WO2021139754A1 - 覆盖增强等级的确定方法及装置 - Google Patents

覆盖增强等级的确定方法及装置 Download PDF

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Publication number
WO2021139754A1
WO2021139754A1 PCT/CN2021/070818 CN2021070818W WO2021139754A1 WO 2021139754 A1 WO2021139754 A1 WO 2021139754A1 CN 2021070818 W CN2021070818 W CN 2021070818W WO 2021139754 A1 WO2021139754 A1 WO 2021139754A1
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Prior art keywords
carrier
random access
coverage enhancement
enhancement level
threshold information
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PCT/CN2021/070818
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English (en)
French (fr)
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徐芙蓉
张超
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中国移动通信有限公司研究院
中国移动通信集团有限公司
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Publication of WO2021139754A1 publication Critical patent/WO2021139754A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • 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
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • 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
    • H04W74/002—Transmission of channel access control information
    • H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
    • 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 technology, and in particular to a method and device for determining a coverage enhancement level.
  • the NB-IoT coverage enhancement level classification in related technologies is determined by unified parameters.
  • the base station sends a reference signal receiving power (RSRP) threshold list in the broadcast message-System Information Block (SIB) 2, and the terminal uses the RSRP value and threshold list it has measured. Determine the coverage enhancement level you are in. Among them, no matter how many carriers exist in the cell, the same physical random access channel selection threshold information list is used.
  • RSRP reference signal receiving power
  • SIB broadcast message-System Information Block
  • the value of the physical random access channel selection threshold information list can be determined according to the uplink noise floor of the carrier to ensure the demodulation performance of the base station.
  • the uplink noise floor rise values of the multiple carriers are different, all terminals in the cell use the same RSRP threshold, which will cause the demodulation performance of the base station to decrease.
  • the embodiments of the present disclosure provide a method and device for determining the coverage enhancement level, which can ensure the demodulation success rate of the network side equipment.
  • the embodiment of the present disclosure provides a method for determining a coverage enhancement level, which is applied to a terminal, and includes:
  • the carrier that initiates random access is selected, and the coverage enhancement level of the carrier is determined according to the physical random access channel threshold information list corresponding to the carrier.
  • the method further includes:
  • the obtaining the correspondence between the carrier and the physical random access channel selection threshold information list includes:
  • the carrier information is carried in at least one of the following messages:
  • the determining the coverage enhancement level of oneself according to the physical random access channel selection threshold information list corresponding to the carrier includes:
  • the coverage enhancement level of the carrier is determined according to the RSRP measurement value of the carrier and the physical random access channel selection threshold information list corresponding to the carrier.
  • acquiring the RSRP measurement value of the carrier includes any one of the following:
  • the signal strength of the carrier is measured by the same frequency or different frequencies to obtain the RSRP measurement value of the carrier;
  • the RSRP measurement value of the primary carrier is measured, and the RSRP measurement value of the secondary carrier is obtained according to the power difference between the secondary carrier and the primary carrier.
  • the power difference between the secondary carrier and the primary carrier is carried in at least one of the following messages:
  • the embodiment of the present disclosure also provides a method for determining a coverage enhancement level, which is applied to a network side device, including:
  • the physical random access channel selection threshold information list of different carriers includes any one of the following:
  • the offset value is an offset value for raising the uplink noise floor of each auxiliary carrier relative to the main carrier.
  • the physical random access channel selection threshold information list is carried in at least one of the following messages:
  • it also includes:
  • the power difference between the secondary carrier and the primary carrier is sent to the terminal.
  • the power difference between the secondary carrier and the primary carrier is carried in at least one of the following messages:
  • the embodiment of the present disclosure also provides an apparatus for determining a coverage enhancement level, which is applied to a terminal, and includes:
  • the acquiring module is used to receive the physical random access channel selection threshold information list of different carriers, where the carriers with different uplink noise floor rise values correspond to different physical random access channel selection threshold information lists;
  • the processing module is used to select the carrier that initiates random access according to the random access probabilities of different carriers, and determine the coverage enhancement level of the carrier according to the physical random access channel threshold information list corresponding to the carrier.
  • the processing module is further configured to send uplink data according to the channel configuration of the coverage enhancement level where the processing module is located.
  • the acquiring module is specifically configured to receive carrier information sent by the network side device, where the carrier information includes a physical random access channel selection threshold information list corresponding to the carrier.
  • the carrier information is carried in at least one of the following messages:
  • the processing module is specifically configured to obtain the RSRP measurement value of the carrier; determine the coverage enhancement where it is located according to the RSRP measurement value of the carrier and the physical random access channel selection threshold information list corresponding to the carrier grade.
  • processing module is specifically configured to perform any one of the following:
  • the signal strength of the carrier is measured by the same frequency or different frequencies to obtain the RSRP measurement value of the carrier;
  • the RSRP measurement value of the primary carrier is measured, and the RSRP measurement value of the secondary carrier is obtained according to the power difference between the secondary carrier and the primary carrier.
  • the power difference between the secondary carrier and the primary carrier is carried in at least one of the following messages:
  • the embodiment of the present disclosure also provides a device for determining a coverage enhancement level, which is applied to a terminal and includes a processor and a transceiver,
  • the transceiver is configured to receive physical random access channel selection threshold information lists of different carriers, where carriers with different uplink noise floor rise values correspond to different physical random access channel selection threshold information lists;
  • the processor is configured to select a carrier that initiates random access according to the random access probabilities of different carriers, and determine the coverage enhancement level of the processor according to the physical random access channel threshold information list corresponding to the carrier.
  • the transceiver is also used to send uplink data according to the channel configuration of the coverage enhancement level it is in.
  • the transceiver is specifically configured to receive carrier information sent by the network side device, where the carrier information includes a physical random access channel selection threshold information list corresponding to the carrier.
  • the carrier information is carried in at least one of the following messages:
  • the processor is specifically configured to obtain the RSRP measurement value of the carrier; determine the coverage enhancement where it is located according to the RSRP measurement value of the carrier and the physical random access channel selection threshold information list corresponding to the carrier grade.
  • the processor is specifically configured to execute any one of the following:
  • the signal strength of the carrier is measured by the same frequency or different frequencies to obtain the RSRP measurement value of the carrier;
  • the RSRP measurement value of the primary carrier is measured, and the RSRP measurement value of the secondary carrier is obtained according to the power difference between the secondary carrier and the primary carrier.
  • the power difference between the secondary carrier and the primary carrier is carried in at least one of the following messages:
  • the embodiment of the present disclosure also provides a device for determining a coverage enhancement level, which is applied to a network side device, including:
  • the sending module is used to send the physical random access channel selection threshold information lists of different carriers to the terminal, wherein the carriers with different uplink noise floor rise values correspond to different physical random access channel selection threshold information lists.
  • the physical random access channel selection threshold information list of different carriers includes any one of the following:
  • the offset value is an offset value for raising the uplink noise floor of each auxiliary carrier relative to the main carrier.
  • the physical random access channel selection threshold information list is carried in at least one of the following messages:
  • the sending module is further configured to send the power difference between the secondary carrier and the primary carrier to the terminal.
  • the power difference between the secondary carrier and the primary carrier is carried in at least one of the following messages:
  • the embodiment of the present disclosure also provides an apparatus for determining a coverage enhancement level, which is applied to a network side device, and includes a processor and a transceiver,
  • the transceiver is used to send physical random access channel selection threshold information lists of different carriers to the terminal, where carriers with different uplink noise floor rise values correspond to different physical random access channel selection threshold information lists.
  • the physical random access channel selection threshold information list of different carriers includes any one of the following:
  • the offset value is an offset value for raising the uplink noise floor of each auxiliary carrier relative to the main carrier.
  • the physical random access channel selection threshold information list is carried in at least one of the following messages:
  • the transceiver is also used to send the power difference between the secondary carrier and the primary carrier to the terminal.
  • the power difference between the secondary carrier and the primary carrier is carried in at least one of the following messages:
  • the embodiment of the present disclosure also provides a communication device, including: a memory, a processor, and a computer program stored in the memory and capable of running on the processor, and the computer program is executed by the processor to realize the above-mentioned Steps in the method of determining the coverage enhancement level.
  • the embodiment of the present disclosure also provides a computer-readable storage medium, the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the method for determining the coverage enhancement level as described above is implemented step.
  • carriers with different uplink noise floor boost values correspond to different physical random access channel selection threshold information lists.
  • the terminal can select the threshold information list according to the physical random access channels of different carriers, select the accurate coverage enhancement level, and then determine Corresponding channel transmission configuration to improve the transmission success rate, while ensuring the demodulation success rate of the network side equipment.
  • FIG. 1 is a schematic flowchart of a method for determining a coverage enhancement level of a terminal according to an embodiment of the disclosure
  • FIG. 2 is a schematic flowchart of a method for determining a coverage enhancement level of a network-side device according to an embodiment of the disclosure
  • FIG. 3 is a structural block diagram of an apparatus for determining a coverage enhancement level of a terminal according to an embodiment of the disclosure
  • FIG. 4 is a schematic diagram of the composition of an apparatus for determining a coverage enhancement level of a terminal according to an embodiment of the disclosure
  • FIG. 5 is a structural block diagram of an apparatus for determining a coverage enhancement level of a network-side device according to an embodiment of the disclosure
  • FIG. 6 is a schematic diagram of the composition of an apparatus for determining a coverage enhancement level of a network side device according to an embodiment of the disclosure.
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution
  • NB-IoT Narrowband-Internet of Things
  • NR NR systems
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-Carrier Frequency-Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • the CDMA system can implement radio technologies such as CDMA2000 and Universal Terrestrial Radio Access (UTRA).
  • UTRA includes Wideband Code Division Multiple Access (WCDMA) and other CDMA variants.
  • the TDMA system can implement radio technologies such as the Global System for Mobile Communication (GSM).
  • the OFDMA system can implement radios such as UltraMobile Broadband (UMB), Evolution-UTRA (Evolution-UTRA, E-UTRA), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, Flash-OFDM, etc. technology.
  • UMB UltraMobile Broadband
  • Evolution-UTRA Evolution-UTRA
  • E-UTRA IEEE 802.11
  • WiMAX IEEE 802.16
  • IEEE 802.20 Flash-OFDM
  • Flash-OFDM Flash-OFDM
  • UTRA, E-UTRA, UMTS, LTE, LTE-A, and GSM are described in documents from an organization named "3rd Generation Partnership Project" (3GPP).
  • 3GPP 3rd Generation Partnership Project
  • the techniques described in this article can be used for the systems and radio technologies mentioned above, as well as other systems and radio technologies.
  • the following description describes an NB-IoT system for example purposes, and NB-IoT terminology is used in most of the following description, although these technologies can also be applied to applications other than NB-IoT system applications.
  • the embodiments of the present disclosure provide a method and device for determining a coverage enhancement level (Coverage Enhancement Level), which can ensure the demodulation success rate of the network side device.
  • a coverage enhancement level (Coverage Enhancement Level)
  • the embodiment of the present disclosure provides a method for determining a coverage enhancement level, which is applied to a terminal, as shown in FIG. 1, including:
  • Step 101 Receive a list of physical random access channel selection threshold information of different carriers
  • Step 102 According to the random access probabilities of different carriers, select the carrier that initiates the random access, and determine the coverage enhancement level of the carrier according to the physical random access channel threshold information list corresponding to the carrier.
  • the carriers with different uplink noise floor rise values correspond to different physical random access channel selection threshold information lists (rsrp-ThresholdsPrachInfoList).
  • the terminal can select the threshold information list according to the physical random access channels of different carriers, and select the accurate Coverage enhancement level, and then determine the corresponding channel transmission configuration to improve the transmission success rate, while ensuring the demodulation success rate of the network side equipment.
  • the content of the random access probability is selected from nprach-ProbabilityAnchor and/or rach-ProbabilityAnchorList.
  • carriers with different uplink noise floor rise values correspond to different physical random access channel selection threshold information lists.
  • the method further includes:
  • the physical random access channel selection threshold information list is the RSRP threshold list.
  • the network side device When the network side device is configured, it is possible to differentiately set the physical random access channel selection threshold information list of different carriers according to the uplink noise floor boost value of different carriers.
  • the terminal confirms its coverage enhancement level according to the carrier selected by the random access process and the physical random access channel selection threshold information list corresponding to the corresponding carrier, and uses the configuration corresponding to this coverage enhancement level (such as the number of repetitions) to initiate Random access process.
  • the obtaining the correspondence between the carrier and the physical random access channel selection threshold information list includes:
  • the carrier information is carried in at least one of the following messages:
  • the broadcast message includes SIB2 or SIB22.
  • Carrier information is carried in MSG4 (message 4 includes but is not limited to RRCConnectionSetup-NB (the RRC connection establishment sent by the base station to the terminal) or RRCConnectionResume-NB (the RRC connection recovery sent by the base station to the terminal) or RRCConnectionReestablishment-NB (the base station sends to the terminal) RRC connection re-establishment) or RRCEarlyDataComplete-NB (the RRC data sent by the base station to the terminal is completed in advance) or RRCConnectionReject-NB (the RRC connection rejected by the base station to the terminal), etc.)
  • MSG4 Scheduling carrier information including power difference between carriers, physical random access channel selection threshold information list
  • the determining the coverage enhancement level of oneself according to the physical random access channel selection threshold information list corresponding to the carrier includes:
  • the coverage enhancement level of the carrier is determined according to the RSRP measurement value of the carrier and the physical random access channel selection threshold information list corresponding to the carrier.
  • acquiring the RSRP measurement value of the carrier includes any one of the following:
  • the signal strength of the carrier is measured by the same frequency or different frequencies to obtain the RSRP measurement value of the carrier;
  • the RSRP measurement value of the primary carrier is measured, and the RSRP measurement value of the secondary carrier is obtained according to the power difference between the secondary carrier and the primary carrier.
  • the power difference between the secondary carrier and the primary carrier is carried in at least one of the following messages:
  • the terminal can measure the signal strength of multiple carriers at the same frequency or different frequencies in the idle state or in the connected state, that is, RSRP, the terminal can obtain the RSRP measurement values of multiple carriers in the serving cell at this time. If the terminal can only measure the signal strength of the primary carrier, that is, RSRP, the terminal can measure the RSRP of the primary carrier, and convert the RSRP of each secondary carrier according to the power difference between each secondary carrier and the primary carrier. For example, for the R14 terminal, the terminal can measure the RSRP of each secondary carrier.
  • the RSRP of the primary carrier is converted into the RSRP of each secondary carrier according to the power difference between each secondary carrier and the primary carrier received in the broadcast message; for R13 terminals, the terminal measures the RSRP of the primary carrier according to each received in MSG4 The power difference between the secondary carrier and the primary carrier is converted into the RSRP of each secondary carrier.
  • the base station transmit power of the primary and secondary carrier is 32dBm.
  • Configure the physical random access channel selection threshold information list of the primary carrier in the broadcast message as -102dBm (corresponding to the path loss value of 134dB), -112dBm (corresponding to the path loss value of 144dB); configure the physical random access channel of the secondary carrier
  • the selection threshold information list is -92dB (corresponding to the path loss value of 124dB), -102dB (corresponding to the path loss value of 134dB).
  • the terminal currently measures the RSRP of the primary carrier and the secondary carrier to be -96dBm and -96dBm respectively. If the terminal initiates random access on the primary carrier, it will determine its coverage enhancement level based on the physical random access channel selection threshold information list of the primary carrier, that is, coverage enhancement level 0, and use the coverage enhancement level 0 channel configuration to initiate random access Access (such as 1 repetition); if the terminal initiates random access on the secondary carrier, it will determine its own coverage enhancement level based on the physical random access channel selection threshold information list of the secondary carrier, that is, coverage enhancement level 1. Use coverage enhancement level 1 channel configuration to initiate random access (e.g. 2 repetitions)
  • the base station transmit power of the primary carrier is 32dBm
  • the transmit power difference between the secondary carrier and the primary carrier is 3dB
  • the terminal can calculate the signal strength of the secondary carrier by calculating the difference between the primary carrier's transmit power and the primary and secondary carrier's power, which is -103dBm. According to the physical random access channel selection threshold information list of different carriers and the measured signal strength, the terminal determines the coverage enhancement level on the corresponding carrier.
  • the terminal selects the carrier for the random access process, and determines its own coverage enhancement level according to the physical random access channel selection threshold information list and RSRP measurement value corresponding to the selected carrier, and uses this coverage enhancement
  • the configuration corresponding to the level performs uplink data transmission, which can improve the transmission success rate.
  • the embodiment of the present disclosure also provides a method for determining a coverage enhancement level, which is applied to a network side device, as shown in FIG. 2, including:
  • Step 201 Send a physical random access channel selection threshold information list of different carriers to a terminal, where carriers with different uplink noise floor rise values correspond to different physical random access channel selection threshold information lists.
  • carriers with different uplink noise floor boost values correspond to different physical random access channel selection threshold information lists.
  • the terminal can select the threshold information list according to the physical random access channels of different carriers, and select the accurate coverage enhancement level, and then Determine the corresponding channel transmission configuration to improve the transmission success rate while ensuring the demodulation success rate of the network side equipment.
  • the physical random access channel selection threshold information list of different carriers includes any one of the following:
  • the offset value is an offset value for raising the uplink noise floor of each auxiliary carrier relative to the main carrier.
  • the physical random access channel selection threshold information list independent of each carrier can be sent to the terminal, or the physical random access channel selection threshold information list of the primary carrier (anchor carrier) can be used as a reference to send other auxiliary carriers ( Non-anchor carrier) the offset of the uplink noise floor boost relative to the primary carrier, that is, the physical random access channel selection threshold information list of the primary carrier and the offset of each auxiliary carrier relative to the primary carrier's uplink noise floor boost.
  • anchor carrier auxiliary carriers
  • the physical random access channel selection threshold information list of the primary carrier sent in the broadcast message is -102dBm (corresponding to the path loss value of 134dB), -112dBm (corresponding to the path loss value of 144dB), and the physical random access channel of the secondary carrier
  • the selection threshold offset is 10dB, which is the offset of the uplink noise floor of the auxiliary carrier relative to the main carrier.
  • the physical random access channel selection threshold information list is carried in at least one of the following messages:
  • the method further includes:
  • the power difference between the secondary carrier and the primary carrier is sent to the terminal.
  • the power difference between the secondary carrier and the primary carrier is carried in at least one of the following messages:
  • the base station can add a distinction between different carrier coverage enhancement level threshold lists in the broadcast message, that is, issue different physical random access channel selection threshold information lists for different carriers, so that the terminal can select threshold information lists based on different carriers.
  • Determine the coverage enhancement level during random access the base station can also increase the distinction between different carrier coverage enhancement level threshold lists in MSG4, that is, issue different physical random access channel selection threshold information lists for different carriers, so that the terminal can follow
  • the threshold list of different carriers determines the channel configuration (such as the number of repetitions) for sending MSG5 and subsequent uplink data.
  • the physical random access channel selection threshold information list is the RSRP threshold list.
  • the embodiment of the present disclosure also provides an apparatus for determining a coverage enhancement level, which is applied to a terminal, as shown in FIG. 3, including:
  • the acquiring module 31 is configured to receive physical random access channel selection threshold information lists of different carriers, where carriers with different uplink noise floor rise values correspond to different physical random access channel selection threshold information lists;
  • the processing module 32 is configured to select the carrier that initiates random access according to the random access probabilities of different carriers, and determine the coverage enhancement level of the carrier according to the physical random access channel threshold information list corresponding to the carrier.
  • carriers with different uplink noise floor boost values correspond to different physical random access channel selection threshold information lists.
  • the terminal can select the threshold information list according to the physical random access channels of different carriers, and select the accurate coverage enhancement level, and then Determine the corresponding channel transmission configuration to improve the transmission success rate while ensuring the demodulation success rate of the network side equipment.
  • processing module 32 is further configured to send uplink data according to the channel configuration of the coverage enhancement level it is in.
  • the acquiring module 31 is specifically configured to receive carrier information sent by the network side device, where the carrier information includes a physical random access channel selection threshold information list corresponding to the carrier.
  • the physical random access channel selection threshold information list is carried in at least one of the following messages:
  • the processing module 32 is specifically configured to obtain the RSRP measurement value of the carrier; and determine its own coverage according to the RSRP measurement value of the carrier and the physical random access channel selection threshold information list corresponding to the carrier. Enhanced level.
  • processing module 32 is specifically configured to perform any one of the following:
  • the signal strength of the carrier is measured by the same frequency or different frequencies to obtain the RSRP measurement value of the carrier;
  • the RSRP measurement value of the primary carrier is measured, and the RSRP measurement value of the secondary carrier is obtained according to the power difference between the secondary carrier and the primary carrier.
  • the power difference between the secondary carrier and the primary carrier is carried in at least one of the following messages:
  • the embodiment of the present disclosure also provides an apparatus for determining a coverage enhancement level, which is applied to a terminal, as shown in FIG. 4, which includes a processor 41 and a transceiver 42.
  • the transceiver 42 is configured to receive physical random access channel selection threshold information lists of different carriers, where carriers with different uplink noise floor rise values correspond to different physical random access channel selection threshold information lists;
  • the processor 41 is configured to determine the carrier for initiating random access, and determine the coverage enhancement level of itself according to the physical random access channel selection threshold information list corresponding to the carrier.
  • carriers with different uplink noise floor boost values correspond to different physical random access channel selection threshold information lists.
  • the terminal can select the threshold information list according to the physical random access channels of different carriers, and select the accurate coverage enhancement level, and then Determine the corresponding channel transmission configuration to improve the transmission success rate while ensuring the demodulation success rate of the network side equipment.
  • the transceiver 42 is further configured to send uplink data according to the channel configuration of the coverage enhancement level of the transceiver 42.
  • the transceiver 42 is specifically configured to receive carrier information sent by a network side device, where the carrier information includes a physical random access channel selection threshold information list corresponding to the carrier.
  • the carrier information is carried in at least one of the following messages:
  • the processor 41 is specifically configured to obtain the RSRP measurement value of the carrier; and determine the coverage where it is located according to the RSRP measurement value of the carrier and the physical random access channel selection threshold information list corresponding to the carrier. Enhanced level.
  • processor 41 is specifically configured to execute any one of the following:
  • the signal strength of the carrier is measured by the same frequency or different frequencies to obtain the RSRP measurement value of the carrier;
  • the RSRP measurement value of the primary carrier is measured, and the RSRP measurement value of the secondary carrier is obtained according to the power difference between the secondary carrier and the primary carrier.
  • the power difference between the secondary carrier and the primary carrier is carried in at least one of the following messages:
  • the embodiment of the present disclosure also provides an apparatus for determining a coverage enhancement level, which is applied to a network side device, as shown in FIG. 5, including:
  • the sending module 51 is configured to send physical random access channel selection threshold information lists of different carriers to the terminal, where carriers with different uplink noise floor rise values correspond to different physical random access channel selection threshold information lists.
  • carriers with different uplink noise floor boost values correspond to different physical random access channel selection threshold information lists.
  • the terminal can select the threshold information list according to the physical random access channels of different carriers, and select the accurate coverage enhancement level, and then Determine the corresponding channel transmission configuration to improve the transmission success rate while ensuring the demodulation success rate of the network side equipment.
  • the physical random access channel selection threshold information list of different carriers includes any one of the following:
  • the offset value is an offset value for raising the uplink noise floor of each auxiliary carrier relative to the main carrier.
  • the carrier information is carried in at least one of the following messages:
  • the sending module 51 is further configured to send the power difference between the secondary carrier and the primary carrier to the terminal.
  • the power difference between the secondary carrier and the primary carrier is carried in at least one of the following messages:
  • the embodiment of the present disclosure also provides an apparatus for determining a coverage enhancement level, which is applied to a network side device, as shown in FIG. 6, including a processor 61 and a transceiver 62,
  • the transceiver 62 is configured to send physical random access channel selection threshold information lists of different carriers to the terminal, where carriers with different uplink noise floor rise values correspond to different physical random access channel selection threshold information lists.
  • carriers with different uplink noise floor boost values correspond to different physical random access channel selection threshold information lists.
  • the terminal can select the threshold information list according to the physical random access channels of different carriers, and select the accurate coverage enhancement level, and then Determine the corresponding channel transmission configuration to improve the transmission success rate while ensuring the demodulation success rate of the network side equipment.
  • the physical random access channel selection threshold information list of different carriers includes any one of the following:
  • the offset value is an offset value for raising the uplink noise floor of each auxiliary carrier relative to the main carrier.
  • the carrier information is carried in at least one of the following messages:
  • the transceiver 62 is further configured to send the power difference between the secondary carrier and the primary carrier to the terminal.
  • the power difference between the secondary carrier and the primary carrier is carried in at least one of the following messages:
  • the embodiment of the present disclosure also provides a communication device, including: a memory, a processor, and a computer program stored in the memory and capable of running on the processor, and the computer program is executed by the processor to realize the above-mentioned Steps in the method of determining the coverage enhancement level.
  • the communication device may be a network-side device such as a base station, or it may be a terminal.
  • the embodiment of the present disclosure also provides a computer-readable storage medium, the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the method for determining the coverage enhancement level as described above is implemented step.
  • the embodiments described herein can be implemented by hardware, software, firmware, middleware, microcode, or a combination thereof.
  • the processing unit can be implemented in one or more application specific integrated circuits (ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing equipment (DSP Device, DSPD), programmable Logic device (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, and others for performing the functions described in this application Electronic unit or its combination.
  • ASIC application specific integrated circuits
  • DSP Digital Signal Processing
  • DSP Device digital signal processing equipment
  • PLD programmable Logic Device
  • PLD Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array
  • the technology described herein can be implemented through modules (for example, procedures, functions, etc.) that perform the functions described herein.
  • the software codes can be stored in the memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.
  • the embodiments of the embodiments of the present disclosure may be provided as methods, devices, or computer program products. Therefore, the embodiments of the present disclosure may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the embodiments of the present disclosure may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • These computer program instructions can be provided to the processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing user terminal equipment to produce a machine, which can be executed by the processor of the computer or other programmable data processing user terminal equipment
  • the instructions generate means for realizing the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
  • These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing user terminal equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device,
  • the instruction device realizes the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
  • These computer program instructions can also be loaded into a computer or other programmable data processing user terminal equipment, so that a series of operation steps are executed on the computer or other programmable user terminal equipment to produce computer-implemented processing, so that the computer or other programmable data processing user terminal equipment
  • the instructions executed on the user terminal device provide steps for implementing functions specified in one or more processes in the flowchart and/or one block or more in the block diagram.
  • each module is only a division of logical functions, and can be fully or partially integrated into a physical entity during actual implementation, or can be physically separated.
  • these modules can all be implemented in the form of software called by processing elements; they can also be implemented in the form of hardware; some modules can be implemented in the form of calling software by processing elements, and some of the modules can be implemented in the form of hardware.
  • the determining module may be a separately established processing element, or it may be integrated in a certain chip of the above-mentioned device for implementation.
  • it may also be stored in the memory of the above-mentioned device in the form of program code, which is determined by a certain processing element of the above-mentioned device.
  • each step of the above method or each of the above modules can be completed by an integrated logic circuit of hardware in the processor element or instructions in the form of software.
  • each module, unit, sub-unit or sub-module may be one or more integrated circuits configured to implement the above method, for example: one or more application specific integrated circuits (ASIC), or, one or Multiple microprocessors (digital signal processor, DSP), or one or more field programmable gate arrays (Field Programmable Gate Array, FPGA), etc.
  • ASIC application specific integrated circuit
  • DSP digital signal processor
  • FPGA Field Programmable Gate Array
  • the processing element may be a general-purpose processor, such as a central processing unit (CPU) or other processors that can call program codes.
  • these modules can be integrated together and implemented in the form of a system-on-a-chip (SOC).
  • SOC system-on-a-chip

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Abstract

本公开提供了一种覆盖增强等级的确定方法及装置。覆盖增强等级的确定方法，应用于终端，包括：接收不同载波的物理随机接入信道选择门限信息列表；根据不同载波的随机接入概率，选择发起随机接入的载波，根据所述载波对应的物理随机接入信道门限信息列表确定自身所处的覆盖增强等级。

Description

覆盖增强等级的确定方法及装置
相关申请的交叉引用
本申请主张在2020年1月9日在中国提交的中国专利申请号No.202010021539.0的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及无线通信技术领域，特别是指一种覆盖增强等级的确定方法及装置。
背景技术
在物联网应用中，业务发展具有区域性集中发展的特点，如在地铁站附近存在大量的共享单车、在城区路口会有大量的电动自行车，同时，业务存在时间集中传输的特点，如在早晚上下班高峰期电动车大都在骑行状态，数据传输频次高。因此，在部分区域或部分时段会存在网络容量受限影响业务体验的问题。针对窄带物联网(Narrow Band Internet of Things,NB-IoT)网络容量受限的问题，可以采用多载波的技术方案解决。
针对多载波技术，相关技术中NB-IoT覆盖增强等级划分通过统一的参数确定。基站在广播消息-系统信息块(System Information Block，SIB)2中下发参考信号接收功率(Reference Signal Receiving Power，RSRP)门限值列表，终端根据自身所测量到的RSRP值和门限值列表确定所处的覆盖增强等级。其中，不管小区中存在几个载波，都采用相同的物理随机接入信道选择门限信息列表。
当小区中仅存在一个载波时，可根据载波的上行底噪抬升情况确定物理随机接入信道选择门限信息列表的取值，以保证基站的解调性能。当小区中存在多个载波，并且多个载波的上行底噪抬升值不同时，小区中所有终端采用相同的RSRP门限值，会导致基站解调性能的降低。
发明内容
本公开的实施例提供一种覆盖增强等级的确定方法及装置，可以保证网络侧设备的解调成功率。
本公开的实施例提供技术方案如下：
本公开的实施例提供了一种覆盖增强等级的确定方法，应用于终端，包括：
获取载波与参考信号接收功率物理随机接入信道选择门限信息列表的对应关系，其中，上行底噪抬升值不同的载波对应不同的物理随机接入信道选择门限信息列表；
根据不同载波的随机接入概率，选择发起随机接入的载波，根据所述载波对应的物理随机接入信道门限信息列表确定自身所处的覆盖增强等级。
可选地，根据所述载波对应的物理随机接入信道门限信息列表确定自身所处的覆盖增强等级之后，所述方法还包括：
根据自身所处的覆盖增强等级的信道配置发送上行数据。
可选地，所述获取载波与物理随机接入信道选择门限信息列表的对应关系包括：
接收网络侧设备发送的载波信息，所述载波信息包括载波对应的物理随机接入信道选择门限信息列表。
可选地，所述载波信息携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
可选地，所述根据所述载波对应的物理随机接入信道选择门限信息列表确定自身所处的覆盖增强等级包括：
获取所述载波的RSRP测量值；
根据所述载波的RSRP测量值和所述载波对应的物理随机接入信道选择门限信息列表确定自身所处的覆盖增强等级。
可选地，获取载波的RSRP测量值包括以下任一种：
在空闲态或连接态通过同频或异频测量载波的信号强度，得到所述载波的RSRP测量值；
测量得到主载波的RSRP测量值，根据辅载波与主载波的功率差得到辅 载波的RSRP测量值。
可选地，所述辅载波与主载波的功率差携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
本公开实施例还提供了一种覆盖增强等级的确定方法，应用于网络侧设备，包括：
向终端发送不同载波的物理随机接入信道选择门限信息列表，其中，上行底噪抬升值不同的载波对应不同的物理随机接入信道选择门限信息列表。
可选地，不同载波的物理随机接入信道选择门限信息列表包括以下任一种：
每个载波独立的物理随机接入信道选择门限信息列表；
主载波的物理随机接入信道选择门限信息列表和各辅载波相对主载波的偏置值。
可选地，所述偏置值是各辅载波相对主载波的上行底噪抬升的偏置值。
可选地，所述物理随机接入信道选择门限信息列表携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
可选地，还包括：
向终端发送辅载波与主载波的功率差。
可选地，所述辅载波与主载波的功率差携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
本公开实施例还提供了一种覆盖增强等级的确定装置，应用于终端，包括：
获取模块，用于接收不同载波的物理随机接入信道选择门限信息列表，其中，上行底噪抬升值不同的载波对应不同的物理随机接入信道选择门限信息列表；
处理模块，用于根据不同载波的随机接入概率，选择发起随机接入的载 波，根据所述载波对应的物理随机接入信道门限信息列表确定自身所处的覆盖增强等级。
可选地，所述处理模块还用于根据自身所处的覆盖增强等级的信道配置发送上行数据。
可选地，所述获取模块具体用于接收网络侧设备发送的载波信息，所述载波信息包括载波对应的物理随机接入信道选择门限信息列表。
可选地，所述载波信息携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
可选地，所述处理模块具体用于获取所述载波的RSRP测量值；根据所述载波的RSRP测量值和所述载波对应的物理随机接入信道选择门限信息列表确定自身所处的覆盖增强等级。
可选地，所述处理模块具体用于执行以下任一种：
在空闲态或连接态通过同频或异频测量载波的信号强度，得到所述载波的RSRP测量值；
测量得到主载波的RSRP测量值，根据辅载波与主载波的功率差得到辅载波的RSRP测量值。
可选地，所述辅载波与主载波的功率差携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
本公开实施例还提供了一种覆盖增强等级的确定装置，应用于终端，包括处理器和收发器，
所述收发器用于接收不同载波的物理随机接入信道选择门限信息列表，其中，上行底噪抬升值不同的载波对应不同的物理随机接入信道选择门限信息列表；
所述处理器用于根据不同载波的随机接入概率，选择发起随机接入的载波，根据所述载波对应的物理随机接入信道门限信息列表确定自身所处的覆盖增强等级。
可选地，所述收发器还用于根据自身所处的覆盖增强等级的信道配置发 送上行数据。
可选地，所述收发器具体用于接收网络侧设备发送的载波信息，所述载波信息包括载波对应的物理随机接入信道选择门限信息列表。
可选地，所述载波信息携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
可选地，所述处理器具体用于获取所述载波的RSRP测量值；根据所述载波的RSRP测量值和所述载波对应的物理随机接入信道选择门限信息列表确定自身所处的覆盖增强等级。
可选地，所述处理器具体用于执行以下任一种：
在空闲态或连接态通过同频或异频测量载波的信号强度，得到所述载波的RSRP测量值；
测量得到主载波的RSRP测量值，根据辅载波与主载波的功率差得到辅载波的RSRP测量值。
可选地，所述辅载波与主载波的功率差携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
本公开实施例还提供了一种覆盖增强等级的确定装置，应用于网络侧设备，包括：
发送模块，用于向终端发送不同载波的物理随机接入信道选择门限信息列表，其中，上行底噪抬升值不同的载波对应不同的物理随机接入信道选择门限信息列表。
可选地，不同载波的物理随机接入信道选择门限信息列表包括以下任一种：
每个载波独立的物理随机接入信道选择门限信息列表；
主载波的物理随机接入信道选择门限信息列表和各辅载波相对主载波的偏置值。
可选地，所述偏置值是各辅载波相对主载波的上行底噪抬升的偏置值。
可选地，所述物理随机接入信道选择门限信息列表携带在以下至少一种 消息中：
广播消息；
随机接入过程中的MSG4。
可选地，所述发送模块还用于向终端发送辅载波与主载波的功率差。
可选地，所述辅载波与主载波的功率差携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
本公开实施例还提供了一种覆盖增强等级的确定装置，应用于网络侧设备，包括处理器和收发器，
所述收发器用于向终端发送不同载波的物理随机接入信道选择门限信息列表，其中，上行底噪抬升值不同的载波对应不同的物理随机接入信道选择门限信息列表。
可选地，不同载波的物理随机接入信道选择门限信息列表包括以下任一种：
每个载波独立的物理随机接入信道选择门限信息列表；
主载波的物理随机接入信道选择门限信息列表和各辅载波相对主载波的偏置值。
可选地，所述偏置值是各辅载波相对主载波的上行底噪抬升的偏置值。
可选地，所述物理随机接入信道选择门限信息列表携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
可选地，所述收发器还用于向终端发送辅载波与主载波的功率差。
可选地，所述辅载波与主载波的功率差携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
本公开实施例还提供了一种通信设备，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，所述计算机程序被所述处理器执行时实现如上所述的覆盖增强等级的确定方法中的步骤。
本公开实施例还提供了一种计算机可读存储介质，所述计算机可读存储介质上存储有计算机程序，所述计算机程序被处理器执行时实现如上所述的覆盖增强等级的确定方法中的步骤。
本公开的实施例具有以下有益效果：
上述方案中，上行底噪抬升值不同的载波对应不同的物理随机接入信道选择门限信息列表，终端可以根据不同载波的物理随机接入信道选择门限信息列表，选择准确的覆盖增强等级，进而确定相应的信道传输配置，以提升传输成功率，同时能够保证网络侧设备的解调成功率。
附图说明
为了更清楚地说明本公开实施例的技术方案，下面将对本公开实施例的描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本公开实施例终端的覆盖增强等级的确定方法的流程示意图；
图2为本公开实施例网络侧设备的覆盖增强等级的确定方法的流程示意图；
图3为本公开实施例终端的覆盖增强等级的确定装置的结构框图；
图4为本公开实施例终端的覆盖增强等级的确定装置的组成示意图；
图5为本公开实施例网络侧设备的覆盖增强等级的确定装置的结构框图；
图6为本公开实施例网络侧设备的覆盖增强等级的确定装置的组成示意图。
具体实施方式
为使本公开的实施例要解决的技术问题、技术方案和优点更加清楚，下面将结合附图及具体实施例进行详细描述。
下面将参照附图更详细地描述本公开的示例性实施例。虽然附图中显示了本公开的示例性实施例，然而应当理解，可以以各种形式实现本公开而不应被这里阐述的实施例所限制。相反，提供这些实施例是为了能够更透彻地 理解本公开，并且能够将本公开的范围完整的传达给本领域的技术人员。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。说明书以及权利要求中“和/或”表示所连接对象的至少其中之一。
本文所描述的技术不限于长期演进型(Long Term Evolution，LTE)/LTE的演进(LTE-Advanced，LTE-A)系统、窄带物联网(NB-IoT，Narrowband-Internet of things)、NR系统，并且也可用于各种无线通信系统，诸如码分多址(Code Division Multiple Access，CDMA)、时分多址(Time Division Multiple Access，TDMA)、频分多址(Frequency Division Multiple Access，FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access，OFDMA)、单载波频分多址(Single-carrier Frequency-Division Multiple Access，SC-FDMA)和其他系统。术语“系统”和“网络”常被可互换地使用。CDMA系统可实现诸如CDMA2000、通用地面无线电接入(Universal Terrestrial Radio Access，UTRA)等无线电技术。UTRA包括宽带CDMA(Wideband Code Division Multiple Access，WCDMA)和其他CDMA变体。TDMA系统可实现诸如全球移动通信系统(Global System for Mobile Communication，GSM)之类的无线电技术。OFDMA系统可实现诸如超移动宽带(UltraMobile Broadband，UMB)、演进型UTRA(Evolution-UTRA，E-UTRA)、IEEE 802.11(Wi-Fi)、IEEE 802.16(WiMAX)、IEEE 802.20、Flash-OFDM等无线电技术。UTRA和E-UTRA是通用移动电信系统(Universal Mobile Telecommunications System，UMTS)的部分。LTE和更高级的LTE(如LTE-A)是使用E-UTRA的新UMTS版本。UTRA、E-UTRA、UMTS、LTE、LTE-A以及GSM在来自名为“第三代伙伴项目”(3rd Generation Partnership Project，3GPP)的组织的文献中描述。 本文所描述的技术既可用于以上提及的系统和无线电技术，也可用于其他系统和无线电技术。然而，以下描述出于示例目的描述了NB-IoT系统，并且在以下大部分描述中使用NB-IoT术语，尽管这些技术也可应用于NB-IoT系统应用以外的应用。
以下描述提供示例而并非限定权利要求中阐述的范围、适用性或者配置。可以对所讨论的要素的功能和布置作出改变而不会脱离本公开的精神和范围。各种示例可恰适地省略、替代、或添加各种规程或组件。例如，可以按不同于所描述的次序来执行所描述的方法，并且可以添加、省去、或组合各种步骤。另外，参照某些示例所描述的特征可在其他示例中被组合。
本公开的实施例提供一种覆盖增强等级(Coverage Enhancement Level)的确定方法及装置，可以保证网络侧设备的解调成功率。
本公开的实施例提供了一种覆盖增强等级的确定方法，应用于终端，如图1所示，包括：
步骤101：接收不同载波的物理随机接入信道选择门限信息列表；
步骤102：根据不同载波的随机接入概率，选择发起随机接入的载波，根据所述载波对应的物理随机接入信道门限信息列表确定自身所处的覆盖增强等级。
本实施例中，上行底噪抬升值不同的载波对应不同的物理随机接入信道选择门限信息列表(rsrp-ThresholdsPrachInfoList)，终端可以根据不同载波的物理随机接入信道选择门限信息列表，选择准确的覆盖增强等级，进而确定相应的信道传输配置，以提升传输成功率，同时能够保证网络侧设备的解调成功率。
其中，随机接入概率的内容选自nprach-ProbabilityAnchor和/或rach-ProbabilityAnchorList。
其中，上行底噪抬升值不同的载波对应不同的物理随机接入信道选择门限信息列表。
可选地，根据所述载波对应的物理随机接入信道门限信息列表确定自身所处的覆盖增强等级之后，所述方法还包括：
根据自身所处的覆盖增强等级的信道配置发送上行数据。
本实施例中，物理随机接入信道选择门限信息列表即为RSRP门限列表。在网络侧设备进行配置时，可以根据不同载波的上行底噪抬升值，差异化的设置不同载波的物理随机接入信道选择门限信息列表。这样终端根据随机接入过程所选择的载波及相应载波对应的物理随机接入信道选择门限信息列表，确认自身所处的覆盖增强等级，并采用此覆盖增强等级对应的配置(如重复次数)发起随机接入过程。
可选地，所述获取载波与物理随机接入信道选择门限信息列表的对应关系包括：
接收网络侧设备发送的载波信息，所述载波信息包括载波对应的物理随机接入信道选择门限信息列表。
可选地，所述载波信息携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
其中，广播消息包括SIB2或SIB22。以载波信息携带在MSG4(消息4包括但不限于RRCConnectionSetup-NB(基站向终端发送的RRC连接建立)或RRCConnectionResume-NB(基站向终端发送的RRC连接恢复)或RRCConnectionReestablishment-NB(基站向终端发送的RRC连接重建)或RRCEarlyDataComplete-NB(基站向终端发送的RRC提前数据完成)或RRCConnectionReject-NB(基站向终端发送的RRC连接拒绝)等)为例，终端收到MSG4后，解析MSG4中包含的后续调度载波信息(包含载波间功率差、物理随机接入信道选择门限信息列表)，根据载波对应的物理随机接入信道选择门限信息列表和对应载波的RSRP测量值，判断自身所处的覆盖增强等级，并采用此覆盖增强等级对应的配置(如重复次数)发送MSG5及后续的上行数据。
可选地，所述根据所述载波对应的物理随机接入信道选择门限信息列表确定自身所处的覆盖增强等级包括：
获取所述载波的RSRP测量值；
根据所述载波的RSRP测量值和所述载波对应的物理随机接入信道选择门限信息列表确定自身所处的覆盖增强等级。
可选地，获取载波的RSRP测量值包括以下任一种：
在空闲态或连接态通过同频或异频测量载波的信号强度，得到所述载波的RSRP测量值；
测量得到主载波的RSRP测量值，根据辅载波与主载波的功率差得到辅载波的RSRP测量值。
可选地，所述辅载波与主载波的功率差携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
如果终端在空闲态或连接态可以同频、异频测量多个载波的信号强度，即RSRP，则此时终端可获取到服务小区多个载波的RSRP测量值。如果终端仅可测量主载波的信号强度即RSRP，则终端可以测量主载波的RSRP，根据各个辅载波与主载波的功率差折算出各个辅载波的RSRP，比如针对R14终端而言，终端测量到主载波的RSRP，根据广播消息中收到的各个辅载波与主载波的功率差折算出各个辅载波的RSRP；针对R13终端而言，终端测量到主载波的RSRP，根据MSG4中收到的各个辅载波与主载波的功率差折算出各个辅载波的RSRP。
一具体实施例中，假设小区中存在两个载波，一个主载波，对应的上行底噪抬升值为10dB，一个辅载波，对应的上行底噪抬升值为20dB，主辅载波的基站发射功率为32dBm。则在广播消息中配置主载波的物理随机接入信道选择门限信息列表为-102dBm(对应路损值为134dB)，-112dBm(对应路损值为144dB)；配置辅载波的物理随机接入信道选择门限信息列表为-92dB(对应路损值为124dB)，-102dB(对应路损值为134dB)。终端当前测量到主载波、辅载波的RSRP分别为-96dBm、-96dBm。若终端在主载波上发起随机接入，则根据主载波的物理随机接入信道选择门限信息列表判断自身所处的覆盖增强等级，即覆盖增强等级0，采用覆盖增强等级0的信道配置发起随机接入(如重复次数1次)；若终端在辅载波上发起随机接入，则根据辅载波的物理随机接入信道选择门限信息列表判断自身所处的覆盖增强等级，即覆盖增强等级1，采用覆盖增强等级1的信道配置进发起随机接入(如重复次数2次)
另一具体实施例中，假设小区中配置了两个载波，主载波的基站发射功率为32dBm，辅载波与主载波的发射功率差为3dB，若终端仅可测量到主载波的信号强度(RSRP)为-100dBm。终端可通过主载波发射功率和主辅载波功率差值计算得到辅载波的信号强度，即-103dBm。终端根据不同载波的物理随机接入信道选择门限信息列表和测量到的信号强度，确定对应载波上的覆盖增强等级。
本实施例中，终端选择进行随机接入过程的载波，并根据所选择载波对应的物理随机接入信道选择门限信息列表和RSRP测量值，确定自身所处的覆盖增强等级，并采用此覆盖增强等级对应的配置进行上行数据传输，能够提高传输成功率。
本公开实施例还提供了一种覆盖增强等级的确定方法，应用于网络侧设备，如图2所示，包括：
步骤201：向终端发送不同载波的物理随机接入信道选择门限信息列表，其中，上行底噪抬升值不同的载波对应不同的物理随机接入信道选择门限信息列表。
本实施例中，上行底噪抬升值不同的载波对应不同的物理随机接入信道选择门限信息列表，终端可以根据不同载波的物理随机接入信道选择门限信息列表，选择准确的覆盖增强等级，进而确定相应的信道传输配置，以提升传输成功率，同时能够保证网络侧设备的解调成功率。
可选地，不同载波的物理随机接入信道选择门限信息列表包括以下任一种：
每个载波独立的物理随机接入信道选择门限信息列表；
主载波的物理随机接入信道选择门限信息列表和各辅载波相对主载波的偏置值。
可选地，所述偏置值是各辅载波相对主载波的上行底噪抬升的偏置值。
其中，可以向终端发送每个载波独立的物理随机接入信道选择门限信息列表，也可以以主载波(anchor载波)的物理随机接入信道选择门限信息列表为基准，向终端发送其他辅载波(non-anchor载波)相对主载波的上行底噪抬升的偏置量，即发送主载波的物理随机接入信道选择门限信息列表和各辅 载波相对主载波的上行底噪抬升的偏置量。一具体示例中，假设小区中存在两个载波，一个主载波，对应的上行底噪抬升为10dB，一个辅载波，对应的上行底噪抬升为20dB。则在广播消息中发送主载波的物理随机接入信道选择门限信息列表为-102dBm(对应路损值为134dB)，-112dBm(对应路损值为144dB)，以及辅载波的物理随机接入信道选择门限偏置为10dB，该10dB即辅载波相对主载波的上行底噪抬升的偏置量。
可选地，所述物理随机接入信道选择门限信息列表携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
可选地，所述方法还包括：
向终端发送辅载波与主载波的功率差。
可选地，所述辅载波与主载波的功率差携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
本实施例中，基站可以在广播消息中增加对不同载波覆盖增强等级门限列表的区分，即为不同的载波下发不同的物理随机接入信道选择门限信息列表，以便终端根据不同载波的门限列表确定随机接入时的覆盖增强等级；基站还可以在MSG4中增加对不同载波覆盖增强等级门限列表的区分，即为不同的载波下发不同的物理随机接入信道选择门限信息列表，以便终端根据不同载波的门限列表确定发送MSG5及后续上行数据的信道配置(如重复次数)。
本实施例中，物理随机接入信道选择门限信息列表即为RSRP门限列表。
本公开实施例还提供了一种覆盖增强等级的确定装置，应用于终端，如图3所示，包括：
获取模块31，用于接收不同载波的物理随机接入信道选择门限信息列表，其中，上行底噪抬升值不同的载波对应不同的物理随机接入信道选择门限信息列表；
处理模块32，用于根据不同载波的随机接入概率，选择发起随机接入的载波，根据所述载波对应的物理随机接入信道门限信息列表确定自身所处的 覆盖增强等级。
本实施例中，上行底噪抬升值不同的载波对应不同的物理随机接入信道选择门限信息列表，终端可以根据不同载波的物理随机接入信道选择门限信息列表，选择准确的覆盖增强等级，进而确定相应的信道传输配置，以提升传输成功率，同时能够保证网络侧设备的解调成功率。
可选地，所述处理模块32还用于根据自身所处的覆盖增强等级的信道配置发送上行数据。
可选地，所述获取模块31具体用于接收网络侧设备发送的载波信息，所述载波信息包括载波对应的物理随机接入信道选择门限信息列表。
可选地，所述物理随机接入信道选择门限信息列表携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
可选地，所述处理模块32具体用于获取所述载波的RSRP测量值；根据所述载波的RSRP测量值和所述载波对应的物理随机接入信道选择门限信息列表确定自身所处的覆盖增强等级。
可选地，所述处理模块32具体用于执行以下任一种：
在空闲态或连接态通过同频或异频测量载波的信号强度，得到所述载波的RSRP测量值；
测量得到主载波的RSRP测量值，根据辅载波与主载波的功率差得到辅载波的RSRP测量值。
可选地，所述辅载波与主载波的功率差携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
本公开实施例还提供了一种覆盖增强等级的确定装置，应用于终端，如图4所示，包括处理器41和收发器42，
所述收发器42用于接收不同载波的物理随机接入信道选择门限信息列表，其中，上行底噪抬升值不同的载波对应不同的物理随机接入信道选择门限信息列表；
所述处理器41用于确定发起随机接入的载波，根据所述载波对应的物理随机接入信道选择门限信息列表确定自身所处的覆盖增强等级。
本实施例中，上行底噪抬升值不同的载波对应不同的物理随机接入信道选择门限信息列表，终端可以根据不同载波的物理随机接入信道选择门限信息列表，选择准确的覆盖增强等级，进而确定相应的信道传输配置，以提升传输成功率，同时能够保证网络侧设备的解调成功率。
可选地，所述收发器42还用于根据自身所处的覆盖增强等级的信道配置发送上行数据。
可选地，所述收发器42具体用于接收网络侧设备发送的载波信息，所述载波信息包括载波对应的物理随机接入信道选择门限信息列表。
可选地，所述载波信息携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
可选地，所述处理器41具体用于获取所述载波的RSRP测量值；根据所述载波的RSRP测量值和所述载波对应的物理随机接入信道选择门限信息列表确定自身所处的覆盖增强等级。
可选地，所述处理器41具体用于执行以下任一种：
在空闲态或连接态通过同频或异频测量载波的信号强度，得到所述载波的RSRP测量值；
测量得到主载波的RSRP测量值，根据辅载波与主载波的功率差得到辅载波的RSRP测量值。
可选地，所述辅载波与主载波的功率差携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
本公开实施例还提供了一种覆盖增强等级的确定装置，应用于网络侧设备，如图5所示，包括：
发送模块51，用于向终端发送不同载波的物理随机接入信道选择门限信息列表，其中，上行底噪抬升值不同的载波对应不同的物理随机接入信道选择门限信息列表。
本实施例中，上行底噪抬升值不同的载波对应不同的物理随机接入信道选择门限信息列表，终端可以根据不同载波的物理随机接入信道选择门限信息列表，选择准确的覆盖增强等级，进而确定相应的信道传输配置，以提升传输成功率，同时能够保证网络侧设备的解调成功率。
可选地，不同载波的物理随机接入信道选择门限信息列表包括以下任一种：
每个载波独立的物理随机接入信道选择门限信息列表；
主载波的物理随机接入信道选择门限信息列表和各辅载波相对主载波的偏置值。
可选地，所述偏置值是各辅载波相对主载波的上行底噪抬升的偏置值。
可选地，所述载波信息携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
可选地，所述发送模块51还用于向终端发送辅载波与主载波的功率差。
可选地，所述辅载波与主载波的功率差携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
本公开实施例还提供了一种覆盖增强等级的确定装置，应用于网络侧设备，如图6所示，包括处理器61和收发器62，
所述收发器62用于向终端发送不同载波的物理随机接入信道选择门限信息列表，其中，上行底噪抬升值不同的载波对应不同的物理随机接入信道选择门限信息列表。
本实施例中，上行底噪抬升值不同的载波对应不同的物理随机接入信道选择门限信息列表，终端可以根据不同载波的物理随机接入信道选择门限信息列表，选择准确的覆盖增强等级，进而确定相应的信道传输配置，以提升传输成功率，同时能够保证网络侧设备的解调成功率。
可选地，不同载波的物理随机接入信道选择门限信息列表包括以下任一种：
每个载波独立的物理随机接入信道选择门限信息列表；
主载波的物理随机接入信道选择门限信息列表和各辅载波相对主载波的偏置值。
可选地，所述偏置值是各辅载波相对主载波的上行底噪抬升的偏置值。
可选地，所述载波信息携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
可选地，所述收发器62还用于向终端发送辅载波与主载波的功率差。
可选地，所述辅载波与主载波的功率差携带在以下至少一种消息中：
广播消息；
随机接入过程中的MSG4。
本公开实施例还提供了一种通信设备，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，所述计算机程序被所述处理器执行时实现如上所述的覆盖增强等级的确定方法中的步骤。
该通信设备可以是网络侧设备比如基站，也可以是终端。
本公开实施例还提供了一种计算机可读存储介质，所述计算机可读存储介质上存储有计算机程序，所述计算机程序被处理器执行时实现如上所述的覆盖增强等级的确定方法中的步骤。
可以理解的是，本文描述的这些实施例可以用硬件、软件、固件、中间件、微码或其组合来实现。对于硬件实现，处理单元可以实现在一个或多个专用集成电路(Application Specific Integrated Circuits，ASIC)、数字信号处理器(Digital Signal Processing，DSP)、数字信号处理设备(DSP Device，DSPD)、可编程逻辑设备(Programmable Logic Device，PLD)、现场可编程门阵列(Field-Programmable Gate Array，FPGA)、通用处理器、控制器、微控制器、微处理器、用于执行本申请所述功能的其它电子单元或其组合中。
对于软件实现，可通过执行本文所述功能的模块(例如过程、函数等)来实现本文所述的技术。软件代码可存储在存储器中并通过处理器执行。存储器可以在处理器中或在处理器外部实现。
本说明书中的各个实施例均采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似的部分互相参见 即可。
本领域内的技术人员应明白，本公开实施例的实施例可提供为方法、装置、或计算机程序产品。因此，本公开实施例可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本公开实施例可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本公开实施例是参照根据本公开实施例的方法、用户终端设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理用户终端设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理用户终端设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理用户终端设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理用户终端设备上，使得在计算机或其他可编程用户终端设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程用户终端设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
尽管已描述了本公开实施例的可选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例做出另外的变更和修改。所以，所附权利要求意欲解释为包括可选实施例以及落入本公开实施例范围的所有变更和修改。
还需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用 来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者用户终端设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者用户终端设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者用户终端设备中还存在另外的相同要素。
需要说明的是，应理解以上各个模块的划分仅仅是一种逻辑功能的划分，实际实现时可以全部或部分集成到一个物理实体上，也可以物理上分开。且这些模块可以全部以软件通过处理元件调用的形式实现；也可以全部以硬件的形式实现；还可以部分模块通过处理元件调用软件的形式实现，部分模块通过硬件的形式实现。例如，确定模块可以为单独设立的处理元件，也可以集成在上述装置的某一个芯片中实现，此外，也可以以程序代码的形式存储于上述装置的存储器中，由上述装置的某一个处理元件调用并执行以上确定模块的功能。其它模块的实现与之类似。此外这些模块全部或部分可以集成在一起，也可以独立实现。这里所述的处理元件可以是一种集成电路，具有信号的处理能力。在实现过程中，上述方法的各步骤或以上各个模块可以通过处理器元件中的硬件的集成逻辑电路或者软件形式的指令完成。
例如，各个模块、单元、子单元或子模块可以是被配置成实施以上方法的一个或多个集成电路，例如：一个或多个特定集成电路(Application Specific Integrated Circuit，ASIC)，或，一个或多个微处理器(digital signal processor，DSP)，或，一个或者多个现场可编程门阵列(Field Programmable Gate Array，FPGA)等。再如，当以上某个模块通过处理元件调度程序代码的形式实现时，该处理元件可以是通用处理器，例如中央处理器(Central Processing Unit，CPU)或其它可以调用程序代码的处理器。再如，这些模块可以集成在一起，以片上系统(system-on-a-chip，SOC)的形式实现。
本公开的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的 数据在适当情况下可以互换，以便这里描述的本公开的实施例，例如除了在这里图示或描述的那些以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。此外，说明书以及权利要求中使用“和/或”表示所连接对象的至少其中之一，例如A和/或B和/或C，表示包含单独A，单独B，单独C，以及A和B都存在，B和C都存在，A和C都存在，以及A、B和C都存在的7种情况。类似地，本说明书以及权利要求中使用“A和B中的至少一个”应理解为“单独A，单独B，或A和B都存在”。
以上所述的是本公开的可选实施方式，应当指出对于本技术领域的普通人员来说，在不脱离本公开所述的原理前提下还可以作出若干改进和润饰，这些改进和润饰也在本公开的保护范围内。

Claims (21)

  1. 一种覆盖增强等级的确定方法，应用于终端，包括：
    接收不同载波的物理随机接入信道选择门限信息列表；
    根据不同载波的随机接入概率，选择发起随机接入的载波，根据所述载波对应的物理随机接入信道门限信息列表确定自身所处的覆盖增强等级。
  2. 根据权利要求1所述的覆盖增强等级的确定方法，其中，根据所述载波对应的物理随机接入信道门限信息列表确定自身所处的覆盖增强等级之后，所述方法还包括：
    根据自身所处的覆盖增强等级的信道配置发送上行数据。
  3. 根据权利要求1所述的覆盖增强等级的确定方法，其中，上行底噪抬升值不同的载波对应不同的物理随机接入信道选择门限信息列表。
  4. 根据权利要求1所述的覆盖增强等级的确定方法，其中，所述接收不同载波的物理随机接入信道选择门限信息列表包括：
    接收网络侧设备发送的载波信息，所述载波信息包括载波对应的物理随机接入信道选择门限信息列表。
  5. 根据权利要求4所述的覆盖增强等级的确定方法，其中，所述载波信息携带在以下至少一种消息中：
    广播消息；
    随机接入过程中的MSG4。
  6. 根据权利要求1所述的覆盖增强等级的确定方法，其中，所述根据所述载波对应的物理随机接入信道选择门限信息列表确定自身所处的覆盖增强等级包括：
    获取所述载波的RSRP测量值；
    根据所述载波的RSRP测量值和所述载波对应的物理随机接入信道选择门限信息列表确定自身所处的覆盖增强等级。
  7. 根据权利要求6所述的覆盖增强等级的确定方法，其中，获取载波的RSRP测量值包括以下任一种：
    在空闲态或连接态通过同频或异频测量载波的信号强度，得到所述载波 的RSRP测量值；
    测量得到主载波的RSRP测量值，根据辅载波与主载波的功率差得到辅载波的RSRP测量值。
  8. 根据权利要求7所述的覆盖增强等级的确定方法，其中，所述辅载波与主载波的功率差携带在以下至少一种消息中：
    广播消息；
    随机接入过程中的MSG4。
  9. 一种覆盖增强等级的确定方法，应用于网络侧设备，包括：
    向终端发送不同载波的物理随机接入信道选择门限信息列表。
  10. 根据权利要求9所述的覆盖增强等级的确定方法，其中，上行底噪抬升值不同的载波对应不同的物理随机接入信道选择门限信息列表。
  11. 根据权利要求9所述的覆盖增强等级的确定方法，其中，不同载波的物理随机接入信道选择门限信息列表包括以下任一种：
    每个载波独立的物理随机接入信道选择门限信息列表；
    主载波的物理随机接入信道选择门限信息列表和各辅载波相对主载波的偏置值。
  12. 根据权利要求9所述的覆盖增强等级的确定方法，其中，所述偏置值是各辅载波相对主载波的上行底噪抬升的偏置值。
  13. 根据权利要求9所述的覆盖增强等级的确定方法，其中，所述物理随机接入信道选择门限信息列表携带在以下至少一种消息中：
    广播消息；
    随机接入过程中的MSG4。
  14. 根据权利要求9所述的覆盖增强等级的确定方法，还包括：
    向终端发送辅载波与主载波的功率差。
  15. 根据权利要求14所述的覆盖增强等级的确定方法，其中，所述辅载波与主载波的功率差携带在以下至少一种消息中：
    广播消息；
    随机接入过程中的MSG4。
  16. 一种覆盖增强等级的确定装置，应用于终端，包括：
    获取模块，用于接收不同载波的物理随机接入信道选择门限信息列表；
    处理模块，用于根据不同载波的随机接入概率，选择发起随机接入的载波，根据所述载波对应的物理随机接入信道门限信息列表确定自身所处的覆盖增强等级。
  17. 一种覆盖增强等级的确定装置，应用于终端，包括处理器和收发器，
    所述收发器用于接收不同载波的物理随机接入信道选择门限信息列表；
    所述处理器用于根据不同载波的随机接入概率，选择发起随机接入的载波，根据所述载波对应的物理随机接入信道门限信息列表确定自身所处的覆盖增强等级。
  18. 一种覆盖增强等级的确定装置，应用于网络侧设备，包括：
    发送模块，用于向终端发送不同载波的物理随机接入信道选择门限信息列表。
  19. 一种覆盖增强等级的确定装置，应用于网络侧设备，包括处理器和收发器，
    所述收发器用于向终端发送不同载波的物理随机接入信道选择门限信息列表。
  20. 一种通信设备，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，所述计算机程序被所述处理器执行时实现如权利要求1至15中任一项所述的覆盖增强等级的确定方法中的步骤。
  21. 一种计算机可读存储介质，所述计算机可读存储介质上存储有计算机程序，所述计算机程序被处理器执行时实现如权利要求1至15中任一项所述的覆盖增强等级的确定方法中的步骤。
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