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WO2022016337A1 - 通信方法、用户设备、基站设备及计算机存储介质 - Google Patents

通信方法、用户设备、基站设备及计算机存储介质 Download PDF

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Publication number
WO2022016337A1
WO2022016337A1 PCT/CN2020/103106 CN2020103106W WO2022016337A1 WO 2022016337 A1 WO2022016337 A1 WO 2022016337A1 CN 2020103106 W CN2020103106 W CN 2020103106W WO 2022016337 A1 WO2022016337 A1 WO 2022016337A1
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Prior art keywords
parameter
sequence
csi
monitored
trs
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PCT/CN2020/103106
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English (en)
French (fr)
Inventor
付婷
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Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
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Priority to US18/004,554 priority Critical patent/US20230283427A1/en
Priority to PCT/CN2020/103106 priority patent/WO2022016337A1/zh
Priority to JP2022581507A priority patent/JP7522871B2/ja
Priority to KR1020237000958A priority patent/KR20230022994A/ko
Priority to CN202080001477.5A priority patent/CN114258696B/zh
Priority to EP20945845.4A priority patent/EP4184992A4/en
Publication of WO2022016337A1 publication Critical patent/WO2022016337A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower using a pre-established activity schedule, e.g. traffic indication frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • H04W52/0235—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal where the received signal is a power saving command
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0245—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal according to signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel
    • H04W68/025—Indirect paging
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the embodiments of the present disclosure relate to the field of wireless communication technologies, and in particular, the present disclosure relates to a communication method, user equipment, base station equipment, and computer storage medium.
  • CSI-RS Channel State Information Reference Signal
  • time-frequency tracking CSI (Channel State Information, channel state information). Information) measurement and calculation
  • L1-RSRP Layer 1 Reference Signal Received Power, Layer 1 Reference Signal Received Power
  • measurement for mobility management etc.
  • the calculation formula of the CSI-RS sequence is as follows:
  • the CSI-RS sequence r(m) is defined as:
  • the pseudo-random sequence c(i) is defined in Section 5.2.1 of the TS 38.211 protocol, and the pseudo-random sequence generator is generated at the beginning of each OFDM (Orthogonal Frequency Division Multiplexing, Orthogonal Frequency Division Multiplexing) symbol. Initialized as:
  • n ID is the parameter scramblingID (scrambling ID) of the RRC (Radio Resource Control, Radio Resource Control) layer Or configured by sequenceGenerationConfig (sequence generation configuration), the value range is an integer from 0 to 1023.
  • the parameter scramblingID or sequenceGenerationConfig of the RRC layer is configured by the base station to the UE after the UE (User Equipment, user equipment) enters the RRC connected state, when the UE is in the RRC idle state, the UE does not have the RRC layer parameter configuration, so
  • the parameter n ID required for monitoring a TRS (tracking reference signal, tracking pilot) sequence and/or a CSI-RS sequence cannot be obtained, where the TRS sequence is a combination of CSI-RS in multiple sets of CSI-RS configurations, which is essentially It is also a kind of CSI-RS.
  • the purpose of the embodiments of the present disclosure is to solve at least one of the above-mentioned technical defects, and the following technical solutions are specially proposed:
  • a method of communication comprising:
  • the tracking pilot TRS sequence and/or the channel state information reference signal CSI-RS sequence are monitored according to the first parameter.
  • acquiring the first parameter in the idle state includes at least one of the following manners:
  • the first parameter is determined according to the second parameter and the association relationship between the first parameter and the second parameter, where the second parameter is a parameter related to the paging occasion PO monitored by the user equipment UE.
  • the parameters related to the PO monitored by the UE include at least one of the following:
  • the physical layer cell identifier of the cell where the PO monitored by the UE is located; the index of the radio frame where the PO monitored by the UE is located; the index of the time slot where the PO monitored by the UE is located; the index of the start symbol corresponding to the PO monitored by the UE; the PO monitored by the UE The index of the corresponding sync block SSB beam.
  • receiving the first parameter sent by the base station includes:
  • the system message includes any one of the main system information block MIB and the system information block SIB.
  • monitoring the TRS sequence and/or the CSI-RS sequence according to the first parameter includes at least one of the following:
  • the TRS sequence and/or the CSI-RS sequence is monitored according to the first parameter.
  • the value range of the first parameter is an integer ranging from 0 to 1023.
  • the first parameter is a scrambling code identifier for generating the TRS sequence and/or the CSI-RS sequence.
  • a method of communication comprising:
  • a first parameter is sent, where the first parameter is used by the UE to monitor the TRS sequence and/or the CSI-RS sequence.
  • the first parameter is sent, including:
  • the system message includes any one of MIB and SIB.
  • the value range of the first parameter is an integer ranging from 0 to 1023.
  • a user equipment comprising:
  • an acquisition module configured to acquire the first parameter in an idle state
  • the monitoring module is configured to monitor the tracking pilot TRS sequence and/or the channel state information reference signal CSI-RS sequence according to the first parameter.
  • the acquisition module is configured to perform at least one of the following:
  • the first parameter is determined according to the second parameter and the association relationship between the first parameter and the second parameter, where the second parameter is a parameter related to the paging occasion PO monitored by the user equipment UE.
  • the parameters related to the PO monitored by the UE include at least one of the following:
  • the physical layer cell identifier of the cell where the PO monitored by the UE is located; the index of the radio frame where the PO monitored by the UE is located; the index of the time slot where the PO monitored by the UE is located; the index of the start symbol corresponding to the PO monitored by the UE; the PO monitored by the UE The index of the corresponding sync block SSB beam.
  • the acquiring module when the acquiring module receives the first parameter sent by the base station, it is configured to:
  • the system message includes any one of the main system information block MIB and the system information block SIB.
  • the TRS sequence and/or the CSI-RS sequence is monitored according to the first parameter.
  • the value range of the first parameter is an integer ranging from 0 to 1023.
  • the first parameter is a scrambling code identifier for generating the TRS sequence and/or the CSI-RS sequence.
  • a base station device including:
  • a sending module configured to send a first parameter, where the first parameter is used for the UE to monitor the TRS sequence and/or the CSI-RS sequence.
  • the sending module when the sending module sends the first parameter, it is configured to:
  • the value range of the first parameter is an integer ranging from 0 to 1023.
  • the first parameter is a scrambling code identifier for generating the TRS sequence and/or the CSI-RS sequence.
  • a computer-readable storage medium where a computer program is stored on the computer-readable storage medium, and when the program is executed by a processor, the above-mentioned communication method is implemented.
  • the communication method provided by the embodiment of the present disclosure enables the UE to acquire the first parameter necessary for monitoring the TRS sequence and/or the CSI-RS sequence in the idle state, so that the TRS sequence can be monitored according to the acquired first parameter. and/or CSI-RS sequence for monitoring, and then according to the monitoring result of the TRS sequence and/or the CSI-RS sequence, it can be determined whether to try to monitor the paging DCI and its corresponding PDSCH in the PO.
  • FIG. 1 is a schematic structural diagram of a wireless communication system according to an embodiment of the disclosure
  • FIG. 3 is a schematic flowchart of a communication method according to another embodiment of the present disclosure.
  • FIG. 4 is a schematic diagram of a basic structure of a user equipment according to another embodiment of the present disclosure.
  • FIG. 5 is a schematic diagram of a basic structure of a base station device according to another embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of an electronic device according to another embodiment of the disclosure.
  • the UE can be prevented from performing some unnecessary PO monitoring, and the effect of UE energy saving can be achieved. Meanwhile, sending the TRS sequence and/or the CSI-RS sequence before the PO can also enable the UE to quickly perform downlink synchronization with the base station, so that the UE can better receive the paging DCI and its corresponding PDSCH.
  • the embodiments of the present disclosure provide a method, which can enable the UE to obtain the n ID parameters necessary to monitor the TRS sequence and/or the CSI-RS sequence even in an idle state, so that the TRS sequence can be monitored according to the n ID parameter. and/or CSI-RS sequences.
  • the user equipment 110 may communicate with one or more core networks via a Radio Access Network (RAN).
  • RAN Radio Access Network
  • User device 110 may be a device that provides voice and/or data connectivity to a user, such as a smartphone, tablet, smart watch, or the like.
  • user equipment 110 may also be IoT devices, such as sensor devices, mobile phones (or “cellular" phones), and computers with IoT terminals, such as stationary, portable, pocket-sized, hand-held, computer built-in Or a vehicle-mounted device, for example, a mobile station (mobile station), a mobile station (mobile), a remote station (remote station), an access point, a remote terminal (remote terminal), an access terminal (access terminal), etc.
  • the present disclosure implements The example does not limit it.
  • the base station 120 may be a network-side device in a wireless communication system.
  • the wireless communication system may be a 5G system, also known as a new radio (NR) system.
  • NR new radio
  • the wireless communication system may also be a next-generation system of the 5G system.
  • the base station 120 may be a base station (gNB) adopting a centralized distributed architecture in a 5G system.
  • gNB base station
  • the base station 120 adopts a centralized distributed architecture it usually includes a centralized unit (central unit, CU) and at least two distributed units (distributed unit, DU).
  • the centralized unit is provided with a protocol stack of a Packet Data Convergence Protocol (PDCP) layer, a Radio Link Control Protocol (Radio Link Control, RLC) layer, and a Media Access Control (Media Access Control, MAC) layer; distribution
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control Protocol
  • MAC Media Access Control
  • distribution A physical (Physical, PHY) layer protocol stack is set in the unit, and the specific implementation manner of the base station 120 is not limited in this embodiment of the present disclosure.
  • the above wireless communication system may further include a network management device 130 .
  • the network management device 130 may be a core network device in a wireless communication system.
  • the network management device 130 may be a mobility management entity (Mobility Management Entity) in an evolved packet core network (Evolved Packet Core, EPC). MME).
  • the network management device may also be other core network devices, which are not limited in this embodiment of the present disclosure.
  • the UE can acquire the first parameter in the RRC idle state, where the first parameter is used for the UE to monitor the TRS sequence and/or the CSI-RS sequence in the RRC idle state.
  • the UE can demodulate the TRS sequence and/or the CSI-RS sequence according to the first parameter, so as to monitor the TRS sequence and/or the CSI-RS sequence, and then according to the first parameter For the monitoring result of the TRS sequence and/or the CSI-RS sequence, perform corresponding subsequent operations. Equivalently, the UE monitors the TRS sequence and/or the CSI-RS sequence according to the first parameter.
  • the UE can correctly demodulate the TRS sequence and/or CSI-RS sequence according to the acquired first parameter in the RRC idle state, it can be considered that the UE has monitored (or detected) the TRS sequence and/or the TRS sequence and/or the CSI-RS sequence. Or the CSI-RS sequence; if the UE fails to correctly demodulate the TRS sequence and/or the CSI-RS sequence according to the acquired first parameter in the RRC idle state, it can be considered that the UE does not monitor (or does not detect) the TRS sequence and/or CSI-RS sequence.
  • the UE when the UE performs corresponding subsequent operations according to the monitoring result of the TRS sequence and/or the CSI-RS sequence, if the UE monitors (or detects) the TRS sequence and/or the CSI-RS sequence in the RRC idle state RS sequence, the UE thinks that there is paging DCI in the next PO that needs to be monitored. At this time, the UE will try to monitor the paging DCI in the PO and its corresponding PDSCH.
  • the UE If the UE does not monitor (or does not detect) the TRS sequence and/or the CSI-RS sequence in the RRC idle state, the UE considers that there is no paging DCI in the next PO to monitor, and at this time, the UE will not attempt to monitor Paging DCI in PO and its corresponding PDSCH.
  • the first parameter may be the n ID parameter necessary to monitor the TRS sequence and/or the CSI-RS sequence.
  • the original n ID parameter is configured by the base station to the UE through the parameter scramblingID or sequenceGenerationConfig of the RRC layer after the UE enters the RRC connected state, that is, the UE cannot obtain the n ID parameter in the RRC idle state, and the method of the embodiment of the present disclosure,
  • the UE can also obtain the first parameter (such as the n ID parameter) that can only be obtained when the UE is in the RRC connected state in the idle state, so that when the UE is in the idle state, the obtained first parameter (such as n ID parameter) to accurately monitor the TRS sequence and/or the CSI-RS sequence.
  • the communication method provided by the embodiment of the present disclosure enables the UE to acquire the first parameter necessary for monitoring the TRS sequence and/or the CSI-RS sequence in the idle state, so that the TRS sequence can be monitored according to the acquired first parameter. and/or CSI-RS sequence for monitoring, and then according to the monitoring result of the TRS sequence and/or the CSI-RS sequence, it can be determined whether to try to monitor the paging DCI and its corresponding PDSCH in the PO.
  • acquiring the first parameter in the idle state includes at least one of the following ways:
  • the first parameter is determined according to the second parameter and the association relationship between the first parameter and the second parameter, where the second parameter is a parameter related to the paging occasion PO monitored by the user equipment UE.
  • Manner 1 For the case where the UE is in the idle state, it can be agreed in the protocol that the first parameter is fixed to a certain value, that is, the value of the first parameter when the UE is in the idle state is stipulated in the protocol, so that when the UE is in the idle state, That is, according to the agreement, the value of the first parameter can be directly read, that is, the first parameter is obtained.
  • the first parameter when the UE is in the idle state, the first parameter may be obtained by obtaining the preset first parameter. For example, when the UE is in the idle state, the first parameter may be directly read in advance.
  • the first parameter when the UE is in the idle state, after acquiring the first parameter according to the agreement, the first parameter may be used to monitor the TRS sequence and/or the CSI-RS sequence sent by the base station before the PO. Equivalently, the UE monitors the TRS sequence and/or CSI-RS sequence sent by the base station before the PO when the UE is in the idle state according to the first parameter obtained when the UE is in the idle state.
  • the base station may send the first parameter to the UE, so that the UE can obtain the first parameter, that is, the base station sends the first parameter, and the first parameter is used for the UE to monitor the TRS sequence and/or the CSI-RS sequence.
  • the UE in the RRC idle state receives the first parameter sent by the base station.
  • the UE After receiving the first parameter sent by the base station when the UE is in the idle state, the UE can monitor the transmission by the base station before the PO according to the first parameter.
  • the TRS sequence and/or CSI-RS sequence that is, the first parameter is used to monitor the TRS sequence and/or CSI-RS sequence sent by the base station before PO.
  • the UE can also use the first parameter sent by the base station received when it is in the idle state, and used for the channel estimation or timing received when it is in the RRC connected state. Monitor the frequency tracking TRS sequence and/or CSI-RS sequence.
  • Mode 3 For the case where the UE is in an idle state, it may be stipulated in the protocol that the first parameter and the second parameter have an association relationship, where the second parameter is a parameter related to the PO monitored by the UE, and the second parameter may be
  • the parameters related to the PO monitored by the UE acquired when the UE is in the idle state may also be the parameters related to the PO monitored by the UE acquired in other states (for example, the intermediate state), which are not limited in the embodiments of the present disclosure. .
  • the UE when the UE is in an idle state, the UE can acquire the association relationship between the first parameter and the second parameter according to the agreement. After acquiring the association relationship, the UE in the idle state can determine the first parameter according to the acquired second parameter and the association relationship between the first parameter and the second parameter, so that the UE obtains the first parameter in the idle state to the first parameter, and then monitor the TRS sequence and/or the CSI-RS sequence sent by the base station before the PO according to the first parameter. Equivalently, when the UE is in the idle state, the first parameter is determined according to the second parameter and the relationship between the first parameter and the second parameter, where the second parameter is a parameter related to the PO monitored by the UE.
  • the UE may also use the first parameter determined according to the second parameter and the relationship between the first parameter and the second parameter when the UE is in an idle state, to use Monitor the TRS sequence and/or CSI-RS sequence received when it is in the RRC connected state and used for channel estimation or time-frequency tracking.
  • the parameters related to the PO monitored by the UE may include one or more of the following: the physical layer cell identifier of the cell where the PO monitored by the UE is located; the index of the radio frame where the PO monitored by the UE is located; the PO monitored by the UE The index of the time slot where it is located; the index of the start symbol corresponding to the PO monitored by the UE; the index of the SSB (Synchronization Signal Block, synchronization signal block) beam corresponding to the PO monitored by the UE.
  • the first parameter is equal to the physical layer cell identifier of the cell where the PO monitored by the UE is located.
  • there may also be other feasible PO-related parameters which are not limited in the embodiments of the present disclosure.
  • the value range of the first parameter obtained in the above three ways can be an integer from 0 to 1023, for example, the first parameter can be 0, can also be 1023, or can be any value between 0 and 1023 An integer (eg, 5, 100, and 1021, etc.).
  • the first parameter may be a scrambling code identifier for generating a TRS sequence and/or a CSI-RS sequence, for example, the first parameter is an n ID parameter necessary for generating a TRS sequence and/or a CSI-RS sequence.
  • the UE may choose to use at least one of the foregoing manners 1, 2 and 3.
  • different priorities can be set for the first, second and third modes, so that the UE can dynamically choose to use the first or second or third mode according to its own situation to obtain the first parameter.
  • the UE can directly read the parameters according to the agreement. The value of the first parameter, and monitor the TRS sequence and/or CSI-RS sequence sent by the base station before the PO when the UE is in the idle state according to the first parameter, that is, ignore the first parameter sent by the base station when the UE is in the idle state .
  • the UE can receive the first parameter sent by the base station when it is in the idle state, and monitor the TRS sequence and/or CSI-RS sent by the base station before the PO when the UE is in the idle state according to the first parameter. sequence, that is, ignoring the first parameter directly read according to the protocol agreement (mode 1), and ignoring the determination of the first parameter according to the second parameter and the relationship between the first parameter and the second parameter.
  • mode 1 protocol agreement
  • receiving the first parameter sent by the base station includes: receiving a system message sent by the base station, where the system message includes the first parameter.
  • the base station When the base station sends the first parameter to the UE, it can send the first parameter to the UE by sending a system message to the UE, wherein the system message includes the first parameter, that is, the base station can send the system message carrying the first parameter to the UE, such as
  • the base station may broadcast the first parameter in a system message.
  • the UE in the RRC idle state receives the system message sent by the base station, and the system message includes the first parameter. For example, when the UE is in the idle state, the UE receives the first parameter broadcast and sent by the base station through the system message.
  • the above-mentioned system message may also be MIB (Master Information Block, master system information block, or SIB (System Information Block, system information block), which is not limited in the embodiment of the present disclosure, that is, the system message includes MIB and SIB any of the.
  • MIB Master Information Block, master system information block
  • SIB System Information Block, system information block
  • monitoring the TRS sequence and/or the CSI-RS sequence according to the first parameter includes at least one of the following: in the idle state, monitoring the TRS sequence and/or the CSI-RS sequence according to the first parameter; In the connected state, the TRS sequence and/or the CSI-RS sequence is monitored according to the first parameter.
  • the first parameter obtained by the UE in the idle state can be used for the UE to monitor the TRS sequence and/or the CSI-RS sequence when the UE is in the idle state, and can also be used for the UE to monitor the TRS sequence and/or the CSI-RS sequence when the UE is in the connected state.
  • the RS sequence is not limited in the embodiments of the present disclosure.
  • the UE can use the method of the existing protocol to obtain
  • the first parameter that is, when the UE is in the RRC connected state, the base station configures the first parameter for the UE through RRC signaling, for example, sends the RRC signaling including the first parameter to the UE in the RRC connected state;
  • the UE in the connected state receives the RRC signaling including the first parameter sent by the base station, so as to monitor the TRS sequence and/or the CSI-RS sequence it receives according to the first parameter.
  • the UE may use the first parameter obtained when it is in the idle state to use the TRS sequence and/or CSI-RS for channel estimation or time-frequency tracking received when it is in the RRC connected state
  • the sequence is monitored. Equivalently, the UE can monitor the TRS sequence and/or CSI-RS sequence in the idle state according to the first parameter obtained in the idle state, or can monitor the TRS sequence and/or the CSI-RS sequence in the connected state according to the first parameter obtained in the idle state.
  • the first parameter is to monitor the TRS sequence and/or the CSI-RS sequence.
  • Yet another embodiment of the present disclosure provides a communication method, which is applied in the wireless communication system shown in FIG. 1 and executed by the base station 120 in FIG. 1 .
  • the method includes step S310 : sending The first parameter, the first parameter is used by the UE to monitor the TRS sequence and/or the CSI-RS sequence.
  • the first parameter is sent, including:
  • the system message includes any one of MIB and SIB.
  • the value range of the first parameter is an integer ranging from 0 to 1023.
  • the first parameter is a scrambling code identifier for generating the TRS sequence and/or the CSI-RS sequence.
  • the communication method on the base station side provided by the embodiment of the present disclosure corresponds to the communication method on the user equipment side provided by the embodiment of the present disclosure. Therefore, it can be understood that the processing of the communication method on the base station side The steps are corresponding to the steps of the communication method at the user equipment side, and the processing steps of the communication method at the base station side are not repeated here.
  • the processing steps of the communication method at the base station side are not repeated here.
  • the communication method of the embodiment of the present disclosure enables the UE to acquire the first parameter necessary for monitoring the TRS sequence and/or the CSI-RS sequence in the idle state, so that the TRS sequence and/or CSI-RS sequence can be monitored according to the acquired first parameter. and/or the CSI-RS sequence is monitored, and then it can be determined whether to attempt to monitor the paging DCI and its corresponding PDSCH in the PO according to the monitoring result of the TRS sequence and/or the CSI-RS sequence.
  • FIG. 4 is a schematic structural diagram of a user equipment provided by another embodiment of the present disclosure.
  • the device 400 may include an acquisition module 401 and a monitoring module 402, wherein:
  • an acquisition module 401 configured to acquire the first parameter in an idle state
  • the monitoring module 402 is configured to monitor the tracking pilot TRS sequence and/or the channel state information reference signal CSI-RS sequence according to the first parameter.
  • the acquisition module is configured to perform at least one of the following:
  • the first parameter is determined according to the second parameter and the association relationship between the first parameter and the second parameter, where the second parameter is a parameter related to the paging occasion PO monitored by the user equipment UE.
  • the parameters related to the PO monitored by the UE include at least one of the following:
  • the physical layer cell identifier of the cell where the PO monitored by the UE is located; the index of the radio frame where the PO monitored by the UE is located; the index of the time slot where the PO monitored by the UE is located; the index of the start symbol corresponding to the PO monitored by the UE; the PO monitored by the UE The index of the corresponding sync block SSB beam.
  • the acquiring module when the acquiring module receives the first parameter sent by the base station, it is configured to:
  • the system message includes any one of the main system information block MIB and the system information block SIB.
  • the monitoring module when the monitoring module monitors the TRS sequence and/or the CSI-RS sequence according to the first parameter, it is configured to perform at least one of the following:
  • the TRS sequence and/or the CSI-RS sequence is monitored according to the first parameter.
  • the value range of the first parameter is an integer ranging from 0 to 1023.
  • the first parameter is a scrambling code identifier for generating the TRS sequence and/or the CSI-RS sequence.
  • the device in the embodiment of the present disclosure enables the UE to acquire the first parameter necessary for monitoring the TRS sequence and/or the CSI-RS sequence in the idle state, so that the TRS sequence and/or CSI-RS sequence can be monitored according to the acquired first parameter. or CSI-RS sequence monitoring, and then according to the monitoring result of the TRS sequence and/or the CSI-RS sequence, it can be determined whether to try to monitor the paging DCI and its corresponding PDSCH in the PO.
  • this embodiment is an apparatus item embodiment corresponding to the foregoing method item embodiment on the user equipment side, and this embodiment may be implemented in cooperation with the foregoing user equipment side method item embodiment.
  • the relevant technical details mentioned in the above-mentioned embodiment of the method item on the user equipment side are still valid in this embodiment, and are not repeated here in order to reduce repetition.
  • the relevant technical details mentioned in this embodiment can also be applied to the above method item embodiments on the user equipment side.
  • FIG. 5 is a schematic structural diagram of a base station device according to another embodiment of the present disclosure.
  • the device 500 may include a sending module 501, where:
  • the sending module 501 is configured to send a first parameter, where the first parameter is used for the UE to monitor the TRS sequence and/or the CSI-RS sequence.
  • the sending module when the sending module sends the first parameter, it is configured to:
  • the system message includes any one of MIB and SIB.
  • the value range of the first parameter is an integer ranging from 0 to 1023.
  • the first parameter is a scrambling code identifier for generating the TRS sequence and/or the CSI-RS sequence.
  • the device in the embodiment of the present disclosure enables the UE to acquire the first parameter necessary for monitoring the TRS sequence and/or the CSI-RS sequence in the idle state, so that the TRS sequence and/or CSI-RS sequence can be monitored according to the acquired first parameter. or CSI-RS sequence monitoring, and then according to the monitoring result of the TRS sequence and/or the CSI-RS sequence, it can be determined whether to try to monitor the paging DCI and its corresponding PDSCH in the PO.
  • this embodiment is an apparatus item embodiment corresponding to the above-mentioned method item embodiment on the base station side, and this embodiment can be implemented in cooperation with the above-mentioned method item embodiment on the base station side.
  • the related technical details mentioned in the embodiment of the method item at the base station side are still valid in this embodiment, and are not repeated here in order to reduce repetition.
  • the relevant technical details mentioned in this embodiment can also be applied to the above method item embodiments at the base station side.
  • the electronic device 600 shown in FIG. 6 includes: a processor 601 and a memory 603 .
  • the processor 601 is connected to the memory 603 , for example, through a bus 602 .
  • the electronic device 600 may also include a transceiver 604 . It should be noted that, in practical applications, the transceiver 604 is not limited to one, and the structure of the electronic device 600 does not constitute a limitation to the embodiments of the present disclosure.
  • Transceiver 604 includes a receiver and a transmitter.
  • the processor 601 may be a CPU, a general purpose processor, a DSP, an ASIC, an FPGA or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof. It may implement or execute the various exemplary logical blocks, modules and circuits described in connection with this disclosure.
  • the processor 601 may also be a combination for realizing computing functions, such as a combination of one or more microprocessors, a combination of a DSP and a microprocessor, and the like.
  • the bus 602 may include a path to transfer information between the aforementioned components.
  • the bus 602 may be a PCI bus, an EISA bus, or the like.
  • the bus 602 can be divided into an address bus, a data bus, a control bus, and the like. For ease of presentation, only one thick line is used in FIG. 6, but it does not mean that there is only one bus or one type of bus.
  • the memory 603 can be ROM or other types of static storage devices that can store static information and instructions, RAM or other types of dynamic storage devices that can store information and instructions, or can be EEPROM, CD-ROM or other optical disk storage, optical disk storage (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or capable of carrying or storing desired program code in the form of instructions or data structures and capable of being executed by a computer Access any other medium without limitation.
  • the memory 603 is used to store application code for executing the solution of the present disclosure, and the execution is controlled by the processor 601 .
  • the processor 601 is configured to execute the application program code stored in the memory 603 to implement the actions of the user equipment provided by the embodiment shown in FIG. 4 , or the actions of the base station device provided by the embodiment shown in FIG. 5 .
  • the electronic device includes a memory, a processor, and a computer program stored in the memory and running on the processor.
  • the processor executes the program, the following two aspects can be implemented:
  • the first parameter is acquired in the idle state; then, the tracking pilot TRS sequence and/or the channel state information reference signal CSI-RS sequence are monitored according to the first parameter.
  • Another aspect sending a first parameter, where the first parameter is used by the UE to monitor the TRS sequence and/or the CSI-RS sequence.
  • An embodiment of the present disclosure provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the program is executed by a processor, the method shown in the foregoing embodiment is implemented, so that the UE can obtain the information in an idle state.
  • the first parameter necessary for monitoring the TRS sequence and/or the CSI-RS sequence so that the TRS sequence and/or the CSI-RS sequence can be monitored according to the acquired first parameter, and then the TRS sequence and/or the CSI-RS sequence can be monitored according to the obtained first parameter.
  • the monitoring result of the CSI-RS sequence to determine whether to try to monitor the paging DCI and its corresponding PDSCH in the PO.
  • the computer-readable storage medium provided by the embodiment of the present disclosure is applicable to any embodiment of the foregoing method.

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Abstract

本公开实施例涉及无线通信技术领域，公开了一种通信方法、用户设备、基站设备及计算机存储介质，其中，通信方法包括：在空闲态时获取第一参数；接着，根据第一参数监听追踪导频TRS序列和/或信道状态信息参考信号CSI-RS序列。本公开实施例的方法，使得UE在空闲态下可以获取到用于监听TRS序列和/或CSI-RS序列所必须的第一参数，从而可以根据获取到的第一参数，对TRS序列和/或CSI-RS序列进行监听，进而可以根据TRS序列和/或CSI-RS序列的监听结果，确定是否尝试监听PO中的寻呼DCI以及其对应的PDSCH。

Description

通信方法、用户设备、基站设备及计算机存储介质 技术领域
本公开实施例涉及无线通信技术领域，具体而言，本公开涉及一种通信方法、用户设备、基站设备及计算机存储介质。
背景技术
在5G NR(New Radio,新的无线技术)通信系统中，CSI-RS(Channel State Information Reference Signal,信道状态信息参考信号)有多种用途，例如时频跟踪、CSI(Channel State Information,信道状态信息)的测量和计算、L1-RSRP(Layer 1Reference Signal Received Power,层1参考信号接收功率)的测量和计算以及用于移动性管理的测量等等。其中，根据协议TS 38.211中的规定，CSI-RS序列的计算公式如下：
CSI-RS序列r(m)被定义：
Figure PCTCN2020103106-appb-000001
其中，伪随机序列c(i)被定义在TS 38.211协议的第5.2.1节中，该伪随机序列产生器在各个OFDM(Orthogonal Frequency Division Multiplexing,正交频分复用)符号开始的时刻被初始化为：
Figure PCTCN2020103106-appb-000002
其中，
Figure PCTCN2020103106-appb-000003
是在一个无线帧中slot(时隙)的索引号，l是在一个slot中OFDM符号的索引号，n ID是由RRC(Radio Resource Control,无线资源控制)层的参数scramblingID(加扰标识)或者sequenceGenerationConfig(序列生成配置)配置的，取值范围是0至1023的整数。
由于RRC层的参数scramblingID或者sequenceGenerationConfig是在UE(User Equipment,用户设备)进入RRC连接态后，由基站配置给UE的，所以，当UE处于RRC空闲态时，UE并没有RRC层参数配置，从而无法获 得监听TRS(tracking reference signal,追踪导频)序列和/或CSI-RS序列所需的参数n ID，其中，TRS序列是多套CSI-RS配置中的CSI-RS的组合，在本质上也是一种CSI-RS。
发明内容
本公开实施例的目的旨在至少能解决上述的技术缺陷之一，特提出以下技术方案：
一方面，提供了一种通信方法，包括：
在空闲态时获取第一参数；
根据第一参数监听追踪导频TRS序列和/或信道状态信息参考信号CSI-RS序列。
在一种可能的实现方式中，在空闲态时获取第一参数，包括以下至少一种方式：
获取预先设定的第一参数；
接收基站发送的第一参数；
根据第二参数、以及第一参数与第二参数之间的关联关系，确定第一参数，其中，第二参数是与用户设备UE监听的寻呼时机PO相关的参数。
在一种可能的实现方式中，与UE监听的PO相关的参数包括以下至少一项：
UE监听的PO所在的小区物理层小区标识；UE监听的PO所在的无线帧的索引；UE监听的PO所在的时隙的索引；UE监听的PO对应的起始符号的索引；UE监听的PO对应的同步信号块SSB波束的索引。
在一种可能的实现方式中，接收基站发送的第一参数，包括：
接收基站发送的系统消息，系统消息包括第一参数；
系统消息包括主系统信息块MIB与系统信息块SIB中的任一项。
在一种可能的实现方式中，根据第一参数监听TRS序列和/或CSI-RS序列，包括以下至少一项：
在空闲态时，根据第一参数监听TRS序列和/或CSI-RS序列；
在连接态时，根据第一参数监听TRS序列和/或CSI-RS序列。
在一种可能的实现方式中，第一参数的值范围为0至1023的整数。
在一种可能的实现方式中，第一参数为生成TRS序列和/或CSI-RS序列的扰码标识。
一方面，提供了一种通信方法，包括：
发送第一参数，第一参数用于UE监听TRS序列和/或CSI-RS序列。
在一种可能的实现方式中，发送第一参数，包括：
发送系统消息，系统消息中包括第一参数；
系统消息包括MIB与SIB中的任一项。
在一种可能的实现方式中，第一参数的值范围为0至1023的整数。
在一种可能的实现方式中，第一参数为生成TRS序列和/或CSI-RS序列的扰码标识。
一方面，提供了一种用户设备，包括：
获取模块，被配置为在空闲态时获取第一参数；
监听模块，被配置为根据第一参数监听追踪导频TRS序列和/或信道状态信息参考信号CSI-RS序列。
在一种可能的实现方式中，获取模块被配置为执行以下至少一种：
获取预先设定的第一参数；
接收基站发送的第一参数；
根据第二参数、以及第一参数与第二参数之间的关联关系，确定第一参数，其中，第二参数是与用户设备UE监听的寻呼时机PO相关的参数。
在一种可能的实现方式中，与UE监听的PO相关的参数包括以下至少一项：
UE监听的PO所在的小区物理层小区标识；UE监听的PO所在的无线帧的索引；UE监听的PO所在的时隙的索引；UE监听的PO对应的起始符号的索引；UE监听的PO对应的同步信号块SSB波束的索引。
在一种可能的实现方式中，获取模块在接收基站发送的第一参数时，被配置为：
接收基站发送的系统消息，系统消息包括第一参数；
系统消息包括主系统信息块MIB与系统信息块SIB中的任一项。
在一种可能的实现方式中，监听模块在根据第一参数监听TRS序列和/或CSI-RS序列时，被配置为执行以下至少一项：
在空闲态时，根据第一参数监听TRS序列和/或CSI-RS序列；
在连接态时，根据第一参数监听TRS序列和/或CSI-RS序列。
在一种可能的实现方式中，第一参数的值范围为0至1023的整数。
在一种可能的实现方式中，第一参数为生成TRS序列和/或CSI-RS序列的扰码标识。
一方面，提供了一种基站设备，包括：
发送模块，被配置为发送第一参数，第一参数用于UE监听TRS序列和/或CSI-RS序列。
在一种可能的实现方式中，发送模块在发送第一参数时，被配置为：
发送系统消息，系统消息中包括第一参数；
系统消息包括MIB与SIB中的任一项。
在一种可能的实现方式中，第一参数的值范围为0至1023的整数。
在一种可能的实现方式中，第一参数为生成TRS序列和/或CSI-RS序列的扰码标识。
一方面，提供了一种电子设备，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，处理器执行程序时实现上述的通信方法。
一方面，提供了一种计算机可读存储介质，计算机可读存储介质上存储有计算机程序，该程序被处理器执行时实现上述的通信方法。
本公开实施例提供的通信方法，使得UE在空闲态下可以获取到用于监听TRS序列和/或CSI-RS序列所必须的第一参数，从而可以根据获取到的第一参数，对TRS序列和/或CSI-RS序列进行监听，进而可以根据TRS 序列和/或CSI-RS序列的监听结果，确定是否尝试监听PO中的寻呼DCI以及其对应的PDSCH。
本公开实施例附加的方面和优点将在下面的描述中部分给出，这些将从下面的描述中变得明显，或通过本公开的实践了解到。
附图说明
本公开实施例上述的和/或附加的方面和优点从下面结合附图对实施例的描述中将变得明显和容易理解，其中：
图1为本公开实施例的无线通信系统的结构示意图；
图2为本公开一个实施例的通信方法的流程示意图；
图3为本公开又一实施例的通信方法的流程示意图；
图4为本公开又一实施例的用户设备的基本结构示意图；
图5为本公开另一实施例的基站设备的基本结构示意图；
图6为本公开另一实施例的电子设备的结构示意图。
具体实施方式
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元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本公开，而不能解释为对本公开的限制。
本技术领域技术人员可以理解，除非特意声明，这里使用的单数形式“一”、“一个”、“所述”和“该”也可包括复数形式。应该进一步理解的是，本公开的说明书中使用的措辞“包括”是指存在所述特征、整数、步骤、操作、元件和/或组件，但是并不排除存在或添加一个或多个其他特征、整数、步骤、操作、元件、组件和/或它们的组。应该理解，当我们称元件被“连接”或“耦接”到另一元件时，它可以直接连接或耦接到其他元件，或者也可以存在中间元件。此外，这里使用的“连接”或“耦接”可以包括无线连接或无线耦接。这里使用的措辞“和/或”包括一个或更多个相关联的列出 项的全部或任一单元和全部组合。
在当前讨论的UE处于RRC空闲态时的节能问题中，有一个重要研究方向是：将原来用于RRC连接态的TRS序列和/或CSI-RS序列，作为UE处于RRC空闲态时的节能指示信号。例如，基站可以在周期性的PO(PagingOccasion,寻呼时机)之前发送TRS序列和/或CSI-RS序列，其中，(1)如果UE在某个PO之前检测到了TRS序列和/或CSI-RS序列，则UE认为接下来的PO中有寻呼DCI(downlink control information,下行控制信息)需要去监听，此时，UE会尝试监听PO中的寻呼DCI以及其对应的PDSCH(Physical Downlink Shared channel,物理下行共享信道)；(2)如果UE在某个PO之前没有检测到TRS序列和/或CSI-RS序列，则UE认为接下来的PO中没有寻呼DCI需要去监听，此时，UE不会尝试监听PO中的寻呼DCI以及其对应的PDSCH。
这样，通过让UE监听TRS序列和/或CSI-RS序列，就可以避免UE进行一些不必要的PO监听，实现UE节能的效果。同时，在PO之前发送TRS序列和/或CSI-RS序列也可以使得UE能够快速与基站进行下行同步，便于UE更好的接收寻呼DCI以及其对应的PDSCH。
在现有的协议中，CSI-RS序列的产生是与n ID参数有关的，n ID参数是由RRC层的参数scramblingID或者sequenceGenerationConfig确定的，且n ID参数的取值范围是0至1023的整数。通常，scramblingID或者sequenceGenerationConfig等RRC层的参数是在UE进入RRC连接态后，由基站配置给UE的，然而，当UE进行PO监听时，还处于RRC空闲状态下，此时UE并没有RRC层的参数的配置信息，因而，无法获得监听TRS序列和/或CSI-RS序列所必须的n ID参数。
基于此，本公开实施例提供了一种方法，可以使得UE在空闲态下也能够获得监听TRS序列和/或CSI-RS序列所必须的n ID参数，从而可以根据n ID参数，监听TRS序列和/或CSI-RS序列。
为使本公开实施例的目的、技术方案和优点更加清楚，下面将结合附图对本公开实施方式作进一步地详细描述。
下面以具体地实施例对本公开实施例的技术方案以及本公开实施例的技术方案如何解决上述技术问题进行详细说明。下面这几个具体的实施例可以相互结合，对于相同或相似的概念或过程可能在某些实施例中不再赘述。下面将结合附图，对本公开的实施例进行描述。
图1是示例性示出的一种无线通信系统的结构示意图，如图1所示，该移动通信系统可以包括：若干个用户设备110以及若干个基站120。
用户设备110可以经无线接入网(Radio Access Network，RAN)与一个或多个核心网进行通信。用户设备110可以是指向用户提供语音和/或数据连通性的设备，比如智能手机、平板电脑、智能手表等。当然，用户设备110还可以是物联网设备，比如传感器设备、移动电话(或称为“蜂窝”电话)和具有物联网终端的计算机，例如固定式、便携式、袖珍式、手持式、计算机内置的或者车载的装置，又例如，移动站(mobile station)、移动台(mobile)、远程站(remote station)、接入点、远程终端(remoteterminal)、接入终端(access terminal)等，本公开实施例不对其作限制。
基站120可以是无线通信系统中的网络侧设备。其中，该无线通信系统可以是5G系统，又称新空口(new radio，NR)系统。或者，该无线通信系统也可以是5G系统的再下一代系统。
基站120可以是5G系统中采用集中分布式架构的基站(gNB)。当基站120采用集中分布式架构时，通常包括集中单元(central unit，CU)和至少两个分布单元(distributed unit，DU)。集中单元中设置有分组数据汇聚协议(Packet Data Convergence Protocol，PDCP)层、无线链路层控制协议(Radio Link Control，RLC)层、媒体访问控制(Media Access Control，MAC)层的协议栈；分布单元中设置有物理(Physical，PHY)层协议栈，本公开实施例对基站120的具体实现方式不作限制。
基站120和用户设备110之间可以通过无线空口建立无线连接。在不同的实施方式中，该无线空口是基于第五代移动通信网络技术(5G)标准的无线空口，比如该无线空口是新空口；或者，该无线空口也可以是基于 5G的更下一代移动通信网络技术标准的无线空口。
此外，上述无线通信系统还可以包含网络管理设备130。若干个基站120分别与网络管理设备130相连。其中，网络管理设备130可以是无线通信系统中的核心网设备，比如，该网络管理设备130可以是演进的数据分组核心网(Evolved Packet Core，EPC)中的移动性管理实体(Mobility Management Entity，MME)。当然，该网络管理设备也可以是其它的核心网设备，本公开实施例不对其作限制。
本公开一个实施例提供了一种通信方法，该方法应用于图1所示的无线通信系统中，且由图1中的用户设备110执行，如图2所示，该方法包括：步骤S210，在空闲态时获取第一参数；步骤S220，根据第一参数监听追踪导频TRS序列和/或信道状态信息参考信号CSI-RS序列。
UE在RRC空闲态时即可获取到第一参数，其中，该第一参数是用于UE在RRC空闲态下监听TRS序列和/或CSI-RS序列的。UE在RRC空闲态下获取到第一参数后，即可根据该第一参数对TRS序列和/或CSI-RS序列进行解调，从而对TRS序列和/或CSI-RS序列进行监听，进而根据TRS序列和/或CSI-RS序列的监听结果，执行相对应的后续操作。相当于，UE根据第一参数监听TRS序列和/或CSI-RS序列。
在一个示例中，如果UE在RRC空闲态下，根据获取到的第一参数可以正确解调TRS序列和/或CSI-RS序列，则可以认为UE监听到(或检测到)了TRS序列和/或CSI-RS序列；如果UE在RRC空闲态下，根据获取到的第一参数未能正确解调TRS序列和/或CSI-RS序列，则可以认为UE未监听到(或未检测到)TRS序列和/或CSI-RS序列。
其中，UE在根据TRS序列和/或CSI-RS序列的监听结果，执行相对应的后续操作的过程中，如果UE在RRC空闲态下监听到(或检测到)了TRS序列和/或CSI-RS序列，则UE认为接下来的PO中有寻呼DCI需要去监听，此时，UE会尝试监听PO中的寻呼DCI以及其对应的PDSCH。如果UE在RRC空闲态下未监听到(或未检测到)TRS序列和/或CSI-RS序列，则UE认为接下来的PO中没有寻呼DCI需要去监听，此时，UE 不会尝试监听PO中的寻呼DCI以及其对应的PDSCH。
在一个示例中，第一参数可以是监听TRS序列和/或CSI-RS序列所必须的n ID参数。原本n ID参数是在UE进入RRC连接态后，由基站通过RRC层的参数scramblingID或者sequenceGenerationConfig配置给UE的，即UE在RRC空闲态下无法获取到n ID参数，而本公开实施例的方法，使得UE在空闲态下也可以获取到原本UE处于RRC连接态时才能获取到的第一参数(比如n ID参数)，从而在UE处于空闲态时也能够根据获取到的第一参数(比如n ID参数)，准确监听TRS序列和/或CSI-RS序列。
本公开实施例提供的通信方法，使得UE在空闲态下可以获取到用于监听TRS序列和/或CSI-RS序列所必须的第一参数，从而可以根据获取到的第一参数，对TRS序列和/或CSI-RS序列进行监听，进而可以根据TRS序列和/或CSI-RS序列的监听结果，确定是否尝试监听PO中的寻呼DCI以及其对应的PDSCH。
在一个可选实施例中，在空闲态时获取第一参数，包括以下至少一种方式：
获取预先设定的第一参数；
接收基站发送的第一参数；
根据第二参数、以及第一参数与第二参数之间的关联关系，确定第一参数，其中，第二参数是与用户设备UE监听的寻呼时机PO相关的参数。
方式一，针对UE处于空闲态的情况，可以在协议中约定第一参数固定为某一数值，即在协议中约定UE在空闲态时的第一参数的数值，从而当UE处于空闲态时，即可根据协议约定，直接读取第一参数的数值，即获取第一参数。换言之，UE在空闲态时，可以通过获取预先设定的第一参数的方式，来获取第一参数，比如UE在空闲态时，可以直接读取预先预定的第一参数。
其中，UE在空闲态时，根据协议约定获取到第一参数之后，可以将该第一参数用于监听基站在PO之前发送的TRS序列和/或CSI-RS序列。相当于，UE根据其处于空闲态时获取到的第一参数，监听基站在UE处 于空闲态时，在PO之前发送的TRS序列和/或CSI-RS序列。
方式二，基站可以向UE发送第一参数，以使得UE能够获取到第一参数，即基站发送第一参数，该第一参数用于UE监听TRS序列和/或CSI-RS序列。相对应地，处于RRC空闲态的UE接收基站发送的第一参数，其中，UE在其处于空闲态时接收到基站发送的第一参数之后，可以根据该第一参数，监听基站在PO之前发送的TRS序列和/或CSI-RS序列，即将该第一参数用于监听基站在PO之前发送的TRS序列和/或CSI-RS序列。
需要说明的是，与上述方式一的情况类似，UE也可以将其处于空闲态时接收到的基站发送的第一参数，用来对其处于RRC连接态时接收到的用于信道估计或时频跟踪的TRS序列和/或CSI-RS序列进行监听。
方式三，针对UE处于空闲态的情况，可以在协议中约定第一参数与第二参数之间具有关联关系，其中，第二参数是与UE监听的PO相关的参数，该第二参数可以是UE处于空闲态时获取到的与UE监听的PO相关的参数，也可以是UE处于其它状态下(例如中间态)获取到的与UE监听的PO相关的参数，本公开实施例不对其作限制。
基于此，UE在其处于空闲态时，可以根据协议约定获取到第一参数与第二参数之间的关联关系。在获取到该关联关系后，UE在空闲态下，可以根据其获取到的第二参数、第一参数与第二参数之间的关联关系，确定出第一参数，从而UE在空闲态下获取到第一参数，进而根据该第一参数监听基站在PO之前发送的TRS序列和/或CSI-RS序列。相当于，UE在空闲态时，根据第二参数、以及第一参数与第二参数之间的关联关系，确定第一参数，其中，第二参数是与UE监听的PO相关的参数。
需要说明的是，与上述方式一的情况类似，UE也可以将其处于空闲态时，根据第二参数、以及第一参数与第二参数之间的关联关系确定出的第一参数，用来对其处于RRC连接态时接收到的用于信道估计或时频跟踪的TRS序列和/或CSI-RS序列进行监听。
在一个示例中，与UE监听的PO相关的参数可以包括以下一项或多项：UE监听的PO所在的小区的物理层小区标识；UE监听的PO所在的 无线帧的索引；UE监听的PO所在的时隙的索引；UE监听的PO对应的起始符号的索引；UE监听的PO对应的SSB(Synchronization Signal Block,同步信号块)波束的索引。例如，协议中可以约定第一参数等于UE监听的PO所在的小区的物理层小区标识。当然，除了上述列出的几种与PO相关的参数外，还可以是其它可行的与PO相关的参数，本公开实施例不对其作限制。
其中，上述三种方式下获取到的第一参数的取值范围均可以是0至1023的整数，比如第一参数可以是0，也可以是1023，还可以是位于0与1023之间的任一整数(例如5、100、及1021等)。同时，第一参数可以是生成TRS序列和/或CSI-RS序列的扰码标识，例如第一参数是生成TRS序列和/或CSI-RS序列所必须的n ID参数。
UE在其处于空闲态下获取第一参数的过程中，可以选择使用上述的方式一、方式二及方式三中的至少一种。此时，可以通过对方式一、方式二及方式三分别设定不同的优先级，来使得UE根据其自身情况动态选择使用上述的方式一或方式二或方式三，来获取第一参数。
在一个示例中，假如UE在空闲态时获取第一参数时，虽然选择使用了上述的方式一与方式二，但是方式一的优先级高于方式二，此时UE可以根据协议约定直接读取第一参数的数值，并根据该第一参数监听基站在UE处于空闲态时，在PO之前发送的TRS序列和/或CSI-RS序列，即忽略基站在UE处于空闲态时发送的第一参数。
在又一示例中，假如UE在空闲态时获取第一参数时，虽然选择使用了上述的方式一、方式二与方式三，但是方式二的优先级高于方式一，方式一的优先级高于方式三，此时，UE可以接收其处于空闲态时基站发送的第一参数，并根据该第一参数监听基站在UE处于空闲态时，在PO之前发送的TRS序列和/或CSI-RS序列，即忽略根据协议约定直接读取到的第一参数(方式一)，以及忽略根据第二参数、第一参数与第二参数之间的关联关系确定出第一参数。
在一个可选实施例中，接收基站发送的第一参数，包括：接收基站发送的系统消息，系统消息包括第一参数。
基站向UE发送第一参数时，可以通过向UE发送系统消息，来向UE发送第一参数，其中，系统消息中包括第一参数，即基站可以向UE发送携带第一参数的系统消息，比如基站可以在系统消息中广播第一参数。相对应地，处于RRC空闲态的UE接收基站发送的系统消息，系统消息包括第一参数，比如UE在其处于空闲态时，接收基站通过系统消息广播发送的第一参数。
其中，上述的系统消息也可以是MIB(Master Information Block，主系统信息块，也可以是SIB(System Information Block，系统信息块)，本公开实施例不对其作限制，即系统消息包括MIB与SIB中的任一项。
在一个可选实施例中，根据第一参数监听TRS序列和/或CSI-RS序列，包括以下至少一项：在空闲态时，根据第一参数监听TRS序列和/或CSI-RS序列；在连接态时，根据第一参数监听TRS序列和/或CSI-RS序列。
UE在空闲态时获取到的第一参数，可以用于UE在空闲态时，监听TRS序列和/或CSI-RS序列，也可以用于UE在连接态时，监听TRS序列和/或CSI-RS序列，本公开实施例不对其作限制。
其中，对于UE处于RRC连接态时，基站向UE发送的用于信道估计或时频跟踪的TRS序列和/或CSI-RS序列，在一种情况下，UE可以沿用现有协议的方法来获取第一参数，即基站在UE处于RRC连接态时，通过RRC信令为UE配置第一参数，比如，向处于RRC连接态的UE发送包括第一参数的RRC信令；相对应地，处于RRC连接态的UE接收基站发送的包括第一参数的RRC信令，从而根据该第一参数对其接收到的TRS序列和/或CSI-RS序列进行监听。在另一种情况下，UE可以使用其处于空闲态时获取到的第一参数，来对其处于RRC连接态时接收到的用于信道估计或时频跟踪的TRS序列和/或CSI-RS序列进行监听。相当于，UE可以在空闲态时，根据其在空闲态时获取到的第一参数，监听TRS序列和/或CSI-RS序列，也可以在连接态时，根据其在空闲态时获取到的第一 参数，监听TRS序列和/或CSI-RS序列。
本公开又一实施例提供了一种通信方法，该方法应用于图1所示的无线通信系统中，且由图1中的基站120执行，如图3所示，该方法包括步骤S310：发送第一参数，第一参数用于UE监听TRS序列和/或CSI-RS序列。
在一种可能的实现方式中，发送第一参数，包括：
发送系统消息，系统消息中包括第一参数；
系统消息包括MIB与SIB中的任一项。
在一种可能的实现方式中，第一参数的值范围为0至1023的整数。
在一种可能的实现方式中，第一参数为生成TRS序列和/或CSI-RS序列的扰码标识。
需要说明的是，本公开实施例所提供的基站侧的通信方法，是与本公开实施例提供的用户设备侧的通信方法相对应地，因此，可以理解的是，基站侧的通信方法的处理步骤是与用户设备侧的通信方法的步骤相对应的，在此不再对基站侧的通信方法的处理步骤进行赘述。其中，用户设备侧的通信方法的相应步骤的具体描述可以参见前文中的相应描述。
本公开实施例的通信方法，使得UE在空闲态下可以获取到用于监听TRS序列和/或CSI-RS序列所必须的第一参数，从而可以根据获取到的第一参数，对TRS序列和/或CSI-RS序列进行监听，进而可以根据TRS序列和/或CSI-RS序列的监听结果，确定是否尝试监听PO中的寻呼DCI以及其对应的PDSCH。
图4为本公开又一实施例提供的一种用户设备的结构示意图，如图4所示，该设备400可以包括获取模块401与监听模块402，其中：
获取模块401，被配置为在空闲态时获取第一参数；
监听模块402，被配置为根据所述第一参数监听追踪导频TRS序列和/或信道状态信息参考信号CSI-RS序列。
在一种可能的实现方式中，获取模块被配置为执行以下至少一种：
获取预先设定的第一参数；
接收基站发送的第一参数；
根据第二参数、以及第一参数与第二参数之间的关联关系，确定第一参数，其中，第二参数是与用户设备UE监听的寻呼时机PO相关的参数。
在一种可能的实现方式中，与UE监听的PO相关的参数包括以下至少一项：
UE监听的PO所在的小区物理层小区标识；UE监听的PO所在的无线帧的索引；UE监听的PO所在的时隙的索引；UE监听的PO对应的起始符号的索引；UE监听的PO对应的同步信号块SSB波束的索引。
在一种可能的实现方式中，获取模块在接收基站发送的第一参数时，被配置为：
接收基站发送的系统消息，系统消息包括第一参数；
系统消息包括主系统信息块MIB与系统信息块SIB中的任一项。
在一种可能的实现方式中，监听模块在根据第一参数监听TRS序列和/或CSI-RS序列时，被配置为执行以下至少一项：
在空闲态时，根据第一参数监听TRS序列和/或CSI-RS序列；
在连接态时，根据第一参数监听TRS序列和/或CSI-RS序列。
在一种可能的实现方式中，第一参数的值范围为0至1023的整数。
在一种可能的实现方式中，第一参数为生成TRS序列和/或CSI-RS序列的扰码标识。
本公开实施例的设备，使得UE在空闲态下可以获取到用于监听TRS序列和/或CSI-RS序列所必须的第一参数，从而可以根据获取到的第一参数，对TRS序列和/或CSI-RS序列进行监听，进而可以根据TRS序列和/或CSI-RS序列的监听结果，确定是否尝试监听PO中的寻呼DCI以及其对应的PDSCH。
需要说明的是，本实施例为与上述的用户设备侧的方法项实施例相对应的装置项实施例，本实施例可与上述用户设备侧的方法项实施例互相配合实施。上述用户设备侧的方法项实施例中提到的相关技术细节在本实施例中依然有效，为了减少重复，这里不再赘述。相应地，本实施例中提到 的相关技术细节也可应用在上述用户设备侧的方法项实施例中。
图5为本公开又一实施例提供的一种基站设备的结构示意图，如图5所示，该设备500可以包括发送模块501，其中：
发送模块501，被配置为发送第一参数，第一参数用于UE监听TRS序列和/或CSI-RS序列。
在一种可能的实现方式中，发送模块在发送第一参数时，被配置为：
在UE处于空闲态时发送系统消息，系统消息中包括所述第一参数；
系统消息包括MIB与SIB中的任一项。
在一种可能的实现方式中，第一参数的值范围为0至1023的整数。
在一种可能的实现方式中，第一参数为生成TRS序列和/或CSI-RS序列的扰码标识。
本公开实施例的设备，使得UE在空闲态下可以获取到用于监听TRS序列和/或CSI-RS序列所必须的第一参数，从而可以根据获取到的第一参数，对TRS序列和/或CSI-RS序列进行监听，进而可以根据TRS序列和/或CSI-RS序列的监听结果，确定是否尝试监听PO中的寻呼DCI以及其对应的PDSCH。
需要说明的是，本实施例为与上述的基站侧的方法项实施例相对应的装置项实施例，本实施例可与上述基站侧的方法项实施例互相配合实施。上述基站侧的方法项实施例中提到的相关技术细节在本实施例中依然有效，为了减少重复，这里不再赘述。相应地，本实施例中提到的相关技术细节也可应用在上述基站侧的方法项实施例中。
本公开另一实施例提供了一种电子设备，如图6所示，图6所示的电子设备600包括：处理器601和存储器603。其中，处理器601和存储器603相连，如通过总线602相连。进一步地，电子设备600还可以包括收发器604。需要说明的是，实际应用中收发器604不限于一个，该电子设备600的结构并不构成对本公开实施例的限定。
其中，处理器601应用于本公开实施例中，用于实现图4所示的获取 模块与监听模块的功能，或者用于实现图5所示的发送模块的功能。收发器604包括接收机和发射机。
处理器601可以是CPU，通用处理器，DSP，ASIC，FPGA或者其他可编程逻辑器件、晶体管逻辑器件、硬件部件或者其任意组合。其可以实现或执行结合本公开公开内容所描述的各种示例性的逻辑方框，模块和电路。处理器601也可以是实现计算功能的组合，例如包含一个或多个微处理器组合，DSP和微处理器的组合等。
总线602可包括一通路，在上述组件之间传送信息。总线602可以是PCI总线或EISA总线等。总线602可以分为地址总线、数据总线、控制总线等。为便于表示，图6中仅用一条粗线表示，但并不表示仅有一根总线或一种类型的总线。
存储器603可以是ROM或可存储静态信息和指令的其他类型的静态存储设备，RAM或者可存储信息和指令的其他类型的动态存储设备，也可以是EEPROM、CD-ROM或其他光盘存储、光碟存储(包括压缩光碟、激光碟、光碟、数字通用光碟、蓝光光碟等)、磁盘存储介质或者其他磁存储设备、或者能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其他介质，但不限于此。
存储器603用于存储执行本公开方案的应用程序代码，并由处理器601来控制执行。处理器601用于执行存储器603中存储的应用程序代码，以实现图4所示实施例提供的用户设备的动作，或者实现图5所示实施例提供的基站设备的动作。
本公开实施例提供的电子设备，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，处理器执行程序时，可实现如下两个方面的内容：
一个方面：在空闲态时获取第一参数；接着，根据第一参数监听追踪导频TRS序列和/或信道状态信息参考信号CSI-RS序列。
另一个方面：发送第一参数，第一参数用于UE监听TRS序列和/或CSI-RS序列。
本公开实施例提供了一种计算机可读存储介质，该计算机可读存储介 质上存储有计算机程序，该程序被处理器执行时实现上述实施例所示的方法，使得UE在空闲态下可以获取到用于监听TRS序列和/或CSI-RS序列所必须的第一参数，从而可以根据获取到的第一参数，对TRS序列和/或CSI-RS序列进行监听，进而可以根据TRS序列和/或CSI-RS序列的监听结果，确定是否尝试监听PO中的寻呼DCI以及其对应的PDSCH。
本公开实施例提供的计算机可读存储介质适用于上述方法的任一实施例。
应该理解的是，虽然附图的流程图中的各个步骤按照箭头的指示依次显示，但是这些步骤并不是必然按照箭头指示的顺序依次执行。除非本文中有明确的说明，这些步骤的执行并没有严格的顺序限制，其可以以其他的顺序执行。而且，附图的流程图中的至少一部分步骤可以包括多个子步骤或者多个阶段，这些子步骤或者阶段并不必然是在同一时刻执行完成，而是可以在不同的时刻执行，其执行顺序也不必然是依次进行，而是可以与其他步骤或者其他步骤的子步骤或者阶段的至少一部分轮流或者交替地执行。
以上所述仅是本公开的部分实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本公开原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本公开的保护范围。

Claims (24)

  1. 一种通信方法，其特征在于，包括：
    在空闲态时获取第一参数；
    根据所述第一参数监听追踪导频TRS序列和/或信道状态信息参考信号CSI-RS序列。
  2. 根据权利要求1所述的方法，其特征在于，所述在空闲态时获取第一参数，包括以下至少一种方式：
    获取预先设定的第一参数；
    接收基站发送的第一参数；
    根据第二参数、以及所述第一参数与所述第二参数之间的关联关系，确定所述第一参数，其中，所述第二参数是与用户设备UE监听的寻呼时机PO相关的参数。
  3. 根据权利要求2所述的方法，其特征在于，所述与UE监听的PO相关的参数，包括以下至少一项：
    UE监听的PO所在的小区物理层小区标识；UE监听的PO所在的无线帧的索引；UE监听的PO所在的时隙的索引；UE监听的PO对应的起始符号的索引；UE监听的PO对应的同步信号块SSB波束的索引。
  4. 根据权利要求2所述的方法，其特征在于，所述接收基站发送的第一参数，包括：
    接收基站发送的系统消息，所述系统消息包括所述第一参数；
    所述系统消息包括主系统信息块MIB与系统信息块SIB中的任一项。
  5. 根据权利要求1所述的方法，其特征在于，所述根据所述第一参数监听TRS序列和/或CSI-RS序列，包括以下至少一项：
    在空闲态时，根据所述第一参数监听所述TRS序列和/或CSI-RS序列；
    在连接态时，根据所述第一参数监听所述TRS序列和/或CSI-RS序列。
  6. 根据权利要求1-5任一项所述的方法，其特征在于，所述第一参数的值范围为0至1023的整数。
  7. 根据权利要求1-5任一项所述的方法，其特征在于，所述第一参数为生成所述TRS序列和/或CSI-RS序列的扰码标识。
  8. 一种通信方法，其特征在于，包括：
    发送第一参数，所述第一参数用于UE监听TRS序列和/或CSI-RS序列。
  9. 根据权利要求8所述的方法，其特征在于，所述发送第一参数，包括：
    发送系统消息，所述系统消息中包括所述第一参数；
    所述系统消息包括MIB与SIB中的任一项。
  10. 根据权利要求8或9所述的方法，其特征在于，所述第一参数的值范围为0至1023的整数。
  11. 根据权利要求8或9所述的方法，其特征在于，所述第一参数为生成所述TRS序列和/或CSI-RS序列的扰码标识。
  12. 一种用户设备，其特征在于，包括：
    获取模块，被配置为在空闲态时获取第一参数；
    监听模块，被配置为根据所述第一参数监听追踪导频TRS序列和/或信道状态信息参考信号CSI-RS序列。
  13. 根据权利要求12所述的用户设备，其特征在于，所述获取模块 被配置为执行以下至少一种：
    获取预先设定的第一参数；
    接收基站发送的第一参数；
    根据第二参数、以及所述第一参数与所述第二参数之间的关联关系，确定所述第一参数，其中，所述第二参数是与UE监听的寻呼时机PO相关的参数。
  14. 根据权利要求13所述的用户设备，其特征在于，所述与UE监听的PO相关的参数包括以下至少一项：
    UE监听的PO所在的小区物理层小区标识；UE监听的PO所在的无线帧的索引；UE监听的PO所在的时隙的索引；UE监听的PO对应的起始符号的索引；UE监听的PO对应的同步信号块SSB波束的索引。
  15. 根据权利要求13所述的用户设备，其特征在于，所述获取模块在接收基站发送的第一参数时，被配置为：
    接收基站发送的系统消息，所述系统消息包括所述第一参数；
    所述系统消息包括主系统信息块MIB与系统信息块SIB中的任一项。
  16. 根据权利要求12所述的用户设备，其特征在于，所述监听模块在根据所述第一参数监听TRS序列和/或CSI-RS序列时，被配置为执行以下至少一项：
    在空闲态时，根据所述第一参数监听所述TRS序列和/或CSI-RS序列；
    在连接态时，根据所述第一参数监听所述TRS序列和/或CSI-RS序列。
  17. 根据权利要求12-16任一项所述的方法，其特征在于，所述第一参数的值范围为0至1023的整数。
  18. 根据权利要求12-16任一项所述的方法，其特征在于，所述第一参数为生成所述TRS序列和/或CSI-RS序列的扰码标识。
  19. 一种基站设备，其特征在于，包括：
    发送模块，被配置为发送第一参数，所述第一参数用于UE监听TRS序列和/或CSI-RS序列。
  20. 根据权利要求19所述的基站设备，其特征在于，所述发送模块在发送第一参数时，被配置为：
    发送系统消息，所述系统消息中包括所述第一参数；
    所述系统消息包括MIB与SIB中的任一项。
  21. 根据权利要求19或20所述的基站设备，其特征在于，所述第一参数的值范围为0至1023的整数。
  22. 根据权利要求19或20所述的方法，其特征在于，所述第一参数为生成所述TRS序列和/或CSI-RS序列的扰码标识。
  23. 一种电子设备，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，其特征在于，所述处理器执行所述程序时实现权利要求1-11任一项所述的方法。
  24. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质上存储有计算机程序，该程序被处理器执行时实现权利要求1-11任一项所述的方法。
PCT/CN2020/103106 2020-07-20 2020-07-20 通信方法、用户设备、基站设备及计算机存储介质 Ceased WO2022016337A1 (zh)

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