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WO2018192310A1 - Procédé de configuration de paramètres de canal d'accès aléatoire physique, procédé de sélection d'informations pour des paramètres de canal d'accès aléatoire physique, dispositif côté réseau et terminal - Google Patents

Procédé de configuration de paramètres de canal d'accès aléatoire physique, procédé de sélection d'informations pour des paramètres de canal d'accès aléatoire physique, dispositif côté réseau et terminal Download PDF

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Publication number
WO2018192310A1
WO2018192310A1 PCT/CN2018/078016 CN2018078016W WO2018192310A1 WO 2018192310 A1 WO2018192310 A1 WO 2018192310A1 CN 2018078016 W CN2018078016 W CN 2018078016W WO 2018192310 A1 WO2018192310 A1 WO 2018192310A1
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WIPO (PCT)
Prior art keywords
random access
access channel
physical random
channel parameter
information
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Ceased
Application number
PCT/CN2018/078016
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English (en)
Chinese (zh)
Inventor
李男
陈宁宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
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 WO2018192310A1 publication Critical patent/WO2018192310A1/fr
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Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • 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 communications technologies, and in particular, to a method for configuring physical random access channel parameters, a network side device, and a terminal.
  • the 3GPP (3rd Generation Partnership Project) specification defines two types of power for eMTC terminals, such as power class 3 (23dBm) and power class. 5 (20dBm); three power levels are defined for narrowband IoT NB-IoT terminals, power class 3 (23dBm), power class 5 (20dBm) and power class 6 (14dBm).
  • Different terminal power levels correspond to different terminal maximum transmit powers. It is necessary to configure reasonable physical random access channel parameter information for different power level eMTC terminals or NB-IoT terminals under different coverage conditions, so that the terminal can select appropriate physical random access channel parameters according to its own power level, and succeed. Initiate a random access request.
  • the present disclosure provides a method for configuring physical random access channel parameters, a network side device, and a terminal. It can effectively support the terminal to configure reasonable physical random access channel resource configuration information for terminals of different power levels when there are multiple power levels of the terminal, and satisfy the normal reception of the random access request of the terminal under different network coverage.
  • An embodiment of the present disclosure provides a method for configuring physical random access channel parameters, including:
  • the network side sends a physical random access channel parameter list selection threshold information, physical random access channel parameter list information, and physical random access channel parameter information.
  • the method for configuring physical random access channel parameters further includes:
  • the network side sends a physical random access channel parameter list selection threshold information list information.
  • the physical random access channel parameter list selection threshold list information is used to instruct the terminal to read the corresponding physical random access channel parameter list selection threshold information.
  • the physical random access channel parameter list selection threshold list information is used to indicate that the terminal reads the physical random access channel parameter list selection threshold list information corresponding to the power level according to its own power level.
  • the physical random access channel parameter list selects threshold information.
  • the physical random access channel parameter list selection threshold information includes a set of physical random access channel parameter list selection threshold values, and the number of physical random access channel parameter list selection threshold values is enhanced by coverage The number of levels is determined.
  • the number of physical random access channel parameter list selection threshold information included in the physical random access channel parameter list selection threshold list information is determined by the number of terminal power levels.
  • the correspondence between the physical random access channel parameter list selection threshold list information and the terminal power level is as follows:
  • the physical random access channel parameter list selection threshold list information includes a physical random access channel parameter list selection threshold information corresponding to the terminal power level.
  • the physical random access channel parameter list selection threshold information in the physical random access channel parameter list selection threshold list information sequence is corresponding to the terminal power level, and specifically includes:
  • the Nth physical random access channel parameter list selection threshold information terminal power level M corresponding to the physical random access channel parameter list selection threshold list information corresponds to;
  • the values of N and M are both ⁇ 1...maxPower-Class ⁇ , and maxPower-Class is the number of terminal power levels.
  • the number of the terminal power levels is: a preset number of terminal power levels, or a maximum number of terminal power levels defined in the standard, or a number of terminal power levels actually used by the terminal.
  • the physical random access channel parameter list selection threshold information is used to indicate that the terminal selects threshold information according to the measured value of the received power of the reference signal or the synchronization signal of the network side, and the physical random access channel parameter list.
  • the included physical random access channel parameter list selects a threshold value, and determines a coverage enhancement level at which the terminal is located.
  • the physical random access channel parameter list information is used to indicate that the terminal reads the physical random access channel corresponding to the coverage enhancement level in the physical random access channel parameter list information according to the determined coverage enhancement level. Parameter information.
  • the threshold is determined by the network side according to a maximum coupling loss between the base station and the terminal allowed by different coverage enhancement levels, and a reference power of the network side or a transmission power of the synchronization signal.
  • the threshold is equal to P RStx -MCL N +P offset ;
  • the MCL N is the maximum coupling loss value between the base station and the terminal allowed by the network side coverage enhancement level N
  • the P RStx is the transmission power value of the network side reference signal or the synchronization signal, and the P offset configurable threshold margin.
  • the number of physical random access channel parameter information is a preset value
  • the preset value is equal to the number of coverage enhancement levels
  • the preset value is equal to the number of coverage enhancement levels multiplied by the number of terminal power levels
  • the preset value is equal to the number of physical random access channel parameter list selection thresholds included in the physical random access channel parameter list selection threshold information plus one.
  • the physical random access channel parameter information includes: a frequency offset sent by the physical random access channel, a starting subframe number sent by the physical random access channel, a random access request maximum number of attempts, and/or a physical Random access channel pilot code repetition number.
  • the maximum number of attempts of the random access request and the number of repetitions of the pilot code of the physical random access channel are determined by the network side according to the coverage enhancement level of the terminal, or by the network side according to the terminal power level and the terminal.
  • the coverage enhancement level is determined.
  • An embodiment of the present disclosure further provides a method for selecting physical random access channel parameter information, including:
  • the terminal receives the physical random access channel parameter list selection threshold information, the physical random access channel parameter list information, and the physical random access channel parameter information sent by the network side.
  • the method for selecting physical random access channel parameter information further includes:
  • the terminal receives the physical random access channel parameter list selection threshold list information sent by the network side.
  • the method for selecting physical random access channel parameter information further includes:
  • the terminal reads the physical random access channel parameter list selection threshold information corresponding to the power level in the physical random access channel parameter list selection threshold list information according to its own power level.
  • the method for selecting physical random access channel parameter information further includes:
  • the terminal selects the threshold information according to the measured value of the received power of the reference signal or the synchronization signal of the network side and the read physical random access channel parameter list, and determines the coverage enhancement level of the terminal.
  • the method for selecting physical random access channel parameter information further includes:
  • the terminal reads a set of physical random access channel parameter list selection thresholds included in the physical random access channel parameter list selection threshold information, and compares the measured value of the reference power of the network side or the received power of the synchronization signal with The physical random access channel parameter list selection threshold is compared to determine a coverage enhancement level of the terminal.
  • the method for selecting physical random access channel parameter information further includes:
  • the terminal If the measured value of the received power of the reference signal or the synchronization signal of the network side is smaller than the physical random access channel parameter list selection threshold corresponding to the coverage enhancement level N in the physical random access channel parameter list selection threshold information, The terminal considers that it is in coverage enhancement level N;
  • N ranges from ⁇ 1...maxCE-Level ⁇
  • maxCE-Level is the number of coverage enhancement levels or the maximum coverage level.
  • the method for selecting physical random access channel parameter information further includes:
  • the terminal If the measured value of the received power of the reference signal or the synchronization signal of the network side is greater than the physical random access channel parameter list selection threshold corresponding to the coverage enhancement level M in the physical random access channel parameter list selection threshold information, The terminal considers it to be in coverage enhancement level M;
  • the value range of M is ⁇ 1...maxCE-Level ⁇ , and maxCE-Level is the number of coverage enhancement levels or the maximum coverage level.
  • the method for selecting physical random access channel parameter information further includes:
  • the terminal determines the coverage enhancement level of the terminal according to the power value corresponding to the reference power level and the power value corresponding to its own power level, and the physical random access channel parameter list selection threshold information.
  • the method for selecting physical random access channel parameter information further includes:
  • the terminal determines the coverage enhancement level of the terminal according to the maximum transmit power value of the terminal and the power value corresponding to its own power level, and the physical random access channel parameter list selection threshold information.
  • the terminal considers that it is at the coverage enhancement level N;
  • N ranges from ⁇ 1...maxCE-Level ⁇
  • maxCE-Level is the number of coverage enhancement levels or the maximum coverage level.
  • the terminal considers that it is in the coverage enhancement level N;
  • N ranges from ⁇ 1...maxCE-Level ⁇
  • maxCE-Level is the number of coverage enhancement levels or the maximum coverage level.
  • the terminal considers that it is at the coverage enhancement level N;
  • N ranges from ⁇ 1...maxCE-Level ⁇
  • maxCE-Level is the number of coverage enhancement levels or the maximum coverage level.
  • the terminal considers that it is in the coverage enhancement level N;
  • N ranges from ⁇ 1...maxCE-Level ⁇
  • maxCE-Level is the number of coverage enhancement levels or the maximum coverage level.
  • the method for selecting physical random access channel parameter information further includes:
  • the power compensation value is equal to a difference between a power value corresponding to the reference power level and a power value corresponding to the power level of the terminal;
  • the power compensation value is equal to a difference between a maximum transmit power value of the terminal in the cell and a power value corresponding to the power level of the terminal itself.
  • the method for selecting physical random access channel parameter information further includes:
  • the terminal reads the physical random access channel parameter information corresponding to the coverage enhancement level in the physical random access channel parameter list information according to the determined coverage enhancement level.
  • the method for selecting physical random access channel parameter information further includes:
  • the terminal initiates a random access request according to the physical random access channel parameter information.
  • An embodiment of the present disclosure further provides a network side device, including:
  • a sending module configured to send a physical random access channel parameter list selection threshold information, physical random access channel parameter list information, and physical random access channel parameter information; or send a physical random access channel parameter list selection threshold list information, Sending a physical random access channel parameter list selection threshold information, physical random access channel parameter list information, and physical random access channel parameter information.
  • An embodiment of the present disclosure further provides a terminal, including:
  • a receiving module configured to receive physical random access channel parameter list selection threshold information, physical random access channel parameter list information, and physical random access channel parameter information sent by the network side; or to receive a physical random access channel parameter list selection Threshold list information, transmission physical random access channel parameter list selection threshold information, physical random access channel parameter list information, and physical random access channel parameter information.
  • FIG. 1 is a schematic flowchart of a method for selecting parameter information of a terminal side physical random access channel according to a third embodiment of the present disclosure.
  • a first embodiment of the present disclosure provides a method for configuring physical random access channel parameters, including:
  • the network side sends a physical random access channel parameter list selection threshold information, physical random access channel parameter information, and a physical random access channel parameter list selection threshold list information.
  • the physical random access channel parameter list selection threshold list information is used to instruct the terminal to read the corresponding physical random access channel parameter list selection threshold information.
  • the physical random access channel parameter list selection threshold list information is further used to instruct the terminal to read the physical random access corresponding to the power level in the physical random access channel parameter list selection threshold list information according to its own power level. Enter the channel parameter list to select the threshold information.
  • the physical random access channel parameter list selection threshold information is used to indicate the measured value of the received power of the reference signal or the synchronization signal of the network side, and the physical random access read by the terminal.
  • the channel parameter list selects a threshold value included in the threshold information, and determines a coverage enhancement level of the terminal;
  • the physical random access channel parameter information is used to indicate that the terminal reads the resource configuration of the physical random access channel corresponding to the determined coverage enhancement level according to the determined coverage enhancement level.
  • the physical random access channel parameter list selection threshold list information is a sequence, and the number of first information units included in the sequence is determined by the number of terminal power levels, the first The information element selects threshold information for the physical random access channel parameter list.
  • the correspondence between the threshold selection list information of the physical random access channel parameter list and the terminal power level is as follows:
  • the first information unit included in the physical random access channel parameter list selection threshold list information sequence has a one-to-one correspondence with the power level of the terminal.
  • the first information unit included in the physical random access channel parameter list selection threshold list information sequence has a one-to-one correspondence with the power level of the terminal, and specifically includes:
  • the Nth first information unit in the physical random access channel parameter list selection threshold list information sequence corresponds to the terminal power level M;
  • a terminal with a power level of M reading information corresponding to the Nth first information unit of the physical random access channel parameter list selection threshold list information sequence;
  • N and M are all in the range of ⁇ 1...maxPower-Class ⁇ , and the maxPower-Class is the number of preset terminal power levels or the number of terminal power levels actually used by the terminal.
  • the physical random access channel parameter list selection threshold list information is a sequence
  • the first information unit included in the sequence is a sequence
  • the first information unit sequence includes a set of thresholds A value, the number of which is determined by the number of coverage enhancement levels.
  • the first corresponding manner is that the number of the physical random access channel parameter information is equal to the number of coverage enhancement levels, or the first corresponding manner is that the number of the physical random access channel parameter information is equal to the network.
  • the number of coverage enhancement levels supported by the side is multiplied by the number of terminal power levels.
  • the second corresponding mode that is, the network side device defines corresponding physical random access channel parameters for different power level terminals under different coverage enhancement levels.
  • the number of the terminal power levels is 3 and the number of coverage enhancement levels is 3, the first corresponding mode is adopted, and the number of physical random access channel parameter information is 3; The number of random access channel parameter information is 9.
  • the correspondence between the physical random access channel parameter information and the coverage enhancement level includes but is not limited to the following manners:
  • the physical random access channel parameter information three corresponds to the coverage enhancement level three.
  • the correspondence between the physical random access channel parameter information and the terminal power level and the network coverage enhancement level includes but is not limited to the following manners:
  • the foregoing embodiments of the present disclosure can effectively support the configuration of reasonable physical random access channel resource configuration information for terminals of different power levels when the terminal has multiple power levels, and satisfy the normal random access request of the terminal under different network coverages. receive.
  • the second embodiment of the present disclosure further provides a method for configuring physical random access channel parameters, including:
  • the network side sends a physical random access channel parameter list selection threshold information and physical random access channel parameter information.
  • the physical random access channel parameter list selection threshold information is a sequence, and the sequence includes a set of threshold values, and the number of the threshold values is determined by the number of coverage enhancement levels.
  • the threshold is determined by the network side according to the maximum coupling loss between the base station and the terminal allowed by different coverage enhancement levels, and the transmission power of the reference signal or the synchronization signal on the network side.
  • the threshold value is equal to P RStx -MCL N +P offset ; wherein, MCL N is a maximum coupling loss value between the base station and the terminal allowed by the coverage enhancement level N, and P RStx is a network side reference signal or synchronization signal transmission power value, P offset configurable threshold margin.
  • the physical random access channel parameter list selection threshold information is specifically used to indicate: a measurement value of the received power of the reference signal or the synchronization signal of the network side and a threshold in the selection threshold information of the physical random access channel parameter list The values are compared to determine the coverage enhancement level at which they are located.
  • the physical random access channel parameter information includes: a frequency offset sent by the physical random access channel, a starting subframe number sent by the physical random access channel, a random access request maximum number of attempts, and/or The number of repetitions of the physical random access channel pilot code.
  • the maximum number of attempts of the random access request and the number of repetitions of the pilot code of the physical random access channel are determined by the network side according to the coverage enhancement level of the terminal, or by the network side according to the terminal power level and the coverage of the terminal.
  • the level of enhancement is determined.
  • the foregoing embodiment of the present disclosure sends the physical random access channel parameter list selection threshold list information, the physical random access channel parameter list selection threshold information, and the physical random access channel parameter information by using the network side; or sends a physical random access channel parameter list. Selecting the threshold information and the physical random access channel parameter information; effectively supporting the terminal to configure reasonable physical random access channel resource configuration information for terminals of different power levels when the terminal has multiple power levels, and satisfying the terminal under different network coverage. Normal reception of random access requests.
  • a third embodiment of the present disclosure provides a method for selecting physical random access channel parameter information, including:
  • Step 31 The terminal receives the physical random access channel parameter list selection threshold list information, the physical random access channel parameter list selection threshold information, the physical random access channel parameter list information, and the physical random access channel parameter information sent by the network side.
  • the above method may further include:
  • Step 32 The terminal reads the corresponding physical random access channel parameter list selection threshold list information according to its own power level, and selects the threshold list information according to the physical random access channel parameter list to read the corresponding physical random access channel.
  • Parameter list selection threshold information
  • Step 33 The terminal selects threshold information according to the measured value of the received power of the reference signal or the synchronization signal of the network side, and the read physical random access channel parameter list, to determine the coverage enhancement level of the terminal.
  • Step 34 The terminal reads the physical random access channel parameter information corresponding to the coverage enhancement level in the physical random access channel parameter list information according to the determined coverage enhancement level.
  • the terminal selects the threshold list information according to the maximum physical power of the terminal to read the corresponding physical random access channel parameter list, including:
  • the terminal selects a correspondence between the threshold information of the physical random access channel parameter list and the terminal power level included in the sequence of the threshold list information according to the physical random access channel parameter list, and the power level of the terminal, and determines the location Determining threshold information of the terminal physical random access channel parameter list corresponding to the power level of the terminal;
  • Corresponding relationship between the physical random access channel parameter list selection threshold information and the terminal power level included in the sequence of the physical random access channel parameter list selection threshold list information includes:
  • the physical random access channel parameter list selection threshold information in the physical random access channel parameter list selection threshold list information sequence is in one-to-one correspondence with the power level of the terminal.
  • the terminal determines the coverage enhancement level of the terminal according to the measured value of the received power of the reference signal or the synchronization signal of the network side and the read physical random access channel parameter list, and determines that the coverage enhancement level of the terminal includes:
  • the terminal reads the physical random access channel parameter list selection threshold information, and compares the measured value of the received power of the reference signal or the synchronization signal of the network side with the gate of the physical random access channel parameter list selection threshold information. The limits are compared to determine the network coverage enhancement level at which the terminal is located.
  • the physical random access channel parameter list selection threshold information is RSRP Thresholds1 and RSRP Thresholds2 , respectively corresponding to the coverage enhancement level one threshold and the coverage enhancement level two thresholds;
  • the measured value of the terminal side reference signal received power of the network side is RSRP measure .
  • the foregoing embodiment of the present disclosure selects threshold list information, physical random access channel parameter list selection threshold information, physical random access channel parameter list information, and physical random access channel parameters by receiving a physical random access channel parameter list sent by the network side.
  • Information; or the selected physical random access channel parameter list selection threshold information, physical random access channel parameter list information, and physical random access channel parameter information can effectively support terminals with different power levels when there are multiple power levels in the terminal Configure reasonable physical random access channel resource configuration information to meet the normal reception of random access requests of the terminal under different network coverage.
  • a fourth embodiment of the present disclosure provides a method for selecting physical random access channel parameter information, including:
  • the terminal receives the physical random access channel parameter list selection threshold information and the physical random access channel parameter information sent by the network side.
  • the method further includes:
  • the terminal reads the corresponding physical random access channel parameter list selection threshold information according to its own power level
  • the terminal determines, according to the measured value of the received power of the reference signal or the synchronization signal of the network side, and the physical random access channel parameter list, the coverage enhancement level of the terminal;
  • the terminal reads the physical random access channel parameter information corresponding to the coverage enhancement level that is determined according to the coverage enhancement level that is determined to be located.
  • the terminal determines the terminal.
  • the network coverage enhancement level is the coverage enhancement level corresponding to the threshold.
  • the terminal determines that the network coverage enhancement level of the terminal is the The coverage enhancement level corresponding to the threshold.
  • the terminal determines that the coverage enhancement level of the terminal is M3;
  • the terminal determines that the coverage enhancement level of the terminal is M2; otherwise, the terminal determines that the network coverage enhancement level of the terminal is M1;
  • M1, M2, and M3 are different network coverage enhancement levels
  • the RSRP Thresholds1 and the RSRP Thresholds2 respectively are threshold values in the threshold selection information of the physical random access channel parameter list, and the RSRP measure is a measured value of the reference power of the terminal to the network side or the received power of the synchronization signal.
  • the terminal determines that the coverage enhancement level of the terminal is M4;
  • the terminal determines that the coverage enhancement level of the terminal is M5; otherwise, the terminal determines that the coverage enhancement level of the terminal is M6;
  • M4, M5 and M6 are different coverage enhancement levels
  • the RSRP Thresholds3 and the RSRP Thresholds4 respectively select a threshold value in the threshold information of the physical random access channel parameter list, and the RSRP measure is a measured value of the reference power of the terminal to the network side or the received power of the synchronization signal.
  • a fifth embodiment of the present disclosure provides a method for selecting physical random access channel parameter information, including:
  • the terminal receives the physical random access channel parameter list selection threshold information, the physical random access channel parameter list information, and the physical random access channel parameter information sent by the network side.
  • the method may further include:
  • the terminal determines the coverage enhancement level of the terminal according to the measured value of the received power of the reference signal or the synchronization signal on the network side and the physical random access channel parameter list selection threshold information.
  • the method may further include:
  • the terminal determines the coverage enhancement level of the terminal according to the power value corresponding to the reference power level, the power value corresponding to the terminal power level, and the physical random access channel parameter list selection threshold information.
  • the method may further include:
  • the coverage enhancement level is the coverage enhancement level corresponding to the threshold value
  • the terminal determines that the terminal is located
  • the coverage enhancement level is the coverage enhancement level corresponding to the threshold.
  • the method may further include:
  • the coverage enhancement level is the coverage enhancement level corresponding to the threshold value
  • the terminal determines that the terminal is located
  • the coverage enhancement level is the coverage enhancement level corresponding to the threshold.
  • the method may further include: when the RSRP measure ⁇ RSRP Thresholds5 + P compensation , the terminal determines that the network coverage enhancement level of the terminal is M7;
  • the terminal determines that the network coverage enhancement level of the terminal is M8; otherwise, the terminal determines that the network coverage enhancement level of the terminal is M9;
  • M7, M8, and M9 are different network coverage enhancement levels
  • the RSRP Thresholds 5 and the RSRP Thresholds 6 respectively are threshold values corresponding to the coverage enhancement levels M7 and M8 in the selection threshold information of the physical random access channel parameter list, and the RSRP measure is the received power of the reference signal or the synchronization signal of the terminal to the network side.
  • the measured value, P compensation is a power compensation value determined by a power value corresponding to the reference power level and a power value corresponding to the terminal power level.
  • the method may further include:
  • the terminal determines that the coverage enhancement level of the terminal is M10;
  • the terminal determines that the coverage enhancement level of the terminal is M11; otherwise, the terminal determines that the coverage enhancement level of the terminal is M12;
  • M10, M11 and M12 are different coverage enhancement levels
  • the RSRP Thresholds7 and the RSRP Thresholds8 respectively are threshold values corresponding to the coverage enhancement levels M10 and M11 in the physical random access channel parameter list selection threshold information, and the RSRP measure is the reference power of the terminal to the network side or the received power of the synchronization signal.
  • the measured value, P compensation is a power compensation value determined by a power value corresponding to the reference power level and a power value corresponding to the terminal power level.
  • the method may further include:
  • the power compensation value is equal to a difference between a power value corresponding to the reference power level of the terminal and a power value corresponding to the power level;
  • the power compensation value is equal to a difference between a power value corresponding to the reference power level of the terminal and a power value corresponding to the power level, and then the additional compensation value is subtracted.
  • the method may further include: the terminal, according to the determined coverage enhancement level, reading physical random access channel parameter information corresponding to the determined coverage enhancement level.
  • the method may further include: the terminal initiating a random access request according to the physical random access channel parameter information.
  • the foregoing embodiments of the present disclosure can effectively support the configuration of reasonable physical random access channel resource configuration information for terminals of different power levels when the terminal has multiple power levels, and satisfy the normal random access request of the terminal under different network coverages. receive.
  • the main difference between the other embodiment and the fifth embodiment lies in the definition of P compensation .
  • P compensation is a power compensation value determined by the maximum uplink power value of the terminal of the own cell and the power level to which the terminal belongs.
  • P compensation P EMAX1 –P PowerClass .
  • P EMAX1 is the maximum uplink power of the local terminal of the network broadcast
  • P PowerClass is the power value corresponding to the terminal power level, for example, the maximum transmit power of 14 dBm corresponding to the terminal of power level 6, or the maximum transmit power of 20 dBm corresponding to the terminal of power level 5.
  • the terminal determines that the network coverage enhancement level of the terminal is M10;
  • the terminal determines that the network coverage enhancement level of the terminal is M11; otherwise, the terminal determines that the network coverage enhancement level of the terminal is M12;
  • the method may further include:
  • P delta is a power compensation value determined by the maximum uplink power of the terminal of the cell and the power level to which the terminal belongs.
  • P delta P EMAX1 -P PowerClass
  • P EMAX1 is the maximum uplink power value of the local terminal of the network broadcast
  • P PowerClass is the power value corresponding to the terminal power level, for example, the maximum transmit power of 14 dBm corresponding to the terminal of power level 6, or power The terminal of level 5 corresponds to a maximum transmit power of 20 dBm.
  • the terminal determines that the network coverage enhancement level of the terminal is M13;
  • the terminal determines that the network coverage enhancement level of the terminal is M14; otherwise, the terminal determines that the network coverage enhancement level of the terminal is M15.
  • the sixth embodiment of the present disclosure further provides a network side device, including:
  • a sending module configured to send a physical random access channel parameter list selection threshold information, physical random access channel parameter list information, and physical random access channel parameter information; or send a physical random access channel parameter list selection threshold list information, The physical random access channel parameter list selection threshold information, physical random access channel parameter list information, and physical random access channel parameter information.
  • the network side device may be a base station, and the sending module of the network side device may be implemented by a transmitter, and the network side device may further include: processing the physical random access channel parameter list selection threshold information, physical random access A channel parameter list information and a processor of physical random access channel parameter information, a memory storing the above information, and the like.
  • the foregoing embodiments of the present disclosure can effectively support the configuration of reasonable physical random access channel resource configuration information for terminals of different power levels when the terminal has multiple power levels, and satisfy the normal random access request of the terminal under different network coverages. receive.
  • the seventh embodiment of the present disclosure further provides a terminal, including:
  • a receiving module configured to receive physical random access channel parameter list selection threshold information, physical random access channel parameter list information, and physical random access channel parameter information sent by the network side, or receive physical random access sent by the network side
  • the channel parameter list selects threshold list information, physical random access channel parameter list selection threshold information, physical random access channel parameter list information, and physical random access channel parameter information.
  • the terminal may be a user equipment, and the receiving module of the terminal may be implemented by a receiver.
  • the terminal may further include: processing the physical random access channel parameter list selection threshold information, physical random access channel parameter list information, and A processor that physically accesses channel parameter information, a memory that stores the above information, and the like.
  • the foregoing embodiments of the present disclosure can effectively support the configuration of reasonable physical random access channel resource configuration information for terminals of different power levels when the terminal has multiple power levels, and satisfy the normal random access request of the terminal under different network coverages. receive.

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Abstract

L'invention concerne un procédé de configuration de paramètres de canal d'accès aléatoire physique, un procédé de sélection d'informations pour des paramètres de canal d'accès aléatoire physique, un dispositif côté réseau et un terminal. Le procédé sur un côté réseau consiste à : envoyer une liste de paramètres de canal d'accès aléatoire physique et des informations de liste de seuil de sélection, une liste de paramètres de canal d'accès aléatoire physique et des informations de seuil de sélection, des informations de liste de paramètres de canal d'accès aléatoire physique et des informations de paramètre de canal d'accès aléatoire physique. Le procédé sur un côté terminal consiste à : recevoir une liste de paramètres de canal d'accès aléatoire physique et des informations de liste de seuil de sélection, une liste de paramètres de canal d'accès aléatoire physique et des informations de seuil de sélection, des informations de liste de paramètres de canal d'accès aléatoire physique et des informations de paramètre de canal d'accès aléatoire physique envoyées par le côté réseau.
PCT/CN2018/078016 2017-04-21 2018-03-05 Procédé de configuration de paramètres de canal d'accès aléatoire physique, procédé de sélection d'informations pour des paramètres de canal d'accès aléatoire physique, dispositif côté réseau et terminal Ceased WO2018192310A1 (fr)

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CN201710265631.X 2017-04-21

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EP4016878A1 (fr) * 2020-12-18 2022-06-22 Itron, Inc. Procédé et appareils pour la préservation de l'autonomie de la batterie dans des conditions de faible signal en utilisant l'analyse des liaisons rf
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EP4533886A1 (fr) * 2022-06-02 2025-04-09 Qualcomm Incorporated Procédure d'accès aléatoire basée sur une classe de collecte d'énergie
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