Communication method, network device, terminal, communication system and storage medium

Abstract

Embodiments of the present disclosure relate to a communication method, a network device, a terminal, a communication system and a storage medium. The communication method can be applied to a network device, and the method comprises: sending first information, wherein the first information is used for indicating an area corresponding to a broadcast service. Therefore, in the embodiments of the present disclosure, the network device sends the first information used for indicating the area corresponding to the broadcast service, so that a terminal in the area corresponding to the broadcast service receives service data corresponding to the broadcast service, and other terminals can be prevented from being interfered.

Description

Communication method, network device, terminal, communication system and storage medium Technical Field

[0001] The present disclosure relates to the field of communication technology, and in particular to a communication method, network equipment, terminal, communication system and storage medium. Background Art

[0002] The evolution of telecommunications network technology has integrated non-terrestrial network (NTN) technologies and supported satellite access, enabling terminals to access the core network and conduct services via satellite access. Given the wide coverage of NTN, broadcast services require a designated effective area. Users outside this area are not required to receive broadcast data to avoid interference.

[0003] Summary of the Invention

[0004] Considering the large coverage of NTN, for NTN broadcast services, if terminals outside the service reception area receive the broadcast services related to the area, they will be interfered with. How to prevent these terminals from being interfered with is a problem that needs to be solved.

[0005] The embodiments of the present disclosure provide a communication method, network device, terminal, communication system, and storage medium, which can ensure that terminals within an area corresponding to a broadcast service receive service data corresponding to the broadcast service without interfering with other terminals.

[0006] According to a first aspect of an embodiment of the present disclosure, a communication method is proposed, which is applied to a network device. The method includes: sending first information, wherein the first information is used to indicate an area corresponding to a broadcast service.

[0007] According to a second aspect of an embodiment of the present disclosure, a communication method is proposed, which is applied to a terminal. The method includes: receiving first information, wherein the first information is used to indicate an area corresponding to a broadcast service.

[0008] According to a third aspect of an embodiment of the present disclosure, a network device is provided. The network device includes a first transceiver module configured to send first information, wherein the first information is used to indicate an area corresponding to a broadcast service.

[0009] According to a fourth aspect of an embodiment of the present disclosure, a terminal is provided, comprising: a second transceiver module configured to receive first information, wherein the first information is used to indicate an area corresponding to a broadcast service.

[0010] According to a fifth aspect of an embodiment of the present disclosure, a network device is provided. The network device includes: at least one processor and a memory storing instructions. When the instructions are executed by the network device, the network device implements the communication method described in the first aspect.

[0011] According to a sixth aspect of an embodiment of the present disclosure, a terminal is provided. The terminal includes: at least one processor and a memory storing instructions. When the instructions are executed by the terminal, the terminal implements the communication method described in the second aspect.

[0012] According to a seventh aspect of the embodiments of the present disclosure, a communication system is provided. The communication system includes a network device and a terminal. The network device is configured to execute the communication method described in the first aspect. The terminal is configured to execute the communication method described in the second aspect.

[0013] According to an eighth aspect of an embodiment of the present disclosure, a storage medium is proposed, which stores instructions. When the instructions are executed on a communication device, the communication device executes the communication method as described in the first aspect or the second aspect.

[0014] According to a ninth aspect of the embodiments of the present disclosure, a program product is provided, which, when executed by a communication device, causes the communication device to execute the communication method as described in the first or second aspect.

[0015] According to a tenth aspect of the embodiments of the present disclosure, a computer program is provided, which, when executed on a computer, causes the computer to execute the communication method according to the first aspect or the second aspect.

[0016] According to an eleventh aspect of the embodiments of the present disclosure, a chip or chip system is provided. The chip or chip system includes a processing circuit. The processing circuit is configured to execute the communication method described in the first aspect or the second aspect.

[0017] Through the embodiments of the present disclosure, the network device sends first information for indicating the area corresponding to the broadcast service, so that terminals in the area corresponding to the broadcast service receive service data corresponding to the broadcast service without interfering with other terminals.

[0018] It should be understood that the above general description and the following detailed description are merely exemplary and explanatory and do not constitute limitations on the embodiments of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] 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.

[0020] FIG1 is a schematic diagram of an architecture of a communication system according to an embodiment of the present disclosure.

[0021] FIG2 is an exemplary interaction diagram of the communication method provided by an embodiment of the present disclosure.

[0022] FIG3A is a flow chart of a communication method performed on a network device side according to an embodiment of the present disclosure.

[0023] FIG3B is a flow chart of a method for executing communication on a terminal side according to an embodiment of the present disclosure.

[0024] FIG4A is another flowchart illustrating a communication method executed on a network device side according to an embodiment of the present disclosure.

[0025] FIG4B is another schematic flow chart of a communication method executed on a terminal side according to an embodiment of the present disclosure.

[0026] FIG5A is a schematic structural diagram of a communication device according to an embodiment of the present disclosure.

[0027] FIG5B is a schematic structural diagram of a communication device according to an embodiment of the present disclosure.

[0028] FIG6A is a schematic structural diagram of a communication device proposed in an embodiment of the present disclosure.

[0029] FIG6B is a schematic structural diagram of a chip proposed in an embodiment of the present disclosure. DETAILED DESCRIPTION

[0030] The embodiments of the present disclosure provide a communication method, a network device, a terminal, a communication system, and a storage medium.

[0031] In a first aspect, an embodiment of the present disclosure proposes a communication method, which is applied to a network device. The method includes: sending first information, wherein the first information is used to indicate an area corresponding to a broadcast service.

[0032] In an embodiment of the present disclosure, a network device sends first information indicating an area corresponding to a broadcast service, so that terminals in the area corresponding to the broadcast service receive service data corresponding to the broadcast service without interfering with other terminals.

[0033] In combination with some embodiments of the first aspect, in some embodiments, the area corresponding to the broadcast service is the valid area of ​​the broadcast service.

[0034] In combination with some embodiments of the first aspect, in some embodiments, the first information includes at least one of the following: identification information of the area, the identification information of the area is used to indicate configuration information of the area; configuration information of the area, the configuration information of the area is used to indicate the area.

[0035] In combination with some embodiments of the first aspect, in some embodiments, the broadcast service is at least one of the following: a multicast broadcast service, an earthquake and tsunami warning service, and a commercial mobile early warning service.

[0036] In combination with some embodiments of the first aspect, in some embodiments, the method further includes: configuring an area for a broadcast service.

[0037] In combination with some embodiments of the first aspect, in some embodiments, the broadcast service is a multicast broadcast service, and the method further includes: configuring an area for a multicast broadcast service of a service type.

[0038] In combination with some embodiments of the first aspect, in some embodiments, there are multiple service types of the multicast broadcast service, and the areas configured for the multicast broadcast services of the multiple service types are the same, or the areas configured for the multicast broadcast services of the multiple service types are different.

[0039] In combination with some embodiments of the first aspect, in some embodiments, a multicast broadcast service of one service type is associated with one multicast broadcast service session.

[0040] In combination with some embodiments of the first aspect, in some embodiments, for a multicast broadcast service, the first information is associated with at least one of the following: a multicast broadcast service, a service type of the multicast broadcast service, and a session of the multicast broadcast service.

[0041] In combination with some embodiments of the first aspect, in some embodiments, the first information is associated with the service type of the multicast broadcast service or the first information is associated with the session of the multicast broadcast service, and the first information is also associated with identification information of the session of the multicast broadcast service.

[0042] In combination with some embodiments of the first aspect, in some embodiments, the first information is associated with a multicast broadcast service, and the first information is carried in configuration information of the multicast broadcast service and sent.

[0043] In combination with some embodiments of the first aspect, in some embodiments, the first information is the configuration information of the area, and the configuration information of the area is associated with the service type of the multicast broadcast service or the session of the multicast broadcast service, and the configuration information of the area is carried in the configuration information of the multicast broadcast service and sent.

[0044] In combination with some embodiments of the first aspect, in some embodiments, the first information is the identification information of the area and the configuration information of the area, and the identification information of the area is associated with the service type of the multicast broadcast service or the session of the multicast broadcast service, the configuration information of the area is carried in the configuration information of the multicast broadcast service and sent, and the identification information of the area is carried in the configuration information of the session and sent.

[0045] In combination with some embodiments of the first aspect, in some embodiments, the first information is carried in system information and sent.

[0046] In combination with some embodiments of the first aspect, in some embodiments, the configuration information of the area includes at least one of the following: second information, the second information is used to indicate the coordinates of the area in the reference coordinate system; third information, the third information is used to indicate the city; fourth information, the fourth information is used to indicate the country.

[0047] In combination with some embodiments of the first aspect, in some embodiments, the shape of the area represented by the coordinates indicated by the second information includes at least one of the following: a rectangle, a polygon, a circle, and a line.

[0048] In combination with some embodiments of the first aspect, in some embodiments, the third information includes a city code.

[0049] In combination with some embodiments of the first aspect, in some embodiments, the fourth information includes a country code.

[0050] In a second aspect, an embodiment of the present disclosure proposes a communication method, which is applied to a terminal. The method includes: receiving first information, wherein the first information is used to indicate an area corresponding to a broadcast service.

[0051] In an embodiment of the present disclosure, a terminal receives first information for indicating an area corresponding to a broadcast service, so that terminals within the area corresponding to the broadcast service receive service data corresponding to the broadcast service, and terminals not within the area corresponding to the broadcast service do not need to receive service data corresponding to the broadcast service, thereby avoiding interference with other terminals and reducing energy consumption.

[0052] In combination with some embodiments of the second aspect, in some embodiments, the area corresponding to the broadcast service is the valid area of ​​the broadcast service.

[0053] In combination with some embodiments of the second aspect, in some embodiments, the method further includes: determining whether the terminal is located within the area based on the first information.

[0054] In combination with some embodiments of the second aspect, in some embodiments, the terminal is located within the area, and the method further includes: receiving service data of a broadcast service.

[0055] In combination with some embodiments of the second aspect, in some embodiments, the first information includes at least one of the following: identification information of the area, the identification information of the area is used to indicate configuration information of the area; configuration information of the area, the configuration information of the area is used to indicate the area.

[0056] In combination with some embodiments of the second aspect, in some embodiments, the broadcast service is at least one of the following: a multicast broadcast service, an earthquake and tsunami warning service, and a commercial mobile early warning service.

[0057] In combination with some embodiments of the second aspect, in some embodiments, one broadcast service corresponds to one area.

[0058] In combination with some embodiments of the second aspect, in some embodiments, the broadcast service is a multicast broadcast service, and a multicast broadcast service of one service type corresponds to one area.

[0059] In combination with some embodiments of the second aspect, in some embodiments, there are multiple service types of the multicast broadcast service, and the areas corresponding to the multicast broadcast services of the multiple service types are the same, or the areas corresponding to the multicast broadcast services of the multiple service types are different.

[0060] In combination with some embodiments of the second aspect, in some embodiments, a multicast broadcast service of one service type is associated with a multicast broadcast service session.

[0061] In combination with some embodiments of the second aspect, in some embodiments, for the multicast broadcast service, the first information is associated with at least one of the following: the multicast broadcast service, the service type of the multicast broadcast service, and the session of the multicast broadcast service.

[0062] In combination with some embodiments of the second aspect, in some embodiments, the first information is associated with the service type of the multicast broadcast service or the first information is associated with the session of the multicast broadcast service, and the first information is also associated with the identification information of the session of the multicast broadcast service.

[0063] In combination with some embodiments of the second aspect, in some embodiments, the first information is associated with a multicast broadcast service, and the first information is received in configuration information of the multicast broadcast service.

[0064] In combination with some embodiments of the second aspect, in some embodiments, the first information is the configuration information of the area, and the configuration information of the area is associated with the service type of the multicast broadcast service or the session of the multicast broadcast service, and the configuration information of the area carried in the configuration information of the multicast broadcast service is received.

[0065] In combination with some embodiments of the second aspect, in some embodiments, the first information is the identification information of the area and the configuration information of the area, and the identification information of the area is associated with the service type of the multicast broadcast service or the session of the multicast broadcast service, and the configuration information of the area carried in the configuration information of the multicast broadcast service and the identification information of the area carried in the configuration information of the session are received.

[0066] In combination with some embodiments of the second aspect, in some embodiments, the first information is not associated with a session of a multicast broadcast service, and the first information applies to all service types of the multicast broadcast service or all sessions of the multicast broadcast service.

[0067] In combination with some embodiments of the second aspect, in some embodiments, first information carried in system information is received.

[0068] In combination with some embodiments of the second aspect, in some embodiments, the configuration information of the area includes at least one of the following: second information, the second information is used to indicate the coordinates of the area in the reference coordinate system; third information, the third information is used to indicate the city; fourth information, the fourth information is used to indicate the country.

[0069] In combination with some embodiments of the second aspect, in some embodiments, the shape of the area represented by the coordinates indicated by the second information includes at least one of the following: a rectangle, a polygon, a circle, and a line.

[0070] In combination with some embodiments of the second aspect, in some embodiments, the third information includes a city code.

[0071] In combination with some embodiments of the second aspect, in some embodiments, the fourth information includes a country code.

[0072] In combination with some embodiments of the second aspect, in some embodiments, the configuration information of the region includes a city and / or a country, and the method further includes: determining actual geographical area information corresponding to the city and / or country based on a local map.

[0073] In a third aspect, embodiments of the present disclosure provide a network device comprising a first transceiver module configured to transmit first information, wherein the first information is used to indicate an area corresponding to a broadcast service.

[0074] In combination with some embodiments of the third aspect, in some embodiments, the area corresponding to the broadcast service is the valid area of ​​the broadcast service.

[0075] In combination with some embodiments of the third aspect, in some embodiments, the first information includes at least one of the following: identification information of the area, the identification information of the area is used to indicate configuration information of the area; configuration information of the area, the configuration information of the area is used to indicate the area.

[0076] In combination with some embodiments of the third aspect, in some embodiments, the broadcast service is at least one of the following: a multicast broadcast service, an earthquake and tsunami warning service, and a commercial mobile early warning service.

[0077] In combination with some embodiments of the third aspect, in some embodiments, the first transceiver module is further configured to: configure an area for a broadcast service.

[0078] In combination with some embodiments of the third aspect, in some embodiments, the broadcast service is a multicast broadcast service, and the first transceiver module is further configured to: configure an area for a multicast broadcast service of a service type.

[0079] In combination with some embodiments of the third aspect, in some embodiments, there are multiple service types of the multicast broadcast service, and the areas configured for the multicast broadcast services of the multiple service types are the same, or the areas configured for the multicast broadcast services of the multiple service types are different.

[0080] In combination with some embodiments of the third aspect, in some embodiments, a multicast broadcast service of one service type is associated with a multicast broadcast service session.

[0081] In combination with some embodiments of the third aspect, in some embodiments, for the multicast broadcast service, the first information is associated with at least one of the following: the multicast broadcast service, the service type of the multicast broadcast service, and the session of the multicast broadcast service.

[0082] In combination with some embodiments of the third aspect, in some embodiments, the first information is associated with the service type of the multicast broadcast service or the first information is associated with the session of the multicast broadcast service, and the first information is also associated with the identification information of the session of the multicast broadcast service.

[0083] In combination with some embodiments of the third aspect, in some embodiments, the first information is associated with a multicast broadcast service, and the first information is carried in configuration information of the multicast broadcast service and sent.

[0084] In combination with some embodiments of the third aspect, in some embodiments, the first information is the configuration information of the area, and the configuration information of the area is associated with the service type of the multicast broadcast service or the session of the multicast broadcast service, and the configuration information of the area is carried in the configuration information of the multicast broadcast service and sent.

[0085] In combination with some embodiments of the third aspect, in some embodiments, the first information is the identification information of the area and the configuration information of the area, and the identification information of the area is associated with the service type of the multicast broadcast service or the session of the multicast broadcast service, the configuration information of the area is carried in the configuration information of the multicast broadcast service and sent, and the identification information of the area is carried in the configuration information of the session and sent.

[0086] In combination with some embodiments of the third aspect, in some embodiments, the first information is carried in system information and sent.

[0087] In combination with some embodiments of the third aspect, in some embodiments, the configuration information of the area includes at least one of the following: second information, the second information is used to indicate the coordinates of the area in the reference coordinate system; third information, the third information is used to indicate the city; fourth information, the fourth information is used to indicate the country.

[0088] In combination with some embodiments of the third aspect, in some embodiments, the shape of the area represented by the coordinates indicated by the second information includes at least one of the following: a rectangle, a polygon, a circle, and a line.

[0089] In combination with some embodiments of the third aspect, in some embodiments, the third information includes a city code.

[0090] In combination with some embodiments of the third aspect, in some embodiments, the fourth information includes a country code.

[0091] In a fourth aspect, an embodiment of the present disclosure provides a terminal, including a second transceiver module configured to receive first information indicating an area corresponding to a broadcast service.

[0092] In combination with some embodiments of the fourth aspect, in some embodiments, the area corresponding to the broadcast service is the valid area of ​​the broadcast service.

[0093] In combination with some embodiments of the fourth aspect, in some embodiments, the second transceiver module is further configured to: determine whether the terminal is located within the area based on the first information.

[0094] In combination with some embodiments of the fourth aspect, in some embodiments, the terminal is located within the area, and the second transceiver module is further configured to: receive service data of a broadcast service.

[0095] In combination with some embodiments of the fourth aspect, in some embodiments, the first information includes at least one of the following: identification information of the area, the identification information of the area is used to indicate configuration information of the area; configuration information of the area, the configuration information of the area is used to indicate the area.

[0096] In combination with some embodiments of the fourth aspect, in some embodiments, the broadcast service is at least one of the following: a multicast broadcast service, an earthquake and tsunami warning service, and a commercial mobile early warning service.

[0097] In combination with some embodiments of the fourth aspect, in some embodiments, one broadcast service corresponds to one area.

[0098] In combination with some embodiments of the fourth aspect, in some embodiments, the broadcast service is a multicast broadcast service, and a multicast broadcast service of one service type corresponds to one area.

[0099] In combination with some embodiments of the fourth aspect, in some embodiments, there are multiple service types of the multicast broadcast service, and the areas corresponding to the multicast broadcast services of the multiple service types are the same, or the areas corresponding to the multicast broadcast services of the multiple service types are different.

[0100] In combination with some embodiments of the fourth aspect, in some embodiments, a multicast broadcast service of one service type is associated with a multicast broadcast service session.

[0101] In combination with some embodiments of the fourth aspect, in some embodiments, for the multicast broadcast service, the first information is associated with at least one of the following: the multicast broadcast service, the service type of the multicast broadcast service, and the session of the multicast broadcast service.

[0102] In combination with some embodiments of the fourth aspect, in some embodiments, the first information is associated with the service type of the multicast broadcast service or the first information is associated with the session of the multicast broadcast service, and the first information is also associated with the identification information of the session of the multicast broadcast service.

[0103] In combination with some embodiments of the fourth aspect, in some embodiments, the first information is associated with a multicast broadcast service, and the first information is received in configuration information carried by the multicast broadcast service.

[0104] In combination with some embodiments of the fourth aspect, in some embodiments, the first information is the configuration information of the area, and the configuration information of the area is associated with the service type of the multicast broadcast service or the session of the multicast broadcast service, and the configuration information of the area carried in the configuration information of the multicast broadcast service is received.

[0105] In combination with some embodiments of the fourth aspect, in some embodiments, the first information is the identification information of the area and the configuration information of the area, and the identification information of the area is associated with the service type of the multicast broadcast service or the session of the multicast broadcast service, and the configuration information of the area carried in the configuration information of the multicast broadcast service and the identification information of the area carried in the configuration information of the session are received.

[0106] In combination with some embodiments of the fourth aspect, in some embodiments, the first information is not associated with a session of a multicast broadcast service, and the first information applies to all service types of the multicast broadcast service or all sessions of the multicast broadcast service.

[0107] In combination with some embodiments of the fourth aspect, in some embodiments, first information carried in system information is received.

[0108] In combination with some embodiments of the fourth aspect, in some embodiments, the configuration information of the area includes at least one of the following: second information, the second information is used to indicate the coordinates of the area in the reference coordinate system; third information, the third information is used to indicate the city; fourth information, the fourth information is used to indicate the country.

[0109] In combination with some embodiments of the fourth aspect, in some embodiments, the shape of the area represented by the coordinates indicated by the second information includes at least one of the following: a rectangle, a polygon, a circle, and a line.

[0110] In combination with some embodiments of the fourth aspect, in some embodiments, the third information includes a city code.

[0111] In combination with some embodiments of the fourth aspect, in some embodiments, the fourth information includes a country code.

[0112] In combination with some embodiments of the fourth aspect, in some embodiments, the second transceiver module is further configured to: the configuration information of the area includes a city and / or country, and the actual geographical area information corresponding to the city and / or country is determined based on a local map.

[0113] In a fifth aspect, embodiments of the present disclosure provide a network device. The network device includes at least one processor and a memory storing instructions. When the instructions are executed by the network device, the network device implements the communication method described in the first aspect and possible implementations thereof.

[0114] In a sixth aspect, embodiments of the present disclosure provide a terminal. The terminal includes: at least one processor and a memory storing instructions. When the instructions are executed by the terminal, the terminal implements the communication method described in the second aspect and possible implementations thereof.

[0115] In a seventh aspect, embodiments of the present disclosure provide a communication system. The communication system includes a network device and a terminal. The network device is configured to execute the communication method described in the first aspect and possible implementations thereof. The terminal is configured to execute the communication method described in the second aspect and possible implementations thereof.

[0116] In an eighth aspect, an embodiment of the present disclosure proposes a storage medium storing instructions. When the instructions are executed on a communication device, the communication device executes the communication method as described in the first aspect, the second aspect and possible implementations thereof.

[0117] In a ninth aspect, an embodiment of the present disclosure provides a program product. When the program product is executed by a communication device, the communication device executes the communication method as described in the first aspect, the second aspect, and possible implementations thereof.

[0118] In a tenth aspect, an embodiment of the present disclosure provides a computer program. When the computer program is executed on a computer, the computer executes the communication method as described in the first aspect, the second aspect, and possible implementations thereof.

[0119] In an eleventh aspect, embodiments of the present disclosure provide a chip or a chip system. The chip or chip system includes a processing circuit. The processing circuit is configured to execute the communication method as described in the first aspect, the second aspect, and possible implementations thereof.

[0120] It is understandable that the above-mentioned network devices, terminals, 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.

[0121] The present disclosure provides a communication method, network device, terminal, communication system, and storage medium. In some embodiments, the terms communication method, information processing method, information transmission method, and method for indicating a broadcast service valid area are interchangeable. The terms terminal, network device, communication device, and information processing device are interchangeable. The terms information processing system and communication system are interchangeable.

[0122] 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.

[0123] 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.

[0124] 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.

[0125] 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.

[0126] In the embodiments of the present disclosure, “plurality” refers to two or more.

[0127] In some embodiments, the terms "at least one," "one or more," "a plurality of," "multiple," and the like can be used interchangeably.

[0128] 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, A and B are selected for execution (A and B are selectively executed); and in some embodiments, A and B (both A and B are executed). The same applies when there are more branches, such as A, B, and C.

[0129] 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.

[0130] 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.

[0131] 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.

[0132] 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.

[0133] 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.

[0134] In some embodiments, devices, etc. can be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments. Terms such as "device", "equipment", "device", "circuit", "network element", "node", "function", "unit", "section", "system", "network", "chip", "chip system", "entity", and "subject" can be used interchangeably.

[0135] In some embodiments, "network" can be interpreted as devices included in the network (eg, access network equipment, core network equipment, etc.).

[0136] In some embodiments, the terms "network devices", "access network device (AN device)", "radio access network device (RAN device)", "base station (BS)", "radio base station" "fixed station", "node", "access network 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", "femtocell", "picocell", "sector", "cell group", "serving cell", "carrier", "component carrier", "bandwidth part (BWP)" and the like may be used interchangeably.

[0137] In some embodiments, the terms "terminal", "terminal device", "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. can be used interchangeably.

[0138] In some embodiments, the access network device, the core network device, or the network device can be replaced by a terminal. For example, the various embodiments of the present disclosure can also be applied to a structure in which the communication between the access network device, the core network device, or the network device and the terminal is replaced by communication between multiple terminals (for example, device-to-device (D2D), vehicle-to-everything (V2X), etc.). In this case, it is also possible to set the structure in which the terminal has all or part of the functions of the access network device. In addition, terms such as "uplink" and "downlink" can also be replaced by terms corresponding to communication between terminals (for example, "side"). For example, uplink channels, downlink channels, etc. can be replaced by side channels, and uplinks, downlinks, etc. can be replaced by side links.

[0139] In some embodiments, the terminal may be replaced by an access network device, a core network device, or a network device. In this case, the access network device, the core network device, or the network device may have a structure that has all or part of the functions of the terminal.

[0140] In some embodiments, obtaining data, information, etc. may comply with the laws and regulations of the country where the data is obtained.

[0141] In some embodiments, data, information, etc. may be obtained with the user's consent.

[0142] 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.

[0143] Figure 1 is a schematic diagram of an architecture of a communication system according to an embodiment of the present disclosure. As shown in Figure 1 , the communication system 100 includes a terminal 101 and a network device 102. The network device 102 may also be referred to as an access network device.

[0144] 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.

[0145] In some embodiments, the network device 102 is, for example, a node or device that accesses a terminal to a wireless network. The network device 102 may include an evolved NodeB (eNB), a next generation evolved NodeB (ng-eNB), a next generation NodeB (gNB), a node B (NB), a home node B (HNB), a home evolved nodeB (HeNB), a wireless backhaul device, a radio network controller (RNC), a base station controller (BSC), a base transceiver station (BTS), a base band unit (BBU), a mobile switching center, a base station in a 6G communication system, an open base station (Open RAN), a cloud base station (Cloud RAN), a base station in other communication systems, and at least one of an access node in a Wi-Fi system, but is not limited thereto.

[0146] In some embodiments, the network device 102 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 network device 102, 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.

[0147] In some embodiments, the CU and DU may be centrally deployed on one network device or distributed across multiple network devices.

[0148] In some embodiments, a network device 102 may include a CU and at least one DU. A CU may be connected to multiple DUs, and a DU can only be connected to one CU.

[0149] In some embodiments, the communication system 100 may be a 5G communication system. It should be noted that the communication system 100 may also be other communication systems, such as a 4G communication system or a 6G communication system, which is not specifically limited in the present disclosure.

[0150] 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.

[0151] The following embodiments of the present disclosure may be applied to the communication system 100 shown in Figure 1, or a portion thereof, but are not limited thereto. The entities shown in Figure 1 are illustrative only. The communication system may include all or part of the entities shown in Figure 1, or may include other entities outside of Figure 1. The number and form of the entities may be arbitrary. The connection relationship between the entities is illustrative only. The entities may be connected or disconnected, and the connection may be in any manner, including direct or indirect, wired or wireless.

[0152] 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 methods, and next-generation systems based on and extending these methods. Furthermore, multiple systems may be combined (for example, a combination of LTE or LTE-A with 5G).

[0153] The various embodiments of the present disclosure may be applicable to non-terrestrial networks (NTNs), including networks or network segments that utilize transmission equipment, relay nodes, or base stations carried on airborne or space vehicles, and any network involving non-terrestrial flying objects. For example, NTNs may include satellite communication networks and high altitude platform systems (HAPs).

[0154] With the development of communication technology, satellite communication technology is considered an important aspect of future wireless communication technology. Communication systems that support satellite access technology (such as 4G and 5G networks) can also be called satellite communication networks. In this communication network, terminals can access the core network (such as EPC and 5GC) through the satellite access network and conduct business.

[0155] The 3rd Generation Partnership Project (3GPP) has standardized technologies for Internet of Things non-terrestrial networks (IoT NTN) and new radio non-terrestrial networks (NR NTN). Considering that the network coverage of NR NTN and IoT NTN is relatively large, for example, one cell may cover multiple countries.

[0156] Broadcast services may be targeted at users in a specific region, such as a country or a city. Therefore, when NTN sends broadcast services, the effective area of ​​the broadcast service needs to be limited. Therefore, the following standardization work is required.

[0157] In some embodiments, a system information block (SIB) signal is specified to indicate the expected service area in the case of larger satellite coverage.

[0158] In some embodiments, necessary signaling between a core network (CN) and a next generation radio access network (NG-RAN) is specified.

[0159] FIG2 is an exemplary interaction diagram of a communication method provided by an embodiment of the present disclosure. As shown in FIG2 , an embodiment of the present disclosure relates to a communication method, which is executed by the above-mentioned communication system 100. The communication method includes steps S201 to S203.

[0160] Step S201: The network device sends first information.

[0161] In some embodiments, the terminal may receive the first information.

[0162] In some embodiments, the first information may be used to indicate an area to which the broadcast service corresponds.

[0163] In some embodiments, the area corresponding to the broadcast service may be a valid area of ​​the broadcast service. In this case, the first information may be used to indicate the valid area of ​​the broadcast service.

[0164] In some embodiments, the valid area of ​​the broadcast service may be an area where the terminal can receive service data of the broadcast service.

[0165] In some embodiments, the area corresponding to the broadcast service or the effective area of ​​the broadcast service may be a geographical area. In some embodiments, the area corresponding to the broadcast service or the effective area of ​​the broadcast service may be an area mapped on a map.

[0166] In some embodiments, the broadcast service may be at least one of the following: a multicast broadcast service, an emergency service.

[0167] In some embodiments, a Multimedia Broadcast Service (MBS) may be used to support multimedia broadcast / multicast functionality, which may broadcast or multicast multimedia data to terminals via a transmission link.

[0168] In some embodiments, the multicast broadcast service may be used to support data broadcast or data multicast for services such as public safety, IoT applications, and software delivery.

[0169] In some embodiments, the emergency service may be at least one of the following: an earthquake and tsunami warning service, and a commercial mobile early warning service.

[0170] In some embodiments, the earthquake and tsunami warning system (ETWS) may be used to support services such as fire alarm, flood alarm, earthquake warning, and tsunami warning.

[0171] In some embodiments, a commercial mobile alert system (CMAS) may be used to support early warning of natural disasters, terrorist incidents, power system / broadcast and television signal outages, and the like.

[0172] In some embodiments, when the broadcast service is a multicast broadcast service, the first information may include at least one of the following: identification information of the area corresponding to the multicast broadcast service, and configuration information of the area corresponding to the multicast broadcast service.

[0173] In some embodiments, the identification information of the area to which the multicast broadcast service corresponds may be an identifier of the area to which the multicast broadcast service corresponds.

[0174] In some embodiments, identification information of the area corresponding to the multicast broadcast service may be used to identify the area corresponding to the multicast broadcast service. In this case, the first information may be used to indicate the area corresponding to the multicast broadcast service identified by the identification information.

[0175] In some embodiments, the area corresponding to the multicast broadcast service may be a valid area of ​​the multicast broadcast service. In this case, the identification information of the area corresponding to the multicast broadcast service may be an identifier of the valid area of ​​the multicast broadcast service.

[0176] In some embodiments, identification information of the area corresponding to the multicast broadcast service may be used to identify the valid area of ​​the multicast broadcast service. In this case, the first information may be used to indicate the valid area of ​​the multicast broadcast service identified by the identification information.

[0177] In some embodiments, the identification information of the area corresponding to the multicast broadcast service may be associated with the configuration information of the area corresponding to the multicast broadcast service. In this case, a corresponding relationship may exist between the identification information of the area corresponding to the multicast broadcast service and the configuration information of the area corresponding to the multicast broadcast service. This corresponding relationship may be stored in a network device, a terminal, or other location, and this embodiment does not specifically limit this.

[0178] In some embodiments, the configuration information of the area corresponding to the multicast broadcast service may be: a geographical area configured for the multicast broadcast service. In this case, the geographical area may be represented by coordinates.

[0179] In some embodiments, the configuration information of the area corresponding to the multicast broadcast service may be: an area mapped on a map configured for the multicast broadcast service. In this case, the geographical area may be represented by the coordinates of the area mapped on the map.

[0180] In some embodiments, the configuration information of the area corresponding to the multicast broadcast service may include at least one of the following: second information, third information, and fourth information.

[0181] In some embodiments, the second information may be used to indicate: coordinates of a geographical area configured for the multicast broadcast service in a reference coordinate system.

[0182] In some embodiments, the second information may be used to indicate: coordinates of an area mapped onto a map configured for the multicast broadcast service in a reference coordinate system.

[0183] In some embodiments, the shape of the area represented by the coordinates indicated by the second information may include at least one of the following: a rectangle, a polygon, a circle, and a line.

[0184] In some embodiments, the third information may be used to indicate that the geographical area configured for the multicast broadcast service is a city.

[0185] In some embodiments, the third information may be used to indicate that the area mapped onto the map configured for the multicast broadcast service is a city.

[0186] In some embodiments, the third information may be a code for identifying different cities.

[0187] In some embodiments, the third information may include, for example, a city code, a postal code, a telephone area code, etc.

[0188] In some embodiments, the fourth information may be used to indicate that the geographical area configured for the multicast broadcast service is a country.

[0189] In some embodiments, the fourth information may be used to indicate that the area mapped onto the map configured for the multicast broadcast service is a country.

[0190] In some embodiments, the fourth information may be a code for identifying different countries.

[0191] In some embodiments, the fourth information may include a country code.

[0192] In some embodiments, the fourth information may be, for example, a mobile country code (MCC).

[0193] In some embodiments, one zone may be configured for one multicast broadcast service.

[0194] In some embodiments, for example, a geographical area may be configured for a multicast broadcast service.

[0195] In some embodiments, for example, an area mapped onto a map may be configured for a multicast broadcast service.

[0196] In some embodiments, when the broadcast service is a multicast broadcast service, the first information may be carried in system information and sent.

[0197] In some embodiments, when the broadcast service is a multicast broadcast service, the terminal may receive the first information carried in the system information.

[0198] In some embodiments, when the broadcast service is a multicast broadcast service and the first information is configuration information of an area corresponding to the multicast broadcast service, the configuration information of the area corresponding to the multicast broadcast service may be sent through SIB20.

[0199] In some embodiments, when the broadcast service is a multicast broadcast service, and the first information is the identification information of the area corresponding to the multicast broadcast service and the configuration information of the area corresponding to the multicast broadcast service, the identification information of the area corresponding to the multicast broadcast service and the configuration information of the area corresponding to the multicast broadcast service can be sent through SIB20.

[0200] In some embodiments, when the broadcast service is a multicast broadcast service, one area may be configured for the multicast broadcast service of one service type.

[0201] In some embodiments, when the broadcast service is a multicast broadcast service, for example, a geographical area may be configured for a multicast broadcast service of a service type.

[0202] In some embodiments, when the broadcast service is a multicast broadcast service, for example, an area mapped to a map may be configured for a multicast broadcast service of a service type.

[0203] In some embodiments, for a multicast broadcast service, each service type may be associated with a zone.

[0204] In some embodiments, a multicast broadcast service may include multiple service types, and the areas associated with the multiple service types may be the same, or the areas associated with the multiple service types may be different.

[0205] In some embodiments, when the broadcast service is a multicast broadcast service and the multicast broadcast service has multiple service types, the same area can be configured for each of the multiple service types. For example, the same geographical area can be configured for each service type of multicast broadcast service, or the same area mapped on a map can be configured for each service type of multicast broadcast service.

[0206] In some embodiments, when the broadcast service is a multicast broadcast service and the multicast broadcast service has multiple service types, different areas can be configured for each of the multiple service types. For example, a different geographical area can be configured for each service type of the multicast broadcast service, or a different area mapped on a map can be configured for each service type of the multicast broadcast service.

[0207] In some embodiments, when the broadcast service is a multicast broadcast service and the multicast broadcast service has multiple service types, different areas can be configured for at least two service types of multicast broadcast services, and the same area can be configured for the multicast broadcast services of the remaining service types.

[0208] In some embodiments, when the broadcast service is a multicast broadcast service and the multicast broadcast service has multiple service types, there may be other ways to configure an area for each service type of the multicast broadcast service, which is not limited in this embodiment.

[0209] In some embodiments, when the broadcast service is a multicast broadcast service (MBS) and the MBS has multiple service types, a MBS of one service type may be associated with one MBS session. In this case, MBSs of different service types may be distinguished using different MBS sessions.

[0210] In some embodiments, when the broadcast service is a multicast broadcast service, for the multicast broadcast service, the first information may be associated with at least one of the following: the multicast broadcast service, the service type of the multicast broadcast service, and the session of the multicast broadcast service.

[0211] In some embodiments, for a multicast broadcast service, when the first information is associated with a service type of the multicast broadcast service, the first information may be associated with identification information of a session under the service type of the multicast broadcast service.

[0212] In some embodiments, the identification information of the session under the service type of the multicast broadcast service may be at least one of the following: a session identifier (identity document, ID) under the service type of the multicast broadcast service and a temporary mobile group identity (TMGI).

[0213] In some embodiments, for a multicast broadcast service, if the first information is associated with a session of the multicast broadcast service, the first information may be associated with identification information of the session of the multicast broadcast service.

[0214] In some embodiments, the identification information of the multicast broadcast service session may be at least one of the following: mbs-session ID, TMGI.

[0215] In some embodiments, for a multicast broadcast service, if the first information is associated with the multicast broadcast service, the first information may be carried in the configuration information of the multicast broadcast service. In this case, the configuration information of the multicast broadcast service may be sent in SIB20, or the identification information of the area corresponding to the multicast broadcast service and the configuration information of the area corresponding to the multicast broadcast service may also be sent in SIB20. In this case, SIB20 may carry the configuration information of the area corresponding to the multicast broadcast service, or SIB20 may carry the identification information of the area corresponding to the multicast broadcast service and the configuration information of the area corresponding to the multicast broadcast service.

[0216] In some embodiments, SIB20 provides MBS configuration information to the UE to obtain multicast control channel (MCCH) configuration / multicast traffic channel (MTCH) configuration.

[0217] In some embodiments, configuration information of the multicast broadcast service may be provided by an mcch-Config-r17 information element (IE).

[0218] In some embodiments, for a multicast broadcast service, when the first information is configuration information for a region corresponding to the multicast broadcast service, and the configuration information for the region corresponding to the multicast broadcast service is associated with a service type of the multicast broadcast service, the configuration information for the region corresponding to the multicast broadcast service is associated with identification information of a session under the service type of the multicast broadcast service. In this case, the configuration information for the region corresponding to the multicast broadcast service may be carried in the configuration information for the multicast broadcast service, and the configuration information for the multicast broadcast service may be sent in a SIB. In this case, the SIB may carry the configuration information for the region corresponding to the multicast broadcast service and identification information of a session under the service type of the multicast broadcast service.

[0219] In some embodiments, for a multicast broadcast service, if the first information is configuration information for a region corresponding to the multicast broadcast service, and the configuration information for the region corresponding to the multicast broadcast service is associated with a session for the multicast broadcast service, the configuration information for the region corresponding to the multicast broadcast service is associated with identification information for the session for the multicast broadcast service. In this case, the configuration information for the region corresponding to the multicast broadcast service may be carried in the configuration information for the multicast broadcast service, and the configuration information for the multicast broadcast service may be sent in a SIB. In this case, the SIB may carry the configuration information for the region corresponding to the multicast broadcast service and identification information for the session for the multicast broadcast service.

[0220] In some embodiments, for a multicast broadcast service, if the first information is identification information of a region corresponding to the multicast broadcast service, and the identification information of the region corresponding to the multicast broadcast service is associated with a service type of the multicast broadcast service, the identification information of the region corresponding to the multicast broadcast service is associated with identification information of a session under the service type of the multicast broadcast service. In this case, the identification information of the region corresponding to the multicast broadcast service may be carried in the configuration information of the session under the service type of the multicast broadcast service and sent.

[0221] In some embodiments, the configuration information of the session under the service type of the multicast broadcast service may be sent in a manner different from the SIB.

[0222] In some embodiments, for a multicast broadcast service, if the first information is identification information of a region corresponding to the multicast broadcast service, and the identification information of the region corresponding to the multicast broadcast service is associated with a session for the multicast broadcast service, the identification information of the region corresponding to the multicast broadcast service is associated with the identification information of the session for the multicast broadcast service. In this case, the identification information of the region corresponding to the multicast broadcast service may be carried in the configuration information of the session for the multicast broadcast service and sent.

[0223] In some embodiments, configuration information of a multicast broadcast service session may be sent in a manner different from SIB.

[0224] In some embodiments, the configuration information of the multicast broadcast service session may be provided by an MBSBroadcastConfiguration information element or an MBS-SessionInfoList.

[0225] In one embodiment, SIB20 includes configuration information of the area corresponding to the multicast broadcast service and identification information of the area corresponding to the multicast broadcast service. Then, MBSBroadcastConfiguration or MBS-SessionInfoList includes configuration information of the area corresponding to the multicast broadcast service and identification information of the area corresponding to the multicast broadcast service.

[0226] In some embodiments, for a multicast broadcast service, when the first information is identification information of an area corresponding to the multicast broadcast service and configuration information of the area corresponding to the multicast broadcast service, and the identification information of the area corresponding to the multicast broadcast service is associated with a service type of the multicast broadcast service, the identification information of the area corresponding to the multicast broadcast service is associated with identification information of a session under the service type of the multicast broadcast service. In this case, the configuration information of the area corresponding to the multicast broadcast service can be carried in the configuration information of the multicast broadcast service and sent, the configuration information of the multicast broadcast service can be sent in an SIB, and the identification information of the area corresponding to the multicast broadcast service can be carried in the configuration information of the session under the service type of the multicast broadcast service and sent.

[0227] In some embodiments, for a multicast broadcast service, the SIB may carry configuration information of an area corresponding to the multicast broadcast service, and the configuration information of the area corresponding to the multicast broadcast service is associated with identification information of the area corresponding to the multicast broadcast service.

[0228] In some embodiments, for a multicast broadcast service, when the first information is identification information of an area corresponding to the multicast broadcast service and configuration information of the area corresponding to the multicast broadcast service, and the identification information of the area corresponding to the multicast broadcast service is associated with a session for the multicast broadcast service, the identification information of the area corresponding to the multicast broadcast service is associated with the identification information of the session for the multicast broadcast service. In this case, the configuration information of the area corresponding to the multicast broadcast service may be carried in the configuration information of the multicast broadcast service and sent, the configuration information of the multicast broadcast service may be sent in a SIB, and the identification information of the area corresponding to the multicast broadcast service may be carried in the configuration information of the session for the multicast broadcast service and sent.

[0229] In some embodiments, for a multicast broadcast service, when the first information is associated with the multicast broadcast service, the terminal may receive the first information carried in configuration information of the multicast broadcast service.

[0230] In some embodiments, for a multicast broadcast service, when the first information is configuration information of an area corresponding to the multicast broadcast service, and the configuration information of the area corresponding to the multicast broadcast service is associated with the service type of the multicast broadcast service, the terminal can receive the configuration information of the area corresponding to the multicast broadcast service carried in the configuration information of the multicast broadcast service.

[0231] In some embodiments, for a multicast broadcast service, when the first information is configuration information of an area corresponding to the multicast broadcast service, and the configuration information of the area corresponding to the multicast broadcast service is associated with a session of the multicast broadcast service, the terminal can receive the configuration information of the area corresponding to the multicast broadcast service carried in the configuration information of the multicast broadcast service.

[0232] In some embodiments, for a multicast broadcast service, when the first information is identification information of an area corresponding to the multicast broadcast service and configuration information of an area corresponding to the multicast broadcast service, and the identification information of the area corresponding to the multicast broadcast service is associated with the service type of the multicast broadcast service, the terminal can receive the configuration information of the area corresponding to the multicast broadcast service carried in the configuration information of the multicast broadcast service and the identification information of the area corresponding to the multicast broadcast service carried in the configuration information of the session under the service type of the multicast broadcast service.

[0233] In some embodiments, for a multicast broadcast service, when the first information is identification information of an area corresponding to the multicast broadcast service and configuration information of an area corresponding to the multicast broadcast service, and the identification information of the area corresponding to the multicast broadcast service is associated with a session of the multicast broadcast service, the terminal can receive the configuration information of the area corresponding to the multicast broadcast service carried in the configuration information of the multicast broadcast service and the identification information of the area corresponding to the multicast broadcast service carried in the configuration information of the session of the multicast broadcast service.

[0234] In some embodiments, when the broadcast service is an earthquake and tsunami warning service, the first information may include at least one of the following: identification information of the area corresponding to the earthquake and tsunami warning service, and configuration information of the area corresponding to the earthquake and tsunami warning service.

[0235] In some embodiments, the identification information of the area corresponding to the earthquake and tsunami warning service may be an identifier of the area corresponding to the earthquake and tsunami warning service.

[0236] In some embodiments, the identification information of the area corresponding to the earthquake and tsunami warning service can be used to identify the area corresponding to the earthquake and tsunami warning service. In this case, the first information can be used to indicate the area corresponding to the earthquake and tsunami warning service identified by the identification information.

[0237] In some embodiments, the area corresponding to the earthquake and tsunami warning service may be a valid area of ​​the earthquake and tsunami warning service. In this case, the identification information of the area corresponding to the earthquake and tsunami warning service may be an identifier of the valid area of ​​the earthquake and tsunami warning service.

[0238] In some embodiments, the identification information of the area corresponding to the earthquake and tsunami warning service can be used to identify the effective area of ​​the earthquake and tsunami warning service. In this case, the first information can be used to indicate the effective area of ​​the earthquake and tsunami warning service identified by the identification information.

[0239] In some embodiments, the identification information of the area corresponding to the earthquake and tsunami warning service may be associated with the configuration information of the area corresponding to the earthquake and tsunami warning service. In this case, a corresponding relationship may exist between the identification information of the area corresponding to the earthquake and tsunami warning service and the configuration information of the area corresponding to the earthquake and tsunami warning service. This corresponding relationship may be stored in a network device, in a terminal, or in other locations, and this embodiment does not specifically limit this.

[0240] In some embodiments, the configuration information of the area corresponding to the earthquake and tsunami warning service may be: a geographical area configured for the earthquake and tsunami warning service. In this case, the geographical area may be represented by coordinates.

[0241] In some embodiments, the configuration information of the area corresponding to the earthquake and tsunami warning service may be: an area mapped on a map configured for the earthquake and tsunami warning service. In this case, the geographical area may be represented by the coordinates of the area mapped on the map.

[0242] In some embodiments, the configuration information of the area corresponding to the earthquake and tsunami warning service may include at least one of the following: second information, third information, and fourth information.

[0243] In some embodiments, the second information may be used to indicate the coordinates of the geographical area configured for the earthquake and tsunami warning service in the reference coordinate system.

[0244] In some embodiments, the second information may be used to indicate: coordinates of an area mapped onto a map configured for the earthquake and tsunami warning service in a reference coordinate system.

[0245] In some embodiments, the shape of the area represented by the coordinates indicated by the second information may include at least one of the following: a rectangle, a polygon, a circle, and a line.

[0246] In some embodiments, the third information may be used to indicate that the geographical area configured for the earthquake and tsunami warning service is a city.

[0247] In some embodiments, the third information may be used to indicate that the area mapped on the map configured for the earthquake and tsunami warning service is a city.

[0248] In some embodiments, the third information may be a code for identifying different cities.

[0249] In some embodiments, the third information may include, for example, a city code, a postal code, a telephone area code, etc.

[0250] In some embodiments, the fourth information may be used to indicate that the geographical area configured for the earthquake and tsunami warning service is a country.

[0251] In some embodiments, the fourth information may be used to indicate that the area mapped on the map configured for the earthquake and tsunami warning service is a country.

[0252] In some embodiments, the fourth information may be a code for identifying different countries.

[0253] In some embodiments, the fourth information may include a country code.

[0254] In some embodiments, the fourth information may be, for example, a mobile country code.

[0255] In some embodiments, a region may be configured for the earthquake and tsunami warning service.

[0256] In some embodiments, for example, a geographical area may be configured for the earthquake and tsunami warning service.

[0257] In some embodiments, for example, an area mapped onto a map may be configured for the earthquake and tsunami warning service.

[0258] In some embodiments, when the broadcast service is an earthquake and tsunami warning service, the first information may be carried in the system information and sent.

[0259] In some embodiments, when the broadcast service is an earthquake and tsunami warning service, the terminal may receive the first information carried in the system information.

[0260] In some embodiments, when the broadcast service is an earthquake and tsunami warning service and the first information is configuration information of the area corresponding to the earthquake and tsunami warning service, the configuration information of the area corresponding to the earthquake and tsunami warning service can be sent through SIB6.

[0261] In some embodiments, when the broadcast service is an earthquake and tsunami warning service and the first information is identification information of the area corresponding to the earthquake and tsunami warning service, the identification information of the area corresponding to the earthquake and tsunami warning service can be sent through system information.

[0262] In some embodiments, when the broadcast service is an earthquake and tsunami warning service, and the first information is the identification information of the area corresponding to the earthquake and tsunami warning service and the configuration information of the area corresponding to the earthquake and tsunami warning service, the identification information of the area corresponding to the earthquake and tsunami warning service and the configuration information of the area corresponding to the earthquake and tsunami warning service can be sent through system information.

[0263] In some embodiments, when the broadcast service is a commercial mobile warning service, the first information may include at least one of the following: identification information of the area corresponding to the commercial mobile warning service, and configuration information of the area corresponding to the commercial mobile warning service.

[0264] In some embodiments, the identification information of the area corresponding to the commercial mobile early warning service may be an identifier of the area corresponding to the commercial mobile early warning service.

[0265] In some embodiments, the identification information of the area corresponding to the commercial mobile warning service can be used to identify the area corresponding to the commercial mobile warning service. In this case, the first information can be used to indicate the area corresponding to the commercial mobile warning service identified by the identification information.

[0266] In some embodiments, the area corresponding to the commercial mobile warning service may be an effective area of ​​the commercial mobile warning service. In this case, the identification information of the area corresponding to the commercial mobile warning service may be an identifier of the effective area of ​​the commercial mobile warning service.

[0267] In some embodiments, the identification information of the area corresponding to the commercial mobile early warning service can be used to identify the effective area of ​​the commercial mobile early warning service. In this case, the first information can be used to indicate the effective area of ​​the commercial mobile early warning service identified by the identification information.

[0268] In some embodiments, the identification information of the area corresponding to the commercial mobile warning service may be associated with the configuration information of the area corresponding to the commercial mobile warning service. In this case, a corresponding relationship may exist between the identification information of the area corresponding to the commercial mobile warning service and the configuration information of the area corresponding to the commercial mobile warning service. This corresponding relationship may be stored in a network device, a terminal, or other location, and this embodiment does not specifically limit this.

[0269] In some embodiments, the configuration information of the area corresponding to the commercial mobile warning service may be: a geographical area configured for the commercial mobile warning service. In this case, the geographical area may be represented by coordinates.

[0270] In some embodiments, the configuration information of the area corresponding to the commercial mobile warning service may be: an area mapped on a map configured for the commercial mobile warning service. In this case, the geographical area may be represented by the coordinates of the area mapped on the map.

[0271] In some embodiments, the configuration information of the area corresponding to the commercial mobile early warning service may include at least one of the following: second information, third information, and fourth information.

[0272] In some embodiments, the second information may be used to indicate: coordinates of a geographical area configured for the commercial mobile warning service in a reference coordinate system.

[0273] In some embodiments, the second information may be used to indicate: coordinates of an area mapped onto a map configured for the commercial mobile warning service in a reference coordinate system.

[0274] In some embodiments, the shape of the area represented by the coordinates indicated by the second information may include at least one of the following: a rectangle, a polygon, a circle, and a line.

[0275] In some embodiments, the third information may be used to indicate that the geographical area configured for the commercial mobile early warning service is a city.

[0276] In some embodiments, the third information may be used to indicate that the area mapped on the map configured for the commercial mobile early warning service is a city.

[0277] In some embodiments, the third information may be a code for identifying different cities.

[0278] In some embodiments, the third information may include, for example, a city code, a postal code, a telephone area code, etc.

[0279] In some embodiments, the fourth information may be used to indicate that the geographical area configured for the commercial mobile early warning service is a country.

[0280] In some embodiments, the fourth information may be used to indicate that the area mapped on the map configured for the commercial mobile early warning service is a country.

[0281] In some embodiments, the fourth information may be a code for identifying different countries.

[0282] In some embodiments, the fourth information may include a country code.

[0283] In some embodiments, the fourth information may be, for example, a mobile country code.

[0284] In some embodiments, a region may be configured for commercial mobile alert services.

[0285] In some embodiments, for example, a geographic area may be configured for a commercial mobile alert service.

[0286] In some embodiments, for example, a commercial mobile warning service may be configured with an area mapped onto a map.

[0287] In some embodiments, when the broadcast service is a commercial mobile early warning service, the first information may be carried in the system information and sent.

[0288] In some embodiments, when the broadcast service is a commercial mobile warning service, the terminal may receive the first information carried in the system information.

[0289] In some embodiments, when the broadcast service is a commercial mobile early warning service and the first information is configuration information of an area corresponding to the commercial mobile early warning service, the configuration information of the area corresponding to the commercial mobile early warning service may be sent via SIB6.

[0290] In some embodiments, when the broadcast service is a commercial mobile warning service and the first information is identification information of an area corresponding to the commercial mobile warning service, the identification information of the area corresponding to the commercial mobile warning service may be sent through system information.

[0291] In some embodiments, when the broadcast service is a commercial mobile early warning service, and the first information is the identification information of the area corresponding to the commercial mobile early warning service and the configuration information of the area corresponding to the commercial mobile early warning service, the identification information of the area corresponding to the commercial mobile early warning service and the configuration information of the area corresponding to the commercial mobile early warning service can be sent through system information.

[0292] In some embodiments, when the broadcast service is at least one of the following: a multicast broadcast service, an earthquake and tsunami warning service, and a commercial mobile early warning service, a zone may be configured for each different broadcast service. For example, one zone may be configured for the multicast broadcast service, one zone may be configured for the earthquake and tsunami warning service, and one zone may be configured for the commercial mobile early warning service. In this case, the first information may be configuration information for the zone corresponding to each broadcast service, and the first information may not include identification information for the zone corresponding to each broadcast service.

[0293] In some embodiments, the area configured for the multicast broadcast service, the earthquake and tsunami warning service, and the commercial mobile early warning service can be the same or different.

[0294] Step S202: The terminal determines whether the terminal is located in the area according to the first information.

[0295] In some embodiments, the terminal may determine the area corresponding to the broadcast service based on the received first information, and determine whether the terminal is located in the area corresponding to the broadcast service in combination with its own actual geographical area.

[0296] In some embodiments, the terminal may determine the valid area of ​​the broadcast service based on the received first information, and determine whether the terminal is located in the valid area of ​​the broadcast service in combination with its own actual geographical area.

[0297] In some embodiments, when the first information is not associated with a session of the multicast broadcast service, the terminal may apply the first information to all service types of the multicast broadcast service, or apply the first information to all sessions of the multicast broadcast service.

[0298] In some embodiments, the terminal may determine whether it is located in the area corresponding to the multicast broadcast service based on the received area configuration information carried in the configuration information of the multicast broadcast service and its actual geographical area.

[0299] In some embodiments, the terminal may obtain the configuration information of the area according to the configuration information of the MBS provided by SIB20 for the UE.

[0300] In some embodiments, the terminal may obtain configuration information of the area according to the information element mcch-Config-r17.

[0301] In some embodiments, the terminal may determine whether it is located in the valid area of ​​the multicast broadcast service based on the received area configuration information carried in the configuration information of the multicast broadcast service and its actual geographical area.

[0302] In some embodiments, the terminal can determine whether it is located in the area corresponding to the multicast broadcast service based on the received configuration information of the area carried in the configuration information of the multicast broadcast service and the identification information of the area carried in the configuration information of the session under the service type of the multicast broadcast service, combined with its own actual geographical area.

[0303] In some embodiments, the terminal may receive configuration information of a session under a service type of a multicast broadcast service provided by MBSBroadcastConfiguration or MBS-SessionInfoList.

[0304] In some embodiments, SIB20 includes configuration information of the area corresponding to the multicast broadcast service and identification information of the area corresponding to the multicast broadcast service. Then, the terminal can obtain the configuration information of the area corresponding to the multicast broadcast service and identification information of the area corresponding to the multicast broadcast service according to MBSBroadcastConfiguration or MBS-SessionInfoList.

[0305] In some embodiments, the terminal can determine whether it is located in the valid area of ​​the multicast broadcast service based on the received configuration information of the area carried in the configuration information of the multicast broadcast service and the identification information of the area carried in the configuration information of the session under the service type of the multicast broadcast service, combined with its own actual geographical area.

[0306] In some embodiments, the terminal can determine whether it is located in the area corresponding to the multicast broadcast service based on the received configuration information of the area carried in the configuration information of the multicast broadcast service and the identification information of the area carried in the configuration information of the session of the multicast broadcast service, combined with its own actual geographical area.

[0307] In some embodiments, the terminal may receive configuration information of the multicast broadcast service session provided by MBSBroadcastConfiguration or MBS-SessionInfoList.

[0308] In some embodiments, the terminal can determine whether it is located in the valid area of ​​the multicast broadcast service based on the received configuration information of the area carried in the configuration information of the multicast broadcast service and the identification information of the area carried in the configuration information of the session of the multicast broadcast service, combined with its own actual geographical area.

[0309] In some embodiments, the terminal may determine the area corresponding to the broadcast service based on the session identification information received in the configuration information of the multicast broadcast service, and determine whether it is located in the area corresponding to the broadcast service based on its own actual geographical area.

[0310] In some embodiments, the terminal may determine the effective area of ​​the broadcast service based on the session identification information received in the configuration information of the multicast broadcast service, and determine whether it is located in the effective area of ​​the broadcast service based on its own actual geographical area.

[0311] In some embodiments, the terminal may determine the area corresponding to the broadcast service based on the received first information carried in the system information, and determine whether the terminal is located in the area corresponding to the broadcast service based on its own actual geographical area.

[0312] In some embodiments, the terminal may determine the valid area of ​​the broadcast service based on the received first information carried in the system information, and determine whether the terminal is located in the valid area of ​​the broadcast service based on its actual geographical area.

[0313] In some embodiments, when the configuration information of the area received by the terminal includes cities and / or countries, the terminal can determine the actual geographical area information corresponding to the city and / or country based on the local map to determine whether it is located in the area corresponding to the broadcast service.

[0314] In some embodiments, when the configuration information of the area received by the terminal includes cities and / or countries, the terminal can determine the actual geographical area information corresponding to the city and / or country based on the local map to determine whether it is located in the valid area of ​​the broadcast service.

[0315] Step S203: The network device sends service data of the broadcast service.

[0316] In some embodiments, the network device may send service data of the broadcast service in a broadcast manner.

[0317] In some embodiments, when the terminal determines that it is located in an area corresponding to a broadcast service, the terminal receives service data of the broadcast service.

[0318] In some embodiments, when the terminal determines that it is located in a valid area of ​​the broadcast service, the terminal receives service data of the broadcast service.

[0319] 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", "field", "symbol", "symbol", "codeword", "codebook", "codeword", "codepoint", "bit", "data", "program", and "chip" can be used interchangeably.

[0320] In some embodiments, the terms "radio", "wireless", "radio access network (RAN)", "access network (AN)", "RAN-based" and the like may be used interchangeably.

[0321] 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.

[0322] In some embodiments, terms such as "send", "transmit", "report", "download", "transmit", "bidirectional transmission", "send and / or receive" can be used interchangeably.

[0323] 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.

[0324] The communication method involved in the embodiment of the present disclosure may include at least one of steps S201 to S203. For example, step S201 may be implemented as an independent embodiment, and the combination of steps S201, S202, and S203 may be implemented as an independent embodiment, but is not limited thereto.

[0325] In some embodiments, steps S202 and S203 are optional, and one or more of these steps may be omitted or replaced in different embodiments.

[0326] In some embodiments, reference may be made to other optional implementations described before or after the description corresponding to FIG. 2 .

[0327] FIG3A is a flow chart of a communication method performed by a network device according to an embodiment of the present disclosure. As shown in FIG3A , the present disclosure embodiment relates to a communication method. The communication method includes steps S3101 to S3102.

[0328] Step S3101, sending the first information.

[0329] The optional implementation of step S3101 can refer to the optional implementation of step S201 in Figure 2 and other related parts in the embodiment involved in Figure 2, which will not be repeated here.

[0330] Step S3102: Send service data of the broadcast service.

[0331] The optional implementation of step S3102 can refer to the optional implementation of step S203 in Figure 2 and other related parts in the embodiment involved in Figure 2, which will not be repeated here.

[0332] FIG3B is a flow chart of a communication method performed by a terminal according to an embodiment of the present disclosure. As shown in FIG3B , the present disclosure embodiment relates to a communication method. The communication method includes steps S3201 to S3203.

[0333] Step S3201, obtain first information.

[0334] The optional implementation of step S3201 can refer to the optional implementation of step S201 in Figure 2 and other related parts in the embodiment involved in Figure 2, which will not be repeated here.

[0335] Step S3202: Determine whether the terminal is located within the area based on the first information.

[0336] The optional implementation of step S3202 can refer to the optional implementation of step S202 in Figure 2 and other related parts in the embodiment involved in Figure 2, which will not be repeated here.

[0337] Step S3203: When the terminal is within the area, service data of the broadcast service is received.

[0338] The optional implementation of step S3203 can refer to the optional implementation of step S203 in Figure 2 and other related parts in the embodiment involved in Figure 2, which will not be repeated here.

[0339] FIG4A is another flow chart illustrating a communication method executed by a network device according to an embodiment of the present disclosure. As shown in FIG4A , the present disclosure embodiment relates to a communication method. The communication method includes step S4101.

[0340] Step S4101, sending the first information.

[0341] The optional implementation of step S4101 can refer to the optional implementation of step S201 in Figure 2 and other related parts in the embodiment involved in Figure 2, which will not be repeated here.

[0342] FIG4B is another flow chart illustrating a communication method executed by a terminal side according to an embodiment of the present disclosure. As shown in FIG4B , the embodiment of the present disclosure relates to a communication method. The communication method includes step S4201.

[0343] Step S4201, obtain first information.

[0344] The optional implementation of step S4201 can refer to the optional implementation of step S201 in Figure 2 and other related parts in the embodiment involved in Figure 2, which will not be repeated here.

[0345] In some embodiments, the network device may configure a valid area for the broadcast service.

[0346] In some embodiments, the broadcast service may be at least one of the following: MBS, ETWS, CMAS.

[0347] In some embodiments, for MBS, the network device may configure different valid areas for MBSs of different service types or different MBS sessions.

[0348] In some embodiments, the configuration information of the MBS valid area may be associated with the MBS session ID.

[0349] In some embodiments, the MBS session ID may be at least one of the following: mbs-session ID, TMGI.

[0350] In some embodiments, configuration information of the validity area associated with the MBS session ID may be sent via SIB20.

[0351] In some embodiments, the UE determines the MBS valid area according to the MBS session ID in the received configuration information of the MBS valid area.

[0352] In some embodiments, if the configuration information of the valid area is not associated with the MBS session ID (for example, only the valid area is configured in the system message), the terminal considers that the configuration information of the valid area is applicable to all MBSs.

[0353] In some embodiments, the valid area of ​​the MBS service may be associated with an area ID of the valid area. In this case, the valid area of ​​the MBS service and the area ID of the valid area may be sent via SIB20.

[0354] In some embodiments, the area ID of the valid area may be added to the configuration information of the MBS, or the area ID may be added to the MBS session info.

[0355] In some embodiments, the UE determines the valid area of ​​the MBS according to the area ID of the valid area.

[0356] In some embodiments, if the MBS configuration information does not include the area ID of the valid area, the UE ignores the configuration information of the valid area sent by the network device.

[0357] In some embodiments, for ETWS, a valid area of ​​ETWS is added in SIB6.

[0358] In some embodiments, the valid area may include at least one of the following: a rectangle, a polygon, a circle, a line, a city, a country.

[0359] In some embodiments, when the valid area is at least one of the following: a rectangle, a polygon, a circle, and a line, the valid area may be represented by a coordinate system.

[0360] In some embodiments, when the valid area is a country, the country may be represented by the MCC.

[0361] In some embodiments, when the valid area is a city, the city may be represented by a code.

[0362] In some embodiments, when the valid area is a city or a country, the UE determines whether it is in the valid area based on reality. For example, the UE may determine whether it is in the valid area based on a locally stored map.

[0363] 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) in any of the above methods.

[0364] It should be understood that the division of the various units or modules in the above device is merely a division of logical functions, and 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, and the processor calls the instructions stored in the memory to implement any of the above methods or implement the functions of the various units or modules of the above device, wherein the processor is, for example, a general-purpose processor, such as a central processing unit (CPU) or a microprocessor, and the memory is a memory within the device or a memory outside the device. Alternatively, the units or modules in the device can be implemented in the form of hardware circuits, and the functions of some or all of the units or modules can be realized by designing the hardware circuits. The above-mentioned hardware circuits can be understood as one or more processors; for example, in one implementation, the above-mentioned hardware circuit is an application-specific integrated circuit (ASIC), and the functions of some or all of the above units or modules are realized by designing the logical relationship of the components in the circuit; for example, in another implementation, the above-mentioned hardware circuit can be realized by a programmable logic device (PLD), taking a field programmable gate array (FPGA) as an example, which 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 software called by the processor, and the rest by hardware circuits.

[0365] In the embodiment of the present disclosure, the processor is a circuit with signal processing capability. In one implementation, the processor can be a circuit with instruction reading and execution capability, such as a CPU, a microprocessor, a graphics processing unit (GPU) (also understood as a microprocessor), or a digital signal processor (DSP); in another implementation, the processor can implement certain functions through the logical relationship of the hardware circuit, and the logical relationship of the above-mentioned hardware circuit is fixed or reconfigurable, such as a hardware circuit implemented by an ASIC or 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.

[0366] As shown in Figure 5A, Figure 5A is a structural diagram of a communication device shown according to an embodiment of the present disclosure. The structure of the above-mentioned communication device 5100 can be as shown in Figure 5A. The communication device 5100 can be a network device. The communication device 5100 includes: a first transceiver module 5101. In some embodiments, the first transceiver module 5101 is used to send first information, wherein the first information is used to indicate the area corresponding to the broadcast service. In some embodiments, the above-mentioned first transceiver module 5101 is configured to perform at least one of the communication steps such as sending and / or receiving (for example, step S3101, step S3102) performed by the network device in any of the above methods, which will not be repeated here.

[0367] In some embodiments, the first transceiver module 5101 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 first transceiver module 5101 may be interchangeable with a transceiver.

[0368] As shown in Figure 5B, Figure 5B is a structural diagram of a communication device shown according to an embodiment of the present disclosure. The structure of the above-mentioned communication device 5200 can be as shown in Figure 5B. The communication device 5200 can be a terminal. The communication device 5200 includes: a second transceiver module 5201. In some embodiments, the second transceiver module 5201 is used to receive first information, wherein the first information is used to indicate the area corresponding to the broadcast service. In some embodiments, the above-mentioned second transceiver module 5201 is configured to perform at least one of the communication steps such as sending and / or receiving performed by the terminal in any of the above methods (for example, step S3201, step S3203), which will not be repeated here.

[0369] In some embodiments, the second transceiver module 5201 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 second transceiver module 5201 may be interchangeable with a transceiver.

[0370] Figure 6A is a schematic diagram of the structure of a communication device proposed in an embodiment of the present disclosure. Communication device 6100 can be a network device (e.g., a base station), a terminal (e.g., user equipment, etc.), a chip, a chip system, or a processor that supports the communication device to implement any of the above methods, or a chip, a chip system, or a processor that supports the terminal to implement 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.

[0371] 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 communication protocols and communication data, and the central processing unit can be used to control network nodes (such as base stations, baseband chips, terminal devices, terminal device chips, DUs or CUs, 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.

[0372] 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 method (e.g., step S201 and step S203, but not limited thereto), and the processor 6101 performs at least one of the other steps (e.g., step S202, but not limited thereto). 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 interchangeable, the terms transmitter, transmitting unit, transmitter, and transmitting circuit may be interchangeable, and the terms receiver, receiving unit, receiver, and receiving circuit may be interchangeable.

[0373] 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.

[0374] 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 access network device may be an independent device or may be part of a larger device. For example, the terminal 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.

[0375] FIG6B is a schematic diagram of a chip structure according to an embodiment of the present disclosure. For the case where the communication device 6100 can be a chip or a chip system, reference can be made to the schematic diagram of the chip structure 6200 shown in FIG6B , but the present disclosure is not limited thereto.

[0376] The chip 6200 includes one or more processors 6201. The chip 6200 is configured to execute any of the above methods.

[0377] 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.

[0378] In some embodiments, the interface circuit 6202 performs at least one of the communication steps of sending and / or receiving in the above method. For example, the interface circuit 6202 performing the communication steps of sending and / or receiving in the above method means that the interface circuit 6202 performs data exchange between the processor 6201, the chip 6200, the memory 6203, or the transceiver device.

[0379] 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.

[0380] 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.

[0381] 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.

[0382] The embodiments of the present disclosure also provide a computer program, which, when executed on a computer, enables the computer to execute any one of the above methods.

Claims

1. A communication method, applied to a network device, comprising: First information is sent, where the first information is used to indicate an area corresponding to the broadcast service.

2. The method according to claim 1, wherein The area corresponding to the broadcast service is the valid area of the broadcast service.

3. The method according to claim 1 or 2, wherein: The first information includes at least one of the following: identification information of the area, where the identification information of the area is used to indicate configuration information of the area; The configuration information of the area is used to indicate the area.

4. The method according to any one of claims 1 to 3, wherein: The broadcast service is at least one of the following: Multicast broadcast services; Earthquake and tsunami warning services; Commercial mobile early warning service.

5. The method according to any one of claims 1 to 4, wherein: The method further comprises: Configure a zone for a broadcast service.

6. The method according to any one of claims 1 to 4, wherein: The broadcast service is a multicast broadcast service, and the method further includes: Configure a zone for a multicast broadcast service of a service type.

7. The method according to claim 6, wherein the multicast broadcast service has multiple service types, and the areas configured for the multicast broadcast services of the multiple service types are the same, or the areas configured for the multicast broadcast services of the multiple service types are different.

8. The method according to claim 6 or 7, wherein: A multicast broadcast service of a service type is associated with a multicast broadcast service session.

9. The method according to any one of claims 6 to 8, wherein: For a multicast broadcast service, the first information is associated with at least one of the following: Multicast broadcast services; Service type of multicast broadcast service; Multicast broadcast service session.

10. The method according to claim 9, wherein: The first information is associated with a service type of a multicast broadcast service or the first information is associated with a session of a multicast broadcast service. The first information is also associated with identification information of the session of the multicast broadcast service.

11. The method according to claim 9, wherein: The first information is associated with a multicast broadcast service, and the first information is carried in configuration information of the multicast broadcast service and sent.

12. The method according to claim 9 or 10, wherein: The first information is configuration information of the area, and the configuration information of the area is associated with the service type of the multicast broadcast service or the session of the multicast broadcast service. The configuration information of the area is carried in the configuration information of the multicast broadcast service and sent.

13. The method according to claim 9 or 10, wherein: The first information is the identification information of the area and the configuration information of the area, and the identification information of the area is associated with the service type of the multicast broadcast service or the session of the multicast broadcast service, the configuration information of the area is carried in the configuration information of the multicast broadcast service and sent, and the identification information of the area is carried in the configuration information of the session and sent.

14. The method according to any one of claims 1 to 13, wherein: The first information is carried in system information and sent.

15. The method according to any one of claims 1 to 14, wherein: The configuration information of the area includes at least one of the following: second information, where the second information is used to indicate the coordinates of the region in a reference coordinate system; third information, the third information being used to indicate a city; The fourth information is used to indicate a country.

16. The method according to claim 15, wherein The shape of the area represented by the coordinates indicated by the second information includes at least one of the following: rectangle; polygons; round; line.

17. The method according to claim 15, wherein: The third information includes a city code.

18. The method according to claim 15, wherein The fourth information includes a country code.

19. A communication method, applied to a terminal, comprising: First information is received, where the first information is used to indicate an area corresponding to a broadcast service.

20. The method according to claim 19, wherein The area corresponding to the broadcast service is the valid area of the broadcast service.

21. The method according to claim 19 or 20, further comprising, after receiving the first information: Determine whether the terminal is located in the area according to the first information.

22. The method according to any one of claims 19 to 21, wherein: The terminal is located in the area, and the method further includes: Receive service data of the broadcast service.

23. The method according to any one of claims 19 to 22, wherein: The first information includes at least one of the following: identification information of the area, where the identification information of the area is used to indicate configuration information of the area; The configuration information of the area is used to indicate the area.

24. The method according to any one of claims 19 to 23, wherein: The broadcast service is at least one of the following: Multicast broadcast services; Earthquake and tsunami warning services; Commercial mobile early warning service.

25. The method according to any one of claims 19 to 24, wherein One broadcast service corresponds to one area.

26. The method according to any one of claims 19 to 24, wherein: The broadcast service is a multicast broadcast service, and a multicast broadcast service of one service type corresponds to one area.

27. The method according to claim 26, wherein There are multiple service types of the multicast broadcast service, and the areas corresponding to the multicast broadcast services of the multiple service types are the same, or the areas corresponding to the multicast broadcast services of the multiple service types are different.

28. The method according to claim 26 or 27, wherein A multicast broadcast service of a service type is associated with a multicast broadcast service session.

29. The method according to any one of claims 26 to 28, wherein For the multicast broadcast service, the first information is associated with at least one of the following: Multicast broadcast services; Service type of multicast broadcast service; Multicast broadcast service session.

30. The method according to claim 29, wherein The first information is associated with a service type of a multicast broadcast service or the first information is associated with a session of a multicast broadcast service. The first information is also associated with identification information of the session of the multicast broadcast service.

31. The method according to claim 29, wherein The first information is associated with a multicast broadcast service, and the first information is received in configuration information of the multicast broadcast service.

32. The method according to claim 29 or 30, wherein The first information is configuration information of the area, and the configuration information of the area is associated with a service type of the multicast broadcast service or a session of the multicast broadcast service, and the configuration information of the area carried in the configuration information of the multicast broadcast service is received.

33. The method according to claim 29 or 30, wherein The first information is the identification information of the area and the configuration information of the area, and the identification information of the area is associated with the service type of the multicast broadcast service or the session of the multicast broadcast service, and the configuration information of the area carried in the configuration information of the multicast broadcast service and the identification information of the area carried in the configuration information of the session are received.

34. The method according to any one of claims 29 to 33, wherein: The first information is not associated with the session of the multicast broadcast service, and the first information is applied to all service types of the multicast broadcast service or all sessions of the multicast broadcast service.

35. The method according to any one of claims 19 to 34, wherein: Receive the first information carried in system information.

36. The method according to any one of claims 19 to 35, wherein The configuration information of the area includes at least one of the following: second information, where the second information is used to indicate the coordinates of the region in a reference coordinate system; third information, the third information being used to indicate a city; The fourth information is used to indicate a country.

37. The method according to claim 36, wherein The shape of the area represented by the coordinates indicated by the second information includes at least one of the following: rectangle; polygons; round; line.

38. The method of claim 36, wherein: The third information includes a city code.

39. The method according to claim 36, wherein The fourth information includes a country code.

40. The method according to claim 36 or 37, wherein The configuration information of the region includes the city and / or the country, and the method further includes: The actual geographical area information corresponding to the city and / or the country is determined according to a local map.

41. A network device comprising: The first transceiver module is configured to send first information, wherein the first information is used to indicate an area corresponding to the broadcast service.

42. A terminal comprising: The second transceiver module is configured to receive first information, wherein the first information is used to indicate an area corresponding to the broadcast service.

43. A network device comprising: at least one processor; a memory storing instructions; When the instruction is executed by the network device, the network device implements the communication method according to any one of claims 1 to 18.

44. A terminal comprising: at least one processor; a memory storing instructions; When the instruction is executed by the terminal, the terminal implements the communication method according to any one of claims 19 to 40.

45. A communication system comprising: A network device configured to implement the communication method according to any one of claims 1 to 18; A terminal configured to implement the communication method according to any one of claims 19 to 40.

46. A storage medium storing instructions, wherein: When the instruction is executed on a communication device, the communication device is caused to execute the communication method according to any one of claims 1 to 40.

Images