Method executed by user equipment or base station, user equipment and base station

Abstract

The invention provides a method executed by user equipment or a base station, the user equipment and the base station. For example, according to at least one embodiment of the present disclosure, a method performed by a user equipment (UE) in a communication system is provided, comprising: receiving first configuration information for a first signal and second configuration information for a second signal from a base station; and when a third signal is received from the base station and / or a first condition is determined to be satisfied, performing a first operation based on at least one of the first configuration information and the second configuration information, the first operation including at least one of listening of the first signal and radio resource management (RRM) measurement based on the second signal, wherein the first signal comprises a low-power signal used for waking up the UE, and the second signal comprises a low-power signal used for synchronization and / or RRM measurement.

Description

Technical Field

[0001] The present disclosure relates to the field of wireless communications, and more particularly, to low-power signals for communication. Background Art

[0002] In order to meet the increasing demand for wireless data communication services since the deployment of 4G communication systems, efforts have been made to develop improved 5G or pre-5G communication systems. Therefore, 5G or pre-5G communication systems are also referred to as "super 4G networks" or "post-LTE systems".

[0003] The 5G communication system is implemented in a higher frequency (millimeter wave, mmWave) band, such as the 60 GHz band, to achieve higher data rates. In order to reduce the propagation loss of radio waves and increase the transmission distance, beamforming, massive multiple-input multiple-output (MIMO), full-dimensional MIMO (FD-MIMO), array antennas, analog beamforming, and massive antenna technologies are discussed in the 5G communication system.

[0004] In addition, in the 5G communication system, developments of system network improvements are being carried out based on advanced small cells, cloud radio access network (RAN), ultra-dense networks, device-to-device (D2D) communication, wireless backhaul, mobile networks, cooperative communication, coordinated multi-point (CoMP), receiver interference cancellation, etc.

[0005] In the 5G system, hybrid FSK and QAM modulation (FQAM) and sliding window superimposed coding (SWSC) as advanced coding modulation (ACM), and filter bank multicarrier (FBMC), non-orthogonal multiple access (NOMA), and sparse code multiple access (SCMA) as advanced access technologies have been developed. Summary of the Invention

[0006] According to at least one embodiment of the present disclosure, a method performed by a user equipment UE in a communication system is provided, including: receiving first configuration information for a first signal and second configuration information for a second signal from a base station; performing a first operation based on at least one of the first configuration information and the second configuration information when a third signal is received from the base station and / or a first condition is determined to be satisfied, the first operation including at least one of listening for the first signal and radio resource management RRM measurement based on the second signal, wherein the first signal includes a low-power signal for waking up the UE, and the second signal includes a low-power signal for synchronization and / or RRM measurement.

[0007] In one implementation, the first configuration information and the second configuration information may be configured simultaneously or may be configured separately. For example, the first configuration information and the second configuration information may be configured through one message or may be configured separately through different messages.

[0008] In one implementation, the third signal includes indication information for indicating activation of the first operation, for at least one of the following:

[0009] Indicating activation of the first operation,

[0010] Indicating that the UE performs periodic monitoring or continuous monitoring based on the first signal,

[0011] Indicating that the UE performs RRM measurement based on the second signal.

[0012] In one implementation, the first operation further includes at least one of the following:

[0013] Not monitoring the physical downlink control channel PDCCH search space or the downlink control information DCI with a cyclic redundancy check CRC scrambled by the power saving radio network temporary identity PS_RNTI,

[0014] Not monitoring the paging occasion or the paging early indication,

[0015] No longer performing RRM measurement based on the synchronization signal and the physical broadcast channel block SSB,

[0016] Turning on the receiving module for the wake-up signal;

[0017] The main radio communication module enters the sleep state;

[0018] Within a second time after receiving the third signal and / or before the main radio communication module enters the sleep state, sending a first confirmation signal for the third signal;

[0019] The UE does not expect to monitor the PDCCH search space set and / or the paging occasion;

[0020] In the RRC CONNECTED state, the UE does not expect to monitor the DCI with a CRC scrambled by the PS_RNTI;

[0021] In the RRC INACTIVE state, the UE does not expect to monitor the paging early indication.

[0022] In one implementation, the third signal includes a DCI message, and the DCI message further includes at least one of the following:

[0023] Identification information for indicating the DCI format,

[0024] Feedback time information, used to indicate the time information for the UE from receiving the third signal to sending the first acknowledgment signal for the third signal.

[0025] Information related to the bandwidth part BWP for the first signal and / or the second signal.

[0026] Time domain resource allocation information for the first acknowledgment signal.

[0027] Frequency domain resource allocation information for the first acknowledgment signal.

[0028] In one implementation, the method further includes: sending a fourth signal to the base station, where the fourth signal is used to request the base station to send the third signal.

[0029] In one implementation, the first acknowledgment signal is used to indicate to the base station at least one of the following:

[0030] The UE has activated the first operation.

[0031] The UE has deactivated the main radio communication module.

[0032] The UE no longer monitors the PDCCH search space or the DCI with the CRC scrambled by the PS_RNTI.

[0033] The UE no longer monitors the paging occasion or the paging early indication.

[0034] The UE no longer performs RRM measurements based on the SSB.

[0035] In one implementation, the UE activates or deactivates the first operation after a first time unit after sending the first acknowledgment signal, where the first time unit is related to the SCS of the first acknowledgment signal and / or the BWP switching time.

[0036] In one implementation, the first condition includes at least one of the following:

[0037] The change or difference in the RSRP of the SSB within the third time is less than or equal to the first threshold.

[0038] The change or difference in the RSRQ of the SSB within the fourth time is less than or equal to the second threshold.

[0039] The RSRP of the SSB is greater than or equal to the third threshold.

[0040] The RSRQ of the SSB is greater than or equal to the fourth threshold.

[0041] The value of the first timer decrements to 0. The first timer is started when the UE detects one or more DCI formats during a PDCCH monitoring occasion, and the value of the timer decrements according to a time unit. If the UE detects one or more DCI formats again before the first timer decrements to 0, the UE resets the first timer;

[0042] The UE receives a third signal.

[0043] In one implementation, when receiving the third signal from the base station and / or determining that the first condition is satisfied, the method further includes:

[0044] Based on the first signal, perform a second operation, where the second operation includes at least one of the following:

[0045] Turn on the main radio communication module,

[0046] In the RRC CONNECTED state, the UE monitors the PDCCH search space or DCI with a CRC scrambled by PS_RNTI after a fifth time.

[0047] In the RRC INACTIVE or IDLE state, the UE monitors the paging early indication or paging occasion after a sixth time.

[0048] In the RRC INACTIVE or IDLE state, the UE enters the RRC CONNECTED state after a seventh time.

[0049] The UE performs RRM measurements based on the SSB after an eighth time.

[0050] The UE turns off or deactivates the receiving module for the wake-up signal.

[0051] The UE does not expect to monitor the first signal listening occasion starting from the next first signal listening occasion.

[0052] The UE does not expect to perform RRM measurements based on the second signal.

[0053] In one implementation, there is an association relationship between the paging occasion and the first signal, and the association relationship is indicated by the information carried by the first signal or is a predetermined association relationship.

[0054] In one implementation, the method further includes: the UE performs at least one of the following operations:

[0055] When the UE monitors the PDCCH search space or paging occasion, the UE does not monitor the first signal;

[0056] When the UE monitors the monitoring occasion of the DCI with CRC scrambled by the PS_RNTI and / or the PEI occasion, the UE does not monitor the first signal;

[0057] Within the ninth time after receiving the first signal, the UE sends a second confirmation signal for the first signal.

[0058] In one implementation, the second confirmation signal is used to indicate to the base station at least one of the following:

[0059] The UE has activated the main radio communication module,

[0060] The UE has deactivated the receiving module for the wake-up signal,

[0061] The UE starts to perform monitoring of the PDCCH search space or the DCI with CRC scrambled by the PS_RNTI,

[0062] The UE performs paging occasion or paging early indication monitoring,

[0063] The UE performs RRM measurement based on the SSB,

[0064] The UE deactivates the first signal monitoring occasion,

[0065] The UE deactivates the RRM measurement based on the second signal.

[0066] In one implementation, the UE starts to monitor the PDCCH search space after the second time unit after sending the second confirmation signal, where the second time unit is related to the SCS of the second confirmation signal and / or the BWP switching time.

[0067] In one implementation, the UE is in the RRC INACTIVE or IDLE state, the first signal and / or the second signal are configured by the SIB, and

[0068] If the UE monitors the paging early indication or the paging occasion and only receives the system information change, the UE performs the first operation within the tenth time after receiving the system information change and / or before the next PO, and when it is determined that the first condition is satisfied.

[0069] In one implementation, the UE is in the RRC CONNECTED state, the first signal and / or the second signal are configured by the RRC, and

[0070] The start position or the end position of the monitoring occasion of the first signal is determined based on the start time unit of the DRX on-duration timer or the on-duration timer of the long DRX and a predefined or preconfigured offset.

[0071] In one implementation, if the UE monitors a first signal within a first signal monitoring occasion, and / or the first signal instructs the UE to wake up and monitor the PDCCH within the duration of the on-duration timer of the next DRX, the UE starts from the start time unit of the on-duration timer of the next DRX and monitors the PDCCH within the durations of the on-duration timers of the subsequent N DRXs and does not monitor the first signal monitoring occasion associated with the on-duration timers of the N DRXs, where N is a value configured or predefined by the base station or a value reported by the UE according to its own capabilities.

[0072] In one implementation, the method further includes: the UE reporting the measurement result corresponding to the RRM measurement, where the measurement result includes indication information for indicating whether the measurement result is based on a second signal.

[0073] In one implementation, when it is determined that the first condition is not satisfied, the first operation is not performed.

[0074] According to at least one embodiment of the present disclosure, there is provided a method performed by a user equipment UE in a communication system, including: receiving a first sequence and a generated sequence of a first signal, where the first sequence indicates or includes partial or all bit information of the first signal, and obtaining information bits of the first signal based on the generated sequence and / or the first sequence of the first signal; and / or receiving a second sequence and a generated sequence of a second signal, where the second sequence indicates or includes partial or all bit information of the second signal, and obtaining information bits carried by the second signal based on the generated sequence and / or the second sequence of the second signal.

[0075] In one implementation, the generated sequence of the first signal indicates or includes partial bit information of the first signal, and / or the generated sequence of the second signal indicates or includes partial bit information of the first signal.

[0076] In one implementation, the generated sequence of the first signal indicates or includes at least one of the following:

[0077] All or part of the bits of the UE ID;

[0078] All or part of the bits of the UE group ID;

[0079] All or part of the bits of the UE subgroup ID;

[0080] The index of the paging occasion PO.

[0081] In one implementation, the payload bits carried by the first sequence of the first signal indicate at least one of the following:

[0082] All or part of the bits of the UE ID;

[0083] All or part of the bits of the UE group ID;

[0084] All or part of the bits of the UE subgroup ID;

[0085] Whether the UE group or UE subgroup corresponding to the PO associated with the first signal needs to wake up to monitor the downlink signal;

[0086] The number of POs associated with the first signal;

[0087] The time domain resource of the third confirmation signal for the first signal;

[0088] The frequency domain resource of the third confirmation signal for the first signal.

[0089] In one implementation, the first signal carries at least one of the partial bits of the UE ID, the partial bits of the UE group ID, and the partial bits of the UE subgroup ID through a generated sequence.

[0090] In one implementation, the generated sequence of the first signal includes bits for indicating the index of the PO or the index of the PO and the corresponding paging frame number.

[0091] In one implementation, the time domain resource of the third confirmation signal is indicated by at least one of the following:

[0092] The time unit offset between the start or end time slot of receiving the first signal and the time of transmitting the third confirmation signal;

[0093] The starting symbol index of the third confirmation signal within the time unit;

[0094] The symbol length of the third confirmation signal;

[0095] Among them, the frequency domain resource of the third confirmation signal is indicated by at least one of the following:

[0096] The ending resource block index;

[0097] The starting resource block index;

[0098] The number of resource blocks.

[0099] In one implementation, the generated sequence of the second signal indicates at least one of the following:

[0100] Part or all of the cell ID,

[0101] The index of the second signal.

[0102] In one implementation, the payload bits carried by the second sequence of the second signal indicate at least one of the following:

[0103] Part or all of the cell ID;

[0104] The second signal index of the serving cell and / or non-serving cell.

[0105] In one implementation, the method further includes: obtaining the relevant parameters of the second signal through an SIB message in the RRC INACTIVE state, or obtaining the relevant parameters of the second signal through an RRC message in the RRC CONNECTED state,

[0106] Wherein, the relevant parameters of the second signal include at least one of the following:

[0107] The frequency domain position of the second signal;

[0108] The frequency domain length occupied by the second signal;

[0109] The subcarrier spacing of the second signal;

[0110] The second signal index of the serving cell and / or non-serving cell;

[0111] The transmission period of the second signal;

[0112] The power control offset of the second signal;

[0113] The starting point of the second signal transmission in each transmission period;

[0114] In each transmission period, the index of the first symbol or time slot of the second signal transmission.

[0115] In one implementation, the frequency domain position of the second signal is obtained based on at least one of the frequency domain position of the SSB, the position of point A, and the pre-configured offset.

[0116] In one implementation, the relevant parameters of the second signal further include the configuration of the burst set, the burst set includes multiple second signals, and every two second signals in the burst set of the second signal are discontinuous in the time domain, or every two second signals in the burst set of the second signal are continuous in the time domain.

[0117] According to at least one embodiment of the present disclosure, a method performed by a base station in a communication system is provided, including: sending first configuration information for a first signal and second configuration information for a second signal to a user equipment (UE); sending a third signal to the UE; wherein at least one of the first configuration information and the second configuration information is used by the UE to perform a first operation, the first operation including at least one of listening for the first signal and radio resource management (RRM) measurement based on the second signal, wherein the first signal includes a low-power signal for waking up the UE, and the second signal includes a low-power signal for synchronization and / or RRM measurement.

[0118] In one implementation, if the base station does not receive an acknowledgement signal for the third signal within an eleventh time after sending the third signal, the base station re-sends the third signal.

[0119] According to at least one embodiment of the present disclosure, a method performed by a base station in a communication system is provided, including: sending a first sequence and a generation sequence of a first signal to a user equipment (UE), the first sequence indicating or including partial or all bit information of the first signal, and the generation sequence and / or the first sequence of the first signal being used by the UE to obtain information bits of the first signal; and / or sending a second sequence and a generation sequence of a second signal to the UE, the second sequence indicating or including partial or all bit information of the second signal, and the generation sequence and / or the second sequence of the second signal being used by the UE to obtain information bits carried by the second signal.

[0120] According to at least one embodiment of the present disclosure, a user equipment (UE) in a communication system is provided, including:

[0121] A transceiver configured to send and / or receive signals;

[0122] A controller configured to control the UE to perform a method according to at least one embodiment of the present disclosure.

[0123] According to at least one embodiment of the present disclosure, a base station in a communication system is provided, including:

[0124] A transceiver configured to send and / or receive signals;

[0125] A controller configured to control the base station to perform a method according to at least one embodiment of the present disclosure. Description of the Drawings

[0126] To more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings of the embodiments of the present disclosure will be briefly introduced below. Obviously, the drawings described below only relate to some embodiments of the present disclosure and do not limit the present disclosure. In the drawings:

[0127] Figure 1 shows a schematic diagram of an example wireless network according to some embodiments of the present disclosure;

[0128] Figure 2A and Figure 2B shows an example wireless transmission and reception path according to some embodiments of the present disclosure;

[0129] Figure 3A shows an example user equipment (UE) according to some embodiments of the present disclosure;

[0130] Figure 3B shows an example gNB according to some embodiments of the present disclosure;

[0131] Figure 4 shows an example operation method according to some embodiments of the present disclosure;

[0132] Figure 5 shows an example operation method according to some embodiments of the present disclosure;

[0133] Figure 6 shows an example operation method according to some embodiments of the present disclosure;

[0134] Figure 7 shows a block diagram of the hardware structure of a communication device according to some embodiments of the present disclosure. Detailed Description

[0135] The following description with reference to the accompanying drawings is provided to facilitate a thorough understanding of the various embodiments of the present disclosure defined by the claims and their equivalents. This description includes various specific details to facilitate understanding but should only be considered exemplary. Thus, those of ordinary skill in the art will recognize that various changes and modifications can be made to the various embodiments described herein without departing from the scope and spirit of the present disclosure. In addition, descriptions of well-known functions and structures may be omitted for clarity and conciseness.

[0136] The terms and phrases used in the following specification and claims are not limited to their dictionary meanings but are used solely by the inventors to enable a clear and consistent understanding of the present disclosure. Thus, it should be apparent to those skilled in the art that the following description of the various embodiments of the present disclosure is provided for illustrative purposes only and not for the purpose of limiting the present disclosure as defined by the appended claims and their equivalents.

[0137] It should be understood that the singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component surface" includes reference to one or more such surfaces.

[0138] The term "comprises" or "may comprise" refers to the presence of the corresponding disclosed function, operation, or component that can be used in various embodiments of the present disclosure, rather than limiting the presence of one or more additional functions, operations, or features. In addition, the term "comprises" or "has" may be interpreted as indicating certain characteristics, numbers, steps, operations, components, elements, or combinations thereof, but shall not be construed as excluding the possibility of the presence of one or more other characteristics, numbers, steps, operations, components, elements, or combinations thereof.

[0139] The term "or" used in various embodiments of the present disclosure includes any of the recited terms and all combinations thereof. For example, "A or B" may include A, may include B, or may include both A and B.

[0140] Unless otherwise defined, all terms (including technical or scientific terms) used in the present disclosure have the same meaning as understood by those skilled in the art to which the present disclosure pertains. Ordinary terms defined in a dictionary are interpreted to have a meaning consistent with the context in the relevant technical field and shall not be interpreted idealistically or overly formally unless clearly defined as such in the present disclosure.

[0141] The technical solutions of the embodiments of the present application can be applied to various communication systems, such as: Global System for Mobile Communications (GSM) system, Code Division Multiple Access (CDMA) system, Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, LTE Frequency Division Duplex (FDD) system, LTE Time Division Duplex (TDD), Universal Mobile Telecommunication System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) communication system, Fifth Generation (5G) system, or New Radio (NR), etc. In addition, the technical solutions of the embodiments of the present application can be applied to future-oriented communication technologies.

[0142] Figure 1 FIG. 1 shows an example wireless network 100 in accordance with various embodiments of the present disclosure. Figure 1 The embodiment of the wireless network 100 shown in FIG. 1 is for illustration only. Other embodiments of the wireless network 100 can be used without departing from the scope of the present disclosure.

[0143] The wireless network 100 includes gNodeB (gNB) 101, gNB 102, and gNB 103. gNB 101 communicates with gNB 102 and gNB 103. gNB 101 also communicates with at least one Internet Protocol (IP) network 130, such as the Internet, a private IP network, or other data networks.

[0144] Depending on the network type, other well-known terms, such as "base station" or "access point", can be used in place of "gNodeB" or "gNB". For convenience, the terms "gNodeB" and "gNB" are used in this patent document to refer to network infrastructure components that provide wireless access to remote terminals. Also, depending on the network type, other well-known terms, such as "mobile station", "subscriber station", "remote terminal", "wireless terminal", or "user device", can be used in place of "user equipment" or "UE". For convenience, the terms "user equipment" and "UE" are used in this patent document to refer to remote wireless devices that wirelessly access the gNB, whether the UE is a mobile device (such as a mobile phone or smartphone) or a typically considered fixed device (such as a desktop computer or vending machine).

[0145] gNB 102 provides wireless broadband access to the network 130 for a first plurality of user equipment (UE) within the coverage area 120 of gNB 102. The first plurality of UEs includes: UE 111, which can be located in a small business (SB); UE 112, which can be located in an enterprise (E); UE 113, which can be located in a WiFi hotspot (HS); UE 114, which can be located in a first residence (R); UE 115, which can be located in a second residence (R); UE 116, which can be a mobile device (M), such as a cellular phone, wireless laptop computer, wireless PDA, etc. gNB 103 provides wireless broadband access to the network 130 for a second plurality of UEs within the coverage area 125 of gNB 103. The second plurality of UEs includes UE 115 and UE 116. In some embodiments, one or more of gNBs 101 - 103 can communicate with each other and with UEs 111 - 116 using 5G, Long-Term Evolution (LTE), LTE-A, WiMAX, or other advanced wireless communication technologies.

[0146] The dashed lines illustrate the approximate extent of coverage areas 120 and 125, which are shown as approximately circular merely for purposes of illustration and explanation. It should be clearly understood that the coverage areas associated with a gNB, such as coverage areas 120 and 125, can have other shapes, including irregular shapes, depending on the configuration of the gNB and changes in the radio environment associated with natural and man-made obstacles.

[0147] As described in more detail below, one or more of gNB 101, gNB 102, and gNB 103 include a 2D antenna array as described in embodiments of the present disclosure. In some embodiments, one or more of gNB 101, gNB 102, and gNB 103 support codebook designs and structures for systems with 2D antenna arrays.

[0148] Although Figure 1 an example of a wireless network 100 is shown, various changes can be made to Figure 1 it. For example, the wireless network 100 can include any number of gNBs and any number of UEs arranged in any suitable manner. Also, gNB 101 can communicate directly with any number of UEs and provide those UEs with wireless broadband access to network 130. Similarly, each of gNBs 102 - 103 can communicate directly with network 130 and provide direct wireless broadband access to UEs. Additionally, gNBs 101, 102, and / or 103 can provide access to other or additional external networks, such as an external telephone network or other types of data networks.

[0149] Figure 2A and Figure 2B illustrates an example wireless transmit and receive path according to the present disclosure. In the following description, transmit path 200 can be described as being implemented in a gNB, such as gNB 102, while receive path 250 can be described as being implemented in a UE, such as UE 116. However, it should be understood that receive path 250 can be implemented in a gNB and transmit path 200 can be implemented in a UE. In some embodiments, receive path 250 is configured to support codebook designs and structures for systems with 2D antenna arrays as described in embodiments of the present disclosure.

[0150] The transmit path 200 includes a channel coding and modulation block 205, a serial-to-parallel (S-to-P) block 210, an N-point inverse fast Fourier transform (IFFT) block 215, a parallel-to-serial (P-to-S) block 220, a cyclic prefix addition block 225, and an upconverter (UC) 230. The receive path 250 includes a downconverter (DC) 255, a cyclic prefix removal block 260, a serial-to-parallel (S-to-P) block 265, an N-point fast Fourier transform (FFT) block 270, a parallel-to-serial (P-to-S) block 275, and a channel decoding and demodulation block 280.

[0151] In the transmit path 200, the channel coding and modulation block 205 receives a set of information bits, applies coding (such as low density parity check (LDPC) coding), and modulates the input bits (such as using quadrature phase shift keying (QPSK) or quadrature amplitude modulation (QAM)) to generate a sequence of frequency-domain modulation symbols. The serial-to-parallel (S-to-P) block 210 converts (such as demultiplexes) the serial modulation symbols into parallel data to generate N parallel symbol streams, where N is the number of IFFT / FFT points used in gNB 102 and UE 116. The N-point IFFT block 215 performs an IFFT operation on the N parallel symbol streams to generate a time-domain output signal. The parallel-to-serial block 220 converts (such as multiplexes) the parallel time-domain output symbols from the N-point IFFT block 215 to generate a serial time-domain signal. The cyclic prefix addition block 225 inserts a cyclic prefix into the time-domain signal. The upconverter 230 modulates (such as upconverts) the output of the cyclic prefix addition block 225 to an RF frequency for transmission via the wireless channel. The signal can also be filtered at baseband before being upconverted to the RF frequency.

[0152] The RF signal transmitted from gNB 102 arrives at UE 116 after passing through the wireless channel, and operations opposite to those at gNB 102 are performed at UE 116. The downconverter 255 downconverts the received signal to a baseband frequency, and the cyclic prefix removal block 260 removes the cyclic prefix to generate a serial time-domain baseband signal. The serial-to-parallel block 265 converts the time-domain baseband signal into a parallel time-domain signal. The N-point FFT block 270 performs an FFT algorithm to generate N parallel frequency-domain signals. The parallel-to-serial block 275 converts the parallel frequency-domain signals into a sequence of modulated data symbols. The channel decoding and demodulation block 280 demodulates and decodes the modulated symbols to recover the original input data stream.

[0153] Each of gNBs 101-103 may implement a transmission path 200 similar to transmitting to UEs 111-116 in the downlink, and may implement a reception path 250 similar to receiving from UEs 111-116 in the uplink. Similarly, each of UEs 111-116 may implement a transmission path 200 for transmitting to gNBs 101-103 in the uplink, and may implement a reception path 250 for receiving from gNBs 101-103 in the downlink.

[0154] Figure 2A and Figure 2B Each of the components in may be implemented using only hardware, or using a combination of hardware and software / firmware. As a specific example, at least some of the components in FIGS. 2a and 2b may be implemented in software, while other components may be implemented by configurable hardware or a hybrid of software and configurable hardware. For example, the FFT block 270 and the IFFT block 215 may be implemented as configurable software algorithms, where the value of the number of points N may be modified according to the implementation.

[0155] Furthermore, although described as using FFT and IFFT, this is merely illustrative and should not be construed as limiting the scope of the present disclosure. Other types of transforms, such as the discrete Fourier transform (DFT) and the inverse discrete Fourier transform (IDFT) functions, can be used. It should be understood that for the DFT and IDFT functions, the value of the variable N can be any integer (such as 1, 2, 3, 4, etc.), while for the FFT and IFFT functions, the value of the variable N can be any integer that is a power of 2 (such as 1, 2, 4, 8, 16, etc.).

[0156] Although Figure 2A and Figure 2B show examples of wireless transmission and reception paths, various changes can be made to Figure 2A and Figure 2B . For example, Figure 2A and Figure 2B the various components in can be combined, further subdivided, or omitted, and additional components can be added according to specific needs. Moreover, Figure 2A and Figure 2B are intended to show examples of the types of transmission and reception paths that can be used in a wireless network. Any other suitable architecture can be used to support wireless communication in a wireless network.

[0157] Figure 3A shows an example UE 116 according to the present disclosure. Figure 3A The embodiment of UE 116 shown in is for illustrative purposes only, and Figure 1The UEs 111-115 can have the same or similar configurations. However, the UEs have a wide variety of configurations, and FIG. 3a does not limit the scope of the present disclosure to any particular implementation of the UE.

[0158] UE 116 includes an antenna 305, a radio frequency (RF) transceiver 310, a transmit (TX) processing circuit 315, a microphone 320, and a receive (RX) processing circuit 325. UE 116 also includes a speaker 330, a processor / controller 340, an input / output (I / O) interface 345, one or more input devices 350, a display 355, and a memory 360. The memory 360 includes an operating system (OS) 361 and one or more applications 362.

[0159] The RF transceiver 310 receives incoming RF signals transmitted by the gNB of the wireless network 100 from the antenna 305. The RF transceiver 310 downconverts the incoming RF signals to generate an intermediate frequency (IF) or baseband signal. The IF or baseband signal is sent to the RX processing circuit 325, where the RX processing circuit 325 generates a processed baseband signal by filtering, decoding, and / or digitizing the baseband or IF signal. The RX processing circuit 325 sends the processed baseband signal to the speaker 330 (such as for voice data) or to the processor / controller 340 (such as for web browsing data) for further processing.

[0160] The TX processing circuit 315 receives analog or digital voice data from the microphone 320, or other outgoing baseband data (such as network data, email, or interactive video game data) from the processor / controller 340. The TX processing circuit 315 encodes, multiplexes, and / or digitizes the outgoing baseband data to generate a processed baseband or IF signal. The RF transceiver 310 receives the outgoing processed baseband or IF signal from the TX processing circuit 315 and upconverts the baseband or IF signal to an RF signal transmitted via the antenna 305.

[0161] The processor / controller 340 can include one or more processors or other processing devices and execute the OS 361 stored in the memory 360 to control the overall operation of the UE 116. For example, the processor / controller 340 can control the reception of forward channel signals and the transmission of reverse channel signals through the RF transceiver 310, the RX processing circuit 325, and the TX processing circuit 315 according to well-known principles. In some embodiments, the processor / controller 340 includes at least one microprocessor or microcontroller.

[0162] The processor / controller 340 is also capable of executing other processes and programs resident in the memory 360, such as operations for channel quality measurement and reporting for a system having a 2D antenna array as described in embodiments of the present disclosure. The processor / controller 340 can move data into or out of the memory 360 as needed for the execution of the processes. In some embodiments, the processor / controller 340 is configured to execute the application 362 based on the OS 361 or in response to signals received from the gNB or the operator. The processor / controller 340 is also coupled to the I / O interface 345, where the I / O interface 345 provides the UE 116 with the ability to connect to other devices such as laptop computers and handheld computers. The I / O interface 345 is a communication path between these accessories and the processor / controller 340.

[0163] The processor / controller 340 is also coupled to the (one or more) input devices 350 and the display 355. The operator of the UE 116 can use the (one or more) input devices 350 to input data into the UE 116. The display 355 can be a liquid crystal display or other display capable of presenting text and / or at least limited graphics (such as from a website). The memory 360 is coupled to the processor / controller 340. A portion of the memory 360 can include random access memory (RAM), while another portion of the memory 360 can include flash memory or other read-only memory (ROM).

[0164] Although Figure 3A an example of the UE 116 is shown, various changes can be made to Figure 3A it. For example, Figure 3A the various components in it can be combined, further subdivided, or omitted, and additional components can be added according to specific needs. As a specific example, the processor / controller 340 can be divided into multiple processors, such as one or more central processing units (CPUs) and one or more graphics processing units (GPUs). Moreover, although Figure 3A the UE116 is shown configured as a mobile phone or smartphone, the UE can be configured to operate as other types of mobile or fixed devices.

[0165] FIG. 3b shows an example gNB 102 according to the present disclosure. The embodiment of the gNB 102 shown in FIG. 3b is for illustration only, and Figure 1 other gNBs can have the same or similar configurations. However, gNBs have a wide variety of configurations, and FIG. 3b does not limit the scope of the present disclosure to any particular implementation of the gNB. It should be noted that the gNB 101 and gNB 103 can include structures the same as or similar to those of the gNB 102.

[0166] As Figure 3BAs shown, gNB 102 includes a plurality of antennas 370a - 370n, a plurality of RF transceivers 372a - 372n, transmit (TX) processing circuitry 374, and receive (RX) processing circuitry 376. In certain embodiments, one or more of the plurality of antennas 370a - 370n include a 2D antenna array. gNB 102 also includes a controller / processor 378, a memory 380, and a backhaul or network interface 382.

[0167] The RF transceivers 372a - 372n receive incoming RF signals from the antennas 370a - 370n, such as signals transmitted by a UE or other gNB. The RF transceivers 372a - 372n down-convert the incoming RF signals to generate IF or baseband signals. The IF or baseband signals are sent to the RX processing circuitry 376, where the RX processing circuitry 376 generates a processed baseband signal by filtering, decoding, and / or digitizing the baseband or IF signal. The RX processing circuitry 376 sends the processed baseband signal to the controller / processor 378 for further processing.

[0168] The TX processing circuitry 374 receives analog or digital data (such as voice data, network data, email, or interactive video game data) from the controller / processor 378. The TX processing circuitry 374 encodes, multiplexes, and / or digitizes the outgoing baseband data to generate a processed baseband or IF signal. The RF transceivers 372a - 372n receive the outgoing processed baseband or IF signal from the TX processing circuitry 374 and up-convert the baseband or IF signal to an RF signal transmitted via the antennas 370a - 370n.

[0169] The controller / processor 378 can include one or more processors or other processing devices that control the overall operation of the gNB 102. For example, the controller / processor 378 can control the reception of forward channel signals and the transmission of reverse channel signals through the RF transceivers 372a - 372n, the RX processing circuitry 376, and the TX processing circuitry 374 according to well-known principles. The controller / processor 378 can also support additional functions, such as more advanced wireless communication functions. For example, the controller / processor 378 can perform a BIS process, such as through a blind interference sensing (BIS) algorithm, and decode the received signal with the interference signal subtracted. The controller / processor 378 can support any one of a variety of other functions in the gNB 102. In some embodiments, the controller / processor 378 includes at least one microprocessor or microcontroller.

[0170] The controller / processor 378 is also capable of executing programs and other processes residing in the memory 380, such as a basic OS. The controller / processor 378 is also capable of supporting channel quality measurement and reporting for a system having a 2D antenna array as described in embodiments of the present disclosure. In some embodiments, the controller / processor 378 supports communication between entities such as web RTC. The controller / processor 378 can move data into or out of the memory 380 as needed for the execution of processes.

[0171] The controller / processor 378 is also coupled to a backhaul or network interface 382. The backhaul or network interface 382 allows the gNB 102 to communicate with other devices or systems via a backhaul connection or via a network. The backhaul or network interface 382 can support communication via any suitable wired or wireless connection. For example, when the gNB 102 is implemented as part of a cellular communication system (such as a cellular communication system supporting 5G or new radio access technology or NR, LTE or LTE-A), the backhaul or network interface 382 can allow the gNB 102 to communicate with other gNBs via a wired or wireless backhaul connection. When the gNB 102 is implemented as an access point, the backhaul or network interface 382 can allow the gNB 102 to communicate with a larger network (such as the Internet) via a wired or wireless local area network or via a wired or wireless connection. The backhaul or network interface 382 includes any suitable structure that supports communication via a wired or wireless connection, such as an Ethernet or RF transceiver.

[0172] The memory 380 is coupled to the controller / processor 378. A portion of the memory 380 can include RAM, while another portion of the memory 380 can include flash memory or other ROM. In certain embodiments, multiple instructions, such as BIS algorithms, are stored in the memory. The multiple instructions are configured such that the controller / processor 378 executes a BIS process and decodes a received signal after subtracting at least one interference signal determined by the BIS algorithm.

[0173] As described in more detail below, the transmit and receive paths of the gNB 102 (implemented using the RF transceivers 372a - 372n, the TX processing circuitry 374, and / or the RX processing circuitry 376) support communication aggregated with FDD cells and TDD cells.

[0174] Although Figure 3B an example of the gNB 102 is shown, various changes can be made to Figure 3B it. For example, the gNB 102 can include any number of Figure 3AEach component shown in [description]. As a specific example, an access point can include a number of backhaul or network interfaces 382, and a controller / processor 378 can support routing functions to route data between different network addresses. As another specific example, although shown as including a single instance of TX processing circuitry 374 and a single instance of RX processing circuitry 376, gNB 102 can include multiple instances of each (such as one for each RF transceiver).

[0175] The time domain unit (also referred to as the time unit) in this application can be: an OFDM symbol, a group of OFDM symbols (composed of multiple OFDM symbols), a time slot, a group of time slots (composed of multiple time slots), a subframe, a group of subframes (composed of multiple subframes), a system frame, a group of system frames (composed of multiple system frames); it can also be an absolute time unit, such as 1 millisecond, 1 second, etc.; the time unit can also be a combination of multiple granularities, for example, N1 time slots plus N2 OFDM symbols.

[0176] The frequency domain unit (also referred to as the frequency unit) in this application can be: a subcarrier, a group of subcarriers (composed of multiple subcarriers), a resource block (RB), which can also be referred to as a physical resource block (PRB), a group of resource blocks (composed of multiple RBs), a bandwidth part (BWP), a group of bandwidth parts (composed of multiple BWPs), a frequency band / carrier, a group of frequency bands / carrier groups; it can also be an absolute frequency domain unit, such as 1 hertz, 1 kilohertz, etc.; the frequency domain unit can also be a combination of multiple granularities, for example, M1 PRBs plus M2 subcarriers.

[0177] The exemplary embodiments of the present disclosure will be further described below with reference to the accompanying drawings.

[0178] The text and the drawings are provided only as examples to assist the reader in understanding the present disclosure. They are not intended and should not be construed as limiting the scope of the present disclosure in any way. Although certain embodiments and examples have been provided, it will be apparent to those skilled in the art based on the content disclosed herein that the illustrated embodiments and examples can be changed without departing from the scope of the present disclosure.

[0179] The transmission link of the wireless communication system of the present disclosure mainly includes: a downlink communication link from a 5G New Radio (NR) gNB to a User Equipment (UE), an uplink communication link from the UE to the network, and a sidelink communication link from the UE to the UE.

[0180] In a wireless communication system, such as the current wireless communication system, in order to reduce the energy consumption at the terminal side, a Discontinuous Reception (DRX) mechanism is introduced, enabling the UE to be in a sleep state for most of the time and only being periodically awakened to monitor the Paging Occasion (PO). Within a DRX cycle, the UE wakes up only during the DRX ON duration to monitor the PO. After detecting a PDCCH scrambled with a P-RNTI, the UE continues to read the paging message for the paged terminal identifier. If the read terminal identifier matches its own, the UE further reads the paging message; otherwise, it discards the paging message. During the above process, to further reduce the UE's energy consumption, a Paging Early Indication (PEI) signal is introduced to indicate whether the UE needs to monitor the corresponding PO. If the system information provides the PEI configuration, the UE monitors the PEI occasion once within each DRX cycle. If the UE detects the PEI indication and the PEI indicates that it should monitor the associated PO, the UE should wake up to monitor the PO during the next PO; otherwise, the UE does not need to wake up to monitor the PO.

[0181] In the RRC CONNECTED state, each DRX cycle includes an Active Time and a Non-active Time. During the Active Time, the UE needs to monitor the PDCCH, and during the Non-active Time, the UE does not need to monitor the PDCCH. The UE starts the drx-onDurationTimer (DRX duration timer) at the start of each DRX cycle to begin monitoring the PDCCH. If the UE detects Downlink Control Information (DCI) scheduling a new data transmission, then the UE starts the drx-inactivityTimer (DRX inactivity timer). During the DRX Active Time, the base station can instruct the UE to enter the DRX Non-active Time in advance via signaling, or when all of the UE's DRX timers stop running, the UE can enter the DRX Non-active Time. To further reduce the UE's energy consumption, a DCI with CRC scrambled by a PowerSaving-Radio Network Temporary Indentifier (PS_RNTI) (DCI with CRC scrambled by PS_RNTI, DCP) signal is introduced. When the 1-bit wake-up indication is 1, the drx-onDurationTimer is started at the start of the next DRX or long DRX cycle.

[0182] In some use cases with more stringent low power consumption requirements for UEs (such as Internet of Things devices and / or wearable devices), in order to further extend the battery life of UEs, a wireless communication system may use a Low Power Wake Up Signal (LPWUS) to wake up the UE to perform signal and / or channel reception. Therefore, a method for listening for LPWUS needs to be designed. Optionally, a low power synchronization signal may be configured for downlink synchronization of LPWUS signals and / or RRM (Radio Resource Management) measurements.

[0183] In the present disclosure, a method for configuring and listening for a low power wake up signal and a corresponding device will be introduced.

[0184] Figure 4 An exemplary operation method according to some embodiments of the present disclosure is shown. In one embodiment of the present disclosure, it will be combined with Figure 4 introduce the process of determining the configuration information of LPWUS and activating or deactivating the listening for LPWUS, and determining the configuration information and application conditions of the low power synchronization signal. In the embodiments of the present disclosure, for the low power wake up signal and the low power synchronization signal, LPWUS and LP-SS are used for exemplary introduction respectively, and the methods introduced can also be used for the configuration and transmission of other signals. For the convenience of description, in the following description, the first signal will be used to describe the low power signal for waking up the UE, such as the low power wake up signal, and the second signal will be used to describe the low power signal for synchronization and / or RRM measurement, such as the low power synchronization signal. Moreover, for the convenience of description, "low power" and "low power consumption" are not distinguished, that is to say, "low power" and "low power consumption" can express the same or similar meanings in the following description.

[0185] In some embodiments, the receiver of the UE includes two modules. One is the Main Radio (MR) for receiving conventional signals / channels sent by the base station, and the other is the Lower Power Wake Up Receiver (LPWUR) for receiving the first signal and / or the second signal sent by the base station. Among them, the first signal is a wake up signal for waking up the MR of the UE to perform signal reception, such as LPWUS. The second signal is a synchronization signal received at the LPWUR, which can be used to provide synchronization information for the first signal and perform RRM measurements at the LPWUR.

[0186] In some embodiments, the second signal includes at least one of the following: a low-power synchronization signal LP-SS (Lower Power synchronization signal) for synchronization, SSB, PSS, SSS, PBCH DMRS, TRS, etc.

[0187] In some embodiments, when the MR is in the sleep period, the LPWUR can monitor the first signal with extremely low power. Once the UE detects the first signal, the LPWUR can trigger the MR to transition from the dormant period to the active period, so that specific operations can be performed. The dedicated module is used to receive the first signal because the first signal is a waveform obtained by further performing amplitude shift keying (ASK) modulation and / or frequency shift keying (FSK) modulation in the time domain based on the existing NR system based on the orthogonal frequency division multiplexing (OFDM) waveform, where on-off keying (OOK) modulation is a special case of amplitude shift keying (ASK) modulation.

[0188] According to one aspect of the present disclosure, the manner and content of carrying information bits by the first signal and / or the second signal will be described below.

[0189] In some embodiments, when the UE receives the first signal, the UE can receive the first sequence of the first signal (e.g., a time-domain sequence), and obtain the generation sequence of the first signal according to the received first sequence. For example, the generation sequence of the first signal is a sequence among a plurality of predefined or preconfigured sequences. By performing correlation detection between the first sequence of the received first signal and the sequences among the plurality of predefined or preconfigured sequences, the generation sequence of the first signal can be obtained. The first sequence of the first signal is used to carry the payload, and the generation sequence and the first sequence of the first signal constitute the first signal. Similarly, the generation sequence of the second signal can be obtained according to the second sequence of the received second signal. The second sequence of the second signal is used to carry the payload of the second signal, and the generation sequence and the second sequence of the second signal constitute the second signal.

[0190] In some embodiments, the generation sequence of the first signal and / or the second signal based on OFDM can be generated based on one or more predefined and / or preconfigured sequences, such as ZC sequences, M sequences, etc., or can also be implemented by the base station. When the generation sequence is generated using predefined and / or preconfigured sequences, the coverage range of the first signal and / or the second signal and the detection performance of the UE for the first signal and / or the second signal will be better. In some embodiments, the second signal can be a single signal. Or, in some embodiments, the second signal can be a signal burst set, for example, a burst set including multiple second signals.

[0191] In some embodiments, the generation sequences of the first signal and / or the second signal are mapped to OFDM symbols for the transmission of the first signal and / or the second signal. The method for generating the generation sequences of the first signal and / or the second signal may include a combination of one or more of the following:

[0192] o The generation sequence may implicitly (or indicate, in this disclosure, "implicitly" means "indicate", "implicitly indicate" or "implicitly include", etc., the same hereinafter) all or part of the cell ID, and reduce the mutual interference of the first signal or the second signal between cells, and / or the mutual interference of the second signal between cells through code division multiplexing, so that the inter-cell interference is randomized. For example, the all or part of the cell ID refers to all or part of a cell ID. In addition, in some alternative embodiments, the all or part of the cell ID may refer to all or part of the information included in at least one cell ID.

[0193] ○ The method for implicitly including all or part of the cell ID may include a combination of one or more of the following:

[0194] ■ Optionally, if the payload bits of the second signal only carry part of the cell ID, the remaining high-order bits or low-order bits of part of the cell ID or all of the cell ID may be carried in an implicit manner by the generation sequence.

[0195] ■ Optionally, if the payload bits of the second signal only carry part of the cell ID, the cell ID implicitly included by the PSS may be implicitly included by the generation sequence of the second signal, and the cell ID implicitly included by the SSS may be carried by the payload bits of the second signal.

[0196] ■ Optionally, when the payload bits of the second signal carry all of the cell ID, the cell ID implicitly included by the PSS or the high-order bits or low-order bits of part of the cell ID may also be implicitly included by the generation sequence of the second signal. This operation is mainly to randomize the inter-cell interference, or enable the UE that can decode the generation sequence to obtain the information bits faster.

[0197] ○ The generation sequence of the second signal may implicitly include the index number of the second signal in the second signal burst set, for determining the index of the second signal received by the UE in a second signal burst set;

[0198] ○ The generation sequence of the first signal may implicitly include all UE IDs and / or UE group IDs and / or UE subgroup IDs;

[0199] ○ The generation sequence of the first signal may implicitly include part of the UE ID and / or UE group ID and / or UE subgroup ID. This operation is applicable when the length of the UE ID and / or UE group ID and / or UE subgroup ID exceeds the payload bit length carried by the first signal, or is designed to enable the UE that can decode the generation sequence to obtain information bits faster.

[0200] ○ The method for the generation sequence to implicitly include all and / or the implicit part of the UE ID and / or UE group ID and / or UE subgroup ID may include one or more combinations of the following:

[0201] ■ The generation sequence may implicitly include the upper V bits or lower V bits of the UE ID and / or UE group ID and / or UE subgroup ID that exceed the payload bit length carried by the first signal by generating multiple sequences. Here, V is a predefined or preconfigured value, and V is a positive integer.

[0202] ■ The generation sequence may implicitly include the number of IDs obtained by taking the remainder of the total number X of the UE ID and / or UE group ID and / or UE subgroup ID with respect to the payload bit length L carried by the first signal by generating multiple sequences. When the UE obtains ID1 carried by the generation sequence and combines it with the obtained payload bit ID2, the UE can calculate the ID value corresponding to the UE ID and / or UE group ID and / or UE subgroup ID through the following formula:

[0203] ID = (X % L) * ID2 + ID1

[0204] ○ The generation sequence of the first signal may implicitly include all or part of the index of the paging occasion (PO). If the first signal can be associated with multiple POs, the first signal may implicitly include the index of the corresponding PO. The method for implicitly including all or part of the PO index may include one or more combinations of the following:

[0205] ■ If the first signal can be associated with Q POs, the generation sequence may carry m-bit indication information for indicating the corresponding 2 m PO indices, where Q and m may be predefined or preconfigured positive integers and satisfy 2 m is greater than or equal to Q. For example, if the first signal can be associated with 8 POs, the generation sequence may carry 3-bit indication information for indicating the corresponding PO indices. For example, 000 indicates the first PO, 001 indicates the second PO, and so on;

[0206] ■ If the first signal can be associated with L sub - frames and / or Q POs, the generated sequence may carry the radio - frame (or paging - frame) index of the PO and / or the PO index within the sub - frame to indicate the corresponding PO. For example, if the first signal can be associated with 8 POs, with every 4 POs configured in a radio - frame (or paging - frame), the generated sequence may carry 3 - bit indication information. The high - order 1 bit is used to indicate the radio - frame index, and the remaining 2 bits are used to indicate the PO index within the radio - frame. For example, 000 indicates the first PO in the first radio - frame, 100 indicates the first PO in the second radio - frame, and so on;

[0207] ○ The generated sequence may be the same as the sequence for generating the primary synchronization signal PSS or the secondary synchronization signal SSS. Since the first signal and / or the second signal is triggered to be received after the UE accesses the network, that is, the UE knows the PSS or SSS sequence when receiving the first signal and / or the second signal, therefore, this method does not require an additional configuration of a new OFDM sequence for the detection of the first signal and / or the second signal.

[0208] In some embodiments, the first signal and / or the second signal can be further modulated in the time domain by OOK modulation to generate a modulated sequence, and the UE receives the modulated sequence by means of energy detection to reduce the detection complexity at the receiving end and reduce power consumption. The time - domain sequence of the OOK modulation can be a predefined or pre - configured sequence, that is, the length of the payload bits carried by the first signal and / or the second signal can be fixed, or the sequence can be configured by the SIB (system information block) in the RRC INACTIVE (Radio Resource Control (RRC) Inactive) state, or the sequence can be configured by RRC signaling in the RRC CONNECTED (RRC Connected) state. Among them, the payload bits carried by the first signal include one or more of the following combinations:

[0209] ○ The payload bits carried by the first signal can be used to indicate the UE ID and / or the UE group ID; optionally, if the length of the UE ID and / or the UE group ID exceeds the length of the payload bits carried by the first signal, part of the UE ID and / or the UE group ID can be implied by the generated sequence of the first signal;

[0210] ○ The payload bits carried by the first signal can be used to indicate all or part of the UE subgroup ID. Optionally, if the UE group ID can be carried in other ways, such as implicitly using a generated sequence, the payload bits carried by the first signal can be used to indicate the UE subgroup ID. Optionally, if the UE group ID can be carried in other ways, such as implicitly using a generated sequence, the payload bits carried by the first signal can be used to indicate all or part of the UE subgroup ID, and the part of the UE subgroup ID can be the high-order bits or low-order bits of the UE subgroup ID.

[0211] ○ The payload bits carried by the first signal can be used to indicate whether the first number of UE groups or UE subgroups need to wake up to monitor the PDCCH, where the first number is equal to the number of paging occasions POs associated with the first signal multiplied by the number of UE groups or UE subgroups corresponding to each PO. If the number of UE subgroups in the PO is configured and / or the number of UE subgroups associated with the PO is not zero, each of the payload bits indicates whether a UE subgroup associated with a PO needs to wake up to monitor the PDCCH. Otherwise, each of the payload bits indicates whether a UE group associated with a PO needs to wake up to receive the downlink signal and / or channel.

[0212] ○ The payload bits carried by the first signal can be used to indicate the number of paging occasions POs associated with the first signal, which is used to indicate the number of consecutive POs that the UE needs to monitor when receiving the first signal.

[0213] ○ The payload bits carried by the first signal can be used to indicate the time-domain resources of the acknowledgment signal corresponding to the first signal. After the UE receives the first signal, it is indicated to turn on the main receiving module and / or perform the monitoring of the PDCCH. After the main receiving module of the UE is turned on, an acknowledgment signal is sent to align the understanding of the current state between the UE and the base station. The way to indicate the time-domain resources of the acknowledgment signal can be indicated by the index of a pre-configured association relationship, and this index can be used to indicate at least one of the following:

[0214] ■ The offset from the start or end time slot of receiving the first signal to sending the acknowledgment signal, and the offset is in the granularity of time slots

[0215] ■ The starting symbol index of the acknowledgment signal within a time slot

[0216] ■ The symbol length of the acknowledgment signal in the time domain

[0217] For example, index 1 represents an offset of 2 time slots, the starting symbol index is the 2nd OFDM symbol, and the symbol length is 1 OFDM symbol;

[0218] ○ The payload bits carried by the first signal can be used to indicate the frequency-domain resources of the acknowledgment signal corresponding to the first signal, and can include at least one of the following:

[0219] ■ Index indicating the end resource block starting from a predefined or preconfigured starting point (such as pointA), with the maximum value being the index value of the resource block of the UL BWP.

[0220] ■ Starting resource block index

[0221] ■ Number of consecutive resource blocks, which is used to represent the length occupied by the acknowledgment signal in the frequency domain.

[0222] In some embodiments, the payload bits carried by the second signal can include a combination of one or more of the following:

[0223] ○ All or part of the cell ID. Considering that the second signal is mainly used for downlink synchronization and RRM measurement, carrying the cell ID can reduce the inter-cell interference of the second signal. Additionally, when the UE supports using LP-SS to perform RRM measurement of adjacent cells, carrying the cell ID can distinguish the second signals of different cells.

[0224] ○ Second signal index of the serving cell and / or non-serving cell. When performing beam scanning based on the second signal, through the carried second signal index, the UE can identify the second signal index of the currently received second signal within a second signal burst set, so that the base station and the UE have the same understanding.

[0225] Further, embodiments of the present disclosure also design the configuration method and application conditions of the low-power synchronization signal. Since the second signal is received by the LPWUR after the UE accesses the network, the relevant parameters of the second signal can be configured through SIB messages in the RRC INACTIVE state and / or using RRC messages in the RRC CONNECTED state.

[0226] In some embodiments, the relevant parameters of the second signal can include a combination of one or more of the following:

[0227] ○ Frequency-domain position for transmitting the second signal. Optionally, the frequency-domain position for transmitting the second signal is the same as the frequency-domain position for transmitting the first signal. For example, the frequency-domain position for transmitting the second signal can be calculated through the frequency-domain position of the SSB and a predefined or preconfigured frequency-domain offset. After the UE determines the position of the SSB on the synchronization grid, the frequency deviation K between the 0th subcarrier of the 0th RB of the SSB indicated in the MIB and the 0th subcarrier of the lowest RB in the RB overlapping with the SSB in the BWP. SSBDetermine the starting position of the SSB on the channel raster. Starting from the starting position of the SSB on the channel raster, add a pre-configured or pre-defined offset to obtain the frequency-domain position of the second signal. The pre-configured or pre-defined offset can be positive or negative; alternatively, calculate the position of point A starting from the starting position of the SSB on the channel raster, and calculate the frequency-domain position of the transmitted second signal through point A and a pre-configured or pre-defined offset. Optionally, the offset is an integer multiple of the PRB.

[0228] ○ The frequency-domain length occupied by the second signal. Optionally, the frequency-domain resources for transmitting the second signal are N consecutive PRBs, where N can be a positive integer.

[0229] ○ The frequency-domain position of the second signal can be the frequency-domain starting position of the second signal, or the frequency-domain center position of the second signal, or the frequency-domain ending position of the second signal.

[0230] o The subcarrier spacing of the second signal. Optionally, the subcarrier spacing of the second signal is the same as that of the first signal, or can be the same as the subcarrier spacing of the first downlink signal / channel.

[0231] Wherein: the first downlink signal / channel may include a combination of one or more of the following:

[0232] Optionally, the first downlink signal / channel can be the physical downlink control channel PDCCH and / or

[0233] or the physical downlink shared channel PDSCH. In some embodiments, the physical downlink control channel PDCCH can be a specific PDCCH (and / or repeated transmission of the PDCCH), and the physical downlink shared channel PDSCH can be a specific PDSCH (and / or repeated transmission of the PDSCH). In some embodiments, the PDCCH and / or PDSCH can be message 2 (msg2) and / or message B (msgB) in the random access procedure (RA procedure), message 2 (msg2)

[0234] PDCCH / PDSCH of and / or message B (msgB) (and / or repeated transmission of PDCCH / PDSCH). For another example, the PDCCH and / or PDSCH may be a PDSCH (and / or repeated transmission of PDSCH) with high priority (HP) or low priority (LP). For yet another example, the PDCCH and / or PDSCH may be the search space of the PDCCH and / or PDSCH (and / or repeated transmission of PDCCH / PDSCH) of control resource set 0 (CORESET0) of message 3 (msg3). For yet another example, the PDCCH and / or PDSCH may be the search space of the downlink physical downlink control channel (DL PDCCH) (and / or repeated transmission of DL PDCCH) of message 4 (msg4); in some implementations, the PDCCH and / or PDSCH may also be referred to as PDCCH / PDSCH related to the random access procedure; in some implementations, the PDSCH may also be a PDSCH scheduled by MAC CE; in some implementations, the PDCCH and / or PDSCH may also be the physical downlink control channel (PDCCH) and / or physical downlink shared channel (PDSCH) for scheduling and / or transmitting the system information block (SIB), the PDCCH and / or PDSCH for scheduling and / or transmitting control resource set 0 (CORESET0); in some implementations, the PDCCH and / or PDSCH may also be the PDCCH and / or PDSCH for scheduling and / or transmitting the downlink small data transmission (DL SDT) signal; in some implementations, optionally, the PDCCH and / or PDSCH may be paging downlink control information (paging DCI), paging PDSCH, and / or paging PDCCH in the idle state and / or inactive state.

[0235] Optionally, the first downlink signal / channel may be a synchronization signal block (SSB) (including but not limited to cell-defined SSB (CD-SSB) and / or non-cell-defined SSB (NCD-SSB), etc.) and / or a channel state information reference signal (CSI-RS).

[0236] o The second signal index of the serving cell and / or non-serving cell. The second signal block in the second signal burst set is identified according to the second signal index. For example, a second signal burst set may contain 4 or 8 second signals, that is, 2 bits or 3 bits may be used to indicate 4 or 8 second signal indexes in a second signal burst set.

[0237] o Transmission period of the second signal. If this field is missing, the UE applies the default value or preset value of the transmission period of the second signal, for example, 320 ms.

[0238] o Power control offset of the second signal. The power of the second signal (e.g., reference signal power) can be calculated from the transmission power of the SSB (such as ss-PBCH-BlockPower) and the power control offset. The power control offset provides the offset of the transmission power of the second signal relative to the transmission power of the SSB. If the power control offset is not provided, the UE assumes the offset is the default value or preset value, for example, 0 dB. Optionally, if the UE is configured to receive the second signal periodically, the power of the second signal (e.g., reference signal power) can be provided by the transmission power of the SSB or the power control offset. Optionally, the power control offset can be 3 dB or 6 dB.

[0239] o Starting point of the transmission of the second signal within each transmission period of the second signal, indicating the system frame number (SFN) offset of the time for transmitting the second signal relative to the starting point of the transmission period of the second signal. For example, a value of 0 indicates that the second signal is transmitted in the first system frame, a value of 1 indicates that the second signal is transmitted in the second system frame, etc.

[0240] o Index of the first symbol or time slot of the transmission of the second signal within each transmission period of the second signal. Optionally, Index 0 corresponds to the first time slot or the first symbol of the first time slot within the transmission period of the second signal. Optionally, the second signal can be configured across time slots.

[0241] o In the time domain, the UE assumes that the second signal starts from the index of the first symbol or time slot of the transmission of the second signal and transmits the second signal in the form of a second signal burst set. Optionally, the length of the second signal burst set can be obtained through configuration. If the length of the second signal burst set is not provided, the UE assumes that the length of the second signal burst set is X consecutive radio frames, where X is a preconfigured or predefined or default value. Optionally, within a second signal burst set, every two second signals can be consecutive in time domain resources, which helps the UE achieve fast synchronization and RRM measurement through the continuously transmitted second signals. Optionally, within a second signal burst set, every two second signals are non-consecutive in time domain resources, and the non-consecutive resources help the UE monitor the first downlink signal / channel and / or the first signal.

[0242] In one embodiment, the UE activates and / or deactivates the periodic or continuous monitoring of the first signal by receiving a third signal and / or by requesting the base station to send a third signal via a fourth signal, and / or activates and / or deactivates the RRM measurement of the UE based on the second signal, and / or deactivates and / or activates the RRM measurement of the UE based on the SSB. Optionally, the base station sends the first signal only after sending the third signal, and the UE expects to monitor the first signal and / or perform RRM measurement based on the second signal only after receiving the third signal.

[0243] Optionally, the third signal includes a combination of one or more of the following:

[0244] o DCI message. The DCI information can be used to indicate the activation and / or deactivation of the periodic or continuous monitoring of the first signal, and / or the activation and / or deactivation of the RRM measurement of the UE based on the second signal, and / or the deactivation and / or activation of the RRM measurement of the UE based on the SSB. Optionally, 1-bit information can be used to indicate the activation or deactivation. When the 1-bit indication information indicates '1' or '0', the receiving module of the low-power wake-up signal is activated, and / or it is indicated that the UE performs periodic monitoring based on the first signal at the start of the next first signal period or continuous monitoring of the first signal after a predefined and / or preconfigured time offset, and / or it is indicated that the UE performs RRM measurement based on the second signal, and / or it is indicated that the UE no longer monitors the monitoring occasion starting from the next PDCCH search space or the DCI monitoring occasion scrambled by PS_RNTI, and / or it is indicated that the UE no longer performs RRM measurement based on the SSB; in some embodiments, the CRC of a new DCI message scrambled by an RNTI for enabling the first signal can transmit at least one of the following information: 1-bit DCI format identification information for indicating the DCI format, HARQ feedback time indication for indicating the time from when the UE receives the third signal to the PDCCH of the acknowledgment signal ACK, BWP indication for indicating the BWP, time-domain resource allocation of the acknowledgment signal, frequency-domain resource allocation of the acknowledgment signal. The time-domain resource allocation of the acknowledgment signal can be determined by indicating a preconfigured starting point and the number of continuous symbols of the acknowledgment signal in the time slot through the carried information bits. The frequency-domain resource allocation of the acknowledgment signal can be indicated by the corresponding bits, starting from a predefined or preconfigured starting point to indicate the index of the ending resource block, where the maximum value is the index value of the resource block of the UL BWP; and / or the frequency domain of the acknowledgment signal is indicated by the starting resource block and the number of consecutive resource blocks. The value of the PDCCH to HARQ feedback time indication can be the time slot q of receiving the DCI multiplied by rounded down plus a predefined and / or preconfigured value; where u pucc represents the SCS configuration adopted by the acknowledgment signal, u pdccIndicates the SCS configuration adopted by the DCI message, as Figure 5 shown. Optionally, the DCI message notifies energy-saving information for one or a group of UEs within the DRX activation time or when no DRX cycle is configured;

[0245] o MAC CE message. When the field for indicating activation or deactivation in the MAC CE message indicates '1' or '0', activate the receiving module of the low-power wake-up signal, and / or indicate that the UE performs periodic listening or continuous listening based on the first signal, and / or indicate that the UE performs RRM measurement based on the second signal, and / or indicate that the UE does not listen to the PDCCH search space or the DCI with CRC scrambled by PS_RNTI, and / or indicate that the UE does not listen to the paging occasion or the early paging indication, and / or indicate that the UE no longer performs RRM measurement based on the SSB.

[0246] In some embodiments, the MAC CE message further includes a BWP ID, which is used to indicate the DL BWP to which the MAC CE applies, and the length of the BWP ID field is 2 bits (bit);

[0247] In some embodiments, the MAC CE message further includes a UE ID or a UE group ID, which is used to indicate the UE or UE group to which the MAC CE message applies, and indicates that one UE or a group of UEs perform the activation or deactivation operation.

[0248] In some embodiments, the fourth signal includes a combination of one or more of the following:

[0249] o UCI signal.

[0250] o UL MAC CE signal.

[0251] o Auxiliary information. Optionally, the auxiliary information may be a periodic auxiliary information. It may include at least one of the following: RSRP and / or RSRQ of the SSB, index of the SSB, DL BWP ID where the SSB is located, association relationship between the SSB and the TRP, absolute value of the change or difference of RSRP and / or RSRQ of the SSB within a predefined and / or preconfigured time.

[0252] In some embodiments, the fields carried by the fourth signal may be the same as the fields carried by the third signal. When the fourth signal is a UL MAC CE signal, it does not carry BWP ID information.

[0253] In some embodiments, when the UE receives the third signal sent by the base station, or if the UE determines that the received third signal instructs the corresponding UE or UE group to perform the activation or deactivation operation of the LPWUS listening duration, before receiving the first signal and / or before determining that the first signal instructs to wake up the main radio communication module of the UE and / or instructs the UE to listen to the PDCCH search space set or the DCI with the CRC scrambled by the PS_RNTI, and / or before the first signal instructs the UE to listen to the paging occasion or the early paging indication, the behavior of the UE includes one or more combinations of the following:

[0254] o The UE turns on the receiving module for the low-power wake-up signal;

[0255] o The UE periodically listens to the first signal listening occasion or listens to each configured first signal listening occasion;

[0256] o The UE performs RRM measurements based on the second signal

[0257] o The main radio communication module of the UE enters the sleep state

[0258] o The UE sends a confirmation signal. Optionally, within a predefined and / or preconfigured time unit (e.g., the time unit can be a time slot, a symbol, etc.) after the UE receives the third signal sent by the base station, and / or before the main radio communication module enters the sleep state, the UE sends a confirmation signal to feedback to the network that the UE has activated the receiving module for the low-power wake-up signal, and / or deactivated the main radio communication module, and / or the UE no longer listens to the PDCCH search space or the DCI with the CRC scrambled by the PS_RNTI, and / or the UE no longer listens to the paging occasion or the early paging indication, and / or the UE no longer performs RRM measurements based on the SSB. If the UE does not send the confirmation signal within the predefined or preconfigured time unit or the network does not receive the confirmation signal sent by the UE, the base station re-sends the third signal. Optionally, the confirmation signal can be a 1-bit signal. Optionally, the confirmation signal can be an ACK signal. Optionally, when the third signal is DCI information, the DCI signal is not used for data scheduling, and the confirmation signal is the ACK signal of the DCI signal;

[0259] o If the UE receives the third signal, the UE applies the activation command after the first time slot after the time slot where k is the time slot in which the UE transmits the confirmation information, is the number of time slots in a subframe when the subcarrier spacing SCS is configured as u, u is the SCS configuration of the acknowledgment signal, w can be w = 0, or w can be the number of time slots when the SCS is configured as 0 and / or provided by a higher layer parameter, if the higher layer parameter is not provided, then w = 0, r is the handover time of the BWP, optionally, r = 0;

[0260] o The UE does not expect to monitor the PDCCH search space set and / or the paging occasion. Optionally, after the UE receives the third signal sent by the base station, the UE does not expect or no longer monitors the monitoring occasion starting from the next PDCCH search space set and / or paging occasion;

[0261] o In the RRC CONNECTED state, the UE does not expect to monitor the DCI with the CRC scrambled by the PS_RNTI, such as DCI format 2_6. Optionally, after the UE receives the third signal sent by the base station, the UE does not expect or no longer monitors the monitoring occasion starting from the next monitoring occasion of the DCI with the CRC scrambled by the PS_RNTI;

[0262] o In the RRC INACTIVE state, the UE does not expect to monitor the paging early indication, such as DCI format 2_7. Optionally, after the UE receives the third signal sent by the base station, the UE does not expect to monitor the monitoring occasion starting from the next PEI monitoring occasion.

[0263] In some embodiments, after the UE receives the first signal sent by the base station, the behavior of the UE includes one or more of the following combinations:

[0264] o The UE turns on the main radio communication module

[0265] o In the RRC CONNECTED state, the UE monitors the PDCCH search space or the DCI with the CRC scrambled by the PS_RNTI after a predefined and / or preconfigured time unit

[0266] o In the RRC INACTIVE state, the UE monitors the paging early indication or the paging occasion after a predefined and / or preconfigured time unit. Optionally, the paging occasion may have a definite association relationship with the first signal, and the definite association relationship may be indicated by the information carried by the first signal or may be a fixed association relationship;

[0267] o The UE performs RRM measurements based on the SSB after a predefined and / or preconfigured time unit

[0268] o The UE turns off the receiving module of the low-power wake-up signal

[0269] o The UE does not expect to monitor the monitoring occasion starting from the next first signal monitoring occasion

[0270] o The UE does not need to perform RRM measurements based on the second signal

[0271] o When the UE monitors the PDCCH search space set and / or the paging occasion, the UE does not monitor the first signal;

[0272] o When the UE monitors the monitoring occasion of the DCI scrambled by the PS_RNTI and / or the PEI occasion, the UE does not monitor the first signal;

[0273] o Within a pre-defined and / or pre-configured time unit after the UE receives the first signal sent by the base station, the UE sends a confirmation signal to feedback to the network indicating that the UE has activated the main radio communication module, and / or deactivated the receiving module of the low-power wake-up signal, and / or the UE starts to perform the monitoring of the PDCCH search space or the DCI scrambled by the PS_RNTI, and / or the UE performs the paging occasion or the early paging indication monitoring, and / or the UE performs RRM measurements based on the SSB, and / or deactivates the first signal monitoring occasion, and / or deactivates the RRM measurements based on the second signal. If within the pre-defined or pre-configured time unit, the UE does not send the confirmation signal or the network does not receive the confirmation signal sent by the UE, the base station re-sends the first signal. The pre-defined and / or pre-configured time unit includes the warm-up time of the main radio communication module from the ultra-deep sleep state to the wake-up state, and the warm-up time can be, for example, 400 ms or 800 ms; optionally, the confirmation signal can be a 1-bit signal. Optionally, the confirmation signal can be an ACK signal.

[0274] o If the UE receives the first signal, as Figure 5 shown, the UE starts to monitor the PDCCH search space in the first time slot after the time slot where t is the time slot in which the UE transmits the confirmation information, is the number of time slots in a subframe when the subcarrier spacing SCS is configured as u, u is the SCS configuration of the confirmation signal, w can be w = 0, or w can be the number of time slots when the SCS is configured as 0 and / or provided by a higher layer parameter. If the higher layer parameter is not provided, then w = 0; r is the switching time of the BWP, and optionally, r = 0;

[0275] In some embodiments, the monitoring of the PDCCH search space can be periodic monitoring according to the PDCCH search space set, and / or monitoring within the duration of DRX on;

[0276] In one embodiment, the UE activates the periodic or continuous listening of the first signal based on a first condition, and / or instructs the UE to perform RRM measurements based on the second signal during the activated duration. When the first condition is not satisfied, the UE deactivates or does not perform the listening of the first signal, and / or the UE performs RRM measurements based on the SSB. The first condition may include one or a combination of the following:

[0277] o When the absolute value of the change or difference in the RSRP and / or RSRQ of the SSB is less than and / or equal to a predefined or preconfigured threshold within a predefined and / or preconfigured time period, it indicates that the UE is stationary or in a low-speed moving state, and the RRM measurements based on the second signal can meet the requirements;

[0278] o When the RSRP and / or RSRQ of the SSB is greater than and / or equal to a predefined or preconfigured threshold within a predefined and / or preconfigured time period, it indicates that the UE is within a certain coverage area, and within this coverage area, the UE can perform RRM measurements based on the second signal;

[0279] o If the UE detects one or more DCI formats in the PDCCH monitoring occasion, the UE starts a predefined or preconfigured timer (such as timer), and the UE decrements the value of the timer according to the time unit. If one or more DCI formats are detected again before the timer decrements to 0, the UE resets the timer. When the timer decrements to 0, the periodic or continuous listening of the first signal is activated, and / or the UE is instructed to perform RRM measurements based on the second signal during the activated duration. This is because the current information traffic is relatively sparse, and it is more suitable to use the first signal to monitor whether there is data scheduling;

[0280] o The UE indicates the ability to receive and decode the first signal, and / or indicates the ability to perform RRM measurements based on the second signal;

[0281] o When the UE is configured with the first signal and / or the second signal through higher-layer parameters, the higher-layer parameters may be RRC parameters;

[0282] o After the UE receives the third signal.

[0283] The activation or deactivation process of the operations related to the first signal or the second signal of the UE when the UE is in the RRC inactive state or the RRC idle state will be described below.

[0284] In another embodiment, in the RRC inactive / idle state, the first signal and / or the second signal can be configured by the SIB. When the UE is configured with the first signal and / or the second signal, if the RRC connection is released, after the UE receives the third signal for activating the first signal listening process, and / or when the first condition is met, the behavior of the UE can include one or more of the following combinations:

[0285] o The UE turns on the receiving module for the low-power wake-up signal;

[0286] o The UE periodically listens to the first signal listening opportunity or listens to each configured first signal listening opportunity until the first signal is received;

[0287] o The UE performs RRM measurements based on the second signal

[0288] o The main radio communication module of the UE enters the sleep state

[0289] o The UE does not expect to listen to the paging opportunity. Optionally, before receiving the first signal, the UE does not expect to listen to one or more paging opportunities;

[0290] o The UE does not expect to listen to the paging early indication, i.e., DCI format 2_7. Optionally, before receiving the first signal, the UE does not expect to listen to one or more PEI opportunities;

[0291] In some embodiments, in the RRC INACTIVE state, when the UE receives the first signal sent by the base station, the behavior of the UE can include one or more of the following combinations:

[0292] o The UE turns on the main radio communication module

[0293] o The UE listens to the paging early indication or the paging opportunity after a predefined and / or preconfigured time unit. In some embodiments, the paging opportunity can have a definite association relationship with the first signal, and the definite association relationship can be indicated by the information carried by the first signal or can be a fixed association relationship; in some embodiments, if the UE receives only a change in system information, the UE turns on the receiving module for the low-power wake-up signal, and / or periodically listens to the first signal listening opportunity or listens to each configured first signal listening opportunity, and / or performs RRM measurements based on the second signal when the first condition is met, within a predefined and / or preconfigured time after receiving the change in system information or before the next PO; this indicates that the UE can perform SSB-based RRM measurements while listening to the first signal. In some embodiments, if the UE receives only a change in system information, the UE, within a predefined and /

[0294] Within a predefined and / or preconfigured time period and / or before the next PO, the UE activates the receiving module for the low-power wake-up signal, and / or the UE periodically monitors the first signal monitoring occasion or each configured first signal monitoring occasion, and / or performs RRM measurements based on the second signal, and / or determines whether the first condition is met. If the first condition is met, the UE activates the receiving module for the low-power wake-up signal. At this time, it indicates that the UE can only perform the first signal monitoring and the RRM measurements based on the second signal simultaneously when the first condition is met.

[0295] The RRM measurements based on the second signal;

[0296] o The UE enters the RRC connected state after a predefined and / or preconfigured time unit;

[0297] o The UE performs RRM measurements based on the SSB after a predefined and / or preconfigured time unit;

[0298] o The UE turns off or deactivates the receiving module for the low-power wake-up signal;

[0299] o The UE does not need to perform RRM measurements based on the second signal

[0300] The operations related to the first signal and / or the second signal for the UE when the UE is in the RRC connected state will be described below.

[0301] In another embodiment, in the RRC connected state, the first signal can be configured by RRC. When the UE is configured with the first signal, the UE can activate and / or deactivate the periodic monitoring or continuous monitoring of the first signal by receiving the third signal, or perform periodic monitoring or continuous monitoring of the first signal. When the UE performs the periodic monitoring, the UE monitors the first signal at the first signal monitoring occasion. The monitoring position of the first signal monitoring occasion may include one or more of the following combinations:

[0302] o The start position or end position of each first signal monitoring occasion can be determined by the start time unit of the drx-onDurationTimer and a pre-configured or pre-defined offset. If the UE monitors the first signal within a first signal monitoring occasion, and / or the first signal instructs the UE to wake up and monitor the PDCCH within the next drx-onDurationTimer duration, the UE can start from the next drx-onDurationTimer and monitor the PDCCH within the durations of the drx-onDurationTimer in the subsequent N DRX cycles, and does not monitor the first signal monitoring occasions associated with the N drx-onDurationTimers. Wherein, N is a positive integer; this method is considered that the high-layer data packets can be packed into multiple physical layer transport blocks and sent to the UE in a concentrated manner. When the UE monitors a PDCCH, there may be multiple PDCCHs scheduling other transport blocks TBs subsequently. Not monitoring the first signal monitoring occasions associated with the N drx-onDurationTimers can reduce the power consumption of the UE. The example process is as Figure 6 shown;

[0303] o The start position or end position of each first signal monitoring occasion can be determined by the start time unit of the drx-onDurationTimer relative to the long drx and a pre-configured or pre-defined offset; if the UE monitors the first signal within a first signal monitoring occasion, and / or the first signal instructs the UE to wake up and monitor the PDCCH within the next drx-onDurationTimer duration of the long drx, the UE should start from the next drx-onDurationTimer of the long drx and monitor the PDCCH within the durations of the drx-onDurationTimer of the subsequent N long drxs, and does not monitor the first signal monitoring occasions associated with the N drx-onDurationTimers of the long drx;

[0304] In some embodiments, the N may be a parameter value pre-configured or pre-defined by the base station device and / or reported by the UE according to its own processing capabilities.

[0305] The method for the UE to report RRM measurements will be described below.

[0306] When performing RRM measurement reporting, the UE can indicate through indication information that the RRM measurement result is obtained based on SSB measurement or based on the second signal measurement. The indication information can be 1-bit indication information.

[0307] For example, when the indication information is '1', it indicates that the measurement result of RRM is obtained based on SSB measurement. When the indication information is '0', it indicates that the measurement result of RRM is obtained based on the second signal measurement. Another example, when the indication information is '1', it indicates that the measurement result of RRM is obtained based on SSB measurement. When the indication information is '0', it indicates that the measurement result of RRM is not obtained based on SSB measurement. Still another example, when the indication information is '1', it indicates that the measurement result of RRM is obtained based on the second signal measurement. When the indication information is '0', it indicates that the measurement result of RRM is not obtained based on the second signal measurement.

[0308] In one embodiment, if the UE meets the second condition, activate the periodic or continuous monitoring of the first signal, and / or the UE performs RRM measurement based on the second signal during the activated duration, and / or the UE performs relaxed RRM measurement based on the SSB of the serving cell and / or neighboring cells. If the second condition is not met, the UE deactivates or does not perform the monitoring of the first signal, and / or the UE performs RRM measurement based on the SSB. The second condition may include one or more of the following combinations:

[0309] o The absolute value of the change or difference of the RSRP of the serving cell SSB is less than and / or equal to a predefined or preconfigured threshold within a predefined and / or preconfigured time period, and / or the absolute value of the change or difference of the RSRQ is less than and / or equal to a predefined or preconfigured threshold; or if the absolute value of the change or difference of the cell Selection RX level value (Srxlev) calculated based on the RSRP of the serving cell SSB is less than and / or equal to a predefined or preconfigured threshold, and / or the absolute value of the change or difference of the cell Selection quality value (Squal) calculated based on the RSRQ is less than and / or equal to a predefined or preconfigured threshold. At this time, it indicates that the UE is stationary or in a low-speed moving state. The UE can perform RRM measurement based on the second signal, and the main receiver of the UE can perform relaxed RRM measurement based on the SSB of the serving cell and / or neighboring cells;

[0310] o When the RSRP of the SSB of the serving cell is greater than and / or equal to a predefined or preconfigured threshold, and / or the RSRQ is greater than and / or equal to a predefined or preconfigured threshold; or when the reference cell selection RX level value (Srxlev) calculated based on the RSRP of the SSB of the serving cell is greater than and / or equal to a predefined or preconfigured threshold, and / or the cell selection quality value (Squal) calculated based on the RSRQ is greater than and / or equal to a predefined or preconfigured threshold; at this time, it indicates that the UE is within a certain coverage range. Within this coverage range, the UE can perform RRM measurements based on the second signal, and the primary receiver of the UE can perform relaxed RRM measurements based on the SSB of the serving cell and / or neighboring cells;

[0311] o When the cell reselection principle is not satisfied. For example, if the RSRP measured based on the SSB of a neighboring cell is less than and / or not greater than a predefined or preconfigured threshold TH1 and / or the RSRQ measured based on the SSB of the neighboring cell is less than and / or not greater than a predefined or preconfigured threshold TH2, and / or if the reference cell selection RX level value (Srxlev) calculated based on the RSRP of the SSB of the neighboring cell is less than and / or not greater than a predefined or preconfigured threshold TH3 and / or the cell selection quality value (Squal) calculated based on the RSRQ is less than and / or not greater than a predefined or preconfigured threshold TH4. At this time, it is because if the measurement result of the neighboring cell is better than that of the serving cell, the UE should switch to the neighboring cell. Considering that the LR does not support neighboring cell measurement and at this time the UE should perform cell handover instead of listening to the wake-up signal of the serving cell, therefore, the UE should not enable or activate the periodic listening or continuous listening of the first signal;

[0312] o When the synchronization accuracy error determined based on the second signal is within the CP range, for example, when the synchronization accuracy determined based on the second signal meets the synchronization accuracy for the reception of the first signal; the synchronization accuracy can be the synchronization accuracy between the LR and the network;

[0313] o The preconfigured threshold can be configured by SIB1.

[0314] o The TH1, TH2, TH3, and TH4 are positive numbers greater than 0.

[0315] In one embodiment, when the UE satisfies the second condition and the third condition simultaneously, the UE may perform RRM measurements of the serving cell only based on the second signal, without performing RRM measurements of the serving cell based on the SSB of the serving cell, and / or without performing RRM measurements based on the SSB of neighboring cells. Such an operation is more applicable to UEs located at the cell center. The third condition may include one or more of the following combinations:

[0316] o When the RSRP based on the SSB of the serving cell is greater than and / or equal to a predefined or preconfigured threshold TH5, and / or the RSRQ is greater than and / or equal to a predefined or preconfigured threshold TH6, or when the reference cell selection RX level value (Srxlev) calculated based on the RSRP of the SSB of the serving cell is greater than and / or equal to a predefined or preconfigured threshold TH7, and / or the cell selection quality value (Squal) calculated based on the RSRQ is greater than and / or equal to a predefined or preconfigured threshold TH8; Optionally, the RSRP and / or RSRQ based on the SSB of the serving cell may be obtained through relaxed RRM measurements;

[0317] o When the RSRP based on the second signal is greater than and / or equal to a predefined or preconfigured threshold TH9, and / or the RSRQ is greater than and / or equal to a predefined or preconfigured threshold TH10, or when the reference cell selection RX level value (Srxlev) calculated based on the RSRP of the second signal is greater than and / or equal to a predefined or preconfigured threshold TH11, and / or the cell selection quality value (Squal) calculated based on the RSRQ is greater than and / or equal to a predefined or preconfigured threshold TH12;

[0318] o The preconfigured threshold may be configured by SIB1.

[0319] o TH5, TH6, TH7, TH8, TH9, TH10, TH11, and TH12 are positive numbers greater than 0.

[0320] o In one embodiment, if the UE meets the fourth condition, the UE stops listening for the first signal, and / or the UE no longer performs RRM measurements based on the second signal, and / or the UE performs relaxed RRM measurements based on the SSB of the serving cell and / or neighboring cells. If the fourth condition is not met, and if the second condition is met, the UE may activate or enable listening for the first signal, and / or the UE may perform RRM measurements based on the second signal, and / or the UE may perform relaxed RRM measurements based on the SSB of the serving cell and / or neighboring cells. If the fourth condition is not met, and if the UE meets the second condition and the third condition at the same time, the UE may perform RRM measurements on the serving cell only based on the second signal, without performing RRM measurements on the serving cell based on the SSB of the serving cell, and / or without performing RRM measurements based on the SSB of neighboring cells. The fourth condition may include one or more of the following combinations: when the RSRP based on the second signal is less than and / or not greater than a predefined or preconfigured threshold TH13, and / or the RSRQ is less than and / or not greater than a predefined or preconfigured threshold TH14, or when the reference cell selection RX level value (Srxlev) calculated based on the RSRP of the second signal is less than and / or not greater than a predefined or preconfigured threshold TH15, and / or the cell selection quality value (Squal) calculated based on the RSRQ is less than and / or not greater than a predefined or preconfigured threshold TH16;

[0321] o when the RSRP based on the SSB of the serving cell is less than and / or not greater than a predefined or preconfigured threshold TH17, and / or the RSRQ is less than and / or not greater than a predefined or preconfigured threshold TH18, or when the reference cell selection RX level value (Srxlev) calculated based on the RSRP of the SSB of the serving cell is less than and / or not greater than a predefined or preconfigured threshold TH19, and / or the cell selection quality value (Squal) calculated based on the RSRQ is less than and / or not greater than a predefined or preconfigured threshold TH20; Optionally, the RSRP and / or RSRQ based on the SSB of the serving cell may be obtained through relaxed RRM measurements;

[0322] o When the RSRP of the SSB based on the neighboring cell is greater than and / or not less than a predefined or preconfigured threshold TH21, and / or the RSRQ is greater than and / or not less than a predefined or preconfigured threshold TH22, or if the cell selection RX level value (Srxlev) calculated based on the RSRP of the SSB of the neighboring cell is greater than and / or not less than a predefined or preconfigured threshold TH23, and / or the cell selection quality value (Squal) calculated based on the RSRQ is greater than and / or not less than a predefined or preconfigured threshold TH24; Optionally, the RSRP and / or RSRQ of the SSB based on the neighboring cell can be obtained through relaxed RRM measurements; or the RSRP and / or RSRQ of the SSB based on the neighboring cell can be obtained through RRM measurements performed at each preconfigured or predefined RRM measurement occasion or window.

[0323] o The preconfigured threshold can be configured by SIB1.

[0324] o The TH13, TH14, TH15, TH16, TH17, TH18, TH19, TH20, TH21, TH22, TH23, TH24 are positive numbers greater than 0.

[0325] Through the above method, the base station and the UE can have a consistent understanding of the operations related to the first signal and / or the second signal, thereby improving communication performance. In addition, by using the generation sequence indication part of the first signal or the second signal to carry information, and using the payload of the time domain sequence of the first signal or the second signal to carry information, the number and types of information that the first signal or the second signal can transmit can be increased, and the UE can also obtain the required information faster. On the other hand, by using signals or conditions to activate or deactivate the operations related to the first signal or the second signal, the power consumption of the UE can be further reduced and the power efficiency can be improved.

[0326] Figure 7 The block diagram of the hardware structure of the communication device 700 according to some embodiments of the present disclosure is shown. Figure 7 The shown communication device 700 can be used to implement any method performed by the UE or the base station according to the principles of the present disclosure.

[0327] Reference Figure 7, a communication device 700 according to an embodiment of the present disclosure includes a transceiver 701 and a controller 702. Optionally, the communication device 700 may further include a memory (not shown). The transceiver 701 may transmit signals or data, or receive signals or data. The controller 702 may be coupled to the transceiver 701 and the memory, and control the operations of the transceiver 701 and the memory. Computer-executable instructions are stored on the memory, and when the instructions are executed by the controller 702, at least one method corresponding to each of the above embodiments of the present disclosure is executed.

[0328] The above are only exemplary embodiments of the present disclosure and are not intended to limit the present disclosure. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present disclosure shall be included within the scope of protection of the present disclosure.

[0329] Those skilled in the art of the present technology can understand that the present application may include devices for performing one or more of the operations described in the present application. These devices may be specifically designed and manufactured for the required purposes, or may also include known devices in general-purpose computers. These devices have computer programs stored therein, and these computer programs are selectively activated or reconstructed. Such computer programs may be stored in a device (e.g., a computer) readable medium or in any type of medium suitable for storing electronic instructions and coupled to the bus respectively. The computer-readable medium includes, but is not limited to, any type of disk (including floppy disks, hard disks, optical disks, CD-ROMs, and magneto-optical disks), ROM (Read-Only Memory), RAM (Random Access Memory), EPROM (Erasable Programmable Read-Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), flash memory, magnetic cards or optical cards. That is, the readable medium includes any medium that stores or transmits information in a form readable by a device (e.g., a computer).

[0330] Those skilled in the art of the present technology can understand that each block in these structural diagrams and / or block diagrams and / or flowcharts, and combinations of blocks in these structural diagrams and / or block diagrams and / or flowcharts, can be implemented with computer program instructions. Those skilled in the art of the present technology can understand that these computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing methods to implement, so that the processor of the computer or other programmable data processing methods executes the solutions specified in one or more blocks of the structural diagrams and / or block diagrams and / or flowcharts disclosed in the present disclosure.

[0331] Those skilled in the art can understand that the various operations, methods, steps, measures, and solutions in the processes discussed in this disclosure can be alternated, changed, combined, or deleted. Further, other steps, measures, and solutions in the various operations, methods, and processes discussed in this disclosure can also be alternated, changed, rearranged, decomposed, combined, or deleted. Further, those in the prior art that have steps, measures, and solutions in the various operations, methods, and processes disclosed in this disclosure can also be alternated, changed, rearranged, decomposed, combined, or deleted.

[0332] The above are only some embodiments of this disclosure. It should be noted that for those of ordinary skill in the art, without departing from the principle of this disclosure, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of this disclosure.

Claims

1. A method performed by a user equipment (UE) in a communication system, comprising: Receiving, from a base station, first configuration information for a first signal and second configuration information for a second signal; Performing a first operation based on at least one of the first configuration information and the second configuration information when receiving a third signal from the base station and / or determining that a first condition is satisfied, the first operation including at least one of listening for the first signal and performing radio resource management (RRM) measurements based on the second signal; Wherein the first signal includes a low-power signal for waking up the UE, and the second signal includes a low-power signal for synchronization and / or RRM measurements.

2. The method according to claim 1, wherein, The third signal includes indication information for indicating activation of the first operation, for at least one of the following: Indicating activation of the first operation; Indicating that the UE performs periodic or continuous listening based on the first signal; Indicating that the UE performs RRM measurements based on the second signal.

3. The method according to claim 1, wherein the first operation further includes at least one of the following: Not listening for a physical downlink control channel (PDCCH) search space or downlink control information (DCI) scrambled with a power saving radio network temporary identity (PS_RNTI) cyclic redundancy check (CRC); Not listening for a paging occasion or paging early indication; No longer performing RRM measurements based on synchronization signals and physical broadcast channel blocks (SSBs); Turning on a receiving module for a wake-up signal; Putting the main radio communication module into a sleep state; Sending a first acknowledgment signal for the third signal within a second time after receiving the third signal and / or before the main radio communication module enters the sleep state; The UE does not expect to listen for a PDCCH search space set and / or a paging occasion; In the RRC CONNECTED state, the UE does not expect to listen for DCI scrambled with a PS_RNTI CRC; In the RRC INACTIVE state, the UE does not expect to listen for a paging early indication.

4. The method according to claim 2 or 3, wherein The third signal includes a DCI message, and the DCI message further includes at least one of the following: Identification information for indicating a DCI format; Feedback time information for indicating the time information for the UE from receiving the third signal to sending the first acknowledgment signal for the third signal; Information related to a bandwidth part (BWP) for the first signal and / or the second signal; Time domain resource allocation information for the first acknowledgment signal; Frequency domain resource allocation information for the first acknowledgment signal.

5. The method according to claim 3, wherein The first acknowledgment signal is used to indicate to the base station at least one of the following: The UE has activated the first operation; The UE has deactivated the main radio communication module; The UE no longer listens for a PDCCH search space or DCI scrambled with a PS_RNTI CRC; The UE no longer listens for a paging occasion or paging early indication; The UE no longer performs RRM measurements based on SSBs.

6. The method according to claim 3, wherein, The UE activates or deactivates the first operation after a first time unit after sending the first acknowledgment signal, wherein the first time unit is related to the subcarrier spacing (SCS) and / or BWP switching time of the first acknowledgment signal.

7. The method according to claim 1, wherein The first condition includes at least one of the following: The change or difference in the RSRP of the SSB within a third time is less than or equal to a first threshold; The change or difference in the RSRQ of the SSB within a fourth time is less than or equal to a second threshold; The RSRP of the SSB is greater than or equal to a third threshold; The RSRQ of the SSB is greater than or equal to a fourth threshold; The value of a first timer decrements to 0, where the first timer is started when the UE detects one or more DCI formats during a PDCCH monitoring occasion and the value of the timer decrements according to a time unit. If the UE detects one or more DCI formats again before the first timer decrements to 0, the UE resets the first timer; The UE receives a third signal.

8. The method according to claim 1, wherein, In the case of receiving the third signal from the base station and / or determining that the first condition is satisfied, the method further includes: Based on the first signal, performing a second operation, where the second operation includes at least one of the following: Turning on the main wireless communication module; In the RRC CONNECTED state, the UE monitors the PDCCH search space or DCI with a CRC scrambled by PS_RNTI after a fifth time; In the RRC INACTIVE or IDLE state, the UE monitors a paging early indication or a paging occasion after a sixth time; In the RRC INACTIVE or IDLE state, the UE enters the RRC CONNECTED state after a seventh time; The UE performs RRM measurement based on the SSB after an eighth time; The UE turns off or deactivates the receiving module for the wake-up signal; The UE does not expect to monitor the first signal listening occasion starting from the next first signal listening occasion; The UE does not expect to perform RRM measurement based on the second signal.

9. According to the method of claim 8, wherein There is an association relationship between the paging occasion and the first signal, and the association relationship is indicated by the information carried by the first signal or is a predetermined association relationship.

10. The method according to claim 8 further comprises: The UE performs at least one of the following operations: When the UE monitors the PDCCH search space or the paging occasion, the UE does not monitor the first signal; When the UE monitors the listening occasion for DCI with a CRC scrambled by PS_RNTI and / or the PEI occasion, the UE does not monitor the first signal; Within a ninth time after receiving the first signal, the UE sends a second confirmation signal for the first signal.

11. The method according to claim 10, wherein, The second confirmation signal is used to indicate to the base station at least one of the following: The UE has activated the main wireless communication module; The UE has deactivated the receiving module for the wake-up signal; The UE starts to monitor the PDCCH search space or DCI with a CRC scrambled by PS_RNTI; The UE performs paging occasion or paging early indication monitoring; The UE performs RRM measurement based on the SSB; The UE deactivates the first signal listening occasion; The UE deactivates RRM measurement based on the second signal.

12. The method according to claim 10 or 11, wherein, The UE starts to monitor the PDCCH search space after a second time unit after sending the second confirmation signal, where the second time unit is related to the SCS of the second confirmation signal and / or the BWP switching time.

13. A method performed by a base station in a communication system, comprising: Sending a first sequence and a generation sequence of a first signal to a user equipment (UE), the first sequence indicating or including partial or all of the bit information of the first signal, and the generation sequence and / or the first sequence of the first signal being used by the UE to obtain the information bits of the first signal; and / or Sending a second sequence and a generation sequence of a second signal to the UE, the second sequence indicating or including partial or all of the bit information of the second signal, and the generation sequence and / or the second sequence of the second signal being used by the UE to obtain the information bits carried by the second signal.

14. A user equipment (UE) in a communication system, comprising: A transceiver configured to transmit and / or receive signals; A controller configured to control the UE to perform the method according to any one of claims 1-12.

15. A base station in a communication system, comprising: A transceiver configured to transmit and / or receive signals; A controller configured to control the base station to perform the method according to claim 13.

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