WO2023116692A1

WO2023116692A1 - Communication method and related device

Info

Publication number: WO2023116692A1
Application number: PCT/CN2022/140351
Authority: WO
Inventors: 周化雨; 王苗; 潘振岗
Original assignee: 展讯通信（上海）有限公司
Priority date: 2021-12-20
Filing date: 2022-12-20
Publication date: 2023-06-29
Also published as: CN116321367A

Abstract

Disclosed in the present application are a communication method and a related device. The method comprises: receiving a wake-up signal, and determining whether to be woken up. Using the method provided by the present application facilitates the improvement of the accuracy of detecting a wake-up signal.

Description

A communication method and related device

technical field

The present invention relates to the communication field, in particular to a communication method and a related device.

Background technique

At present, the overall receiver (that is, the receiver shared by the idle state/inactive state/connected state) is used to process the synchronization signal block burst and monitor the Physical Downlink Control Channel (PDCCH), so the terminal device starts from deep sleep The switching power consumption (energy) of waking up is relatively large, and the power consumption of detecting paging (paging) or paging early indication (paging early indication, PEI) is also relatively large. The overall receiver can also be called a conventional receiver or a main receiver, and has a complete radio frequency and baseband processing architecture.

In order to reduce the switching power consumption and power consumption of detecting signals when the terminal device wakes up from deep sleep, a low-power receiver independent of the overall receiver can be used to detect a wake-up signal. After the low-power receiver detects a wake-up signal, it notifies the overall receiver, and the overall receiver will turn on, and perform measurement and data sending and receiving (for example, receiving a paging message). In the cellular mobile network, the interference between cells is relatively large, and the low-power receiver may mistakenly receive the wake-up signal from the neighboring cell, resulting in unnecessary wake-up and wasting power.

Contents of the invention

The present application provides a communication method and a related device, which are beneficial to improving the accuracy of detecting wake-up signals.

In a first aspect, the present application provides a communication method, which includes: receiving a wake-up signal; and determining whether to be woken up. Through this method, it is beneficial to improve the accuracy of detecting the wake-up signal.

With reference to the first aspect, in a possible implementation manner, the wake-up signal includes cell identity information.

With reference to the first aspect, in a possible implementation manner, the wake-up signal includes data, and a sequence generator of a scrambling code or an initial sequence of the data includes the cell identity information.

With reference to the first aspect, in a possible implementation manner, the wake-up signal includes data, and the data includes the cell identity information.

With reference to the first aspect, in a possible implementation manner, the wake-up signal includes data, and a cyclic redundancy check (CRC) of the data is scrambled by the cell identification information.

With reference to the first aspect, in a possible implementation manner, the wake-up signal includes a first preamble, and a sequence generator or an initial sequence of the first preamble includes the cell identity information.

With reference to the first aspect, in a possible implementation manner, the wake-up signal includes a second preamble, and a sequence generator or an initial sequence of the second preamble includes the cell identity information.

With reference to the first aspect, in a possible implementation manner, the wake-up signal includes a second preamble, and the second preamble includes a first sequence and a second sequence, where the first sequence is a sequence of all 0s, The sequence generator of the second sequence or the initial sequence contains the cell identity information.

With reference to the first aspect, in a possible implementation manner, the wake-up signal includes a preamble, and the preamble includes the cell identity information.

With reference to the first aspect, in a possible implementation manner, the preamble sequence generator or initial sequence includes the cell identity information.

With reference to the first aspect, in a possible implementation manner, the cell identity information is a cell identity.

With reference to the first aspect, in a possible implementation manner, the cell identity information is a part of the cell identity.

With reference to the first aspect, in a possible implementation manner, part of the cell identity is the cell identity carried by the primary synchronization signal PSS.

With reference to the first aspect, in a possible implementation manner, the cell identity information is a cell identity configured by a high layer parameter. With reference to the first aspect, in a possible implementation manner, the wake-up signal includes a first preamble and a second preamble, and the cell identification information includes first cell identification information and second cell identification information; the first preamble The sequence generator or the initial sequence of the second preamble includes the first cell identification information; the sequence generator or the initial sequence of the second preamble includes the second cell identification information.

With reference to the first aspect, in a possible implementation manner, the first cell identity information includes a part of the cell identity, and the second cell identity information includes another part of the cell identity.

With reference to the first aspect, in a possible implementation manner, the first cell identity information includes a first identity of the cell configured by high-layer parameters, and the second cell identity information includes a second identity of the cell configured by high-layer parameters.

With reference to the first aspect, in a possible implementation manner, the wake-up signal includes terminal device subgroup information.

With reference to the first aspect, in a possible implementation manner, the wake-up signal includes data, and the data includes the terminal device subgroup information.

With reference to the first aspect, in a possible implementation manner, the terminal device subgroup information includes one or more bits.

With reference to the first aspect, in a possible implementation manner, the start position and length of the terminal device subgroup information in the data are configured by high-level parameters.

With reference to the first aspect, in a possible implementation manner, the wake-up signal includes data, and a cyclic redundancy check (CRC) of the data includes the terminal device subgroup information.

With reference to the first aspect, in a possible implementation manner, the CRC of the data is scrambled by a sequence, and the sequence includes the terminal device subgroup information.

With reference to the first aspect, in a possible implementation manner, the wake-up signal includes data, the terminal device subgroup includes a first terminal device subgroup and a second terminal device subgroup, and the second terminal device subgroup is a subset of the first terminal device subgroup, and the terminal device subgroup information includes the first terminal device subgroup information corresponding to the first terminal device subgroup and the first terminal device subgroup corresponding to the second terminal device subgroup Two terminal device subgroup information; the data includes the first terminal device subgroup information, and the CRC of the data includes the second terminal device subgroup information.

With reference to the first aspect, in a possible implementation manner, the CRC of the data is scrambled by a sequence, and the sequence includes the information of the second terminal device subgroup.

In a second aspect, the present application provides a communication method, which includes: detecting a first preamble and/or a second preamble; and monitoring data. Through this method, it is beneficial to improve the accuracy of detecting the wake-up signal.

With reference to the second aspect, in a possible implementation manner, the detecting the first preamble and/or the second preamble; and monitoring data includes: detecting the first preamble and the second preamble before an opportunity to monitor the data Two preambles; when the first preamble and the second preamble are detected, listening to the data.

With reference to the second aspect, in a possible implementation manner, the detecting the first preamble and the second preamble includes: detecting the first preamble and the second preamble before a monitoring opportunity of the data and after a time position The second preamble, wherein the distance between the time position and the listening opportunity of the data is E symbols or E time slots or F milliseconds.

With reference to the second aspect, in a possible implementation manner, the detecting the first preamble and/or the second preamble; and monitoring the data includes: detecting the first preamble or the second preamble before an opportunity to monitor the data Two preambles; when detecting the first preamble or the second preamble, listening to the data.

With reference to the second aspect, in a possible implementation manner, the detecting the second preamble includes: detecting the first preamble or the second preamble before the monitoring timing of the data and after the time position , wherein the distance between the time position and the listening opportunity of the data is G symbols or G time slots or H milliseconds.

With reference to the second aspect, in a possible implementation manner, detecting the first preamble and/or the second preamble; monitoring data includes: detecting the first preamble before an opportunity to monitor the data; when When the first preamble is detected, the second preamble is detected; when the second preamble is detected, the data is monitored.

With reference to the second aspect, in a possible implementation manner, the detecting the first preamble includes: detecting the first preamble before a monitoring opportunity of the data, and detecting the first preamble after a time position , wherein the distance between the time position and the detection opportunity of the second preamble is I symbols or I time slots or J milliseconds.

With reference to the second aspect, in a possible implementation manner, the detecting the first preamble and/or the second preamble; and monitoring the data includes: when the first preamble and the second preamble are detected, monitoring the the above data.

With reference to the second aspect, in a possible implementation manner, the monitoring the data includes: when the first preamble and the second preamble are detected, monitoring the data after a time position, wherein, The detection timing and the time position of the first preamble and the second preamble are K symbols or K time slots or L milliseconds away.

With reference to the second aspect, in a possible implementation manner, the detecting the first preamble and/or the second preamble; monitoring the data includes: when the first preamble or the second preamble is detected, monitoring the the above data.

With reference to the second aspect, in a possible implementation manner, the monitoring the data includes: when the first preamble or the second preamble is detected, monitoring the data after a time position, wherein, The detection timing of the first preamble or the second preamble is M symbols or M time slots or N milliseconds away from the time position.

With reference to the second aspect, in a possible implementation manner, detecting the first preamble and/or the second preamble; and monitoring data includes: when the first preamble is detected, detecting the second preamble; when the first preamble is detected During the second preamble, monitor the data.

With reference to the second aspect, in a possible implementation manner, the detecting the second preamble includes: when the first preamble is detected, detecting the second preamble after a time position, wherein the The detection timing of the first preamble and the time position are separated by P symbols or P time slots or Q milliseconds.

In a third aspect, the present application provides a communication method, which includes: detecting a preamble; and monitoring data. Through this method, it is beneficial to improve the accuracy of detecting the wake-up signal.

With reference to the third aspect, in a possible implementation manner, the detecting the preamble and monitoring the data includes: detecting the preamble before a monitoring opportunity of the data; and monitoring the data when the preamble is detected.

With reference to the third aspect, in a possible implementation manner, the detecting the preamble includes: detecting the preamble before the monitoring timing of the data and after a time position, where the time position is related to the data monitoring The distance of the occasions is G' symbols or G' slots or H' milliseconds.

With reference to the third aspect, in a possible implementation manner, the detecting the preamble and listening to the data includes: listening to the data when the preamble is detected.

With reference to the third aspect, in a possible implementation manner, the monitoring the data includes: when the preamble is detected, monitoring the data after a time position, where the detection timing of the preamble and the The time position is M' symbols or M' slots or N' milliseconds away.

In a fourth aspect, the present application provides a communication device, which is used to implement the units of the method in the first aspect, the second aspect, or the third aspect and any possible implementation manners thereof.

In a fifth aspect, the present application provides a communication device, where the communication device includes a processor, and the processor is configured to execute the method in the first aspect or the second aspect or the third aspect and any possible implementation thereof .

In a sixth aspect, the present application provides a communication device, the communication device includes a processor and a memory, the memory is used to store computer-executable instructions; the processor is used to call the program code from the memory to execute the first The method in the aspect or the second aspect or the third aspect and any possible implementation thereof.

In a seventh aspect, the present application provides a communication device, the communication device includes a processor and a transceiver, the transceiver is used to receive a signal or send a signal; the processor is used to implement the first aspect or the first The method in the second aspect or the third aspect and any possible implementation thereof.

In an eighth aspect, the present application provides a communication device, the communication device includes a processor, a memory, and a transceiver, the transceiver is used to receive signals or send signals; the memory is used to store program codes; the The processor is configured to call the program code from the memory to execute the method in the first aspect or the second aspect or the third aspect and any possible implementation thereof.

In a ninth aspect, the present application provides a chip, the chip is configured to receive a wake-up signal; and the chip is further configured to determine whether to be woken up.

In a tenth aspect, the present application provides a chip, the chip is used to detect the first preamble and/or the second preamble; the chip is also used to monitor data.

In an eleventh aspect, the present application provides a chip, where the chip is used to detect a preamble; and the chip is also used to monitor data.

In a twelfth aspect, the present application provides a module device, the module device includes a communication module, a power module, a storage module, and a chip module, wherein: the power module is used to power the module The group equipment provides electric energy; the storage module is used to store data and instructions; the communication module is used for internal communication of the module equipment, or for the module equipment to communicate with external equipment; the chip module Used for: receiving a wake-up signal; determining whether to be woken up.

In a thirteenth aspect, the present application provides a module device, the module device includes a communication module, a power module, a storage module, and a chip module, wherein: the power module is used to power the module The group equipment provides electric energy; the storage module is used to store data and instructions; the communication module is used for internal communication of the module equipment, or for the module equipment to communicate with external equipment; the chip module Used for: detecting the first preamble and/or the second preamble; listening to data.

In a fourteenth aspect, the present application provides a module device, the module device includes a communication module, a power module, a storage module, and a chip module, wherein: the power module is used to power the module The group equipment provides electric energy; the storage module is used to store data and instructions; the communication module is used for internal communication of the module equipment, or for the module equipment to communicate with external equipment; the chip module Used for: detecting leading; listening data.

In a fifteenth aspect, the present application provides a computer-readable storage medium, the computer-readable instruction is stored in the computer-readable instruction, and when the computer-readable instruction is run on the communication device, the communication device executes the above-mentioned first The method in the aspect or the second aspect or the third aspect and any possible implementation thereof.

In a sixteenth aspect, the present application provides a computer program or a computer program product, including codes or instructions. When the codes or instructions are run on a computer, the computer executes the method of the first aspect or the second aspect or the third aspect.

Description of drawings

FIG. 1 is a schematic diagram of a network architecture provided by an embodiment of the present application;

FIG. 2 is a schematic diagram of a structure of a wake-up signal provided by an embodiment of the present application;

FIG. 3 is a flowchart of a communication method provided by an embodiment of the present application;

Fig. 4 is a schematic diagram of detecting a first preamble and a second preamble provided by an embodiment of the present application;

Fig. 5 is a schematic diagram of detecting a first preamble or a second preamble provided by an embodiment of the present application;

Fig. 6 is a schematic diagram of detecting a first preamble provided by an embodiment of the present application;

FIG. 7 is a schematic diagram of monitoring data provided by an embodiment of the present application;

FIG. 8 is a schematic diagram of another monitoring data provided by the embodiment of the present application;

FIG. 9 is another schematic diagram of detecting the second preamble provided by the embodiment of the present application;

FIG. 10 is a schematic structural diagram of a communication device provided by an embodiment of the present application;

Fig. 11 is a schematic structural diagram of another communication device provided by an embodiment of the present application;

Fig. 12 is a schematic structural diagram of a module device provided by an embodiment of the present application.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

The terms used in the following embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. As used in the specification and appended claims of this application, the singular expressions "a", "an", "said", "above", "the" and "this" are intended to also Plural expressions are included unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used in this application refers to and includes any and all possible combinations of one or more of the listed items.

It should be noted that the terms “first”, “second”, and “third” in the specification and claims of the present application and in the above drawings are used to distinguish similar objects, but not necessarily to describe specific objects. sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the term "comprising" and any variations thereof are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or server comprising a series of steps or elements is not necessarily limited to those steps or elements explicitly listed, Instead, other steps or elements not explicitly listed or inherent to the process, method, product or apparatus may be included.

The embodiment of the present application can be applied to the network architecture shown in FIG. 1. The network architecture shown in FIG. 1 is the network architecture of a wireless communication system. The network architecture usually includes terminal equipment and network equipment. The number and form of each equipment do not constitute a The limitations of the application examples.

It should be noted that the wireless communication systems mentioned in the embodiments of the present application include but are not limited to: Internet of Things (Internet of Things, IoT), Long Term Evolution (LTE), Fifth Generation Mobile Communication (5th- generation, 5G) system, sixth-generation mobile communication (6th-generation, 6G) system and future mobile communication system.

The terminal device in the embodiment of the present application is a device with a wireless communication function, and may be called a terminal (terminal), user equipment (user equipment, UE), mobile station (mobile station, MS), mobile terminal (mobile terminal, MT) ), access terminal equipment, vehicle terminal equipment, industrial control terminal equipment, UE unit, UE station, mobile station, remote station, remote terminal equipment, mobile equipment, UE terminal equipment, wireless communication equipment, UE agent or UE device, etc. It should be noted that, in the following content, the name of terminal equipment is used as an example for introduction. This terminal equipment can also be called terminal, user equipment, UE, etc., and these terms can be understood as Terminal equipment, this application does not limit the name of the terminal equipment.

Terminal equipment can be fixed or mobile. It should be noted that the terminal device may support at least one wireless communication technology, such as LTE, new radio (new radio, NR), and so on. For example, the terminal device may be a mobile phone (mobile phone), a tablet computer (pad), a desktop computer, a notebook computer, an all-in-one computer, a vehicle terminal, a virtual reality (virtual reality, VR) terminal device, an augmented reality (augmented reality, AR) terminal Equipment, wireless terminals in industrial control, wireless terminals in self driving, wireless terminals in remote medical surgery, wireless terminals in smart grid, transportation safety Wireless terminals in (transportation safety), wireless terminals in smart cities, wireless terminals in smart homes, cellular phones, cordless phones, session initiation protocol (SIP) phones, wireless Local loop (wireless local loop, WLL) stations, personal digital assistants (personal digital assistant, PDA), handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, wearable devices, future mobile communications The terminal equipment in the network or the terminal equipment in the public mobile land network (public land mobile network, PLMN) that will evolve in the future, etc. In some embodiments of the present application, the terminal device may also be a device having a sending and receiving function, such as a chip system. Wherein, the chip system may include a chip, and may also include other discrete devices, which is not limited in this embodiment of the present application. The network device in this embodiment of the present application is a device that provides a wireless communication function for a terminal device, and may also be referred to as a radio access network (radio access network, RAN) device, or an access network element. Wherein, the network device may support at least one wireless communication technology, such as LTE, NR and so on. Exemplarily, the network equipment includes but is not limited to: a next-generation base station (generation nodeB, gNB), an evolved node B (evolved node B, eNB) in a fifth-generation mobile communication system (5th-generation, 5G), a wireless network control radio network controller (RNC), node B (node B, NB), base station controller (base station controller, BSC), base transceiver station (base transceiver station, BTS), home base station (for example, home evolved node B, or home node B, HNB), baseband unit (baseband unit, BBU), transmitting and receiving point (transmitting and receiving point, TRP), transmitting point (transmitting point, TP), mobile switching center, etc. The network device can also be a wireless controller, a centralized unit (centralized unit, CU), and/or a distributed unit (distributed unit, DU) in a cloud radio access network (cloud radio access network, CRAN) scenario, or the network device can be Relay stations, access points, vehicle-mounted devices, terminal devices, wearable devices, and network devices in future mobile communications or network devices in future evolved PLMNs, etc. In some embodiments, the network device may also be an apparatus having a wireless communication function for the terminal device, such as a chip system. Exemplarily, the system-on-a-chip may include a chip, and may also include other discrete devices. In some embodiments, the network device can also communicate with an Internet Protocol (Internet Protocol, IP) network, such as the Internet (internet), a private IP network, or other data networks.

The network architecture and business scenarios described in the embodiments of the present application are for more clearly illustrating the technical solutions of the embodiments of the present application, and do not constitute limitations on the technical solutions provided by the embodiments of the present application. For the evolution of architecture and the emergence of new business scenarios, the technical solutions provided by the embodiments of this application are also applicable to similar technical problems.

Next, some concepts involved in the embodiments of this application are introduced.

1. Paging

Generally speaking, in the idle state or inactive state, the user equipment (User Equipment, UE) needs to monitor the physical downlink control channel (Physical Downlink Control Channel, PDCCH) related to paging (paging) , also known as Type 2-PDCCH (Type2-PDCCH). The RNTI of the paging-related PDCCH is P-RNTI, and the downlink control information (Downlink Control Information, DCI) format (format) used is DCI format 1-0. When the user equipment detects the PDCCH related to paging (the CRC is successfully descrambled by using the P-RNTI), the user equipment parses the DCI. There may be a short message (short message) in the DCI to enable the user equipment to obtain alarm information or update system information. There may also be scheduling information in the DCI, so that the user equipment receives the paging-related Physical Downlink Share Channel (PDSCH), obtains the paging message, and further initiates a random access process to enter the connected state (connected state). The monitoring timing of the paging-related PDCCH can be configured by the Search Space Set (SSS), and then determined by the Paging Occasion (PO) and the Paging Monitoring Occasion (PMO); wherein, the PO It is used to determine the starting point of the monitoring opportunity in the paging frame (Paging Frame, PF). The PMO is a plurality of monitoring opportunities in the order from the starting point, and the PMO is associated with the actually transmitted synchronization signal block one-to-one.

2. Radio Resource Management (RRM) measurement

In idle state or inactive state, user equipment needs to perform periodic RRM measurement. The RRM measurement includes the measurement of the serving cell (serving cell) and the measurement of the neighboring cell (neighboring cell). Neighboring cell (neighboring cell) measurement generally includes: a frequency point is given by the base station, and the user equipment performs cell search and measurement on the frequency point; or, a frequency point and a Physical Cell ID (PCI) are given by the base station, and the user equipment The device uses the PCI at the frequency to perform cell search and measurement; or the base station does not specify the frequency or PCI, and the user equipment performs cell search and measurement autonomously. Neighboring cell measurement can be divided into intra-frequency measurement and inter-frequency measurement. For example, if the synchronization signal block in the measurement object of the adjacent cell has the same central frequency point and subcarrier spacing as the synchronization signal block of the serving cell, then the measurement is same-frequency measurement. For example, if the synchronization signal block in the measurement object of the adjacent cell is different from the center frequency or subcarrier spacing of the synchronization signal block in the serving cell, then the measurement is an inter-frequency measurement. In the idle state or the inactive state, the user equipment generally needs to perform RRM measurement of the serving cell once in a paging (paging) cycle (cycle). The paging cycle is also called an idle state-discontinuous reception (Idle state discontinuous reception, I-DRX) cycle.

Therefore, in the idle state or the inactive state, monitoring the PDCCH related to paging and performing RRM measurement are the main tasks of the user equipment.

3. Paging early indication (PEI)

For monitoring the PDCCH related to paging and performing RRM measurement, generally speaking, the paging user equipment wakes up from deep sleep (deep sleep) and processes 3 synchronization signal block bursts (SS/PBCH block burst, SS burst), reaching a certain time-frequency synchronization to monitor the PDCCH related to paging, and perform RRM measurement at the same time. To this end, the network can configure a paging early indication (PEI), and the user equipment detects the paging early indication before the paging-related PDCCH. If the PEI indicates that the paging-related PDCCH needs to be monitored, the user equipment continues to monitor Paging related PDCCH.

Generally speaking, PEI comes before PO. When PEI is configured, user equipment wakes up from deep sleep to process a burst of synchronous signal blocks, and detects PEI when it reaches a certain time-frequency synchronization. If PEI indicates that it needs to monitor the PDCCH related to paging, user equipment Continue to process 2 synchronization signal block bursts, and continue to monitor the PDCCH related to paging. If the PEI indicates that the PDCCH related to paging does not need to be monitored, the user equipment goes back to deep sleep. When the group paging rate (group paging rate) is 10%, the probability that the user equipment needs to monitor the PDCCH related to paging is 10%. Therefore, in a 10% probability, the user equipment needs to process 3 synchronization signal block bursts, and monitor the PDCCH related to paging, and perform RRM measurement; in a 90% probability, the user equipment only needs to process 1 synchronization signal block burst sent, and perform RRM measurements. In this way, with a 90% probability, the user equipment processes fewer signals/channels, and the wake-up time is shorter (after waking up from deep sleep, if it does not process signals/channels, it is in light sleep (light sleep)), power consumption smaller. Therefore, by using the PEI, the user equipment can save power.

4. Overall receiver

Generally speaking, the overall receiver (i.e. the receiver shared by the idle state/inactive state/connected state) is used to process the synchronous signal block burst and monitor the PDCCH, so the conversion power consumption (energy) of the user equipment waking up from deep sleep Larger, the power consumption of detecting PEI is also larger. The overall receiver can also be called a regular receiver or a main receiver, and has a complete radio frequency and baseband processing architecture. The overall receiver is an idle/inactive/connected shared receiver. In terms of functional modules, the overall receiver may include a synchronization signal block receiving module and a data/control receiving module.

5. Low-power wake-up signal receiver

In order to reduce the switching power consumption and the power consumption of detecting the signal when the user equipment wakes up from deep sleep, a low-power receiver independent of the overall receiver can be used to detect a wake-up signal. The gain in power savings can be achieved through a stand-alone low power receiver. A low-power receiver may also be called a low-power wake-up signal receiver, a wake-up signal receiver, or a secondary receiver.

The low-power receiver can have two types of receiving methods.

The first receiving method is that the low-power receiver periodically detects a wake-up signal. With few devices turned off and on, the low-power receiver consumes little transition power when waking up from deep-sleep. Since the corresponding wake-up signal is specially designed, the low-power receiver consumes less power consumption to detect the wake-up signal.

The second type of receiving method is that the low-power receiver can always be in a state of standby (stand-by) and detect a wake-up signal. Since there is no need to switch between deep sleep and heartbeat, this low power receiver has no switching power consumption to wake up from deep sleep. In fact, the low-power receiver only has a deep sleep state (also called a standby state), that is, it can detect a wake-up signal without waking up.

The low power receiver can have three architectures. The first architecture is a more traditional architecture, including bandpass filters, radio frequency amplifiers, local oscillators, mixers, detectors, etc., without analog digital converters (Analog Digital Converter, ADC) and most of the digital processing units. The second architecture is to use passive/passive circuits as much as possible, including bandpass filters (passive), optional RF amplifiers, detectors (passive), and even local oscillators and mixers. The third architecture is a fully passive/passive circuit architecture, combined with energy harvesting, to truly achieve zero power consumption. The above three architectures can all implement the above two types of receiving methods.

In order to save energy for the terminal equipment, in some scenarios or moments, the terminal equipment only turns on the low-power wake-up signal receiver independent of the overall receiver, so that the overall receiver can be turned off, and the low-power wake-up signal receiver can be used to monitor low-power Power consumption wake-up signal to be woken up by the network (network reachable).

6. Wake up signal (wake up signal, WUS)

Referring to FIG. 2 , it is a schematic diagram of a structure of a wake-up signal provided by an embodiment of the present application. As shown in FIG. 2, the wake-up signal can be divided into three parts: a first preamble, a second preamble and data.

The first preamble may also be called a delimiter (Delimiter) or a synchronization (Synchronization, SYNC) preamble. The first preamble can be used by the low-power receiver to know that the wake-up signal is starting to transmit, and for the first stage of synchronization, such as coarse time synchronization. The first preamble may be the preceding part of the preamble. The second preamble may also be called a gap (Gap).

The second preamble can be used for the low-power receiver to know the starting position of the data, and for the second stage of synchronization, such as fine time synchronization and/or frequency synchronization. The first preamble may be the latter part of the preamble.

The data may also be referred to as data of the wake-up signal. The data can be used to transmit important information for the wake-up signal.

Generally speaking, a low-power receiver can be divided into a radio frequency part and a microcontroller part (Micro Computer Unit, MCU). The low power receiver can detect the first preamble with the radio frequency part. For example, whether the first preamble is transmitted is detected through energy detection or envelope detection, so as to know that the wake-up signal starts to be transmitted. The low-power receiver can use the radio frequency part and the single-chip microcomputer part to jointly receive the second preamble and data. For example, the radio frequency part may use a comparator (comparator) to perform 1-bit sampling on the second preamble and data, and the single chip part may receive the second preamble and data. For the second preamble, the single-chip part only needs to detect the sequence and does not need to open the decoder, but for the data, the single-chip part needs to open the decoder for decoding.

In a possible implementation manner, the wake-up signal can be divided into two parts: preamble and data.

The preceding part of the preamble may be the aforementioned first preamble. The latter part of the preamble may be the aforementioned second preamble. The data may be the aforementioned data.

In yet another possible implementation manner, the wake-up signal can be divided into two parts: the first preamble and data.

The first preamble may be the aforementioned first preamble. At this time, the aforementioned second preamble is not sent in the wake-up signal. The data may be the aforementioned data.

In yet another possible implementation manner, the wake-up signal can be divided into two parts: the second preamble and data.

The second preamble may be the aforementioned second preamble. At this time, the aforementioned first preamble is not sent in the wake-up signal. The data may be the aforementioned data.

7. On off keying (OOK) modulation method

Generally speaking, in order to simplify the low-power receiver, the wake-up signal adopts on-off keying modulation, so that the receiver can be simplified to detect the energy of the modulation symbol (instead of the amplitude/phase of the modulation symbol), as long as the detection of the modulation symbol If the energy exceeds a certain threshold, it can be judged as on, otherwise it is judged as off. In addition, since the processing is performed on radio frequency or intermediate frequency, an envelope detection (envelope detection) method can be used. Envelope detection can also be seen as a type of energy detection. For single tone or single carrier waveforms, a modulation symbol is the time domain symbol of a single tone or single carrier. For a single-tone waveform or a single-carrier waveform, a modulation symbol can be called an OOK symbol. For multi-tone or multi-carrier waveforms, a modulation symbol can be a multi-tone or multi-carrier time domain symbol, such as the time domain of Orthogonal Frequency Division Multiplexing (OFDM) symbol. For multi-tone waveforms or multi-carrier waveforms, a modulation symbol can be called a generalized OOK symbol. For multi-tone or multi-carrier waveforms, the sequence or part of the sequence can be modulated on multiple subcarriers (the same OFDM symbol), and the frequency domain point product method can be used for detection (that is, the received frequency domain signal and the local sequence or The frequency-domain version of the part of the sequence is dot-multiplied), which can be equivalent to the time-domain correlation method (ie, the received time-domain signal is correlated with the local sequence or the time-domain version of the part of the sequence).

In order to improve the accuracy of detecting a wake-up signal, an embodiment of the present application provides a communication method. In order to better understand the communication method provided by the embodiment of the present application, the communication method is described in detail below.

Please refer to FIG. 3 . FIG. 3 is a flowchart of a communication method provided by an embodiment of the present application, and the communication method includes steps 101 to 102 . The method shown in FIG. 3 may be executed by a terminal device (for example, refer to FIG. 1 ), or the executed body may be a chip in the terminal device. The execution subject of the method shown in FIG. 3 takes a terminal device as an example. in:

101. The terminal device receives a wake-up signal from a network device.

In this embodiment of the application, the terminal device can receive a wake-up signal sent by the network device, and the wake-up signal is used to wake up the terminal device/integral receiver, or trigger the terminal device to turn on the integral receiver, or trigger the terminal device/integral receiver to switch from the dormant state to / The power-saving mode is converted to the wake-up state, such as starting to monitor the PDCCH. The receiving may include at least one operation of detection, demodulation, and decoding.

In an implementation manner, the wake-up signal may include cell identity information. Due to the large interference between cells in the cellular mobile network, the low-power receiver may mistakenly receive the wake-up signal from the neighboring cell, causing unnecessary wake-up and wasting power. In this manner, the terminal device can determine whether it is awakened by detecting the cell identification information in the wake-up signal, thereby reducing the power consumption of the terminal device and improving the accuracy of detecting the wake-up signal.

In yet another implementation manner, the wake-up signal may include terminal equipment subgroup information (also referred to as user equipment subgroup information, UE subgroup information, terminal subgroup information). Since the wake-up signal adopts the OOK modulation method, the rate of the wake-up signal is very low, resulting in low spectral efficiency; therefore, it is necessary to optimize the data part and avoid reducing the spectral efficiency as much as possible. Generally speaking, a complete terminal device identifier is relatively long, possibly reaching more than 40 bits. If encoding is performed directly in the data, more resources will be required, which will reduce spectrum efficiency. In this way, it is avoided to put the complete terminal device identification of the terminal device in the data, and the terminal device can judge whether it is awakened by detecting the terminal device subgroup information in the wake-up signal, thereby reducing the power consumption of the terminal device and improving the detection and wake-up signal accuracy.

In yet another implementation manner, the manner in which the terminal device receives the wake-up signal may be: the terminal device detects the first preamble and/or the second preamble; and the terminal device monitors data. Because the terminal equipment has mobility, it generally does not use a variable-length frame structure with preamble plus data, but a fixed-length frame structure. Therefore, the first preamble/second preamble/data need to be resource-mapped to a fixed-length frame structure. In the embodiment of the present application, in order to map the first preamble, the second preamble and data resources to a fixed-length frame structure, the first preamble, the second preamble and data resources can be mapped to different symbols or time slots respectively . In this way, the first preamble and the second preamble can be used as an early indication of data to indicate subsequent data transmission, thereby improving the accuracy of detecting a wake-up signal. Optionally, the terminal device independently channelizes the first preamble, the second preamble and the data, and then associates them in the time domain, so that the first preamble, the second preamble and the data are placed in a fixed-length frame structure.

102. The terminal device determines whether to be woken up.

In the embodiment of the present application, the terminal device determines whether to wake up based on the received wake-up signal. Optionally, if the terminal device determines that it needs to be woken up based on the wake-up signal, the terminal device wakes up (turns on) the overall receiver, and if the terminal device determines that it does not need to be woken up based on the wake-up signal, the terminal device keeps the overall receiver in sleep (or called closure).

The following content further introduces the above three possible implementation manners.

In an implementation manner, the wake-up signal may include cell identity information. Due to the large interference between cells in the cellular mobile network, the low-power receiver may mistakenly receive the wake-up signal from the neighboring cell, causing unnecessary wake-up and wasting power. In this way, the terminal device can judge whether it is awakened by detecting the cell identification information in the wake-up signal, which can avoid the problem of receiving the wake-up signal from the neighboring cell, thereby reducing the power consumption of the terminal device and improving the accuracy of detecting the wake-up signal. sex.

Optionally, if the cell identification information contained in the wake-up signal is the same as the cell identification information of the cell where the terminal device is currently camping, then the terminal device determines that it needs to be woken up; if the cell identification information contained in the wake-up signal is the same as the cell identification information of the terminal device If the cell identity information of the cell currently camped on is different, then the terminal device determines that it does not need to be woken up.

In a first possible implementation manner, the data in the wake-up signal may include cell identity information.

Optionally, a sequence generator (sequence generator) or an initial sequence (initial sequence) of the data scrambling code may include the cell identity information. Generally speaking, different sequence generators or initial sequences may generate different scrambling code sequences. Therefore, when the sequence generator or initial sequence contains a cell identity, the generated scrambling code sequence also contains cell identity information. Optionally, the cell identity information may include a cell identity (Cell ID, CID). In this way, the data of the wake-up signals of different cells can be interfered and randomized, with a certain degree of isolation, thereby reducing the possibility of mistakenly receiving the wake-up signals of adjacent cells. In this document, the cell identifier may be a physical cell identifier, or a predefined identifier.

However, the possible disadvantage of this method is that when the data length is short, the generated scrambling code sequence is also short, so different cell identities may generate the same scrambling code sequence, which cannot effectively reduce the possibility of erroneous reception. In order to avoid this problem, the number of cell identities to be distinguished can be reduced. When the number of cell identities is reduced, the possibility of generating the same scrambling code sequence is reduced. That is to say, the cell identity information may include a part of the cell identity. A part of the cell identity may be a cell identity carried by a primary synchronization signal (primary synchronization signal, PSS). Generally, there are three cell identities carried by the PSS, that is, there are three sequences in the PSS. Generally speaking, the 3 sequences correspond to the 3 sectors with relatively large interference (for example, the coverage direction of 120 degrees). Part of the cell identity may also be a cell identity carried by a secondary synchronization signal (secondary synchronization signal, SSS), which is obtained through cell search. Generally speaking, there are 336 cell identities carried by the SSS, that is, there are 336 sequences in the SSS. Generally, 336 sequences correspond to 336 cells (such as 360-degree coverage directions). There are a total of 1008 cell identities carried by the PSS and SSS. The cell identity information may include a cell-specific (cell specific) identity configured by a high-level parameter. The identifier specified by the cell configured by the high-layer parameters may also be referred to as the cell identifier configured by the high-layer parameters. The identifier specified by the cell configured by the high-level parameter can be an identifier broadcast by the System Information Block (SIB) to distinguish the wake-up signal of different cells, and it can be an identifier set by the base station according to the inter-cell interference to distinguish different The identification of the wake-up signal of the cell.

Optionally, the data may include the cell identity information. Optionally, the cell identity information may include a cell identity. Generally speaking, there are 1008 cell identities in total, and 10 bits can be used to identify them. Therefore, 10 bits can be used as cell identities in the wake-up signal. In this way, the cell identity is explicitly coded in the data, and the false alarm rate (False Alarm Rate, FAR) can be very low.

Alternatively, the cell identity information may include a part of the cell identity. Exemplarily, part of the cell identity is the cell identity carried by the primary synchronization signal. In this way, the length of data can be reduced.

Alternatively, the cell identity information may include a cell identity configured by a high layer parameter. Different from the cell ID, the cell ID carried by PSS/SSS is obtained through cell search. The cell ID configured by high-level parameters can be a wake-up signal broadcast by SIB to distinguish different cells. An identifier set by the situation to distinguish the wake-up signals of different cells.

Optionally, the cyclic redundancy check (Cyclic Redundancy Check, CRC) of the data may be scrambled by the cell identification information. Optionally, the cell identity information may include a cell identity. Generally speaking, there are 1008 cell identifiers in total, and 10 bits can be used to identify them. Therefore, 10 bits can be used as cell identifiers in the cyclic redundancy check. In this way, the cell identity is scrambled in the cyclic redundancy check, and the false alarm rate can be very low.

Alternatively, the cell identity information is a part of the cell identity. Exemplarily, part of the cell identity is the cell identity carried by the primary synchronization signal. In this way, the length of the cyclic redundancy check can be reduced.

Alternatively, the cell identity information is a cell identity configured by a high layer parameter. Different from the cell ID, the cell ID carried by PSS/SSS is obtained through cell search. The cell ID configured by high-level parameters can be a wake-up signal broadcast by SIB to distinguish different cells. An identifier set by the situation to distinguish the wake-up signals of different cells.

In a second possible implementation manner, the second preamble in the wake-up signal may include cell identity information. Because in the case where the data can contain cell identification information, the low-power receiver needs to complete the data decoding and cyclic redundancy check process before it can judge whether the received wake-up signal belongs to the cell currently resident; the second preamble contains The implementation of the cell identification information, the low-power receiver can determine whether the wake-up signal is the current resident cell after detecting the second preamble (sequence detection is completed), if not, there is no need to open the decoder and loop Redundancy checker to achieve the purpose of power saving.

Optionally, the sequence generator or the initial sequence of the second preamble includes the cell identity information. Optionally, the cell identity information may include a cell identity. In this way, the low-power receiver can determine whether the wake-up signal belongs to the cell currently resident after detecting the second preamble (sequence detection is completed), and if not, there is no need to open the decoder and the cyclic redundancy checker , to achieve the purpose of power saving.

Alternatively, the cell identity information may include a part of the cell identity. Exemplarily, part of the cell identity is the cell identity carried by the primary synchronization signal. Generally speaking, there are 1008 cell identities in total, and the length of the sequence carrying the complete cell identities is relatively long. When the sequence only carries a part of the cell identities, the sequence length can be reduced, so that the length of the second preamble can be reduced.

Alternatively, the cell identity information may include an identity specified by a cell configured by a high layer parameter. Different from the cell ID, the cell ID carried by the PSS/SSS is obtained through cell search. The cell-specified ID configured by the high-level parameters can be the ID of a wake-up signal broadcast by the SIB to distinguish different cells. An identifier used to distinguish wake-up signals of different cells set in the case of inter-interference interference.

Optionally, the second preamble includes a first sequence and a second sequence, wherein the first sequence is a sequence of all 0s, and a sequence generator or an initial sequence of the second sequence includes the cell identification information. In this way, the first preamble can be a sequence of all 1s, and the first sequence of the first preamble and the second preamble constitute a sequence from all 1s to all 0s, which can make the low-power receiver know the information of the second preamble. start position, perform the first phase of synchronization, and then detect the sequence (that is, the second sequence) containing the cell identification information.

Alternatively, the second preamble includes a first sequence and a second sequence, wherein the first sequence is a sequence of all 1s, and a sequence generator or an initial sequence of the second sequence includes the cell identification information. In this way, the first preamble can be a sequence of all 0s, and the first sequence of the first preamble and the second preamble constitute a sequence from all 0s to all 1s, which can make the low-power receiver know the sequence of the second preamble. start position, perform the first phase of synchronization, and then detect the sequence (that is, the second sequence) containing the cell identification information.

Alternatively, the second preamble includes a first sequence and a second sequence, wherein the first sequence is a first signature sequence (predefined), and the sequence generator or initial sequence of the second sequence includes the cell Identification information. In another implementation, the first preamble may be a second signature sequence (predefined), and the first preamble and the first sequence of the second preamble constitute a sequence from the second signature sequence to the first signature sequence, which may be The low-power receiver is made to know the start position of the second preamble (the start position of the first signature sequence), perform the first phase of synchronization, and then detect the sequence containing the cell identification information (ie, the second sequence).

In a third possible implementation manner, the first preamble in the wake-up signal may include cell identity information. Because in the case that the second preamble can contain cell identification information, the low-power receiver still needs to complete the sequence detection of the second preamble in order to judge whether the received wake-up signal belongs to the currently resident cell; through the first preamble containing The implementation of the cell identification information, the low-power receiver can determine whether the wake-up signal is the current resident cell after detecting the first preamble (envelope detection is completed), if not, there is no need to perform the second preamble detection, to achieve the purpose of power saving.

Optionally, the sequence generator or initial sequence of the first preamble includes the cell identity information. Optionally, the cell identity information may include a cell identity. In this way, the low-power receiver can determine whether the wake-up signal belongs to the cell currently resident after detecting the second preamble (sequence detection is completed), and if not, there is no need to open the decoder and the cyclic redundancy checker , to achieve the purpose of power saving.

Alternatively, the cell identity information may include a part of the cell identity. Exemplarily, part of the cell identity is the cell identity carried by the primary synchronization signal. Generally speaking, there are 1008 cell identities in total, and the length of the sequence carrying the complete cell identities is relatively long. When the sequence only carries part of the cell identities, the sequence length can be reduced, so that the length of the first preamble can be reduced.

In a fourth possible implementation manner, the preamble in the wake-up signal may include cell identity information. When the wake-up signal only contains preamble and data, the low-power receiver can determine whether the wake-up signal is currently resident after detecting the preamble (envelope detection is completed) through the implementation of the preamble containing cell identification In the community, if not, there is no need to receive data to achieve the purpose of saving power.

Optionally, the preamble sequence generator or initial sequence includes the cell identity information. Optionally, the cell identity information may include a cell identity. In this way, the low-power receiver can determine whether the wake-up signal is the current resident cell after detecting the preamble (sequence detection is completed). If not, there is no need to open the decoder and the cyclic redundancy checker to achieve The purpose of power saving.

Alternatively, the cell identity information may include a part of the cell identity. Exemplarily, part of the cell identity is the cell identity carried by the primary synchronization signal. Generally speaking, there are 1008 cell identities in total, and the length of the sequence carrying the complete cell identities is longer. When the sequence only carries a part of the cell identities, the sequence length can be reduced, so that the length of the preamble can be reduced.

In a fifth possible implementation manner, the first preamble and the second preamble in the wake-up signal include cell identity information, and the cell identity information includes first cell identity information and second cell identity information. Wherein, the sequence generator or initial sequence of the first preamble includes the first cell identification information; the sequence generator or initial sequence of the second preamble includes the second cell identification information. For the case where the data in the wake-up signal contains cell identification information, the low-power receiver needs to complete the data decoding and cyclic redundancy check process to determine whether the received wake-up signal is currently resident in the cell, so it is possible to Unnecessary decoding and cyclic redundancy check processes are performed, wasting power. Whether the sequence containing the cell identity information is included in the second preamble or in the first preamble has its own advantages and disadvantages. Included in the first preamble, the low-power receiver does not need to complete the second preamble sequence detection to know whether the wake-up signal is from the current cell, but the radio frequency part needs to be flexible (this is because the radio frequency part needs to be able to respond to different The cell is adjusted to be able to detect the first preamble of a different cell). Included in the second preamble, the low-power receiver needs to complete the sequence detection of the second preamble to know whether the wake-up signal belongs to the cell currently camped on, but the radio frequency part does not need to be flexible. Therefore, in the fourth possible implementation manner, the network can flexibly configure the first preamble and the second preamble according to the capability of the low-power receiver and the interference situation of the current network.

Optionally, the first cell identity information includes a part of the cell identity, and the second cell identity information includes another part of the cell identity. In this manner, the cell identity can be divided into two parts, which are respectively carried by a first type of sequence containing cell identity information and a second type of sequence containing cell identity information.

Optionally, the first cell identity information includes a first identity of a cell configured with high-layer parameters, and the second cell identity information includes a second identity of a cell configured with high-layer parameters. The first identifier of the cell may be a part of the cell identifier carried in the PSS. There may be three first identifiers of the cell. The first identifier of the cell may be a part of the cell identifier carried by the SSS. There may be 336 first identifiers of the cells. Different from the cell ID, the cell ID carried by the PSS/SSS is obtained through cell search. The cell-specified ID configured by the high-level parameters can be the ID of a wake-up signal broadcast by the SIB to distinguish different cells. An identifier used to distinguish wake-up signals of different cells set by inter-interference conditions. Similarly, it can also be divided into two parts, which are respectively composed of the first type of sequence containing cell identification information and the second type of sequence containing cell identification information. bearer.

In yet another implementation manner, the wake-up signal may include terminal device subgroup information. To avoid reducing spectral efficiency, it should be avoided to put the complete terminal equipment identity in the data. Generally speaking, a complete terminal device identifier is relatively long, possibly reaching more than 40 bits. If encoding is performed directly in the data, more resources will be required, which will reduce spectrum efficiency. However, if only a small part of the terminal device identification is placed in the data, the terminal device may be frequently awakened by mistake, that is, there is a relatively large false alarm rate, resulting in power consumption. Therefore, a compromise needs to be reached between spectral efficiency and false alarm rate.

In order to avoid reducing spectral efficiency and excessive overhead, the wake-up signal may be shared by a subgroup of terminal devices. In order to realize sharing, the network device may configure the same wake-up signal for the terminal devices belonging to a terminal device subgroup, similar to configuring the same paging opportunity (PO) for the terminal devices belonging to a terminal device subgroup. At the same time, in order to avoid a large false alarm rate, the data of the wake-up signal may include information indicating whether a subgroup of terminal devices is woken up.

In a first possible implementation manner, the data in the wake-up signal includes the terminal device subgroup information. The terminal device can determine whether the subgroup of terminal devices to which it belongs is awakened according to the information in the data. Specifically, if the terminal device subgroup information contained in the data parsed by the terminal device is the same as the terminal device subgroup information of the terminal device subgroup to which the terminal device belongs, then the terminal device must be woken up; if the terminal device parses out If the terminal device subgroup information included in the data is different from the terminal device subgroup information of the terminal device subgroup to which the terminal device belongs, then the terminal device determines that it does not need to be woken up. In this way, the probability of false wake-up of the subgroup of terminal devices can be reduced.

Optionally, the terminal device subgroup information includes one or more bits. The start position and length of the terminal equipment subgroup information in the data are configured by high-layer parameters. In this way, the terminal device only needs to obtain one or more bits in the corresponding position of the high-level parameter configuration, and through the one or more bits, it can confirm whether the terminal device subgroup to which it belongs is awakened.

In a second possible implementation manner, the terminal device determines whether the subgroup of terminal devices to which it belongs is awakened according to the cyclic redundancy check. Optionally, the cyclic redundancy check (CRC) of the data in the wake-up signal includes the terminal device subgroup information. In this way, the probability of false wake-up of the subgroup of terminal devices can be reduced.

Optionally, the CRC of the data is scrambled by a sequence, and the sequence includes the terminal device subgroup information. In this way, the terminal device descrambles the cyclic redundancy check with a sequence containing terminal device subgroup information. If the descrambling result is correct, it confirms that the terminal device subgroup is awakened; otherwise, it confirms that the terminal device subgroup has not been awakened. Wake-up can reduce the probability of false wake-up of a subgroup of terminal devices.

In a third possible implementation manner, the subgroup of terminal equipment includes a first subgroup of terminal equipment and a second subgroup of terminal equipment, and the second subgroup of terminal equipment is a subgroup of the first subgroup of terminal equipment. set, the terminal device subgroup information includes first terminal device subgroup information corresponding to the first terminal device subgroup and second terminal device subgroup information corresponding to the second terminal device subgroup. Specifically, the data includes the first terminal device subgroup information, and the CRC of the data includes the second terminal device subgroup information. Optionally, the CRC of the data is scrambled by a sequence, and the sequence includes the subgroup information of the second terminal device. In this way, a terminal device (for example, a terminal device) can determine whether the first terminal device subgroup it belongs to is awakened according to the information in the data, and whether the second terminal device subgroup it belongs to is awakened according to the cyclic redundancy check. be awakened. That is to say, the terminal device can jointly determine whether the second subgroup of terminal devices is awakened through the bits in the data and the scrambling code of the cyclic redundancy check, which further reduces the probability of the subgroup of terminal devices being awakened by mistake.

In yet another implementation manner, the manner in which the terminal device receives the wake-up signal may be: the terminal device detects the first preamble and/or the second preamble; and the terminal device monitors data. In this manner, the first preamble, the second preamble and data resources can be mapped to a fixed-length frame structure, specifically, the first preamble, the second preamble and data resources are mapped to different symbols or time slots. The listening may include at least one of detection, reception, demodulation and decoding.

Optionally, the manner in which the terminal device receives the wake-up signal may be: the terminal device detects a preamble; the terminal device monitors data. The wakeup signal contains preamble and data. In this manner, preamble and data resources can be mapped to a fixed-length frame structure, specifically, preamble and data resources are mapped to different symbols or time slots. The listening may include at least one of detection, reception, demodulation and decoding.

Since the wake-up signal adopts OOK modulation and is transmitted on OFDM symbols, one OFDM symbol can be one OOK symbol. An OOK symbol can also be called an OOK chip (chip) or sample (sample). In the frequency domain, one OOK symbol can occupy one or more subcarriers. A sub-carrier is also called a single tone, and multiple sub-carriers are also called a multi-tone. When an OOK symbol occupies a subcarrier, a larger amplitude of the subcarrier represents 1, and a smaller amplitude of the subcarrier represents 0, or vice versa. When an OOK symbol occupies multiple subcarriers, all subcarriers have large amplitudes or some subcarriers have large amplitudes, representing 1, and all subcarriers have small amplitudes or some subcarriers have small amplitudes. 0.

In one implementation, in order to simplify the system design, the data can be used in a manner similar to the PDCCH search space, which can be configured to monitor the timing (also can be understood as periodic monitoring), and the first preamble and the second preamble can be used as data The advance indication is used to indicate the transmission of subsequent data. In this way, the terminal device (eg, UE) detects the first preamble and/or the second preamble before the data listening opportunity. In this way, the network device can configure the monitoring timing of the data, and the terminal device determines the detection timing of the first preamble and/or the second preamble according to the monitoring timing of the data.

Optionally, the method of detecting the first preamble and/or the second preamble; monitoring the data is: detecting the first preamble and the second preamble before the timing of monitoring the data; when the first preamble is detected During the first preamble and the second preamble, the data is monitored. In this way, only when the low-power receiver detects the first preamble and the second preamble, the data is decoded, which saves the power consumption of the terminal equipment.

Optionally, the manner of detecting the first preamble and the second preamble is: detecting the first preamble and the second preamble before the monitoring timing of the data and after a time position, wherein the time The location is E symbols or E time slots or F milliseconds away from the listening occasion for the data. Wherein, E is a positive integer greater than or equal to 1, and F is a positive number (may be a decimal). Referring to FIG. 4 , it is a schematic diagram of detecting a first preamble and a second preamble provided by an embodiment of the present application. In FIG. 4 , for example, E=3, F=0.5. In this way, when the low-power receiver detects the first preamble and the second preamble, there is still a certain time to turn on the corresponding module to decode the data.

Optionally, the method of detecting the first preamble and/or the second preamble; monitoring the data is: detecting the first preamble or the second preamble before the data monitoring opportunity; when the first preamble is detected During the first preamble or the second preamble, the data is monitored. In this way, only when the low-power receiver detects the second preamble, the corresponding module is turned on to decode the data, which saves power consumption of the terminal device.

Optionally, the manner of detecting the second preamble may be: detecting the first preamble or the second preamble before the listening opportunity of the data and after a time position, wherein the time position is the same as The distance between the listening opportunities of the data is G symbols or G time slots or H milliseconds. Wherein, G is a positive integer greater than or equal to 1, and H is a positive number (may be a decimal). Referring to FIG. 5 , it is a schematic diagram of detecting the first preamble or the second preamble provided by an embodiment of the present application. In FIG. 5 , for example, G=3, H=0.5. In this way, when the low-power receiver detects the first preamble or the second preamble, there is still a certain time to turn on the corresponding module to decode the data.

Optionally, the manner of detecting the preamble and monitoring the data is: detecting the preamble before the monitoring timing of the data; when the preamble is detected, monitoring the data. In this way, only when the low-power receiver detects the preamble, the single-chip microcomputer is turned on to decode the data, which saves the power consumption of the terminal equipment.

Optionally, the way of detecting the preamble may be: detecting the preamble before the listening opportunity of the data and after a time position, wherein the distance between the time position and the listening opportunity of the data is G ' symbols or G' slots or H' milliseconds. Wherein, G' is a positive integer greater than or equal to 1, and H' is a positive number (may be a decimal). Exemplarily, G'=3, H'=0.5. In this way, when the low-power receiver detects the preamble, there is still a certain amount of time to turn on the corresponding module to decode the data.

Optionally, the method of detecting the first preamble and/or the second preamble; monitoring data is: detecting the first preamble before the timing of monitoring the data; when the first preamble is detected , detecting the second preamble; and monitoring the data when the second preamble is detected. In this way, only when the low-power receiver detects the first preamble, the corresponding module is turned on to perform sequence detection on the second preamble, which saves power consumption.

Optionally, the manner of detecting the first preamble is: detecting the first preamble before the listening opportunity of the data, and detecting the first preamble after a time position, wherein the time position is the same as the time position The distance between the detection opportunities of the second preamble is I symbols or I time slots or J milliseconds. Wherein, I is a positive integer greater than or equal to 1, and J is a positive number (may be a decimal). Referring to FIG. 6 , it is a schematic diagram of detecting a first preamble provided by an embodiment of the present application. In FIG. 6 , for example, I=2, J=0.1. In this way, when the low-power receiver detects the first preamble, there is still a certain time to turn on the corresponding module to perform sequence detection on the second preamble.

In another implementation, in order to reduce the delay, instead of using periodic monitoring, the low-power receiver can always detect the first preamble and/or the second preamble, and when the first preamble and/or The second preamble begins to receive data again. Since the low-power receiver can detect the first preamble and/or the second preamble with relatively low power consumption, this method does not bring large power consumption, and also effectively reduces the time delay. In this way, when the terminal device detects the first preamble and/or the second preamble, the terminal device starts to receive data. In this way, only when the low-power receiver detects the first preamble and/or the second preamble, the corresponding module is turned on to decode the data, which saves power consumption. In addition, the network device may configure the detection timing of the first preamble and/or the second preamble, and the terminal device detects the first preamble and/or the second preamble according to the detection timing of the first preamble and/or the second preamble.

Optionally, the method of detecting the first preamble and/or the second preamble and monitoring the data is: when the first preamble and the second preamble are detected, the data is monitored. In this way, only when the low-power receiver detects the first preamble and the second preamble, the corresponding module is turned on to decode the data, which saves power consumption of the terminal device.

Optionally, the manner of monitoring the data includes: when the first preamble and the second preamble are detected, monitoring the data after a time position, wherein the first preamble and the second preamble The detection timing of the two preambles and the time position are separated by K symbols or K time slots or L milliseconds. Wherein, K is a positive integer greater than or equal to 1, and L is a positive number (may be a decimal). Referring to FIG. 7 , it is a schematic diagram of monitoring data provided by an embodiment of the present application. In FIG. 7 , for example, K=3, L=0.5. In this way, after the low-power receiver detects the first preamble or the second preamble, there is still a certain time to turn on the corresponding module to decode the data.

Optionally, the manner of detecting the first preamble and/or the second preamble and monitoring the data may be: when the first preamble or the second preamble is detected, the data is monitored. In this way, only when the low-power receiver detects the first preamble or the second preamble, the corresponding module is turned on to decode the data, which saves power consumption of the terminal device.

Optionally, the manner of monitoring the data is: when the first preamble or the second preamble is detected, the data is monitored after a time position, wherein the first preamble or the second preamble The detection timing of the two preambles and the time position are separated by M symbols or M time slots or N milliseconds. Wherein, M is a positive integer greater than or equal to 1, and N is a positive number (may be a decimal). Referring to FIG. 8 , it is a schematic diagram of another monitoring data provided by the embodiment of the present application. In FIG. 8 , for example, M=3, N=0.5. In this way, when the low-power receiver detects the second preamble, there is still a certain time to turn on the corresponding module to decode the data.

Optionally, the manner of detecting the preamble; monitoring the data may be: when the preamble is detected, the data is monitored. In this way, only when the low-power receiver detects the preamble, the single-chip microcomputer is turned on to decode the data, which saves the power consumption of the terminal equipment.

Optionally, the method of monitoring the data is: when the preamble is detected, the data is monitored after a time position, wherein the detection timing of the preamble and the time position are M' symbols or M' time slots or N' milliseconds. Wherein, M' is a positive integer greater than or equal to 1, and N' is a positive number (may be a decimal). Exemplarily, M'=3, N'=0.5. In this way, when the low-power receiver detects the preamble, there is still a certain amount of time to turn on the corresponding module to decode the data.

Optionally, detecting the first preamble and/or the second preamble; the manner of monitoring the data may be: when the first preamble is detected, the second preamble is detected; when the second preamble is detected, the monitoring the data. In this way, only when the low-power receiver detects the first preamble, the corresponding module is turned on to perform sequence detection on the second preamble, which saves power consumption of the terminal device.

Optionally, the manner of detecting the second preamble may be: when the first preamble is detected, detecting the second preamble after a time position, wherein the detection timing of the first preamble and the The time position is P symbols or P slots or Q milliseconds away. Wherein, P is a positive integer greater than or equal to 1, and Q is a positive number (may be a decimal). Referring to Fig. 9, it is a schematic diagram of another detection of the second preamble provided by the embodiment of the present application. In FIG. 9 , for example, P=2, Q=0.5. In this way, when the low-power receiver detects the first preamble, there is still a certain time to turn on the corresponding module to perform sequence detection on the second preamble.

It can be understood that, in order to implement the functions in the foregoing embodiments, the network device and the terminal device include hardware structures and/or software modules corresponding to each function. Those skilled in the art should easily realize that the present application can be implemented in the form of hardware or a combination of hardware and computer software with reference to the units and method steps of the examples described in the embodiments disclosed in the present application. Whether a certain function is executed by hardware or computer software drives the hardware depends on the specific application scenario and design constraints of the technical solution.

Referring to FIG. 10 , FIG. 10 shows a schematic structural diagram of a communication device according to an embodiment of the present application. The device may be a terminal device, or a device in the terminal device, or a device that can be matched with the terminal device. The communication device 100 shown in FIG. 10 may include a processing unit 1001 and a communication unit 1002 . Wherein, the processing unit 1001 is configured to perform data processing. The communication unit 1002 is integrated with a receiving unit and a sending unit. The communication unit 1002 may also be called a transceiver unit. Alternatively, the communication unit 1002 may also be split into a receiving unit and a sending unit. The processing unit 1001 and the communication unit 1002 below are the same, and will not be described in detail below. in:

In one embodiment:

The communication unit 1002 is configured to receive a wake-up signal.

The processing unit 1001 is configured to wake up or not.

In a possible implementation manner, the wake-up signal includes cell identity information.

In a possible implementation manner, the wake-up signal includes data, and a sequence generator of a scrambling code or an initial sequence of the data includes the cell identity information.

In a possible implementation manner, the wake-up signal includes data, and the data includes the cell identity information.

In a possible implementation manner, the wake-up signal includes data, and a cyclic redundancy check (CRC) of the data is scrambled by the cell identification information.

In a possible implementation manner, the wake-up signal includes a first preamble, and a sequence generator or an initial sequence of the first preamble includes the cell identity information.

In a possible implementation manner, the wake-up signal includes a second preamble, and a sequence generator or an initial sequence of the second preamble includes the cell identity information.

In a possible implementation manner, the wake-up signal includes a second preamble, and the second preamble includes a first sequence and a second sequence, wherein the first sequence is a sequence of all 0s, and the second sequence The sequence generator or the initial sequence contains the cell identity information.

In a possible implementation manner, the wake-up signal includes a preamble, and the preamble includes the cell identity information.

In a possible implementation manner, the preamble sequence generator or initial sequence includes the cell identity information.

In a possible implementation manner, the cell identity information is a cell identity.

In a possible implementation manner, the cell identity information is a part of the cell identity.

In a possible implementation manner, part of the cell identity is the cell identity carried by the primary synchronization signal PSS.

In a possible implementation manner, the cell identity information is a cell identity configured by a high layer parameter.

In a possible implementation manner, the wake-up signal includes a first preamble and a second preamble, and the cell identification information includes the first cell identification information and the second cell identification information; the sequence generator of the first preamble or The initial sequence includes the first cell identity information; the second preamble sequence generator or the initial sequence includes the second cell identity information.

In a possible implementation manner, the first cell identity information includes a part of the cell identity, and the second cell identity information includes another part of the cell identity.

In a possible implementation manner, the first cell identity information includes a first identity of the cell configured by high-layer parameters, and the second cell identity information includes a second identity of the cell configured by high-layer parameters.

In a possible implementation manner, the wake-up signal includes terminal device subgroup information.

In a possible implementation manner, the wake-up signal includes data, and the data includes the terminal device subgroup information.

In a possible implementation manner, the terminal device subgroup information includes one or more bits.

In a possible implementation manner, the start position and length of the terminal device subgroup information in the data are configured by high-layer parameters.

In a possible implementation manner, the wake-up signal includes data, and a cyclic redundancy check (CRC) of the data includes the terminal device subgroup information.

In a possible implementation manner, the CRC of the data is scrambled by a sequence, and the sequence includes the terminal device subgroup information.

In a possible implementation manner, the wake-up signal includes data, the subgroup of terminal equipment includes a first subgroup of terminal equipment and a second subgroup of terminal equipment, and the second subgroup of terminal equipment is the first subgroup of terminal equipment. A subset of terminal device subgroups, the terminal device subgroup information includes first terminal device subgroup information corresponding to the first terminal device subgroup and second terminal device subgroup corresponding to the second terminal device subgroup Information; the data includes the first terminal device subgroup information, and the CRC of the data includes the second terminal device subgroup information.

In a possible implementation manner, the CRC of the data is scrambled by a sequence, and the sequence includes the subgroup information of the second terminal device.

In another embodiment:

a communication unit 1002, configured to detect the first preamble and/or the second preamble;

The communication unit 1002 is configured to monitor data.

In a possible implementation manner, the communication unit 1002 is specifically configured to: detect the first preamble and the second preamble before the data monitoring opportunity; when the first preamble and the second preamble are detected, When preamble, listen for said data.

In a possible implementation manner, the communication unit 1002 is specifically configured to: detect the first preamble and the second preamble before the data monitoring opportunity and after a time position, where the time position is the same as The distance of the listening opportunity of the data is E symbols or E time slots or F milliseconds.

In a possible implementation manner, the communication unit 1002 is specifically configured to: detect the first preamble or the second preamble before the data monitoring opportunity; when the first preamble or the second preamble is detected, When preamble, listen for said data.

In a possible implementation manner, the communication unit 1002 is specifically configured to: detect the first preamble or the second preamble before the listening opportunity of the data and after the time position, where the time position is the same as the time position The distance between the listening opportunities of the above data is G symbols or G time slots or H milliseconds.

In a possible implementation manner, the communication unit 1002 is specifically configured to: detect the first preamble before the data monitoring opportunity; when detecting the first preamble, detect the second preamble; When the second preamble is reached, the data is monitored.

In a possible implementation manner, the communication unit 1002 is specifically configured to: detect the first preamble before the data monitoring opportunity, and detect the first preamble after a time position, where the time position is the same as the time position The distance between the detection opportunities of the second preamble is I symbols or I time slots or J milliseconds.

In a possible implementation manner, the communication unit 1002 is specifically configured to: monitor the data when the first preamble and the second preamble are detected.

In a possible implementation manner, the communication unit 1002 is specifically configured to: monitor the data after a time position when the first preamble and the second preamble are detected, wherein the first preamble and the second preamble The detection timing of the second preamble and the time position are K symbols or K time slots or L milliseconds away.

In a possible implementation manner, the communication unit 1002 is specifically configured to: monitor the data when the first preamble or the second preamble is detected.

In a possible implementation manner, the communication unit 1002 is specifically configured to: monitor the data after a time position when the first preamble or the second preamble is detected, wherein the first preamble or the second preamble The detection timing of the second preamble is M symbols or M time slots or N milliseconds away from the time position.

In a possible implementation manner, the communication unit 1002 is specifically configured to: detect the second preamble when the first preamble is detected; monitor the data when the second preamble is detected.

In a possible implementation manner, the communication unit 1002 is specifically configured to: when the first preamble is detected, detect the second preamble after a time position, where the detection timing of the first preamble and the The temporal location is P symbols or P slots or Q milliseconds away.

In another embodiment:

a communication unit 1002, configured to detect a preamble;

The communication unit 1002 is configured to monitor data.

In a possible implementation manner, the communication unit 1002 is specifically configured to: detect the preamble before a monitoring opportunity of the data; and monitor the data when the preamble is detected.

In a possible implementation manner, the communication unit 1002 is specifically configured to: detect the preamble before the monitoring opportunity of the data and after a time position, where the distance between the time position and the monitoring opportunity of the data is G' symbols or G' time slots or H' milliseconds.

In a possible implementation manner, the communication unit 1002 is specifically configured to: monitor the data when the preamble is detected.

In a possible implementation manner, the communication unit 1002 is specifically configured to: when the preamble is detected, monitor the data after a time position, where the detection timing of the preamble is M' distance from the time position symbols or M' slots or N' milliseconds.

The aforementioned communication device may be, for example, a chip or a chip module. Regarding each device described in the above embodiments, each module included in the product may be a software module or a hardware module, or may be partly a software module and partly a hardware module. For example, for each device or product applied to or integrated in a chip, each module contained therein may be realized by hardware such as a circuit, or at least some modules may be realized by a software program, and the software program runs inside the chip. For the integrated processor, the remaining (if any) modules can be realized by means of hardware such as circuits; for each device or product applied to or integrated in a chip module, each module contained in it can be realized by means of hardware such as circuits , different modules can be located in the same component of the chip module (such as chips, circuit modules, etc.) or in different components, or at least some of the modules can be implemented in the form of software programs that run on the integrated processing of the chip module device, the remaining (if any) modules can be realized by means of hardware such as circuits; for each device or product applied to or integrated in the terminal, each module contained in it can be realized by means of hardware such as circuits, and different modules can be Located in the same component (for example, chip, circuit module, etc.) or different components in the terminal, or at least some of the modules can be implemented in the form of a software program, which runs on the processor integrated in the terminal, and the rest (if any) Some modules can be realized by hardware such as circuits.

As shown in FIG. 11 , another communication device 110 provided in the embodiment of the present application is used to realize the functions of the terminal device in FIG. 3 and FIG. 10 above. The device may be a terminal device or a device for a terminal device. The apparatus for a terminal device may be a chip system or a chip in the terminal device. Wherein, the system-on-a-chip may consist of chips, or may include chips and other discrete devices.

The communication device 110 includes at least one processor 1120, configured to implement the data processing function of the terminal device in the method provided by the embodiment of the present application. The apparatus 110 may also include a communication interface 1110, configured to implement the transceiving operation of the terminal device in the method provided by the embodiment of the present application. In the embodiment of the present application, the communication interface may be a transceiver, a circuit, a bus, a module or other types of communication interfaces for communicating with other devices through a transmission medium. For example, the communication interface 1110 is used for devices in the device 110 to communicate with other devices. The processor 1120 uses the communication interface 1110 to send and receive data, and is used to implement the method described in FIG. 3 of the above method embodiment.

Apparatus 110 may also include at least one memory 1130 for storing program instructions and/or data. The memory 1130 is coupled to the processor 1120 . The coupling in the embodiments of the present application is an indirect coupling or a communication connection between devices, units or modules, which may be in electrical, mechanical or other forms, and is used for information exchange between devices, units or modules. Processor 1120 may cooperate with memory 1130 . Processor 1120 may execute program instructions stored in memory 1130 . At least one of the at least one memory may be included in the processor.

When the device 110 is turned on, the processor 1120 can read the software program in the memory 1130, interpret and execute the instructions of the software program, and process the data of the software program. When it is necessary to send data wirelessly, the processor 1120 performs baseband processing on the data to be sent, and then outputs the baseband signal to the radio frequency circuit (not shown in the figure), and the radio frequency circuit performs radio frequency processing on the baseband signal, and passes the radio frequency signal through the antenna in the form of electromagnetic waves Send out. When data is sent to the device 110, the radio frequency circuit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor 1120, and the processor 1120 converts the baseband signal into data and processes the data deal with.

In another implementation, the radio frequency circuit and the antenna can be set independently from the processor 1120 for baseband processing. layout.

In this embodiment of the present application, a specific connection medium among the communication interface 1110, the processor 1120, and the memory 1130 is not limited. In the embodiment of the present application, in FIG. 11, the memory 1130, the processor 1120, and the communication interface 1110 are connected through the bus 1140. The bus is represented by a thick line in FIG. 11, and the connection mode between other components is only for schematic illustration. , is not limited. The bus can be divided into address bus, data bus, control bus and so on. For ease of representation, only one thick line is used in FIG. 11 , but it does not mean that there is only one bus or one type of bus.

When the apparatus 110 is specifically used for a terminal device, for example, when the apparatus 110 is specifically a chip or a chip system, what the communication interface 1110 outputs or receives may be a baseband signal. When the apparatus 110 is specifically a terminal device, what the communication interface 1110 outputs or receives may be a radio frequency signal. In this embodiment of the application, the processor may be a general-purpose processor, a digital signal processor, an application-specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component, and may implement or Execute the methods, operations and logic block diagrams disclosed in the embodiments of the present application. A general purpose processor may be a microprocessor or any conventional processor or the like. The operations of the methods disclosed in the embodiments of the present application may be directly implemented by a hardware processor, or implemented by a combination of hardware and software modules in the processor.

It should be noted that the communication device can execute the relevant steps of the terminal device or the access network device (ie, network device) in the foregoing method embodiments. For details, please refer to the implementation methods provided by the above steps, which will not be repeated here.

For each device or product applied to or integrated in a communication device, each module contained therein may be realized by hardware such as a circuit, and different modules may be located in the same component (such as a chip, a circuit module, etc.) or different components in the terminal. Alternatively, at least part of the modules may be implemented in the form of a software program, the software program runs on a processor integrated in the terminal, and the remaining (if any) modules may be implemented in hardware such as circuits.

The embodiment of the present application also provides a chip, including a processor and a communication interface. In one embodiment, the processor is configured to perform the following operations: receiving a wake-up signal; determining whether to wake up.

In another embodiment, the processor is configured to perform the following operations: detecting the first preamble and/or the second preamble; listening to data.

In a possible implementation manner, the processor is specifically configured to: detect the first preamble and the second preamble before the data monitoring opportunity; when detecting the first preamble and the During the second preamble, the data is monitored.

In a possible implementation manner, the processor is specifically configured to: detect the first preamble and the second preamble before the data monitoring opportunity and after a time position, wherein the time The location is E symbols or E time slots or F milliseconds away from the listening occasion for the data.

In a possible implementation manner, the processor is specifically configured to: detect the first preamble or the second preamble before the data monitoring opportunity; when detecting the first preamble or the During the second preamble, the data is monitored.

In a possible implementation manner, the processor is specifically configured to: detect the first preamble or the second preamble before the listening opportunity of the data and after a time position, where the time position The distance from the listening occasion for the data is G symbols or G time slots or H milliseconds.

In a possible implementation manner, the processor is specifically configured to: detect the first preamble before the data monitoring opportunity; when the first preamble is detected, detect the second preamble; When the second preamble is detected, the data is listened to.

In a possible implementation manner, the processor is specifically configured to: detect the first preamble before the listening opportunity of the data, and detect the first preamble after a time position, wherein the time position The distance from the detection opportunity of the second preamble is 1 symbol or 1 time slot or J milliseconds.

In a possible implementation manner, the processor is specifically configured to: monitor the data when the first preamble and the second preamble are detected.

In a possible implementation manner, the processor is specifically configured to: monitor the data after a time position when the first preamble and the second preamble are detected, wherein the first preamble and the second preamble The detection timing of the second preamble is K symbols or K time slots or L milliseconds away from the time position.

In a possible implementation manner, the processor is specifically configured to: monitor the data when the first preamble or the second preamble is detected.

In a possible implementation manner, the processor is specifically configured to: monitor the data after a time position when the first preamble or the second preamble is detected, wherein the first preamble or the second preamble The detection timing of the second preamble is M symbols or M time slots or N milliseconds away from the time position.

In a possible implementation manner, the processor is specifically configured to: detect the second preamble when the first preamble is detected; and monitor the data when the second preamble is detected.

In a possible implementation manner, the processor is specifically configured to: when the first preamble is detected, detect the second preamble after a time position, where the detection timing of the first preamble and the The time position is P symbols or P slots or Q milliseconds away.

In another embodiment, the processor is configured to perform the following operations: detecting a preamble; listening to data.

In a possible implementation manner, the processor is specifically configured to: detect the preamble before a monitoring opportunity of the data; and monitor the data when the preamble is detected.

In a possible implementation manner, the processor is specifically configured to: detect the preamble before the monitoring opportunity of the data and after a time position, where the time position is different from the monitoring opportunity of the data The distance is G' symbols or G' slots or H' milliseconds.

In a possible implementation manner, the processor is specifically configured to: monitor the data when the preamble is detected.

In a possible implementation manner, the processor is specifically configured to: when detecting the preamble, monitor the data after a time position, where the detection timing of the preamble is at a distance M from the time position 'symbols or M' slots or N' milliseconds.

In a possible implementation manner, the above-mentioned chip includes at least one processor, at least one first memory, and at least one second memory; wherein, the aforementioned at least one first memory and the aforementioned at least one processor are interconnected Instructions are stored in the memory; the aforementioned at least one second memory and the aforementioned at least one processor are interconnected through lines, and the aforementioned second memory stores data that needs to be stored in the aforementioned method embodiments.

For each device or product applied to or integrated in the chip, each module contained therein may be implemented by means of hardware such as circuits, or at least some of the modules may be implemented by means of software programs, which run on the internal integrated components of the chip. The processor and the remaining (if any) modules can be realized by hardware such as circuits.

As shown in FIG. 12 , FIG. 12 is a schematic structural diagram of a module device provided by an embodiment of the present application. The module device 120 can execute the relevant steps of the terminal device in the foregoing method embodiments, and the module device 120 includes: a communication module 1201 , a power module 1202 , a storage module 1203 and a chip module 1204 .

Wherein, the power supply module 1202 is used to provide electric energy for the module equipment; the storage module 1203 is used to store data and instructions; the communication module 1201 is used for internal communication of the module equipment, or for The module device communicates with external devices.

In one embodiment, the chip module 1204 is configured to: receive a wake-up signal; determine whether to be woken up.

In another embodiment, the chip module 1204 is configured to: detect the first preamble and/or the second preamble; and monitor data.

In a possible implementation manner, the chip module 1204 is specifically configured to: detect the first preamble and the second preamble before the monitoring timing of the data; when the first preamble and the second preamble are detected, During the second preamble, the data is monitored.

In a possible implementation manner, the chip module 1204 is specifically configured to: detect the first preamble and the second preamble before the monitoring timing of the data and after a time position, wherein the time position The distance from the listening occasion for the data is E symbols or E time slots or F milliseconds.

In a possible implementation manner, the chip module 1204 is specifically configured to: detect the first preamble or the second preamble before the monitoring timing of the data; when the first preamble or the second preamble is detected, During the second preamble, the data is monitored.

In a possible implementation manner, the chip module 1204 is specifically configured to: detect the first preamble or the second preamble before the monitoring timing of the data and after the time position, where the time position is the same as The distance between the listening opportunities of the data is G symbols or G time slots or H milliseconds.

In a possible implementation manner, the chip module 1204 is specifically configured to: detect the first preamble before the data monitoring opportunity; detect the second preamble when the first preamble is detected; When the second preamble is detected, the data is monitored.

In a possible implementation manner, the chip module 1204 is specifically configured to: detect the first preamble before the monitoring opportunity of the data, and detect the first preamble after a time position, wherein the time position is the same as The distance between the detection opportunities of the second preamble is I symbol or I time slot or J milliseconds.

In a possible implementation manner, the chip module 1204 is specifically configured to: monitor the data when the first preamble and the second preamble are detected.

In a possible implementation manner, the chip module 1204 is specifically configured to: when the first preamble and the second preamble are detected, monitor the data after a time position, wherein the first preamble and the second preamble The detection timing of the second preamble is K symbols or K time slots or L milliseconds away from the time position.

In a possible implementation manner, the chip module 1204 is specifically configured to: monitor the data when the first preamble or the second preamble is detected.

In a possible implementation manner, the chip module 1204 is specifically configured to: monitor the data after a time position when the first preamble or the second preamble is detected, wherein the first preamble or the second preamble The detection timing of the second preamble is M symbols or M time slots or N milliseconds away from the time position.

In a possible implementation manner, the chip module 1204 is specifically configured to: detect the second preamble when the first preamble is detected; monitor the data when the second preamble is detected.

In a possible implementation manner, the chip module 1204 is specifically configured to: when the first preamble is detected, detect the second preamble after a time position, where the detection timing of the first preamble and the The time position is P symbols or P slots or Q milliseconds away.

In another embodiment, the chip module 1204 is used to detect the preamble and monitor data.

In a possible implementation manner, the chip module 1204 is specifically configured to: detect the preamble before the monitoring opportunity of the data; and monitor the data when the preamble is detected.

In a possible implementation, the chip module 1204 is specifically configured to: detect the preamble before the monitoring opportunity of the data and after the time position, wherein the distance between the time position and the monitoring opportunity of the data It is G' symbols or G' time slots or H' milliseconds.

In a possible implementation manner, the chip module 1204 is specifically configured to: monitor the data when the preamble is detected.

In a possible implementation manner, the chip module 1204 is specifically configured to: when the preamble is detected, monitor the data after the time position, where the detection timing of the preamble is at a distance M' from the time position symbols or M' time slots or N' milliseconds.

For each device or product applied to or integrated in a chip module, each module contained therein may be realized by hardware such as a circuit, and different modules may be located in the same component of the chip module (such as a chip, a circuit module, etc.) or Among the different components, or at least some of the modules can be realized by means of a software program, the software program runs on the processor integrated in the chip module, and the remaining (if any) parts of the modules can be realized by means of hardware such as circuits.

The embodiment of the present application also provides a computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the instruction is run on a processor, the method flow of the above-mentioned method embodiment is realized.

For each device or product applied to or integrated in a chip module, each module contained therein may be realized by hardware such as a circuit, and different modules may be located in the same component of the chip module (such as a chip, a circuit module, etc.) or Among the different components, or at least some of the modules can be realized by means of a software program, the software program runs on the processor integrated in the chip module, and the remaining (if any) parts of the modules can be realized by means of hardware such as circuits. The embodiment of the present application also provides a computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the instruction is run on a processor, the method flow of the above-mentioned method embodiment is implemented.

The embodiment of the present application further provides a computer program product. When the computer program product is run on a processor, the method flow of the above method embodiment is realized.

It should be noted that for the foregoing method embodiments, for the sake of simple description, they are expressed as a series of action combinations, but those skilled in the art should know that the present application is not limited by the described action sequence. Because of this application, certain operations may be performed in other orders or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification belong to preferred embodiments, and the actions and modules involved are not necessarily required by this application.

The descriptions of the various embodiments provided in this application can refer to each other, and the descriptions of each embodiment have their own emphases. For the parts that are not described in detail in a certain embodiment, you can refer to the relevant descriptions of other embodiments. For the convenience and brevity of description, for example, regarding the functions and operations of the various devices and devices provided in the embodiments of the present application, reference may be made to the relevant descriptions of the method embodiments of the present application. May be cross-referenced, combined or cited.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, rather than limiting them; although the application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present application. scope.

Claims

A communication method, characterized in that the method comprises:

Receive a wake-up signal;

Determine whether to wake up.
The method according to claim 1, wherein the wake-up signal includes cell identification information.
The method according to claim 2, wherein the wake-up signal includes data, and the sequence generator or initial sequence of the scrambling code of the data contains the cell identification information.
The method according to claim 2, wherein the wake-up signal includes data, and the data includes the cell identification information.
The method according to claim 2, wherein the wake-up signal includes data, and the cyclic redundancy check (CRC) of the data is scrambled by the cell identification information.
The method according to claim 2, wherein the wake-up signal includes a first preamble, and a sequence generator or an initial sequence of the first preamble includes the cell identification information.
The method according to claim 2, wherein the wake-up signal includes a second preamble, and a sequence generator or an initial sequence of the second preamble includes the cell identity information.
The method according to claim 2, wherein the wake-up signal includes a second preamble, and the second preamble includes a first sequence and a second sequence, wherein the first sequence is a sequence of all 0s, and the The sequence generator of the second sequence or the initial sequence includes the cell identity information.
The method according to any one of claims 2-8, wherein the cell identity information is a cell identity.
The method according to any one of claims 2-8, wherein the cell identity information is a part of the cell identity.
The method according to claim 10, characterized in that part of the cell identity is the cell identity carried by the primary synchronization signal (PSS).
The method according to any one of claims 2-8, wherein the cell identity information is a cell identity configured by a high layer parameter.
The method according to claim 2, wherein the wake-up signal includes a first preamble and a second preamble, and the cell identification information includes first cell identification information and second cell identification information;

The sequence generator or initial sequence of the first preamble includes the first cell identity information;

The sequence generator or the initial sequence of the second preamble includes the second cell identity information.
The method according to claim 13, wherein the first cell identity information includes a part of the cell identity, and the second cell identity information includes another part of the cell identity.
The method according to claim 13, wherein the first cell identity information includes a first identity of the cell configured by high-layer parameters, and the second cell identity information includes a second identity of the cell configured by high-layer parameters.
The method according to claim 1, wherein the wake-up signal includes terminal equipment subgroup information.
The method according to claim 16, wherein the wake-up signal includes data, and the data includes information of the terminal equipment subgroup.
The method according to claim 17, wherein the terminal equipment subgroup information includes one or more bits.
The method according to claim 17, characterized in that the start position and length of the terminal equipment subgroup information in the data are configured by high-level parameters.
The method according to claim 16, wherein the wake-up signal includes data, and the cyclic redundancy check (CRC) of the data includes the subgroup information of the terminal equipment.
The method according to claim 20, characterized in that the CRC of the data is scrambled by a sequence containing the subgroup information of the terminal equipment.
The method according to claim 16, wherein the wake-up signal includes data, the subgroup of terminal equipment includes a first subgroup of terminal equipment and a second subgroup of terminal equipment, and the second subgroup of terminal equipment is A subset of the first terminal device subgroup, the terminal device subgroup information includes the first terminal device subgroup information corresponding to the first terminal device subgroup and the second terminal device subgroup corresponding to the second terminal device subgroup terminal equipment subgroup information;

The data includes the first terminal device subgroup information, and the CRC of the data includes the second terminal device subgroup information.
The method according to claim 22, characterized in that the CRC of the data is scrambled by a sequence containing information of the second subgroup of terminal devices.
A communication method, characterized in that the method comprises:

detecting the first preamble and/or the second preamble;

Monitor data.
The method according to claim 24, wherein the detecting the first preamble and/or the second preamble; monitoring data comprises:

detecting the first preamble and the second preamble before a listening occasion for the data;

Listening to the data when the first preamble and the second preamble are detected.
The method according to claim 25, wherein the detecting the first preamble and the second preamble comprises:

Detecting the first preamble and the second preamble before the listening opportunity of the data and after a time position, wherein the distance between the time position and the listening opportunity of the data is E symbols or E hours Gap or F ms.
The method according to claim 24, wherein the detecting the first preamble and/or the second preamble; monitoring data comprises:

detecting the first preamble or the second preamble before a listening occasion for the data;

Listening to the data when the first preamble or the second preamble is detected.
The method according to claim 27, wherein said detecting said second preamble comprises:

Detecting the first preamble or the second preamble before the listening opportunity of the data and after a time position, wherein the distance between the time position and the listening opportunity of the data is G symbols or G time slots or H milliseconds.
The method according to claim 24, wherein detecting the first preamble and/or the second preamble; monitoring data includes:

detecting the first preamble before a listening opportunity for the data;

detecting the second preamble when the first preamble is detected;

When the second preamble is detected, the data is listened to.
The method according to claim 29, wherein the detecting the first preamble comprises:

The first preamble is detected before the listening opportunity of the data, and the first preamble is detected after the time position, wherein the distance between the time position and the detection opportunity of the second preamble is 1 symbol or 1 time slot or J milliseconds.
The method according to claim 24, wherein the detecting the first preamble and/or the second preamble; monitoring data comprises:

Listening to the data when the first preamble and the second preamble are detected.
The method according to claim 31, wherein said monitoring said data comprises:

When the first preamble and the second preamble are detected, the data is monitored after a time position, wherein the detection timing and the time position of the first preamble and the second preamble are K symbols away from the time position Or K slots or L milliseconds.
The method according to claim 24, wherein the detecting the first preamble and/or the second preamble; monitoring data comprises:

Listening to the data when the first preamble or the second preamble is detected.
The method according to claim 33, wherein said monitoring said data comprises:

When the first preamble or the second preamble is detected, the data is monitored after a time position, wherein the detection timing of the first preamble or the second preamble is M symbols away from the time position Or M slots or N milliseconds.
The method according to claim 24, wherein detecting the first preamble and/or the second preamble; and monitoring data includes:

detecting the second preamble when the first preamble is detected;

When the second preamble is detected, the data is listened to.
The method according to claim 35, wherein the detecting the second preamble comprises:

When the first preamble is detected, the second preamble is detected after a time position, wherein the detection timing of the first preamble is P symbols or P time slots or Q milliseconds away from the time position.
A communication device, characterized by comprising a unit for implementing the method in any one of claims 1-36.
A communication device, characterized in that it includes a processor and a transceiver;

The transceiver is used to receive or send signals;

The processor is configured to execute the method according to any one of claims 1-36.
The communication device according to claim 38, further comprising a memory:

The memory is used to store computer programs;

The processor is specifically configured to call the computer program from the memory, so that the communication device executes the method according to any one of claims 1-36.
A chip, characterized in that,

The chip is configured to receive a wake-up signal;

The chip is also used to determine whether to wake up.
A chip, characterized in that,

The chip is configured to detect the first preamble and/or the second preamble;

The chip is also used to monitor data.
A module device, characterized in that the module device includes a communication module, a power supply module, a storage module and a chip module, wherein:

The power supply module is used to provide electric energy for the module equipment;

The storage module is used to store data and instructions;

The communication module is used for internal communication of the module equipment, or for the communication between the module equipment and external equipment;

The chip module is used for:

Receive a wake-up signal;

Determine whether to wake up.
A module device, characterized in that the module device includes a communication module, a power supply module, a storage module, and a chip module, wherein:

The power supply module is used to provide electric energy for the module equipment;

The storage module is used to store data and instructions;

The communication module is used for internal communication of the module equipment, or for the communication between the module equipment and external equipment;

The chip module is used for:

detecting the first preamble and/or the second preamble;

Monitor data.
A computer-readable storage medium, wherein computer-readable instructions are stored in the computer-readable storage medium, and when the computer-readable instructions are run on a communication device, the communication device is made to execute claim 1 The method described in any one of ~36.