Wake-up signal bearing method, terminal, device, system and storage medium
By modulating LP WUS signals to convey different information for various terminal groups, the method addresses inefficiencies in power consumption and wake-up accuracy in communication systems, enhancing the effectiveness of LP WUS in reducing MR power usage.
Patent Information
- Application Number
- PCT/CN2024/070468
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-01-03
- Publication Date
- 2025-07-10
AI Technical Summary
Existing communication systems face challenges in efficiently reducing power consumption of main receivers (MR) by using low-power wake-up receivers (LP WUR) for low-power wake-up signals (LP WUS), as current methods do not effectively utilize the LP WUS to enhance wake-up accuracy and information capacity.
The method involves using a network device to send a modulated signal with varying characteristics to convey different information about LP WUS, including wake-up or paging information for different terminal groups, allowing for finer granularity in wake-up or paging accuracy and increased information capacity.
This approach enhances the effectiveness of LP WUS by improving wake-up accuracy and information capacity, reducing unnecessary power consumption in MRs by precisely identifying which terminals need to be awakened or paged.
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Figure CN2024070468_10072025_PF_FP_ABST
Abstract
Description
Method, terminal, device, system and storage medium for carrying wake-up signal Technical Field
[0001] The present disclosure relates to the field of communication technologies, and in particular to a method, terminal, device, system, and storage medium for carrying a wake-up signal. Background Art
[0002] The terminal can put the main radio (MR) into sleep mode and use the low-power wake-up receiver (LP WUR) to listen for the low-power wake-up signal (LP WUS), thereby reducing the power consumption of the MR and saving power for the terminal.
[0003] Summary of the Invention
[0004] How to send wake-up related information through LP WUS is a problem that needs to be solved.
[0005] Embodiments of the present disclosure provide a method, terminal, device, system, and storage medium for carrying a wake-up signal.
[0006] In a first aspect, an embodiment of the present disclosure provides a method for carrying a wake-up signal, the method comprising:
[0007] The network device sends a modulated signal to the terminal, where the signal amplitude of the modulated signal carries first information of a low power wake-up signal LP WUS, and a time domain sequence or a frequency domain sequence corresponding to the modulated signal carries second information of the LP WUS.
[0008] In a second aspect, an embodiment of the present disclosure provides a method for carrying a wake-up signal, the method comprising:
[0009] The terminal receives a modulated signal sent by a network device, where the signal amplitude of the modulated signal carries first information of the LP WUS, and the time domain sequence or frequency domain sequence corresponding to the modulated signal carries second information of the LP WUS.
[0010] In a third aspect, an embodiment of the present disclosure provides a network device, including:
[0011] The transceiver module is configured to send a modulated signal to a terminal, where the signal amplitude of the modulated signal carries first information of the LP WUS, and the time domain sequence or frequency domain sequence corresponding to the modulated signal carries second information of the LP WUS.
[0012] In a fourth aspect, an embodiment of the present disclosure provides a terminal, including:
[0013] The transceiver module is configured to receive a modulated signal sent by a network device, wherein the signal amplitude of the modulated signal carries first information of the LP WUS, and the time domain sequence or frequency domain sequence corresponding to the modulated signal carries second information of the LP WUS.
[0014] In a fifth aspect, an embodiment of the present disclosure provides a network device, including:
[0015] one or more processors;
[0016] The network device is used to execute the method described in the first aspect.
[0017] In a sixth aspect, an embodiment of the present disclosure provides a terminal, including:
[0018] one or more processors;
[0019] The terminal is used to execute the method described in the second aspect.
[0020] In a seventh aspect, an embodiment of the present disclosure provides a communication system, including a terminal and a network device, wherein:
[0021] The network device is configured to implement the method according to the first aspect;
[0022] The terminal is configured to implement the method described in the second aspect.
[0023] In an eighth aspect, an embodiment of the present disclosure provides a storage medium, wherein the storage medium stores instructions, wherein:
[0024] When the instruction is executed on a communication device, the communication device is caused to execute the method according to the first aspect or the second aspect.
[0025] In the disclosed embodiment, the network device sends an LP WUS through a modulated signal, and carries different information of the LP WUS through different characteristics of the modulated signal, which can improve the effect of using the LP WUS to wake up and increase the amount of information of the LP WUS. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] 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.
[0027] FIG1 is an exemplary schematic diagram of the architecture of a communication system provided according to an embodiment of the present disclosure;
[0028] FIG2a is an exemplary interaction diagram of a method provided according to an embodiment of the present disclosure;
[0029] FIG2b is a schematic diagram of a modulation signal provided according to an embodiment of the present disclosure;
[0030] 3a to 3b are exemplary flowcharts of a method according to an embodiment of the present disclosure;
[0031] 4a and 4b are exemplary flowcharts of a method according to an embodiment of the present disclosure;
[0032] FIG5a is a schematic structural diagram of a terminal according to an embodiment of the present disclosure;
[0033] FIG5b is a schematic structural diagram of a network device according to an embodiment of the present disclosure;
[0034] FIG6a is a schematic diagram of a communication device according to an embodiment of the present disclosure;
[0035] FIG6 b is a schematic diagram of a communication device according to an embodiment of the present disclosure. DETAILED DESCRIPTION
[0036] Embodiments of the present disclosure provide a method, terminal, device, system, and storage medium for carrying a wake-up signal.
[0037] In a first aspect, an embodiment of the present disclosure provides a method for carrying a wake-up signal, the method comprising:
[0038] The network device sends a modulated signal to the terminal. The signal amplitude of the modulated signal carries first information of the low power wake-up signal LP WUS, and the time domain sequence or frequency domain sequence corresponding to the modulated signal carries second information of the LP WUS.
[0039] In the above embodiment, the network device sends the LP WUS through a modulated signal, and carries different information of the LP WUS through different characteristics of the modulated signal, which can not only improve the effect of using the LP WUS to wake up, but also increase the amount of LP WUS information.
[0040] In conjunction with the embodiment of the first aspect, in some embodiments, the first information is used to indicate a first terminal group to be awakened or to be paged;
[0041] The second information is used to indicate a second terminal group to be awakened or paged, where the second terminal group is a subgroup of the first terminal group.
[0042] In the above embodiment, the first information and the second information indicate the terminal groups with different wake-up or paging group granularities, thereby further indicating the wake-up or paging of a subgroup in the first terminal group, thereby improving the accuracy of the wake-up or paging.
[0043] In combination with the embodiments of the first aspect, in some embodiments, the first information includes K indicator bits, each of the K indicator bits corresponds to a first terminal group; wherein, when any indicator bit is the first value, it indicates that the first terminal group corresponding to any indicator bit includes a terminal to be awakened or paged, and K is an integer greater than 0.
[0044] In the above embodiment, the first information may be used to indicate whether the K first terminal groups are awakened or paged, thereby improving the efficiency of awakening or paging the terminals.
[0045] In combination with the embodiments of the first aspect, in some embodiments, the second information includes M indicator bits, each of the M indicator bits corresponds to a second terminal group; wherein, when any indicator bit is the first value, it indicates that the second terminal group corresponding to any indicator bit includes a terminal to be awakened or paged.
[0046] In the above embodiment, the second information can be used to indicate whether the M second terminal groups are awakened or paged, so as to instruct the terminals to wake up or page at a smaller grouping granularity and improve the accuracy of the wake-up or paging.
[0047] In combination with the embodiments of the first aspect, in some embodiments, each first terminal group corresponds to N1 second terminal groups, where M=N1*K, and N1 is an integer greater than 1.
[0048] In the above embodiment, every N second terminal groups correspond to one first terminal group, so that through the coordination of the first information and the second information, the network device can further indicate the subgroup to be paged or awakened, thereby reducing the phenomenon of terminals in the group being mistakenly awakened when the grouping granularity is large.
[0049] In combination with the embodiments of the first aspect, in some embodiments, among the first terminal groups corresponding to K indicator bits, a first terminal group whose indicator bit is the first value corresponds to N2 second terminal groups, where N2 is an integer greater than 1.
[0050] In the above embodiment, the first terminal group to be awakened or paged has corresponding N2 second terminal groups, so that the network device can further awaken or page a subgroup of the first terminal group based on the first terminal group to be awakened or paged based on the second information, thereby improving the accuracy of awakening or paging and reducing terminal false awakening.
[0051] In conjunction with the embodiment of the first aspect, in some embodiments, the number of indicator bits of the first value in the K indicator bits is K1,
[0052] When K1*N2=M, each first terminal group in the K1 first terminal groups corresponds to N2 second terminal groups; or,
[0053] When K1*N2<M, the M indication bits include the reserved indication bit; or,
[0054] When K1*N2>M, the K2 first terminal groups included in the K1 first terminal groups have corresponding second terminal groups, wherein K2*N2≤M, and (K2+1)*N2>M.
[0055] In the above embodiment, for different numbers of first terminal groups that are awakened or paged, the first terminal groups that are awakened or paged may all have their corresponding N2 second terminal groups, or some of the first terminal groups that are awakened or paged may have their corresponding N2 second terminal groups. The network device can perform awakening or paging instructions with a smaller grouping granularity for these first terminal groups to improve the accuracy of awakening or paging.
[0056] In combination with the embodiments of the first aspect, in some embodiments, the correspondence between the second terminal group and the first terminal group is determined according to the number K1 of indicator bits of the first value among the M indicator bits and the K indicator bits.
[0057] In the above embodiment, the correspondence between the first terminal group and the second terminal group with different grouping granularities can be dynamically changed so that in different wake-up or paging scenarios, the network device can further wake up or page a subgroup of the first terminal group.
[0058] In combination with the embodiments of the first aspect, in some embodiments, each first terminal group corresponds to N3 second terminal groups, where N3 satisfies: N3 = floor(M / K1), or N3 = floor(M / K1) + mod(M, K1), floor() represents a rounding-down operation, and mod() represents a remainder operation.
[0059] In the above embodiment, in each wake-up or paging scenario, the correspondence between the first terminal group and the second terminal group can be determined based on the above method, so as to further indicate the wake-up or paging of a subgroup of the first terminal group and improve the accuracy of the wake-up or paging.
[0060] In conjunction with the embodiment of the first aspect, in some embodiments, the first information is used to indicate a first terminal group to be awakened or to be paged;
[0061] The second information is used to indicate the identifier of the terminal to be awakened or paged.
[0062] In the above embodiment, the first information may indicate the terminal group to be awakened or paged, and the second information may indicate the terminal identifier to be awakened or paged, so that terminals with different capabilities can be awakened or paged in a timely manner based on the corresponding information.
[0063] In combination with the embodiments of the first aspect, in some embodiments, the terminal corresponding to the terminal identifier belongs to or does not belong to the first terminal group.
[0064] In the above embodiment, when the terminal identifier belongs to the first terminal group, the network device can improve the accuracy of wake-up or paging through the coordination of the first information and the second information; when the terminal identifier does not belong to the first terminal group, the network device can use the first information and the second information to perform paging or wake-up instructions respectively, thereby improving the information capacity of LP WUS.
[0065] In conjunction with the embodiment of the first aspect, in some embodiments, the first information is used to indicate an identifier of a first terminal to be awakened or to be paged;
[0066] The second information is used to indicate a second terminal identifier to be awakened or paged, and the second terminal identifier includes the first terminal identifier, or the second terminal identifier is different from the first terminal identifier.
[0067] In the above embodiment, the network device may indicate different terminal identifiers through the first information and the second information, thereby waking up or paging more terminals.
[0068] In combination with the embodiments of the first aspect, in some embodiments, the first terminal identifier corresponds to a terminal with a first capability or a second capability, and the second terminal identifier corresponds to a terminal with a second capability, wherein the first capability is weaker than the second capability.
[0069] In the above embodiment, the network device adapts to different wake-up methods for terminals with different capabilities based on the first information and the second information, thereby waking up or paging terminals with different capabilities in a timely manner.
[0070] In conjunction with the embodiment of the first aspect, in some embodiments, the first information is used to indicate a third terminal group to be awakened or paged;
[0071] The second information is used to indicate a fourth terminal group to be awakened or paged;
[0072] The third terminal group includes terminals with a first capability, and the fourth terminal group includes terminals with a second capability, wherein the first capability is weaker than the second capability.
[0073] In the above embodiment, the network device may instruct to wake up or page terminal groups with different capabilities, so that terminals with corresponding capabilities may determine whether to be woken up or paged based on the supported first information or second information.
[0074] In combination with the embodiments of the first aspect, in some embodiments, a terminal with a first capability supports processing the first information, and a terminal with a second capability supports processing the first information and the second information.
[0075] In the above embodiment, terminals with different capabilities can process different information of the LP WUS, so that the network device can wake up the terminals with different capabilities based on the first information and the second information.
[0076] In conjunction with the embodiments of the first aspect, in some embodiments, the method further includes:
[0077] The network device receives capability information sent by the terminal, where the capability information is used to indicate that the terminal supports the first capability or the second capability; or
[0078] Network devices obtain capability information from core network devices.
[0079] In the above embodiment, the network device may obtain the capability information of the terminal from the terminal or the core network device, and then send the information of the supported processing to the terminal based on the capability information, so as to accurately wake up the terminal that needs to be woken up.
[0080] In conjunction with the embodiments of the first aspect, in some embodiments, the first information is used to indicate a first terminal group to be awakened;
[0081] The second information is used to indicate the behavior of the terminal to be awakened.
[0082] In the above embodiment, the network device can wake up the terminal by modulating information and instruct the terminal on the behavior after waking up, thereby improving the processing efficiency of the terminal after waking up.
[0083] In conjunction with the embodiments of the first aspect, in some embodiments, the second information includes at least one of the following:
[0084] Bandwidth Part (BWP) to be switched;
[0085] Multiple-Input Multiple-Output layer (MIMO layer) indication;
[0086] Search Space Set Group switching (SSSG switching) indication.
[0087] In the above embodiment, the network device can indicate different types of information so that the terminal can perform relevant operations in a timely manner after waking up, thereby improving communication efficiency.
[0088] In conjunction with the embodiments of the first aspect, in some embodiments, the modulation signal is a LP WUS signal based on binary on-off keying (OOK).
[0089] In the above embodiment, the network device transmits the LP WUS signal through OOK modulation and applies the amplitude or time-frequency sequence of OOK to carry different information, so as to improve the capacity of the LP WUS signal.
[0090] In a second aspect, an embodiment of the present disclosure provides a method for carrying a wake-up signal, the method comprising:
[0091] The terminal receives a modulated signal sent by a network device, the signal amplitude of the modulated signal carries first information of the LP WUS, and the time domain sequence or frequency domain sequence corresponding to the modulated signal carries second information of the LP WUS.
[0092] In the above embodiment, the terminal receives the LP WUS based on the modulated signal and obtains different information of the LP WUS carried by the modulated signal based on different characteristics of the modulated signal, thereby improving the effect of LP WUS wake-up and increasing the amount of LP WUS information.
[0093] In conjunction with the embodiment of the second aspect, in some embodiments, the first information is used to indicate a first terminal group to be awakened or to be paged;
[0094] The second information is used to indicate a second terminal group to be awakened or paged, where the second terminal group is a subgroup of the first terminal group.
[0095] In combination with the embodiments of the second aspect, in some embodiments, the first information includes K indicator bits, each of the K indicator bits corresponds to a first terminal group; wherein, when any indicator bit is the first value, it indicates that the first terminal group corresponding to any indicator bit includes a terminal to be awakened or paged, and K is an integer greater than 0.
[0096] In combination with the embodiments of the second aspect, in some embodiments, the second information includes M indicator bits, each of the M indicator bits corresponds to a second terminal group; wherein, when any indicator bit is the first value, it indicates that the second terminal group corresponding to any indicator bit includes a terminal to be awakened or paged.
[0097] In combination with the embodiments of the second aspect, in some embodiments, each first terminal group corresponds to N1 second terminal groups, where M=N1*K, and N1 is an integer greater than 1.
[0098] In combination with the embodiments of the second aspect, in some embodiments, among the first terminal groups corresponding to K indicator bits, a first terminal group whose indicator bit is the first value corresponds to N2 second terminal groups, where N2 is an integer greater than 1.
[0099] In conjunction with the embodiment of the second aspect, in some embodiments, the number of indicator bits of the first value in the K indicator bits is K1,
[0100] When K1*N2=M, each first terminal group in the K1 first terminal groups corresponds to N2 second terminal groups; or,
[0101] When K1*N2<M, the M indication bits include the reserved indication bit; or,
[0102] When K1*N2>M, the K2 first terminal groups included in the K1 first terminal groups have corresponding second terminal groups, wherein K2*N2≤M, and (K2+1)*N2>M.
[0103] In conjunction with the embodiments of the second aspect, in some embodiments, the correspondence between the second terminal group and the first terminal group is determined based on the number K1 of indicator bits of the first value among the M indicator bits and the K indicator bits.
[0104] In conjunction with the embodiments of the second aspect, in some embodiments, each first terminal group corresponds to N3 second terminal groups, where N2 satisfies:
[0105] N3=floor(M / K1), or N3=floor(M / K1)+mod(M, K1), where floor() represents a rounding-down operation and mod() represents a remainder operation.
[0106] In conjunction with the embodiment of the second aspect, in some embodiments, the first information is used to indicate a first terminal group to be awakened or to be paged;
[0107] The second information is used to indicate the identifier of the terminal to be awakened or paged.
[0108] In combination with the embodiments of the second aspect, in some embodiments, the terminal corresponding to the terminal identifier belongs to or does not belong to the first terminal group.
[0109] In conjunction with the embodiment of the second aspect, in some embodiments, the first information is used to indicate a first terminal identifier to be awakened or to be paged;
[0110] The second information is used to indicate a second terminal identifier to be awakened or paged, and the second terminal identifier includes the first terminal identifier, or the second terminal identifier is different from the first terminal identifier.
[0111] In combination with the embodiments of the second aspect, in some embodiments, the first terminal identifier corresponds to a terminal with a first capability or a second capability, and the second terminal identifier corresponds to a terminal with a second capability, where the first capability is weaker than the second capability.
[0112] In conjunction with the embodiments of the second aspect, in some embodiments, the method further includes:
[0113] The terminal is a terminal with the first capability, and the terminal determines whether to be awakened or paged according to the first information; or,
[0114] The terminal is a terminal with the second capability, and the terminal determines whether to be awakened or paged according to the second information and / or the first information.
[0115] In conjunction with the embodiment of the second aspect, in some embodiments, the first information is used to indicate a third terminal group to be awakened or paged;
[0116] The second information is used to indicate a fourth terminal group to be awakened or paged;
[0117] The third terminal group includes terminals with a first capability, and the fourth terminal group includes terminals with a second capability, wherein the first capability is weaker than the second capability.
[0118] In conjunction with the embodiments of the second aspect, in some embodiments, the method further includes:
[0119] The terminal is a terminal with the first capability, and the terminal determines whether to be awakened or paged according to the first information; or,
[0120] The terminal is a terminal with the second capability, and the terminal determines whether to be awakened or paged according to the second information.
[0121] In combination with the embodiments of the second aspect, in some embodiments, a terminal with a first capability supports processing the first information, and a terminal with a second capability supports processing the first information and the second information.
[0122] In conjunction with the embodiments of the second aspect, in some embodiments, the method further includes:
[0123] The terminal sends capability information to the network device, where the capability information is used to indicate whether the terminal supports the first capability or the second capability.
[0124] In conjunction with the embodiment of the second aspect, in some embodiments, the first information is used to indicate a first terminal group to be awakened;
[0125] The second information is used to indicate the behavior of the terminal to be awakened.
[0126] In conjunction with the embodiments of the second aspect, in some embodiments, the second information includes at least one of the following:
[0127] BWP to be switched;
[0128] MIMO layer indication;
[0129] SSSG switching indication.
[0130] In combination with the embodiments of the second aspect, in some embodiments, the terminal is in a radio resource control RRC connected state.
[0131] In conjunction with the embodiments of the second aspect, in some embodiments, the modulated signal is an OOK-based LP WUS signal.
[0132] In a third aspect, an embodiment of the present disclosure provides a network device, including:
[0133] The transceiver module is configured to send a modulated signal to the terminal, wherein the signal amplitude of the modulated signal carries the first information of the LP WUS, and the time domain sequence or frequency domain sequence corresponding to the modulated signal carries the second information of the LP WUS.
[0134] In a fourth aspect, an embodiment of the present disclosure provides a terminal, including:
[0135] The transceiver module is configured to receive a modulated signal sent by a network device, wherein the signal amplitude of the modulated signal carries the first information of the LP WUS, and the time domain sequence or frequency domain sequence corresponding to the modulated signal carries the second information of the LP WUS.
[0136] In a fifth aspect, an embodiment of the present disclosure provides a network device, including:
[0137] one or more processors;
[0138] The network device is used to execute the method of the first aspect.
[0139] In a sixth aspect, an embodiment of the present disclosure provides a terminal, including:
[0140] one or more processors;
[0141] The terminal is used to execute the method of the second aspect.
[0142] In a seventh aspect, an embodiment of the present disclosure provides a communication system, including a terminal and a network device, wherein:
[0143] The network device is configured to implement the method of the first aspect;
[0144] The terminal is configured to implement the method of the second aspect.
[0145] In an eighth aspect, an embodiment of the present disclosure provides a storage medium, wherein the storage medium stores instructions, wherein:
[0146] When the instructions are executed on the communication device, the communication device is caused to execute the method of the first aspect or the second aspect.
[0147] In a ninth aspect, an embodiment of the present disclosure proposes a program product. When the program product is executed by a communication device, the communication device executes the method described in the optional implementation of the first and second aspects.
[0148] In a tenth 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 and second aspects.
[0149] In an eleventh 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 and second aspects above.
[0150] It is understandable that the above-mentioned terminals, network devices, communication systems, storage media, program products, computer programs, chips, or chip systems are all 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.
[0151] 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.
[0152] 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.
[0153] 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.
[0154] 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.
[0155] In the embodiments of the present disclosure, “plurality” refers to two or more.
[0156] In some embodiments, the terms "at least one," "one or more," "a plurality of," "multiple," etc. may be used interchangeably.
[0157] 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.
[0158] 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 also applicable when there are more branches such as A, B, C, etc.
[0159] 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.
[0160] 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.
[0161] 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.
[0162] 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.
[0163] In some embodiments, devices and equipment can be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments. In some cases, they can also be understood as "equipment", "device", "circuit", "network element", "node", "function", "unit", "section", "system", "network", "chip", "chip system", "entity", "subject", etc.
[0164] In some embodiments, "network" can be interpreted as devices included in the network, such as access network equipment, core network equipment, etc.
[0165] In some embodiments, "access network device (AN device)" may also be referred to as "radio access network device (RAN device)", "base station (BS)", "radio base station", "fixed station", and in some embodiments may also be understood as "node", "access point", "transmission point (TP)", "reception point (RP)", "transmission and / or reception point (TRP)" "panel", "antenna panel", "antenna array", "cell", "macro cell", "small cell", "femto cell", "pico cell", "sector", "cell group", "serving cell", "carrier", "component carrier", "bandwidth part (BWP)", etc.
[0166] In some embodiments, "terminal" or "terminal device" may be referred to as "user equipment (UE)", "user terminal" "mobile station (MS)", "mobile terminal (MT)", subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client, etc.
[0167] In some embodiments, obtaining data, information, etc. may comply with the laws and regulations of the country where the data is obtained.
[0168] In some embodiments, data, information, etc. may be obtained with the user's consent.
[0169] 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.
[0170] FIG1 is a schematic diagram showing the architecture of a communication system according to an embodiment of the present disclosure.
[0171] As shown in FIG. 1 , a communication system 100 includes a terminal 101 and a network device 102 .
[0172] In some embodiments, the terminal 101 includes, for example, a mobile phone, a wearable device, an Internet of Things device, a car with communication function, a smart car, a tablet computer, a computer with wireless transceiver function, 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 a smart grid, a wireless terminal device in transportation safety, a wireless terminal device in a smart city, and at least one of a wireless terminal device in a smart home, but is not limited thereto.
[0173] In some embodiments, the network device 102 may include at least one of an access network device and a core network device.
[0174] In some embodiments, the access network device is, for example, a node or device that accesses a terminal to a 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 wireless fidelity (WiFi) system, but is not limited thereto.
[0175] 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.
[0176] 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. 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.
[0177] In some embodiments, the core network device can be a device including one or more network elements, or it can be multiple devices or device groups, each including all or part of one or more network elements. The network element can be virtual or physical. The core network includes, for example, at least one of the Evolved Packet Core (EPC), the 5G Core Network (5GCN), and the Next Generation Core (NGC). Alternatively, the core network device refers to a network element with a specific function, such as the Access Management Function (AMF), the Service Management Function (SMF), etc.
[0178] It can be understood that the communication system described in the embodiment of the present disclosure is for the purpose of more clearly illustrating the technical solution of the embodiment of the present disclosure, and does not constitute a limitation on the technical solution provided by the embodiment of the present disclosure. Ordinary technicians in this field can know that with the evolution of the system architecture and the emergence of new business scenarios, the technical solution provided by the embodiment of the present disclosure is also applicable to similar technical problems.
[0179] The following embodiments of the present disclosure may be applied to the communication system 100 shown in FIG. 1 , or a part of the main body thereof, but are not limited thereto.
[0180] The entities shown in Figure 1 are examples. The communication system may include all or part of the entities in Figure 1, and may also include other entities outside of Figure 1. The number and form of the entities are arbitrary. The connection relationship between the entities is an example. The entities may be connected or disconnected, and the connection may be in any manner, which may be direct or indirect, and may be wired or wireless.
[0181] The embodiments of the present disclosure can 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 802.20, 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 processing methods, and next-generation systems based on and extending these. Furthermore, multiple systems may be combined (for example, a combination of LTE or LTE-A with 5G).
[0182] In the disclosed embodiment, when the LP WUR of terminal 101 detects an LP WUS targeting the terminal, it can activate the MR and conduct normal communication transmission. Otherwise, terminal 101 can remain in the MR sleep or ultra-deep sleep state, significantly reducing MR power consumption. Furthermore, the LP WUR consumes extremely low power, resulting in greater power savings.
[0183] In the disclosed embodiment, to properly detect the LP-WUS, terminal 101 needs to obtain the time and frequency location of the LP-WUS transmission by network device 102. Terminal 101 can achieve time and frequency synchronization by detecting a synchronization signal. Optionally, the synchronization signal can be, for example, a synchronization signal block (SSB) or a low-power synchronization signal (LP-SS). Based on the time and frequency synchronization achieved by the SSB and / or LP-SS, the LP-WUS can directly carry wake-up-related information.
[0184] The embodiment of the present disclosure provides a method for transmitting LP WUS using a modulation method, such as using Amplitude Shift Keying (ASK) modulation to carry wake-up related information in LP WUS. Optionally, OOK modulation is a type of ASK modulation.
[0185] Figure 2a is an interactive diagram of a method for carrying a wake-up signal according to an embodiment of the present disclosure. As shown in Figure 2a, an embodiment of the present disclosure relates to a method for carrying a wake-up signal, the method comprising:
[0186] Step S2101 : The network device 102 obtains the capability information of the terminal 101 .
[0187] Optionally, the capability information is used to indicate whether the terminal supports the first capability or the second capability.
[0188] Optionally, for the terminal 101 with the first capability, its LP WUR supports envelope detection (Envelope Detection) of modulation information such as OOK signals, and the LP WUR of the terminal 101 with this capability can be called OOK LR.
[0189] Optionally, for the second capability terminal 101, its LP WUR supports detection of modulation information such as a time domain sequence or a frequency domain sequence of an OOK signal, thereby improving link performance. The LP WUR of the capability terminal 101 may be referred to as orthogonal frequency division multiplexing (OFDM) LR.
[0190] Optionally, the first capability is weaker than the second capability, and the receiver link performance of the first capability terminal 101 is worse than that of the second capability terminal 101 .
[0191] In some embodiments, the network device 102 may obtain capability information of different terminals 101 from the core network device. For example, for a terminal 101 in an idle or inactive state of Radio Resource Control (RRC), the network device 102 may obtain its capability information from the core network device in a paging scenario.
[0192] In some embodiments, the network device 102 may receive capability information sent by the terminal 101. For example, the terminal 101 in an RRC connected state may send capability information to the network device 102 to facilitate the network device 102 to wake up the terminal.
[0193] In some embodiments, step S2101 may be omitted. For example, when the LP WUS sent by the network device 102 is applicable to all terminals 101 and does not need to differentiate capabilities, step S2101 may be omitted.
[0194] Step S2102 , the network device 102 sends a modulated signal to the terminal 101 .
[0195] Optionally, the modulated signal may be an LP WUS based on ASK modulation, for example, the modulated signal may be an LP WUS based on OOK modulation. Optionally, the embodiments of the present disclosure are described using OOK modulation as an example, and the relevant embodiments or methods may be extended to other ASK modulations.
[0196] In one example, referring to the time domain waveform diagram of the OOK modulated signal shown in FIG2b , the OOK modulated signal includes high-level (ON) symbols and low-level (OFF) symbols according to the signal amplitude. Among them, the high-level symbol represents bit 1, the low level represents the symbol bit 0, and the duration of each OOK symbol can be the duration of an OFDM symbol. Optionally, the information of LP-WUS can be mapped to an OOK symbol after encoding, and each coded bit can be mapped to an OOK symbol. For example, Manchester coding is used: for 1 / 2 Manchester coding, information bit 1 can be mapped to 2 coded bits (1, 0), and information bit 0 can be mapped to 2 coded bits (0, 1); for 1 / 4 Manchester coding, information bit 1 can be mapped to 4 coded bits (1, 0, 1, 0), and information bit 0 can be mapped to 4 coded bits (0, 1, 0, 1). This embodiment uses the amplitude of the OOK modulated signal to carry information.
[0197] In another example, the sequence in the frequency domain corresponding to each OOK symbol, that is, the frequency domain sequence, can be used to carry information. The frequency domain sequence can obtain the corresponding time domain sequence after time-frequency conversion. Therefore, the frequency domain sequence and the time domain sequence of the OOK modulated signal correspond to each other and can be converted into each other. Optionally, the frequency domain sequence or the time domain sequence can carry multiple bits of information. For example, if there are T sequences that can be used to carry information for each OOK symbol, the symbol can carry T types of information, corresponding to floor(log2T) bits. This embodiment uses the time domain sequence or frequency domain sequence of the OOK modulated signal to carry information.
[0198] Optionally, when T>2, in this embodiment, the information carried by the time domain sequence or the frequency domain sequence is greater than the information carried by the OOK modulated signal amplitude.
[0199] In some embodiments, the signal amplitude of the modulated signal carries the first information of the LP WUS, and the time domain sequence or frequency domain sequence corresponding to the modulated signal carries the second information of the LP WUS.
[0200] Optionally, the first information and the second information may be different, for example, carrying different wake-up information.
[0201] Optionally, the terminal with the first capability supports processing the first information, and the terminal with the second capability supports processing the first information and the second information.
[0202] Optionally, the contents of the first information and the second information may include the following different implementations, see the first to fifth implementations below:
[0203] In a first embodiment, the first information is used to indicate a first terminal group to be awakened or paged; the second information is used to indicate a second terminal group to be awakened or paged, and the second terminal group is a subgroup of the first terminal group.
[0204] Optionally, the names of the first terminal group and the second terminal group are only used to define grouping methods with different grouping granularity. The grouping granularity of the second terminal group is smaller than that of the first terminal group. For example, a first terminal group can be further divided into multiple second terminal groups, that is, the second terminal group is a subgroup of the first terminal group.
[0205] Optionally, the first information includes K indicator bits, each of the K indicator bits corresponds to a first terminal group; wherein, when any indicator bit is the first value, it indicates that the first terminal group corresponding to any indicator bit includes a terminal to be awakened or paged, and K is an integer greater than 0.
[0206] When the LP WUS is used for a connected terminal, the LP WUS, such as the first LP WUS message, can be used to wake up terminal 101 whose MR is in a dormant state. When the LP WUS is used for an idle or inactive terminal, the LP WUS can be used to indicate the terminal to be paged. The wakeup or paging in the following embodiments can be referred to as described herein; that is, the purpose of the LP WUS is related to the terminal's state.
[0207] Each indicator bit may occupy 1 bit, and the first information includes K bits. The first information can indicate whether the K first terminal groups are awakened or paged.
[0208] In an embodiment where each indicator bit occupies 1 bit, the first value may be 1. For example, when the value of the Kth indicator bit is 1, it indicates that at least one terminal 101 in the Kth first terminal group corresponding to the Kth indicator bit is awakened or paged. It is worth noting that when a terminal group includes a terminal that needs to be awakened or paged, all terminals in the terminal group can be awakened by the LP WUS.
[0209] Optionally, the second information includes M indicator bits, each of the M indicator bits corresponds to a second terminal group; wherein, when any indicator bit is the first value, it indicates that the second terminal group corresponding to any indicator bit includes a terminal to be awakened or paged.
[0210] With reference to the description of the embodiment in the first information, the second information may include M bits. The second information can indicate whether the M second terminal groups are awakened or paged.
[0211] Optionally, the first terminal group and the second terminal group have different grouping granularities. The correspondence between the first terminal group and the second terminal group, or the correspondence between the first terminal group and the subgroup second terminal group, may include the following examples:
[0212] In the first example, each first terminal group corresponds to N1 second terminal groups, where M=N1*K, and N1 is an integer greater than 1.
[0213] In this example, the grouping granularity corresponding to the first terminal group may be recorded as grouping granularity 1, and the grouping granularity corresponding to the second terminal group may be recorded as grouping granularity 2.
[0214] In this example, taking the case where the first information contains K bits and the second information contains M bits, every N1 bits in the second information corresponds to one bit in the first information, that is, a packet at grouping granularity 1 can be divided into N1 packets at grouping granularity 2. Compared with the first information, the second information provides more accurate information about the terminal being paged or awakened, which can reduce unnecessary terminal wakeups.
[0215] For example, in the first message, assuming the bit value corresponding to the first terminal group A is 1, all terminals in the first terminal group A are awakened. Taking N1=2 as an example, the first terminal group A is divided into the second terminal group A1 and the second terminal group A2 at the group granularity of 2. In the second message, assuming the bit value corresponding to the second terminal group A1 and the second terminal group A2 is "10", based on the group granularity of 2 in the second message, the second terminal group A1 is awakened, and the second terminal group A2 does not need to be awakened.
[0216] In the second example, among the first terminal groups corresponding to the K indicator bits, a first terminal group whose indicator bit is the first value corresponds to N2 second terminal groups, where N2 is an integer greater than 1.
[0217] In this example, reference may be made to the description of the above embodiment, wherein N2 and N1 may be the same or different.
[0218] In this example, the number of indicator bits of the first value in the K indicator bits is K1.
[0219] When K1*N2=M, each first terminal group in the K1 first terminal groups corresponds to N2 second terminal groups; or,
[0220] When K1*N2<M, the M indication bits include the reserved indication bit; or,
[0221] When K1*N2>M, the K2 first terminal groups included in the K1 first terminal groups have corresponding second terminal groups, wherein K2*N2≤M, and (K2+1)*N2>M.
[0222] Each indicator bit may still occupy 1 bit, and the first value may still be 1.
[0223] In this example, the grouping granularity for the first terminal group is the same as in the first example, while the grouping granularity for the second terminal group may be different. When K1 ≤ M / N2, each "1" bit in the first information has a corresponding N2 bits in the second information. When K1*N2 < M, the excess bits in M can be used as reserved bits or pre-reserved bits.
[0224] In this example, the K2 bits can be the bits with a value of "1" that are ranked first among the K1 bits, thereby locating the corresponding first terminal group. For example, if K1>M / N2, then the M / N2 bits with a value of "1" among the K1 bits in the first information have corresponding N2 bits in the second information.
[0225] For example, assuming that K=8, K1=3 in the first information, and M=16, N2=4 in the second information, then for the K1 bits with a value of "1", each bit with a value of "1" corresponds to 4 bits in the second information, and the remaining M-K1*N2=16-3*4=4 bits are redundant and can be reserved. For another example, assuming that K=8, K1=3 in the first information, and M=8, N2=4 in the second information, then for the two bits with a value of "1" in the K1 bits, each bit with a value of "1" corresponds to 4 bits in the second information, and the remaining one bit with a value of "1" in the K1 bits has no corresponding bit in the second information.
[0226] In the third example, the correspondence between the second terminal group and the first terminal group is determined according to the M indicator bits and the number K1 of the indicator bits of the first value among the K indicator bits.
[0227] In this example, each first terminal group corresponds to N3 second terminal groups, where N3 satisfies:
[0228] N3=floor(M / K1), or N3=floor(M / K1)+mod(M, K1), where floor() represents a rounding-down operation and mod() represents a remainder operation.
[0229] In this example, the grouping granularity of the first terminal group is the same as that in the first example; the grouping granularity of the second terminal group may be different from that in the first example.
[0230] For example, assume that K=8 and K1=3 in the first information, and M=16 in the second information. Then, N3=floor(M / K1)=5, or N3=floor(M / K1)+mod(M, K1)=6. Therefore, for the two "1" bits in K1, each bit corresponds to every five bits in the second information. Furthermore, the remaining "1" bit in K1 corresponds to the remaining six bits in the second information. Based on this example, assuming the bit value corresponding to the first terminal group A in the first information is 1, all terminals in group A may be awakened. At the grouping granularity of the second terminal group, assuming that the first terminal group A is divided into second terminal groups A1, A2, A3, A4, and A5, the bit values corresponding to these second terminal groups are "10011," indicating that second terminal groups A1, A4, and A5 need to be awakened, while A2 and A3 do not. The second information, based on the first information, provides more accurate information about awakened or paged terminals, reducing unnecessary terminal wakeups.
[0231] Optionally, in the three examples of the first embodiment, terminals 101 with different capabilities may perform different processing. For example, for a terminal 101 with the first capability (using OOK LR), it can detect the first information and can determine that it needs to wake up based on the first information. For another example, for a terminal 101 with the second capability (using OFDM LR), it can detect the first information and the second information. In the first example above, since the second information contains the content of the first information, the terminal 101 with the second capability can determine that it needs to wake up based only on the second information, or determine whether it needs to wake up based on the first information and the second information. In the second example or the third example above, the terminal 101 with the second capability can determine whether it needs to wake up based on the first information and the second information.
[0232] In a second embodiment, the first information is used to indicate a first terminal group to be awakened or paged;
[0233] The second information is used to indicate a terminal identity (UE ID) to be awakened or paged.
[0234] Optionally, the terminal corresponding to the terminal identifier belongs to or does not belong to the first terminal group.
[0235] Optionally, the relevant implementations in the second implementation can still refer to the first implementation, for example, the first information includes K bits, each bit corresponds to a first terminal group; the second information includes M bits, each bit corresponds to a terminal identifier.
[0236] Optionally, the terminal identifier occupies more bits, such as 48 bits.
[0237] Optionally, the second message can carry more bits of information. In conjunction with the description of the preceding embodiment, assuming that the OOK modulated signal includes L OOK high-level symbols, and each high-level symbol can carry T sequences of information, the second message can carry L*floor(log2T) bits of information. Taking L=12, T=16, and a 48-bit UE ID as an example, the second message can carry one paged UE ID.
[0238] Optionally, the UE ID carried in the second information may belong to the first terminal group indicated to be paged in the first information, or may not belong to the first terminal group.
[0239] For example, if the network device 102 does not distinguish terminal capabilities or is unaware of terminal capabilities when sending the LP WUS, the UE ID carried in the second message may belong to the first terminal group to be paged in the first message. If the network device 102 needs to distinguish terminal capabilities when sending the LP WUS or knows that the terminal capability is the second capability, the UE ID carried in the second message may belong to or not belong to the first terminal group to be paged as indicated in the first message.
[0240] Optionally, in the second embodiment, terminals 101 with different capabilities may perform different processing. For example, a terminal with the first capability may determine whether it needs to be awakened or paged based on the first information; a terminal with the second capability may determine whether it needs to be awakened or paged based on the first information and the second information, or determine whether it needs to be awakened or paged based on the second information.
[0241] In a third embodiment, the first information is used to indicate an identifier of a first terminal to be awakened or to be paged;
[0242] The second information is used to indicate a second terminal identifier to be awakened or paged, and the second terminal identifier includes the first terminal identifier, or the second terminal identifier is different from the first terminal identifier.
[0243] Optionally, the first terminal identifier and the second terminal identifier are only used to distinguish different terminal identifiers (UE IDs) in name, so as to indicate that the terminal identifiers indicated by the first information and the second information are different.
[0244] Optionally, when the capacity of the first information is large, such as when the LP WUS occupies a large number of OOK symbols, the first information can carry the UE ID. For example, the first information contains 48 bits and can carry one UE ID. For a terminal in the RRC connected state, its UE ID can occupy 16 bits. The LP WUS is Manchester-encoded and OOK-amplified, containing L high-level symbols and L low-level symbols. Each high-level symbol can carry T sequences of information. Therefore, the second information can carry L*floor(log2T) bits of information.
[0245] Optionally, in this manner, the network device 102 knows the capability of the terminal to be awakened or paged, such as obtaining the terminal capability through step S2101.
[0246] Optionally, the first terminal identifier corresponds to a terminal with the first capability or the second capability, and the second terminal identifier corresponds to a terminal with the second capability, wherein the first capability is weaker than the second capability. For example, the UE ID in the first information corresponds to a terminal with OOK LR or OFDM LR, and the UE ID in the second information corresponds to a terminal with OFDM LR.
[0247] Optionally, the UE ID paged or awakened in the second information may include the UE ID paged or awakened in the first information, or the UE ID paged or awakened in the second information does not overlap with the UE ID paged or awakened in the first information.
[0248] Optionally, in a third embodiment, terminals 101 with different capabilities may perform different processing. For example, a terminal with a first capability may determine whether it needs to be awakened or paged based on the first information; a terminal with a second capability may determine whether it needs to be awakened or paged based on the first information and the second information, or determine whether it needs to be awakened or paged based on the second information.
[0249] Optionally, the terminal 101 may be in RRC idle, inactive or connected state.
[0250] In a fourth embodiment, the first information is used to indicate a third terminal group to be awakened or paged;
[0251] The second information is used to indicate a fourth terminal group to be awakened or paged;
[0252] The third terminal group includes terminals with a first capability, and the fourth terminal group includes terminals with a second capability, wherein the first capability is weaker than the second capability.
[0253] Optionally, in this manner, the network device 102 knows the capability of the terminal to be awakened or paged, such as obtaining the terminal capability through step S2101.
[0254] Optionally, in a fourth embodiment, terminals 101 with different capabilities may perform different processing. For example, a terminal with the first capability may determine whether it needs to be awakened or paged based on the first information; a terminal with the second capability may determine whether it needs to be awakened or paged based on the second information.
[0255] Optionally, the terminal 101 may be in RRC idle, inactive or connected state.
[0256] In a fifth implementation, the first information is used to indicate a first terminal group to be awakened;
[0257] The second information is used to indicate the behavior of the terminal to be awakened.
[0258] Optionally, the second information includes at least one of the following:
[0259] BWP to be switched;
[0260] MIMO layer indication;
[0261] SSSG switching indication.
[0262] Optionally, in a fifth embodiment, terminals 101 with different capabilities may perform different processing. For example, a terminal with the first capability may receive the first message but not the second message. After being awakened by the first message, the terminal with the first capability may perform operations based on other signaling instructions from the network device. A terminal with the second capability may receive both the first and second messages and, after being awakened, perform corresponding operations based on the instructions in the second message, such as performing BWP switching, setting the maximum MIMO layer, monitoring the corresponding SSSG, etc.
[0263] Optionally, in this implementation, the terminal 101 is in RRC connected.
[0264] In some embodiments, the names of information, etc. are not limited to the names described in the embodiments, and terms such as "information", "message", "signal", "signaling", "report", "configuration", "indication", "instruction", "command", "channel", "parameter", "domain", and "field" can be used interchangeably.
[0265] In some embodiments, "obtain", "get", "get", "receive", "transmit", "bidirectional transmission", "send and / or receive" can be interchangeable, and can be interpreted as receiving from other entities, obtaining from protocols, obtaining from higher layers, obtaining by self-processing, autonomous implementation, etc.
[0266] In some embodiments, terms such as "send", "transmit", "report", "download", "transmit", "bidirectional transmission", "send and / or receive" can be used interchangeably.
[0267] In some embodiments, the terms "radio", "wireless", "radio access network (RAN)", "access network (AN)", "RAN-based" and the like may be used interchangeably.
[0268] In some embodiments, terms such as "moment", "time point", "time", and "time position" can be replaced with each other, and terms such as "duration", "period", "time window", "window", and "time" can be replaced with each other.
[0269] In some embodiments, the terms "component carrier (CC)", "cell", "frequency carrier", "carrier frequency" and the like can be used interchangeably.
[0270] In some embodiments, terms such as "certain", "preseted", "preset", "setting", "indicated", "some", "any", and "first" can be interchangeable. "Specific A", "preset A", "preset A", "setting A", "indicated A", "some A", "any A", and "first A" can be interpreted as A pre-specified in a protocol, etc., or as A obtained through setting, configuration, or indication, etc., or as specific A, some A, any A, or first A, etc., but not limited to this.
[0271] In some embodiments, the determination or judgment can be performed by a value represented by 1 bit (0 or 1), or by a true or false value (Boolean value) represented by true or false, or by comparison of numerical values (for example, comparison with a predetermined value), but is not limited thereto.
[0272] In some embodiments, "not expecting to receive" can be interpreted as not receiving on time domain resources and / or frequency domain resources, or as not performing subsequent processing on the data after receiving it; "not expecting to send" can be interpreted as not sending, or as sending but not expecting the recipient to respond to the content sent.
[0273] The method involved in the embodiment of the present disclosure may include at least one of steps S2101 to S2102, such as the method including step S2102.
[0274] In some embodiments, step S2101 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
[0275] In some embodiments, reference may be made to other optional implementations described before or after the description corresponding to FIG. 2 a .
[0276] FIG3a is a schematic diagram of a method for carrying 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 carrying a wake-up signal, which is executed by a network device 102 and includes:
[0277] Step S3101, obtaining capability information.
[0278] In some embodiments, the implementation of step S3101 can refer to the optional implementation of step S2101 and will not be repeated here.
[0279] Step S3102: Send a modulated signal.
[0280] In some embodiments, the implementation of step S3102 can refer to the optional implementation of step S2102 and will not be repeated here.
[0281] The method involved in the embodiment of the present disclosure may include at least one of steps S3101 to S3102, such as the method including step S3102.
[0282] In some embodiments, reference may be made to other optional implementations described before or after the description corresponding to FIG. 3 a .
[0283] FIG3b is a schematic diagram of a method for carrying 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 carrying a wake-up signal, which is executed by a network device 102 and includes:
[0284] Step S3201: Send a modulated signal to the terminal.
[0285] In some embodiments, the implementation of step S3201 can refer to the optional implementation of step S2102 and will not be repeated here.
[0286] Optionally, the signal amplitude of the modulated signal carries the first information of the LP WUS, and the time domain sequence or the frequency domain sequence corresponding to the modulated signal carries the second information of the LP WUS.
[0287] In some embodiments, the first information is used to indicate a first terminal group to be awakened or paged;
[0288] The second information is used to indicate a second terminal group to be awakened or paged, where the second terminal group is a subgroup of the first terminal group.
[0289] In some embodiments, the first information includes K indicator bits, each of the K indicator bits corresponds to a first terminal group; wherein, when any indicator bit is the first value, it indicates that the first terminal group corresponding to any indicator bit includes a terminal to be awakened or paged, and K is an integer greater than 0.
[0290] In some embodiments, the second information includes M indicator bits, each of the M indicator bits corresponds to a second terminal group; wherein, when any indicator bit is the first value, it indicates that the second terminal group corresponding to any indicator bit includes a terminal to be awakened or paged.
[0291] In some embodiments, each first terminal group corresponds to N1 second terminal groups, where M=N1*K, and N1 is an integer greater than 1.
[0292] In some embodiments, among the first terminal groups corresponding to the K indicator bits, a first terminal group whose indicator bit is the first value corresponds to N2 second terminal groups, where N2 is an integer greater than 1.
[0293] In some embodiments, the number of indicator bits of the first value in the K indicator bits is K1,
[0294] When K1*N2=M, each first terminal group in the K1 first terminal groups corresponds to N2 second terminal groups; or,
[0295] When K1*N2<M, the M indication bits include the reserved indication bit; or,
[0296] When K1*N2>M, the K2 first terminal groups included in the K1 first terminal groups have corresponding second terminal groups, wherein K2*N2≤M, and (K2+1)*N2>M.
[0297] In some embodiments, the correspondence between the second terminal group and the first terminal group is determined according to the M indicator bits and the number K1 of the indicator bits of the first value in the K indicator bits.
[0298] In some embodiments, each first terminal group corresponds to N3 second terminal groups, where N3 satisfies:
[0299] N3=floor(M / K1), or N3=floor(M / K1)+mod(M, K1), where floor() represents a rounding-down operation and mod() represents a remainder operation.
[0300] In some embodiments, the first information is used to indicate a first terminal group to be awakened or paged;
[0301] The second information is used to indicate the identifier of the terminal to be awakened or paged.
[0302] In some embodiments, the terminal corresponding to the terminal identifier belongs to or does not belong to the first terminal group.
[0303] In some embodiments, the first information is used to indicate an identifier of a first terminal to be awakened or paged;
[0304] The second information is used to indicate a second terminal identifier to be awakened or paged, and the second terminal identifier includes the first terminal identifier, or the second terminal identifier is different from the first terminal identifier.
[0305] In some embodiments, the first terminal identifier corresponds to a terminal of a first capability or a second capability, and the second terminal identifier corresponds to a terminal of the second capability, wherein the first capability is weaker than the second capability.
[0306] In some embodiments, the first information is used to indicate a third terminal group to be awakened or paged;
[0307] The second information is used to indicate a fourth terminal group to be awakened or paged;
[0308] The third terminal group includes terminals with a first capability, and the fourth terminal group includes terminals with a second capability, wherein the first capability is weaker than the second capability.
[0309] In some embodiments, a terminal with a first capability supports processing the first information, and a terminal with a second capability supports processing the first information and the second information.
[0310] In some embodiments, the method further comprises:
[0311] The network device receives capability information sent by the terminal, where the capability information is used to indicate the first capability or the second capability of the terminal; or
[0312] Network devices obtain capability information from core network devices.
[0313] In some embodiments, the first information is used to indicate a first terminal group to be awakened;
[0314] The second information is used to indicate the behavior of the terminal to be awakened.
[0315] In some embodiments, the second information includes at least one of the following:
[0316] The bandwidth part BWP to be switched;
[0317] Multiple-input and multiple-output MIMO layer indication;
[0318] Search space set group SSSG switching indication.
[0319] In some embodiments, the modulated signal is a LP WUS signal based on binary on-off keying (OOK).
[0320] In some embodiments, reference may be made to other optional implementations described before or after the description corresponding to FIG. 3 b .
[0321] FIG4a is a schematic diagram of a method for carrying 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 carrying a wake-up signal, which is executed by a terminal 101 and includes:
[0322] Step S4101: Send capability information.
[0323] In some embodiments, the implementation of step S4101 can refer to the optional implementation of step S2101 and will not be repeated here.
[0324] Step S4102: Acquire a modulated signal.
[0325] In some embodiments, the implementation of step S4102 can refer to the optional implementation of step S2102 and will not be repeated here.
[0326] The method involved in the embodiment of the present disclosure may include at least one of steps S4101 to S4102, such as the method including step S3102.
[0327] In some embodiments, reference may be made to other optional implementations described before or after the description corresponding to FIG. 4 a .
[0328] FIG4 b is a schematic diagram of a method for carrying a wake-up signal according to an embodiment of the present disclosure. As shown in FIG4 b , an embodiment of the present disclosure relates to a method for carrying a wake-up signal, which is executed by terminal 101 and includes:
[0329] Step S4201: Receive a modulated signal sent by the network device 102.
[0330] In some embodiments, the implementation of step S4201 can refer to the optional implementation of step S2102 and will not be repeated here.
[0331] Optionally, the signal amplitude of the modulated signal carries the first information of the LP WUS, and the time domain sequence or the frequency domain sequence corresponding to the modulated signal carries the second information of the LP WUS.
[0332] In some embodiments, the first information is used to indicate a first terminal group to be awakened or paged;
[0333] The second information is used to indicate a second terminal group to be awakened or paged, where the second terminal group is a subgroup of the first terminal group.
[0334] In some embodiments, the first information includes K indicator bits, each of the K indicator bits corresponds to a first terminal group; wherein, when any indicator bit is the first value, it indicates that the first terminal group corresponding to any indicator bit includes a terminal to be awakened or paged, and K is an integer greater than 0.
[0335] In some embodiments, the second information includes M indicator bits, each of the M indicator bits corresponds to a second terminal group; wherein, when any indicator bit is the first value, it indicates that the second terminal group corresponding to any indicator bit includes a terminal to be awakened or paged.
[0336] In some embodiments, each first terminal group corresponds to N1 second terminal groups, where M=N1*K, and N1 is an integer greater than 1.
[0337] In some embodiments, among the first terminal groups corresponding to the K indicator bits, a first terminal group whose indicator bit is the first value corresponds to N2 second terminal groups, where N2 is an integer greater than 1.
[0338] In some embodiments, the number of indicator bits of the first value in the K indicator bits is K1,
[0339] When K1*N2=M, each first terminal group in the K1 first terminal groups corresponds to N2 second terminal groups; or,
[0340] When K1*N2<M, the M indication bits include the reserved indication bit; or,
[0341] When K1*N2>M, the K2 first terminal groups included in the K1 first terminal groups have corresponding second terminal groups, wherein K2*N2≤M, and (K2+1)*N2>M.
[0342] In some embodiments, the correspondence between the second terminal group and the first terminal group is determined according to the M indicator bits and the number K1 of the indicator bits of the first value in the K indicator bits.
[0343] In some embodiments, each first terminal group corresponds to N3 second terminal groups, where N2 satisfies:
[0344] N3=floor(M / K1), or N3=floor(M / K1)+mod(M, K1), where floor() represents a rounding-down operation and mod() represents a remainder operation.
[0345] In some embodiments, the first information is used to indicate a first terminal group to be awakened or paged;
[0346] The second information is used to indicate the identifier of the terminal to be awakened or paged.
[0347] In some embodiments, the terminal corresponding to the terminal identifier belongs to or does not belong to the first terminal group.
[0348] In some embodiments, the first information is used to indicate an identifier of a first terminal to be awakened or paged;
[0349] The second information is used to indicate a second terminal identifier to be awakened or paged, and the second terminal identifier includes the first terminal identifier, or the second terminal identifier is different from the first terminal identifier.
[0350] In some embodiments, the first terminal identifier corresponds to a terminal of a first capability or a second capability, and the second terminal identifier corresponds to a terminal of the second capability, wherein the first capability is weaker than the second capability.
[0351] In some embodiments, the method further comprises:
[0352] The terminal is a terminal with the first capability, and the terminal determines whether to be awakened or paged according to the first information; or,
[0353] The terminal is a terminal with the second capability, and the terminal determines whether to be awakened or paged according to the second information and / or the first information.
[0354] In some embodiments, the first information is used to indicate a third terminal group to be awakened or paged;
[0355] The second information is used to indicate a fourth terminal group to be awakened or paged;
[0356] The third terminal group includes terminals with a first capability, and the fourth terminal group includes terminals with a second capability, wherein the first capability is weaker than the second capability.
[0357] In some embodiments, the method further comprises:
[0358] The terminal is a terminal with the first capability, and the terminal determines whether to be awakened or paged according to the first information; or,
[0359] The terminal is a terminal with the second capability, and the terminal determines whether to be awakened or paged according to the second information.
[0360] In some embodiments, a terminal with a first capability supports processing the first information, and a terminal with a second capability supports processing the first information and the second information.
[0361] In some embodiments, the method further comprises:
[0362] The terminal sends capability information to the network device, where the capability information is used to indicate the first capability or the second capability of the terminal.
[0363] In some embodiments, the first information is used to indicate a first terminal group to be awakened;
[0364] The second information is used to indicate the behavior of the terminal to be awakened.
[0365] In some embodiments, the second information includes at least one of the following:
[0366] BWP to be switched;
[0367] MIMO layer indication;
[0368] SSSG switching indication.
[0369] In some embodiments, the terminal is in a radio resource control (RRC) connected state.
[0370] In some embodiments, the modulated signal is an OOK-based LP WUS signal.
[0371] In some embodiments, reference may be made to other optional implementations described before or after the description corresponding to FIG. 4 b .
[0372] The method of the embodiment of the present disclosure provides a method for carrying wake-up information in two dimensions: OOK symbol amplitude and OOK symbol-carrying time domain or frequency domain sequence. The LP WUS can use OOK amplitude modulation to carry information, and the time domain or frequency domain sequence carried by each OOK symbol of the LP WUS can also carry information. The information carried by the sequence can be different from the information carried by the OOK amplitude modulation. The embodiment of the present disclosure does not limit the sequence carried by the OOK symbol to be represented in the time domain or the frequency domain.
[0373] Optionally, the information carried by OOK amplitude modulation (referred to as information one) and the information carried by the time domain or frequency domain sequence on the OOK symbol (referred to as information two) may be referred to as follows:
[0374] Among them, information one corresponds to the first information of the aforementioned embodiment, and information two corresponds to the second information of the aforementioned embodiment.
[0375] Method 1:
[0376] Message 1 includes the UE group information being paged, and message 2 includes more fine-grained UE group information being paged. This method may include the following embodiments:
[0377] Example 1:
[0378] Information 1 contains K bits of paged UE group information, K bits correspond to K UE groups (group granularity 1), and when a certain bit is "1", it means that at least one UE in the UE group corresponding to the bit is paged. Information 2 contains K*N bits of paged UE group information, K*N bits correspond to K*N UE groups (group granularity 2), and when a certain bit is "1", it means that at least one UE in the UE group corresponding to the bit is paged. Among them, every N bits in information 2 corresponds to 1 bit in information 1, that is, a group under group granularity 1 is divided into N groups under group granularity 2. Compared with information 1, information 2 provides more accurate information about the paged UE and can reduce unnecessary UE wake-ups.
[0379] For example, in message 1, assuming the bit corresponding to UE group A is 1, all UEs in UE group A are awakened. UE group A corresponds to UE group A1 and UE group A2 at group granularity 2 (using N=2 as an example). In message 2, UE group A1 and UE group A2 correspond to bit "10" in message 2. Therefore, at group granularity 2, only group A1 needs to be awakened, and UE group A2 does not need to be awakened.
[0380] Example 2:
[0381] Information 1 contains K bits of paged UE group information, with each K bit corresponding to each K UE group (group granularity 1). When a bit is "1," it indicates that at least one UE in the corresponding UE group is being paged. Information 2 contains finer-grained group information (group granularity 3) for the UE groups whose bits in Information 1 are "1."
[0382] Assume that the number of bits used to carry the paged UE group in message 2 is M, and the number of "1" bits in message 1 is K1. Then, for K1-1 "1" bits in message 1, each floor(M / K1) bit in message 2 corresponds to a group with a "1" bit in message 1. For one "1" bit in message 1 (which can be the last or first of the K1 bits), floor(M / K1)+mod(M,K1) bits in message 2 correspond to that "1" bit in message 1. Each bit in message 2 corresponds to a UE group (packet granularity 3). Message 2 provides more accurate paged UE information than message 1, reducing unnecessary UE wakeups.
[0383] For example, in message 1, assuming K = 8, K1 = 3, and M = 16 in message 2, then for two 1-bits in K1, each floor(M / K1) = 5 bits in message 2 corresponds to the group corresponding to one 1-bit in message 1. For a 1-bit in K1, floor(M / K1) + mod(M, K1) = 5 + 1 = 6 bits in message 2 correspond to that 1-bit. For example, in message 1, assuming the bit corresponding to UE group A is 1, all UEs in UE group A are awakened. UE group A corresponds to UE groups A1, A2, A3, A4, and A5 at group granularity 3, and its value in message 2 is "10011." At group granularity 3, only groups A1, A4, and A5 need to be awakened; UE groups A2 and A3 do not need to be awakened.
[0384] Example 3:
[0385] The first piece of information contains paged UE grouping information of K bits. The K bits correspond to K UE groups (group granularity 1) respectively. When a certain bit is "1", it means that at least one UE in the UE group corresponding to this bit is paged. The second piece of information contains paged UE grouping information with finer granularity (group granularity 4) corresponding to the UE groups where the bits in the first piece of information are "1".
[0386] Suppose the total number of bits used to carry the paged UE groups in the second piece of information is M bits in total, and every N bits in the second piece of information correspond to a bit "1" in the first piece of information. Suppose the number of bits "1" among the K bits in the first piece of information is K1. If K1 <= M / N, then each bit "1" in the first piece of information has its corresponding N bits in the second piece of information. If K1 * N < M, the extra bits can be reserved bits. If K1 > M / N, then some M / N bits "1" (for example, the first M / N bits "1" among K1) among the K1 bits "1" in the first piece of information have their corresponding N bits in the second piece of information.
[0387] For example, in the first piece of information, suppose K = 8, K1 = 3, M = 16, and N = 4 in the second piece of information. Then for the K1 bits "1", each bit "1" corresponds to 4 bits in the second piece of information, and there are M - K1 * N = 16 - 3 * 4 = 4 bits left over, which can be reserved. Another example, in the first piece of information, suppose K = 8, K1 = 3, M = 8, and N = 4 in the second piece of information. Then for 2 bits "1" among the K1 bits, they correspond to 4 bits in the second piece of information, and 1 bit "1" among the K1 bits has no corresponding bit in the second piece of information.
[0388] Optionally, in Method 1, for a UE using OOK LR, it determines whether to wake up according to the first piece of information. For a UE using OFDM LR, it can detect the first piece of information and the second piece of information. In Embodiment 1, since the second piece of information contains the complete content of the first piece of information, it only needs to determine whether to wake up according to the second piece of information (it can also be understood as waking up according to the first piece of information and the second piece of information); in Embodiment 例2 or 3, it determines whether to wake up according to the first piece of information and the second piece of information.
[0389] Method 2:
[0390] The first piece of information contains paged (wakened) UE grouping information, and the second piece of information contains paged (wakened) UE IDs.
[0391] Optionally, in the RRC idle or inactive state, the UE is paged; in the RRC connected state, the UE is wakened.
[0392] Optionally, the UE ID has a larger number of bits, for example, 48 bits. Limited by the capacity of Message 1, Message 1 may not be able to carry such a large number of bits. However, Message 2 can carry a larger number of bits. For example, if there are L OOK high-level symbols and each high-level symbol has M optional sequences, Message 2 can carry L*floor(log2M) bits. For example, if L = 12, M = 16, and the UE ID is 48 bits, Message 2 can carry the ID of one UE being paged.
[0393] Optionally, the UE ID carried in the second information may belong to the UE group indicated to be paged in the first information, or may not belong to the UE group indicated to be paged in the first information. If the base station does not know (or does not distinguish when sending the wake-up signal) the LR type used by the paged UE, the UE ID carried in the second information needs to belong to the UE group indicated to be paged in the first information. If the base station knows (or distinguishes when sending the wake-up signal) that the LR corresponding to the paged UE ID is an OFDM LR, the UE ID carried in the second information may belong to or not belong to the UE group indicated to be paged in the first information.
[0394] Optionally, for a UE using OOK LR, it determines whether it needs to wake up based on information 1. For a UE using OFDM LR, since it can detect information 1 and information 2, it can determine whether it needs to wake up based on information 1 and information 2, or it can determine whether it needs to wake up based on information 2.
[0395] Method 3:
[0396] The first message includes the ID of the UE being paged (woke up), and the second message includes the ID of the UE being paged (woke up).
[0397] In this approach, the capacity of message 1 is also relatively large (for example, the LP WUS occupies more OOK symbols) and can carry the bits corresponding to the UE ID. For example, message 1 has a capacity of 48 bits (if used in the RRC connected state, the number of bits can be smaller, such as 16 bits), which can carry one UE ID. After Manchester coding and OOK amplitude modulation, it contains L high-level and L low-level symbols. If there are M optional sequences in each high-level symbol, message 2 can carry L*floor(log2M) bits of UE ID.
[0398] This method is suitable for the case where the base station knows the LR type used by the paged UE. The UE ID in the first message corresponds to the UE of OOK LR or OFDM LR, and the UE ID in the second message corresponds to the UE of OFDM LR.
[0399] Optionally, the UE ID paged (woken up) in the second information may include the UE ID paged (woken up) in the first information, or the UE ID paged (woken up) in the second information may not overlap with the UE ID paged (woken up) in the first information.
[0400] Optionally, for a UE using OOK LR, it determines whether it needs to wake up based on information 1. For a UE using OFDM LR, since it can detect information 1 and information 2, it can determine whether it needs to wake up based on information 1 and information 2, or it can determine whether it needs to wake up based on information 2.
[0401] Optionally, this solution can be applied to RRC idle, inactive or connected terminals.
[0402] Method 4:
[0403] The first message contains the UE group being paged (woken up), and the second message contains the UE group being paged (woken up).
[0404] In this mode, the base station needs to know the LR category used by the UE being paged (woke up). This information is notified to the base station by the core network (corresponding to paging in the RRC idle / inactive state) or reported to the base station by the terminal (corresponding to waking up in the RRC connected state). The grouping of information 1 corresponds to the grouping of OOK LR UEs, and the grouping of information 2 corresponds to OFDM LR UEs.
[0405] Optionally, the grouping corresponding to the UE may be based on a grouping method defined by a protocol, for example, calculated based on a UE ID, or may be configured by a core network or a base station.
[0406] Optionally, this solution can be applied to RRC idle, inactive or connected terminals.
[0407] Optionally, for a UE using OOK LR, it determines whether it needs to wake up according to information 1. For a UE using OFDM LR, it determines whether it needs to wake up according to information 2.
[0408] Method 5:
[0409] Message 1 carries the awakened UE packet, and message 2 carries other information, such as the BWP to be switched, the maximum MIMO layer indication, the SSSG switching indication, etc.
[0410] Optionally, an OOK LR UE can receive message 1 but not message 2. After being awakened, the base station will use other signaling instructions. An OFDM LR UE can receive both message 1 and message 2. After being awakened, the base station will directly perform corresponding operations according to the instruction of message 2, such as switching the BWP, setting the maximum MIMO layer, and monitoring the corresponding SSSG.
[0411] Optionally, the method is applicable to an RRC connected UE.
[0412] 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 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.
[0413] 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), which realizes the functions of some or all of the above units or modules 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.
[0414] 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. The logical relationship of the above-mentioned hardware circuit is fixed or reconfigurable. For example, the processor is a hardware circuit implemented by 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 and implementing 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 an ASIC, such as a neural network processing unit (NPU), a tensor processing unit (TPU), a deep learning processing unit (DPU), etc.
[0415] Figure 5a is a schematic diagram of the structure of a terminal according to an embodiment of the present disclosure. As shown in Figure 5a, terminal 5100 may include at least one of a transceiver module 5101 and a processing module 5102. In some embodiments, transceiver module 5101 is configured to receive a modulated signal transmitted by a network device. The amplitude of the modulated signal carries first information about the LP WUS, and the time domain sequence or frequency domain sequence corresponding to the modulated signal carries second information about the LP WUS.
[0416] Optionally, the transceiver module 5101 is configured to execute at least one of the communication steps of sending and / or receiving performed by the terminal 101 in any of the above methods, which are not described in detail here. Optionally, the processing module 5102 is configured to execute at least one of the other steps performed by the terminal 101 in any of the above methods, which are not described in detail here.
[0417] FIG5 b is a schematic diagram of the structure of a network device according to an embodiment of the present disclosure. As shown in FIG5 b , the network device 5200 may include at least one of a transceiver module 5201 and a processing module 5202 .
[0418] In some embodiments, when the network device 5200 is a network device, the transceiver module 5201 is used to send a modulated signal to the terminal, the signal amplitude of the modulated signal carries the first information of the LP WUS, and the time domain sequence or frequency domain sequence corresponding to the modulated signal carries the second information of the LP WUS.
[0419] Optionally, the transceiver module 5201 is configured to execute at least one of the communication steps of sending and / or receiving performed by the network device in any of the above methods, which are not described in detail here. Optionally, the processing module 5202 is configured to execute at least one of the other steps performed by the network device 102 in any of the above methods, which are not described in detail here.
[0420] 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.
[0421] In some embodiments, the processing module can be a single module or can include multiple submodules. Optionally, the multiple submodules each execute all or part of the steps required to be executed by the processing module. Optionally, the processing module can be interchangeable with the processor.
[0422] Figure 6a is a schematic diagram of the structure of a communication device 6100 proposed in an embodiment of the present disclosure. Communication device 6100 can be a network device (e.g., an access network device, a core network device, etc.), a terminal (e.g., a user equipment, etc.), a chip, a chip system, or a processor that supports a network device implementing any of the above methods, or a chip, a chip system, or a processor that supports a terminal implementing any of the above methods. Communication device 6100 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.
[0423] As shown in Figure 6a, the communication device 6100 includes one or more processors 6101. The processor 6101 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 6100 is used to perform any of the above methods. Optionally, one or more processors 6101 are used to call instructions to enable the communication device 6100 to perform any of the above methods.
[0424] In some embodiments, the communication device 6100 further includes one or more transceivers 6102. When the communication device 6100 includes one or more transceivers 6102, the transceiver 6102 performs at least one of the communication steps, such as sending and / or receiving, in the above-described method, and the processor 6101 performs at least one of the other steps. In an optional embodiment, the transceiver may include a receiver and / or a transmitter, and 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.
[0425] In some embodiments, the communication device 6100 further includes one or more memories 6103 for storing data. Alternatively, all or part of the memories 6103 may be located outside the communication device 6100. In alternative embodiments, the communication device 6100 may include one or more interface circuits 6104. Optionally, the interface circuits 6104 are connected to the memories 6103 and may be configured to receive data from the memories 6103 or other devices, or to send data to the memories 6103 or other devices. For example, the interface circuits 6104 may read data stored in the memories 6103 and send the data to the processor 6101.
[0426] The communication device 6100 described in the above embodiment may be a network device or a terminal, but the scope of the communication device 6100 described in the present disclosure is not limited thereto, and the structure of the communication device 6100 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.
[0427] FIG6b is a schematic diagram of the structure of a chip 6200 according to an embodiment of the present disclosure. If the communication device 6100 can be a chip or a chip system, reference can be made to the schematic diagram of the structure of the chip 6200 shown in FIG6b , but the present disclosure is not limited thereto.
[0428] The chip 6200 includes one or more processors 6201. The chip 6200 is configured to execute any of the above methods.
[0429] In some embodiments, chip 6200 further includes one or more interface circuits 6202. Terms such as interface circuit, interface, and transceiver pins may be used interchangeably. In some embodiments, chip 6200 further includes one or more memories 6203 for storing data. Alternatively, all or part of memory 6203 may be located external to chip 6200. Optionally, interface circuit 6202 is connected to memory 6203 and may be used to receive data from memory 6203 or other devices, or may be used to send data to memory 6203 or other devices. For example, interface circuit 6202 may read data stored in memory 6203 and send the data to processor 6201.
[0430] In some embodiments, the interface circuit 6202 performs at least one of the communication steps, such as sending and / or receiving, in the above-described method. For example, the interface circuit 6202 performing the communication steps, such as sending and / or receiving, in the above-described method means that the interface circuit 6202 performs data exchange between the processor 6201, the chip 6200, the memory 6203, or the transceiver device. In some embodiments, the processor 6201 performs at least one of the other steps.
[0431] 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.
[0432] The present disclosure also proposes a storage medium having instructions stored thereon. When the instructions are executed on the communication device 6100, the communication device 6100 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.
[0433] The present disclosure also provides a program product, which, when executed by the communication device 6100, enables the communication device 6100 to perform any of the above methods. Optionally, the program product is a computer program product.
[0434] The present disclosure also proposes a computer program, which, when executed on a computer, causes the computer to perform any one of the above methods. Industrial Applicability
[0435] The network device sends LP WUS through a modulated signal, and carries different LP WUS information through different characteristics of the modulated signal, which can not only improve the effect of using LP WUS to wake up, but also increase the amount of LP WUS information.
Claims
1. A method for carrying a wake-up signal, the method comprising: A network device sends a modulation signal to a terminal, where a signal amplitude of the modulation signal carries first information of a low-power wake-up signal LP WUS, and a time-domain sequence or a frequency-domain sequence corresponding to the modulation signal carries second information of the LP WUS.
2. The method according to claim 1, wherein The first information is used to indicate a first terminal group to be woken up or paged; The second information is used to indicate a second terminal group to be woken up or paged, and the second terminal group is a subgroup of the first terminal group.
3. The method according to claim 2, wherein The first information includes K indication bits, and each indication bit in the K indication bits corresponds to a first terminal group; wherein, when any indication bit is a first value, it indicates that the first terminal group corresponding to the any indication bit includes a terminal to be woken up or paged, and K is an integer greater than 0.
4. The method according to claim 3, wherein The second information includes M indication bits, and each indication bit in the M indication bits corresponds to a second terminal group; wherein, when any indication bit is a first value, it indicates that the second terminal group corresponding to the any indication bit includes a terminal to be woken up or paged.
5. The method according to claim 4, wherein Each first terminal group corresponds to N1 second terminal groups, wherein M = N1 * K, and N1 is an integer greater than 1.
6. The method according to claim 4, wherein Among the first terminal groups corresponding to the K indication bits, a first terminal group with an indication bit of the first value corresponds to N2 second terminal groups, and N2 is an integer greater than 1.
7. The method according to claim 6, wherein The number of indication bits of the first value among the K indication bits is K1, When K1 * N2 = M, each of the K1 first terminal groups corresponds to N2 second terminal groups; or, When K1 * N2 < M, the M indication bits include reserved indication bits; or, When K1 * N2 > M, K2 first terminal groups included in the K1 first terminal groups have corresponding second terminal groups, wherein K2 * N2 ≤ M, and (K2 + 1) * N2 > M.
8. The method according to claim 4, wherein The correspondence between the second terminal group and the first terminal group is determined according to the M indication bits and the number K1 of indication bits of the first value among the K indication bits.
9. The method according to claim 8, wherein Each first terminal group corresponds to N3 second terminal groups, where N3 satisfies: N3 = floor(M / K1), or N3 = floor(M / K1) + mod(M, K1), floor() represents the floor operation, and mod() represents the modulo operation.
10. The method according to claim 1, wherein The first information is used to indicate a first terminal group to be woken up or paged; The second information is used to indicate a terminal identifier to be woken up or paged.
11. The method according to claim 10, wherein The terminal corresponding to the terminal identifier belongs to or does not belong to the first terminal group.
12. The method according to claim 1, wherein, the first information is used to indicate a first terminal identifier to be woken up or paged; the second information is used to indicate a second terminal identifier to be woken up or paged, the second terminal identifier includes the first terminal identifier, or the second terminal identifier is different from the first terminal identifier.
13. The method according to claim 12, wherein, the first terminal identifier corresponds to a terminal with a first capability or a second capability, and the second terminal identifier corresponds to a terminal with the second capability, wherein the first capability is weaker than the second capability.
14. The method according to claim 1, wherein, the first information is used to indicate a third terminal group to be woken up or paged; the second information is used to indicate a fourth terminal group to be woken up or paged; wherein, the third terminal group includes terminals with a first capability, and the fourth terminal group includes terminals with a second capability, wherein the first capability is weaker than the second capability.
15. The method according to claim 13 or 14, wherein, terminals with the first capability support processing the first information, and terminals with the second capability support processing the first information and the second information.
16. The method according to claim 13 or 14, wherein The method further includes: the network device receives capability information sent by the terminal, the capability information is used to indicate that the terminal supports the first capability or the second capability; or, the network device obtains the capability information from a core network device.
17. The method according to claim 1, wherein, the first information is used to indicate a first terminal group to be woken up; the second information is used to indicate the behavior of the terminal to be woken up.
18. The method according to claim 17, wherein, The second information includes at least one of the following: a bandwidth part BWP to be switched; a multiple-input multiple-output MIMO layer indication; a search space set group SSSG switching indication.
19. The method according to any one of claims 1 to 18, wherein, the modulation signal is an LP WUS signal based on binary on-off keying OOK.
20. A method for carrying a wake-up signal, the method includes: a terminal receives a modulation signal sent by a network device, the signal amplitude of the modulation signal carries the first information of LP WUS, and the time-domain sequence or frequency-domain sequence corresponding to the modulation signal carries the second information of LP WUS.
21. The method according to claim 20, wherein, the first information is used to indicate a first terminal group to be woken up or paged; the second information is used to indicate a second terminal group to be woken up or paged, and the second terminal group is a subgroup of the first terminal group.
22. The method according to claim 21, wherein, the first information includes K indication bits, and each indication bit in the K indication bits corresponds to a first terminal group; wherein, when any indication bit is a first value, it indicates that the first terminal group corresponding to the any indication bit contains a terminal to be woken up or paged, and K is an integer greater than 0.
23. The method according to claim 22, wherein, The second information includes M indication bits, and each indication bit in the M indication bits corresponds to a second terminal group; wherein, when any indication bit is a first value, it indicates that the second terminal group corresponding to the any indication bit contains a terminal to be woken up or paged.
24. The method according to claim 23, wherein, Each first terminal group corresponds to N1 second terminal groups, wherein M = N1 * K, and N1 is an integer greater than 1.
25. The method according to claim 23, wherein, Among the first terminal groups corresponding to the K indication bits, a first terminal group with one indication bit being the first value corresponds to N2 second terminal groups, and N2 is an integer greater than 1.
26. The method according to claim 25, wherein, The number of indication bits with the first value among the K indication bits is K1, When K1 * N2 = M, each of the K1 first terminal groups corresponds to N2 second terminal groups; or, When K1 * N2 < M, the M indication bits include reserved indication bits; or, When K1 * N2 > M, K2 first terminal groups included in the K1 first terminal groups have corresponding second terminal groups, wherein K2 * N2 ≤ M, and (K2 + 1) * N2 > M.
27. The method according to claim 23, wherein, The corresponding relationship between the second terminal group and the first terminal group is determined according to the M indication bits and the number K1 of indication bits with the first value among the K indication bits.
28. The method according to claim 27, wherein, Each first terminal group corresponds to N3 second terminal groups, where N2 satisfies: N3 = floor(M / K1), or N3 = floor(M / K1) + mod(M, K1), floor() represents the floor operation, and mod() represents the remainder operation.
29. The method according to claim 20, wherein, The first information is used to indicate the first terminal group to be woken up or paged; The second information is used to indicate the terminal identifier to be woken up or paged.
30. The method according to claim 29, wherein, The terminal corresponding to the terminal identifier belongs to or does not belong to the first terminal group.
31. The method according to claim 20, wherein, The first information is used to indicate the first terminal identifier to be woken up or paged; The second information is used to indicate the second terminal identifier to be woken up or paged, the second terminal identifier includes the first terminal identifier, or the second terminal identifier is different from the first terminal identifier.
32. The method according to claim 31, wherein, The first terminal identifier corresponds to a terminal with a first capability or a second capability, and the second terminal identifier corresponds to a terminal with the second capability, wherein the first capability is weaker than the second capability.
33. The method according to claim 29 or 31, wherein The method further includes: The terminal is a terminal with the first capability, and the terminal determines whether to be woken up or paged according to the first information; or, The terminal is a terminal with the second capability, and the terminal determines whether to be woken up or paged according to the second information and / or the first information.
34. The method according to claim 20, wherein the first information is used to indicate a third group of terminals to be woken up or paged; the second information is used to indicate a fourth group of terminals to be woken up or paged; wherein, the third group of terminals includes terminals with a first capability, and the fourth group of terminals includes terminals with a second capability, and the first capability is weaker than the second capability.
35. The method according to claim 34, wherein, The method further includes: when the terminal is a terminal with the first capability, the terminal determines whether to be woken up or paged according to the first information; or when the terminal is a terminal with the second capability, the terminal determines whether to be woken up or paged according to the second information.
36. The method according to any one of claims 32 to 35, wherein the terminals with the first capability support processing the first information, and the terminals with the second capability support processing the first information and the second information.
37. The method according to any one of claims 32 to 35, wherein, The method further includes: the terminal sends capability information to the network device, and the capability information is used to indicate that the terminal supports the first capability or the second capability.
38. The method according to claim 20, wherein the first information is used to indicate a first group of terminals to be woken up; the second information is used to indicate the behavior of the terminals to be woken up.
39. The method according to claim 38, wherein, The second information includes at least one of the following: the BWP to be switched; the MIMO layer indication; the SSSG handover indication.
40. As shown in claim 38 or 39, wherein, The terminal is in the radio resource control (RRC) connected state.
41. The method according to any one of claims 20 to 40, wherein the modulation signal is an OOK-based LP WUS signal.
42. A network device, comprising: a transceiver module, configured to send a modulation signal to a terminal, wherein the signal amplitude of the modulation signal carries the first information of LP WUS, and the time domain sequence or frequency domain sequence corresponding to the modulation signal carries the second information of LP WUS.
43. A terminal, comprising: a transceiver module, configured to receive a modulation signal sent by a network device, wherein the signal amplitude of the modulation signal carries the first information of LP WUS, and the time domain sequence or frequency domain sequence corresponding to the modulation signal carries the second information of LP WUS.
44. A network device, comprising: one or more processors; wherein, the network device is configured to execute the method according to any one of claims 1 to 19.
45. A terminal, comprising: one or more processors; wherein, the terminal is configured to execute the method according to any one of claims 20 to 41.
46. A communication system, comprising a terminal and a network device, wherein the network device is configured to implement the method according to any one of claims 1 to 19; the terminal is configured to implement the method according to any one of claims 20 to 41.
47. A storage medium, storing instructions, wherein when the instructions run on a communication device, the communication device is caused to execute the method according to any one of claims 1 to 19 or 20 to 41.
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