Wake-up signal transmission method and device, and storage medium
Patent Information
- Application Number
- CN202480000205.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-03
- Publication Date
- 2025-09-05
AI Technical Summary
Existing wireless communication systems face challenges in efficiently managing terminal device power consumption through wake-up signals, as current methods lack flexibility and reliability in transmitting wake-up information.
A method for transmitting wake-up signals through a first resource that can include symbols or sequences within a defined time range, allowing for flexible and reliable communication by configuring the resource based on predefined rules or network device configurations, supporting various modulation techniques like OOK and OFDM, and grouping terminals with compatible capabilities.
Enhances the flexibility and reliability of wake-up signal transmission, reducing power consumption by optimizing the use of wake-up signals for terminal devices, thereby improving power management in wireless communication systems.
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Figure CN120604579A_ABST
Abstract
Description
Wake-up signal transmission method, device and storage medium Technical Field
[0001] The present disclosure relates to the field of communication technologies, and in particular to a wake-up signal transmission method, device, and storage medium. Background Art
[0002] In wireless communication systems, to reduce the power consumption of terminal devices, the 3rd Generation Partnership Project (3GPP) introduced a wake-up signal (WUS). The wake-up signal can be a low-power detection signal. For example, the wake-up signal can also be called a low-power wake-up signal (LP WUS). If the terminal device detects the wake-up signal, it can monitor the physical downlink control channel (PDCCH). If the terminal device does not detect the wake-up signal, it can skip monitoring the PDCCH, thereby entering a low-power sleep state and reducing the power consumption of the terminal device.
[0003] Summary of the Invention
[0004] The embodiments of the present disclosure provide a wake-up signal transmission method, device, and storage medium.
[0005] According to a first aspect of an embodiment of the present disclosure, a wake-up signal transmission method is proposed, which is performed by a terminal device. The method includes:
[0006] A wake-up signal sent by a network device is received, where the wake-up signal carries wake-up information through a first resource.
[0007] According to a second aspect of an embodiment of the present disclosure, a wake-up signal transmission method is proposed, which is performed by a network device. The method includes:
[0008] A wake-up signal is sent to the terminal device, where the wake-up signal carries the wake-up information through the first resource.
[0009] According to a third aspect of an embodiment of the present disclosure, a terminal device is provided, including:
[0010] The transceiver module is configured to receive a wake-up signal sent by a network device, where the wake-up signal carries wake-up information via a first resource.
[0011] According to a fourth aspect of an embodiment of the present disclosure, a network device is provided, including:
[0012] The transceiver module is configured to send a wake-up signal to the terminal device, where the wake-up signal carries the wake-up information through the first resource.
[0013] According to a fifth aspect of an embodiment of the present disclosure, a communication device is proposed, comprising: one or more processors; wherein the communication device can be used to execute an optional implementation of the first aspect or the second aspect.
[0014] According to a sixth aspect of an embodiment of the present disclosure, a storage medium is proposed, which stores instructions. When the instructions are executed on a communication device, the communication device executes the method described in the optional implementation of the first aspect or the second aspect.
[0015] According to the seventh aspect of an embodiment of the present disclosure, a communication system is proposed, which may include: a terminal device and a network device; wherein the terminal device is configured to execute the method described in the optional implementation manner of the first aspect, and the network device is configured to execute the method described in the optional implementation manner of the second aspect.
[0016] The technical solution provided by the embodiment of the present disclosure may have the following beneficial effects: receiving a wake-up signal sent by a network device, wherein the wake-up signal carries information via a first resource. In this way, the wake-up information can be carried via the first resource, thereby improving the flexibility and reliability of the wake-up information transmission.
[0017] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the following drawings required for describing the embodiments are introduced. The following drawings are merely some embodiments of the present disclosure and do not impose specific limitations on the protection scope of the present disclosure.
[0019] FIG1 is a schematic diagram showing the architecture of a communication system according to an embodiment of the present disclosure.
[0020] FIG2A is an interactive schematic diagram illustrating a method for transmitting a wake-up signal according to an embodiment of the present disclosure.
[0021] FIG2B is a schematic diagram showing a first time range according to an embodiment of the present disclosure.
[0022] FIG2C is a schematic diagram showing a first time range according to an embodiment of the present disclosure.
[0023] FIG2D is a schematic diagram showing a first time range according to an embodiment of the present disclosure.
[0024] FIG2E is a schematic diagram showing a symbol pattern according to an embodiment of the present disclosure.
[0025] FIG2F is a schematic diagram showing a symbol pattern according to an embodiment of the present disclosure.
[0026] FIG2G is a schematic diagram showing a symbol pattern according to an embodiment of the present disclosure.
[0027] FIG2H is a schematic diagram showing a symbol pattern according to an embodiment of the present disclosure.
[0028] FIG2I is a schematic diagram showing a symbol pattern according to an embodiment of the present disclosure.
[0029] FIG2J is a schematic diagram showing a symbol pattern according to an embodiment of the present disclosure.
[0030] FIG2K is an interactive schematic diagram illustrating a method for transmitting a wake-up signal according to an embodiment of the present disclosure.
[0031] FIG3A is a schematic flow chart of a method for transmitting a wake-up signal according to an embodiment of the present disclosure.
[0032] FIG3B is a schematic flow chart of a method for transmitting a wake-up signal according to an embodiment of the present disclosure.
[0033] FIG4A is a schematic flow chart showing a method for transmitting a wake-up signal according to an embodiment of the present disclosure.
[0034] FIG4B is a schematic flow chart of a method for transmitting a wake-up signal according to an embodiment of the present disclosure.
[0035] FIG5A is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure.
[0036] FIG5B is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
[0037] FIG6A is a schematic structural diagram of a communication device according to an embodiment of the present disclosure.
[0038] FIG6B is a schematic structural diagram of a chip according to an embodiment of the present disclosure. DETAILED DESCRIPTION
[0039] The embodiments of the present disclosure provide a wake-up signal transmission method, device, and storage medium.
[0040] A wake-up signal sent by a network device is received, where the wake-up signal carries wake-up information through a first resource.
[0041] In a first aspect, an embodiment of the present disclosure provides a wake-up signal transmission method, the method comprising:
[0042] In the above embodiment, the wake-up information can be carried by the first resource, thereby improving the flexibility and reliability of the wake-up signal transmission.
[0043] In conjunction with some embodiments of the first aspect, in some embodiments, the first resource includes at least one of the following:
[0044] a first symbol, where the first symbol is a symbol determined based on a symbol pattern, or the first symbol is a symbol within a first time range;
[0045] a first sequence, wherein the first sequence is a time domain or frequency domain sequence within a first time range;
[0046] The first time range is a full set or a subset of the duration lengths of the wake-up signal.
[0047] In the above embodiment, the wake-up information may be carried by the first symbol and / or the first sequence, thereby improving the flexibility and reliability of the wake-up signal transmission.
[0048] In conjunction with some embodiments of the first aspect, in some embodiments, the method further includes at least one of the following:
[0049] Determine the first resource according to a first rule, where the first rule is a protocol agreement;
[0050] First information sent by a network device is received, where the first information is used to configure the first resource.
[0051] In the above embodiment, the first resource may be determined according to the first rule and / or the configuration of the network device, so that the first resource for carrying the wake-up information may be flexibly configured.
[0052] In combination with some embodiments of the first aspect, in some embodiments, the symbol pattern is a pattern randomly generated by the network device.
[0053] In the above embodiment, the first resource carrying the wake-up information may be determined by a random pattern.
[0054] In combination with some embodiments of the first aspect, in some embodiments, the wake-up signal includes at least one of a preamble, data, and a check code.
[0055] In the above embodiment, the terminal device may be awakened or the sleep state of the terminal device may be changed by at least one of the preamble, data, and check code in the awakening signal.
[0056] In conjunction with some embodiments of the first aspect, in some embodiments, the first resource is used to carry at least one of the following:
[0057] the preamble;
[0058] said data;
[0059] The verification code;
[0060] Part of the content of the preamble;
[0061] Part of the data;
[0062] Part of the verification code.
[0063] In the above embodiment, part or all of the contents of the wake-up information can be flexibly carried by the first resource.
[0064] In conjunction with some embodiments of the first aspect, in some embodiments, the first resource includes a first symbol and a first sequence, the first symbol carries one or both of the following information, and the first sequence carries the remaining information in the first symbol-carrying signal:
[0065] the preamble;
[0066] said data;
[0067] The verification code.
[0068] In the above embodiment, part or all of the contents of the wake-up signal may not be carried in the first resource.
[0069] In combination with some embodiments of the first aspect, in some embodiments, the symbol pattern is used to indicate the time domain arrangement of ON symbols and OFF symbols within a first time range.
[0070] In the above embodiment, the first resource carrying the wake-up information may be determined by a symbol pattern.
[0071] In conjunction with some embodiments of the first aspect, in some embodiments, the symbol pattern is used to indicate any one of the following:
[0072] All symbols within the first time range are ON symbols;
[0073] The symbols within the first time range are partly ON symbols and partly OFF symbols, and the number of the ON symbols is equal to the number of the OFF symbols;
[0074] Some of the symbols within the first time range are ON symbols, and some are OFF symbols, and the number of the ON symbols is not equal to the number of the OFF symbols.
[0075] In the above embodiment, the first resource carrying the wake-up information can be determined by any symbol pattern.
[0076] In conjunction with some embodiments of the first aspect, in some embodiments, the wake-up information is any one of the following:
[0077] A first type of wake-up information, wherein the first type of wake-up information is based on an on-off keying (OOK) modulation mode;
[0078] The second type of wake-up information is based on an orthogonal frequency division multiplexing (OFDM) modulation scheme;
[0079] The third type of wake-up information is based on an OOK modulation scheme and an OFDM modulation scheme.
[0080] In the above embodiment, by classifying the wake-up signal, the OOK modulation mode and / or the OFDM modulation mode can be supported, thereby improving the flexibility of the wake-up signal transmission.
[0081] In conjunction with some embodiments of the first aspect, in some embodiments, the carrying manner of the wake-up information includes at least one of the following:
[0082] Carrying the first type of wake-up information by using the first symbol of the first resource;
[0083] Carrying the second type of wake-up information through the first sequence of the first resource;
[0084] The third type of wake-up information is carried by the first sequence of the first resource.
[0085] In the above embodiment, different types of wake-up signals may be carried by the first symbol and / or the first sequence.
[0086] In conjunction with some embodiments of the first aspect, in some embodiments, the wake-up signal corresponds to a terminal set, and the terminal set includes at least one terminal device; wherein,
[0087] The terminal devices included in a terminal set have the same first capability, and the first capability is used to indicate whether the terminal device can receive the second type of wake-up information and / or the third type of wake-up information.
[0088] In the above embodiment, the terminal devices may be grouped according to the first capability of the terminal devices, so that the wake-up signal may be transmitted in groups, thereby improving the efficiency and reliability of the wake-up signal transmission.
[0089] In a second aspect, an embodiment of the present disclosure provides a wake-up signal transmission method, the method comprising:
[0090] A wake-up signal is sent to the terminal device, where the wake-up signal carries the wake-up information through the first resource.
[0091] In the above embodiment, the wake-up information can be carried by the first resource, thereby improving the flexibility and reliability of the wake-up signal transmission.
[0092] In conjunction with some embodiments of the second aspect, in some embodiments, the first resource includes at least one of the following:
[0093] a first symbol, where the first symbol is a symbol determined based on a symbol pattern, or the first symbol is a symbol within a first time range;
[0094] a first sequence, wherein the first sequence is a time domain or frequency domain sequence within a first time range;
[0095] The first time range is a full set or a subset of the duration lengths of the wake-up signal.
[0096] In conjunction with some embodiments of the second aspect, in some embodiments, the method further includes at least one of the following:
[0097] Determine the first resource according to a first rule, where the first rule is a protocol agreement;
[0098] Sending first information to a terminal device, where the first information is used to configure the first resource.
[0099] In combination with some embodiments of the second aspect, in some embodiments, the symbol pattern is a pattern randomly generated by a network device.
[0100] In combination with some embodiments of the second aspect, in some embodiments, the wake-up signal includes at least one of a preamble code, data, and a check code.
[0101] In conjunction with some embodiments of the second aspect, in some embodiments, the first resource is used to carry at least one of the following:
[0102] the preamble;
[0103] said data;
[0104] The verification code;
[0105] Part of the content of the preamble;
[0106] Part of the data;
[0107] Part of the verification code.
[0108] In conjunction with some embodiments of the second aspect, in some embodiments, the first resource includes a first symbol and a first sequence, the first symbol carries one or both of the following information, and the first sequence carries the remaining information in the first symbol-carrying signal:
[0109] the preamble;
[0110] said data;
[0111] The verification code.
[0112] In combination with some embodiments of the second aspect, in some embodiments, the symbol pattern is used to indicate the time domain arrangement of ON symbols and OFF symbols within a first time range.
[0113] In conjunction with some embodiments of the second aspect, in some embodiments, the symbol pattern is used to indicate any one of the following:
[0114] All symbols within the first time range are ON symbols;
[0115] The symbols within the first time range are partly ON symbols and partly OFF symbols, and the number of the ON symbols is equal to the number of the OFF symbols;
[0116] Some of the symbols within the first time range are ON symbols, and some are OFF symbols, and the number of the ON symbols is not equal to the number of the OFF symbols.
[0117] In conjunction with some embodiments of the second aspect, in some embodiments, the wake-up information is any one of the following:
[0118] A first type of wake-up information, wherein the first type of wake-up information is based on an on-off keying (OOK) modulation mode;
[0119] The second type of wake-up information is based on an orthogonal frequency division multiplexing (OFDM) modulation method;
[0120] The third type of wake-up information is based on an OOK modulation scheme and an OFDM modulation scheme.
[0121] In conjunction with some embodiments of the second aspect, in some embodiments, the carrying manner of the wake-up information includes at least one of the following:
[0122] Carrying the first type of wake-up information by using the first symbol of the first resource;
[0123] Carrying the second type of wake-up information through the first sequence of the first resource;
[0124] The third type of wake-up information is carried by the first sequence of the first resource.
[0125] In conjunction with some embodiments of the second aspect, in some embodiments, the wake-up signal corresponds to a terminal set, and the terminal set includes at least one terminal device; wherein,
[0126] The terminal devices included in a terminal set have the same first capability, and the first capability is used to indicate whether the terminal device can receive the second type of wake-up information and / or the third type of wake-up information.
[0127] In a third aspect, an embodiment of the present disclosure proposes a terminal device, which may include at least one of a transceiver module and a processing module; wherein the terminal device can be used to execute the optional implementation method of the first aspect.
[0128] In a fourth aspect, an embodiment of the present disclosure proposes a network device, which may include at least one of a transceiver module and a processing module; wherein the network device can be used to execute the optional implementation method of the second aspect.
[0129] In a fifth aspect, an embodiment of the present disclosure proposes a communication device, which may include: one or more processors; wherein the communication device can be used to execute an optional implementation of the first aspect or the second aspect.
[0130] In a sixth aspect, an embodiment of the present disclosure proposes a storage medium storing instructions, which, when executed on a communication device, enables the communication device to execute the method described in the optional implementation manner of the first aspect or the second aspect.
[0131] In a seventh aspect, an embodiment of the present disclosure proposes a program product, which, when executed by a communication device, enables the communication device to execute the method described in the optional implementation manner of the first aspect or the second aspect.
[0132] In an eighth aspect, an embodiment of the present disclosure proposes a computer program, which, when executed on a computer, enables the computer to execute the method described in the optional implementation of the first or second aspect.
[0133] In a ninth aspect, an embodiment of the present disclosure provides a chip or a chip system, wherein the chip or chip system includes a processing circuit configured to execute the method described in the optional implementation of the first aspect or the second aspect.
[0134] In the tenth aspect, an embodiment of the present disclosure proposes a communication system, which may include: a terminal device and a network device; wherein, the terminal device is configured to execute the method described in the optional implementation manner of the first aspect, and the network device is configured to execute the method described in the optional implementation manner of the second aspect.
[0135] It is understandable that the above-mentioned terminal devices, network devices, communication devices, communication systems, storage media, program products, computer programs, chips, or chip systems can all be used to perform the methods proposed in the embodiments of the present disclosure. Therefore, the beneficial effects that can be achieved can refer to the beneficial effects of the corresponding methods and will not be repeated here.
[0136] The present disclosure provides a wake-up signal transmission method, device, and storage medium. In some embodiments, the terms "wake-up signal transmission method" and "information processing method" and "communication method" are interchangeable; "wake-up signal transmission device" and "information processing device" and "communication device" are interchangeable; and "information processing system" and "communication system" are interchangeable.
[0137] The embodiments of the present disclosure are not exhaustive and are merely illustrative of some embodiments, and are not intended to be a specific limitation on the scope of protection of the present disclosure. In the absence of contradiction, each step in a certain embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined. For example, a solution after removing some steps in a certain embodiment can also be implemented as an independent embodiment, and the order of the steps in a certain embodiment can be arbitrarily exchanged. In addition, the optional implementation methods in a certain embodiment can be arbitrarily combined; in addition, the embodiments can be arbitrarily combined. For example, some or all steps of different embodiments can be arbitrarily combined, and a certain embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.
[0138] In each embodiment of the present disclosure, unless otherwise specified or provided for by logic, the terms and / or descriptions between the embodiments are consistent and can be referenced by each other. The technical features in different embodiments can be combined to form a new embodiment based on their inherent logical relationships.
[0139] The terms used in the embodiments of the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure.
[0140] In the embodiments of the present disclosure, unless otherwise specified, elements expressed in the singular, such as "a", "an", "the", "above", "said", "the", "the", etc., may mean "one and only one", or "one or more", "at least one", etc. For example, when using articles such as "a", "an", "the" in English in translation, the noun following the article may be understood as a singular expression or a plural expression.
[0141] In some embodiments, "plurality" may refer to two or more.
[0142] In some embodiments, the terms "at least one," "one or more," "a plurality of," "multiple," etc. may be used interchangeably.
[0143] In some embodiments, descriptions such as "at least one of A and B," "A and / or B," "A in one case, B in another case," or "in response to one case A, in response to another case B" may include the following technical solutions depending on the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed); and in some embodiments, A and B (both A and B are executed). The above is also applicable when there are more branches such as A, B, and C.
[0144] In some embodiments, "A or B" and other descriptions may include the following technical solutions depending on the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed). The above is similar when there are more branches such as A, B, C, etc.
[0145] The prefixes such as "first" and "second" in the embodiments of the present disclosure are only used to distinguish different description objects and do not constitute any restriction on the position, order, priority, quantity or content of the description objects. For the statement of the description object, please refer to the description in the context of the claims or embodiments, and no unnecessary restriction should be constituted due to the use of prefixes. For example, if the description object is a "field", the ordinal number before the "field" in the "first field" and the "second field" does not limit the position or order between the "fields". "First" and "second" do not limit whether the "fields" they modify are in the same message, nor do they limit the order of the "first field" and the "second field". For another example, if the description object is a "level", the ordinal number before the "level" in the "first level" and the "second level" does not limit the priority between the "levels". For another example, the number of description objects is not limited by the ordinal number and can be one or more. Taking "first device" as an example, the number of "devices" can be one or more. In addition, the objects modified by different prefixes can be the same or different. For example, if the description object is "device", then the "first device" and the "second device" can be the same device or different devices, and their types can be the same or different; for another example, if the description object is "information", then the "first information" and the "second information" can be the same information or different information, and their contents can be the same or different.
[0146] In some embodiments, “including A,” “comprising A,” “used to indicate A,” and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.
[0147] In some embodiments, terms such as "in response to...", "in response to determining...", "in the case of...", "at the time of...", "when...", "if...", "if...", etc. can be used interchangeably.
[0148] In some embodiments, terms such as "greater than", "greater than or equal to", "not less than", "more than", "more than or equal to", "not less than", "higher than", "higher than or equal to", "not less than", and "above" can be replaced with each other, and terms such as "less than", "less than or equal to", "not greater than", "less than", "less than or equal to", "not more than", "lower than", "lower than or equal to", "not higher than", and "below" can be replaced with each other.
[0149] In some embodiments, devices and the like may be interpreted as physical or virtual, and their names are not limited to those described in the embodiments. Terms such as "device," "equipment," "device," "circuit," "network element," "node," "function," "unit," "section," "system," "network," "chip," "chip system," "entity," and "subject" may be used interchangeably.
[0150] In some embodiments, "network" can be interpreted as devices included in the network (eg, network equipment, access network equipment, core network equipment, etc.).
[0151] In some embodiments, the network device may include at least one of an access network device and a core network device.
[0152] In some embodiments, the terms "Access Network Device (AN Device)", "Radio Access Network Device (RAN Device)", "Base Station (BS)", "Radio Base Station (Radio Base Station)", "Fixed Station (Fixed Station)", "Node (Node)", "Access Point (Access Point)", "Transmission Point (TP)", "Reception Point (RP)", "Transmission and / or Reception Point (TRP))", "Panel (Panel)", "Antenna Panel (Antenna Panel)", "Antenna Array (Antenna Array)" "Cell (Cell)", "Macro Cell (Macro Cell)", "Small Cell (Small Cell)", "Femto Cell (Femto Cell)", "Pico Cell (Pico Cell)" "Sector (Sector)", "Cell Group (Cell Group)", "Serving Cell (Cell)", "Carrier (Carrier)", "Component Carrier (Component Carrier)", "Bandwidth Part (BWP)" and the like may be used interchangeably.
[0153] In some embodiments, the terms "terminal", "terminal device", "terminal side device", "user equipment (UE)", "user terminal" "mobile station (MS)", "mobile terminal (MT)", subscriber station (Subscriber Station), mobile unit (Mobile Unit), subscriber unit (Subscriber Unit), wireless unit (Wireless Unit), remote unit (Remote Unit), mobile device (Mobile Device), wireless device (Wireless Device), wireless communication device (Wireless Communication Device), remote device (Remote Device), mobile subscriber station (Mobile Subscriber Station), access terminal (Access Terminal), mobile terminal (Mobile Terminal), wireless terminal (Wireless Terminal), remote terminal (Remote Terminal), handset (Handset), user agent (User Agent), mobile client (Mobile Client), client (Client) and the like can be used interchangeably.
[0154] In some embodiments, the access network device, the core network device, or the network device can be replaced by a terminal device. For example, the various embodiments of the present disclosure can also be applied to a structure in which the communication between the access network device, the core network device, or the network device and the terminal device is replaced by the communication between multiple terminal devices (for example, device-to-device (D2D), vehicle-to-everything (V2X), etc.). In this case, it is also possible to set the structure in which the terminal device has all or part of the functions of the access network device. In addition, terms such as "uplink" and "downlink" can also be replaced by terms corresponding to communication between terminal devices (for example, "side"). For example, uplink channels, downlink channels, etc. can be replaced by side channels or direct channels, and uplinks, downlinks, etc. can be replaced by side links or direct links.
[0155] In some embodiments, the terminal device may be replaced by an access network device, a core network device, or a network device. In this case, the access network device, the core network device, or the network device may have a structure that has all or part of the functions of the terminal device.
[0156] In some embodiments, obtaining data, information, etc. may comply with the laws and regulations of the country where the data is obtained.
[0157] In some embodiments, data, information, etc. may be obtained with the user's consent.
[0158] In addition, each element, each row, or each column in the table of the embodiment of the present disclosure can be implemented as an independent embodiment, and the combination of any elements, any rows, and any columns can also be implemented as an independent embodiment.
[0159] FIG1 is a schematic diagram illustrating an architecture of a communication system according to an embodiment of the present disclosure. As shown in FIG1 , the communication system 100 may include a terminal device 101 and a network device 102 .
[0160] In some embodiments, the terminal device 101 may include at least one of a mobile phone, a wearable device, an Internet of Things device, a car with communication function, a smart car, a vehicle-mounted terminal, a tablet computer, a computer with wireless transceiver function, a road side unit (RSU), a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in smart grid, a wireless terminal device in transportation safety, a wireless terminal device in smart city, and a wireless terminal device in smart home, but is not limited thereto.
[0161] In some embodiments, the network device 102 may include at least one of an access network device and a core network device.
[0162] In some embodiments, the access network device may be a node or device that accesses the terminal device to the wireless network. The access network device may include an evolved NodeB (eNB), a next generation evolved NodeB (ng-eNB), a next generation NodeB (gNB), a node B (NB), a home node B (HNB), a home evolved nodeB (HeNB), a wireless backhaul device, a radio network controller (RNC), a base station controller (BSC), a base transceiver station (BTS), a base band unit (BBU), a mobile switching center, a base station in a 6G communication system, an open base station (Open RAN), a cloud base station (Cloud RAN), a base station in other communication systems, and at least one of an access node in a Wi-Fi system, but is not limited thereto.
[0163] In some embodiments, the technical solution of the present disclosure can be applied to the Open RAN architecture. In this case, the interfaces between or within the access network devices involved in the embodiments of the present disclosure can be transformed into internal interfaces of the Open RAN, and the processes and information interactions between these internal interfaces can be implemented through software or programs.
[0164] In some embodiments, the access network device can be composed of a centralized unit (CU) and a distributed unit (DU), where the CU can also be called a control unit (Control Unit). The CU-DU structure can be used to split the protocol layer of the access network device, with the functions of some protocol layers centrally controlled by the CU, and the functions of the remaining part or all of the protocol layers distributed in the DU, which is centrally controlled by the CU, but is not limited to this.
[0165] In some embodiments, the core network device may be a single device, or may be multiple devices or a group of devices. The core network may include at least one of an Evolved Packet Core (EPC), a 5G Core Network (5GCN), and a Next Generation Core (NGC).
[0166] It can be understood that the communication system described in the embodiment of the present disclosure is to more clearly illustrate the technical solution of the embodiment of the present disclosure, and does not constitute a limitation on the technical solution proposed in the embodiment of the present disclosure. Ordinary technicians in this field can know that with the evolution of system architecture and the emergence of new business scenarios, the technical solution proposed in the embodiment of the present disclosure is also applicable to similar technical problems.
[0167] The following embodiments of the present disclosure may be applied to the communication system 100 shown in FIG1 , or a portion thereof, but are not limited thereto. The entities shown in FIG1 are examples. The communication system may include all or part of the entities shown in FIG1 , or may include other entities outside of FIG1 . The number and form of the entities are arbitrary, and the entities may be physical or virtual. The connection relationship between the entities is an example. The entities may be connected or disconnected, and the connection may be in any manner, including direct or indirect, wired or wireless.
[0168] The embodiments of the present disclosure may be applied to Long Term Evolution (LTE), LTE-Advanced (LTE-A), LTE-Beyond (LTE-B), SUPER 3G, IMT-Advanced, 4th generation mobile communication system (4G), 5th generation mobile communication system (5G), 5G New Radio (NR), Future Radio Access (FRA), New-Radio Access Technology (RAT), New Radio (NR), New Radio Access (NX), Future generation radio access (FX), Global System for Mobile communications (GSM (registered trademark)), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE 802.17 (WiMAX (registered trademark)), IEEE 802.18 (WiMAX (registered trademark)), IEEE 802.19 (WiMAX (registered trademark)), IEEE 802.20 (WiMAX (registered trademark)), IEEE 802.21 (WiMAX (registered trademark)), IEEE 802.22 (WiMAX (registered trademark)), IEEE 802.23 (WiMAX (registered trademark)), IEEE 802.24 (WiMAX (registered trademark)), IEEE 802.25 (WiMAX (registered trademark)), IEEE 802.26 (WiMAX (registered trademark)), IEEE 802.27 (WiMAX (registered trademark)), IEEE 802.28 (WiMAX (registered trademark)), IEEE 802.29 (WiMAX (registered trademark)), IEEE 802.30 (WiMAX (registered trademark)), IEEE 802.31 (WiMAX (registered trademark)), IEEE 802.32 (WiMAX (registered trademark)), IEEE 802.33 (WiMAX (registered trademark)), 802.20, Ultra-WideBand (UWB), Bluetooth (registered trademark), Public Land Mobile Network (PLMN) networks, Device-to-Device (D2D) systems, Machine-to-Machine (M2M) systems, Internet of Things (IoT) systems, Vehicle-to-Everything (V2X), systems utilizing other communication methods, and next-generation systems based on and extending these methods. Furthermore, multiple systems may be combined (for example, a combination of LTE or LTE-A with 5G).
[0169] In some embodiments of the present disclosure, the above-mentioned communication system may support a power saving function. For example, the terminal device may be a terminal device that supports the power saving function. For example, when no data is being sent or received, the terminal device may be in a sleep state of varying degrees. In one implementation, the sleep state of the terminal device may include at least one of ultra-deep sleep, deep sleep, light sleep, micro sleep, and normal sleep. The terminal device may change the sleep state according to the instructions of the network device or the control of the terminal device itself, and switch between any two sleep states. For example, the terminal device may switch from a light sleep state to a deep sleep state, or from a deep sleep state to a wake-up state. Among them, the terminal device switching from other states to a wake-up state may also be directly referred to as the terminal device being awakened. It should be noted that the terminal device may be in a wake-up state after being awakened. The wake-up state of the terminal device may be a special form of the sleep state, or may be considered to be a different state relative to the sleep state. This disclosure is not limited to this.
[0170] In some embodiments, if the terminal device receives a wake-up signal, and the wake-up signal is used to indicate that the terminal device should be woken up, the terminal device can receive downlink signaling or data, and can also send uplink signaling or data; if the terminal device does not receive the wake-up signal, or the received wake-up signal indicates not to wake up the terminal device (for example, the wake-up signal indicates that other terminal devices should be woken up), the terminal device can maintain the current sleep state; if the terminal device does not receive the wake-up signal, or the received wake-up signal indicates not to wake up the terminal device (for example, the wake-up signal indicates that other terminal devices should be woken up), in some cases (for example, the terminal is in a non-super deep sleep state, and the time reaches a certain threshold), the terminal device can enter a deeper sleep state.
[0171] In some embodiments, a main radio (MR) of a terminal device may include a main transceiver and / or a main receiver, where the main transceiver may be one or more and the main receiver may be one or more. The terminal device may use the main radio to transmit and receive signaling and / or data.
[0172] In some embodiments, the terminal device may receive the wake-up signal through a separate receiver. The receiver for receiving the wake-up signal may be referred to as a low-power WUS signal receiver (LP WUR), which may be different from the main radio. For example, if the terminal device receives a wake-up signal, and the wake-up signal is used to indicate that the terminal device should be woken up, the terminal device may turn on the main radio and receive downlink signals and / or send uplink signals through the main radio. If the terminal device does not receive the wake-up signal, or the received wake-up signal indicates not to wake up the terminal device (for example, the wake-up signal indicates that other terminal devices should be woken up), the terminal device may maintain the current sleep state of the main radio.
[0173] In some embodiments, the LP WUR can operate in two modes: always-on mode and duty cycle mode. In always-on mode, the terminal device's LP WUR is always on, and the network device can send an LP WUS to wake the terminal device at any time. In duty cycle mode, the terminal device, based on a mechanism, only turns on the LP WUR during the LP WUS listening window, and the network device can only send an LP WUS to wake the terminal device during that time period.
[0174] In some embodiments, depending on the supported signal type, LP-WUR can support at least two types: a receiver that only supports envelope detection of on-off keying (OOK) symbols of LP-WUS, which can be called an OOK receiver or an OOK low-power receiver (OOK LR); a receiver that supports detection of time domain or frequency domain sequences carried by OOK symbols of LP-WUS, which can be called an orthogonal frequency division multiplexing (OFDM) receiver or an OFDM low-power receiver (OFDM LR). Optionally, the link performance of OFDM LR can be better than that of OOK LR. For example, under the same signal strength, the bit error rate of OFDM LR is lower than that of OOK LR.
[0175] In some embodiments, when detecting an LP-WUS, the terminal device may obtain time and frequency synchronization by detecting a synchronization signal, thereby obtaining the time and frequency position of the LP-WUS transmission by the network device. The synchronization signal may be a primary synchronization signal (PSS) and / or a secondary synchronization signal (SSS), or the synchronization signal may be a low power synchronization signal (LP-SSS).
[0176] In some embodiments, LP-WUS can carry information using Amplitude Shift Keying (ASK) modulation. OOK modulation is a special case of ASK modulation. Taking OOK as an example, the OOK ON symbol and the OOK OFF symbol can represent different bits, for example, OOK ON represents bit 1 and OOK OFF represents bit 0.
[0177] In some embodiments, the LP-WUS information can also be encoded, with each coded bit mapped to an OOK symbol, such as Manchester coding. For 1 / 2 Manchester coding, information bit 1 can be mapped to 2 coded bits; for 1 / 4 Manchester coding, information bit 1 can be mapped to 4 coded bits; for 1 / 8 Manchester coding, information bit 1 can be mapped to 8 coded bits; and for 1 / 16 Manchester coding, information bit 1 can be mapped to 16 coded bits. Optionally, the time domain or frequency domain sequence carried by each OOK symbol of the LP-WUS can also carry information.
[0178] FIG2A is an interactive diagram illustrating a method for transmitting a wake-up signal according to an embodiment of the present disclosure. The method may be executed by the above-mentioned communication system. As shown in FIG2A , the method may include:
[0179] Step S2101: The network device sends first information to the terminal device.
[0180] In some embodiments, the terminal device may receive the first information. For example, the terminal device may receive the first information sent by the network device.
[0181] In some embodiments, the first information may be used to configure a first resource. Optionally, the first resource is one or more.
[0182] In some embodiments, the name of the first information is not limited, and may be, for example, "configuration information", "resource configuration information", etc.
[0183] In some embodiments, the first resource may be used to carry wake-up information.
[0184] In some embodiments, the name of the first resource is not limited, and may be, for example, a "wake-up resource", a "wake-up signal transmission resource", etc.
[0185] In some embodiments, the wake-up information may instruct the terminal device to change its sleep state. For example, the wake-up information may wake up the terminal device, or the wake-up information may instruct the terminal device to change from a deep sleep state to a light sleep state, or the wake-up information may instruct the terminal device to maintain its current wake-up state. The terminal device switching from another state to an awake state may also be referred to as the terminal device being awakened.
[0186] In some embodiments, the name of the wake-up signal is not limited, for example, it can be "low power wake-up information" or the like.
[0187] In some embodiments, the name of the wake-up information is not limited, for example, it can be "wake-up information", "low-power wake-up signal", "low-power wake-up information", etc.
[0188] In some embodiments, the first information can be carried in at least one of a radio resource control RRC (Radio Resource Control) message, a media access control control element MAC CE (Medium Access Control Control Element), downlink control information DCI (Downlink Control Information), or other messages sent by a network device to a terminal device.
[0189] In one implementation, a network device may send first information to a terminal device via an RRC message, and configure a first resource for the terminal device via the first message. For example, the network device may semi-statically configure at least one first resource to the terminal device via an RRC message. When the network device learns or assumes that the terminal device supports detecting a time domain and / or frequency domain sequence carried by an LP WUS symbol, the network device sends the LP WUS via at least one of the first resources configured for the terminal device. The LP WUS carries a time domain / frequency domain sequence, and the terminal device learns the LP WUS information by detecting the time domain and / or frequency domain sequence carried by the LP WUS.
[0190] In another implementation, the network device may send first information to the terminal device via DCI, and configure a first resource for the terminal device via the first message. For example, the network device dynamically configures at least one first resource to the terminal device via DCI. When the network device learns or assumes that the terminal device supports detecting the time domain and / or frequency domain sequence carried by the LP WUS symbol, the network device sends the LP WUS via at least one of the first resources configured for the terminal device. The terminal device may then learn the LP WUS information by detecting the time domain and / or frequency domain sequence carried by the LP WUS.
[0191] In some embodiments, step S2101 can be omitted, and the terminal device can autonomously implement the function indicated by the first information, or the above function is default or by default.
[0192] In one implementation, the terminal device may determine the first resource according to a first rule, which may be a protocol agreement. Alternatively, the first rule may be a rule followed by the terminal device and the network device, such as a protocol agreement between the terminal device and the network device.
[0193] Optionally, the network device may also determine the first resource according to the first rule.
[0194] Step S2102: The network device sends a wake-up signal to the terminal device.
[0195] In some embodiments, the terminal device may receive a wake-up signal. For example, the terminal device may receive a wake-up signal sent by a network device.
[0196] In some embodiments, the network device can wake up the terminal device in the cell or change the sleep state of the terminal device by sending a wake-up signal (such as LP WUS). For terminal devices that support LP WUS, at least one wake-up signal (such as LP WUS signal) can be received through LP WUR, and the wake-up or sleep state change of MR can be completed according to the information carried by the received wake-up signal. Among them, the change of the sleep state of MR refers to the mutual switching among super deep sleep, deep sleep, light sleep, shallow sleep and other states, and the awakening of MR refers to the conversion of MR from any sleep state to the awakened state. Before receiving LP WUS, the terminal device's LP WUR attempts to receive LP SS to obtain auxiliary information of LP WUS (for example, time-frequency synchronization information, cell ID information, etc.). The network device sends the LP SS according to the protocol definition configuration or the configuration indicated by the network device to at least one terminal device, and the terminal device monitors the LP SS according to the protocol predefined configuration or the network device configuration.
[0197] In some embodiments, the wake-up signal may carry wake-up information via the first resource. The wake-up information may be related information of the awakened terminal device. For example, the wake-up information may include at least one of the following information: the terminal identification of the awakened terminal device, the sleep state, the cell identification of the cell where the terminal device is located, cell synchronization information, etc. Optionally, the wake-up information may, for example, but is not limited to, carry the terminal identifications of different awakened terminal devices.
[0198] In some embodiments of the present disclosure, the above-mentioned first resource may include at least one of a first symbol and a first sequence, and the wake-up information may be carried by the first symbol and / or the first sequence, that is, the wake-up information may be mapped to the first symbol and / or the first sequence.
[0199] In one implementation, the first symbol may be a symbol determined based on a symbol pattern, or the first symbol may be a symbol within a first time range, where the first time range is a full set or a subset of the duration length of the wake-up signal.
[0200] For example, the first symbol may be an OOK symbol, which may be composed of one or more symbols, each of which corresponds to an ON or OFF state. For example, a symbol may be an ON symbol or an OFF symbol. For example, the ON symbol may be a symbol indicating energy transmission, and the OFF symbol may be a symbol indicating no energy transmission. The ON symbol and the OFF symbol may each represent different information, for example, the ON symbol represents 1 and the OFF symbol represents 0. Alternatively, the ON symbol represents 0 and the OFF symbol represents 1.
[0201] Optionally, different symbol patterns may correspond to different wake-up information, and the wake-up information may, for example, but is not limited to, carry terminal identifications of different awakened terminal devices.
[0202] In one implementation, the first sequence may be a time domain or frequency domain sequence within the first time range.
[0203] Optionally, different first sequences may correspond to different wake-up information, and the wake-up information may, for example, but is not limited to, carry terminal identifiers of different awakened terminal devices.
[0204] In some embodiments, the wake-up signal (e.g., LP WUS) may include at least one of a preamble, data, and a checksum (CRC). In a preferred embodiment, the LP WUS includes the preamble, data, and CRC. In a preferred embodiment, the LP WUS includes both the preamble and data. In a preferred embodiment, the LP WUS includes only data.
[0205] Optionally, the wake-up information may be carried in at least one of the preamble, data, and check code of the wake-up signal. For example, the wake-up information may be carried in the preamble, or in the data, or in the check code, or in both the preamble and the data.
[0206] In some embodiments of the present disclosure, the above-mentioned first resource may include at least one of a first symbol and a first sequence, and the wake-up signal may be carried by the first symbol and / or the first sequence, that is, the wake-up signal may be mapped to the first symbol and / or the first sequence.
[0207] In one implementation, the first symbol may be a symbol determined based on a symbol pattern, or the first symbol may be a symbol within a first time range, where the first time range is a full set or a subset of the duration length of the wake-up signal.
[0208] In one implementation, the first sequence may be a time domain or frequency domain sequence within a first time range.
[0209] In some embodiments, the first resource may be used to carry at least one of the following:
[0210] Preamble;
[0211] data;
[0212] Check code;
[0213] Part of the preamble;
[0214] Part of the data;
[0215] Part of the check code.
[0216] In some embodiments, the first resource may include a first symbol and a first sequence. The first symbol may carry one or both of the following information, and the first sequence may carry the remaining information in the signal carried by the first symbol:
[0217] Preamble;
[0218] data;
[0219] Verification code.
[0220] In one implementation, if the first symbol carries a preamble, then the first sequence carries data and a check code. In another implementation, if the first symbol carries data, then the first sequence carries a preamble and a check code. In yet another implementation, if the first symbol carries a check code, then the first sequence carries a preamble and data. In yet another implementation, if the first symbol carries a preamble and data, then the first sequence carries a check code. In yet another implementation, if the first symbol carries a preamble and a check code, then the first sequence carries data. Similarly, if the first symbol carries one or both of the above information, then the first sequence carries the remaining information.
[0221] In some embodiments, the first symbol may not carry any information, but may carry the preamble, data, and check code via a first sequence.
[0222] In some embodiments, the wake-up information may be at least one of the following:
[0223] The first type of wake-up information is based on an on-off keying (OOK) modulation scheme. Optionally, the wake-up signal may be completely OOK-modulated to carry the first type of wake-up information.
[0224] The second type of wake-up information is based on an orthogonal frequency division multiplexing (OFDM) modulation scheme. For example, the wake-up signal can completely carry the second type of wake-up information through OFDM modulation of a time domain / frequency domain sequence carried by an LP WUS symbol.
[0225] The third type of wake-up information, the third type of wake-up information is based on the OOK modulation method and the OFDM modulation method. For example, the wake-up signal can partially use OOK modulation to carry the wake-up information, and partially use OFDM modulation of the time domain / frequency domain sequence carried by the LP WUS symbol to carry the wake-up information. The information carried by OFDM modulation and the information carried based on OOK modulation can be the same or different.
[0226] In some embodiments, a terminal device may report a first capability to a network device. Optionally, the first capability may be used to indicate whether the terminal device is capable of receiving second-type wake-up information and / or third-type wake-up information. Optionally, the first capability may also be used to indicate whether the terminal device supports detecting time-domain / frequency-domain sequences carried by LP WUS symbols. In this way, the network device may obtain the first capability of the terminal device.
[0227] In some embodiments, the network device may assume that one or more terminal devices support a first state, where the first state may be at least one of the following:
[0228] Ability to receive first-class wake-up information (e.g., support detection of OOK modulation symbols);
[0229] Ability to receive the second type of wake-up information (e.g., support detection of time domain / frequency domain sequences carried by LP WUS symbols);
[0230] Able to receive the third type of wake-up information (for example, supporting detection of the time domain / frequency domain sequence carried by the LP WUS symbol, and also supporting detection of the OOK modulation symbol).
[0231] Optionally, the above-mentioned “first capability” and “first state” can be interchanged.
[0232] In this way, the network device can determine the first capability or the first state of the terminal device, and send a corresponding wake-up signal to the terminal device according to the first capability or the first state.
[0233] In some embodiments, the network device may send the wake-up signal to a terminal device. For example, the network device may send the wake-up signal to the terminal device in the form of unicast. For example, the network device may send the wake-up signal to the terminal device via signaling dedicated to the terminal device (e.g., RRC signaling).
[0234] In other embodiments, the network device may send the wake-up signal to multiple terminal devices. For example, the network device may send the wake-up signal to the terminal devices in the form of multicast, groupcast, or broadcast. For example, the network device may send the wake-up signal to multiple terminal devices in a terminal set using multicast signaling corresponding to the terminal set.
[0235] Optionally, the above-mentioned wake-up signal corresponds to a terminal set, which may include at least one terminal device; wherein the first capability of the terminal devices included in a terminal set is the same, and the first capability can be used to indicate whether the terminal device can receive the second type of wake-up information and / or the third type of wake-up information.
[0236] In this way, the network device can group the terminal devices according to their capabilities and send a wake-up signal to the terminal group.
[0237] In some embodiments, the carrying method of the above-mentioned wake-up information may include at least one of the following methods.
[0238] In one implementation, the first symbol of the first resource may be used to carry the first type of wake-up information. For example, the protocol predefines OOK modulation to only carry wake-up information carrying OOK-WUR.
[0239] In another implementation, the second type of wake-up information is carried by the first sequence of the first resource, for example, the protocol predefines that the time domain or frequency domain carried by the LP WUS symbol only carries the wake-up information carrying the OFDM WUR;
[0240] In another implementation, the first sequence of the first resource carries the first type of wake-up information and the second type of wake-up information, for example, the protocol predefined LP WUS symbol carries the time domain or frequency domain wake-up information of OFDM WUR and OOK-WUR.
[0241] In some embodiments of the present disclosure, there may be multiple ways to carry the wake-up information through the first resource, for example:
[0242] In some embodiments, the first resource may include a first symbol. The first symbol may be a symbol determined based on a symbol pattern. The symbol pattern may be a fixed OOK pattern.
[0243] For example, the network device may determine a fixed OOK pattern and send an LP WUS to the terminal device. The fixed OOK pattern may carry fixed information or no information. The fixed OOK pattern may be predefined by a protocol, semi-statically configured by the network device to the terminal device, or dynamically configured by the network device to the terminal device.
[0244] In one implementation, the protocol predefines at least one fixed OOK pattern. When the network device learns or assumes that the terminal device supports detecting the time / frequency domain sequence carried by the LP WUS symbol, the network device transmits the LP WUS according to one of the protocol-predetermined OOK patterns. The LP WUS carries the time / frequency domain sequence, and the terminal device learns the LP WUS information by detecting the LP WUS carrying the time / frequency domain sequence.
[0245] In one implementation, a network device semi-statically configures at least one fixed OOK pattern to a terminal device via RRC signaling. When the network device learns or assumes that the terminal device supports detecting a time domain / frequency domain sequence carried by an LP WUS symbol, the network device sends an LP WUS according to one of the OOK patterns configured for the terminal device. The LP WUS carries the time domain / frequency domain sequence, and the terminal device learns LP WUS information by detecting the LP WUS carries the time domain / frequency domain sequence.
[0246] In one implementation, a network device dynamically configures at least one of the fixed OOK patterns to a terminal device via DCI signaling. When the network device learns or assumes that the terminal device supports detecting a time domain / frequency domain sequence carried by an LP WUS symbol, the network device sends an LP WUS according to one of the OOK patterns configured for the terminal device. The LP WUS carries the time domain / frequency domain sequence, and the terminal device learns LP WUS information by detecting the LP WUS carries the time domain / frequency domain sequence.
[0247] Optionally, in this embodiment, at least one of the following may be included:
[0248] The preamble of LP WUS is a fixed OOK pattern;
[0249] The DATA of LP WUS is a fixed OOK pattern;
[0250] The CRC of LP WUS is a fixed OOK pattern;
[0251] Some preambles of LP WUS are fixed OOK patterns;
[0252] Part of the DATA of LP WUS is a fixed OOK pattern;
[0253] Some CRCs of LP WUS are fixed OOK patterns;
[0254] The preamble of LP WUS is not a fixed OOK pattern;
[0255] The DATA of LP WUS is not a fixed OOK pattern;
[0256] The CRC of LP WUS is not a fixed OOK pattern.
[0257] In other embodiments, the first resource may include a first symbol, which may be a symbol determined based on a symbol pattern, and the symbol pattern is a pattern randomly generated by a network device. For example, the symbol pattern may be a random OOK pattern.
[0258] For example, the network device may determine a random OOK pattern and send the LP WUS to the terminal device, where the random OOK pattern does not carry any information.
[0259] In one implementation, a network device sends a wake-up signal containing a randomly generated symbol pattern to a terminal device supporting OFDM LR. The terminal device decodes the first sequence (e.g., a time-domain or frequency-domain sequence) in the wake-up signal, obtains the wake-up information carried by the sequence, and ignores the randomly generated pattern (i.e., the OOK symbol pattern). In other words, when the symbol pattern is random, it means that OOK modulation does not carry any information.
[0260] This implementation method can reduce the complexity of the protocol, network devices can select symbol patterns, and when the wake-up signal is time-frequency multiplexed with other signals in the network (such as other NR signals), it can play a role in interference randomization and reduce interference to the NR signal.
[0261] The first symbol may, for example, include at least one OOK symbol. When a symbol in the OOK symbol is in the ON state, it represents a bit 1, and when a symbol in the OOK symbol is in the OFF state, it represents a bit 0. Optionally, the time domain length of an OOK symbol is the same as that of an NR time domain symbol. Optionally, the time domain length of an NR time domain symbol may be an integer multiple of the time domain length of an OOK symbol.
[0262] In one implementation, the protocol predefines that when a network device learns or assumes that a terminal device supports detecting a time-domain or frequency-domain sequence carried by an LP WUS symbol, the network device randomly sends an LP WUS to the terminal device using an OOK pattern. The LP WUS carries the time-domain or frequency-domain sequence, and the terminal device learns the LP WUS information by detecting the LP WUS carries the time-domain or frequency-domain sequence.
[0263] Optionally, in this embodiment, at least one of the following may be included:
[0264] The preamble of LP WUS is a random OOK pattern;
[0265] The DATA of LP WUS is a random OOK pattern;
[0266] The CRC of LP WUS is a random OOK pattern;
[0267] The preamble of LP WUS is not a random OOK pattern;
[0268] The data of LP WUS is not a random OOK pattern;
[0269] The CRC of LP WUS is not a random OOK pattern.
[0270] In some other embodiments, the first resource may include a first symbol, the first symbol may be a symbol within a first time range, and the first time range may be the entire set or a subset of the duration length of the wake-up signal.
[0271] For example, the first time range may be duration d, and the network device may determine to send an LP WUS within the first time range (e.g., duration d) to the terminal device. The first time range may be predefined by a protocol, semi-statically configured by the network device for the terminal device, or dynamically configured by the network device for the terminal device.
[0272] In one implementation, the protocol predefines that when a network device learns or assumes that a terminal device supports detecting a time-domain / frequency-domain sequence carried by an LP WUS symbol, the network device sends an LP WUS for duration d to the terminal device. The LP WUS carries the time-domain / frequency-domain sequence, and the terminal device learns the LP WUS information by detecting the LP WUS carries the time-domain / frequency-domain sequence.
[0273] The first time range may be the full set or subset of the duration length of the wake-up signal. For example, as shown in Figures 2B to 2D: Figure 2B is a schematic diagram of a first time range shown according to an embodiment of the present disclosure. As shown in Figure 2B, the first time range d may be the first d durations of the duration length D of the wake-up signal. Figure 2C is a schematic diagram of a first time range shown according to an embodiment of the present disclosure. As shown in Figure 2C, the first time range d may be the last d durations of the duration length D of the wake-up signal. Figure 2D is a schematic diagram of a first time range shown according to an embodiment of the present disclosure. As shown in Figure 2D, the first time range d may be any d duration within the duration length D of the wake-up signal.
[0274] Optionally, in this embodiment, at least one of the following may be included:
[0275] The first time range d includes a preamble in the time domain;
[0276] The first time range d includes DATA in the time domain;
[0277] The first time range d includes CRC in the time domain;
[0278] The first time range d includes part of the preamble in the time domain;
[0279] The first time range d includes part of DATA in the time domain;
[0280] The first time range d includes a portion of CRC in the time domain;
[0281] The first time range d does not include a preamble in the time domain;
[0282] The first time range d does not include DATA in the time domain;
[0283] The first time range d does not include CRC in the time domain.
[0284] In some further embodiments, the first resource may include a first sequence, which may be a time domain or frequency domain sequence within a first time range, which may be a full set or a subset of the duration of the wake-up signal. Optionally, the first sequence may be based on OFDM modulation.
[0285] For example, the network device may determine the first sequence (e.g., a fixed frequency domain or time domain sequence) to send an LP WUS to the terminal device. The first sequence may carry fixed information or no information. The first sequence may be predefined by a protocol, semi-statically configured to the terminal device by the network device, or dynamically configured to the terminal device by the network device.
[0286] Optionally, in this embodiment, at least one of the following may be included:
[0287] The preamble of LP WUS is a fixed frequency domain or time domain sequence;
[0288] The DATA of LP WUS is a fixed frequency domain or time domain sequence;
[0289] The CRC of LP WUS is a fixed frequency domain or time domain sequence;
[0290] The preamble of LP WUS is not a fixed frequency domain or time domain sequence;
[0291] The DATA of LP WUS is not a fixed frequency domain or time domain sequence;
[0292] The CRC of LP WUS is not a fixed frequency domain or time domain sequence.
[0293] In some embodiments of the present disclosure, the above-mentioned symbol pattern may be used to indicate the time domain arrangement of ON symbols and OFF symbols within the first time range.
[0294] Optionally, the first time range may be a duration of the wake-up signal.
[0295] Optionally, the first time range may be a subset of the duration length of the wake-up signal.
[0296] In some embodiments, the symbol pattern may be used to indicate at least one of the following:
[0297] All symbols in the first time range are ON symbols;
[0298] The symbols within the first time range are partly ON symbols and partly OFF symbols, and the number of ON symbols is equal to the number of OFF symbols;
[0299] Some of the symbols within the first time range are ON symbols, and some are OFF symbols, and the number of ON symbols is not equal to the number of OFF symbols.
[0300] In some embodiments, a first symbol of the wake-up signal can be used to carry two values of a bit. For example, the symbol with energy sent is an ON symbol, and the ON symbol indicates that the value of the bit is 1. The symbol without energy sent is an OFF symbol, and the OFF symbol indicates that the value of the bit is 0. For another example, the symbol with energy sent is an ON symbol, and the ON symbol indicates that the value of the bit is 0. The symbol without energy sent is an OFF symbol, and the OFF symbol indicates that the value of the bit is 1.
[0301] Taking the duration of the wake-up signal as 14 symbols as an example, FIG. 2E to FIG. 2I are schematic diagrams of the above symbol patterns.
[0302] FIG2E is a schematic diagram illustrating a symbol pattern according to an embodiment of the present disclosure. As shown in FIG2E , the symbol pattern can be used to indicate that ON symbols and OFF symbols appear alternately within a duration D of a wake-up signal.
[0303] FIG2F is a schematic diagram illustrating a symbol pattern according to an embodiment of the present disclosure. As shown in FIG2F , the symbol pattern can be used to indicate that the duration D of the wake-up signal is entirely ON symbols.
[0304] Figure 2G is a schematic diagram illustrating a symbol pattern according to an embodiment of the present disclosure. As shown in Figure 2G , the symbol pattern can be used to indicate that the first eight symbols within the duration D of the wake-up signal are ON symbols, and the last six symbols are OFF symbols.
[0305] FIG2H is a schematic diagram illustrating a symbol pattern according to an embodiment of the present disclosure. As shown in FIG2H , the symbol pattern can be used to indicate the alternating appearance of ON symbols and OFF symbols within a first time range. The first time range can be the first d durations (e.g., the first 6 symbols) of the duration D of the wake-up signal.
[0306] FIG2I is a schematic diagram of a symbol pattern according to an embodiment of the present disclosure. As shown in FIG2I , the symbol pattern can be used to indicate that all ON symbols are within a first time range. The first time range can be the first d durations (e.g., the first 6 symbols) of the duration D of the wake-up signal.
[0307] Figure 2J is a schematic diagram illustrating a symbol pattern according to an embodiment of the present disclosure. As shown in Figure 2J , the symbol pattern can be used to indicate that the first portion of a first time range is an ON symbol (e.g., 3 symbols) and the second portion is an OFF symbol (e.g., 3 symbols). The first time range can be the first d durations (e.g., the first 6 symbols) of the duration D of the wake-up signal.
[0308] The method involved in the embodiment of the present disclosure may include at least one of the above steps S2101 to S2102. For example, step S2101 may be implemented as an independent embodiment, and step S2102 may be implemented as an independent embodiment.
[0309] In some embodiments, the above steps S2101 to S2102 can be executed in a swapped order or simultaneously.
[0310] In some embodiments, the above steps S2101 to S2102 are all optional steps.
[0311] In some embodiments, reference may be made to other optional implementations described before or after the description corresponding to FIG. 2A .
[0312] Figure 2K is an interactive diagram illustrating a method for transmitting a wake-up signal according to an embodiment of the present disclosure. As shown in Figure 2K, an embodiment of the present disclosure relates to a method for transmitting a wake-up signal, which can be performed by a communication system and may include:
[0313] Step S2201: The network device sends a wake-up signal to the terminal device.
[0314] The optional implementation of step S2201 can refer to the optional implementation of step S2102 in FIG. 2A and other related parts in the embodiment involved in FIG. 2A , which will not be described in detail here.
[0315] In some embodiments, the embodiment shown in FIG. 2K may also be combined with any one or more steps in the embodiment shown in FIG. 2A as a new embodiment.
[0316] FIG3A is a flow chart of a method for transmitting a wake-up signal according to an embodiment of the present disclosure. As shown in FIG3A , an embodiment of the present disclosure relates to a method for transmitting a wake-up signal, which can be performed by a terminal device. The method may include:
[0317] Step S3101: Obtain first information.
[0318] The optional implementation of step S3101 can refer to the optional implementation of step S2101 in Figure 2A and other related parts in the embodiment involved in Figure 2A, which will not be repeated here.
[0319] In some embodiments, the terminal device may receive the first information sent by the network device, but is not limited thereto. The terminal device may also receive the first information sent by other entities.
[0320] In some embodiments, the terminal device may obtain first information specified by the protocol.
[0321] In some embodiments, the terminal device may obtain the first information from an upper layer(s).
[0322] In some embodiments, the terminal device may perform processing to obtain the first information.
[0323] In some embodiments, step S3101 may be omitted, and the terminal device may autonomously implement the function indicated by the first information, or the above function may be default or by default.
[0324] Step S3102: Acquire a wake-up signal.
[0325] The optional implementation of step S3102 can refer to the optional implementation of step S2102 in Figure 2A and other related parts in the embodiment involved in Figure 2A, which will not be repeated here.
[0326] In some embodiments, the terminal device may receive a wake-up signal sent by a network device, but is not limited thereto. The terminal device may also receive a wake-up signal sent by other entities.
[0327] In some embodiments, the terminal device may obtain a wake-up signal specified by the protocol.
[0328] In some embodiments, the terminal device may obtain a wake-up signal from an upper layer(s).
[0329] In some embodiments, the terminal device may perform processing to obtain a wake-up signal.
[0330] The method involved in the embodiment of the present disclosure may include at least one of the above steps S3101 to S3102. For example, step S3101 may be implemented as an independent embodiment, and step S3102 may be implemented as an independent embodiment, but the present invention is not limited thereto.
[0331] In some embodiments, the above steps S3101 to S3102 can be executed in a swapped order or simultaneously.
[0332] In some embodiments, the above steps S3101 to S3102 are optional steps.
[0333] FIG3B is a flow chart of a method for transmitting a wake-up signal according to an embodiment of the present disclosure. As shown in FIG3B , an embodiment of the present disclosure relates to a method for transmitting a wake-up signal, which can be performed by a terminal device. The method may include:
[0334] Step S3201: Obtain a wake-up signal.
[0335] The optional implementation of step S3201 can be found in step S2102 of FIG. 2A , the optional implementation of step S3102 of FIG. 3A , and other related parts in the embodiments involved in FIG. 2A and FIG. 3A , which will not be repeated here.
[0336] In some embodiments, the embodiment shown in FIG. 3B may also be combined with any one or more steps in the embodiment shown in FIG. 3A to form a new embodiment.
[0337] In some embodiments, the wake-up signal carries wake-up information via a first resource.
[0338] In some embodiments, the first resource includes at least one of the following:
[0339] a first symbol, where the first symbol is a symbol determined based on a symbol pattern, or the first symbol is a symbol within a first time range, where the first time range is a full set or a subset of a duration of the wake-up signal;
[0340] The first sequence is a time domain or frequency domain sequence within a first time range.
[0341] In some embodiments, the method further comprises at least one of the following:
[0342] Determine the first resource according to a first rule, where the first rule is a protocol agreement;
[0343] First information sent by a network device is received, where the first information is used to configure the first resource.
[0344] In some embodiments, the symbol pattern is a pattern randomly generated by the network device.
[0345] In some embodiments, the wake-up signal includes at least one of a preamble, data, and a check code.
[0346] In some embodiments, the first resource is used to carry at least one of the following:
[0347] the preamble;
[0348] said data;
[0349] The verification code;
[0350] Part of the content of the preamble;
[0351] Part of the data;
[0352] Part of the verification code.
[0353] In some embodiments, the first resource includes a first symbol and a first sequence, the first symbol carrying one or both of the following information, and the first sequence carrying the remaining information in the first symbol-carrying signal:
[0354] the preamble;
[0355] said data;
[0356] The verification code.
[0357] In some embodiments, the symbol pattern is used to indicate a time domain arrangement of ON symbols and OFF symbols within a first time range.
[0358] In some embodiments, the symbol pattern is used to indicate any of the following:
[0359] All symbols within the first time range are ON symbols;
[0360] The symbols within the first time range are partly ON symbols and partly OFF symbols, and the number of the ON symbols is equal to the number of the OFF symbols;
[0361] Some of the symbols within the first time range are ON symbols, and some are OFF symbols, and the number of the ON symbols is not equal to the number of the OFF symbols.
[0362] In some embodiments, the wake-up information is any one of the following:
[0363] A first type of wake-up information, wherein the first type of wake-up information is based on an on-off keying (OOK) modulation mode;
[0364] The second type of wake-up information is based on an orthogonal frequency division multiplexing (OFDM) modulation scheme;
[0365] The third type of wake-up information is based on an OOK modulation scheme and an OFDM modulation scheme.
[0366] In some embodiments, the wake-up information carrying method includes at least one of the following:
[0367] Carrying the first type of wake-up information by using the first symbol of the first resource;
[0368] Carrying the second type of wake-up information through the first sequence of the first resource;
[0369] The third type of wake-up information is carried by the first sequence of the first resource.
[0370] In some embodiments, the wake-up signal corresponds to a terminal set, and the terminal set includes at least one terminal device; wherein,
[0371] The terminal devices included in a terminal set have the same first capability, and the first capability is used to indicate whether the terminal device can receive the second type of wake-up information and / or the third type of wake-up information.
[0372] FIG4A is a flow chart of a method for transmitting a wake-up signal according to an embodiment of the present disclosure. As shown in FIG4A , an embodiment of the present disclosure relates to a method for transmitting a wake-up signal, which can be executed by a network device. The method includes:
[0373] Step S4101: Send the first information.
[0374] The optional implementation of step S4101 can refer to the optional implementation of step S2101 in Figure 2A and other related parts in the embodiment involved in Figure 2A, which will not be repeated here.
[0375] In some embodiments, the network device may send the first information to the terminal device, but is not limited thereto. The network device may also send the first information to other entities.
[0376] Step S4102: Send a wake-up signal.
[0377] The optional implementation of step S4102 can refer to the optional implementation of step S2102 in Figure 2A and other related parts in the embodiment involved in Figure 2A, which will not be repeated here.
[0378] In some embodiments, the network device may send the wake-up signal to the terminal device, but is not limited thereto. The network device may also send the wake-up signal to other entities.
[0379] The method involved in the embodiment of the present disclosure may include at least one of the above steps S4101 to S4102. For example, step S4101 may be implemented as an independent embodiment, and step S4102 may be implemented as an independent embodiment, but the present invention is not limited thereto.
[0380] In some embodiments, the above steps S4101 to S4102 can be executed in a swapped order or simultaneously.
[0381] In some embodiments, the above steps S4101 to S4102 are all optional steps.
[0382] FIG4B is a flow chart of a method for transmitting a wake-up signal according to an embodiment of the present disclosure. As shown in FIG4B , an embodiment of the present disclosure relates to a method for transmitting a wake-up signal, which can be performed by a network device. The method may include:
[0383] Step S4201: Send a wake-up signal.
[0384] The optional implementation of step S4201 can be found in step S2102 of FIG. 2A , the optional implementation of step S4102 of FIG. 4A , and other related parts in the embodiments involved in FIG. 2A and FIG. 4A , which will not be repeated here.
[0385] In some embodiments, the embodiment shown in FIG. 4B may also be combined with any one or more steps in the embodiment shown in FIG. 4A to form a new embodiment.
[0386] In some embodiments, the wake-up signal carries wake-up information via a first resource.
[0387] In some embodiments, the first resource includes at least one of the following:
[0388] a first symbol, where the first symbol is a symbol determined based on a symbol pattern, or the first symbol is a symbol within a first time range, where the first time range is a full set or a subset of a duration of the wake-up signal;
[0389] The first sequence is a time domain or frequency domain sequence within a first time range.
[0390] In some embodiments, the method further comprises at least one of the following:
[0391] Determine the first resource according to a first rule, where the first rule is a protocol agreement;
[0392] Sending first information to a terminal device, where the first information is used to configure the first resource.
[0393] In some embodiments, the symbol pattern is a pattern randomly generated by a network device.
[0394] In some embodiments, the wake-up signal includes at least one of a preamble, data, and a check code.
[0395] In some embodiments, the first resource is used to carry at least one of the following:
[0396] the preamble;
[0397] said data;
[0398] The verification code;
[0399] Part of the content of the preamble;
[0400] Part of the data;
[0401] Part of the verification code.
[0402] In some embodiments, the first resource includes a first symbol and a first sequence, the first symbol carrying one or both of the following information, and the first sequence carrying the remaining information in the first symbol-carrying signal:
[0403] the preamble;
[0404] said data;
[0405] The verification code.
[0406] In some embodiments, the symbol pattern is used to indicate a time domain arrangement of ON symbols and OFF symbols within a first time range.
[0407] In some embodiments, the symbol pattern is used to indicate any of the following:
[0408] All symbols within the first time range are ON symbols;
[0409] The symbols within the first time range are partly ON symbols and partly OFF symbols, and the number of the ON symbols is equal to the number of the OFF symbols;
[0410] Some of the symbols within the first time range are ON symbols, and some are OFF symbols, and the number of the ON symbols is not equal to the number of the OFF symbols.
[0411] In some embodiments, the wake-up information is any one of the following:
[0412] A first type of wake-up information, wherein the first type of wake-up information is based on an on-off keying (OOK) modulation mode;
[0413] The second type of wake-up information is based on an orthogonal frequency division multiplexing (OFDM) modulation method;
[0414] The third type of wake-up information is based on an OOK modulation scheme and an OFDM modulation scheme.
[0415] In some embodiments, the wake-up information carrying method includes at least one of the following:
[0416] Carrying the first type of wake-up information by using the first symbol of the first resource;
[0417] Carrying the second type of wake-up information through the first sequence of the first resource;
[0418] The third type of wake-up information is carried by the first sequence of the first resource.
[0419] In some embodiments, the wake-up signal corresponds to a terminal set, and the terminal set includes at least one terminal device; wherein,
[0420] The terminal devices included in a terminal set have the same first capability, and the first capability is used to indicate whether the terminal device can receive the second type of wake-up information and / or the third type of wake-up information.
[0421] In some embodiments of the present disclosure, the network device can wake up the terminal devices that support LP WUS in the cell, or change the sleep state of these terminal devices, by sending a wake-up signal (such as LP WUS). For terminal devices that support LP WUS, at least one LP WUS signal is received through LP WUR, and the awakening or sleep state change of MR is completed according to the information carried by the received LP WUS signal. Among them, the change of the sleep state of MR refers to the mutual switching among super deep sleep, deep sleep, light sleep, shallow sleep and other states, and the awakening of MR refers to the conversion of MR from any sleep state to the awakened state. Before receiving LP WUS, the terminal device's LP WUR attempts to receive LP SS to obtain auxiliary information of LP WUS, such as time-frequency synchronization information and cell ID information, which are not limited here. The network device sends the LP SS according to the protocol definition configuration or the configuration indicated by the network device to at least one terminal device, and the terminal device monitors the LP SS according to the protocol predefined configuration or the network device configuration.
[0422] In some embodiments, the wake-up signal (e.g., LP WUS) may include at least one of a preamble, data, and a checksum (CRC). In a preferred embodiment, the LP WUS includes the preamble, data, and CRC. In a preferred embodiment, the LP WUS includes both the preamble and data. In a preferred embodiment, the LP WUS includes only data.
[0423] In some embodiments, the LP WUS carries information in at least one of the following ways: using OOK modulation to carry the wake-up information entirely; using a time domain / frequency domain sequence carried entirely by the LP WUS symbol to also carry the wake-up information; and using OOK modulation to carry the wake-up information partially, and using a time domain / frequency domain sequence carried partially by the LP WUS symbol to also carry the wake-up information. The information carried by the sequence may be the same as or different from the information carried by the OOK modulation.
[0424] In some embodiments, the terminal device indicates to the network device whether it supports detecting the time / frequency domain sequence carried by the LP WUS symbol by reporting the capabilities of the first terminal device. The network device then obtains capability information related to the terminal device. Alternatively, the network device assumes that one or more terminal devices support a certain state, where the certain state is at least one of the following: supporting detection of the time / frequency domain sequence carried by the LP WUS symbol; supporting detection of the time / frequency domain sequence carried by the LP WUS symbol and also supporting detection of OOK modulation symbols; or supporting detection of OOK modulation symbols.
[0425] In some embodiments, the network device unicasts the LP-WUS to the terminal device, and the LP-WUS information is mapped to the OOK symbol and / or the time domain or frequency domain sequence on the OOK symbol. The manner in which the network device sends the LP WUS to the terminal device may include at least one of the following manners 1 to 4:
[0426] Method 1: Send LP WUS using a fixed OOK pattern. This OOK pattern can also be called a symbol pattern.
[0427] For example, the network device determines a fixed OOK pattern and sends an LP WUS to the terminal device, where the fixed OOK pattern carries fixed information or no information. The fixed OOK pattern is predefined by a protocol, semi-statically configured by the network device, or dynamically configured by the network device.
[0428] In one implementation, the protocol predefines at least one fixed OOK pattern. When the network device learns or assumes that the terminal device supports detecting the time / frequency domain sequence carried by the LP WUS symbol, the network device transmits the LP WUS according to one of the protocol-predetermined OOK patterns. The LP WUS carries the time / frequency domain sequence, and the terminal device learns the LP WUS information by detecting the LP WUS carrying the time / frequency domain sequence.
[0429] In one implementation, a network device semi-statically configures at least one fixed OOK pattern to a terminal device via RRC signaling. When the network device learns or assumes that the terminal device supports detecting a time domain / frequency domain sequence carried by an LP WUS symbol, the network device sends an LP WUS according to one of the OOK patterns configured for the terminal device. The LP WUS carries the time domain / frequency domain sequence, and the terminal device learns LP WUS information by detecting the LP WUS carries the time domain / frequency domain sequence.
[0430] In one implementation, a network device dynamically configures at least one of the fixed OOK patterns to a terminal device via DCI signaling. When the network device learns or assumes that the terminal device supports detecting a time domain / frequency domain sequence carried by an LP WUS symbol, the network device sends an LP WUS according to one of the OOK patterns configured for the terminal device. The LP WUS carries the time domain / frequency domain sequence, and the terminal device learns LP WUS information by detecting the LP WUS carries the time domain / frequency domain sequence.
[0431] Optionally, in the first embodiment, at least one of the following is further included:
[0432] The preamble of LP WUS is a fixed OOK pattern;
[0433] The DATA of LP WUS is a fixed OOK pattern;
[0434] The CRC of LP WUS is a fixed OOK pattern;
[0435] Some preambles of LP WUS are fixed OOK patterns;
[0436] Part of the DATA of LP WUS is a fixed OOK pattern;
[0437] Some CRCs of LP WUS are fixed OOK patterns;
[0438] The preamble of LP WUS is not a fixed OOK pattern;
[0439] The DATA of LP WUS is not a fixed OOK pattern;
[0440] The CRC of LP WUS is not a fixed OOK pattern.
[0441] Method 2: Send LP WUS using a random OOK pattern.
[0442] For example, the network device determines a random OOK pattern and sends an LP WUS to the terminal device, where the random OOK pattern does not carry any information.
[0443] In one implementation, the protocol predefines that when a network device learns or assumes that a terminal device supports detecting a time-domain or frequency-domain sequence carried by an LP WUS symbol, the network device randomly sends an LP WUS to the terminal device using an OOK pattern. The LP WUS carries the time-domain or frequency-domain sequence, and the terminal device learns the LP WUS information by detecting the LP WUS carrying the time-domain or frequency-domain sequence.
[0444] Optionally, in the second method, at least one of the following is further included:
[0445] The preamble of LP WUS is a random OOK pattern;
[0446] The DATA of LP WUS is a random OOK pattern;
[0447] The CRC of LP WUS is a random OOK pattern;
[0448] The preamble of LP WUS is not a random OOK pattern;
[0449] The data of LP WUS is not a random OOK pattern;
[0450] The CRC of LP WUS is not a random OOK pattern.
[0451] Method 3: Send the LP WUS over a duration d. The duration d may also be referred to as a first time range.
[0452] For example, the network device determines to send an LP WUS of duration d to the terminal device. The duration d is predefined by a protocol, or semi-statically configured to the terminal device by the network device, or dynamically configured to the terminal device by the network device.
[0453] In one implementation, the protocol predefines that when the network device learns or assumes that the terminal device supports detecting the time domain / frequency domain sequence carried by the LP WUS symbol, the network device sends an LP WUS of duration d to the terminal device. The LP WUS carries the time domain / frequency domain sequence, and the terminal device learns the LP WUS information by detecting the LP WUS carrying the time domain / frequency domain sequence. The LP WUS of duration d refers to the LP WUS of the first d durations of the LP WUS duration (as shown in Figure 1), or the LP WUS of duration d refers to the LP WUS of the last d durations of the LP WUS duration (as shown in Figure 2), or the LP WUS of duration d refers to the LP WUS of any duration d within the LP WUS duration (as shown in Figure 3).
[0454] Optionally, in the third method, at least one of the following is further included:
[0455] The duration d includes a preamble in the time domain;
[0456] The duration d includes DATA in the time domain;
[0457] The duration d includes CRC in the time domain;
[0458] The duration d includes part of the preamble in the time domain;
[0459] The duration d includes part of DATA in the time domain;
[0460] The duration d includes a portion of CRC in the time domain;
[0461] The duration d does not include the preamble in the time domain;
[0462] The duration d does not include DATA in the time domain;
[0463] The duration d does not include CRC in the time domain.
[0464] Mode 4: Send the LP WUS via a frequency domain or time domain sequence. The frequency domain or time domain sequence may also be referred to as a first sequence.
[0465] For example, the network device may determine a fixed frequency domain or time domain sequence to send an LP WUS to the terminal device, where the fixed frequency domain or time domain sequence carries fixed information or no information. The fixed frequency domain or time domain sequence is predefined by a protocol, semi-statically configured to the terminal device by the network device, or dynamically configured to the terminal device by the network device.
[0466] Optionally, in the fourth method, at least one of the following is further included:
[0467] The preamble of LP WUS is a fixed frequency domain or time domain sequence;
[0468] The DATA of LP WUS is a fixed frequency domain or time domain sequence;
[0469] The CRC of LP WUS is a fixed frequency domain or time domain sequence;
[0470] The preamble of LP WUS is not a fixed frequency domain or time domain sequence;
[0471] The DATA of LP WUS is not a fixed frequency domain or time domain sequence;
[0472] The CRC of LP WUS is not a fixed frequency domain or time domain sequence.
[0473] In some embodiments of the present disclosure, the network device can wake up the terminal devices that support LP WUS in the cell, or change the sleep state of these terminal devices, by sending a wake-up signal (such as LP WUS). For terminal devices that support LP WUS, at least one LP WUS signal is received through LP WUR, and the awakening or sleep state change of MR is completed according to the information carried by the received LP WUS signal. Among them, the change of the sleep state of MR refers to the mutual switching among super deep sleep, deep sleep, light sleep, shallow sleep and other states, and the awakening of MR refers to the conversion of MR from any sleep state to the awakened state. Before receiving LP WUS, the terminal device's LP WUR attempts to receive LP SS to obtain auxiliary information of LP WUS, such as time-frequency synchronization information and cell ID information, which are not limited here. The network device sends the LP SS according to the protocol definition configuration or the configuration indicated by the network device to at least one terminal device, and the terminal device monitors the LP SS according to the protocol predefined configuration or the network device configuration.
[0474] In some embodiments, the LP WUS may include at least one of the preamble, DATA, and CRC. In a preferred embodiment, the LP WUS includes the preamble, DATA, and CRC. In a preferred embodiment, the LP WUS includes both the preamble and DATA. In a preferred embodiment, the LP WUS includes only DATA.
[0475] In some embodiments, the LP WUS carries information in at least one of the following ways: using OOK modulation to carry the wake-up information entirely; using a time domain / frequency domain sequence carried entirely by the LP WUS symbol to also carry the wake-up information; and using OOK modulation to carry the wake-up information partially, and using a time domain / frequency domain sequence carried partially by the LP WUS symbol to also carry the wake-up information. The information carried by the sequence may be the same as or different from the information carried by the OOK modulation.
[0476] In some embodiments, the terminal device indicates to the network device whether it supports detecting the time / frequency domain sequence carried by the LP WUS symbol by reporting the capabilities of the first terminal device. The network device then obtains capability information related to the terminal device. Alternatively, the network device assumes that one or more terminal devices support a certain state, where the certain state is at least one of the following: supporting detection of the time / frequency domain sequence carried by the LP WUS symbol; supporting detection of the time / frequency domain sequence carried by the LP WUS symbol and also supporting detection of OOK modulation symbols; or supporting detection of OOK modulation symbols.
[0477] In some embodiments, a network device may transmit an LP-WUS to multiple terminal devices, for example, by transmitting the LP-WUS via at least one of multicast, groupcast, and broadcast. The LP-WUS information is mapped to OOK symbols and / or a time domain or frequency domain sequence on the OOK symbols. The manner in which the network device transmits the LP-WUS to the multiple terminal devices may include at least one of the following modes 1 to 4:
[0478] Method 1: Send LP WUS using a fixed OOK pattern. This OOK pattern can also be called a symbol pattern.
[0479] For example, a network device determines a fixed OOK pattern and sends an LP WUS to multiple terminal devices, where the fixed OOK pattern carries fixed information or no information. The fixed OOK pattern is predefined by a protocol, semi-statically configured by the network device, or dynamically configured by the network device to the multiple terminal devices.
[0480] In one implementation, the protocol predefines at least one fixed OOK pattern. When a network device learns or assumes that multiple terminal devices support detecting a time-domain / frequency-domain sequence carried by an LP WUS symbol, the network device transmits the LP WUS according to one of the OOK patterns predetermined by the protocol. The LP WUS carries the time-domain / frequency-domain sequence, and the multiple terminal devices learn the LP WUS information by detecting the LP WUS carries the time-domain / frequency-domain sequence.
[0481] In one implementation, a network device semi-statically configures at least one fixed OOK pattern to multiple terminal devices via RRC signaling. When the network device learns or assumes that multiple terminal devices support detecting the time / frequency domain sequence carried by LP WUS symbols, the network device sends an LP WUS according to one of the OOK patterns configured for the multiple terminal devices. The LP WUS carries the time / frequency domain sequence, and the multiple terminal devices learn LP WUS information by detecting the LP WUS carries the time / frequency domain sequence.
[0482] In one implementation, a network device dynamically configures at least one fixed OOK pattern to multiple terminal devices via DCI signaling. When the network device learns or assumes that multiple terminal devices support detecting the time domain / frequency domain sequence carried by the LP WUS symbol, the network device sends the LP WUS according to one of the OOK patterns configured for the multiple terminal devices. The LP WUS carries the time domain / frequency domain sequence, and the multiple terminal devices learn the LP WUS information by detecting the LP WUS carries the time domain / frequency domain sequence.
[0483] Optionally, in the first embodiment, at least one of the following is further included:
[0484] The preamble of LP WUS is a fixed OOK pattern;
[0485] The DATA of LP WUS is a fixed OOK pattern;
[0486] The CRC of LP WUS is a fixed OOK pattern;
[0487] Some preambles of LP WUS are fixed OOK patterns;
[0488] Part of the DATA of LP WUS is a fixed OOK pattern;
[0489] Some CRCs of LP WUS are fixed OOK patterns;
[0490] The preamble of LP WUS is not a fixed OOK pattern;
[0491] The DATA of LP WUS is not a fixed OOK pattern;
[0492] The CRC of LP WUS is not a fixed OOK pattern.
[0493] Method 2: Send LP WUS using a random OOK pattern.
[0494] For example, the network device determines a random OOK pattern and sends an LP WUS to multiple terminal devices, where the random OOK pattern does not carry any information.
[0495] In one implementation, the protocol predefines that when a network device learns or assumes that multiple terminal devices support detecting a time-domain or frequency-domain sequence carried by an LP WUS symbol, the network device randomly sends an LP WUS to the multiple terminal devices using an OOK pattern. The LP WUS carries the time-domain or frequency-domain sequence, and the multiple terminal devices learn the LP WUS information by detecting the LP WUS carries the time-domain or frequency-domain sequence.
[0496] Optionally, in the second method, at least one of the following is further included:
[0497] The preamble of LP WUS is a random OOK pattern;
[0498] The DATA of LP WUS is a random OOK pattern;
[0499] The CRC of LP WUS is a random OOK pattern;
[0500] The preamble of LP WUS is not a random OOK pattern;
[0501] The data of LP WUS is not a random OOK pattern;
[0502] The CRC of LP WUS is not a random OOK pattern.
[0503] Method 3: Send the LP WUS over a duration d. The duration d may also be referred to as a first time range.
[0504] For example, the network device determines to send an LP WUS of duration d to multiple terminal devices. The duration d is predefined by a protocol, or semi-statically configured by the network device to the multiple terminal devices, or dynamically configured by the network device to the multiple terminal devices.
[0505] In one implementation, the protocol predefines that when the network device learns or assumes that multiple terminal devices support detecting the time domain / frequency domain sequence carried by the LP WUS symbol, the network device sends an LP WUS of duration d to the multiple terminal devices. The LP WUS carries the time domain / frequency domain sequence, and the multiple terminal devices learn the LP WUS information by detecting the LP WUS carrying the time domain / frequency domain sequence. The LP WUS of duration d refers to the LP WUS of the first d durations of the LP WUS duration (as shown in Figure 1), or the LP WUS of duration d refers to the LP WUS of the last d durations of the LP WUS duration (as shown in Figure 2), or the LP WUS of duration d refers to the LP WUS of any duration d within the LP WUS duration (as shown in Figure 3).
[0506] Optionally, in the third method, at least one of the following is further included:
[0507] The duration d includes a preamble in the time domain;
[0508] The duration d includes DATA in the time domain;
[0509] The duration d includes CRC in the time domain;
[0510] The duration d includes part of the preamble in the time domain;
[0511] The duration d includes part of DATA in the time domain;
[0512] The duration d includes a portion of CRC in the time domain;
[0513] The duration d does not include the preamble in the time domain;
[0514] The duration d does not include DATA in the time domain;
[0515] The duration d does not include CRC in the time domain.
[0516] Mode 4: Send the LP WUS via a frequency domain or time domain sequence. The frequency domain or time domain sequence may also be referred to as a first sequence.
[0517] For example, a network device determines a fixed frequency domain or time domain sequence to send LP WUSs to multiple terminal devices, where the fixed frequency domain or time domain sequence carries fixed information or no information. The fixed frequency domain or time domain sequence is predefined by a protocol, semi-statically configured by the network device to the multiple terminal devices, or dynamically configured by the network device to the multiple terminal devices.
[0518] Optionally, in the fourth method, at least one of the following is further included:
[0519] The preamble of LP WUS is a fixed frequency domain or time domain sequence;
[0520] The DATA of LP WUS is a fixed frequency domain or time domain sequence;
[0521] The CRC of LP WUS is a fixed frequency domain or time domain sequence;
[0522] The preamble of LP WUS is not a fixed frequency domain or time domain sequence;
[0523] The DATA of LP WUS is not a fixed frequency domain or time domain sequence;
[0524] The CRC of LP WUS is not a fixed frequency domain or time domain sequence.
[0525] In some embodiments of the present disclosure, the OOK pattern may be a time-domain arrangement of ON symbols and OFF symbols in the LP WUS duration. The OOK pattern specifically includes at least one of the following forms:
[0526] The LP WUS duration is filled with ON symbols;
[0527] The LP WUS duration is divided into ON symbols and OFF symbols, and the number of ON symbols is equal to the number of OFF symbols;
[0528] The LP WUS duration is divided into ON symbols and OFF symbols, and the number of ON symbols and OFF symbols is not equal;
[0529] The duration d of LP WUS duration is all ON symbols.
[0530] In one implementation, taking the LP WUS duration as 14 time-domain symbols as an example, ON symbols and OFF symbols may appear alternately in the LP WUS duration, as shown in FIG2E .
[0531] In another implementation, taking the LP WUS duration as 14 time-domain symbols as an example, all the symbols in the LP WUS duration may be ON symbols, as shown in FIG2F .
[0532] In another implementation, taking the LP WUS duration as 14 time-domain symbols as an example, the first portion of the LP WUS duration is an ON symbol, and the second portion is an OFF symbol. As shown in FIG2G , there are 8 ON symbols and 6 OFF symbols.
[0533] In yet another implementation, taking the LP WUS duration as 14 time-domain symbols as an example, ON symbols and OFF symbols within the duration d in the LP WUS duration appear alternately, as shown in FIG2H .
[0534] In another implementation, taking the LP WUS duration as 14 time-domain symbols as an example, all ON symbols are within the duration d of the LP WUS duration, as shown in FIG2I .
[0535] In another implementation, taking the LP WUS duration as 14 time-domain symbols as an example, the first portion of the duration d in the LP WUS duration is an ON symbol, and the second portion is an OFF symbol. As shown in FIG2J , there are 3 ON symbols and 3 OFF symbols.
[0536] In some embodiments, the LP WUS duration value is predefined by the protocol, semi-statically configured by a network device to a terminal device, or dynamically configured by a network device to a terminal device. The length value can be measured in time domain symbols, time slots, radio frames, radio subframes, radio half-frames, or in absolute time units of seconds, milliseconds, or microseconds. When measured in time domain symbols, the value can also be 2, 4, 8, 12, 14, 24, 28, 36, 42, 48, 56, 60, or 70 time domain symbols. The OOK pattern is not further described here.
[0537] In some embodiments of the present disclosure, the LP WUS carries information in at least one of the following ways: using OOK modulation to carry the wake-up information entirely; using a time-domain / frequency-domain sequence carried entirely by LP WUS symbols to carry the wake-up information; or using OOK modulation to carry the wake-up information partially, and using a time-domain / frequency-domain sequence carried partially by LP WUS symbols to carry the wake-up information. The information carried by the sequence may be the same as or different from the information carried by the OOK modulation.
[0538] The LP WUS carries information in at least one of the following ways:
[0539] The protocol predefines OOK modulation to carry only the wake-up information of OOK-WUR;
[0540] The protocol predefines that the time domain or frequency domain carried by the LP WUS symbol only carries the wake-up information of the OFDM WUR;
[0541] The protocol predefines that the time domain or frequency domain carried by the LP WUS symbol carries the wake-up information of the OOK WUR and OFDM WUR.
[0542] The LP WUS terminal device grouping method includes at least one of the following:
[0543] The protocol predefines that OOK terminal devices and OFDM terminal devices must belong to different subgroups;
[0544] The protocol predefines that OOK terminal devices and OFDM terminal devices must not belong to the same subgroup.
[0545] Among them, the OOK terminal device can be a terminal device that only supports OOK modulation; the OFDM terminal device can be a terminal device that supports OFDM modulation.
[0546] In some embodiments, the network device may send a LP WUS with a fixed OOK pattern for an OFDM WUR.
[0547] In some embodiments, the network device may send a LP WUS with a random OOK pattern for the OFDM WUR.
[0548] In some embodiments, the network device may only send an LP WUS of time length d for an OFDM WUR.
[0549] In some embodiments, the network device may only send a fixed time / frequency domain sequence of LP WUS for the OOK WUR.
[0550] In some embodiments, the network device may define a fixed OOK pattern.
[0551] In some embodiments, the network device may restrict the grouping of terminal devices of OFDM WUR and OOK WUR.
[0552] In some embodiments, the network device may restrict the information carried by the LP WUS OOK modulation, or restrict the information carried by the LP WUS time-domain / frequency-domain sequence.
[0553] In some embodiments of the present disclosure, a communication system is provided, which may include a terminal device and a network device, wherein the terminal device can execute the wake-up signal transmission method executed by the terminal device in the aforementioned embodiment of the present disclosure; the network device can execute the wake-up signal transmission method executed by the network device in the aforementioned embodiment of the present disclosure.
[0554] The embodiments of the present disclosure further provide an apparatus for implementing any of the above methods. For example, an apparatus is provided, comprising units or modules for implementing each step performed by a terminal device in any of the above methods. For another example, another apparatus is provided, comprising units or modules for implementing each step performed by a network device (e.g., an access network device, a core network function node, a core network device, etc.) in any of the above methods.
[0555] It should be understood that the division of the various units or modules in the above device is merely a division of logical functions. In actual implementation, they may be fully or partially integrated into a physical entity, or they may be physically separated. In addition, the units or modules in the device may be implemented in the form of a processor calling software: for example, the device includes a processor, the processor is connected to a memory, and the memory stores instructions. The processor calls the instructions stored in the memory to implement any of the above methods or implement the functions of the various units or modules of the above device, wherein the processor is, for example, a general-purpose processor, such as a central processing unit (CPU) or a microprocessor, and the memory is a memory within the device or a memory outside the device. Alternatively, the units or modules in the device can be implemented in the form of hardware circuits, and the functions of some or all of the units or modules can be realized by designing the hardware circuits. The above-mentioned hardware circuits can be understood as one or more processors; for example, in one implementation, the above-mentioned hardware circuit is an application-specific integrated circuit (ASIC), and the functions of some or all of the above units or modules are realized by designing the logical relationship of the components in the circuit; for example, in another implementation, the above-mentioned hardware circuit can be realized by a programmable logic device (PLD). Taking a field programmable gate array (FPGA) as an example, it can include a large number of logic gate circuits, and the connection relationship between the logic gate circuits is configured by configuring the configuration file, thereby realizing the functions of some or all of the above units or modules. All units or modules of the above devices can be realized in the form of software called by the processor, or in the form of hardware circuits, or in part by the form of software called by the processor, and the rest by hardware circuits.
[0556] In the embodiments of the present disclosure, the processor is a circuit with signal processing capabilities. In one implementation, the processor can be a circuit with instruction reading and execution capabilities, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which can be understood as a microprocessor), or a digital signal processor (DSP); in another implementation, the processor can implement certain functions through the logical relationship of the hardware circuit, and the logical relationship of the above hardware circuit is fixed or reconfigurable, such as a hardware circuit implemented by a processor as an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA. In a reconfigurable hardware circuit, the process of the processor loading a configuration document to implement the hardware circuit configuration can be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules. In addition, it can also be a hardware circuit designed for artificial intelligence, which can be understood as ASIC, such as a neural network processing unit (NPU), a tensor processing unit (TPU), a deep learning processing unit (DPU), etc.
[0557] FIG5A is a schematic diagram of the structure of a terminal device proposed in an embodiment of the present disclosure. As shown in FIG5A , the terminal device 101 may include: at least one of a transceiver module 211 and a processing module 212 .
[0558] In some embodiments, the transceiver module 211 is configured to receive a wake-up signal sent by a network device, where the wake-up signal carries wake-up information via a first resource.
[0559] In some embodiments, the first resource includes at least one of the following:
[0560] a first symbol, where the first symbol is a symbol determined based on a symbol pattern, or the first symbol is a symbol within a first time range, where the first time range is a full set or a subset of a duration of the wake-up signal;
[0561] The first sequence is a time domain or frequency domain sequence within a first time range.
[0562] In some embodiments, the processing module 212 is configured to determine the first resource according to a first rule, where the first rule is a protocol agreement.
[0563] In some embodiments, the transceiver module 211 is configured to receive first information sent by a network device, where the first information is used to configure the first resource.
[0564] In some embodiments, the symbol pattern is a pattern randomly generated by the network device.
[0565] In some embodiments, the wake-up signal includes at least one of a preamble, data, and a check code.
[0566] In some embodiments, the first resource is used to carry at least one of the following:
[0567] the preamble;
[0568] said data;
[0569] The verification code;
[0570] Part of the content of the preamble;
[0571] Part of the data;
[0572] Part of the verification code.
[0573] In some embodiments, the first resource includes a first symbol and a first sequence, the first symbol carrying one or both of the following information, and the first sequence carrying the remaining information in the first symbol-carrying signal:
[0574] the preamble;
[0575] said data;
[0576] The verification code.
[0577] In some embodiments, the symbol pattern is used to indicate a time domain arrangement of ON symbols and OFF symbols within a first time range.
[0578] In some embodiments, the symbol pattern is used to indicate any of the following:
[0579] All symbols within the first time range are ON symbols;
[0580] The symbols within the first time range are partly ON symbols and partly OFF symbols, and the number of the ON symbols is equal to the number of the OFF symbols;
[0581] Some of the symbols within the first time range are ON symbols, and some are OFF symbols, and the number of the ON symbols is not equal to the number of the OFF symbols.
[0582] In some embodiments, the wake-up information is any one of the following:
[0583] A first type of wake-up information, wherein the first type of wake-up information is based on an on-off keying (OOK) modulation mode;
[0584] The second type of wake-up information is based on an orthogonal frequency division multiplexing (OFDM) modulation scheme;
[0585] The third type of wake-up information is based on an OOK modulation scheme and an OFDM modulation scheme.
[0586] In some embodiments, the wake-up information carrying method includes at least one of the following:
[0587] Carrying the first type of wake-up information by using the first symbol of the first resource;
[0588] Carrying the second type of wake-up information through the first sequence of the first resource;
[0589] The third type of wake-up information is carried by the first sequence of the first resource.
[0590] In some embodiments, the wake-up signal corresponds to a terminal set, and the terminal set includes at least one terminal device; wherein,
[0591] The terminal devices included in a terminal set have the same first capability, and the first capability is used to indicate whether the terminal device can receive the second type of wake-up information and / or the third type of wake-up information.
[0592] FIG5B is a schematic diagram of the structure of a network device according to an embodiment of the present disclosure. As shown in FIG5B , the network device 102 may include at least one of a transceiver module 221 and a processing module 222 .
[0593] In some embodiments, the transceiver module 221 is configured to send a wake-up signal to the terminal device, where the wake-up signal carries wake-up information via a first resource.
[0594] In some embodiments, the first resource includes at least one of the following:
[0595] a first symbol, where the first symbol is a symbol determined based on a symbol pattern, or the first symbol is a symbol within a first time range, where the first time range is a full set or a subset of a duration of the wake-up signal;
[0596] The first sequence is a time domain or frequency domain sequence within a first time range.
[0597] In some embodiments, the processing module 222 is configured to determine the first resource according to a first rule, where the first rule is a protocol agreement;
[0598] In some embodiments, the transceiver module 221 is configured to send first information to the terminal device, where the first information is used to configure the first resource.
[0599] In some embodiments, the symbol pattern is a pattern randomly generated by a network device.
[0600] In some embodiments, the wake-up signal includes at least one of a preamble, data, and a check code.
[0601] In some embodiments, the first resource is used to carry at least one of the following:
[0602] the preamble;
[0603] said data;
[0604] The verification code;
[0605] Part of the content of the preamble;
[0606] Part of the data;
[0607] Part of the verification code.
[0608] In some embodiments, the first resource includes a first symbol and a first sequence, the first symbol carrying one or both of the following information, and the first sequence carrying the remaining information in the first symbol-carrying signal:
[0609] the preamble;
[0610] said data;
[0611] The verification code.
[0612] In some embodiments, the symbol pattern is used to indicate a time domain arrangement of ON symbols and OFF symbols within a first time range.
[0613] In some embodiments, the symbol pattern is used to indicate any of the following:
[0614] All symbols within the first time range are ON symbols;
[0615] The symbols within the first time range are partly ON symbols and partly OFF symbols, and the number of the ON symbols is equal to the number of the OFF symbols;
[0616] Some of the symbols within the first time range are ON symbols, and some are OFF symbols, and the number of the ON symbols is not equal to the number of the OFF symbols.
[0617] In some embodiments, the wake-up information is any one of the following:
[0618] A first type of wake-up information, wherein the first type of wake-up information is based on an on-off keying (OOK) modulation mode;
[0619] The second type of wake-up information is based on an orthogonal frequency division multiplexing (OFDM) modulation method;
[0620] The third type of wake-up information is based on an OOK modulation scheme and an OFDM modulation scheme.
[0621] In some embodiments, the wake-up information carrying method includes at least one of the following:
[0622] Carrying the first type of wake-up information by using the first symbol of the first resource;
[0623] Carrying the second type of wake-up information through the first sequence of the first resource;
[0624] The third type of wake-up information is carried by the first sequence of the first resource.
[0625] In some embodiments, the wake-up signal corresponds to a terminal set, and the terminal set includes at least one terminal device; wherein,
[0626] The terminal devices included in a terminal set have the same first capability, and the first capability is used to indicate whether the terminal device can receive the second type of wake-up information and / or the third type of wake-up information.
[0627] In some embodiments, the transceiver module may include a transmitting module and / or a receiving module, and the transmitting module and the receiving module may be separate or integrated. Optionally, the transceiver module may be interchangeable with the transceiver.
[0628] In some embodiments, the processing module may be a single module or may include multiple submodules. Optionally, the multiple submodules each execute all or part of the steps required by the processing module. Optionally, the processing module and the processor may be interchangeable.
[0629] Figure 6A is a schematic diagram of the structure of a communication device 300 proposed in an embodiment of the present disclosure. Communication device 300 can be a network device (e.g., an access network device, a core network device, etc.), or a terminal device (e.g., a user device, etc.). It can also be a chip, chip system, or processor that supports a network device to implement any of the above methods, or a chip, chip system, or processor that supports a terminal device to implement any of the above methods. Communication device 300 can be used to implement the methods described in the above method embodiments. For details, please refer to the description of the above method embodiments.
[0630] As shown in Figure 6A, the communication device 300 includes one or more processors 301. The processor 301 can be a general-purpose processor or a dedicated processor, for example, a baseband processor or a central processing unit. The baseband processor can be used to process the communication protocol and communication data, and the central processing unit can be used to control the communication device (such as a base station, a baseband chip, a terminal device, a terminal device chip, a DU or a CU, etc.), execute programs, and process program data. Optionally, the communication device 300 can be used to perform any of the above methods. Optionally, one or more processors 301 are used to call instructions to enable the communication device 300 to perform any of the above methods.
[0631] In some embodiments, the communication device 300 may further include one or more transceivers 302. When the communication device 300 includes one or more transceivers 302, the transceiver 302 may perform at least one of the communication steps such as sending and / or receiving in the above method (for example, step S2101 and step S2102, but not limited thereto), and the processor 301 may perform at least one of the other steps.
[0632] In some embodiments, a transceiver may include a receiver and / or a transmitter. The receiver and transmitter may be separate or integrated. Optionally, the terms transceiver, transceiver unit, transceiver, transceiver circuit, interface circuit, and interface may be used interchangeably; the terms transmitter, transmitting unit, transmitter, and transmitting circuit may be used interchangeably; and the terms receiver, receiving unit, receiver, and receiving circuit may be used interchangeably.
[0633] In some embodiments, the communication device 300 also includes one or more memories 303 for storing data. Alternatively, all or part of the memories 303 may be located outside the communication device 300. In alternative embodiments, the communication device 300 may include one or more interface circuits 304. Optionally, the interface circuits 304 are connected to the memories 303 and can be used to receive data from the memories 303 or other devices, or to send data to the memories 303 or other devices. For example, the interface circuits 304 can read data stored in the memories 303 and send the data to the processor 301.
[0634] The communication device 300 described in the above embodiment may be a network device or a terminal device, but the scope of the communication device 300 described in the present disclosure is not limited thereto, and the structure of the communication device 300 may not be limited by FIG. 6A. The communication device may be an independent device or may be part of a larger device. For example, the communication device may be: 1) an independent integrated circuit IC, or a chip, or a chip system or subsystem; (2) a collection of one or more ICs, optionally, the above IC collection may also include a storage component for storing data or programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, a terminal device, an intelligent terminal device, a cellular phone, a wireless device, a handheld device, a mobile unit, an in-vehicle device, a network device, a cloud device, an artificial intelligence device, etc.; (6) others, etc.
[0635] FIG6B is a schematic diagram of the structure of the chip 400 proposed in an embodiment of the present disclosure. If the communication device 300 can be a chip or a chip system, please refer to the schematic diagram of the structure of the chip 400 shown in FIG6B , but the present disclosure is not limited thereto.
[0636] The chip 400 includes one or more processors 401 , and the chip 400 is configured to execute any of the above methods.
[0637] In some embodiments, chip 400 further includes one or more interface circuits 404. Alternatively, the terms interface circuit, interface, and transceiver pins may be used interchangeably. In some embodiments, chip 400 further includes one or more memories 403 for storing data. Alternatively, all or part of memories 403 may be located external to chip 400.
[0638] Optionally, the interface circuit 404 is connected to the memory 403. The interface circuit 404 can be used to receive data from the memory 403 or other devices, and the interface circuit 404 can be used to send data to the memory 403 or other devices. For example, the interface circuit 404 can read data stored in the memory 403 and send the data to the processor 401.
[0639] In some embodiments, the interface circuit 404 performs at least one of the communication steps (e.g., step S2101 and step S2102, but not limited thereto) of the sending and / or receiving steps in the above method. For example, the interface circuit 404 performing the communication steps (e.g., sending and / or receiving steps) in the above method means that the interface circuit 404 performs data exchange between the processor 401, chip 400, memory 403, or a transceiver device. In some embodiments, the processor 401 may perform at least one of the other steps.
[0640] The modules and / or devices described in various embodiments, such as virtual devices, physical devices, and chips, can be arbitrarily combined or separated according to circumstances. Optionally, some or all steps can also be performed collaboratively by multiple modules and / or devices, which is not limited here.
[0641] The embodiments of the present disclosure further provide a storage medium having instructions stored thereon. When the instructions are executed on the communication device 300, the communication device 300 executes any of the above methods. Optionally, the storage medium is an electronic storage medium. Optionally, the storage medium is a computer-readable storage medium, but is not limited thereto and may also be a storage medium readable by other devices. Optionally, the storage medium may be a non-transitory storage medium, but is not limited thereto and may also be a transient storage medium.
[0642] The embodiment of the present disclosure further provides a program product, which, when executed by the communication device 300, enables the communication device 300 to perform any of the above methods. Optionally, the program product may be a computer program product.
[0643] The embodiments of the present disclosure also provide a computer program, which, when executed on a computer, enables the computer to execute any one of the above methods.
Claims
1. A wake-up signal transmission method, characterized in that, Executed by a terminal device, the method includes: Receiving a wake-up signal sent by a network device, where the wake-up signal carries wake-up information through a first resource.
2. The method according to claim 1, characterized in that, The first resource includes at least one of the following: A first symbol, where the first symbol is a symbol determined based on a symbol pattern, or the first symbol is a symbol within a first time range; A first sequence, where the first sequence is a time-domain or frequency-domain sequence within a first time range; The first time range is the entire set or a subset of the duration length of the wake-up signal.
3. The method according to claim 1 or 2, characterized in that, The method further includes at least one of the following: Determining the first resource according to a first rule, where the first rule is a protocol convention; Receiving a first piece of information sent by the network device, where the first piece of information is used to configure the first resource.
4. The method according to claim 2, wherein The symbol pattern is a pattern randomly generated by the network device.
5. The method according to any one of claims 1 to 4, characterized in that The wake-up signal includes at least one of a preamble, data, and a check code.
6. The method according to claim 5, characterized in that The first resource is used to carry at least one of the following: The preamble; The data; The check code; Partial content of the preamble; Partial content of the data; Partial content of the check code.
7. The method according to claim 5, characterized in that The first resource includes a first symbol and a first sequence, where the first symbol carries one or both of the following pieces of information, and the first sequence carries the remaining information in the signal carried by the first symbol: The preamble; The data; The check code.
8. The method according to claim 2, wherein The symbol pattern is used to indicate the time-domain arrangement of ON symbols and OFF symbols within a first time range.
9. The method according to claim 8, wherein The symbol pattern is used to indicate any one of the following: All symbols within the first time range are ON symbols; Some symbols within the first time range are ON symbols and some are OFF symbols, and the number of ON symbols is equal to the number of OFF symbols; Some symbols within the first time range are ON symbols and some are OFF symbols, and the number of ON symbols is not equal to the number of OFF symbols.
10. The method according to any one of claims 1 to 9, characterized in that, The wake-up information is any one of the following: A first type of wake-up information, where the first type of wake-up information is based on an on-off keying (OOK) modulation method; A second type of wake-up information, where the second type of wake-up information is based on an orthogonal frequency-division multiplexing (OFDM) modulation method; A third type of wake-up information, where the third type of wake-up information is based on an OOK modulation method and an OFDM modulation method.
11. The method according to claim 10, wherein The carrying method of the wake-up information includes at least one of the following: Carrying the first type of wake-up information through the first symbol of the first resource; Carrying the second type of wake-up information through the first sequence of the first resource; Carrying the third type of wake-up information through the first sequence of the first resource.
12. The method according to claim 10, characterized in that, The wake-up signal corresponds to a set of terminals, where the set of terminals includes at least one terminal device; where The first capabilities of the terminal devices included in a set of terminals are the same, and the first capability is used to indicate whether the terminal device can receive the second type of wake-up information and / or the third type of wake-up information.
13. A wake-up signal transmission method, characterized in that, Executed by a network device, the method includes: Sending a wake-up signal to a terminal device, where the wake-up signal carries wake-up information through a first resource.
14. The method according to claim 13, wherein The first resource includes at least one of the following: A first symbol, where the first symbol is a symbol determined based on a symbol pattern, or the first symbol is a symbol within a first time range, and the first time range is the entire set or a subset of the duration length of the wake-up signal; A first sequence, where the first sequence is a time-domain or frequency-domain sequence within a first time range.
15. The method according to claim 13 or 14, characterized in that The method further includes at least one of the following: Determining the first resource according to a first rule, where the first rule is an agreement in the protocol; Sending first information to a terminal device, where the first information is used to configure the first resource.
16. The method according to claim 14, wherein The symbol pattern is a pattern randomly generated by a network device.
17. The method according to any one of claims 13 to 16, characterized in that, The wake-up signal includes at least one of a preamble, data, and a check code.
18. The method according to claim 17, wherein The first resource is used to carry at least one of the following: The preamble; The data; The check code; Partial content of the preamble; Partial content of the data; Partial content of the check code.
19. The method according to claim 17, wherein The first resource includes a first symbol and a first sequence. The first symbol carries one or two of the following information, and the first sequence carries the remaining information in the signal carried by the first symbol: The preamble; The data; The check code.
20. The method according to claim 14, wherein The symbol pattern is used to indicate the time-domain arrangement of ON symbols and OFF symbols within a first time range.
21. The method according to claim 20, wherein The symbol pattern is used to indicate any one of the following: All symbols within the first time range are ON symbols; Some symbols within the first time range are ON symbols and some are OFF symbols, and the number of ON symbols is equal to the number of OFF symbols; Some symbols within the first time range are ON symbols and some are OFF symbols, and the number of ON symbols is not equal to the number of OFF symbols.
22. The method according to any one of claims 13 to 21, characterized in that, The wake-up information is any one of the following: A first type of wake-up information, where the first type of wake-up information is based on an on-off keying (OOK) modulation method; A second type of wake-up information, where the second type of wake-up information is based on an orthogonal frequency division multiplexing (OFDM) modulation method; A third type of wake-up information, where the third type of wake-up information is based on an OOK modulation method and an OFDM modulation method.
23. The method according to claim 22, characterized in that, The carrying manner of the wake-up information includes at least one of the following: Carrying the first type of wake-up information through the first symbol of the first resource; Carrying the second type of wake-up information through the first sequence of the first resource; Carrying the third type of wake-up information through the first sequence of the first resource.
24. The method according to claim 22, wherein The wake-up signal corresponds to a set of terminals, and the set of terminals includes at least one terminal device; where The first capabilities of the terminal devices included in a set of terminals are the same, and the first capability is used to indicate whether the terminal device can receive the second type of wake-up information and / or the third type of wake-up information.
25. A terminal device, characterized in that, Includes: A transceiver module, configured to receive a wake-up signal sent by a network device, where the wake-up signal carries wake-up information through a first resource.
26. A network device, characterized in that, Includes: A transceiver module, configured to send a wake-up signal to a terminal device, where the wake-up signal carries wake-up information through a first resource.
27. A communication device, characterized in that, Includes: One or more processors; Among them, the communication device is used to execute the wake-up signal transmission method described in any one of claims 1 to 12 or claims 13 to 24.
28. A storage medium storing instructions, characterized in that, When the instruction runs on the communication device, the communication device is caused to execute the wake-up signal transmission method described in any one of claims 1 to 12 or claims 13 to 24.
29. A communication system, characterized in that, The communication system includes a terminal device and a network device. Among them, the terminal device is configured to implement the wake-up signal transmission method described in any one of claims 1 to 12, and the network device is configured to implement the wake-up signal transmission method described in any one of claims 13 to 24.