WO2022193303A1 - 一种随机接入方法、随机接入装置及存储介质 - Google Patents

一种随机接入方法、随机接入装置及存储介质 Download PDF

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Publication number
WO2022193303A1
WO2022193303A1 PCT/CN2021/081855 CN2021081855W WO2022193303A1 WO 2022193303 A1 WO2022193303 A1 WO 2022193303A1 CN 2021081855 W CN2021081855 W CN 2021081855W WO 2022193303 A1 WO2022193303 A1 WO 2022193303A1
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Prior art keywords
random access
terminal
type
rsrp
rsrp threshold
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PCT/CN2021/081855
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English (en)
French (fr)
Inventor
牟勤
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北京小米移动软件有限公司
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Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to EP21930893.9A priority Critical patent/EP4311294A1/en
Priority to CN202180000840.6A priority patent/CN113170344A/zh
Priority to PCT/CN2021/081855 priority patent/WO2022193303A1/zh
Publication of WO2022193303A1 publication Critical patent/WO2022193303A1/zh

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    • H04W74/0836—
    • 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
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure

Definitions

  • the present disclosure relates to the field of wireless communication technologies, and in particular, to a random access method, a random access device, and a storage medium.
  • the terminal can support both random access of 4-step random access channel (Random Access Channel, RACH), and random access of 2-step RACH. Wherein, whether the terminal uses 4-step random access or 2-step random access is determined based on the reference signal received power (Reference Signal Receiving Power, RSRP) measurement value of the terminal.
  • the terminal receives an RSRP threshold value broadcast by the network side device, and when the RSRP measurement value of the terminal is higher than or equal to the RSRP threshold value, it is determined to use 2-step random access.
  • RSRP Reference Signal Receiving Power
  • Redcap terminals are introduced. Due to the antenna efficiency loss (antenna efficiency loss) of Redcap terminals, the RSRP measurement value is relatively low, so that some Redcap terminals cannot use the power brought by 2-step random access. Saving benefits.
  • the present disclosure provides a random access method, a random access device and a storage medium.
  • a random access method is provided, applied to a terminal, and the method includes:
  • the type of the terminal includes a first type and a second type.
  • the RSRP threshold value includes a first RSRP threshold value and a second RSRP threshold value; the first RSRP threshold value corresponds to the terminal of the first type, and the second RSRP threshold value The limit value corresponds to the terminal of the second type.
  • a two-step RACH random access is performed, including:
  • a two-step RACH random access is performed.
  • a two-step RACH random access is performed, including:
  • a two-step RACH random access is performed.
  • the communication capability of the first type terminal is lower than the communication capability of the second type terminal, and the first RSRP threshold value is lower than the second RSRP threshold value.
  • the RSRP threshold value includes a third RSRP threshold value.
  • the random access of the two-step random access channel RACH based on the RSRP measurement value of the terminal and the RSRP threshold value includes:
  • a two-step random access channel RACH is performed.
  • the random access of the two-step random access channel RACH based on the RSRP measurement value of the terminal and the RSRP threshold value includes:
  • a two-step random access channel RACH randomization is performed. access.
  • the RSRP offset value is determined based on a predefined rule or a communication protocol.
  • a random access method applied to a network side device, the method includes:
  • the RSRP threshold is used for the terminal to determine to perform random access to the two-step random access channel RACH; wherein the type of the terminal includes the first type and the second type .
  • the RSRP threshold value includes a first RSRP threshold value and a second RSRP threshold value
  • the first RSRP threshold value corresponds to the terminal of the first type
  • the second RSRP threshold value corresponds to the terminal of the second type.
  • the communication capability of the terminal of the first type is lower than the communication capability of the terminal of the second type, and the first RSRP threshold value is lower than the second RSRP threshold value.
  • the RSRP threshold value includes a third RSRP threshold value.
  • a random access apparatus which is applied to a terminal, and the apparatus includes:
  • a determination module configured to determine the type of the terminal, and a reference signal received power RSRP threshold value corresponding to the type of the terminal; an access module, configured to be based on the RSRP measurement value of the terminal and the RSRP threshold value, The random access of the two-step random access channel RACH is performed; wherein, the types of the terminals include the first type and the second type.
  • the RSRP threshold value includes a first RSRP threshold value and a second RSRP threshold value; the first RSRP threshold value corresponds to the terminal of the first type, and the second RSRP threshold value The limit value corresponds to the terminal of the second type.
  • the access module is used for:
  • a two-step RACH random access is performed.
  • the access module is used for:
  • a two-step RACH random access is performed.
  • the communication capability of the first type terminal is lower than the communication capability of the second type terminal, and the first RSRP threshold value is lower than the second RSRP threshold value.
  • the RSRP threshold value includes a third RSRP threshold value.
  • the access module is used for:
  • a two-step random access channel RACH is performed.
  • the access module is used for:
  • a two-step random access channel RACH randomization is performed. access.
  • the RSRP offset value is determined based on a predefined rule or a communication protocol.
  • an apparatus for random access which is applied to a network side device, and the apparatus includes:
  • a determination module configured to determine at least one reference signal received power RSRP threshold; the RSRP threshold is used for the terminal to determine to perform random access to the two-step random access channel RACH; wherein the type of the terminal includes the first type and second type.
  • the RSRP threshold value includes a first RSRP threshold value and a second RSRP threshold value
  • the first RSRP threshold value corresponds to the terminal of the first type
  • the second RSRP threshold value corresponds to the terminal of the second type.
  • the communication capability of the terminal of the first type is lower than the communication capability of the terminal of the second type, and the first RSRP threshold value is lower than the second RSRP threshold value.
  • the RSRP threshold value includes a third RSRP threshold value.
  • a random access apparatus including:
  • processor configured to: execute the random access method described in the first aspect or any implementation manner of the first aspect, or execute the first aspect The random access method described in the second aspect or any one of the implementation manners of the second aspect.
  • a non-transitory computer-readable storage medium which enables the mobile terminal to execute the first aspect or the first aspect when instructions in the storage medium are executed by a processor of a mobile terminal.
  • the random access method described in any one of the embodiments of the aspect, or, the second aspect or the random access method described in any one of the embodiments of the second aspect is performed.
  • the terminal can determine the RSRP threshold value corresponding to its own type, and then determine whether the random access of the two-step RACH can be used according to the determined RSRP threshold value. enter. Some terminals can be made to normally use the random access of the two-step RACH, and the power waste of some terminals can be avoided.
  • FIG. 1 is an architectural diagram of a communication system between a network device and a terminal according to an exemplary embodiment.
  • Fig. 2 is a flow chart of a random access method according to an exemplary embodiment.
  • Fig. 3 is a flow chart of yet another random access method according to an exemplary embodiment.
  • Fig. 4 is a flow chart of yet another random access method according to an exemplary embodiment.
  • Fig. 5 is a flow chart of yet another random access method according to an exemplary embodiment.
  • Fig. 6 is a flow chart of yet another random access method according to an exemplary embodiment.
  • Fig. 7 is a flow chart of yet another random access method according to an exemplary embodiment.
  • Fig. 8 is a block diagram of a random access apparatus according to an exemplary embodiment.
  • Fig. 9 is a block diagram of another random access apparatus according to an exemplary embodiment.
  • Fig. 10 is a block diagram of an apparatus for random access according to an exemplary embodiment.
  • Fig. 11 is a block diagram of yet another apparatus for random access according to an exemplary embodiment.
  • first, second, third, etc. may be used in embodiments of the present disclosure to describe various pieces of information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
  • the words "if” and “if” as used herein can be interpreted as "at the time of” or "when” or "in response to determining.”
  • FIG. 1 is an architectural diagram of a communication system between a network device and a terminal according to an exemplary embodiment.
  • the communication method provided by the present disclosure can be applied to the communication system architecture diagram shown in FIG. 1 .
  • the network side device may send signaling based on the architecture shown in FIG. 1 .
  • the communication system between the network device and the terminal shown in FIG. 1 is only a schematic illustration, and the wireless communication system may also include other network devices, such as core network devices, wireless relay devices, and wireless backhaul devices. Transmission equipment, etc., are not shown in Figure 1.
  • the embodiments of the present disclosure do not limit the number of network devices and the number of terminals included in the wireless communication system.
  • the wireless communication system is a network that provides a wireless communication function.
  • Wireless communication systems can use different communication technologies, such as code division multiple access (CDMA), wideband code division multiple access (WCDMA), time division multiple access (TDMA) , frequency division multiple access (frequency division multiple access, FDMA), orthogonal frequency division multiple access (orthogonal frequency-division multiple access, OFDMA), single carrier frequency division multiple access (single Carrier FDMA, SC-FDMA), carrier sense Carrier Sense Multiple Access with Collision Avoidance.
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • TDMA time division multiple access
  • FDMA frequency division multiple access
  • OFDMA orthogonal frequency division multiple access
  • single carrier frequency division multiple access single Carrier FDMA, SC-FDMA
  • carrier sense Carrier Sense Multiple Access with Collision Avoidance CDMA
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • TDMA time division multiple access
  • OFDMA orthogonal
  • the network can be divided into 2G (English: generation) network, 3G network, 4G network or future evolution network, such as 5G network, 5G network can also be called a new wireless network ( New Radio, NR).
  • 2G International: generation
  • 3G network 4G network or future evolution network, such as 5G network
  • 5G network can also be called a new wireless network ( New Radio, NR).
  • New Radio New Radio
  • the present disclosure will sometimes refer to a wireless communication network simply as a network.
  • the wireless access network equipment may be: a base station, an evolved node B (base station), a home base station, an access point (AP) in a wireless fidelity (WIFI) system, a wireless relay A node, a wireless backhaul node, a transmission point (TP) or a transmission and reception point (TRP), etc., can also be a gNB in an NR system, or can also be a component or part of a device that constitutes a base station Wait.
  • the network device may also be an in-vehicle device. It should be understood that, in the embodiments of the present disclosure, the specific technology and specific device form adopted by the network device are not limited.
  • the terminal involved in the present disclosure may also be referred to as terminal equipment, user equipment (User Equipment, UE), mobile station (Mobile Station, MS), mobile terminal (Mobile Terminal, MT), etc.
  • a device that provides voice and/or data connectivity for example, a terminal may be a handheld device with wireless connectivity, a vehicle-mounted device, or the like.
  • some examples of terminals are: Smartphone (Mobile Phone), Pocket Personal Computer (PPC), PDA, Personal Digital Assistant (PDA), notebook computer, tablet computer, wearable device, or Vehicle equipment, etc.
  • the terminal device may also be an in-vehicle device. It should be understood that the embodiments of the present disclosure do not limit the specific technology and specific device form adopted by the terminal.
  • the terminal can support both random access of 4-step random access channel (Random Access Channel, RACH), and random access of 2-step RACH. Wherein, whether the terminal uses 4-step random access or 2-step random access is determined based on the reference signal received power (Reference Signal Receiving Power, RSRP) measurement value of the terminal.
  • the terminal receives an RSRP threshold value broadcast by the network side device, and when the RSRP measurement value of the terminal is higher than or equal to the RSRP threshold value, it is determined to use 2-step random access.
  • RSRP Reference Signal Receiving Power
  • the value of RSRP may reflect the distance between the terminal and the network side device (eg, base station).
  • the network side device eg, base station
  • the distance between the terminal and the base station is within the coverage distance of one base station, that is, the terminal can be covered by one base station. Data can be sent even if the terminal does not know the cell in which it is located.
  • 2-step RACH random access can be used.
  • Redcap terminals are smaller in size and suffer from a loss of antenna efficiency. Therefore, if the distance between the Redcap terminal and the base station is within the coverage based on, the RSRP measurement value of the Redcap terminal is still lower than the RSRP threshold. As a result, this part of Redcap terminals cannot enjoy the benefit of power saving brought by 2-step RACH.
  • the present disclosure provides a random access method to re-determine the RSRP threshold value of the terminal. That is, the corresponding RSRP thresholds are determined for different types of terminals, so as to avoid the problem that some terminals cannot use the 2-step RACH normally, thereby saving the waste of terminal power.
  • Fig. 2 is a flow chart of a random access method according to an exemplary embodiment. As shown in FIG. 2 , the random access method is used in a terminal, and includes the following steps.
  • step S11 the type of the terminal and the RSRP threshold corresponding to the type of the terminal are determined.
  • step S12 two-step RACH random access is performed based on the RSRP measurement value of the terminal and the RSRP threshold value.
  • the types of the terminals may include the first type and the second type, and certainly may also include other types.
  • the terminal determines its own type, and determines the RSRP threshold value corresponding to the type according to the terminal's own type.
  • the terminal determines the current RSRP measurement value, and determines to perform two-step RACH random access according to the magnitude relationship between the RSRP measurement value and the RSRP threshold value.
  • the terminal can determine the corresponding RSRP threshold value according to its own type. Using this RSRP threshold, random access using two-step RACH is determined. The problem that some terminals cannot normally use the random access of the two-step RACH is solved, and the power waste of these terminals is avoided.
  • the network may configure multiple RSRP thresholds for the terminal, where each RSRP threshold corresponds to a different terminal type.
  • the RSRP threshold value includes a first RSRP threshold value and a second RSRP threshold value.
  • the first RSRP threshold value corresponds to the terminal of the first type
  • the second RSRP threshold value corresponds to the terminal of the second type.
  • Fig. 3 is a flow chart of a random access method according to an exemplary embodiment. As shown in FIG. 3 , the random access method used in the terminal includes the following steps.
  • step S21 in response to the type of the terminal being the first type, if the RSRP measurement value of the terminal is greater than or equal to the first RSRP threshold value, a two-step RACH random access is performed.
  • the terminal determines that its own type is the first type, uses the first RSRP threshold value, determines to perform two-step RACH random access, and determines the current RSRP measurement value. In response to the RSRP measurement value of the terminal being greater than or equal to the first RSRP threshold value, a two-step RACH random access is performed.
  • Fig. 4 is a flow chart of a random access method according to an exemplary embodiment. As shown in FIG. 4 , the random access method used in the terminal includes the following steps.
  • step S31 in response to the type of the terminal being the second type, if the RSRP measurement value of the terminal is greater than or equal to the second RSRP threshold, a two-step RACH random access is performed.
  • the terminal determines that its own type is the second type, uses the second RSRP threshold, determines to perform two-step RACH random access, and determines the current RSRP measurement value. In response to the RSRP measurement value of the terminal being greater than or equal to the second RSRP threshold value, a two-step RACH random access is performed.
  • the communication capability of the first type terminal is lower than the communication capability of the second type terminal.
  • the terminal of the first type may be a terminal with normal communication capability.
  • the second type of terminal can be all Redcap terminals of relatively low capability.
  • the terminals of the first type are all terminals except the terminals of the second type, and the terminals of the second type are some of the Redcap terminals, for example, wearable terminals or industrial sensor terminals.
  • the determined first RSRP threshold value is lower than the second RSRP threshold value.
  • the network may configure a common RSRP threshold for the terminal, where the common RSRP threshold is applicable to all terminals.
  • the network can send the public RSRP threshold value by way of broadcasting.
  • the RSRP threshold value is referred to as the third RSRP threshold value.
  • the RSRP threshold value includes a third RSRP threshold value.
  • the first type of terminal may be a terminal with normal communication capability.
  • the second type of terminal can be all Redcap terminals of relatively low capability.
  • the terminals of the first type are all terminals except the terminals of the second type, and the terminals of the second type are some of the Redcap terminals, for example, wearable terminals or industrial sensor terminals.
  • the third RSRP threshold is for all terminal types.
  • Fig. 5 is a flow chart of a random access method according to an exemplary embodiment. As shown in FIG. 5 , the random access method used in the terminal includes the following steps.
  • step S41 in response to the type of the terminal being the first type, if the RSRP measurement value of the terminal is greater than or equal to the third RSRP measurement value, the random access of the two-step random access channel RACH is performed.
  • the RSRP measurement value of the terminal in response to the type of the terminal being the first type, determine the RSRP measurement value of the terminal, and use the magnitude relationship between the determined RSRP measurement value and the third RSRP threshold value broadcast by the network side device to determine whether to perform Random access of the two-step random access channel RACH. If the RSRP measurement value of the terminal is greater than or equal to the third RSRP measurement value, the random access of the two-step random access channel RACH is performed.
  • Fig. 6 is a flow chart of a random access method according to an exemplary embodiment. As shown in FIG. 6 , the random access method used in the terminal includes the following steps.
  • step S51 in response to the type of the terminal being the second type, if the sum of the RSRP measurement value of the terminal and the RSRP offset value is greater than or equal to the third RSRP measurement value, a two-step random access channel RACH is performed. enter.
  • the RSRP measurement value of the terminal in response to the type of the terminal being the second type, is determined, and the RSRP offset value is further determined.
  • the RSRP measurement value is corrected based on the RSRP offset value, and the corrected RSRP measurement value is determined, that is, the sum of the RSRP measurement value and the RSRP measurement value of the terminal of the second type. If the sum of the RSRP measurement value of the terminal and the RSRP offset value is greater than or equal to the third RSRP measurement value, the random access of the two-step random access channel RACH is performed.
  • the RSRP offset value used by the terminal of the second type may be determined based on a predefined definition, and the RSRP offset value may also be determined based on a communication protocol.
  • the embodiments of the present disclosure also provide a random access method.
  • Fig. 7 is a flow chart of a random access method according to an exemplary embodiment. As shown in FIG. 7 , the random access method is used in a network side device, and includes the following steps.
  • step S61 at least one reference signal received power RSRP threshold is determined.
  • the RSRP threshold is used for the terminal to determine to perform random access of the two-step random access channel RACH.
  • the types of terminals may include the first type and the second type, and of course may also include other types.
  • the terminal determines its own type, and determines the RSRP threshold value corresponding to the type according to the terminal's own type.
  • the terminal determines the current RSRP measurement value, and determines to perform two-step RACH random access according to the magnitude relationship between the RSRP measurement value and the RSRP threshold value.
  • the terminal can determine the corresponding RSRP threshold value according to its own type. Using this RSRP threshold, random access using two-step RACH is determined. The problem that some terminals cannot normally use the random access of the two-step RACH is solved, and the power waste of these terminals is avoided.
  • the network may configure multiple RSRP thresholds for the terminal, where each RSRP threshold corresponds to a different terminal type.
  • the RSRP threshold value includes a first RSRP threshold value and a second RSRP threshold value.
  • the first RSRP threshold value corresponds to the terminal of the first type
  • the second RSRP threshold value corresponds to the terminal of the second type.
  • the terminal determines that its own type is the first type, uses the first RSRP threshold value, determines to perform two-step RACH random access, and determines the current RSRP measurement value. In response to the RSRP measurement value of the terminal being greater than or equal to the first RSRP threshold value, a two-step RACH random access is performed.
  • the terminal determines that its own type is the second type, uses the second RSRP threshold, determines to perform two-step RACH random access, and determines the current RSRP measurement value. In response to the RSRP measurement value of the terminal being greater than or equal to the second RSRP threshold value, a two-step RACH random access is performed.
  • the communication capability of the first type terminal is lower than the communication capability of the second type terminal.
  • the terminal of the first type may be a terminal with normal communication capability.
  • the second type of terminal can be all Redcap terminals of relatively low capability.
  • the terminals of the first type are all terminals except the terminals of the second type, and the terminals of the second type are some of the Redcap terminals, for example, wearable terminals or industrial sensor terminals.
  • the determined first RSRP threshold value is lower than the second RSRP threshold value.
  • the network may configure a common RSRP threshold for the terminal, where the common RSRP threshold is applicable to all terminals.
  • the network can send the public RSRP threshold value by way of broadcasting.
  • the RSRP threshold value is referred to as the third RSRP threshold value.
  • the RSRP threshold value includes a third RSRP threshold value.
  • the first type of terminal may be a terminal with normal communication capability.
  • the second type of terminal can be all Redcap terminals of relatively low capability.
  • the terminals of the first type are all terminals except the terminals of the second type, and the terminals of the second type are some of the Redcap terminals, for example, wearable terminals or industrial sensor terminals.
  • the third RSRP threshold is for all terminal types.
  • the RSRP measurement value of the terminal in response to the type of the terminal being the first type, determine the RSRP measurement value of the terminal, and use the magnitude relationship between the determined RSRP measurement value and the third RSRP threshold value broadcast by the network side device to determine whether to perform Random access of the two-step random access channel RACH. If the RSRP measurement value of the terminal is greater than or equal to the third RSRP measurement value, the random access of the two-step random access channel RACH is performed.
  • the random access of the two-step random access channel RACH is performed.
  • the RSRP measurement value of the terminal in response to the type of the terminal being the second type, is determined, and the RSRP offset value is further determined.
  • the RSRP measurement value is corrected based on the RSRP offset value, and the corrected RSRP measurement value is determined, that is, the sum of the RSRP measurement value and the RSRP measurement value of the terminal of the second type. If the sum of the RSRP measurement value of the terminal and the RSRP offset value is greater than or equal to the third RSRP measurement value, the random access of the two-step random access channel RACH is performed.
  • the RSRP offset value used by the terminal of the second type may be determined based on a predefined definition, and the RSRP offset value may also be determined based on a communication protocol.
  • an embodiment of the present disclosure also provides a random access apparatus.
  • the random access apparatus provided by the embodiments of the present disclosure includes corresponding hardware structures and/or software modules for executing each function.
  • the embodiments of the present disclosure can be implemented in hardware or a combination of hardware and computer software. Whether a function is performed by hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the technical solutions of the embodiments of the present disclosure.
  • Fig. 8 is a block diagram of a random access apparatus according to an exemplary embodiment.
  • the apparatus 100 for random access applied to a terminal, includes a determination module 101 and an access module 102 .
  • the determining module 101 is configured to determine the type of the terminal and the RSRP threshold value of the reference signal received power corresponding to the type of the terminal.
  • the access module 102 is configured to perform random access of the two-step random access channel RACH based on the RSRP measurement value of the terminal and the RSRP threshold value.
  • the types of terminals include the first type and the second type.
  • the RSRP threshold value includes a first RSRP threshold value and a second RSRP threshold value.
  • the first RSRP threshold value corresponds to the terminal of the first type
  • the second RSRP threshold value corresponds to the terminal of the second type.
  • the access module 102 is configured to perform two-step RACH random access if the RSRP measurement value of the terminal is greater than or equal to the first RSRP threshold in response to the type of the terminal being the first type.
  • the access module 102 is configured to perform two-step RACH random access if the RSRP measurement value of the terminal is greater than or equal to the second RSRP threshold in response to the type of the terminal being the second type.
  • the communication capability of the first type terminal is lower than the communication capability of the second type terminal, and the first RSRP threshold value is lower than the second RSRP threshold value.
  • the RSRP threshold value includes a third RSRP threshold value.
  • the access module 102 is configured to, in response to the type of the terminal being the first type, perform a two-step random access channel RACH randomization if the RSRP measurement value of the terminal is greater than or equal to the third RSRP measurement value. access.
  • the access module 102 is configured to, in response to the type of the terminal being the second type, perform two steps if the sum of the RSRP measurement value of the terminal and the RSRP offset value is greater than or equal to the third RSRP measurement value. Step Random Access Channel RACH random access.
  • the RSRP offset value is determined based on a predefined rule or a communication protocol.
  • Fig. 9 is a block diagram of a random access apparatus according to an exemplary embodiment.
  • the apparatus 200 for random access applied to a terminal, includes a determination module 201 .
  • the determining module 201 is configured to determine at least one RSRP threshold value of the received power of the reference signal.
  • the RSRP threshold value is used for the terminal to determine to perform random access of the two-step random access channel RACH.
  • the types of terminals include the first type and the second type.
  • the RSRP threshold value includes a first RSRP threshold value and a second RSRP threshold value.
  • the first RSRP threshold value corresponds to the terminal of the first type
  • the second RSRP threshold value corresponds to the terminal of the second type.
  • the communication capability of the first type terminal is lower than the communication capability of the second type terminal, and the first RSRP threshold value is lower than the second RSRP threshold value.
  • the RSRP threshold value includes a third RSRP threshold value.
  • FIG. 10 is a block diagram of an apparatus 300 for random access according to an exemplary embodiment.
  • apparatus 300 may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, fitness device, personal digital assistant, and the like.
  • apparatus 300 may include one or more of the following components: processing component 302, memory 304, power component 306, multimedia component 308, audio component 310, input/output (I/O) interface 312, sensor component 314, and Communication component 316 .
  • the processing component 302 generally controls the overall operation of the device 300, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 302 may include one or more processors 320 to execute instructions to perform all or some of the steps of the methods described above. Additionally, processing component 302 may include one or more modules that facilitate interaction between processing component 302 and other components. For example, processing component 302 may include a multimedia module to facilitate interaction between multimedia component 308 and processing component 302 .
  • Memory 304 is configured to store various types of data to support operations at device 300 . Examples of such data include instructions for any application or method operating on device 300, contact data, phonebook data, messages, pictures, videos, and the like. Memory 304 may be implemented by any type of volatile or non-volatile storage device or combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Magnetic or Optical Disk Magnetic Disk
  • Power component 306 provides power to various components of device 300 .
  • Power components 306 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power to device 300 .
  • Multimedia component 308 includes screens that provide an output interface between the device 300 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user.
  • the touch panel includes one or more touch sensors to sense touch, swipe, and gestures on the touch panel. The touch sensor may not only sense the boundaries of a touch or swipe action, but also detect the duration and pressure associated with the touch or swipe action.
  • the multimedia component 308 includes a front-facing camera and/or a rear-facing camera. When the apparatus 300 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each of the front and rear cameras can be a fixed optical lens system or have focal length and optical zoom capability.
  • Audio component 310 is configured to output and/or input audio signals.
  • audio component 310 includes a microphone (MIC) that is configured to receive external audio signals when device 300 is in operating modes, such as call mode, recording mode, and voice recognition mode. The received audio signal may be further stored in memory 304 or transmitted via communication component 316 .
  • audio component 310 also includes a speaker for outputting audio signals.
  • the I/O interface 312 provides an interface between the processing component 302 and a peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to: home button, volume buttons, start button, and lock button.
  • Sensor assembly 314 includes one or more sensors for providing status assessment of various aspects of device 300 .
  • the sensor assembly 314 can detect the open/closed state of the device 300, the relative positioning of components, such as the display and keypad of the device 300, and the sensor assembly 314 can also detect a change in the position of the device 300 or a component of the device 300 , the presence or absence of user contact with the device 300 , the orientation or acceleration/deceleration of the device 300 and the temperature change of the device 300 .
  • Sensor assembly 314 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact.
  • Sensor assembly 314 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 314 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 316 is configured to facilitate wired or wireless communication between apparatus 300 and other devices.
  • Device 300 may access wireless networks based on communication standards, such as WiFi, 2G or 3G, or a combination thereof.
  • the communication component 316 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component 316 also includes a near field communication (NFC) module to facilitate short-range communication.
  • NFC near field communication
  • the NFC module may be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • apparatus 300 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • non-transitory computer-readable storage medium including instructions, such as a memory 304 including instructions, executable by the processor 320 of the apparatus 300 to perform the method described above.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
  • FIG. 11 is a block diagram of an apparatus 400 for random access according to an exemplary embodiment.
  • the apparatus 400 may be provided as a server.
  • apparatus 400 includes processing component 422, which further includes one or more processors, and a memory resource represented by memory 432 for storing instructions executable by processing component 422, such as application programs.
  • An application program stored in memory 432 may include one or more modules, each corresponding to a set of instructions.
  • the processing component 422 is configured to execute instructions to perform the above-described methods.
  • Device 400 may also include a power supply assembly 426 configured to perform power management of device 400 , a wired or wireless network interface 450 configured to connect device 400 to a network, and an input output (I/O) interface 458 .
  • Device 400 may operate based on an operating system stored in memory 432, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or the like.
  • first, second, etc. are used to describe various information, but the information should not be limited to these terms. These terms are only used to distinguish the same type of information from one another, and do not imply a particular order or level of importance. In fact, the expressions “first”, “second” etc. are used completely interchangeably. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure.

Abstract

本公开是关于一种随机接入方法、随机接入装置及存储介质。其中，随机接入方法，应用于终端，包括：确定终端的类型，以及与所述终端的类型对应的参考信号接收功率RSRP门限值；基于所述终端的RSRP测量值以及所述RSRP门限值，进行两步随机接入信道RACH的随机接入；其中，所述终端的类型包括第一类型和第二类型。通过本公开可以使得部分终端正常使用两步RACH的随机接入，避免了部分终端的功率浪费。

Description

一种随机接入方法、随机接入装置及存储介质 技术领域
本公开涉及无线通信技术领域，尤其涉及一种随机接入方法、随机接入装置及存储介质。
背景技术
新一代通信技术中，终端既可以支持进行4步随机接入信道(Random Access Channel，RACH)的随机接入，又支持2步RACH的随机接入。其中，终端使用4步随机接入还是2步随机接入，是基于终端的参考信号接收功率(Reference Signal Receiving Power，RSRP)测量值确定的。终端接收网路侧设备广播的一个RSRP门限值，当终端的RSRP测量值高于或等于该RSRP门限值时，确定使用2步随机接入。
相关技术中引入能力缩减(Reduced capability，Redcap)终端，由于Redcap终端由天线效率的丢失(antenna efficiency loss)，RSRP测量值相对偏低，导致部分Redcap终端无法使用2步随机接入带来的功率节省的好处。
发明内容
为克服相关技术中存在的问题，本公开提供一种随机接入方法、随机接入装置及存储介质。
根据本公开实施例的第一方面，提供一种随机接入方法，应用于终端，所述方法包括：
确定终端的类型，以及与所述终端的类型对应的参考信号接收功率RSRP门限值；基于所述终端的RSRP测量值以及所述RSRP门限值，进行两步随机接入信道RACH的随机接入；其中，所述终端的类型包括第一类型和第二类型。
一种实施方式中，所述RSRP门限值包括第一RSRP门限值和第二RSRP门限值；所述第一RSRP门限值对应所述第一类型的终端，所述第二RSRP门限值对应所述第二类型的终端。
一种实施方式中，基于所述终端的RSRP测量值以及所述RSRP门限值，进行两步RACH的随机接入，包括：
响应于所述终端的类型为第一类型，若所述终端的RSRP测量值大于或等于第一RSRP门限值，则进行两步RACH的随机接入。
一种实施方式中，基于所述终端的RSRP测量值以及所述RSRP门限值，进行两步RACH的随机接入，包括：
响应于所述终端的类型为第二类型，若所述终端的RSRP测量值大于或等于第二RSRP 门限值，则进行两步RACH的随机接入。
一种实施方式中，所述第一类型终端的通信能力低于所述第二类型终端的通信能力，所述第一RSRP门限值低于所述第二RSRP门限值。
一种实施方式中，所述RSRP门限值包括第三RSRP门限值。
一种实施方式中，所述基于所述终端的RSRP测量值以及所述RSRP门限值，进行两步随机接入信道RACH的随机接入，包括：
响应于所述终端的类型为第一类型，若所述终端的RSRP测量值大于或等于所述第三RSRP测量值，则进行两步随机接入信道RACH的随机接入。
一种实施方式中，所述基于所述终端的RSRP测量值以及所述RSRP门限值，进行两步随机接入信道RACH的随机接入，包括：
响应于所述终端的类型为第二类型，若所述终端的RSRP测量值与RSRP偏移值之和，大于或等于所述第三RSRP测量值，则进行两步随机接入信道RACH的随机接入。
一种实施方式中，所述RSRP偏移值基于预定义规则或通信协议确定。
根据本公开实施例的第二方面，提供一种随机接入方法，应用于网络侧设备，所述方法包括：
确定至少一个参考信号接收功率RSRP门限值；所述RSRP门限值用于终端确定进行两步随机接入信道RACH的随机接入；其中，所述终端的类型包括第一类型和第二类型。
一种实施方式中，所述RSRP门限值包括第一RSRP门限值和第二RSRP门限值；
所述第一RSRP门限值对应所述第一类型的终端，所述第二RSRP门限值对应所述第二类型的终端。
一种实施方式中，其特征在于，所述第一类型终端的通信能力低于所述第二类型终端的通信能力，所述第一RSRP门限值低于所述第二RSRP门限值。
一种实施方式中，所述RSRP门限值包括第三RSRP门限值。
根据本公开实施例的第三方面，提供一种随机接入装置，应用于终端，所述装置包括：
确定模块，用于确定终端的类型，以及与所述终端的类型对应的参考信号接收功率RSRP门限值；接入模块，用于基于所述终端的RSRP测量值以及所述RSRP门限值，进行两步随机接入信道RACH的随机接入；其中，所述终端的类型包括第一类型和第二类型。
一种实施方式中，所述RSRP门限值包括第一RSRP门限值和第二RSRP门限值；所述第一RSRP门限值对应所述第一类型的终端，所述第二RSRP门限值对应所述第二类型的终端。
一种实施方式中，接入模块，用于：
响应于所述终端的类型为第一类型，若所述终端的RSRP测量值大于或等于第一RSRP门限值，则进行两步RACH的随机接入。
一种实施方式中，接入模块，用于：
响应于所述终端的类型为第二类型，若所述终端的RSRP测量值大于或等于第二RSRP门限值，则进行两步RACH的随机接入。
一种实施方式中，所述第一类型终端的通信能力低于所述第二类型终端的通信能力，所述第一RSRP门限值低于所述第二RSRP门限值。
一种实施方式中，所述RSRP门限值包括第三RSRP门限值。
一种实施方式中，所述接入模块，用于：
响应于所述终端的类型为第一类型，若所述终端的RSRP测量值大于或等于所述第三RSRP测量值，则进行两步随机接入信道RACH的随机接入。
一种实施方式中，所述接入模块，用于：
响应于所述终端的类型为第二类型，若所述终端的RSRP测量值与RSRP偏移值之和，大于或等于所述第三RSRP测量值，则进行两步随机接入信道RACH的随机接入。
一种实施方式中，所述RSRP偏移值基于预定义规则或通信协议确定。
根据本公开实施例的第四方面，提供一种随机接入装置，应用于网络侧设备，所述装置包括：
确定模块，用于确定至少一个参考信号接收功率RSRP门限值；所述RSRP门限值用于终端确定进行两步随机接入信道RACH的随机接入；其中，所述终端的类型包括第一类型和第二类型。
一种实施方式中，所述RSRP门限值包括第一RSRP门限值和第二RSRP门限值；
所述第一RSRP门限值对应所述第一类型的终端，所述第二RSRP门限值对应所述第二类型的终端。
一种实施方式中，其特征在于，所述第一类型终端的通信能力低于所述第二类型终端的通信能力，所述第一RSRP门限值低于所述第二RSRP门限值。
一种实施方式中，所述RSRP门限值包括第三RSRP门限值。
根据本公开实施例的第五方面，提供一种随机接入装置，包括：
处理器；用于存储处理器可执行指令的存储器；其中，所述处理器被配置为：执行第一方面或第一方面任意一种实施方式中所述的随机接入方法，或，执行第二方面或第二方面任意一种实施方式中所述的随机接入方法。
根据本公开实施例的第六方面，提供一种非临时性计算机可读存储介质，当所述存储 介质中的指令由移动终端的处理器执行时，使得移动终端能够执行第一方面或第一方面任意一种实施方式中所述的随机接入方法，或，执行第二方面或第二方面任意一种实施方式中所述的随机接入方法。
本公开的实施例提供的技术方案可以包括以下有益效果：通过本公开终端可以确定与自身类型对应的RSRP门限值，进而根据确定的RSRP门限值，确定是否可以使用两步RACH的随机接入。可以使得部分终端正常使用两步RACH的随机接入，避免了部分终端的功率浪费。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本公开。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本公开的实施例，并与说明书一起用于解释本公开的原理。
图1是根据一示例性实施例示出的一种网络设备与终端的通信系统架构图。
图2是根据一示例性实施例示出的一种随机接入方法的流程图。
图3是根据一示例性实施例示出的又一种随机接入方法的流程图。
图4是根据一示例性实施例示出的又一种随机接入方法的流程图。
图5是根据一示例性实施例示出的又一种随机接入方法的流程图。
图6是根据一示例性实施例示出的又一种随机接入方法的流程图。
图7是根据一示例性实施例示出的又一种随机接入方法的流程图。
图8是根据一示例性实施例示出的一种随机接入装置框图。
图9是根据一示例性实施例示出的又一种随机接入装置框图。
图10是根据一示例性实施例示出的一种用于随机接入的装置的框图。
图11是根据一示例性实施例示出的又一种用于随机接入的装置的框图。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本公开的一些方面相一致的装置和方法的例子。
在本公开实施例使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本公开实施例。在本公开实施例和所附权利要求书中所使用的单数形式的“一种”和“该”也旨 在包括多数形式，除非上下文清楚地表示其他含义。还应当理解，本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
应当理解，尽管在本公开实施例可能采用术语第一、第二、第三等来描述各种信息，但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如，在不脱离本公开实施例范围的情况下，第一信息也可以被称为第二信息，类似地，第二信息也可以被称为第一信息。取决于语境，如在此所使用的词语“如果”及“若”可以被解释成为“在……时”或“当……时”或“响应于确定”。
下面详细描述本公开的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的要素。下面通过参考附图描述的实施例是示例性的，旨在用于解释本公开，而不能理解为对本公开的限制。
图1是根据一示例性实施例示出的一种网络设备与终端的通信系统架构图。本公开提供的通信方法可以应用于图1所示的通信系统架构图中。如图1所示，网络侧设备可以基于图1所示的架构发送信令。
可以理解的是，图1所示的网络设备与终端的通信系统仅是进行示意性说明，无线通信系统中还可包括其它网络设备，例如还可以包括核心网设备、无线中继设备和无线回传设备等，在图1中未画出。本公开实施例对该无线通信系统中包括的网络设备数量和终端数量不做限定。
进一步可以理解的是，本公开实施例的无线通信系统，是一种提供无线通信功能的网络。无线通信系统可以采用不同的通信技术，例如码分多址(code division multiple access,CDMA)、宽带码分多址(wideband code division multiple access，WCDMA)、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 FDMA，SC-FDMA)、载波侦听多路访问/冲突避免(Carrier Sense Multiple Access with Collision Avoidance)。根据不同网络的容量、速率、时延等因素可以将网络分为2G(英文：generation)网络、3G网络、4G网络或者未来演进网络，如5G网络，5G网络也可称为是新无线网络(New Radio，NR)。为了方便描述，本公开有时会将无线通信网络简称为网络。
进一步的，本公开中涉及的网络设备也可以称为无线接入网设备。该无线接入网设备可以是：基站、演进型基站(evolved node B，基站)、家庭基站、无线保真(wireless fidelity，WIFI)系统中的接入点(access point，AP)、无线中继节点、无线回传节点、传输点(transmission point，TP)或者发送接收点(transmission and reception point，TRP)等，还 可以为NR系统中的gNB，或者，还可以是构成基站的组件或一部分设备等。当为车联网(V2X)通信系统时，网络设备还可以是车载设备。应理解，本公开的实施例中，对网络设备所采用的具体技术和具体设备形态不做限定。
进一步的，本公开中涉及的终端，也可以称为终端设备、用户设备(User Equipment，UE)、移动台(Mobile Station，MS)、移动终端(Mobile Terminal，MT)等，是一种向用户提供语音和/或数据连通性的设备，例如，终端可以是具有无线连接功能的手持式设备、车载设备等。目前，一些终端的举例为：智能手机(Mobile Phone)、口袋计算机(Pocket Personal Computer，PPC)、掌上电脑、个人数字助理(Personal Digital Assistant，PDA)、笔记本电脑、平板电脑、可穿戴设备、或者车载设备等。此外，当为车联网(V2X)通信系统时，终端设备还可以是车载设备。应理解，本公开实施例对终端所采用的具体技术和具体设备形态不做限定。
新一代通信技术中，终端既可以支持进行4步随机接入信道(Random Access Channel，RACH)的随机接入，又支持2步RACH的随机接入。其中，终端使用4步随机接入还是2步随机接入，是基于终端的参考信号接收功率(Reference Signal Receiving Power，RSRP)测量值确定的。终端接收网路侧设备广播的一个RSRP门限值，当终端的RSRP测量值高于或等于该RSRP门限值时，确定使用2步随机接入。
在相关技术中，RSRP的值可以反映终端与网络侧设备(例如基站)的距离。当终端与基站的距离在一个基站的覆盖距离内，即，终端能被一个基站覆盖。即使终端不知道所在的小区，也可以发送数据。在这种情况下，就可以使用2步RACH的随机接入。但是，Redcap终端的尺寸较小，并且有天线效率的丢失。因此，Redcap终端与基站的距离在基于的覆盖范围内，Redcap终端的RSRP测量值还是低于RSRP门限值。导致该部分Redcap终端不能享受2步RACH带来的功率节省的好处。
基于此，本公开提供一种随机接入方法，重新确定终端的RSRP门限值。即，为不同类型的终端确定相应的RSRP门限值，避免部分终端不能正常使用2步RACH的问题，从而节省终端功率的浪费。
图2是根据一示例性实施例示出的一种随机接入方法的流程图。如图2所示，随机接入方法用于终端中，包括以下步骤。
在步骤S11中，确定终端的类型，以及与终端的类型对应的RSRP门限值。
在步骤S12中，基于终端的RSRP测量值以及RSRP门限值，进行两步RACH的随机接入。
在本公开实施例中，终端的类型可以包括第一类型和第二类型，当然还可以包括其他 的类型。
在本公开一些实施例中，终端确定自身的类型，根据终端自身的类型确定与该类型对应的RSRP门限值。终端确定当前的RSRP测量值，根据的RSRP测量值以及RSRP门限值之间的大小关系，确定进行两步RACH的随机接入。
本公开提供的随机接入方法，终端可以根据自身的类型，确定对应的RSRP门限值。使用该RSRP门限值，确定使用两步RACH的随机接入。解决了部分终端无法正常使用两步RACH的随机接入的问题，避免了该部分终端的功率浪费。
在本公开一些实施例中，网络可以为终端配置多个RSRP门限值，其中，每个RSRP门限值对应不同的终端类型。
在本公开一示例性实施例中，RSRP门限值包括第一RSRP门限值和第二RSRP门限值。第一RSRP门限值对应第一类型的终端，第二RSRP门限值对应第二类型的终端。
图3是根据一示例性实施例示出的一种随机接入方法的流程图。如图3所示，随机接入方法用于终端中，包括以下步骤。
在步骤S21中，响应于终端的类型为第一类型，若终端的RSRP测量值大于或等于第一RSRP门限值，则进行两步RACH的随机接入。
在本公开实施例中，终端确定自身的类型为第一类型，使用第一RSRP门限值，确定进行两步RACH的随机接入，并确定当前的RSRP测量值。响应于终端的RSRP测量值大于或等于第一RSRP门限值，则进行两步RACH的随机接入。
图4是根据一示例性实施例示出的一种随机接入方法的流程图。如图4所示，随机接入方法用于终端中，包括以下步骤。
在步骤S31中，响应于终端的类型为第二类型，若终端的RSRP测量值大于或等于第二RSRP门限值，则进行两步RACH的随机接入。
在本公开实施例中，终端确定自身的类型为第二类型，使用第二RSRP门限值，确定进行两步RACH的随机接入，并确定当前的RSRP测量值。响应于终端的RSRP测量值大于或等于第二RSRP门限值，则进行两步RACH的随机接入。
在本公开实施例中，第一类型终端的通信能力低于第二类型终端的通信能力。例如第一类型的终端，可以是正常通信能力的终端。第二类型的终端，可以是能力相对较低的所有Redcap终端。或者，第一类型的终端是除第二类型的终端之外的所有终端，第二类型的终端是其中部分Redcap终端，例如，可穿戴终端或者工业传感器终端等。其中，确定的第一RSRP门限值低于第二RSRP门限值。
在本公开一些实施例中，网络可以为终端配置一个公共的RSRP门限值，其中，该公 共的RSRP门限值适用于所有终端。网络可以通过广播的方式发送公共的RSRP门限值。本公开为便于区分，将该RSRP门限值称为第三RSRP门限值。
在本公开一示例性实施例中，RSRP门限值包括第三RSRP门限值。如上述，第一类型的终端，可以是正常通信能力的终端。第二类型的终端，可以是能力相对较低的所有Redcap终端。或者，第一类型的终端是除第二类型的终端之外的所有终端，第二类型的终端是其中部分Redcap终端，例如，可穿戴终端或者工业传感器终端等。第三RSRP门限值针对所有终端的类型。
图5是根据一示例性实施例示出的一种随机接入方法的流程图。如图5所示，随机接入方法用于终端中，包括以下步骤。
在步骤S41中，响应于终端的类型为第一类型，若终端的RSRP测量值大于或等于第三RSRP测量值，则进行两步随机接入信道RACH的随机接入。
在本公开实施例中，响应于终端的类型为第一类型，确定终端的RSRP测量值，使用确定的RSRP测量值与网络侧设备广播的第三RSRP门限值之间的大小关系，确定进行两步随机接入信道RACH的随机接入。若终端的RSRP测量值大于或等于第三RSRP测量值，则进行两步随机接入信道RACH的随机接入。
图6是根据一示例性实施例示出的一种随机接入方法的流程图。如图6所示，随机接入方法用于终端中，包括以下步骤。
在步骤S51中，响应于终端的类型为第二类型，若终端的RSRP测量值与RSRP偏移值之和，大于或等于第三RSRP测量值，则进行两步随机接入信道RACH的随机接入。
在本公开实施例中，响应于终端的类型为第二类型，确定终端的RSRP测量值，并进一步确定RSRP偏移值。基于RSRP偏移值对RSRP测量值进行修正，确定修正后的RSRP测量值，即第二类型的终端的RSRP测量值与RSRP测量值之和。若终端的RSRP测量值与RSRP偏移值之和，大于或等于第三RSRP测量值，则进行两步随机接入信道RACH的随机接入。
在本公开实施例中，第二类型的终端使用的RSRP偏移值可以基于预定义确定，RSRP偏移值还可以基于通信协议确定。
基于相同/相似的构思，本公开实施例还提供一种随机接入方法。
图7是根据一示例性实施例示出的一种随机接入方法的流程图。如图7所示，随机接入方法用于网络侧设备中，包括以下步骤。
在步骤S61中，确定至少一个参考信号接收功率RSRP门限值。
在本公开实施例中，RSRP门限值用于终端确定进行两步随机接入信道RACH的随机 接入。终端的类型可以包括第一类型和第二类型，当然还可以包括其他的类型。
在本公开一些实施例中，终端确定自身的类型，根据终端自身的类型确定与该类型对应的RSRP门限值。终端确定当前的RSRP测量值，根据的RSRP测量值以及RSRP门限值之间的大小关系，确定进行两步RACH的随机接入。
本公开提供的随机接入方法，终端可以根据自身的类型，确定对应的RSRP门限值。使用该RSRP门限值，确定使用两步RACH的随机接入。解决了部分终端无法正常使用两步RACH的随机接入的问题，避免了该部分终端的功率浪费。
在本公开一些实施例中，网络可以为终端配置多个RSRP门限值，其中，每个RSRP门限值对应不同的终端类型。
在本公开一示例性实施例中，RSRP门限值包括第一RSRP门限值和第二RSRP门限值。第一RSRP门限值对应第一类型的终端，第二RSRP门限值对应第二类型的终端。
在本公开实施例中，终端确定自身的类型为第一类型，使用第一RSRP门限值，确定进行两步RACH的随机接入，并确定当前的RSRP测量值。响应于终端的RSRP测量值大于或等于第一RSRP门限值，则进行两步RACH的随机接入。
在本公开实施例中，终端确定自身的类型为第二类型，使用第二RSRP门限值，确定进行两步RACH的随机接入，并确定当前的RSRP测量值。响应于终端的RSRP测量值大于或等于第二RSRP门限值，则进行两步RACH的随机接入。
在本公开实施例中，第一类型终端的通信能力低于第二类型终端的通信能力。例如第一类型的终端，可以是正常通信能力的终端。第二类型的终端，可以是能力相对较低的所有Redcap终端。或者，第一类型的终端是除第二类型的终端之外的所有终端，第二类型的终端是其中部分Redcap终端，例如，可穿戴终端或者工业传感器终端等。其中，确定的第一RSRP门限值低于第二RSRP门限值。
在本公开一些实施例中，网络可以为终端配置一个公共的RSRP门限值，其中，该公共的RSRP门限值适用于所有终端。网络可以通过广播的方式发送公共的RSRP门限值。本公开为便于区分，将该RSRP门限值称为第三RSRP门限值。
在本公开一示例性实施例中，RSRP门限值包括第三RSRP门限值。如上述，第一类型的终端，可以是正常通信能力的终端。第二类型的终端，可以是能力相对较低的所有Redcap终端。或者，第一类型的终端是除第二类型的终端之外的所有终端，第二类型的终端是其中部分Redcap终端，例如，可穿戴终端或者工业传感器终端等。第三RSRP门限值针对所有终端的类型。
在本公开实施例中，响应于终端的类型为第一类型，确定终端的RSRP测量值，使用 确定的RSRP测量值与网络侧设备广播的第三RSRP门限值之间的大小关系，确定进行两步随机接入信道RACH的随机接入。若终端的RSRP测量值大于或等于第三RSRP测量值，则进行两步随机接入信道RACH的随机接入。
响应于终端的类型为第二类型，若终端的RSRP测量值与RSRP偏移值之和，大于或等于第三RSRP测量值，则进行两步随机接入信道RACH的随机接入。
在本公开实施例中，响应于终端的类型为第二类型，确定终端的RSRP测量值，并进一步确定RSRP偏移值。基于RSRP偏移值对RSRP测量值进行修正，确定修正后的RSRP测量值，即第二类型的终端的RSRP测量值与RSRP测量值之和。若终端的RSRP测量值与RSRP偏移值之和，大于或等于第三RSRP测量值，则进行两步随机接入信道RACH的随机接入。
在本公开实施例中，第二类型的终端使用的RSRP偏移值可以基于预定义确定，RSRP偏移值还可以基于通信协议确定。
基于相同的构思，本公开实施例还提供一种随机接入装置。
可以理解的是，本公开实施例提供的随机接入装置为了实现上述功能，其包含了执行各个功能相应的硬件结构和/或软件模块。结合本公开实施例中所公开的各示例的单元及算法步骤，本公开实施例能够以硬件或硬件和计算机软件的结合形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行，取决于技术方案的特定应用和设计约束条件。本领域技术人员可以对每个特定的应用来使用不同的方法来实现所描述的功能，但是这种实现不应认为超出本公开实施例的技术方案的范围。
图8是根据一示例性实施例示出的一种随机接入装置框图。参照图8，该装置随机接入装置100，应用于终端，包括确定模块101和接入模块102。
确定模块101，用于确定终端的类型，以及与终端的类型对应的参考信号接收功率RSRP门限值。接入模块102，用于基于终端的RSRP测量值以及RSRP门限值，进行两步随机接入信道RACH的随机接入。其中，终端的类型包括第一类型和第二类型。
在本公开实施例中，RSRP门限值包括第一RSRP门限值和第二RSRP门限值。第一RSRP门限值对应第一类型的终端，第二RSRP门限值对应第二类型的终端。
在本公开实施例中，接入模块102，用于响应于终端的类型为第一类型，若终端的RSRP测量值大于或等于第一RSRP门限值，则进行两步RACH的随机接入。
在本公开实施例中，接入模块102，用于响应于终端的类型为第二类型，若终端的RSRP测量值大于或等于第二RSRP门限值，则进行两步RACH的随机接入。
在本公开实施例中，第一类型终端的通信能力低于第二类型终端的通信能力，第一 RSRP门限值低于第二RSRP门限值。
在本公开实施例中，RSRP门限值包括第三RSRP门限值。
在本公开实施例中，接入模块102，用于响应于终端的类型为第一类型，若终端的RSRP测量值大于或等于第三RSRP测量值，则进行两步随机接入信道RACH的随机接入。
在本公开实施例中，接入模块102，用于响应于终端的类型为第二类型，若终端的RSRP测量值与RSRP偏移值之和，大于或等于第三RSRP测量值，则进行两步随机接入信道RACH的随机接入。
在本公开实施例中，RSRP偏移值基于预定义规则或通信协议确定。
图9是根据一示例性实施例示出的一种随机接入装置框图。参照图9，该装置随机接入装置200，应用于终端，包括确定模块201。
确定模块201，用于确定至少一个参考信号接收功率RSRP门限值。RSRP门限值用于终端确定进行两步随机接入信道RACH的随机接入。其中，终端的类型包括第一类型和第二类型。
在本公开实施例中，RSRP门限值包括第一RSRP门限值和第二RSRP门限值。
第一RSRP门限值对应第一类型的终端，第二RSRP门限值对应第二类型的终端。
在本公开实施例中，其特征在于，第一类型终端的通信能力低于第二类型终端的通信能力，第一RSRP门限值低于第二RSRP门限值。
在本公开实施例中，RSRP门限值包括第三RSRP门限值。
关于上述实施例中的装置，其中各个模块执行操作的具体方式已经在有关该方法的实施例中进行了详细描述，此处将不做详细阐述说明。
图10是根据一示例性实施例示出的一种用于随机接入的装置300的框图。例如，装置300可以是移动电话，计算机，数字广播终端，消息收发设备，游戏控制台，平板设备，医疗设备，健身设备，个人数字助理等。
参照图10，装置300可以包括以下一个或多个组件：处理组件302，存储器304，电力组件306，多媒体组件308，音频组件310，输入/输出(I/O)接口312，传感器组件314，以及通信组件316。
处理组件302通常控制装置300的整体操作，诸如与显示，电话呼叫，数据通信，相机操作和记录操作相关联的操作。处理组件302可以包括一个或多个处理器320来执行指令，以完成上述的方法的全部或部分步骤。此外，处理组件302可以包括一个或多个模块，便于处理组件302和其他组件之间的交互。例如，处理组件302可以包括多媒体模块，以方便多媒体组件308和处理组件302之间的交互。
存储器304被配置为存储各种类型的数据以支持在装置300的操作。这些数据的示例包括用于在装置300上操作的任何应用程序或方法的指令，联系人数据，电话簿数据，消息，图片，视频等。存储器304可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，如静态随机存取存储器(SRAM)，电可擦除可编程只读存储器(EEPROM)，可擦除可编程只读存储器(EPROM)，可编程只读存储器(PROM)，只读存储器(ROM)，磁存储器，快闪存储器，磁盘或光盘。
电力组件306为装置300的各种组件提供电力。电力组件306可以包括电源管理系统，一个或多个电源，及其他与为装置300生成、管理和分配电力相关联的组件。
多媒体组件308包括在所述装置300和用户之间的提供一个输出接口的屏幕。在一些实施例中，屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板，屏幕可以被实现为触摸屏，以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。所述触摸传感器可以不仅感测触摸或滑动动作的边界，而且还检测与所述触摸或滑动操作相关的持续时间和压力。在一些实施例中，多媒体组件308包括一个前置摄像头和/或后置摄像头。当装置300处于操作模式，如拍摄模式或视频模式时，前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件310被配置为输出和/或输入音频信号。例如，音频组件310包括一个麦克风(MIC)，当装置300处于操作模式，如呼叫模式、记录模式和语音识别模式时，麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器304或经由通信组件316发送。在一些实施例中，音频组件310还包括一个扬声器，用于输出音频信号。
I/O接口312为处理组件302和外围接口模块之间提供接口，上述外围接口模块可以是键盘，点击轮，按钮等。这些按钮可包括但不限于：主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件314包括一个或多个传感器，用于为装置300提供各个方面的状态评估。例如，传感器组件314可以检测到装置300的打开/关闭状态，组件的相对定位，例如所述组件为装置300的显示器和小键盘，传感器组件314还可以检测装置300或装置300一个组件的位置改变，用户与装置300接触的存在或不存在，装置300方位或加速/减速和装置300的温度变化。传感器组件314可以包括接近传感器，被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件314还可以包括光传感器，如CMOS或CCD图像传感器，用于在成像应用中使用。在一些实施例中，该传感器组件314还可以包括加速度传感器，陀螺仪传感器，磁传感器，压力传感器或温度传感器。
通信组件316被配置为便于装置300和其他设备之间有线或无线方式的通信。装置300可以接入基于通信标准的无线网络，如WiFi，2G或3G，或它们的组合。在一个示例性实施例中，通信组件316经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中，所述通信组件316还包括近场通信(NFC)模块，以促进短程通信。例如，在NFC模块可基于射频识别(RFID)技术，红外数据协会(IrDA)技术，超宽带(UWB)技术，蓝牙(BT)技术和其他技术来实现。
在示例性实施例中，装置300可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现，用于执行上述方法。
在示例性实施例中，还提供了一种包括指令的非临时性计算机可读存储介质，例如包括指令的存储器304，上述指令可由装置300的处理器320执行以完成上述方法。例如，所述非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
图11是根据一示例性实施例示出的一种用于随机接入的装置400的框图。例如，装置400可以被提供为一服务器。参照图11，装置400包括处理组件422，其进一步包括一个或多个处理器，以及由存储器432所代表的存储器资源，用于存储可由处理组件422的执行的指令，例如应用程序。存储器432中存储的应用程序可以包括一个或一个以上的每一个对应于一组指令的模块。此外，处理组件422被配置为执行指令，以执行上述方法。
装置400还可以包括一个电源组件426被配置为执行装置400的电源管理，一个有线或无线网络接口450被配置为将装置400连接到网络，和一个输入输出(I/O)接口458。装置400可以操作基于存储在存储器432的操作系统，例如Windows ServerTM，Mac OS XTM，UnixTM,LinuxTM，FreeBSDTM或类似。
进一步可以理解的是，本公开中“多个”是指两个或两个以上，其它量词与之类似。“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。单数形式的“一种”、“所述”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。
进一步可以理解的是，术语“第一”、“第二”等用于描述各种信息，但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开，并不表示特定的顺序或者重要程度。实际上，“第一”、“第二”等表述完全可以互换使用。例如，在不脱离本公开范围的情况下，第一信息也可以被称为第二信息，类似地，第二信息也可以被称为第一信 息。
进一步可以理解的是，本公开实施例中尽管在附图中以特定的顺序描述操作，但是不应将其理解为要求按照所示的特定顺序或是串行顺序来执行这些操作，或是要求执行全部所示的操作以得到期望的结果。在特定环境中，多任务和并行处理可能是有利的。
本领域技术人员在考虑说明书及实践这里公开的发明后，将容易想到本公开的其它实施方案。本申请旨在涵盖本公开的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本公开的真正范围和精神由下面的权利要求指出。
应当理解的是，本公开并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所附的权利要求来限制。

Claims (17)

  1. 一种随机接入方法，其特征在于，应用于终端，所述方法包括：
    确定终端的类型，以及与所述终端的类型对应的参考信号接收功率RSRP门限值；
    基于所述终端的RSRP测量值以及所述RSRP门限值，进行两步随机接入信道RACH的随机接入；
    其中，所述终端的类型包括第一类型和第二类型。
  2. 根据权利要求1所述的随机接入方法，其特征在于，所述RSRP门限值包括第一RSRP门限值和第二RSRP门限值；
    所述第一RSRP门限值对应所述第一类型的终端，所述第二RSRP门限值对应所述第二类型的终端。
  3. 根据权利要求2所述的随机接入方法，其特征在于，基于所述终端的RSRP测量值以及所述RSRP门限值，进行两步RACH的随机接入，包括：
    响应于所述终端的类型为第一类型，若所述终端的RSRP测量值大于或等于第一RSRP门限值，则进行两步RACH的随机接入。
  4. 根据权利要求2所述的随机接入方法，其特征在于，基于所述终端的RSRP测量值以及所述RSRP门限值，进行两步RACH的随机接入，包括：
    响应于所述终端的类型为第二类型，若所述终端的RSRP测量值大于或等于第二RSRP门限值，则进行两步RACH的随机接入。
  5. 根据权利要求2至4中任意一项所述的随机接入方法，其特征在于，所述第一类型终端的通信能力低于所述第二类型终端的通信能力，所述第一RSRP门限值低于所述第二RSRP门限值。
  6. 根据权利要求1所述的随机接入方法，其特征在于，所述RSRP门限值包括第三RSRP门限值。
  7. 根据权利要求6所述的随机接入方法，其特征在于，所述基于所述终端的RSRP测量值以及所述RSRP门限值，进行两步随机接入信道RACH的随机接入，包括：
    响应于所述终端的类型为第一类型，若所述终端的RSRP测量值大于或等于所述第三RSRP测量值，则进行两步随机接入信道RACH的随机接入。
  8. 根据权利要求6或7所述的随机接入方法，其特征在于，所述基于所述终端的RSRP测量值以及所述RSRP门限值，进行两步随机接入信道RACH的随机接入，包括：
    响应于所述终端的类型为第二类型，若所述终端的RSRP测量值与RSRP偏移值之和， 大于或等于所述第三RSRP测量值，则进行两步随机接入信道RACH的随机接入。
  9. 根据权利要求8所述的随机接入方法，其特征在于，所述RSRP偏移值基于预定义规则或通信协议确定。
  10. 一种随机接入方法，其特征在于，应用于网络侧设备，所述方法包括：
    确定至少一个参考信号接收功率RSRP门限值；所述RSRP门限值用于终端确定进行两步随机接入信道RACH的随机接入；
    其中，所述终端的类型包括第一类型和第二类型。
  11. 根据权利要求10所述的随机接入方法，其特征在于，所述RSRP门限值包括第一RSRP门限值和第二RSRP门限值；
    所述第一RSRP门限值对应所述第一类型的终端，所述第二RSRP门限值对应所述第二类型的终端。
  12. 根据权利要求11中任意一项所述的随机接入方法，其特征在于，所述第一类型终端的通信能力低于所述第二类型终端的通信能力，所述第一RSRP门限值低于所述第二RSRP门限值。
  13. 根据权利要求10所述的随机接入方法，其特征在于，所述RSRP门限值包括第三RSRP门限值。
  14. 一种随机接入装置，其特征在于，应用于终端，所述装置包括：
    确定模块，用于确定终端的类型，以及与所述终端的类型对应的参考信号接收功率RSRP门限值；
    接入模块，用于基于所述终端的RSRP测量值以及所述RSRP门限值，进行两步随机接入信道RACH的随机接入；
    其中，所述终端的类型包括第一类型和第二类型。
  15. 一种随机接入装置，其特征在于，应用于网络侧设备，所述装置包括：
    确定模块，用于确定至少一个参考信号接收功率RSRP门限值；所述RSRP门限值用于终端确定进行两步随机接入信道RACH的随机接入；
    其中，所述终端的类型包括第一类型和第二类型。
  16. 一种随机接入装置，其特征在于，包括：
    处理器；
    用于存储处理器可执行指令的存储器；
    其中，所述处理器被配置为：执行权利要求1-9中任意一项所述的随机接入方法，或，执行权利要求10-13中任意一项所述的随机接入方法。
  17. 一种非临时性计算机可读存储介质，当所述存储介质中的指令由移动终端的处理器执行时，使得移动终端能够执行权利要求1-9中任意一项所述的随机接入方法，或，执行权利要求10-13中任意一项所述的随机接入方法。
PCT/CN2021/081855 2021-03-19 2021-03-19 一种随机接入方法、随机接入装置及存储介质 WO2022193303A1 (zh)

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