRP与发射增益或补偿值加和处理，得到等效RSRP。
在本公开的一些可选实施例中，所述发射增益或补偿值，包括以下至少之一：
重复传输增益或补偿值；
天线增益或补偿值；
传输方式增益或补偿值。
在本公开的一些可选实施例中，终端确定门限值之前，所述方法还包括：所述终端获得网络设备发送的至少两个第一门限参数；所述至少两个第一门限参数用于小区选择；其中，所述至少两个第一门限参数对应不同类型的终端；所述至少两个第一门限参数至少包括各类型的终端对应的至少两个门限值、或者一个门限值和各类型的终端对应的偏移值。
在本公开的一些可选实施例中，终端确定第一门限值，包括：所述终 端从所述至少两个第一门限参数中包括的至少两个门限值中选择与所述终端的类型对应的第一门限值；或者，
所述终端根据所述至少两个第一门限参数中包括的一个门限值和各类型的终端对应的偏移值，选择与所述终端的类型对应的偏移值，根据所述一个门限值和选择的偏移值得到所述第一门限值。
在本公开的一些可选实施例中，所述方法还包括：所述终端获得网络设备发送的至少两个第二门限参数；所述至少两个第二门限参数用于选择在补充上行载波发起随机接入；或者，所述终端获得网络设备发送的至少两个第三门限参数；所述至少两个第三门限参数用于在一个或多个上行载波发起两步随机接入；其中，所述至少两个第二门限参数或所述至少两个第三门限参数对应不同类型的终端；所述至少两个第二门限参数或所述至少两个第三门限参数至少包括各类型的终端对应的至少两个门限值、或者一个门限值和各类型的终端对应的偏移值。
在本公开的一些可选实施例中，所述方法还包括：所述终端确定第二门限值，根据测量得到的RSRP和所述第二门限值，确定是否在所述补充上行载波发起随机接入。
在本公开的一些可选实施例中，所述方法还包括：所述终端确定第三门限值，根据测量得到的RSRP和所述第三门限值，确定是否在所述第三门限值对应的上行载波发起两步随机接入。
在本公开的一些可选实施例中，所述终端根据测量得到的RSRP和所述第二门限值，确定是否在所述补充上行载波发起随机接入，包括：当测量得到的RSRP大于所述第二门限值时，确定在所述补充上行载波发起随机接入；当测量得到的RSRP不大于所述第二门限值时，确定在普通上行载波发起随机接入。
在本公开的一些可选实施例中，所述终端根据测量得到的RSRP和所 述第三门限值，确定是否在所述第三门限值对应的上行载波发起两步随机接入，包括：当测量得到的RSRP大于所述第三门限值时，确定在所述第三门限值对应的上行载波发起两步随机接入；当测量得到的RSRP不大于所述第三门限值时，确定在所述第三门限值对应的上行载波发起四步随机接入。
在本公开的一些可选实施例中，所述终端确定第二门限值，包括：所述终端从所述至少两个第二门限参数包括的至少两个门限值中选择与所述终端的类型对应的第二门限值；或者，
所述终端根据所述至少两个第二门限参数包括的一个门限值和各类型的终端对应的偏移值，选择与所述终端的类型对应的偏移值，根据所述一个门限值和选择的偏移值得到所述第二门限值。
在本公开的一些可选实施例中，所述终端确定第三门限值，包括：所述终端从所述至少两个第三门限参数包括的至少两个门限值中选择与所述终端的类型对应的第三门限值；或者，
所述终端根据所述至少两个第三门限参数包括的一个门限值和各类型的终端对应的偏移值，选择与所述终端的类型对应的偏移值，根据所述一个门限值和选择的偏移值得到所述第三门限值。
本公开实施例还提供了一种终端，所述终端包括：第一确定单元、判断单元和第二确定单元；其中，
所述第一确定单元，配置为确定第一参数、补偿参数、第二参数和门限值，所述第一参数表征RSRP；所述补偿参数为第一功率值和0之中的最大值；所述第一功率值表征小区允许的最大发射功率与所述终端的等效发射功率的差值；所述第二参数表征RSRQ；所述门限值包括第一门限值和第二门限值；
所述判断单元，配置为基于所述第一参数、所述补偿参数和所述第一 门限值判断是否满足第一条件，以及根据所述第二参数和所述第二门限值判断是否满足第二条件；
所述第二确定单元，配置为根据所述判断单元的判断结果确定所述小区是否满足小区接入或驻留条件。
在本公开的一些可选实施例中，所述RSRP包括所述终端测量得到的RSRP或者等效RSRP。
在本公开的一些可选实施例中，所述判断单元，配置为判断所述第一参数、所述补偿参数、所述第一门限值、第一偏移参数的差值是否大于零；还配置为判断所述第二参数、所述第二门限值和第二偏移参数的差值是否大于零。
在本公开的一些可选实施例中，所述等效发射功率包括以下至少之一：
终端单天线端口可达到的最大发射功率、或单天线端口的发射功率等级对应的最大发射功率；
终端一个射频通道或一个功放可到达的最大发射功率、或一个射频通道或一个功放的发射功率等级对应的最大发射功率；
终端处于空闲态和/或去激活态可达到的最大发射功率、或终端处于空闲态和/或去激活态的发射功率等级对应的最大发射功率；
终端发起小区接入或小区驻留过程中可达到的最大发射功率、或终端发起小区接入或小区驻留过程中的发射功率等级对应的最大发射功率；
终端的发射功率等级对应的最大发射功率；
终端单天线端口可达到的最大发射功率与发射增益或补偿值之和、或单天线端口的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
终端一个射频通道或一个功放可到达的最大发射功率与发射增益或补偿值之和、或一个射频通道或一个功放的发射功率等级对应的最大发射功 率与发射增益或补偿值之和；
终端处于空闲态和/或去激活态可达到的最大发射功率与发射增益或补偿值之和、或终端处于空闲态和/或去激活态的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
终端发起小区接入或小区驻留过程中可达到的最大发射功率与发射增益或补偿值之和、或终端发起小区接入或小区驻留过程中的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
终端的发射功率等级对应的最大发射功率与发射增益或补偿值之和。
在本公开的一些可选实施例中，所述第一确定单元，配置为将测量得到的RSRP与发射增益或补偿值加和处理，得到等效RSRP。
在本公开的一些可选实施例中，所述发射增益或补偿值，包括以下至少之一：重复传输增益或补偿值；
天线增益或补偿值；
传输方式增益或补偿值。
在本公开的一些可选实施例中，所述终端还包括第一获取单元，配置为所述第一确定单元确定门限值之前，获得网络设备发送的至少两个第一门限参数；所述至少两个第一门限参数用于小区选择；其中，所述至少两个第一门限参数对应不同类型的终端；所述至少两个第一门限参数至少包括各类型的终端对应的至少两个门限值、或者一个门限值和各类型的终端对应的偏移值。
在本公开的一些可选实施例中，所述第一确定单元，配置为从所述至少两个第一门限参数中包括的至少两个门限值中选择与所述终端的类型对应的第一门限值；或者，根据所述至少两个第一门限参数中包括的一个门限值和各类型的终端对应的偏移值，选择与所述终端的类型对应的偏移值，根据所述一个门限值和选择的偏移值得到所述第一门限值。
在本公开的一些可选实施例中，所述终端还包括第二获取单元，配置为获得网络设备发送的至少两个第二门限参数；所述至少两个第二门限参数用于选择在补充上行载波发起随机接入；或者，获得网络设备发送的至少两个第三门限参数；所述至少两个第三门限参数用于在一个或多个上行载波发起两步随机接入；其中，所述至少两个第二门限参数或所述至少两个第三门限参数对应不同类型的终端；所述至少两个第二门限参数或所述至少两个第三门限参数至少包括各类型的终端对应的至少两个门限值、或者一个门限值和各类型的终端对应的偏移值。
在本公开的一些可选实施例中，所述第一确定单元，还配置为确定第二门限值；
所述第二确定单元，还配置为根据测量得到的RSRP和所述第二门限值，确定是否在所述补充上行载波发起随机接入。
在本公开的一些可选实施例中，所述第一确定单元，还配置为确定第三门限值；
所述第二确定单元，还配置为根据测量得到的RSRP和所述第三门限值，确定是否在所述第三门限值对应的上行载波发起两步随机接入。
在本公开的一些可选实施例中，所述第二确定单元，配置为当测量得到的RSRP大于所述第二门限值时，确定在所述补充上行载波发起随机接入；当测量得到的RSRP不大于所述第二门限值时，确定在普通上行载波发起随机接入。
在本公开的一些可选实施例中，所述第二确定单元，配置为当测量得到的RSRP大于所述第三门限值时，确定在所述第三门限值对应的上行载波发起两步随机接入；当测量得到的RSRP不大于所述第三门限值时，确定在所述第三门限值对应的上行载波发起四步随机接入。
在本公开的一些可选实施例中，所述第一确定单元，配置为从所述至 少两个第二门限参数包括的至少两个门限值中选择与所述终端的类型对应的第二门限值；或者，根据所述至少两个第二门限参数包括的一个门限值和各类型的终端对应的偏移值，选择与所述终端的类型对应的偏移值，根据所述一个门限值和选择的偏移值得到所述第二门限值。
在本公开的一些可选实施例中，所述第一确定单元，配置为从所述至少两个第三门限参数包括的至少两个门限值中选择与所述终端的类型对应的第三门限值；或者，根据所述至少两个第三门限参数包括的一个门限值和各类型的终端对应的偏移值，选择与所述终端的类型对应的偏移值，根据所述一个门限值和选择的偏移值得到所述第三门限值。
本公开实施例还提供了一种计算机可读存储介质，其上存储有计算机程序，该程序被处理器执行时实现本公开实施例所述方法的步骤。
本公开实施例还提供了一种终端，包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，所述处理器执行所述程序时实现本公开实施例所述方法的步骤。
本公开实施例提供的终端接入方法、终端及存储介质，所述方法包括：终端确定第一参数、补偿参数、第二参数和门限值，所述第一参数表征RSRP；所述补偿参数为第一功率值和0之中的最大值；所述第一功率值表征小区允许的最大发射功率与所述终端的等效发射功率的差值；所述第二参数表征RSRQ；所述门限值包括第一门限值和第二门限值；所述终端基于所述第一参数、所述补偿参数和所述第一门限值判断是否满足第一条件，以及根据所述第二参数和所述第二门限值判断是否满足第二条件；根据判断结果确定所述小区是否满足小区接入或驻留条件。采用本公开实施例的技术方案，通过新定义的小区接入或驻留条件，避免了轻量级终端由于一些指标降低导致的在小区驻留或小区接入过程中出现无法驻留或者无法接入的情况发生，实现了不同类型终端的小区接入和驻留的连续性，保证了 终端的移动性的连续。
附图说明
图1为本公开实施例的终端接入方法的流程示意图一；
图2为本公开实施例的终端接入方法的流程示意图二；
图3为本公开实施例的终端接入方法的流程示意图三；
图4为本公开实施例的终端的组成结构示意图；
图5为本公开实施例的终端的硬件组成结构示意图。
具体实施方式
下面结合附图及具体实施例对本公开作进一步详细的说明。
本实施例的终端接入方法可以应用于各种通信系统，例如全球移动通讯(GSM，Global System of Mobile communication)系统、长期演进(LTE，Long Term Evolution)系统或5G系统等等。通信系统中可包括网络设备和终端(又可称为终端设备、用户设备等)，网络设备可为一定区域提供通信覆盖，且可以与该区域内的终端进行通信。示例性的，网络设备可以是通信系统中的基站或者其他网络设备等。可选地，5G系统或5G网络还可以称为新无线(NR，New Radio)系统或NR网络。其中，终端可以是电话(例如手机)、可穿戴设备(例如智能手表)、低成本手持终端等等。
在终端是可穿戴设备(例如智能手表)、低成本手持终端等轻量级终端的情况下，这些类型的终端的一些指标可能会降低，在小区驻留或小区接入过程中可能会出现无法驻留或者无法接入的情况。
以小区选择为例，例如系统消息中广播的驻留门限是Q rxlevmin＝-100dBm，小区允许的最大发射功率P EMAX1＝23dBm，其他门限暂时忽略。则根据S准则：
Srxlev＝Q rxlevmeas–(Q rxlevmin)–P compensation
P compensation＝max(P EMAX1–P PowerClass,0)(dB)
在满足Srxlev大于0，并且大于0的情况下，可以驻留在该小区。其中，Q rxlevmeas可表示RSRP；Q rxlevmin表示RSRP门限；P PowerClass表示功放的发射等级对应的最大发射功率。
假设普通终端检测到的RSRP为Q rxlevmeas＝-99dBm，Srxlv＝-99+100-0＝1>0，可以驻留在小区。
而轻量级终端(发射功率为20dBm)检测到的RSRP为Q rxlevmeas＝-99dBm，Srxlv＝-99+100-3＝-2<0,则无法驻留到该小区，但实际上轻量级终端可以通过利用一些增强技术例如重复发送等，达到与普通终端相同的覆盖能力，但由于受限于功率以及目前标准，则无法驻留到这个小区，导致轻量级终端在网络中会认为有覆盖漏洞。
基于此，提出本公开以下各实施例。
本公开实施例提供了一种终端接入方法。图1为本公开实施例的终端接入方法的流程示意图一；如图1所示，所述方法包括：
步骤101：终端确定第一参数、补偿参数、第二参数和门限值，所述第一参数表征RSRP；所述补偿参数为第一功率值和0之中的最大值；所述第一功率值表征小区允许的最大发射功率与所述终端的等效发射功率的差值；所述第二参数表征RSRQ；所述门限值包括第一门限值和第二门限值；
步骤102：所述终端基于所述第一参数、所述补偿参数和所述第一门限值判断是否满足第一条件，以及根据所述第二参数和所述第二门限值判断是否满足第二条件；根据判断结果确定所述小区是否满足小区接入条件或驻留条件。
在本公开的一些可选实施例中，所述终端基于所述第一参数、所述补偿参数和所述第一门限值判断是否满足第一条件，包括：所述终端判断所述第一参数、所述补偿参数、所述第一门限值、第一偏移参数的差值是否大于零；所述根据所述第二参数和所述第二门限值判断是否满足第二条件， 包括：所述终端判断所述第二参数、所述第二门限值和第二偏移参数的差值是否大于零。
本实施例中，终端可基于以下准则判断其是否可以驻留在该小区或是否可以接入该小区：
RSRP-第一门限值-补偿参数-第一偏移参数>0   (1)
RSRQ-第二门限值-第二偏移参数>0   (2)
本实施例中，终端可检测到小区满足上述公式(1)和公式(2)的条件时，确定满足小区驻留或接入条件。因上述公式(2)表示的条件与常规的条件相同，本实施例中主要针对上述公式(1)中的条件进行了改进。其中，上述公式(1)和公式(2)的条件也可称为小区选择准则。
在一些可选实施例中，终端可获得网络设备发送的上述第一门限值和第二门限值。示例性的，终端可接收网络设备发送的系统消息，所述系统消息中可包括上述第一门限值和第二门限值。
本实施例中，所述RSRP包括所述终端测量得到的RSRP或者等效RSRP。
可选地，终端获得等效RSRP，包括：所述终端将测量得到的RSRP与发射增益或补偿值加和处理，得到等效RSRP。
在本公开的一些可选实施例中，所述等效发射功率包括以下至少之一：
终端单天线端口可达到的最大发射功率、或单天线端口的发射功率等级对应的最大发射功率；
终端一个射频通道或一个功放可到达的最大发射功率、或一个射频通道或一个功放的发射功率等级对应的最大发射功率；
终端处于空闲态和/或去激活态可达到的最大发射功率、或终端处于空闲态和/或去激活态的发射功率等级对应的最大发射功率；
终端发起小区接入或小区驻留过程中可达到的最大发射功率、或终端 发起小区接入或小区驻留过程中的发射功率等级对应的最大发射功率；
终端的发射功率等级对应的最大发射功率；
终端单天线端口可达到的最大发射功率与发射增益或补偿值之和、或单天线端口的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
终端一个射频通道或一个功放可到达的最大发射功率与发射增益或补偿值之和、或一个射频通道或一个功放的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
终端处于空闲态和/或去激活态可达到的最大发射功率与发射增益或补偿值之和、或终端处于空闲态和/或去激活态的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
终端发起小区接入或小区驻留过程中可达到的最大发射功率与发射增益或补偿值之和、或终端发起小区接入或小区驻留过程中的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
终端的发射功率等级对应的最大发射功率与发射增益或补偿值之和。
在本公开的一些可选实施例中，所述发射增益或补偿值，包括以下至少之一：重复传输增益或补偿值；
天线增益或补偿值；
传输方式增益或补偿值。
示例性的，上述发射增益或补偿值可以是终端预先配置的，或者是有网络设备配置的。
在本公开的一些可选实施例中，终端确定门限值之前，所述方法还包括：所述终端获得网络设备发送的至少两个第一门限参数；所述至少两个第一门限参数用于小区选择；其中，至少两个第一门限参数对应不同类型的终端；所述至少两个第一门限参数至少包括各类型的终端对应的至少两 个门限值、或者一个门限值和各类型的终端对应的偏移值。
在一些可选实施例中，终端确定第一门限值，包括：所述终端从所述至少两个第一门限参数中包括的至少两个门限值中选择与所述终端的类型对应的第一门限值；或者，所述终端根据所述至少两个第一门限参数中包括的一个门限值和各类型的终端对应的偏移值，选择与所述终端的类型对应的偏移值，根据所述一个门限值和选择的偏移值得到所述第一门限值。
本实施例中，在一种示例中，网络设备可针对小区选择发送至少两个第一门限值，其中，至少两个第一门限值对应不同类型的终端，终端可基于自身的类型从至少两个第一门限值中选择与自身的类型对应的第一门限值；在另一种示例中，网络设备可针对小区选择发送一个门限值和各类型的终端对应的偏移值，可以理解，针对终端类型的数量N，具有对应于N-1个偏移值，上述一个门限值为一种类型的终端对应的第一门限值，则其他类型的终端对应的第一门限值可通过上述门限值和偏移值计算得到；则终端可从至少两个偏移值中选择与自身的类型对应的偏移值，基于门限值和偏移值确定对应的第一门限值。进一步再基于选择的第一门限值参照前述公式(1)进行计算，判断计算结果是否大于零，如果计算结果大于零，则可确定可驻留或接入该小区，如果结算结果小于等于零，则可确定不可驻留或接入该小区。
基于前述实施例，本公开实施例还提供了一种终端接入方法，图2为本公开实施例的终端接入方法的流程示意图二；如图2所示，所述方法还可以包括：
步骤103：所述终端获得网络设备发送的至少两个第二门限参数；所述至少两个第二门限参数用于选择在补充上行载波发起随机接入；其中，所述至少两个第二门限参数对应不同类型的终端；所述至少两个第二门限参数至少包括各类型的终端对应的至少两个门限值、或者一个门限值和各类 型的终端对应的偏移值；
步骤104：所述终端确定第二门限值，根据测量得到的RSRP和所述第二门限值，确定是否在所述补充上行载波发起随机接入。
本实施例中，在终端驻留在该小区或者接入该小区的基础上，进一步确定是否在补充上行载波发起随机接入。
示例性的，终端可接收网络设备发送的系统消息，所述系统消息中可包括上述至少两个第二门限参数，第二门限参数用于选择是否在补充上行载波发起随机接入。
在一些可选实施例中，所述终端确定第二门限值，包括：所述终端从所述至少两个第二门限参数包括的至少两个门限值中选择与所述终端的类型对应的第二门限值；或者，所述终端根据所述至少两个第二门限参数包括的一个门限值和各类型的终端对应的偏移值，选择与所述终端的类型对应的偏移值，根据所述一个门限值和选择的偏移值得到所述第二门限值。
在一种示例中，网络设备可针对选择在补充上行载波发起随机接入发送至少两个第二门限值，其中，至少两个第二门限值对应不同类型的终端，终端可基于自身的类型从至少两个第二门限值中选择与自身的类型对应的第二门限值；在另一种示例中，网络设备可针对选择在补充上行载波发起随机接入发送一个门限值和各类型的终端对应的偏移值，可以理解，针对终端类型的数量N，具有对应于N-1个偏移值，上述一个门限值为一种类型的终端对应的第二门限值，则其他类型的终端对应的第二门限值可通过上述门限值和偏移值计算得到；则终端可从至少两个偏移值中选择与自身的类型对应的偏移值，基于门限值和偏移值确定对应的第二门限值。进一步再基于选择的第二门限值进行判断确定是否在所述补充上行载波发起随机接入。
在一些可选实施例中，所述终端根据测量得到的RSRP和所述第二门 限值，确定是否在所述补充上行载波发起随机接入，包括：当测量得到的RSRP大于所述第二门限值时，确定在所述补充上行载波发起随机接入；当测量得到的RSRP不大于所述第二门限值时，确定在普通上行载波发起随机接入。
基于前述实施例，本公开实施例还提供了一种终端接入方法，图3为本公开实施例的终端接入方法的流程示意图三；如图3所示，所述方法还可以包括：
步骤105：所述终端获得网络设备发送的至少两个第三门限参数，所述至少两个第三门限参数用于在一个或多个上行载波发起两步随机接入；其中，所述至少两个第三门限参数对应不同类型的终端；所述至少两个第三门限参数至少包括各类型的终端对应的至少两个门限值、或者一个门限值和各类型的终端对应的偏移值；
步骤106：所述终端确定第三门限值，根据测量得到的RSRP和所述第三门限值，确定是否在所述第三门限值对应的上行载波发起两步随机接入。
本实施例中，在终端驻留在该小区或者接入该小区的基础上，进一步确定是否在上行载波发起两步随机接入。
示例性的，终端可接收网络设备发送的系统消息，所述系统消息中可包括上述至少两个第三门限参数，第三门限参数用于选择是否在上行载波发起两步随机接入。
在一些可选实施例中，所述终端确定第三门限值，包括：所述终端从所述至少两个第三门限参数包括的至少两个门限值中选择与所述终端的类型对应的第三门限值；或者，所述终端根据所述至少两个第三门限参数包括的一个门限值和各类型的终端对应的偏移值，选择与所述终端的类型对应的偏移值，根据所述一个门限值和选择的偏移值得到所述第三门限值。
在一种示例中，网络设备可针对在一个或多个上行载波发起两步随机 接入发送至少两个第三门限值，其中，至少两个第三门限值对应不同类型的终端，终端可基于自身的类型从至少两个第三门限值中选择与自身的类型对应的第三门限值；在另一种示例中，网络设备可针对在一个或多个上行载波发起两步随机接入发送一个门限值和各类型的终端对应的偏移值，可以理解，针对终端类型的数量N，具有对应于N-1个偏移值，上述一个门限值为一种类型的终端对应的第三门限值，则其他类型的终端对应的第三门限值可通过上述门限值和偏移值计算得到；则终端可从至少两个偏移值中选择与自身的类型对应的偏移值，基于门限值和偏移值确定对应的第三门限值。进一步再基于选择的第三门限值进行判断确定是否在在一个或多个上行载波发起两步随机接入。
在本公开的一些可选实施例中，所述终端根据测量得到的RSRP和所述第三门限值，确定是否在所述第三门限值对应的上行载波发起两步随机接入，包括：当测量得到的RSRP大于所述第三门限值时，确定在所述第三门限值对应的上行载波发起两步随机接入；当测量得到的RSRP不大于所述第三门限值时，确定在所述第三门限值对应的上行载波发起四步随机接入。
采用本公开实施例的技术方案，通过新定义的小区接入或驻留条件，避免了轻量级终端由于一些指标降低导致的在小区驻留或小区接入过程中出现无法驻留或者无法接入的情况发生，实现了不同类型终端的小区接入和驻留的连续性，保证了终端的移动性的连续。
下面结合具体的示例对本公开实施例的终端接入方法进行说明。
示例一
步骤1、小区的基站广播系统消息，系统消息中包括允许的最大发射功率为23dBm；
步骤2、终端发射功率等级对应的最大发射功率为20dBm；发射增益 为3dBm，发射增益是由于时域上重复发送得到的，因此终端的等效发射功率＝发射功率等级对应的最大发射功率+发射增益＝20dBm+3dBm＝23dBm；
步骤3、终端确定补偿参数，所述补偿参数为第一功率值和0之中的最大值；所述第一功率值表征小区允许的最大发射功率与所述终端的等效发射功率的差值；则补偿参数＝max(23-23，0)＝0dB；
步骤4、终端测量得到RSRP，根据测量的RSRP和小区选择需要的允许的最低RSRP(即上述实施例中的第一门限值)确定是否满足小区选择准则；若测量的RSRP-允许的最低RSRP值-补偿参数-其他偏移量>0，则满足小区选择准则，可以驻留在该小区；否则，则不可以驻留在该小区。
示例二
步骤1、小区的基站广播系统消息，系统消息中包括允许的最大发射功率为23dBm；
步骤2、终端的功率等级对应的最大发射功率为26dBm，但是终端在单射频通道下或单天线端口下的最大发射功率或发射功率等级可达到的最大发射功率为23dBm，则终端的等效发射功率为23dBm；
步骤3、终端确定补偿参数，所述补偿参数为第一功率值和0之中的最大值；所述第一功率值表征小区允许的最大发射功率与所述终端的等效发射功率的差值；则补偿参数＝max(23-23，0)＝0dB；
步骤4、终端测量得到RSRP，根据测量的RSRP和小区选择需要的允许的最低RSRP(即上述实施例中的第一门限值)确定是否满足小区选择准则；若测量的RSRP-允许的最低RSRP值-补偿参数-其他偏移量>0，则满足小区选择准则，可以驻留在该小区；否则，则不可以驻留在该小区。
示例三
步骤1、小区的基站广播系统消息，系统消息中包括允许的最大发射功率为23dBm；
步骤2、终端在小区接入时，处于空闲态和/或去激活态下可达到的最大发射功率、或终端处于空闲态和/或去激活态的发射功率等级对应的最大发射功率为23dBm；，由于传输方式(例如发射分集)带来3dB增益，终端的发射增益为3dBm；因此终端的等效发射功率为23dBm+3dBm＝26dBm；
步骤3、终端确定补偿参数，所述补偿参数为第一功率值和0之中的最大值；所述第一功率值表征小区允许的最大发射功率与所述终端的等效发射功率的差值；则补偿参数＝max(23-26，0)＝0dB；
步骤4、终端测量得到RSRP，根据测量的RSRP和小区选择需要的最低允许的RSRP(即上述实施例中的第一门限值)确定是否满足小区选择准则；若测量的RSRP-允许的最低RSRP值-补偿参数-其他偏移量>0，则满足小区选择准则，可以驻留在该小区；否则，则不可以驻留在该小区。
示例四
步骤1、小区的基站广播系统消息，系统消息中包括允许的最大发射功率为23dBm；
步骤2、终端确定等效RSRP，所述等效RSRP为：终端测量的RSRP+终端的发射增益；终端发射增益时由于时域重复发送得到的，发射增益为3dBm；
例如，终端测量的RSRP＝-100dBm，发射增益为3dBm，则等效RSRP为-100dBm+3dB＝-97dBm；
步骤3、终端的等效发射功率20dBm，则确定补偿参数，所述补偿参数为第一功率值和0之中的最大值；所述第一功率值表征小区允许的最大发射功率与所述终端的等效发射功率的差值；则补偿参数＝max(23-20，0)＝3dBm；
步骤4、根据等效RSRP和小区选择需要的允许的最低RSRP(即上述实施例中的第一门限值)确定是否满足小区选择准则；若等效RSRP-允许 的最低RSRP值-补偿参数-其他偏移量>0，则满足小区选择准则，可以驻留在该小区；否则，则不可以驻留在该小区。
示例五
步骤1、小区的基站广播系统消息，系统消息中包括允许的最大发射功率为23dBm。
步骤2、小区的基站广播系统消息，系统消息中包括用于小区选择所需要的至少两个最低接收RSRP门限(即上述实施例中的第一门限值)，其中：
a)RSRP门限1＝-103dBm，对应于普通终端类型的终端(例如手持终端)、或最大发射功率23dBm的终端；假定普通终端类型的终端(例如手持终端)、或最大发射功率23dBm的终端记为终端类型1；
b)RSRP门限2＝-106dBm，对应于较低或特殊终端类型的终端(例如可穿戴终端)、或最大发射功率20dBm的终端；假定较低或特殊终端类型的终端(例如可穿戴终端)、或最大发射功率20dBm的终端记为终端类型2。
需要说明的是，本示例步骤1和步骤2中，基站可通过同一个系统消息向终端发送允许的最大发射功率和用于小区选择所需要的至少两个最低接收RSRP门限；也可分别通过不同的系统消息分别向终端发送允许的最大发射功率和用于小区选择所需要的至少两个最低接收RSRP门限，本示例中对此不做限定。
步骤3、终端确定补偿参数；所述补偿参数为第一功率值和0之中的最大值；所述第一功率值表征小区允许的最大发射功率与所述终端的等效发射功率的差值；则有：
a)终端类型1的最大发射功率为23dBm，则补偿参数＝max(23-23，0)＝0dBm；
b)终端类型2的最大发射功率为20dBm，则补偿参数＝max(23-20，0)＝3dBm。
步骤4、终端根据自身的类型从步骤2中的至少2个RSRP门限中选择与终端类型对应的门限，确定小区是否满足小区选择准则，若测量的RSRP-允许的最低RSRP值(即上述实施例中的第一门限值)-补偿参数-其他偏移量>0，则满足小区选择准则，可以驻留在该小区；否则，则不可以驻留在该小区。
假设终端1和终端2处于小区的相同位置，测量到的RSRP均为-102dBm；终端1的类型为上述终端类型1，终端2的类型为上述终端类型2；
i.终端1选择对应的RSRP门限1，则有：-102dBm-(-103dBm)＝1>0，满足小区选择准则，可以驻留在该小区；
ii.终端2选择对应的RSRP门限2，则有：-102dBm-(-106dBm)-3dB＝1>0,满足小区选择准则，可以驻留在该小区。
步骤5、小区的基站广播系统消息，系统消息中包括用于选择在补充上行载波发起随机接入的至少两个RSRP门限；其中：
a)门限1对应于普通终端类型的终端(例如手持终端)、或最大发射功率23dBm的终端，即对应于终端类型1；
b)门限2对应于较低或特殊终端类型的终端(例如可穿戴终端)、或最大发射功率20dBm的终端，即对应于终端类型2。
步骤6、终端根据自身的类型从步骤5中的两个门限中选择与终端类型对应的门限，确定是否在补充上行载波上发起随机接入：
a)若终端的类型属于终端类型1，则终端选择对应的门限1，终端测量得到的RSRP大于门限1时，可以在补充上行载波上发起随机接入；否则，在普通上行载波发起随机接入；
b)若终端的类型属于终端类型2，终端选择对应的门限2，终端测量得到的RSRP大于门限2时，可以在补充上行载波上发起随机接入；否则， 在普通上行载波发起随机接入。
步骤7、小区的基站广播系统消息，系统消息中包括用于发起两步随机接入的至少两个RSRP门限，所述至少2个门限分别对应不同类型的终端；其中，
a)门限1对应于普通终端类型的终端(例如手持终端)、或最大发射功率23dBm的终端，即对应于终端类型1；
b)门限2对应于较低或特殊终端类型的终端(例如可穿戴终端)、或最大发射功率20dBm的终端，即对应于终端类型2；
步骤8、终端根据自身的类型从7中的两个门限中选择与终端类型对应的门限，确定是否发起两步随机接入：
a)若终端的类型属于终端类型1，则终端选择对应的门限1，终端测量的RSRP大于门限1时，可以在上行载波上发起两步随机接入，否则在上行载波上发起四步随机接入；
b)若终端的类型属于终端类型2，则终端选择对应的门限2，终端测量的RSRP大于门限2时，可以在上行载波上发起两步随机接入，否则在上行载波上发起四步随机接入。
可以理解的是，通过步骤6可确定发起随机接入的载波是补充上行载波或是普通载波，进一步可通过步骤8执行在确定的补充上行载波或是普通载波发起两步随机接入或是四步随机接入。
示例六
步骤1、小区的基站广播系统消息，系统消息中包括允许的最大发射功率为23dBm；
步骤2、小区的基站广播系统消息，系统消息中包括小区选择所需要的1个最低接收RSRP门限和1个偏移值(即上述实施例中的第一门限参数)，其中：
a)RSRP门限1＝-103dBm，对应于普通终端类型的终端(例如手持终端)、或最大发射功率23dBm的终端；假定普通终端类型的终端(例如手持终端)、或最大发射功率23dBm的终端记为终端类型1；
b)偏移值＝-3dB，门限1和偏移值之和为-106dBm，即RSRP门限2为-106dBm，则对应于较低或特殊终端类型的终端(例如可穿戴终端)、或最大发射功率20dBm的终端；假定较低或特殊终端类型的终端(例如可穿戴终端)、或最大发射功率20dBm的终端记为终端类型2。
需要说明的是，本示例步骤1和步骤2中，基站可通过同一个系统消息向终端发送允许的最大发射功率和用于小区选择所需要的1个最低接收RSRP门限和1个偏移值；也可分别通过不同的系统消息分别向终端发送允许的最大发射功率和用于小区选择所需要的1个最低接收RSRP门限和1个偏移值，本示例中对此不做限定。
步骤3、终端确定补偿参数；所述补偿参数为第一功率值和0之中的最大值；所述第一功率值表征小区允许的最大发射功率与所述终端的等效发射功率的差值；则有：
a)终端类型1的最大发射功率为23dBm，则补偿参数＝max(23-23，0)＝0dBm；
b)终端类型2的最大发射功率为20dBm，则补偿参数＝max(23-20，0)＝3dBm；
步骤4、终端根据自身的类型从步骤2中的至少2个RSRP门限中选择与终端类型对应的门限，确定小区是否满足小区选择准则，若测量的RSRP-允许的最低RSRP值-补偿参数-其他偏移量>0，则满足小区选择准则，可以驻留在该小区；否则，则不可以驻留在该小区。
假设终端1和终端2处于小区相同位置，测量到的RSRP均为-102dBm；终端1的类型为上述终端类型1，终端2的类型为上述终端类型2；
i.终端1选择对应的RSRP门限1：则有-102dBm-(-103dBm)＝1>0，满足小区选择准则，可以驻留在该小区；
ii.终端2选择对应的RSRP门限2：-102dBm-(-106dBm)-3dB＝1>0，满足小区选择准则，可以驻留在该小区。
步骤5、小区的基站广播系统消息，系统消息中包括用于选择在补充上行载波发起随机接入的1个RSRP门限和偏移值，其中：
a)门限1对应于普通终端类型的终端(例如手持终端)、或最大发射功率23dBm的终端，即对应于终端类型1；
b)门限1和偏移值之和得到门限2，门限2对应于较低或特殊终端类型的终端(例如可穿戴终端)、或最大发射功率20dBm的终端，即对应于终端类型2。
步骤6、终端根据自身的类型从步骤5中的两个门限中选择与终端类型对应的门限，确定是否在补充上行载波上发起随机接入：
a)若终端的类型属于终端类型1，则终端选择对应的门限1，终端测量得到的RSRP大于门限1时，可以在补充上行载波上发起随机接入；否则，在普通上行载波发起随机接入；
b)若终端的类型属于终端类型2，终端选择对应的门限2，终端测量得到的RSRP大于门限2时，可以在补充上行载波上发起随机接入；否则，在普通上行载波发起随机接入。
步骤7、小区的基站广播系统消息，系统消息中包括用于发起两步随机接入的1个RSRP门限和1个偏移值；其中：
a)门限1对应于普通终端类型的终端(例如手持终端)、或最大发射功率23dBm的终端，即对应于终端类型1；
b)门限1和偏移值之和得到门限2，门限2对应于较低或特殊终端类型的终端(例如可穿戴终端)、或最大发射功率20dBm的终端，即对应于终 端类型2；
步骤8、终端根据自身的类型从7中的两个门限中选择与终端类型对应的门限，确定是否发起两步随机接入：
a)若终端的类型属于终端类型1，则终端选择对应的门限1，终端测量的RSRP大于门限1时，可以在上行载波上发起两步随机接入，否则在上行载波上发起四步随机接入；
b)若终端的类型属于终端类型2，则终端选择对应的门限2，终端测量的RSRP大于门限2时，可以在上行载波上发起两步随机接入，否则在上行载波上发起四步随机接入。
本公开实施例还提供了一种终端。图4为本公开实施例的终端的组成结构示意图；如图4所示，所述终端包括：第一确定单元21、判断单元22和第二确定单元23；其中，
所述第一确定单元21，配置为确定第一参数、补偿参数、第二参数和门限值，所述第一参数表征RSRP；所述补偿参数为第一功率值和0之中的最大值；所述第一功率值表征小区允许的最大发射功率与所述终端的等效发射功率的差值；所述第二参数表征RSRQ；所述门限值包括第一门限值和第二门限值；
所述判断单元22，配置为基于所述第一参数、所述补偿参数和所述第一门限值判断是否满足第一条件，以及根据所述第二参数和所述第二门限值判断是否满足第二条件；
所述第二确定单元23，配置为根据所述判断单元22的判断结果确定所述小区是否满足小区接入或驻留条件。
在本公开的一些可选实施例中，所述RSRP包括所述终端测量得到的RSRP或者等效RSRP。
在本公开的一些可选实施例中，所述判断单元22，配置为判断所述第 一参数、所述补偿参数、所述第一门限值、第一偏移参数的差值是否大于零；还配置为判断所述第二参数、所述第二门限值和第二偏移参数的差值是否大于零。
在本公开的一些可选实施例中，所述等效发射功率包括以下至少之一：
终端单天线端口可达到的最大发射功率、或单天线端口的发射功率等级对应的最大发射功率；
终端一个射频通道或一个功放可到达的最大发射功率、或一个射频通道或一个功放的发射功率等级对应的最大发射功率；
终端处于空闲态和/或去激活态可达到的最大发射功率、或终端处于空闲态和/或去激活态的发射功率等级对应的最大发射功率；
终端发起小区接入或小区驻留过程中可达到的最大发射功率、或终端发起小区接入或小区驻留过程中的发射功率等级对应的最大发射功率；
终端的发射功率等级对应的最大发射功率；
终端单天线端口可达到的最大发射功率与发射增益或补偿值之和、或单天线端口的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
终端一个射频通道或一个功放可到达的最大发射功率与发射增益或补偿值之和、或一个射频通道或一个功放的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
终端处于空闲态和/或去激活态可达到的最大发射功率与发射增益或补偿值之和、或终端处于空闲态和/或去激活态的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
终端发起小区接入或小区驻留过程中可达到的最大发射功率与发射增益或补偿值之和、或终端发起小区接入或小区驻留过程中的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
终端的发射功率等级对应的最大发射功率与发射增益或补偿值之和。
在本公开的一些可选实施例中，所述第一确定单元21，配置为将测量得到的RSRP与发射增益或补偿值加和处理，得到等效RSRP。
在本公开的一些可选实施例中，所述发射增益或补偿值，包括以下至少之一：重复传输增益或补偿值；
天线增益或补偿值；
传输方式增益或补偿值。
在本公开的一些可选实施例中，所述终端还包括第一获取单元，配置为所述第一确定单元21确定门限值之前，获得网络设备发送的至少两个第一门限参数；所述至少两个第一门限参数用于小区选择；其中，所述至少两个第一门限参数对应不同类型的终端；所述至少两个第一门限参数至少包括各类型的终端对应的至少两个门限值、或者一个门限值和各类型的终端对应的偏移值。
在本公开的一些可选实施例中，所述第一确定单元21，配置为从所述至少两个第一门限参数中包括的至少两个门限值中选择与所述终端的类型对应的第一门限值；或者，根据所述至少两个第一门限参数中包括的一个门限值和各类型的终端对应的偏移值，选择与所述终端的类型对应的偏移值，根据所述一个门限值和选择的偏移值得到所述第一门限值。
在本公开的一些可选实施例中，所述终端还包括第二获取单元，配置为获得网络设备发送的至少两个第二门限参数；所述至少两个第二门限参数用于选择在补充上行载波发起随机接入；或者，获得网络设备发送的至少两个第三门限参数；所述至少两个第三门限参数用于在一个或多个上行载波发起两步随机接入；
其中，所述至少两个第二门限参数或所述至少两个第三门限参数对应不同类型的终端；所述至少两个第二门限参数或所述至少两个第三门限参 数至少包括各类型的终端对应的至少两个门限值、或者一个门限值和各类型的终端对应的偏移值。
在本公开的一些可选实施例中，所述第一确定单元21，还配置为确定第二门限值；
所述第二确定单元23，还配置为根据测量得到的RSRP和所述第二门限值，确定是否在所述补充上行载波发起随机接入。
在本公开的一些可选实施例中，所述第一确定单元21，还配置为确定第三门限值；
所述第二确定单元23，还配置为根据测量得到的RSRP和所述第三门限值，确定是否在所述第三门限值对应的上行载波发起两步随机接入。
在本公开的一些可选实施例中，所述第二确定单元23，配置为当测量得到的RSRP大于所述第二门限值时，确定在所述补充上行载波发起随机接入；当测量得到的RSRP不大于所述第二门限值时，确定在普通上行载波发起随机接入。
在本公开的一些可选实施例中，所述第二确定单元23，配置为当测量得到的RSRP大于所述第三门限值时，确定在所述第三门限值对应的上行载波发起两步随机接入；当测量得到的RSRP不大于所述第三门限值时，确定在所述第三门限值对应的上行载波发起四步随机接入。
本公开实施例中，所述终端中的第一确定单元21、判断单元22和第二确定单元23，在实际应用中均可由所述终端中的中央处理器(CPU，Central Processing Unit)、数字信号处理器(DSP，Digital Signal Processor)、微控制单元(MCU，Microcontroller Unit)或可编程门阵列(FPGA，Field－Programmable Gate Array)实现；所述终端中的第一获取单元和第二获取单元，在实际应用中可通过通信模组(包含：基础通信套件、操作系统、通信模块、标准化接口和协议等)及收发天线实现。
需要说明的是：上述实施例提供的终端在进行终端接入时，仅以上述各程序模块的划分进行举例说明，实际应用中，可以根据需要而将上述处理分配由不同的程序模块完成，即将终端的内部结构划分成不同的程序模块，以完成以上描述的全部或者部分处理。另外，上述实施例提供的终端与终端接入方法实施例属于同一构思，其具体实现过程详见方法实施例，这里不再赘述。
本公开实施例还提供了一种终端，图5为本公开实施例的终端的硬件组成结构示意图，如图5所示，终端包括存储器32、处理器31及存储在存储器32上并可在处理器31上运行的计算机程序，所述处理器31执行所述程序时实现本公开实施例所述终端接入方法的步骤。
可选地，终端中还可包括一个或多个网络接口33。终端中的各个组件通过总线系统34耦合在一起。可理解，总线系统34用于实现这些组件之间的连接通信。总线系统34除包括数据总线之外，还包括电源总线、控制总线和状态信号总线。但是为了清楚说明起见，在图5中将各种总线都标为总线系统34。
可以理解，存储器32可以是易失性存储器或非易失性存储器，也可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(ROM，Read Only Memory)、可编程只读存储器(PROM，Programmable Read-Only Memory)、可擦除可编程只读存储器(EPROM，Erasable Programmable Read-Only Memory)、电可擦除可编程只读存储器(EEPROM，Electrically Erasable Programmable Read-Only Memory)、磁性随机存取存储器(FRAM，Ferromagnetic Random Access Memory)、快闪存储器(Flash Memory)、磁表面存储器、光盘、或只读光盘(CD-ROM，Compact Disc Read-Only Memory)；磁表面存储器可以是磁盘存储器或磁带存储器。易失性存储器可以是随机存取存储器(RAM，Random Access Memory)，其用作 外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(SRAM，Static Random Access Memory)、同步静态随机存取存储器(SSRAM，Synchronous Static Random Access Memory)、动态随机存取存储器(DRAM，Dynamic Random Access Memory)、同步动态随机存取存储器(SDRAM，Synchronous Dynamic Random Access Memory)、双倍数据速率同步动态随机存取存储器(DDRSDRAM，Double Data Rate Synchronous Dynamic Random Access Memory)、增强型同步动态随机存取存储器(ESDRAM，Enhanced Synchronous Dynamic Random Access Memory)、同步连接动态随机存取存储器(SLDRAM，SyncLink Dynamic Random Access Memory)、直接内存总线随机存取存储器(DRRAM，Direct Rambus Random Access Memory)。本公开实施例描述的存储器32旨在包括但不限于这些和任意其它适合类型的存储器。
上述本公开实施例揭示的方法可以应用于处理器31中，或者由处理器31实现。处理器31可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法的各步骤可以通过处理器31中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器31可以是通用处理器、DSP，或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。处理器31可以实现或者执行本公开实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者任何常规的处理器等。结合本公开实施例所公开的方法的步骤，可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于存储介质中，该存储介质位于存储器32，处理器31读取存储器32中的信息，结合其硬件完成前述方法的步骤。
在示例性实施例中，终端可以被一个或多个应用专用集成电路(ASIC，Application Specific Integrated Circuit)、DSP、可编程逻辑器件(PLD， Programmable Logic Device)、复杂可编程逻辑器件(CPLD，Complex Programmable Logic Device)、FPGA、通用处理器、控制器、MCU、微处理器(Microprocessor)、或其他电子元件实现，用于执行前述方法。
在示例性实施例中，本公开实施例还提供了一种计算机可读存储介质，例如包括计算机程序的存储器32，上述计算机程序可由终端的处理器31执行，以完成前述方法所述步骤。计算机可读存储介质可以是FRAM、ROM、PROM、EPROM、EEPROM、Flash Memory、磁表面存储器、光盘、或CD-ROM等存储器；也可以是包括上述存储器之一或任意组合的各种设备。
本公开实施例提供的计算机可读存储介质，其上存储有计算机程序，该程序被处理器执行时实现本公开实施例所述终端接入方法的步骤。
本申请所提供的几个方法实施例中所揭露的方法，在不冲突的情况下可以任意组合，得到新的方法实施例。
本申请所提供的几个产品实施例中所揭露的特征，在不冲突的情况下可以任意组合，得到新的产品实施例。
本申请所提供的几个方法或设备实施例中所揭露的特征，在不冲突的情况下可以任意组合，得到新的方法实施例或设备实施例。
在本申请所提供的几个实施例中，应该理解到，所揭露的设备和方法，可以通过其它的方式实现。以上所描述的设备实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，如：多个单元或组件可以结合，或可以集成到另一个系统，或一些特征可以忽略，或不执行。另外，所显示或讨论的各组成部分相互之间的耦合、或直接耦合、或通信连接可以是通过一些接口，设备或单元的间接耦合或通信连接，可以是电性的、机械的或其它形式的。
上述作为分离部件说明的单元可以是、或也可以不是物理上分开的，作为单元显示的部件可以是、或也可以不是物理单元，即可以位于一个地 方，也可以分布到多个网络单元上；可以根据实际的需要选择其中的部分或全部单元来实现本实施例方案的目的。
另外，在本公开各实施例中的各功能单元可以全部集成在一个处理单元中，也可以是各单元分别单独作为一个单元，也可以两个或两个以上单元集成在一个单元中；上述集成的单元既可以采用硬件的形式实现，也可以采用硬件加软件功能单元的形式实现。
本领域普通技术人员可以理解：实现上述方法实施例的全部或部分步骤可以通过程序指令相关的硬件来完成，前述的程序可以存储于一计算机可读取存储介质中，该程序在执行时，执行包括上述方法实施例的步骤；而前述的存储介质包括：移动存储设备、ROM、RAM、磁碟或者光盘等各种可以存储程序代码的介质。
或者，本公开上述集成的单元如果以软件功能模块的形式实现并作为独立的产品销售或使用时，也可以存储在一个计算机可读取存储介质中。基于这样的理解，本公开实施例的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机、服务器、或者网络设备等)执行本公开各个实施例所述方法的全部或部分。而前述的存储介质包括：移动存储设备、ROM、RAM、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本公开的具体实施方式，但本公开的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本公开揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本公开的保护范围之内。因此，本公开的保护范围应以所述权利要求的保护范围为准。

Claims (32)

  1. 一种终端接入方法，所述方法包括：
    终端确定第一参数、补偿参数、第二参数和门限值，所述第一参数表征参考信号接收功率RSRP；所述补偿参数为第一功率值和0之中的最大值；所述第一功率值表征小区允许的最大发射功率与所述终端的等效发射功率的差值；所述第二参数表征参考信号接收质量RSRQ；所述门限值包括第一门限值和第二门限值；
    所述终端基于所述第一参数、所述补偿参数和所述第一门限值判断是否满足第一条件，以及根据所述第二参数和所述第二门限值判断是否满足第二条件；根据判断结果确定所述小区是否满足小区接入或驻留条件。
  2. 根据权利要求1所述的方法，其中，所述RSRP包括所述终端测量得到的RSRP或者等效RSRP。
  3. 根据权利要求1所述的方法，其中，所述终端基于所述第一参数、所述补偿参数和所述第一门限值判断是否满足第一条件，包括：
    所述终端判断所述第一参数、所述补偿参数、所述第一门限值、第一偏移参数的差值是否大于零；
    所述根据所述第二参数和所述第二门限值判断是否满足第二条件，包括：
    所述终端判断所述第二参数、所述第二门限值和第二偏移参数的差值是否大于零。
  4. 根据权利要求1所述的方法，其中，所述等效发射功率包括以下至少之一：
    终端单天线端口可达到的最大发射功率、或单天线端口的发射功率等级对应的最大发射功率；
    终端一个射频通道或一个功放可到达的最大发射功率、或一个射频通 道或一个功放的发射功率等级对应的最大发射功率；
    终端处于空闲态和/或去激活态可达到的最大发射功率、或终端处于空闲态和/或去激活态的发射功率等级对应的最大发射功率；
    终端发起小区接入或小区驻留过程中可达到的最大发射功率、或终端发起小区接入或小区驻留过程中的发射功率等级对应的最大发射功率；
    终端的发射功率等级对应的最大发射功率；
    终端单天线端口可达到的最大发射功率与发射增益或补偿值之和、或单天线端口的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
    终端一个射频通道或一个功放可到达的最大发射功率与发射增益或补偿值之和、或一个射频通道或一个功放的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
    终端处于空闲态和/或去激活态可达到的最大发射功率与发射增益或补偿值之和、或终端处于空闲态和/或去激活态的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
    终端发起小区接入或小区驻留过程中可达到的最大发射功率与发射增益或补偿值之和、或终端发起小区接入或小区驻留过程中的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
    终端的发射功率等级对应的最大发射功率与发射增益或补偿值之和。
  5. 根据权利要求2所述的方法，其中，终端获得等效RSRP，包括：
    所述终端将测量得到的RSRP与发射增益或补偿值加和处理，得到等效RSRP。
  6. 根据权利要求4或5所述的方法，其中，所述发射增益或补偿值，包括以下至少之一：
    重复传输增益或补偿值；
    天线增益或补偿值；
    传输方式增益或补偿值。
  7. 根据权利要求1所述的方法，其中，终端确定门限值之前，所述方法还包括：
    所述终端获得网络设备发送的至少两个第一门限参数；所述至少两个第一门限参数用于小区选择；
    其中，所述至少两个第一门限参数对应不同类型的终端；所述至少两个第一门限参数至少包括各类型的终端对应的至少两个门限值、或者一个门限值和各类型的终端对应的偏移值。
  8. 根据权利要求7所述的方法，其中，终端确定第一门限值，包括：
    所述终端从所述至少两个第一门限参数中包括的至少两个门限值中选择与所述终端的类型对应的第一门限值；或者，
    所述终端根据所述至少两个第一门限参数中包括的一个门限值和各类型的终端对应的偏移值，选择与所述终端的类型对应的偏移值，根据所述一个门限值和选择的偏移值得到所述第一门限值。
  9. 根据权利要求1所述的方法，其中，所述方法还包括：
    所述终端获得网络设备发送的至少两个第二门限参数；所述至少两个第二门限参数用于选择在补充上行载波发起随机接入；或者，
    所述终端获得网络设备发送的至少两个第三门限参数；所述至少两个第三门限参数用于在一个或多个上行载波发起两步随机接入；
    其中，所述至少两个第二门限参数或所述至少两个第三门限参数对应不同类型的终端；所述至少两个第二门限参数或所述至少两个第三门限参数至少包括各类型的终端对应的至少两个门限值、或者一个门限值和各类型的终端对应的偏移值。
  10. 根据权利要求9所述的方法，其中，所述方法还包括：
    所述终端确定第二门限值，根据测量得到的RSRP和所述第二门限值，确定是否在所述补充上行载波发起随机接入。
  11. 根据权利要求9所述的方法，其中，所述方法还包括：
    所述终端确定第三门限值，根据测量得到的RSRP和所述第三门限值，确定是否在所述第三门限值对应的上行载波发起两步随机接入。
  12. 根据权利要求10所述的方法，其中，所述根据测量得到的RSRP和所述第二门限值，确定是否在所述补充上行载波发起随机接入，包括：
    当测量得到的RSRP大于所述第二门限值时，确定在所述补充上行载波发起随机接入；
    当测量得到的RSRP不大于所述第二门限值时，确定在普通上行载波发起随机接入。
  13. 根据权利要求11所述的方法，其中，所述根据测量得到的RSRP和所述第三门限值，确定是否在所述第三门限值对应的上行载波发起两步随机接入，包括：
    当测量得到的RSRP大于所述第三门限值时，确定在所述第三门限值对应的上行载波发起两步随机接入；
    当测量得到的RSRP不大于所述第三门限值时，确定在所述第三门限值对应的上行载波发起四步随机接入。
  14. 根据权利要求10所述的方法，其中，所述终端确定第二门限值，包括：所述终端从所述至少两个第二门限参数包括的至少两个门限值中选择与所述终端的类型对应的第二门限值；或者，
    所述终端根据所述至少两个第二门限参数包括的一个门限值和各类型的终端对应的偏移值，选择与所述终端的类型对应的偏移值，根据所述一个门限值和选择的偏移值得到所述第二门限值。
  15. 根据权利要求11所述的方法，其中，所述终端确定第三门限值， 包括：所述终端从所述至少两个第三门限参数包括的至少两个门限值中选择与所述终端的类型对应的第三门限值；或者，
    所述终端根据所述至少两个第三门限参数包括的一个门限值和各类型的终端对应的偏移值，选择与所述终端的类型对应的偏移值，根据所述一个门限值和选择的偏移值得到所述第三门限值。
  16. 一种终端，所述终端包括：第一确定单元、判断单元和第二确定单元；其中，
    所述第一确定单元，配置为确定第一参数、补偿参数、第二参数和门限值，所述第一参数表征RSRP；所述补偿参数为第一功率值和0之中的最大值；所述第一功率值表征小区允许的最大发射功率与所述终端的等效发射功率的差值；所述第二参数表征RSRQ；所述门限值包括第一门限值和第二门限值；
    所述判断单元，配置为基于所述第一参数、所述补偿参数和所述第一门限值判断是否满足第一条件，以及根据所述第二参数和所述第二门限值判断是否满足第二条件；
    所述第二确定单元，配置为根据所述判断单元的判断结果确定所述小区是否满足小区接入或驻留条件。
  17. 根据权利要求16所述的终端，其中，所述RSRP包括所述终端测量得到的RSRP或者等效RSRP。
  18. 根据权利要求16所述的终端，其中，所述判断单元，配置为判断所述第一参数、所述补偿参数、所述第一门限值、第一偏移参数的差值是否大于零；还配置为判断所述第二参数、所述第二门限值和第二偏移参数的差值是否大于零。
  19. 根据权利要求16所述的终端，其中，所述等效发射功率包括以下至少之一：
    终端单天线端口可达到的最大发射功率、或单天线端口的发射功率等级对应的最大发射功率；
    终端一个射频通道或一个功放可到达的最大发射功率、或一个射频通道或一个功放的发射功率等级对应的最大发射功率；
    终端处于空闲态和/或去激活态可达到的最大发射功率、或终端处于空闲态和/或去激活态的发射功率等级对应的最大发射功率；
    终端发起小区接入或小区驻留过程中可达到的最大发射功率、或终端发起小区接入或小区驻留过程中的发射功率等级对应的最大发射功率；
    终端的发射功率等级对应的最大发射功率；
    终端单天线端口可达到的最大发射功率与发射增益或补偿值之和、或单天线端口的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
    终端一个射频通道或一个功放可到达的最大发射功率与发射增益或补偿值之和、或一个射频通道或一个功放的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
    终端处于空闲态和/或去激活态可达到的最大发射功率与发射增益或补偿值之和、或终端处于空闲态和/或去激活态的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
    终端发起小区接入或小区驻留过程中可达到的最大发射功率与发射增益或补偿值之和、或终端发起小区接入或小区驻留过程中的发射功率等级对应的最大发射功率与发射增益或补偿值之和；
    终端的发射功率等级对应的最大发射功率与发射增益或补偿值之和。
  20. 根据权利要求17所述的终端，其中，所述第一确定单元，配置为将测量得到的RSRP与发射增益或补偿值加和处理，得到等效RSRP。
  21. 根据权利要求19或20所述的终端，其中，所述发射增益或补偿 值，包括以下至少之一：
    重复传输增益或补偿值；
    天线增益或补偿值；
    传输方式增益或补偿值。
  22. 根据权利要求16所述的终端，其中，所述终端还包括第一获取单元，配置为所述第一确定单元确定门限值之前，获得网络设备发送的至少两个第一门限参数；所述至少两个第一门限参数用于小区选择；其中，所述至少两个第一门限参数对应不同类型的终端；所述至少两个第一门限参数至少包括各类型的终端对应的至少两个门限值、或者一个门限值和各类型的终端对应的偏移值。
  23. 根据权利要求22所述的终端，其中，所述第一确定单元，配置为从所述至少两个第一门限参数中包括的至少两个门限值中选择与所述终端的类型对应的第一门限值；或者，根据所述至少两个第一门限参数中包括的一个门限值和各类型的终端对应的偏移值，选择与所述终端的类型对应的偏移值，根据所述一个门限值和选择的偏移值得到所述第一门限值。
  24. 根据权利要求16所述的终端，其中，所述终端还包括第二获取单元，配置为获得网络设备发送的至少两个第二门限参数；所述至少两个第二门限参数用于选择在补充上行载波发起随机接入；或者，获得网络设备发送的至少两个第三门限参数；所述至少两个第三门限参数用于在一个或多个上行载波发起两步随机接入；
    其中，所述至少两个第二门限参数或所述至少两个第三门限参数对应不同类型的终端；所述至少两个第二门限参数或所述至少两个第三门限参数至少包括各类型的终端对应的至少两个门限值、或者一个门限值和各类型的终端对应的偏移值。
  25. 根据权利要求24所述的终端，其中，所述第一确定单元，还配置 为确定第二门限值；
    所述第二确定单元，还配置为根据测量得到的RSRP和所述第二门限值，确定是否在所述补充上行载波发起随机接入。
  26. 根据权利要求24所述的终端，其中，所述第一确定单元，还配置为确定第三门限值；
    所述第二确定单元，还配置为根据测量得到的RSRP和所述第三门限值，确定是否在所述第三门限值对应的上行载波发起两步随机接入。
  27. 根据权利要求25所述的终端，其中，所述第二确定单元，配置为当测量得到的RSRP大于所述第二门限值时，确定在所述补充上行载波发起随机接入；当测量得到的RSRP不大于所述第二门限值时，确定在普通上行载波发起随机接入。
  28. 根据权利要求26所述的终端，其中，所述第二确定单元，配置为当测量得到的RSRP大于所述第三门限值时，确定在所述第三门限值对应的上行载波发起两步随机接入；当测量得到的RSRP不大于所述第三门限值时，确定在所述第三门限值对应的上行载波发起四步随机接入。
  29. 根据权利要求25所述的终端，其中，所述第一确定单元，配置为从所述至少两个第二门限参数包括的至少两个门限值中选择与所述终端的类型对应的第二门限值；或者，根据所述至少两个第二门限参数包括的一个门限值和各类型的终端对应的偏移值，选择与所述终端的类型对应的偏移值，根据所述一个门限值和选择的偏移值得到所述第二门限值。
  30. 根据权利要求26所述的终端，其中，所述第一确定单元，配置为从所述至少两个第三门限参数包括的至少两个门限值中选择与所述终端的类型对应的第三门限值；或者，根据所述至少两个第三门限参数包括的一个门限值和各类型的终端对应的偏移值，选择与所述终端的类型对应的偏移值，根据所述一个门限值和选择的偏移值得到所述第三门限值。
  31. 一种计算机可读存储介质，其上存储有计算机程序，该程序被处理器执行时实现权利要求1至15任一项所述方法的步骤。
  32. 一种终端，包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，所述处理器执行所述程序时实现权利要求1至15任一项所述方法的步骤。
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