Communication method and system, terminal, network device, storage medium, and program product

Abstract

The present disclosure relates to a communication method and system, a terminal, a network device, a storage medium, and a program product. The communication method comprises: sending first information to the network device, the first information being used for indicating that the terminal supports the capability of processing a physical broadcast channel (PBCH) for long term evolution (LTE). Embodiments of the present disclosure can improve communication efficiency.

Description

Communication methods, terminals, network devices, systems, storage media and software products Technical Field

[0001] This disclosure relates to the field of communication technology, and in particular to communication methods, terminals, network devices, systems, storage media, and program products. Background Technology

[0002] With the development of communication technology, Long Term Evolution (LTE) systems and next-generation communication systems will face scenarios of spectrum coexistence and sharing. The Physical Broadcast Channel (PBCH) of the LTE system can interfere with the data transmission of next-generation communication systems. Summary of the Invention

[0003] How to eliminate the interference of LTE PBCH on data transmission is a problem that needs to be solved.

[0004] This disclosure provides communication methods, terminals, network devices, systems, storage media, and program products.

[0005] According to a first aspect of the present disclosure, a communication method is provided, executed by a terminal, the method comprising: sending first information to a network device, the first information being used to indicate that the terminal supports the ability to process the Physical Broadcast Channel (PBCH) for Long Term Evolution (LTE).

[0006] According to a second aspect of the present disclosure, a communication method is provided, performed by a network device, the method comprising: receiving first information sent by a terminal, the first information being used to indicate that the terminal supports the ability to process the Physical Broadcast Channel (PBCH) for Long Term Evolution (LTE).

[0007] According to a third aspect of the present disclosure, a terminal is provided, comprising: a processor; a memory for storing processor-executable instructions; wherein the processor is configured to execute the communication method of the first aspect.

[0008] According to a fourth aspect of the present disclosure, a network device is provided, comprising: a processor; a memory for storing processor-executable instructions; wherein the processor is configured to perform the communication method of the second aspect.

[0009] According to a fifth aspect of the present disclosure, a communication system is provided, including a terminal and a network device, wherein the terminal is configured to implement the communication method of the first aspect, and the network device is configured to implement the communication method of the second aspect.

[0010] According to a sixth aspect of the present disclosure, a storage medium is provided that stores instructions which, when executed on a communication device, cause the communication device to perform the method of the first aspect or the second aspect.

[0011] According to a seventh aspect of the present disclosure, a program product is provided, including at least one of a program and instructions, wherein when the program or instructions are executed by a communication device, the communication method of the first aspect or the second aspect is implemented.

[0012] In this embodiment of the present disclosure, the terminal sends first information to the network device, the first information being used to indicate the terminal's ability to process PBCH for LTE; the terminal having the ability to process PBCH for LTE can eliminate the impact of LTE PBCH on data channel transmission, thereby improving communication efficiency. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings required for the description of the embodiments are introduced below. The following drawings are only some embodiments of this disclosure and do not impose specific limitations on the protection scope of this disclosure.

[0014] Figure 1A is a schematic diagram of the architecture of a communication system according to an embodiment of the present disclosure.

[0015] Figure 1B is a schematic diagram of an LTE PBCH according to an embodiment of the present disclosure.

[0016] Figure 1C is a schematic diagram illustrating the coexistence of MRSS spectra according to an embodiment of the present disclosure.

[0017] Figure 2A is an interactive schematic diagram of a communication method according to an embodiment of the present disclosure.

[0018] Figure 2B is an interactive schematic diagram of a communication method according to an embodiment of the present disclosure.

[0019] Figure 2C is an interactive schematic diagram of a communication method according to an embodiment of the present disclosure.

[0020] Figure 3A is a flowchart illustrating a communication method according to an embodiment of the present disclosure.

[0021] Figure 3B is a flowchart illustrating a communication method according to an embodiment of the present disclosure.

[0022] Figure 4A is a flowchart illustrating a communication method according to an embodiment of the present disclosure.

[0023] Figure 4B is a flowchart illustrating a communication method according to an embodiment of the present disclosure.

[0024] Figure 5 is an interactive schematic diagram of a communication method according to an embodiment of the present disclosure.

[0025] Figure 6A is an interactive schematic diagram of a communication method according to an embodiment of the present disclosure.

[0026] Figure 6B is a flowchart illustrating a communication method according to an embodiment of the present disclosure.

[0027] Figure 7A is a schematic diagram of the structure of the terminal proposed in an embodiment of this disclosure.

[0028] Figure 7B is a schematic diagram of the structure of the network device proposed in an embodiment of this disclosure.

[0029] Figure 8A is a schematic diagram of the structure of the communication device proposed in an embodiment of this disclosure.

[0030] Figure 8B is a schematic diagram of the chip structure proposed in an embodiment of this disclosure. Detailed Implementation

[0031] This disclosure provides communication methods, terminals, network devices, systems, storage media, and program products.

[0032] In a first aspect, embodiments of this disclosure provide a communication method executed by a terminal, the method comprising: sending first information to a network device, the first information being used to instruct the terminal to support the ability to process the Physical Broadcast Channel (PBCH) for Long Term Evolution (LTE).

[0033] In the above embodiments, the terminal sends first information to the network device, the first information being used to indicate the terminal's ability to process PBCH for LTE; the terminal has the ability to process PBCH for LTE, which can eliminate the impact of LTE PBCH on data channel transmission, thereby improving communication efficiency.

[0034] In conjunction with some embodiments of the first aspect, in some embodiments, the first information is used to indicate at least one of the following: the terminal supports the capability of resource unit-level rate matching for the PBCH of LTE; the terminal supports the capability of interference cancellation for the PBCH of LTE; the terminal supports the capability of interference cancellation for the PBCH of LTE based on second information, the second information being information provided by the network device for interference cancellation.

[0035] In conjunction with some embodiments of the first aspect, in some embodiments, the second information includes at least one of the following: indication information for indicating whether LTE and 6G systems coexist; the time domain location of the LTE PBCH; the frequency domain location of the LTE PBCH; and the cell identifier corresponding to the LTE.

[0036] In conjunction with some embodiments of the first aspect, in some embodiments, the first information is used to indicate that the terminal supports the ability to perform resource unit-level rate matching for the PBCH of LTE; the method further includes: receiving third information sent by the network device, the third information including at least one of the time domain location of the PBCH of LTE and the frequency domain location of the PBCH of LTE; and performing resource unit-level rate matching based on the third information.

[0037] In conjunction with some embodiments of the first aspect, in some embodiments, the first information is used to indicate that the terminal supports the ability to perform interference cancellation for the PBCH of LTE; the method further includes: performing interference cancellation for the PBCH of LTE.

[0038] In some embodiments of the first aspect, the first information is used to indicate that the terminal supports the ability to perform interference cancellation on the PBCH of LTE based on the second information; the method further includes: receiving the second information sent by the network device; and performing interference cancellation on the PBCH of LTE based on the second information.

[0039] Secondly, embodiments of this disclosure propose a communication method executed by a network device, the method comprising: receiving first information sent by a terminal, the first information being used to indicate that the terminal supports the ability to process the Physical Broadcast Channel (PBCH) for Long Term Evolution (LTE).

[0040] In conjunction with some embodiments of the second aspect, in some embodiments, the first information is used to indicate at least one of the following: the terminal supports the capability of resource element-level rate matching for the PBCH of LTE; the terminal supports the capability of interference cancellation for the PBCH of LTE; the terminal supports the capability of interference cancellation for the PBCH of LTE based on second information, wherein the second information is information provided by the network device for interference cancellation.

[0041] In conjunction with some embodiments of the second aspect, in some embodiments, the second information includes at least one of the following: indication information for indicating whether LTE and 6G systems coexist; the time domain location of the LTE PBCH; the frequency domain location of the LTE PBCH; and the cell identifier corresponding to the LTE.

[0042] In conjunction with some embodiments of the second aspect, in some embodiments, the first information is used to indicate that the terminal supports the ability to perform resource unit-level rate matching for the LTE PBCH; the method further includes: sending third information to the terminal, the third information including at least one of the time domain location of the LTE PBCH and the frequency domain location of the LTE PBCH; and performing resource unit-level rate matching based on the third information.

[0043] In conjunction with some embodiments of the second aspect, in some embodiments, the first information is used to indicate that the terminal supports the ability to perform interference cancellation for the PBCH of LTE.

[0044] In conjunction with some embodiments of the second aspect, in some embodiments, the first information is used to indicate that the terminal supports the ability to perform interference cancellation on the PBCH of LTE based on the second information; the method further includes: sending the second information to the terminal, the second information being used to perform interference cancellation on the PBCH of LTE.

[0045] Thirdly, embodiments of this disclosure provide a terminal, comprising: a processor; and a memory for storing processor-executable instructions; wherein the processor is configured to execute the communication method of the first aspect.

[0046] Fourthly, embodiments of this disclosure provide a network device, including: a processor; a memory for storing processor-executable instructions; wherein the processor is configured to execute the communication method of the second aspect.

[0047] Fourthly, embodiments of this disclosure propose a communication system including a terminal and a network device, wherein the terminal is configured to implement the communication method of the first aspect, and the network device is configured to implement the communication method of the second aspect.

[0048] Fifthly, embodiments of this disclosure provide a storage medium storing instructions that, when executed on a communication device, cause the communication device to perform the method of the first aspect or the second aspect.

[0049] In a sixth aspect, embodiments of this disclosure provide a program product comprising at least one of a program and instructions, wherein when the program or instructions are executed by a communication device, the communication device performs the communication method of the first aspect or the second aspect.

[0050] In a seventh aspect, embodiments of this disclosure provide a chip or chip system. The chip or chip system includes processing circuitry configured to perform the methods described in optional implementations of the first or second aspect.

[0051] It is understood that the aforementioned communication devices, communication systems, storage media, program products, computer programs, chips, or chip systems are all used to execute the methods proposed in the embodiments of this disclosure. Therefore, the beneficial effects they can achieve can be referred to the beneficial effects in the corresponding methods, and will not be repeated here.

[0052] In some embodiments, the terms communication method, information sending method, information reporting method, and information receiving method can be used interchangeably.

[0053] This disclosure is not exhaustive, but merely illustrative of some embodiments, and is not intended to limit the scope of protection of this disclosure. Unless otherwise specified, each step in a particular 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 particular embodiment can also be implemented as an independent embodiment, and the order of the steps in a particular embodiment can be arbitrarily interchanged. Furthermore, the optional implementation methods in a particular embodiment can be arbitrarily combined; moreover, the embodiments can be arbitrarily combined, for example, some or all steps of different embodiments can be arbitrarily combined, and a particular embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.

[0054] In each of the disclosed embodiments, unless otherwise specified or in case of logical conflict, the terminology and / or descriptions of the embodiments are consistent and can be referenced by each other. Technical features in different embodiments can be combined to form new embodiments based on their inherent logical relationships.

[0055] The terminology used in the embodiments of this disclosure is for the purpose of describing particular embodiments only and is not intended to limit the scope of this disclosure.

[0056] In this embodiment of the disclosure, unless otherwise stated, elements expressed in the singular form, such as "a," "an," "the," "the," "the," "the," "the," "the," "this," etc., can mean "one and only one," or "one or more," "at least one," etc. For example, when using articles such as "a," "an," "the," etc. in translation, the noun following the article can be understood as either a singular expression or a plural expression.

[0057] In the embodiments disclosed herein, "multiple" refers to two or more.

[0058] In some embodiments, the terms “at least one of”, “one or more”, “a plurality of”, “multiple”, etc., may be used interchangeably.

[0059] In some embodiments, the notation "at least one of A and B", "A and / or B", "A in one case, B in another", "in response to one case A, in response to another case B", etc., may include the following technical solutions depending on the situation: in some embodiments, A (execute A regardless of B); in some embodiments, B (execute B regardless of A); in some embodiments, execution is selected from A and B (A and B are selectively executed); in some embodiments, both A and B are executed. The same applies when there are more branches such as A, B, C, etc.

[0060] In some embodiments, the notation "A or B" may include the following technical solutions, depending on the situation: in some embodiments, A (execution of A regardless of B); in some embodiments, B (execution of B regardless of A); in some embodiments, execution is selected from A and B (A and B are selectively executed). The same applies when there are more branches such as A, B, C, etc.

[0061] The prefixes "first," "second," etc., used in the embodiments of this disclosure are merely for distinguishing different descriptive objects and do not impose restrictions on the position, order, priority, quantity, or content of the descriptive objects. The description of the descriptive objects is found in the claims or the context of the embodiments, and the use of prefixes should not constitute unnecessary restrictions. For example, if the descriptive object is a "field," the ordinal numbers preceding "field" in "first field" and "second field" do not restrict the position or order of the "fields." "First" and "second" do not restrict whether the "fields" they modify are in the same message, nor do they restrict the order of "first field" and "second field." Similarly, if the descriptive object is a "level," the ordinal numbers preceding "level" in "first level" and "second level" do not restrict the priority between "levels." Furthermore, the number of descriptive objects is not limited by ordinal numbers and can be one or more. For example, in "first device," the number of "devices" can be one or more. Furthermore, the objects modified by different prefixes can be the same or different. For example, if the object being described is "device", then "first device" and "second device" can be the same device or different devices, and their types can be the same or different. Similarly, if the object being described is "information", then "first information" and "second information" can be the same information or different information, and their content can be the same or different.

[0062] In some embodiments, “including A,” “containing A,” “for indicating A,” and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.

[0063] In some embodiments, the terms “in response to…”, “in response to determining…”, “in the case of…”, “when…”, “if…”, “if…”, etc., can be used interchangeably.

[0064] In some embodiments, the terms “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 lower than,” and “above” can be used interchangeably, as can the terms “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”.

[0065] 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”, “circuit”, “network element”, “node”, “function”, “unit”, “section”, “system”, “network”, “chip”, “chip system”, “entity”, and “subject” can be used interchangeably.

[0066] In some embodiments, "network" can be interpreted as devices included in a network (e.g., access network devices, core network devices, etc.).

[0067] In some embodiments, the terms "access network device (AN device)," "radio access network device (RAN device)," "base station (BS)," "radio base station," "fixed station," "node," "access point," "transmission point (TP)," "reception point (RP)," "transmission / reception point (TRP)," "panel," "antenna panel," "antenna array," "cell," "macro cell," "small cell," "femto cell," "pico cell," "sector," "cell group," "serving cell," "carrier," "component carrier," and "bandwidth part (BWP)" can be used interchangeably.

[0068] 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", and "client" can be used interchangeably.

[0069] In some embodiments, access network devices, core network devices, or network devices can be replaced by terminals. For example, embodiments of this disclosure can also be applied to structures where communication between access network devices, core network devices, or network devices and terminals is replaced by communication between multiple terminals (e.g., device-to-device (D2D), vehicle-to-everything (V2X), etc.). In this case, the structure can also be configured such that the terminal has all or part of the functions of the access network device. Furthermore, terms such as "uplink" and "downlink" can be replaced with terms corresponding to communication between terminals (e.g., "sidelink"). For example, uplink channel, downlink channel, etc., can be replaced with sidelink channel, and uplink link, downlink, etc., can be replaced with sidelink link.

[0070] 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, core network device, or network device may also be configured to have all or some of the functions of the terminal.

[0071] In some embodiments, the acquisition of data, information, etc., may comply with the laws and regulations of the country where the location is situated.

[0072] In some embodiments, data, information, etc., may be obtained with the user's consent.

[0073] Furthermore, each element, each row, or each column in the table of this disclosure can be implemented as an independent embodiment, and any combination of any element, any row, or any column can also be implemented as an independent embodiment.

[0074] Figure 1A is a schematic diagram of the architecture of a communication system according to an embodiment of the present disclosure.

[0075] As shown in Figure 1A, the communication system 100 includes a terminal 101 and a network device 102.

[0076] In some embodiments, terminal 101 may be, for example, a user equipment (UE), including at least one of the following: mobile phone, wearable device, Internet of Things device, car with communication function, smart car, tablet computer, computer with wireless transceiver function, virtual reality (VR) terminal device, augmented reality (AR) terminal device, wireless terminal device in industrial control, wireless terminal device in self-driving, wireless terminal device in remote medical surgery, wireless terminal device in smart grid, wireless terminal device in transportation safety, wireless terminal device in smart city, and wireless terminal device in smart home, but not limited thereto.

[0077] In some embodiments, network device 102 may be a functional network element in a core network device. The core network device may be a single device, including a first network element, a second network element, etc., or it may be multiple devices or a group of devices, each including all or part of the first network element, the second network element, etc. Network elements may be virtual or physical. The core network may include, for example, at least one of an Evolved Packet Core (EPC), a 5G Core Network (5GCN), and a Next Generation Core (NGC).

[0078] In some embodiments, network device 102 may include at least one of access network device and core network device.

[0079] In some embodiments, the access network device is, for example, a node or device that connects a terminal to a wireless network. The access network device may include, but is not limited to, at least one of the following in a 5G communication system: evolved Node B (eNB), next-generation eNB (ng-eNB), next-generation Node B (gNB), node B (NB), home node B (HNB), home evolved node B (HeNB), radio backhaul device, radio network controller (RNC), base station controller (BSC), base transceiver station (BTS), base band unit (BBU), mobile switching center, base station in a 6G communication system, open RAN, cloud RAN, base station in other communication systems, and access node in a Wi-Fi system.

[0080] In some embodiments, the technical solutions of this disclosure can be applied to the Open RAN architecture. In this case, the interfaces between or within access network devices involved in the embodiments of this disclosure can be transformed into internal interfaces of Open RAN. The processes and information interactions between these internal interfaces can be implemented by software or programs.

[0081] In some embodiments, the access network device may be composed of a central unit (CU) and a distributed unit (DU). The CU may also be called a control unit. The CU-DU structure can separate the protocol layer of the access network device. Some of the protocol layer functions are centrally controlled by the CU, while the remaining part or all of the protocol layer functions are distributed in the DU and centrally controlled by the CU. However, this is not the only possibility.

[0082] In some embodiments, a core network device may be a single device comprising one or more network elements, or it may be multiple devices or a group of devices, each comprising all or part of the aforementioned one or more network elements. Network elements may be virtual or physical. The core network may include, for example, at least one of an Evolved Packet Core (EPC), a 5G Core Network (5GCN), or a Next Generation Core (NGC).

[0083] It is understood that the communication system described in this disclosure is for the purpose of more clearly illustrating the technical solutions of this disclosure, and does not constitute a limitation on the technical solutions proposed in this disclosure. As those skilled in the art will know, with the evolution of system architecture and the emergence of new business scenarios, the technical solutions proposed in this disclosure are also applicable to similar technical problems.

[0084] The following embodiments of this disclosure can be applied to the communication system 100 shown in FIG1A, or to some of the main bodies, but are not limited thereto. The main bodies shown in FIG1A are illustrative. The communication system may include all or some of the main bodies in FIG1A, or it may include other main bodies outside of FIG1A. The number and form of each main body are arbitrary. Each main body may be physical or virtual. The connection relationship between the main bodies is illustrative. The main bodies may not be connected or may be connected. The connection can be in any way, it can be a direct connection or an indirect connection, it can be a wired connection or a wireless connection.

[0085] The embodiments disclosed herein 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 (LTE), 6th generation mobile communication system (6G), Future Radio Access (FRA), New-Radio Access Technology (RAT), New Radio (LTE), New radio access (NX), Future generation radio access (FX), Global System for Mobile communications (GSM), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), and IEEE 802.20, Ultra-Wideband (UWB), Bluetooth (a 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, systems utilizing other communication methods, and next-generation systems built upon them, etc. Furthermore, multiple systems can be combined (e.g., a combination of LTE or LTE-A with 5G).

[0086] In the initial stages of 5G system deployment, it will gradually replace the existing 4G system deployment. Deploying 5G systems on the existing 4G spectrum will result in scenarios where 5G and 4G systems coexist on the same spectrum. Dynamic spectrum sharing is a technology that can ensure the gradual migration of 4G deployment to 5G deployment using existing spectrum, while effectively and dynamically sharing frequency resources when 4G and 5G systems are deployed on the same spectrum.

[0087] In 4G systems, to ensure user access to the cell and obtain time and frequency synchronization, a synchronization sequence and a Physical Broadcast Channel (PBCH) are designed. The PBCH provides some basic system information for terminal access to the cell.

[0088] In the LTE system, the PBCH design of the LTE system is fixed at 72 subcarriers in the middle of the channel bandwidth, and transmits at fixed intervals of 10ms (the first 4 symbols of the second slot of subframe 0).

[0089] Figure 1B is a schematic diagram of an LTE PBCH according to an embodiment of the present disclosure.

[0090] As shown in Figure 1B, in the LTE system, the positions of the Primary Synchronization Signal (P-SS), Secondary Synchronization Signal (S-SS), and PBCH are fixed. The PSS and SSS each have a 5ms period and appear twice within a radio frame (10ms). The PBCH repeats four times within a 40ms period, occupying the middle position of the carrier bandwidth in the frequency domain, specifically six central resource blocks (RBs), or 1.08MHz.

[0091] In order to address the interference issues caused by LTE's PBCH and Cell-specific Reference Signal (CRS) to NR system transmission when 4G and 5G systems coexist, 5G systems define symbol-level rate-matching for PBCH and resource element (RE)-level rate-matching for CRS for data channel transmission.

[0092] For 6G systems, deployment on existing 4G spectrum presents scenarios where 4G and 6G systems coexist and share spectrum. The LTE system's PBCH can interfere with 6G data transmission. Eliminating this interference from LTE PBCH transmission is a technical problem that needs to be solved when 4G and 6G systems coexist.

[0093] Figure 1C is a schematic diagram illustrating spectrum coexistence in Multi-Radio Access Technology Spectrum Sharing (MRSS) according to an embodiment of the present disclosure.

[0094] As shown in Figure 1C, the horizontal axis represents the frequency range. When the frequency is less than 3GHz, 6G, LTE and LTE systems coexist; when the frequency is between 3GHz and 6GHz, 6G and LTE systems coexist; and when the frequency range is between 24.25GHz and 52.6GHz (FR2-1), 6G and LTE systems coexist.

[0095] In some embodiments, data transmission in the NR system needs to coexist with the PBCH of the LTE system. Interference between LTE PBCH and NR system transmissions is primarily mitigated by employing a symbol-level rate-matching scheme. The parameters defined in the RateMatchPattern and their meanings are shown in Table 1.

[0096] Table 1

[0097] The above scheme has the following drawbacks: rate matching for the PBCH of the LTE system increases the system's transmission overhead and transmission code rate, and reduces spectrum efficiency; rate matching for the PBCH of the LTE system at the resource block level (RB level) increases the system's transmission overhead.

[0098] In some embodiments, data transmission in a 6G system needs to coexist with the PBCH of an LTE system, and the PBCH of an LTE system can interfere with data transmission in a 6G system.

[0099] In view of this, embodiments of the present disclosure propose a communication method in which a terminal sends first information to a network device, the first information being used to indicate the terminal's ability to process PBCH for LTE; the terminal having the ability to process PBCH for LTE can eliminate the impact of LTE PBCH on data channel transmission, thereby improving communication efficiency.

[0100] Figure 2A is an interactive schematic diagram of a communication method according to an embodiment of the present disclosure. As shown in Figure 2A, the embodiments of the present disclosure relate to a communication method, which includes:

[0101] Step S2101: The terminal sends the first information to the network device.

[0102] In some embodiments, the network device receives first information sent by the terminal.

[0103] In some embodiments, the first information is used to indicate the terminal's ability to process PBCH for LTE. This capability may also be referred to as a first capability, and this disclosure does not limit the name of this capability.

[0104] In some embodiments, the first information is used to indicate at least one of the following:

[0105] The terminal supports the ability to perform rate-matching at the resource element (RE) level for LTE PBCH;

[0106] The terminal supports the ability to cancel interference on the PBCH for LTE;

[0107] The terminal supports the ability to perform interference cancellation on the LTE PBCH based on second information, which is information provided by the network device for interference cancellation.

[0108] The capability of RE-level rate matching for LTE PBCH refers to the terminal supporting RE-level rate matching for LTE PBCH even when it does not support interference cancellation. When the terminal supports RE-level rate matching for LTE PBCH, the network device skips the resource element corresponding to the LTE PBCH during transmission resource allocation. The network device indicates the location information (time domain location and / or frequency domain location) of the LTE PBCH to the terminal. After receiving the location information of the LTE PBCH indicated by the network device, the terminal skips the time and frequency resource element corresponding to the LTE PBCH during downlink reception.

[0109] The ability to cancel interference on the LTE PBCH refers to the terminal's ability to perform interference cancellation on the LTE PBCH without requiring the second information. This second information is auxiliary information provided by the network device; it can also be called network auxiliary information.

[0110] The ability to perform interference cancellation on the LTE PBCH based on the second information refers to the terminal's need for the second information to perform interference cancellation on the LTE PBCH. The second information can be all or part of the auxiliary information provided by the network device.

[0111] In some embodiments, the first information is used to indicate that the terminal supports the ability to perform RE-level rate matching for the PBCH of LTE. In this case, steps S2102 and S2103 are performed below.

[0112] In other embodiments, the first information is used to indicate the terminal's ability to perform interference cancellation for the PBCH of LTE, in which case the communication method shown in Figure 2B can be referred to.

[0113] In some other embodiments, the first information is used to indicate that the terminal supports the ability to perform interference cancellation on the PBCH of LTE based on the second information, in which case the communication method shown in FIG2C can be referred to.

[0114] In step S2102, the network device sends third information to the terminal.

[0115] In some embodiments, the terminal receives third information sent by the network device.

[0116] In some embodiments, the first information sent by the terminal to the network device indicates that the terminal supports RE-level rate matching for the LTE PBCH. In this case, the first information implicitly indicates that the terminal does not support interference cancellation for the LTE PBCH, and that the terminal supports RE-level rate matching for the LTE PBCH. After receiving the first information, the network device sends third information to the terminal. The third information indicates the location information of the LTE PBCH, facilitating the terminal to determine the location of the LTE PBCH. The location information of the LTE PBCH includes both time-domain and frequency-domain locations.

[0117] In some embodiments, the third information includes at least one of the time-domain location of the LTE PBCH and the frequency-domain location of the LTE PBCH.

[0118] In some embodiments, the temporal location of the PBCH in LTE may include a subframe offset.

[0119] In some embodiments, the frequency domain location of the LTE PBCH can be, for example, the center frequency (also referred to as the center point), or, for example, a relative offset from the center frequency. This center frequency can be the center frequency of a 6G system.

[0120] In some embodiments, the frequency domain location of the LTE PBCH can be indicated, for example, by the carrier frequency or frequency offset.

[0121] In step S2103, the terminal performs rate matching at the resource unit level based on the third information.

[0122] In some embodiments, the terminal performs rate matching at the RE level based on third information indicated by the network device.

[0123] In some embodiments, the first information sent by the terminal to the network device indicates the capability for rate matching at the RE level for the LTE PBCH. In this case, the network device skips the RE corresponding to the LTE PBCH when allocating transmission resources; that is, the RE corresponding to the LTE PBCH is not used for transmitting data channels, for example, the RE corresponding to the LTE PBCH is not used for transmitting 6G data channels. The network device sends a third piece of information to the terminal, which includes location information corresponding to the LTE PBCH. Based on the location information corresponding to the LTE PBCH indicated by the network device, the terminal skips the RE corresponding to the LTE PBCH during downlink reception, thereby avoiding the impact of the LTE PBCH on 6G data channel transmission.

[0124] The communication method involved in the embodiments of this disclosure may include at least one of steps S2101 to S2103. For example, step S2101 may be implemented as a standalone embodiment, step S2101+S2102 may be implemented as a standalone embodiment, and step S2101+S2102+S2103 may be implemented as a standalone embodiment, but is not limited thereto.

[0125] In some embodiments, step S2102 is optional, and one or more of these steps may be omitted or substituted in different embodiments.

[0126] In some embodiments, step S2103 is optional, and one or more of these steps may be omitted or substituted in different embodiments.

[0127] In some embodiments, other alternative implementations may be described before or after the specification corresponding to FIG2A.

[0128] Figure 2B is an interactive schematic diagram of a communication method according to an embodiment of the present disclosure. As shown in Figure 2B, the embodiments of the present disclosure relate to a communication method, which includes:

[0129] Step S2201: The terminal sends the first information to the network device.

[0130] In some embodiments, the network device receives first information sent by the terminal.

[0131] In some embodiments, the first information is used to indicate the terminal's ability to process PBCH for LTE.

[0132] In some embodiments, the first information is used to indicate at least one of the following: the terminal supports the capability of RE-level rate matching for the PBCH of LTE; the terminal supports the capability of interference cancellation for the PBCH of LTE; the terminal supports the capability of interference cancellation for the PBCH of LTE based on second information, wherein the second information is information provided by the network device for interference cancellation.

[0133] In some embodiments, the first information is used to indicate that the terminal supports the ability to perform interference cancellation for LTE PBCH, in which case step S2202 is performed.

[0134] The terminal's ability to perform interference cancellation on the LTE PBCH means that the terminal can perform interference cancellation on the LTE PBCH without requiring the second information. The second information is auxiliary information provided by the network device; it can also be called network auxiliary information.

[0135] In step S2202, the terminal performs interference cancellation on the LTE PBCH.

[0136] In some embodiments, the terminal does not require auxiliary information from the network device, and the terminal can perform interference cancellation for the LTE PBCH on its own.

[0137] In some embodiments, the terminal may perform blind detection on the LTE PBCH and perform interference cancellation on the LTE PBCH.

[0138] In some embodiments, the network device can send a 6G data channel to the terminal. During the process of receiving the 6G data channel, the terminal can enable interference cancellation for the LTE PBCH, thereby avoiding the impact of the LTE PBCH on the transmission of the 6G data channel.

[0139] The communication method involved in the embodiments of this disclosure may include at least one of steps S2201 to S2202. For example, step S2201 may be implemented as a standalone embodiment, and steps S2201+S2202 may be implemented as standalone embodiments, but are not limited thereto.

[0140] In some embodiments, step S2202 is optional, and one or more of these steps may be omitted or substituted in different embodiments.

[0141] In some embodiments, other optional implementations may be described before or after the specification corresponding to FIG2B.

[0142] Figure 2C is an interactive schematic diagram of a communication method according to an embodiment of the present disclosure. As shown in Figure 2C, the embodiments of the present disclosure relate to a communication method, which includes:

[0143] Step S2301: The terminal sends the first information to the network device.

[0144] In some embodiments, the network device receives first information sent by the terminal.

[0145] In some embodiments, the first information is used to indicate the terminal's ability to process PBCH for LTE.

[0146] In some embodiments, the first information is used to indicate at least one of the following: the terminal supports the capability of RE-level rate matching for the PBCH of LTE; the terminal supports the capability of interference cancellation for the PBCH of LTE; the terminal supports the capability of interference cancellation for the PBCH of LTE based on second information, wherein the second information is information provided by the network device for interference cancellation.

[0147] In some embodiments, the first information is used to indicate that the terminal supports the ability to perform interference cancellation on the PBCH of LTE based on the second information. In this case, the following steps S2302 and S2303 are performed.

[0148] The terminal's ability to perform interference cancellation on the LTE PBCH based on the second information means that the terminal requires the second information to perform interference cancellation on the LTE PBCH. The second information can be all or part of the auxiliary information provided by the network device.

[0149] In some embodiments, the second information includes at least one of the following:

[0150] Indication information used to indicate whether LTE and 6G systems can coexist;

[0151] The time-domain location of the PBCH in LTE;

[0152] The frequency domain location of the PBCH in LTE;

[0153] The cell identifier (ID) corresponding to LTE.

[0154] In some embodiments, the indication information is used to indicate whether LTE and 6G systems coexist. This can be understood as indicating whether there is a situation where LTE and 6G coexist.

[0155] In some embodiments, the temporal location of the PBCH in LTE may be, for example, a subframe offset.

[0156] In some embodiments, the frequency domain position of the LTE PBCH may be, for example, the center frequency (also referred to as the center point), or, for example, a relative offset relative to the center frequency.

[0157] In step S2302, the network device sends the second information to the terminal.

[0158] In some embodiments, the terminal receives second information sent by the network device.

[0159] In some embodiments, the first information sent by the terminal to the network device is used to instruct the terminal to support the ability to perform interference cancellation on the PBCH of LTE based on the second information. In this case, after receiving the first information, the network device sends the second information to the terminal, which is used to assist the terminal in performing interference message cancellation.

[0160] In some embodiments, the second information may include at least one of the following: indication information, the time domain location of the LTE PBCH, the frequency domain location of the LTE PBCH, and the cell identifier corresponding to the LTE.

[0161] In some embodiments, the first information sent by the terminal to the network device is used to indicate the terminal's ability to perform interference cancellation on the LTE PBCH based on the second information. For example, the first information is that the terminal supports interference cancellation on the LTE PBCH based on the indication information, that is, the terminal supports interference cancellation on the LTE PBCH, but the network device needs to provide indication information on whether LTE and 6G systems coexist. In this case, the second information sent by the network device to the terminal may only include the indication information.

[0162] In some embodiments, the first information sent by the terminal to the network device is used to indicate that the terminal supports the ability to perform interference cancellation on the LTE PBCH based on the second information. For example, the terminal supports interference cancellation on the LTE PBCH, but requires the network device to provide specific location information (time domain location and / or frequency domain location) and the LTE cell identifier of the LTE PBCH. In this case, the second information sent by the network device to the terminal includes the location information of the LTE PBCH and the LTE cell identifier.

[0163] In step S2303, the terminal performs interference cancellation on the LTE PBCH based on the second information.

[0164] In some embodiments, the terminal supports interference cancellation requiring second information. The network device sends the second information to the terminal, and the terminal performs interference cancellation on the LTE PBCH based on the second information.

[0165] In some embodiments, the terminal supports interference cancellation that requires auxiliary information provided by the network device. The network device sends auxiliary information to the terminal, and the terminal performs interference cancellation on the LTE PBCH based on the auxiliary information.

[0166] In some embodiments, the first information sent by the terminal to the network device is used to instruct the terminal to support the ability to perform interference cancellation on the LTE PBCH based on the second information. In this case, the network device sends the second information to the terminal. Subsequently, during the reception of 6G data channels, the terminal can perform interference cancellation on the LTE PBCH based on the second information, thereby avoiding the impact of the LTE PBCH on the transmission of 6G data channels.

[0167] The communication method involved in the embodiments of this disclosure may include at least one of steps S2301 to S2303. For example, step S2301 may be implemented as a standalone embodiment, step S2301+S2302 may be implemented as a standalone embodiment, and step S2301+S2302+S2303 may be implemented as a standalone embodiment, but is not limited thereto.

[0168] In some embodiments, step S2302 is optional, and one or more of these steps may be omitted or substituted in different embodiments.

[0169] In some embodiments, step S2303 is optional, and one or more of these steps may be omitted or substituted in different embodiments.

[0170] In some embodiments, other alternative implementations may be described before or after the specification corresponding to FIG2C.

[0171] In some embodiments, the names of information, etc., are not limited to the names described in the embodiments. Terms such as "information", "message", "signal", "signaling", "report", "configuration", "indication", "instruction", "command", "channel", "parameter", "domain", "field", "symbol", "symbol", "codebook", "codeword", "codepoint", "bit", "data", "program", and "chip" can be used interchangeably.

[0172] In some embodiments, the terms “downlink control information (DCI),” “downlink (DL) assignment,” “DL DCI,” “uplink (UL) grant,” and “UL DCI” can be used interchangeably.

[0173] In some embodiments, terms such as "physical downlink shared channel (PDSCH)" and "DL data" can be used interchangeably, as can terms such as "physical uplink shared channel (PUSCH)" and "UL data".

[0174] In some embodiments, terms such as “moment,” “point in time,” “time,” and “time location” can be used interchangeably, as can terms such as “duration,” “segment,” “time window,” “window,” and “time.”

[0175] In some embodiments, the terms "precoding", "precoder", "weight", "precoding weight", "quasi-co-location (QCL)", "transmission configuration indication (TCI) status", "spatial relation", "spatial domain filter", "transmission power", "phase rotation", "antenna port", "antenna port group", "layer", "the number of layers", "rank", "resource", "resource set", "resource group", "beam", "beam width", "beam angular degree", "antenna", "antenna element", and "panel" can be used interchangeably.

[0176] In some embodiments, “get,” “obtain,” “receive,” “transmit,” “bidirectional transmission,” and “send and / or receive” can be used interchangeably and can be interpreted as receiving from other entities, obtaining from protocols, obtaining from higher layers, obtaining through self-processing, or autonomous implementation, among other meanings.

[0177] In some embodiments, terms such as “send,” “transmit,” “report,” “distribute,” “transfer,” “bidirectional transmission,” “send and / or receive” can be used interchangeably.

[0178] In some embodiments, terms such as "certain," "preset," "default," "set," "indicated," "a certain," "any," and "first" can be used interchangeably. "Certain A," "preset A," "default A," "set A," "indicated A," "a certain A," "any A," and "first A" can be interpreted as A pre-defined in a protocol or the like, or as A obtained through setting, configuration, or instruction, or as specific A, a certain A, any A, or first A, but are not limited thereto.

[0179] In some embodiments, the determination or judgment can be made by a value represented by 1 bit (0 or 1), or by a true or false value (Boolean value (bool)) represented by true or false, or by a numerical comparison (e.g., a comparison with a predetermined value), but is not limited thereto.

[0180] In some embodiments, "not expecting to receive" can be interpreted as not receiving on time domain resources and / or frequency domain resources, or as not performing subsequent processing on the data after receiving it; "not expecting to send" can be interpreted as not sending, or as sending but not expecting the receiver to respond to the sent content.

[0181] Figure 3A is a flowchart illustrating a communication method according to an embodiment of the present disclosure. As shown in Figure 3A, the present disclosure relates to a communication method executed by a terminal, the method including:

[0182] Step S3101: Send the first message.

[0183] The optional implementation of step S3101 can be found in the optional implementation of step S2101 in Figure 2A and other related parts in the embodiments involved in Figure 2A, which will not be repeated here.

[0184] In some embodiments, the terminal sends first information to a network device, but is not limited thereto; it may also send first information to other entities.

[0185] Step S3102: Obtain third information.

[0186] The optional implementation of step S3102 can be found in the optional implementation of step S2102 in Figure 2A and other related parts in the embodiments involved in Figure 2A, which will not be repeated here.

[0187] In some embodiments, the terminal receives third information sent by a network device, but is not limited thereto; it may also receive third information sent by other entities.

[0188] Step S3103: Perform rate matching at the resource unit level based on the third information.

[0189] The optional implementation of step S3103 can be found in the optional implementation of step S2103 in Figure 2A and other related parts in the embodiments involved in Figure 2A, which will not be repeated here.

[0190] The communication method involved in the embodiments of this disclosure may include at least one of steps S3101 to S3103. For example, step S3101 may be implemented as a standalone embodiment, step S3101+S3102 may be implemented as a standalone embodiment, and step S3101+S3102+S3103 may be implemented as a standalone embodiment, but is not limited thereto.

[0191] In some embodiments, step S3102 is optional, and one or more of these steps may be omitted or substituted in different embodiments.

[0192] In some embodiments, step S3103 is optional, and one or more of these steps may be omitted or substituted in different embodiments.

[0193] In some embodiments, other alternative implementations may be described before or after the specification corresponding to FIG3A.

[0194] Figure 3B is a flowchart illustrating a communication method according to an embodiment of the present disclosure. As shown in Figure 3B, the embodiments of the present disclosure relate to a communication method executed by a terminal, the method including:

[0195] Step S3201: Send the first message.

[0196] The optional implementation of step S3201 can be found in the optional implementation of step S2201 in Figure 2B, step S2301 in Figure 2C, and other related parts in the embodiments involved in Figures 2B and 2C, which will not be repeated here.

[0197] In some embodiments, the terminal sends first information to a network device, but is not limited thereto; it may also send first information to other entities.

[0198] Step S3202: Obtain the second information.

[0199] The optional implementation of step S3202 can be found in the optional implementation of step S2302 in Figure 2C, and other related parts in the embodiments involved in Figure 2C, which will not be repeated here.

[0200] In some embodiments, the terminal receives second information sent by a network device, but is not limited thereto; it may also receive second information sent by other entities.

[0201] Step S3203: Perform interference cancellation on the PBCH of LTE.

[0202] The optional implementation of step S3203 can be found in the optional implementation of step S2202 in Figure 2B, step S2303 in Figure 2C, and other related parts in the embodiments involved in Figures 2B and 2C, which will not be repeated here.

[0203] The communication method involved in the embodiments of this disclosure may include at least one of steps S3201 to S3203. For example, step S3201 may be implemented as a standalone embodiment, step S3201+S3202 may be implemented as a standalone embodiment, and step S3201+S3202+S3203 may be implemented as a standalone embodiment, but is not limited thereto.

[0204] In some embodiments, step S3202 is optional, and one or more of these steps may be omitted or substituted in different embodiments.

[0205] In some embodiments, step S3203 is optional, and one or more of these steps may be omitted or substituted in different embodiments.

[0206] In some embodiments, other optional implementations may be described before or after the specification corresponding to FIG3B.

[0207] Figure 4A is a flowchart illustrating a communication method according to an embodiment of the present disclosure. As shown in Figure 4A, the embodiments of the present disclosure relate to a communication method executed by a network device, the method including:

[0208] Step S4101: Obtain the first information.

[0209] The optional implementation of step S4101 can be found in the optional implementation of step S2101 in Figure 2A and other related parts in the embodiments involved in Figure 2A, which will not be repeated here.

[0210] In some embodiments, the network device receives first information sent by the terminal, but is not limited thereto; it may also receive first information sent by other entities.

[0211] Step S4102: Send the third message.

[0212] The optional implementation of step S4102 can be found in the optional implementation of step S2102 in Figure 2A and other related parts in the embodiments involved in Figure 2A, which will not be repeated here.

[0213] In some embodiments, the network device sends third information to the terminal, but is not limited thereto; it may also send third information to other entities.

[0214] The communication method involved in the embodiments of this disclosure may include at least one of steps S4101 to S4102. For example, step S4101 may be implemented as a standalone embodiment, but is not limited thereto.

[0215] In some embodiments, step S4102 is optional, and one or more of these steps may be omitted or substituted in different embodiments.

[0216] In some embodiments, other alternative implementations described before or after the specification corresponding to FIG4A may be referred to.

[0217] Figure 4B is a flowchart illustrating a communication method according to an embodiment of the present disclosure. As shown in Figure 4B, the present disclosure relates to a communication method executed by a terminal, the method including:

[0218] Step S4201: Obtain the first information.

[0219] The optional implementation of step S4201 can be found in the optional implementation of step S2201 in Figure 2B, step S2301 in Figure 2C, and other related parts in the embodiments involved in Figures 2B and 2C, which will not be repeated here.

[0220] In some embodiments, the network device receives first information sent by the terminal, but is not limited thereto; it may also receive first information sent by other entities.

[0221] Step S4202: Send the second message.

[0222] The optional implementation of step S4202 can be found in the optional implementation of step S2302 in Figure 2C, and other related parts in the embodiments involved in Figure 2C, which will not be repeated here.

[0223] In some embodiments, the network device sends second information to the terminal, but is not limited thereto; it may also send second information to other entities.

[0224] The communication method involved in the embodiments of this disclosure may include at least one of steps S4201 to S4202. For example, step S4201 may be implemented as a standalone embodiment, but is not limited thereto.

[0225] In some embodiments, step S4202 is optional, and one or more of these steps may be omitted or substituted in different embodiments.

[0226] In some embodiments, other alternative implementations may be described before or after the specification corresponding to FIG4B.

[0227] Figure 5 is a schematic diagram illustrating a communication method according to an embodiment of the present disclosure. As shown in Figure 5, this embodiment of the present disclosure relates to a communication method, which includes:

[0228] Step S5101: The terminal sends the first information to the network device.

[0229] The optional implementation of step S5101 can be found in the optional implementation of step S2101 in Figure 2A and other related parts in the embodiments involved in Figure 2A, which will not be repeated here.

[0230] In some embodiments, the above methods may include the methods of the embodiments described above on the communication system side, terminal side, network device side, etc., which will not be repeated here.

[0231] The communication method provided in this disclosure, when a 6G system is deployed on the existing 4G system spectrum so that the 6G and 4G system spectrums coexist, eliminates the impact of the LTE PBCH on the 6G data channel transmission, the method may include:

[0232] Perform RE-level rate-matching on the LTE PBCH; or,

[0233] Interference cancellation is performed on the LTE PBCH at the receiver side.

[0234] In this embodiment of the disclosure, for scenarios where LTE and 6G systems coexist on the same spectrum resources, multiple terminal processing capabilities are defined; the network provides network auxiliary information based on the terminal processing capabilities; and the terminal processes LTE PBCH interference based on the auxiliary information provided by the network.

[0235] The terminal's capabilities include the following:

[0236] (1) The terminal does not support interference cancellation of LTE PBCH, but supports rate-matching of LTE PBCH at the RE level:

[0237] a) When allocating transmission resources, the network will skip the resource element units that correspond to the LTE PBCH in terms of time and frequency for transmission;

[0238] b) After obtaining the LTE PBCH location information indicated by the network, the terminal will skip the corresponding time and frequency resource elements of the LTE PBCH when receiving downlink signals.

[0239] (2) The terminal supports LTE PBCH interference cancellation, which includes the following different types:

[0240] a) The terminal does not require network auxiliary information and can perform LTE PBCH interference cancellation;

[0241] b) The terminal requires complete network auxiliary information for LTE PBCH interference cancellation;

[0242] c) The terminal requires some network auxiliary information for LTE PBCH interference cancellation.

[0243] In some embodiments, the network assistance information required by the receiver performing LTE PBCH interference cancellation on the terminal includes one or more of the following:

[0244] Does an LTE coexistence system exist?

[0245] The temporal location of the LTE PBCH, such as subframe offset;

[0246] The frequency domain position of the LTE PBCH, such as the center frequency or the relative offset from the center frequency of the 6G system;

[0247] The cell ID of the LTE system.

[0248] In some embodiments, for terminals with receivers that do not support LTE PBCH interference cancellation, the network may also instruct rate-matching of the RE level of the PBCH, with the following instruction information:

[0249] The temporal location of the LTE PBCH, such as subframe offset;

[0250] The frequency domain position of the LTE PBCH, such as the center frequency or the relative offset from the center frequency of the 6G system.

[0251] Figure 6A is an interactive schematic diagram of a communication method according to an embodiment of the present disclosure. As shown in Figure 6A, the embodiments of the present disclosure relate to a communication method, which includes:

[0252] Step S6101, UE reporting capability.

[0253] In some embodiments, the UE has the ability to report to the gNB.

[0254] In step S6102, the network (NW) provides auxiliary information.

[0255] In some embodiments, the gNB sends auxiliary signaling provided by the NW to the UE.

[0256] Step S6103: The UE enables the PBCH-IM receiver.

[0257] In some embodiments, the UE enables the PBCH (Interference Mitigation, IM) receiver.

[0258] The specific implementation method is as follows:

[0259] Terminal reports LTE PBCH interference handling capability.

[0260] Case 1: The terminal reports its ability to support LTE PBCH RE level rate matching. The network indicates the time, frequency and location information of the LTE PBCH. Based on the information provided by the network, the terminal performs RE level rate matching at the corresponding location during data channel transmission.

[0261] Case 2: The terminal reports support for LTE PBCH interference cancellation, but requires network indication of whether LTE system coexistence exists; the network indicates that LTE system coexistence exists, and the terminal detects the LTE PBCH and performs interference cancellation.

[0262] Case 3: The terminal reports support for LTE PBCH interference cancellation, but requires the network to indicate the specific time, frequency, and location of the LTE PBCH and the LTE cell ID; the network provides the above information to the terminal; the terminal performs LTE PBCH interference cancellation based on the corresponding auxiliary information provided by the network.

[0263] Figure 6B is a flowchart illustrating a communication method according to an embodiment of the present disclosure.

[0264] As shown in Figure 6B, this disclosure relates to a communication method, including the following steps: determining whether the terminal supports a PBCH IM receiver; if the terminal does not support interference cancellation, it is determined to belong to receiver type 1; if the terminal supports interference cancellation, it is determined to belong to receiver type 2, wherein receiver type 2 includes receiver types 2a, 2b, and 2c. When the terminal does not support interference cancellation, the network (NW) provides the terminal with a rate-matching pattern. The rate-matching pattern provided by the NW includes time-domain location and frequency-domain location, wherein the time-domain location includes: subframe offset; the frequency-domain location includes carrier frequency (GSCN) or frequency offset; the terminal can apply rate matching based on network assistant signaling (NWA). If the terminal supports interference cancellation, it determines whether NWA is needed. If the terminal supports PBCH interference cancellation without NWA, it is determined that the terminal belongs to receiver type 2a. In this case, the terminal performs blind-detect (BD) PBCH and enables PBCH-IM. If the terminal supports PBCH interference cancellation that requires all or part of NWA, it is determined that the terminal belongs to receiver type 2b or 2c. In this case, NWA provides auxiliary information to the terminal, including: whether LTE coexistence exists, the time domain position and frequency domain position of PBCH, where the time domain position includes: subframe offset; the frequency domain position includes carrier frequency or frequency offset. The terminal can perform PBCH interference cancellation based on NWA.

[0265] In the embodiments disclosed herein, some or all of the steps and their optional implementations may be arbitrarily combined with some or all of the steps in other embodiments, or may be arbitrarily combined with the optional implementations in other embodiments.

[0266] This disclosure also provides an apparatus for implementing any of the above methods. For example, an apparatus is provided that includes units or modules for implementing the steps performed by the terminal in any of the above methods. Alternatively, another apparatus is provided that includes units or modules for implementing the steps performed by a network device (e.g., an access network device, a core network functional node, a core network device, etc.) in any of the above methods.

[0267] It should be understood that the division of units or modules in the above device is only a logical functional division. In actual implementation, they can be fully or partially integrated into a single physical entity, or they can be physically separated. Furthermore, the units or modules in the device can be implemented by a processor calling software: for example, the device includes a processor connected to a memory containing instructions. The processor calls the instructions stored in the memory to implement any of the above methods or to implement the functions of the units or modules in the above device. The processor can be, for example, a general-purpose processor, such as a Central Processing Unit (CPU) or a microprocessor, and the memory can be internal or external to the device. Alternatively, the units or modules in the device can be implemented in the form of hardware circuits. The functionality of some or all of the units or modules can be achieved through the design of these hardware circuits, which can be understood as one or more processors. For example, in one implementation, the hardware circuit is an application-specific integrated circuit (ASIC). The functionality of some or all of the units or modules is achieved through the design of the logical relationships between the components within the circuit. In another implementation, the hardware circuit can be implemented using a programmable logic device (PLD). Taking a field-programmable gate array (FPGA) as an example, it can include a large number of logic gates. The connection relationships between the logic gates are configured through configuration files, thereby achieving the functionality of some or all of the units or modules. All units or modules of the above device can be implemented entirely through processor-called software, entirely through hardware circuits, or partially through processor-called software with the remaining parts implemented through hardware circuits.

[0268] In this embodiment, the processor is a circuit with signal processing capabilities. In one implementation, the processor can be a circuit with instruction read and execute capabilities, such as a Central Processing Unit (CPU), a microprocessor, a graphics processing unit (GPU) (which can be understood as a microprocessor), or a digital signal processor (DSP). In another implementation, the processor can implement certain functions through the logical relationships of hardware circuits. The logical relationships of the aforementioned hardware circuits are fixed or reconfigurable. For example, the processor is a hardware circuit implemented using an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA. In a reconfigurable hardware circuit, the process of the processor loading a configuration document and configuring the hardware circuit 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. Furthermore, 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), or a Deep Learning Processing Unit (DPU).

[0269] Figure 7A is a schematic diagram of the structure of a terminal according to an embodiment of this disclosure. As shown in Figure 7A, the terminal 7100 may include a transceiver module 7101. In some embodiments, the transceiver module 7101 is used to send first information to a network device. Optionally, the transceiver module is used to perform at least one of the transceiver steps (such as step S2101, but not limited thereto) performed by the terminal in any of the above methods, which will not be described in detail here.

[0270] In some embodiments, the terminal may further include a processing module.

[0271] In some embodiments, the first information is used to indicate at least one of the following: the terminal supports the ability to perform resource unit-level rate matching for the PBCH of LTE; the terminal supports the ability to perform interference cancellation for the PBCH of LTE; the terminal supports the ability to perform interference cancellation for the PBCH of LTE based on second information, wherein the second information is information provided by the network device for interference cancellation.

[0272] In some embodiments, the second information includes at least one of the following: indication information for indicating whether LTE and 6G systems coexist; the time domain location of the LTE PBCH; the frequency domain location of the LTE PBCH; and the cell identifier corresponding to the LTE.

[0273] In some embodiments, the first information is used to indicate that the terminal supports the ability to perform resource unit-level rate matching for the LTE PBCH; the transceiver module is further used to receive third information sent by the network device, the third information including at least one of the time domain location of the LTE PBCH and the frequency domain location of the LTE PBCH; and to perform resource unit-level rate matching based on the third information.

[0274] In some embodiments, the first information is used to indicate that the terminal supports the ability to perform interference cancellation for the PBCH of LTE; the processing module is also used to perform interference cancellation for the PBCH of LTE.

[0275] In some embodiments, the first information is used to indicate that the terminal supports the ability to perform interference cancellation on the PBCH of LTE based on the second information; the transceiver module is further used to receive the second information sent by the network device; and to perform interference cancellation on the PBCH of LTE based on the second information.

[0276] Figure 7B is a schematic diagram of the structure of a network device according to an embodiment of this disclosure. As shown in Figure 7B, the network device 7200 may include a transceiver module 7201. In some embodiments, the transceiver module 7201 is used to receive first information sent by a terminal. Optionally, the transceiver module is used to perform at least one of the transmission and reception steps performed by the network device in any of the above methods, which will not be described in detail here.

[0277] In some embodiments, the network device may further include a processing module.

[0278] In some embodiments, the first information is used to indicate at least one of the following: the terminal supports the ability to perform resource unit-level rate matching for the PBCH of LTE; the terminal supports the ability to perform interference cancellation for the PBCH of LTE; the terminal supports the ability to perform interference cancellation for the PBCH of LTE based on second information, wherein the second information is information provided by the network device for interference cancellation.

[0279] In some embodiments, the second information includes at least one of the following: indication information for indicating whether LTE and 6G systems coexist; the time domain location of the LTE PBCH; the frequency domain location of the LTE PBCH; and the cell identifier corresponding to the LTE.

[0280] In some embodiments, the first information is used to indicate that the terminal supports the ability to perform resource unit-level rate matching for the LTE PBCH; the transceiver module is further used to send third information to the terminal, the third information including at least one of the time domain location of the LTE PBCH and the frequency domain location of the LTE PBCH; and to perform resource unit-level rate matching based on the third information.

[0281] In some embodiments, the first information is used to indicate that the terminal supports the ability to perform interference cancellation for LTE PBCH.

[0282] In some embodiments, the first information is used to indicate that the terminal supports the ability to perform interference cancellation on the PBCH of LTE based on the second information; the transceiver module is further used to send the second information to the terminal, the second information being used to perform interference cancellation on the PBCH of LTE.

[0283] Figure 8A is a schematic diagram of the structure of the communication device 8100 proposed in an embodiment of this disclosure. The communication device 8100 can be a network device (e.g., access network device, core network device, etc.), a terminal (e.g., user equipment, etc.), a chip, chip system, or processor that supports the network device in implementing any of the above methods, or a chip, chip system, or processor that supports the terminal in implementing any of the above methods. The communication device 8100 can be used to implement the methods described in the above method embodiments; for details, please refer to the descriptions in the above method embodiments.

[0284] As shown in Figure 8A, the communication device 8100 includes one or more processors 8101. The processor 8101 can be a general-purpose processor or a dedicated processor, such as a baseband processor or a central processing unit (CPU). The baseband processor can be used to process communication protocols and communication data, while the CPU can be used to control communication devices (e.g., base stations, baseband chips, terminal devices, terminal device chips, DUs or CUs, etc.), execute programs, and process program data. Optionally, the communication device 8100 can be used to execute any of the above methods. Optionally, one or more processors 8101 can be used to invoke instructions to cause the communication device 8100 to execute any of the above methods.

[0285] In some embodiments, the communication device 8100 further includes one or more transceivers 8102. When the communication device 8100 includes one or more transceivers 8102, the transceiver 8102 performs at least one of the communication steps such as sending and / or receiving in the above method (e.g., step S2101, but not limited thereto), and the processor 8101 performs at least one of the other steps. In optional embodiments, the transceiver may include a receiver and / or a transmitter, which may be separate or integrated together. Optionally, the terms transceiver, transceiver unit, transceiver, transceiver circuit, interface circuit, interface, etc., can be used interchangeably; the terms transmitter, sending unit, transmitter, sending circuit, etc., can be used interchangeably; and the terms receiver, receiving unit, receiver, receiving circuit, etc., can be used interchangeably.

[0286] In some embodiments, the communication device 8100 further includes one or more memories 8103 for storing data. Optionally, all or part of the memories 8103 may be located outside the communication device 8100. In an optional embodiment, the communication device 8100 may include one or more interface circuits 8104. Optionally, the interface circuits 8104 are connected to the memories 8103 and can be used to receive data from the memories 8103 or other devices, and to send data to the memories 8103 or other devices. For example, the interface circuits 8104 can read data stored in the memories 8103 and send that data to the processor 8101.

[0287] The communication device 8100 described in the above embodiments may be a network device or a terminal, but the scope of the communication device 8100 described in this disclosure is not limited thereto, and the structure of the communication device 8100 may not be limited by FIG8A. The communication device may be a standalone device or may be part of a larger device. For example, the communication device may be: (1) a standalone integrated circuit IC, or chip, or chip system or subsystem; (2) a collection of one or more ICs, optionally, the IC collection may also include storage components for storing data and programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, terminal device, smart terminal device, cellular phone, wireless device, handheld device, mobile unit, vehicle device, network device, cloud device, artificial intelligence device, etc.; (8) others, etc.

[0288] Figure 8B is a schematic diagram of the structure of chip 8200 according to an embodiment of this disclosure. For cases where the communication device 8100 can be a chip or a chip system, please refer to the schematic diagram of chip 8200 shown in Figure 8B, but it is not limited thereto.

[0289] Chip 8200 includes one or more processors 8201. Chip 8200 is used to perform any of the methods described above.

[0290] In some embodiments, chip 8200 further includes one or more interface circuits 8202. Optionally, terms such as interface circuit, interface, and transceiver pin can be used interchangeably. In some embodiments, chip 8200 further includes one or more memories 8203 for storing data. Optionally, all or part of the memories 8203 may be located outside of chip 8200. Optionally, interface circuit 8202 is connected to memory 8203, and interface circuit 8202 can be used to receive data from memory 8203 or other devices, and interface circuit 8202 can be used to send data to memory 8203 or other devices. For example, interface circuit 8202 can read data stored in memory 8203 and send the data to processor 8201.

[0291] In some embodiments, the interface circuit 8202 performs at least one of the communication steps such as sending and / or receiving in the above method (e.g., step S2101, but not limited thereto). For example, the interface circuit 8202 performing the communication steps such as sending and / or receiving in the above method means that the interface circuit 8202 performs data interaction between the processor 8201, the chip 8200, the memory 8203, or the transceiver device. In some embodiments, the processor 8201 performs at least one of the other steps.

[0292] The modules and / or devices described in the various embodiments, such as virtual devices, physical devices, and chips, can be combined or separated arbitrarily as needed. Optionally, some or all steps can also be performed collaboratively by multiple modules and / or devices, which is not limited here.

[0293] This disclosure also proposes a storage medium storing instructions that, when executed on a communication device 8100, cause the communication device 8100 to perform 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 not limited thereto; it may also be a storage medium readable by other devices. Optionally, the storage medium may be a non-transitory storage medium, but not limited thereto; it may also be a temporary storage medium.

[0294] This disclosure also provides a program product that, when executed by the communication device 8100, causes the communication device 8100 to perform any of the above methods. Optionally, the program product is a computer program product.

[0295] This disclosure also proposes a computer program that, when run on a computer, causes the computer to perform any of the above methods.

Claims

1. A communication method, characterized in that, The method, executed by a terminal, includes: Send a first message to the network device, the first message being used to instruct the terminal to support the ability to process the Physical Broadcast Channel (PBCH) for Long Term Evolution (LTE).

2. The method according to claim 1, characterized in that, The first information is used to indicate at least one of the following: The terminal supports the ability to perform resource unit-level rate matching for LTE PBCH. The terminal supports the ability to cancel interference in the PBCH of LTE; The terminal supports the ability to perform interference cancellation on the LTE PBCH based on second information, which is information provided by the network device for interference cancellation.

3. The method according to claim 2, characterized in that, The second information includes at least one of the following: Indication information used to indicate whether LTE and 6G systems can coexist; The time-domain location of the PBCH in LTE; The frequency domain location of the PBCH in LTE; Cell identifier corresponding to LTE.

4. The method according to claim 1 or 2, characterized in that, The first information is used to indicate that the terminal supports the ability to perform resource unit-level rate matching for LTE PBCH; The method further includes: The network device receives third information, which includes at least one of the time domain location of the LTE PBCH and the frequency domain location of the LTE PBCH. Rate matching at the resource unit level is performed based on the third information.

5. The method according to claim 1 or 2, characterized in that, The first information is used to indicate that the terminal supports the ability to cancel interference on the PBCH for LTE; The method further includes: Interference cancellation is performed on the PBCH of LTE.

6. The method according to any one of claims 1 to 3, characterized in that, The first information is used to indicate that the terminal supports the ability to perform interference cancellation on the PBCH of LTE based on the second information; The method further includes: Receive the second information sent by the network device; Interference cancellation is performed on the PBCH of LTE based on the second information.

7. A communication method, characterized in that, Performed by a network device, the method includes: The receiving terminal sends first information, which indicates that the terminal supports the ability to process the Physical Broadcast Channel (PBCH) for Long Term Evolution (LTE).

8. The method according to claim 7, characterized in that, The first information is used to indicate at least one of the following: The terminal supports the ability to perform resource unit-level rate matching for LTE PBCH. The terminal supports the ability to cancel interference in the PBCH of LTE; The terminal supports the ability to perform interference cancellation on the LTE PBCH based on second information, which is information provided by the network device for interference cancellation.

9. The method according to claim 8, characterized in that, The second information includes at least one of the following: Indication information used to indicate whether LTE and 6G systems can coexist; The time-domain location of the PBCH in LTE; The frequency domain location of the PBCH in LTE; Cell identifier corresponding to LTE.

10. The method according to claim 7 or 8, characterized in that, The first information is used to indicate that the terminal supports the ability to perform resource unit-level rate matching for LTE PBCH; The method further includes: Send third information to the terminal, the third information including at least one of the time domain location of the LTE PBCH and the frequency domain location of the LTE PBCH; Rate matching at the resource unit level is performed based on the third information.

11. The method according to claim 7 or 8, characterized in that, The first information is used to indicate that the terminal supports the ability to perform interference cancellation for LTE PBCH.

12. The method according to any one of claims 7 to 9, characterized in that, The first information is used to indicate that the terminal supports the ability to perform interference cancellation on the PBCH of LTE based on the second information; The method further includes: The terminal is sent a second message, which is used to perform interference cancellation on the PBCH of LTE.

13. A terminal, characterized in that, include: processor; Memory used to store processor-executable instructions; The processor is configured to perform the method described in any one of claims 1 to 6.

14. A network device, characterized in that, include: processor; Memory used to store processor-executable instructions; The processor is configured to perform the method described in any one of claims 7 to 12.

15. A communication system, characterized in that, include: A terminal and a network device, wherein the terminal is configured to implement the communication method of any one of claims 1 to 6, and the network device is configured to implement the communication method of any one of claims 7 to 12.

16. A storage medium storing instructions, characterized in that, When the instruction is executed on the communication device, the communication device performs the communication method as described in any one of claims 1 to 6 or the communication method as described in any one of claims 7 to 12.

17. A program product, characterized in that, It includes at least one of a program and instructions, wherein when the program or instructions are executed by a communication device, they implement the communication method of any one of claims 1 to 6 or perform the communication method of any one of claims 7 to 12.

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