Signal transceiving method and device and communication system

Abstract

Embodiments of the present application provide a signal transceiving method and device and a communication system. The signal transceiving method comprises: receiving first indication information and / or second indication information for indicating that a first time domain resource and / or a second time domain resource is downlink or uplink, wherein in the first time domain resource, only a first frequency domain resource is used for transmitting an uplink signal, or only a second frequency domain resource is used for receiving a downlink signal.

Description

Signal transmission and reception method, device and communication system Technical Field

[0001] The present application relates to the field of communication technology. Background Art

[0002] In traditional time division duplexing (TDD), time domain resources are divided into downlink and uplink. At any given moment, only downlink or uplink transmissions can occur. Therefore, allocating limited or less uplink-intensive time periods results in reduced coverage and capacity, and increased latency. To address this issue, methods can be proposed that enable network devices to support the simultaneous presence / occurrence / performance of downlink and uplink transmissions. In other words, these devices can be enabled to transmit and receive signals simultaneously.

[0003] It should be noted that the above introduction to the technical background is merely intended to provide a clear and complete description of the technical solutions of this application and facilitate understanding by those skilled in the art. Simply because these solutions are described in the background technology section of this application, it should not be assumed that the above technical solutions are well known to those skilled in the art.

[0004] Summary of the Invention

[0005] As a Study Item (SI) in Rel-18, the application scenarios, simulation methods, and potential standardization impact of Subband Non-Overlapping Full Duplex (SBFD) were initially studied. In the upcoming Rel-19, SBFD will be formally standardized as a Work Item (WI). With SBFD, network equipment can operate in full-duplex mode (simultaneous reception and transmission). This improves uplink transmission capacity and coverage, and reduces uplink transmission latency. However, there is currently no specific method for indicating time domain resources that support SBFD.

[0006] To address at least one of the above problems, embodiments of the present application provide a signal sending and receiving method, device, and communication system.

[0007] According to another aspect of an embodiment of the present application, a signal transceiver device is provided, which is applied to a terminal device, including:

[0008] a receiver, configured to receive first indication information and / or second indication information for indicating that the first time domain resource and / or the second time domain resource is downlink or uplink;

[0009] In the first time domain resources, only the first frequency domain resources are used to send uplink signals, or only the second frequency domain resources are used to receive downlink signals.

[0010] According to another aspect of an embodiment of the present application, a signal transceiver device is provided, which is applied to a network device, including:

[0011] A transmitter, configured to send first indication information and / or second indication information for indicating that the first time domain resource and / or the second time domain resource is downlink or uplink;

[0012] In the first time domain resources, only the first frequency domain resources are used to receive uplink signals, or only the second frequency domain resources are used to send downlink signals.

[0013] According to another aspect of an embodiment of the present application, a communication system is provided, including: a terminal device and / or a network device,

[0014] The terminal device of the aforementioned aspect,

[0015] The network device includes the apparatus according to the aforementioned other aspect.

[0016] One of the beneficial effects of the embodiments of the present application is that it supports network devices to perform SBFD operations, thereby improving resource allocation flexibility and resource utilization.

[0017] With reference to the following description and accompanying drawings, specific embodiments of the present application are disclosed in detail, indicating the manner in which the principles of the present application can be employed. It should be understood that the embodiments of the present application are not limited in scope. Within the spirit and scope of the appended claims, the embodiments of the present application include many variations, modifications and equivalents.

[0018] Features described and / or illustrated with respect to one embodiment may be used in the same or similar manner in one or more other embodiments, combined with features in other embodiments, or substituted for features in other embodiments.

[0019] It should be emphasized that the term "include / comprising" when used herein refers to the presence of features, integers, steps or components, but does not exclude the presence or addition of one or more other features, integers, steps or components. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The elements and features described in one figure or one embodiment of the present application can be combined with the elements and features shown in one or more other figures or embodiments. In addition, in the accompanying drawings, similar reference numerals represent corresponding parts in several figures and can be used to indicate corresponding parts used in more than one embodiment.

[0021] The included drawings are used to provide a further understanding of the embodiments of the present application, which constitute a part of the specification, are used to illustrate the implementation methods of the present application, and together with the text description, explain the principles of the present application. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. In the drawings:

[0022] FIG1 is a schematic diagram of a communication system according to an embodiment of the present application;

[0023] FIG2 is a schematic diagram of a signal receiving and transmitting method according to an embodiment of the present application;

[0024] FIG3 is a schematic diagram of a signal transceiver according to an embodiment of the present application;

[0025] FIG4 is a schematic diagram of a signal receiving and transmitting method according to an embodiment of the present application;

[0026] FIG5 is a schematic diagram of a signal transceiver device according to an embodiment of the present application;

[0027] FIG6 is a schematic diagram of a network device according to an embodiment of the present application;

[0028] FIG7 is a schematic diagram of a terminal device according to an embodiment of the present application;

[0029] 8A to 10C are schematic diagrams of first time domain resources and second time domain resources according to an embodiment of the present application;

[0030] 11 to 19 are schematic diagrams of first time domain resources and second time domain resources according to embodiments of the present application;

[0031] FIG20 is a flow chart of a signal receiving and sending method according to an embodiment of the present application. DETAILED DESCRIPTION

[0032] The above and other features of the present application will become apparent through the following description with reference to the accompanying drawings. In the description and the accompanying drawings, specific embodiments of the present application are disclosed in detail, which illustrate some embodiments in which the principles of the present application can be adopted. It should be understood that the present application is not limited to the described embodiments. On the contrary, the present application includes all modifications, variations and equivalents that fall within the scope of the appended claims.

[0033] In the embodiments of the present application, the terms "first", "second", etc. are used to distinguish different elements from the name, but do not indicate the spatial arrangement or temporal order of these elements, and these elements should not be limited by these terms. The term "and / or" includes any one and all combinations of one or more of the associated listed terms. The terms "comprising", "including", "having", etc. refer to the presence of the stated features, elements, components or components, but do not exclude the presence or addition of one or more other features, elements, components or components.

[0034] In the embodiments of this application, the singular forms "a," "the," etc. include plural forms and should be broadly understood to mean "a" or "a type" rather than being limited to "one." Furthermore, the term "said" should be understood to include both singular and plural forms, unless the context clearly indicates otherwise. Furthermore, the term "according to" should be understood to mean "at least in part based on...", and the term "based on" should be understood to mean "at least in part based on...", unless the context clearly indicates otherwise.

[0035] In the embodiments of the present application, the term "communication network" or "wireless communication network" may refer to a network that complies with any of the following communication standards, such as Long Term Evolution (LTE), enhanced Long Term Evolution (LTE-A, LTE-Advanced), Wideband Code Division Multiple Access (WCDMA), High-Speed ​​Packet Access (HSPA), etc.

[0036] Furthermore, communication between devices in the communication system may be carried out according to communication protocols of any stage, for example, including but not limited to the following communication protocols: 1G (generation), 2G, 2.5G, 2.75G, 3G, 4G, 4.5G and future 5G, New Radio (NR), 6G, etc., and / or other communication protocols currently known or to be developed in the future.

[0037] In the embodiments of the present application, the term "network device" refers to, for example, a device in a communication system that connects a terminal device to the communication network and provides services to the terminal device. Network devices may include, but are not limited to, the following devices: base station (BS), access point (AP), transmission reception point (TRP), broadcast transmitter, mobile management entity (MME), gateway, server, radio network controller (RNC), base station controller (BSC), etc.

[0038] Base stations may include, but are not limited to, NodeB (NB), evolved NodeB (eNodeB or eNB), 5G base stations (gNB), IAB hosts, and the like. They may also include remote radio heads (RRHs), remote radio units (RRUs), relays, or low-power nodes (e.g., femto, pico, etc.). The term "base station" may include some or all of their functions, and each base station may provide communication coverage for a specific geographic area. The term "cell" may refer to a base station and / or its coverage area, depending on the context in which the term is used.

[0039] In the embodiments of the present application, the term "user equipment" (UE) refers to, for example, a device that accesses a communication network through a network device and receives network services, and may also be referred to as "terminal equipment" (TE). Terminal equipment may be fixed or mobile, and may also be referred to as a mobile station (MS), terminal, user, subscriber station (SS), access terminal (AT), station, mobile terminal (MT), etc.

[0040] Terminal devices may include, but are not limited to, the following devices: cellular phones, personal digital assistants (PDAs), wireless modems, wireless communication devices, handheld devices, machine-type communication devices, laptop computers, cordless phones, smartphones, smart watches, digital cameras, etc.

[0041] For another example, in scenarios such as the Internet of Things (IoT), the terminal device can also be a machine or device for monitoring or measurement, including but not limited to: machine type communication (MTC) terminal, vehicle-mounted communication terminal, device-to-device (D2D) terminal, machine-to-machine (M2M) terminal, and so on.

[0042] In addition, the term "network side" or "network device side" refers to one side of the network, which can be a base station or one or more network devices as described above. The term "user side" or "terminal side" or "terminal device side" refers to the user or terminal side, which can be a user end user (UE) or one or more terminal devices as described above. Unless otherwise specified, "device" can refer to either network equipment or terminal equipment.

[0043] In the following description, the terms "uplink control signal" and "uplink control information (UCI)" or "physical uplink control channel (PUCCH)" are interchangeable, and the terms "uplink data signal" and "uplink data information" or "physical uplink shared channel (PUSCH)" are interchangeable to avoid confusion.

[0044] The terms "downlink control signal" and "downlink control information (DCI)" or "physical downlink control channel (PDCCH)" are interchangeable, and the terms "downlink data signal" and "downlink data information" or "physical downlink shared channel (PDSCH)" are interchangeable.

[0045] In addition, the uplink signal may include an uplink data signal and / or an uplink control signal and / or PRACH and / or SRS, etc., which may also be referred to as uplink transmission (UL transmission) or uplink information or uplink channel. Sending / receiving uplink transmission on an uplink resource may be understood as sending / receiving the uplink transmission using the uplink resource. The downlink signal may include a downlink data signal and / or a downlink control signal and / or a synchronization signal (SS, such as PSS / SSS) and / or a broadcast channel (PBCH) and / or an SSB (SS / PBCH block, including PSS, SSS and PBCH and its DMRS) and / or CSI-RS, etc., which may also be referred to as downlink transmission (DL transmission) or downlink information or downlink channel. Sending / receiving downlink transmission on a downlink resource may be understood as sending / receiving the downlink transmission using the downlink resource.

[0046] In the embodiment of the present application, high-layer signaling may be, for example, radio resource control (RRC) signaling; RRC signaling includes, for example, RRC messages, such as broadcast / public RRC messages / signaling (such as master information block (MIB), system information), dedicated RRC messages / signaling; or RRC information elements (RRC information element, RRC IE); or information fields included in RRC messages or RRC information elements (or information fields included in information fields). High-layer signaling may also be, for example, medium access control layer (MAC) signaling; or called MAC control element (MAC control element, MAC CE). However, the present application is not limited to this. The names of the signaling (such as RRC messages, information elements IE, information fields, high-layer parameters, etc.) used in the embodiments of the present application are only examples and may also be other names, and the embodiments of the present application are not limited to this.

[0047] In the embodiments of the present application, a plurality refers to at least two, or two or more.

[0048] In the embodiments of the present application, predefined means specified in the protocol or determined according to the rules specified in the protocol, and no additional configuration is required. Configuration / indication refers to direct or indirect configuration / indication by the network device through high-layer signaling and / or physical layer signaling. Configuration / indication can be achieved by introducing high-layer parameters in high-layer signaling, and high-layer parameters refer to information fields (fields) and / or information elements / information units / information elements (IEs) in high-layer signaling. Physical layer signaling refers to, for example, control information (DCI) carried by the physical downlink control channel or control information carried by the sequence, but is not limited thereto.

[0049] For ease of description, the following description uses a base station as an example of an access network device. In the following description, "if...", "in the case of...", and "when..." can be used interchangeably without causing confusion. For resources in the frequency domain, "carrier" and "resource grid" can be interchanged, and subcarrier spacing configuration (Subcarrier spacing configuration) μ" and "subcarrier spacing (SCS) Δf)" can be interchanged. "Subcarrier spacing" and "numerology" can be interchanged. "Resource block", "RB" and "PRB", "physical resource block", "common resource block (CRB, Common RB)" can be interchanged. Configuration / indication / provided / given can be interchanged. "Index" and "identification (ID)" can be interchanged.

[0050] The following describes the scenarios of the embodiments of the present application through examples, but the present application is not limited thereto.

[0051] FIG1 is a schematic diagram of a communication system according to an embodiment of the present application, schematically illustrating a situation using a terminal device and a network device as an example. As shown in FIG1 , a communication system 100 may include a network device 101 and terminal devices 102 and 103. For simplicity, FIG1 illustrates only two terminal devices and one network device as an example, but the embodiments of the present application are not limited thereto.

[0052] In the embodiment of the present application, existing services or future services can be transmitted between the network device 101 and the terminal devices 102 and 103. For example, these services may include but are not limited to: enhanced mobile broadband (eMBB), massive machine type communication (mMTC), and ultra-reliable and low-latency communication (URLLC), etc.

[0053] The terminal device 102 may send data to the network device 101, for example, using an authorized or unauthorized transmission mode. The network device 101 may receive data sent by one or more terminal devices 102 and provide feedback to the terminal device 102, such as ACK / NACK information. The terminal device 102 may confirm the end of the transmission process, or may continue with new data transmission, or may retransmit the data based on the feedback information.

[0054] The network device 101 may use unicast, multicast, or broadcast to send data to the terminal device 102 and / or the terminal device 103. The terminal device 102 may receive data sent by one or more network devices (e.g., dual connections or multiple connections) via a downlink or by the terminal device 103 via a side link.

[0055] It is worth noting that FIG1 shows that both terminal devices 102 and 103 are within the coverage range of network device 101, but the present application is not limited thereto. Both terminal devices 102 and 103 may not be within the coverage range of network device 101, or one terminal device 102 may be within the coverage range of network device 101 while the other terminal device 103 is outside the coverage range of network device 101.

[0056] The following describes various implementations of the present application in conjunction with the accompanying drawings. These implementations are merely illustrative and are not intended to limit the present application.

[0057] Embodiments of the first aspect

[0058] An embodiment of the present application provides a signal receiving and sending method, which is described from the perspective of a terminal device.

[0059] FIG2 is a schematic diagram of a signal transceiver method according to an embodiment of the present application. As shown in FIG3 , the method includes:

[0060] 201. The terminal device receives first indication information and / or second indication information for indicating that the first time domain resource and / or the second time domain resource are downlink or uplink; in the first time domain resource, only the first frequency domain resource is used to send uplink signals, or only the second frequency domain resource is used to receive downlink signals.

[0061] It is worth noting that FIG2 above is merely a schematic illustration of an embodiment of the present application, and the present application is not limited thereto. For example, the execution order of the various operations may be appropriately adjusted, and other operations may be added or some operations may be reduced. Those skilled in the art may make appropriate modifications based on the above description, and are not limited to the description of FIG2 above.

[0062] In some embodiments, the first time domain resource is a time domain resource used for (supporting) full-duplex (e.g., SBFD) operation, and the second time domain resource is a time domain resource not used for (supporting) full-duplex operation (or, not used for full-duplex operation, e.g., non-SBFD), and the time positions of the first time domain resource and the second time domain resource are different.

[0063] In some embodiments, there is a first time interval between the first time domain resource and the second time domain resource, or there is a second time interval between sending an uplink signal in the first time domain resource and sending an uplink signal in the second time domain resource, and / or there is a third time interval between receiving a downlink signal in the first time domain resource and receiving a downlink signal in the second time domain resource, the first time interval and / or the second time interval is not less than the (minimum) time period for the terminal device to switch bandwidth and / or beam and / or transmit power, and the first time interval and / or the third time interval is not less than the (minimum) time period for the terminal device to switch bandwidth and / or beam. The (minimum) time period can be predefined or reported, and the embodiments of the present application are not limited to this.

[0064] In some embodiments, the first time interval and / or the second time interval and / or the third time interval are predefined and / or reported and / or indicated, for example, the terminal device carries information indicating the above time intervals in the capability information sent to the network device. The third indication information and / or the fourth indication information may also indicate the first time interval and / or the second time interval and / or the third time interval, or the first time interval and / or the second time interval and / or the third time interval may also be indicated by the fifth indication information. The embodiments of the present application are not limited to this.

[0065] In some embodiments, the first time domain resource and / or the second time domain resource and / or the time interval includes one or more time resource units.

[0066] In some embodiments, the time resource unit includes, for example, a symbol and / or a slot and / or a sub-slot and / or a mini-slot and / or a symbol group and / or a slot group and / or a subframe and / or a frame and / or ms and / or s, etc., but is not limited thereto. For example, the number of symbols included in a sub-slot and a mini-slot is less than or equal to the number of time slots included in a time slot, a symbol group includes one or more (continuous or discontinuous) symbols, and a slot group includes one or more (continuous or discontinuous) time slots, but is not limited thereto.

[0067] In some embodiments, the first time domain resources may also be referred to as SBFD resources, and the second time domain resources may also be referred to as non-SBFD resources. SBFD resources may include, for example, SBFD time resource units, such as SBFD time slots and / or symbols, and non-SBFD resources may include, for example, non-SBFD time resource units, such as non-SBFD time slots and / or symbols.

[0068] In some embodiments, a time slot may include SBFD symbols and non-SBFD symbols, or only SBFD symbols, or only non-SBFD symbols.

[0069] In some embodiments, the terminal device may also receive fifth indication information and / or sixth indication information, where the fifth indication information is cell-specific and the sixth indication information is UE-specific, and the fifth indication information and / or sixth indication information are, for example, sent via high-layer signaling or carried by high-layer signaling or included in high-layer signaling. For example, the fifth indication information is common TDD uplink and downlink configuration information, tdd-UL-DL-ConfigurationCommon or TDD-UL-DL-ConfigCommon, and the sixth indication information is dedicated TDD uplink and downlink configuration information, tdd-UL-DL-ConfigurationDedicated or TDD-UL-DL-ConfigDedicated.

[0070] In some embodiments, the fifth indication information and / or the sixth indication information is used to indicate the periodic transmission direction of the time domain resources, for example, indicating whether a time resource unit (eg, time slot and / or symbol) in a period is downlink or uplink.

[0071] For example, the fifth indication information includes at least one of the following information: subcarrier spacing, pattern 1, and pattern 2. For each pattern, at least one of the following information may be included: period size (period of the pattern), number of downlink time slots (number of consecutive downlink time slots at the starting position in the pattern), number of downlink symbols (number of consecutive downlink symbols at the starting position in the time slot), number of uplink time slots (number of consecutive uplink time slots at the ending position in the pattern), and number of uplink symbols (number of consecutive downlink symbols at the ending position in the time slot). For pattern 1, a time slot configuration period P may be provided, and for pattern 2, a time slot configuration period P2 may be provided.

[0072] For example, the sixth indication information includes at least one item of the following information: time slot index, symbol configuration, the symbol configuration includes allDownlink (indicating that the symbols in the corresponding time slot are all downlink) or allUplink (indicating that the symbols in the corresponding time slot are all uplink) or explicit (indicating that the corresponding time slot starts with nrofDownlinkSymbols downlink symbols and ends with nrofUplinkSymbols uplink symbols. If nrofDownlinkSymbols is not included, it means that there are no downlink symbols at the beginning of the time slot. If nrofUplinkSymbols is not included, it means that there are no uplink symbols at the end of the time slot, and the remaining symbols are flexible symbols).

[0073] In some embodiments, if a time slot and / or part of the symbols in a time slot are not indicated as downlink or uplink by the fifth indication information and / or the sixth indication information (including: the fifth indication information and the sixth indication information are not provided, or the fifth indication information and / or the sixth indication information are provided but the indication information does not indicate that the time slot or the part of the symbols are either downlink or uplink), the symbols in the time slot and / or the part of the symbols are, for example, called flexible symbols. In other words, the fifth indication information and / or the sixth indication information indicate that the time slot and / or the symbol are flexible.

[0074] In some embodiments, the third indication information and / or the fourth indication information indicates a time resource unit belonging to the first time domain resource and / or a time resource unit belonging to the second time domain resource, or in other words, indicates whether the time resource unit belongs to the first time domain resource or the second time domain resource.

[0075] In some embodiments, the third indication information and / or the fourth indication information is carried by high-layer signaling and / or PHY (physical layer) signaling, or is sent through high-layer signaling and / or PHY signaling, or is included in high-layer signaling and / or PHY signaling.

[0076] In some embodiments, the third indication information is cell-specific (it may also be replaced by public), and the fourth indication information is UE-specific (it may also be replaced by dedicated). Cell-specific means that the parameter settings for different UEs in the cell are the same (for example, broadcasted through system information or sent through dedicated RRC signaling but the content sent for different UEs is the same), and UE-specific means that the parameter settings for different UEs in the cell may be different (for example, sent through dedicated RRC signaling and the content sent for different UEs may be the same or different). For example, if the third indication information includes an IE of the third indication information included in an IE or message dedicated to configuring cell-specific parameters, it indicates that the third indication information is cell-specific. If the fourth indication information includes an IE of the fourth indication information included in an IE or message dedicated to configuring UE specific / dedicated parameters, it indicates that the fourth indication information is UE-specific. However, not limited to this, in some cases, even if the third indication information is included in a UE specific / dedicated IE or message, it may also be cell-specific. For example, the third indication information is included in a system message and / or a public service cell configuration, and the fourth indication information is included in a dedicated RRC message and / or a serving cell configuration. In some embodiments, the third indication information and / or the fourth indication information indicates a time resource unit belonging to the first time domain resource and / or a time resource unit belonging to the second time domain resource.

[0077] In some embodiments, the first time domain resource and / or the second time domain resource are periodic, and the third indication information and / or the fourth indication information indicates the position of the first time domain resource and / or the second time domain resource in a period, or in other words, indicates the first time domain resource in a period.

[0078] In some embodiments, the period is predefined or indicated.

[0079] In some embodiments, the third indication information and / or the fourth indication information includes information for indicating at least one of the following: period, SCS, the position of the first time domain resource in a period; the position of the second time domain resource in a period; the time interval (the aforementioned first time interval and / or second time interval and / or third time interval); information for indicating an associated TDD pattern (for example, pattern1 or pattern2).

[0080] For example, the position of the first time domain resource in the cycle includes: the first starting time slot / first time slot offset (in the cycle), and / or, the first starting symbol / first symbol offset (in the cycle or in the first starting time slot), and / or the first time slot number (in the cycle), and / or the first symbol number (in the cycle or in the first ending time slot), and / or the first ending symbol / second symbol offset (in the cycle or in the first ending time slot), and / or the first ending time slot / second time slot offset (in the cycle).

[0081] For example, the position of the second time domain resource in the one cycle includes: the second end slot / third time slot offset (in the cycle), and / or the second end symbol (in the cycle or in the second end slot), and / or the second time slot number (in the cycle), and / or the second symbol number (in the cycle or in the second end slot), and / or the second start time slot / fourth time slot offset (in the cycle), and / or the second start symbol (in the cycle or in the second start time slot), and / or the third time slot number (in the cycle), and / or the third symbol number (in the cycle or in the second start time slot).

[0082] In the above example, for the second time domain resource located before the first time domain resource, the second time domain resource uses the start of the cycle as its starting position, but the embodiments of the present application are not limited to this. For example, its starting time slot / time slot offset, and / or starting symbol / symbol offset (in the starting time slot in the cycle) can also be indicated by the third indication information and / or the fourth indication information. The embodiments of the present application are not limited to this.

[0083] In the above example, for the second time domain resource located after the second time domain resource, the second time domain resource uses the end of the cycle as its end position, or as shown in Figure 8A, uses the start of the last uplink time slot / symbol in the cycle as its starting position, but the embodiments of the present application are not limited to this. For example, the end slot / time slot offset and / or the end symbol / symbol offset (in the end slot in the cycle) can also be indicated by the third indication information and / or the fourth indication information. The embodiments of the present application are not limited to this.

[0084] In some embodiments, the period is, for example, a pattern period or a time slot configuration period or a period indicated otherwise, wherein the pattern period refers, for example, to the period of the corresponding pattern, indicated by the dl-UL-TransmissionPeriodicity in the TDD-UL-DL-Pattern, that is, the period corresponding to the above-mentioned P or P2. When only pattern 1 is configured, the time slot configuration period is the period of pattern 1. When pattern 1 and pattern 2 are configured, the time slot configuration period is the total period of pattern 1 + pattern 2, corresponding to the above-mentioned period of P + P2.

[0085] In some embodiments, first time domain resources are configured for different patterns. For example, when pattern 1 and pattern 2 are configured (i.e., the fifth indication information provides pattern 1 and pattern 2), first time domain resources are configured for pattern 1 and pattern 2, respectively, for example, the first time domain resources are configured within the resources of pattern 1 and within the resources of pattern 2, respectively.

[0086] In some embodiments, the first time domain resources and / or the second time domain resources are configured only for pattern 1 or only for pattern 2. For example, when both pattern 1 and pattern 2 are configured, the first time domain resources are configured only within the resources of pattern 1, or only within the resources of pattern 2. Alternatively, only pattern 1 is configured and the first time domain resources are configured within its resources.

[0087] In some embodiments, the third indication information and / or the fourth indication information directly / explicitly indicates the first time domain resource and / or directly / explicitly indicates the second time domain resource, and / or indirectly / implicitly indicates the first time domain resource or the second time domain resource. For example, the first time domain resource may be indicated, and the second time domain resource may be indirectly determined based on the first time domain resource, or vice versa. Alternatively, for example, when the fourth indication information is the sixth indication information, the first time domain resource or the second time domain resource may be indirectly determined based on the uplink or downlink time domain resource indicated by the sixth indication information.

[0088] In some embodiments, the fourth indication information does not indicate the first time domain resource indicated by the third indication information as a second time domain resource (for example, for the time resource unit indicated as the first time domain resource by the third indication information, the fourth indication information must indicate the time resource unit as the first time domain resource), and / or does not indicate the resources in the second time domain resource indicated by the third indication information that overlap with the time domain resources that are not indicated as downlink or uplink by the fifth indication information as first time domain resources (or does not indicate the second time domain resource indicated by the third indication information that overlaps with the resources indicated as flexible by the fifth indication information as first time domain resources), but is not limited to this.

[0089] In some embodiments, the fifth indication information and / or the sixth indication information is also used to indicate the first time domain resource and / or the second time domain resource. For example, the third indication information may be included in the fifth indication information, such as the TDD-UL-DL-ConfigCommon IE or the TDD-UL-DL-Pattern IE. For example, when included in the TDD-UL-DL-Pattern IE, it may optionally exist or conditionally exist. If it does not exist, the first time domain resource is not included in the corresponding pattern. Among them, conditionally optional existence, for example, includes: for pattern 1, optional existence, otherwise it does not exist. Or the third indication information is the fifth indication information. For example, the fourth indication information may be included in the sixth indication information, or the fourth indication information is the sixth indication information.

[0090] In some embodiments, the time domain resources indicated as downlink by the fifth indication information and as uplink by the sixth indication information belong to the first time domain resources, and / or the time domain resources not indicated as downlink or uplink by the fifth indication information (indicated as flexible time domain resources by the fifth indication information) and indicated as uplink by the sixth indication information belong to the second time domain resources.

[0091] In some embodiments, the first indication information is cell-specific, the second indication information is UE-specific, and the second indication information and / or the fourth indication information is the same as or different from the sixth indication information.

[0092] In some embodiments, the second indication information does not indicate that the time domain resource indicated as DL by the first indication information is UL, and / or does not indicate that the time domain resource indicated as UL by the first indication information is DL.

[0093] In some embodiments, the first indication information and / or the second indication information includes one or more IEs for configuring uplink and downlink, such as TDD-UL-DL-SlotConfig, which includes, for example, information for indicating a time slot index, such as slotIndex, and information for indicating the uplink and downlink of symbols in the time slot corresponding to the index, such as symbol configuration symbols, wherein the symbol configuration may include allDownlink (indicating that all symbols in the corresponding time slot are downlink) or allUplink (indicating that all symbols in the corresponding time slot are uplink) or explicit (indicating that the corresponding time slot starts with nrofDownlinkSymbols downlink symbols and ends with nrofUplinkSymbols uplink symbols. If nrofDownlinkSymbols is not included, it indicates that there are no downlink symbols at the beginning of the time slot. If nrofUplinkSymbols is not included, it indicates that there are no uplink symbols at the end of the time slot). The time slot index, for example, identifies a time slot in the time slot configuration period provided by the third indication information. For example, index 0 corresponds to the first time slot in the period, index 1 corresponds to the second time slot, and so on.

[0094] In some embodiments, the first indication information and / or the second indication information indicates that the first time domain resource and / or the second time domain resource is uplink or downlink based on the first SCS and / or the first CP.

[0095] For example, it indicates that the first time resource unit (time slot and / or symbol) corresponding to the first SCS and / or the first CP in the first time domain resource and / or the second time domain resource is uplink or downlink.

[0096] In some embodiments, the first indication information and / or the second indication information indicates that the first time domain resource and / or the second time domain resource is uplink or downlink based on the first SCS and / or the first CP, including: the first indication information and / or the second indication information indicates that the first time resource unit (time slot and / or symbol) corresponding to the first SCS and / or the first CP is uplink or downlink.

[0097] In some embodiments, the first SCS and / or the first CP are predetermined or indicated.

[0098] The first SCS includes one or more of the following:

[0099] (One or more) SCSs indicated by the third indication information; for example, the third indication information is the referenceSubcarrierSpacing in TDD-UL-DL-ConfigCommon or the above-mentioned information for indicating the SCS in the above-mentioned first indication information and / or second indication information, or other indication information.

[0100] The SCS used for TDD uplink and downlink configuration; for example, the SCS indicated by referenceSubcarrierSpacing in TDD-UL-DL-ConfigCommon.

[0101] Predefined SCS (e.g., predefined based on frequency range and / or frequency band and / or carrier, e.g., defining the same or different SCS for frequency ranges FR1 and FR2-1, respectively, e.g., for FR1, SCS=15kHz, for FR2-1, SCS=60kHz).

[0102] An SCS predefined for a frequency range and / or frequency band and / or carrier (e.g., predefined based on the frequency range and / or frequency band and / or carrier, e.g., the same or different SCSs are defined for the frequency ranges FR1 and FR2-1, e.g., for FR1, SCS = 15 kHz, for FR2-1, SCS = 60 kHz).

[0103] In some embodiments, the first SCS is referred to as a reference SCS, and / or, the first CP is referred to as a reference CP.

[0104] In some embodiments, the method may further include determining whether a second time resource unit corresponding to the second SCS and / or the second CP is uplink or downlink. For example, the second time resource unit (time slot and / or symbol) may be determined to be uplink or downlink based on the first time resource unit.

[0105] In some embodiments, the first CP and / or the second CP is a normal cyclic prefix (NCP) or an extended cyclic prefix (ECP). The second SCS is the same as or different from the first SCS (in size and / or acquisition method (e.g., one is predefined and the other is indicated) and / or corresponding indication information).

[0106] In some embodiments, the second SCS is, for example, the SCS of an (activated) DL BWP or an (activated) UL BWP, or the SCS of a DL SCS specific carrier or a UL SCS specific carrier, but is not limited thereto.

[0107] In some implementations, the second CP is, for example, the CP of an (activated) DL BWP or an (activated) UL BWP, but is not limited thereto. The second CP may be indicated by the cyclic prefix type information in the BWP configuration information. The BWP configuration information includes a BWP IE, which is used to configure general parameters of the corresponding BWP, such as a locationAndBandwidth field for configuring the frequency domain location and bandwidth of the BWP, a subcarrierSpacing field (corresponding to the second SCS) for configuring the SCS used by the BWP, and a cyclicPrefix field for configuring whether the BWP uses Extended CP (ECP). The cyclicPrefix field is optional. When it does not exist, the Normal CP (NCP) is used by default. When it exists, it indicates the use of NCP.

[0108] In some embodiments, a first time resource unit is applied to A continuous second time resource unit. Among them, μ ref represents the first SCS configuration, and μ represents the second SCS configuration. ref The first time slot is applied to A second time slot for μ, wherein the first second time slot starts at the same time as the first time slot. (When the first CP and the second CP are both NCP or both ECP), a second time slot for μ ref The first symbol is applied to consecutive symbols for μ, where the first second time slot starts at the same time as the first time slot. ref The DL symbol corresponding to consecutive DL symbols for μ, one for μ ref The UL symbol corresponds to consecutive UL symbols for μ.

[0109] In some embodiments, the first CP is defined as NCP by default / pre-defined.

[0110] In some embodiments, if a BWP is configured with 60kHz and ECP, that is, configured with μ=2 and ECP, the UE expects μ ref =0, μ ref =1, or μ ref=2. The format of a time slot using ECP is determined according to the format of a time slot using NCP. For example, for an ECP symbol, if the overlapping (all or part or one or at least one) NCP symbol is a DL symbol, then the ECP symbol is a DL symbol, and / or, if the overlapping (all or part or one or at least one) NCP symbol is a UL symbol, then the ECP symbol is a UL symbol, and / or, if the overlapping (all or part or one or at least one) NCP symbol is a symbol not configured for uplink or downlink, then the ECP symbol is a symbol not configured for uplink or downlink, and / or, if the overlapping NCP symbol includes a DL symbol and a UL symbol, then the ECP symbol is a symbol not configured for uplink or downlink.

[0111] The following describes how to determine the first time domain resource and the second time domain resource, and how to determine whether the first time domain resource and / or the second time domain resource is uplink or downlink.

[0112] In some embodiments, the first time domain resource and / or the second time domain resource (location) can be determined based on the third indication information and / or the fourth indication information and / or the fifth indication information and / or the sixth indication information, and then the first time domain resource can be determined as uplink or downlink based on the fifth indication information and / or the sixth indication information and / or the first indication information and / or the second indication information.

[0113] In some embodiments, the first time domain resource does not overlap with the time domain resource indicated as uplink by the fifth indication information and / or the sixth indication information, that is, the first time domain resource only overlaps with the time domain resource indicated as downlink by the fifth indication information and / or the sixth indication information and / or the time domain resource (for example, called flexible time domain resource) that is not indicated as downlink or uplink by the fifth indication information and / or the sixth indication information.

[0114] In this embodiment, the first time domain resource indicated by the third indication information and / or the fourth indication information does not overlap with the time domain resource indicated as uplink by the fifth indication information and / or the sixth indication information, or the third indication information and / or the fourth indication information does not indicate the time domain resource indicated as uplink by the fifth indication information and / or the sixth indication information as the first time domain resource, or the third indication information and / or the fourth indication information does not indicate the first time domain resource from the time domain resource indicated as uplink by the fifth indication information and / or the sixth indication information, or (it is determined) that the resources in the first time domain resource indicated by the third indication information and / or the fourth indication information that overlap with the time domain resource indicated as uplink by the fifth indication information and / or the sixth indication information do not belong to the (actual) first time domain resource (in this case, the fifth indication information and / or the sixth indication information can also be regarded as indicating the first time domain resource and / or the second time domain resource). Alternatively, the terminal device does not expect the first time domain resource (indicated by the third indication information and / or the fourth indication information) to overlap with the time domain resource indicated as uplink by the fifth indication information and / or the sixth indication information. Alternatively, the terminal device does not expect the fifth indication information and / or the sixth indication information to indicate the first time domain resource (indicated by the third indication information and / or the fourth indication information) as uplink. Alternatively, (determine) that the resources in the first time domain resource indicated by the third indication information and / or the fourth indication information that overlap with the time domain resource indicated as uplink by the fifth indication information and / or the sixth indication information belong to the (actual) second time domain resource (or in other words, the fifth indication information and / or the sixth indication information can convert the first time domain resource indicated by the third indication information and / or the fourth indication information into the second time domain resource).

[0115] As shown in Figure 8A, the first time domain resources indicated by the third indication information and / or the fourth indication information do not overlap with the time domain resources indicated as uplink by the fifth indication information. As shown in Figure 8B, the first time domain resources indicated by the third indication information and / or the fourth indication information overlap with the time domain resources indicated as uplink by the fifth indication information. The overlapping resources belong to the actual second time domain resources, not the actual first time domain resources.

[0116] In some embodiments, when the third indication information and / or the fourth indication information is not provided, the first time domain resources and / or the second time domain resources are predefined. The predefined first time domain resources include all or part of the time domain resources indicated as downlink by the fifth indication information and / or the sixth indication information and / or all or part of the time domain resources not indicated as downlink or uplink by the fifth indication information and / or the sixth indication information, and the rest are predefined second time domain resources.

[0117] In some embodiments, the predefined (actual) first time domain resource is a time domain resource indicated as downlink by the fifth indication information and / or the sixth indication information, or is a time domain resource indicated as downlink and flexible by the fifth indication information and / or the sixth indication information. The predefined (actual) second time domain resource is a time domain resource indicated as uplink by the fifth indication information and / or the sixth indication information. As shown in Figure 9A, the predefined (actual) first time domain resource is a time domain resource indicated as downlink by the fifth indication information, and as shown in Figure 9B, the predefined (actual) first time domain resource is a time domain resource indicated as downlink by the fifth indication information and flexible.

[0118] In some embodiments, a time slot may include a first time domain resource (SBFD symbol) and a second time domain resource (non-SBFD symbol), or only include the first time domain resource (SBFD symbol), or only include (non-SBFD symbol).

[0119] In some embodiments, at least one of the first time domain resources (SBFD time slot / symbol) and the time interval is explicitly configured, and the second time domain resources (non-SBFD time slot / symbol) can be implicitly determined as a time domain resource that is not the first time domain resource and the time interval.

[0120] In some embodiments, at least one of the second time domain resources (non-SBFD time slot / symbol) and the time interval is explicitly configured, and the first time domain resource (SBFD time slot / symbol) can be implicitly determined as a time domain resource that is not the second time domain resource and the time interval.

[0121] In some embodiments, at least one of the second time domain resource (non-SBFD time slot / symbol) and the first time domain resource (SBFD time slot / symbol) is explicitly configured, and the time interval can be implicitly determined as a time domain resource that is not the second time domain resource and the first time domain resource. In some embodiments, the terminal device does not expect the third indication information and / or the fourth indication information to exist simultaneously with the sixth indication information (that is, the UE does not expect to be provided with the third indication information and / or the fourth indication information and the sixth indication information at the same time). If the UE is provided with the third indication information and / or the fourth indication information, the sixth indication information cannot be provided (or the UE does not expect to be provided with the sixth indication information).

[0122] In some embodiments, the third indication information and / or the fourth indication information cannot be combined with the sixth indication information to determine the first time domain resource and / or the second time domain resource. For example, the terminal device does not expect the third indication information and / or the fourth indication information to exist / be provided at the same time as the sixth indication information. When the UE is provided with the sixth indication information, the first time domain resource and / or the second time domain resource is determined according to the sixth indication information. When the UE is provided with the third indication information and / or the fourth indication information, the first time domain resource and / or the second time domain resource is determined according to the third indication information and / or the fourth indication information.

[0123] In some embodiments, the third indication information and / or the fourth indication information can exist simultaneously with the sixth indication information (that is, the UE can be provided with the third indication information and / or the fourth indication information and the sixth indication information simultaneously), but there are certain restrictions on how the sixth indication information is indicated. Detailed description is given below.

[0124] In some embodiments, for the second time domain resource, the sixth indication information indicates downlink, and / or indicates uplink, and / or is not indicated as either uplink or downlink by the sixth indication information (also referred to as flexible indication F / -).

[0125] For example, for the second time domain resource indicated as downlink by the fifth indication information (the time domain resource in the second time domain resource indicated by the third indication information and / or the fourth indication information that overlaps with the time domain resource indicated as downlink by the fifth indication information), the sixth indication information can indicate it as downlink or flexible, that is, it cannot be indicated as uplink.

[0126] For example, for the second time domain resource indicated as uplink by the fifth indication information (the time domain resource in the second time domain resource indicated by the third indication information and / or the fourth indication information that overlaps with the time domain resource indicated as uplink by the fifth indication information), the sixth indication information can indicate it as uplink or flexible, that is, it cannot be indicated as downlink.

[0127] For example, for the second time domain resource indicated as flexible by the fifth indication information (the time domain resource in the second time domain resource indicated by the third indication information and / or the fourth indication information that overlaps with the time domain resource indicated as flexible by the fifth indication information), the sixth indication information can indicate it as uplink or flexible or downlink.

[0128] In some embodiments, for the first time domain resource, the sixth indication information indicates downlink, and / or indicates uplink, and / or is not indicated as either uplink or downlink by the sixth indication information (also referred to as flexible indication F / -).

[0129] For example, for the first time domain resource indicated as downlink (DL) by the fifth indication information (the time domain resource in the first time domain resource indicated by the third indication information and / or the fourth indication information that overlaps with the time domain resource indicated as downlink by the fifth indication information, also called the third time domain resource), the sixth indication information can be indicated as downlink and / or uplink (UL) and / or flexible (F / -).

[0130] Example 1-1: the sixth indication information may indicate it as DL or UL or F / -.

[0131] Example 1-2: the sixth indication information may indicate it as DL or F / -, that is, it cannot be indicated as UL.

[0132] For example 1-3, the sixth indication information must indicate DL, that is, it cannot indicate UL or F / -.

[0133] In example 1-4, the sixth indication information must indicate it as F / -, that is, it cannot be indicated as UL or DL.

[0134] For example 1-5, the sixth indication information must indicate it as UL, that is, it cannot indicate it as F / - or DL.

[0135] Example 1-6: The sixth indication information may indicate it as UL or F / -, that is, it cannot be indicated as DL.

[0136] Example 1-7: The sixth indication information must indicate it as UL or DL, that is, it cannot indicate it as F / -.

[0137] For example, for the first time domain resource indicated as flexible by the fifth indication information (the time domain resource in the first time domain resource indicated by the third indication information and / or the fourth indication information that overlaps with the time domain resource indicated as flexible by the fifth indication information, also called the fourth time domain resource), the sixth indication information can be indicated as uplink or flexible or downlink.

[0138] Example 1-1: the sixth indication information may indicate it as DL or UL or F / -.

[0139] Example 1-2: the sixth indication information may indicate it as DL or F / -, that is, it cannot be indicated as UL.

[0140] For example 1-3, the sixth indication information must indicate DL, that is, it cannot indicate UL or F / -.

[0141] In example 1-4, the sixth indication information must indicate it as F / -, that is, it cannot be indicated as UL or DL.

[0142] For example 1-5, the sixth indication information must indicate it as UL, that is, it cannot indicate it as F / - or DL.

[0143] Example 1-6: The sixth indication information may indicate it as UL or F / -, that is, it cannot be indicated as DL.

[0144] Example 1-7: The sixth indication information must indicate it as UL or DL, that is, it cannot indicate it as F / -.

[0145] The following is an illustration, but the embodiments of the present application are not limited thereto.

[0146] As shown in Figure 10A, for the indicated second time domain resource, the fifth indication information indicates a DL time domain resource, and the sixth indication information may indicate it as DL or F. The fifth indication information indicates a UL time domain resource, and the sixth indication information may indicate it as UL. The fifth indication information indicates a F time domain resource, and the sixth indication information indicates it as UL. For the indicated first time domain resource, the fifth indication information indicates a DL time domain resource, and the sixth indication information may indicate it as DL, F, or UL. The fifth indication information indicates a F time domain resource, and the sixth indication information (must) still indicate it as F.

[0147] As shown in Figure 10B, the difference from Figure 10A is that, for the indicated first time domain resource, the fifth indication information indicates the time domain resource as F, and the sixth indication information can indicate it as UL, but the time domain resource indicated as UL by the sixth indication information no longer belongs to the actual first time domain resource, but belongs to the actual second time domain resource.

[0148] As shown in FIG. 10C , the difference from FIG. 10A is that, for the first time domain resource, the fifth indication information indicates the time domain resource as F, and the sixth indication information must indicate it as DL.

[0149] As mentioned above, the sixth indication information can affect the configuration of the first / second time domain resources, or in other words, for the indicated first time domain resources, how the sixth indication information indicates is limited, such as to meet the above rules. That is to say, the sixth indication information cannot indicate the transmission direction of at least part of the first time domain resources, that is, it cannot indicate whether at least part of the first time domain resources are uplink or downlink, and other indication information (first indication information and / or second indication information) needs to be used. However, the embodiment of the present application is not limited to this. Even if the sixth indication information does not affect the configuration of the first time domain resources and the second time domain resources, the first indication information and / or the second indication information can also be used to indicate whether the first time domain resources and / or the second time domain resources are uplink or downlink. The following is a detailed description.

[0150] To facilitate explanation of how the first indication information and / or the second indication information indicates whether the first time domain resource and / or the second time domain resource is uplink or downlink, the first time domain resource and the second time domain resource are first classified.

[0151] In some embodiments, the first time domain resources include third time domain resources (SBFD+D) and / or fourth time domain resources (SBFD+F), and / or the second time domain resources include fifth time domain resources (non-SBFD+F), and / or sixth time domain resources (non-SBFD+D), and / or seventh time domain resources (non-SBFD+U); the third time domain resources include resources in the first time domain resources that overlap with time domain resources indicated as DL by the fifth indication information and / or the sixth indication information, and the fourth time domain resources include resources in the first time domain resources that overlap with time domain resources not indicated as DL by the fifth indication information and / or the sixth indication information. The fifth time domain resources include resources in the second time domain resources that overlap with time domain resources indicated as DL or UL (indicated as F) by the fifth indication information and / or the sixth indication information, the sixth time domain resources include resources in the second time domain resources that overlap with time domain resources indicated as DL by the fifth indication information and / or the sixth indication information, and the seventh time domain resources include resources in the second time domain resources that overlap with time domain resources indicated as UL by the fifth indication information and / or the sixth indication information.

[0152] As an implementation method, the first indication information and / or the second indication information is used to indicate that the third time domain resource and / or the fourth time domain resource and / or the fifth time domain resource are downlink or uplink. The fifth indication information and / or the sixth indication information is used to indicate that the sixth time domain resource and / or the seventh time domain resource are downlink or uplink. For example, the first indication information and / or the second indication information and the sixth indication information do not exist or are valid at the same time. That is, when the sixth indication information is not considered (situations such as non-existence / not received / not provided), only the first indication information and / or the second indication information are used to indicate the transmission direction of the third time domain resource and / or the fourth time domain resource and / or the fifth time domain resource, but the embodiment of the present application is not limited to this. The first indication information and / or the second indication information does not indicate the time domain resource indicated as UL by the fifth indication information and / or the sixth indication information as DL, that is, the time domain resource indicated as UL by the fifth indication information and / or the sixth indication information can be indicated as UL or not indicated as uplink or downlink (i.e., flexible F).

[0153] As shown in Figure 11, for the sixth time domain resource, it is indicated as downlink by the fifth indication information, but cannot be indicated as UL (which can be DL or F) by the first indication information and / or the second indication information. For the seventh time domain resource, it is indicated as uplink by the fifth indication information, but cannot be indicated as DL (which can be UL or F) by the first indication information and / or the second indication information. Therefore, the sixth time domain resource and the seventh time domain resource are ultimately indicated as uplink or downlink by the fifth indication information.

[0154] For the fifth time domain resource, it can be indicated as uplink or downlink by the first indication information and / or the second indication information, or it may not be indicated as uplink or downlink (flexible) by the first indication information and / or the second indication information. For the third time domain resource and the fourth time domain resource, it can be indicated as uplink or downlink by the first indication information and / or the second indication information, or it may not be indicated as uplink or downlink (flexible) by the first indication information and / or the second indication information. Therefore, the third time domain resource, the fourth time domain resource and the fifth time domain resource are ultimately indicated as uplink or downlink or flexible by the first indication information and / or the second indication information.

[0155] As an implementation method, different indication information is used to indicate that the third time domain resource and / or the fourth time domain resource and / or the fifth time domain resource are downlink or uplink, respectively. The fifth indication information and / or the sixth indication information are used to indicate that the sixth time domain resource and / or the seventh time domain resource are downlink or uplink. The first indication information and / or the second indication information do not indicate the time domain resource indicated as DL by the sixth indication information as UL, that is, the time domain resource indicated as DL by the fifth indication information and / or the sixth indication information can be indicated as DL or F, and / or the time domain resource indicated as UL by the fifth indication information and / or the sixth indication information is not indicated as DL, that is, the time domain resource indicated as UL by the fifth indication information and / or the sixth indication information can be indicated as UL or F. However, the second indication information does not indicate the time domain resource indicated as DL by the first indication information as UL, and / or the time domain resource indicated as UL by the first indication information is not indicated as DL.

[0156] Method 1: the first indication information is used to indicate that the third time domain resource and / or the fourth time domain resource is downlink or uplink, the second indication information is used to indicate that the fifth time domain resource is downlink or uplink, and the fifth indication information and / or the sixth indication information is used to indicate that the sixth time domain resource and / or the seventh time domain resource is downlink or uplink.

[0157] As shown in Figure 12, the difference from Figure 11 is that, for the fifth time domain resource, it can be indicated as uplink or downlink by the second indication information or not indicated as uplink or downlink (flexible) by the first indication information and / or the second indication information; for the third time domain resource and the fourth time domain resource, they can be indicated as uplink or downlink by the first indication information or not indicated as uplink or downlink (flexible) by the first indication information and / or the second indication information. Therefore, the third time domain resource and the fourth time domain resource are ultimately indicated as uplink or downlink or flexible by the first indication information, and the fifth time domain resource is ultimately indicated as uplink or downlink or flexible by the second indication information.

[0158] As shown in Figure 13, corresponding to Figure 10A, the second indication information is the same as the sixth indication information. The difference from Figure 11 is that the second time domain resource indicated as F by the fifth indication information and as UL by the sixth indication information is finally indicated as uplink by the sixth (second) indication information.

[0159] As shown in Figure 14, corresponding to Figure 10B, the second indication information is the same as the sixth indication information. The difference from Figure 11 is that the first time domain resource indicated as F by the fifth indication information and indicated as UL by the sixth indication information actually belongs to the second time domain resource (first determined as the second time domain resource), and is finally indicated as uplink by the sixth (second) indication information.

[0160] As shown in Figure 15, corresponding to Figure 10C, the second indication information is the same as the sixth indication information. The difference from Figure 11 is that the second time domain resource indicated as F by the fifth indication information and as DL or UL or F by the sixth indication information is finally indicated as uplink by the sixth (second) indication information.

[0161] Method 2: the first indication information is used to indicate that the fourth time domain resource is downlink or uplink, the second indication information is used to indicate that the third time domain resource and the fifth time domain resource are downlink or uplink, and the fifth indication information and / or the sixth indication information is used to indicate that the sixth time domain resource and / or the seventh time domain resource are downlink or uplink.

[0162] As shown in Figure 16, the difference from Figure 11 is that, for the third time domain resources and the fifth time domain resources, they can be indicated as uplink or downlink by the second indication information or not indicated as uplink or downlink (flexible) by the first indication information and / or the second indication information; for the fourth time domain resources, they can be indicated as uplink or downlink by the first indication information or not indicated as uplink or downlink (flexible) by the first indication information and / or the second indication information. Therefore, the third time domain resources and the fifth time domain resources are ultimately indicated as uplink or downlink or flexible by the second indication information, and the fourth time domain resources are ultimately indicated as uplink or downlink or flexible by the first indication information.

[0163] As shown in FIG17 , corresponding to FIG10A , the second indication information is the same as the sixth indication information, except that the second time domain resource indicated as F by the fifth indication information and as UL by the sixth indication information is ultimately indicated as uplink by the sixth (second) indication information. The first time domain resource indicated as DL by the fifth indication information and as DL, UL, or F by the sixth indication information is ultimately indicated as uplink by the sixth (second) indication information.

[0164] As shown in Figure 18 , corresponding to Figure 10B , the second indication information is the same as the sixth indication information, except that the first time domain resource indicated as F by the fifth indication information and as UL by the sixth indication information actually belongs to the second time domain resource (first determined as the second time domain resource) and is ultimately indicated as uplink by the sixth (second) indication information. The first time domain resource indicated as DL by the fifth indication information and as DL, UL, or F by the sixth indication information is ultimately indicated as uplink by the sixth (second) indication information.

[0165] As shown in FIG19 , corresponding to FIG10C , the second indication information is the same as the sixth indication information, except that the second time domain resource indicated as F by the fifth indication information and as DL, UL, or F by the sixth indication information is ultimately indicated as uplink by the sixth (second) indication information. The first time domain resource indicated as DL by the fifth indication information and as DL, UL, or F by the sixth indication information is ultimately indicated as uplink by the sixth (second) indication information.

[0166] The following describes the first frequency domain resources and the second frequency domain resources.

[0167] In some embodiments, the first frequency domain resources include frequency domain resources in the (activated) UL BWP that overlap with a first frequency domain resource element set (for example, the first frequency domain resource element set includes the first subband on / in the corresponding DL carrier of the DL BWP corresponding to the UL BWP (for example, the DL BWP corresponding to the activated UL BWP is the activated DL BWP), but not limited thereto), or frequency domain resources in the (activated) UL BWP that belong to a second frequency domain resource element set (for example, the second frequency domain resource element set includes the first subband on / in the corresponding UL carrier of the UL BWP), or a third frequency domain resource element set in the (activated) UL BWP (for example, the third frequency domain resource element set includes the first subband on / in the UL BWP); and / or the second frequency domain resources include a UL carrier corresponding to a fourth frequency domain resource element set (for example, the fourth frequency domain resource element set includes the UL BWP corresponding to the DL BWP (for example, the UL BWP corresponding to the activated DL BWP is the activated UL BWP) in the (activated) UL BWP. The following subbands and frequency domain resource element sets may be interchangeable.

[0168] The first and second subbands are used, for example, to support SBFD operations (for network devices). From the perspective of the network device, during a time period, the network device can simultaneously receive (uplink) signals on the first subband and transmit (downlink) signals on the second subband. This enables the possibility of simultaneously transmitting and receiving signals (whether to receive and / or transmit depends on other configurations and / or scheduling). From the perspective of the terminal device, during this time period, the terminal device can transmit (uplink) signals on the first subband or receive (downlink) signals on the second subband (whether to transmit / receive depends on other configurations and / or scheduling).

[0169] In some embodiments, the first subband and / or the second subband (their configuration) are for the same cell or within a cell, or in other words, the SBFD operation is for the same cell or within a cell. From the perspective of a network device, within the same cell, a (uplink) signal can be received on the first subband while a (downlink) signal is transmitted on the second subband during a time period. From the perspective of a terminal device, within the cell, a (uplink) signal can be transmitted on the first subband while a (downlink) signal is received on the second subband during the same time period.

[0170] In some embodiments, the third subband is, for example, a guard interval between the first subband and the second subband, and the first subband and / or the second subband and / or the third subband may include one or more continuous frequency domain resource units or multiple discontinuous frequency domain resource units, or the first subband and the second subband are composed of one or more continuous frequency domain resource units or multiple discontinuous frequency domain resource units. The frequency domain resource units include one or more of subcarriers, subcarrier sets / groups, RBs, RB sets / groups, etc. The number of subcarriers included in a subcarrier set is or is not a multiple of the number of subcarriers included in an RB, for example, the number of subcarriers included in a subcarrier group is less than the number of subcarriers included in one RB, but is not limited thereto. The RB group, for example, includes multiple RBs.

[0171] For example, if a frequency domain resource unit includes a subcarrier, a subcarrier group, an RB, or one of the RB groups, and the one is an RB, then the first subband includes one or more consecutive RBs or multiple discontinuous RBs. For another example, if a frequency domain resource unit includes a subcarrier and an RB, then the first subband may include an integer number of RBs and an integer number of subcarriers, and the integer number of RBs and the integer number of subcarriers may be consecutive or discontinuous.

[0172] In some embodiments, the number of frequency-domain resource units included in the first subband and / or the second subband is (must be) a multiple of N1 and / or a common multiple of N2, N3, and N4. For example, N1 = 2 or 4, N2 = 2, N3 = 3, N4 = 5, or other values, without limitation.

[0173] In some embodiments, the first subband may also be referred to as an uplink subband (UL subband), or an uplink SBFD subband, or an SBFD uplink subband, or an uplink RB set (i.e., an RB set for uplink), or an uplink SBFD RB set, or an SBFD uplink RB set. The embodiments of the present application are not limited to this.

[0174] In some embodiments, the second subband may also be referred to as a downlink subband (DL subband), or a downlink SBFD subband, or a SBFD downlink subband, or a downlink RB set (i.e., an RB set for downlink), or a downlink SBFD RB set, or a SBFD downlink RB set. The embodiments of the present application are not limited to this.

[0175] In some embodiments, there is no guard interval or no guard interval (GB) between the first subband (eg, UL subband) and the second subband (eg, DL subband).

[0176] In some embodiments, the terminal device can also receive first information and / or second information for the first frequency domain resource unit set and / or the second frequency domain resource unit set and / or the third frequency domain resource unit set and / or the fourth frequency domain resource unit set and / or the fifth frequency domain resource unit set and / or the sixth frequency domain resource unit set.

[0177] In some embodiments, the first information and / or the second information are carried by high-layer signaling and / or PHY (physical layer) signaling, or are sent through high-layer signaling and / or PHY signaling, or are included in high-layer signaling and / or PHY signaling. The first information and the second information are carried by the same or different signaling, messages, or information elements (IEs). For example, the first information and the second information are included in a system message and a dedicated RRC message, respectively. For another example, the first information and the second information are included in different (numbered) system messages, respectively. For another example, the first information and the second information are included in RRC signaling and PHY signaling, respectively.

[0178] In some embodiments, all or part of the first information and / or the second information is carried by RRC signaling.

[0179] In some embodiments, the first information and the second information are included in an RRC message and / or a third configuration,

[0180] The message includes one or more of the following:

[0181] MIB;

[0182] SIB1;

[0183] System information (e.g., SystemInformation) messages

[0184] RRC setup (e.g., RRCSetup) message;

[0185] RRC recovery (e.g., RRCResume) message;

[0186] RRC reconfiguration (e.g., RRCReconfiguration) message;

[0187] in,

[0188] The third configuration (e.g., RRC IE) includes one or more of the following:

[0189] SIB downlink frequency information (e.g. FrequencyInfoDL-SIB)

[0190] SIB downlink common configuration (for example, DownlinkConfigCommonSIB)

[0191] SIB uplink frequency information (e.g. FrequencyInfoUL-SIB)

[0192] SIB uplink common configuration (for example, UplinkConfigCommonSIB)

[0193] SIB serving cell common configuration (e.g. ServingCellConfigCommonSIB)

[0194] Downlink frequency information (e.g. FrequencyInfoDL)

[0195] Downlink common configuration (for example, DownlinkConfigCommon)

[0196] Uplink frequency information (e.g. FrequencyInfoUL)

[0197] Uplink common configuration (for example, UplinkConfigCommon)

[0198] Serving cell common configuration (e.g. ServingCellConfigCommon)

[0199] Serving cell configuration (e.g., ServingCellConfig)

[0200] SIBx

[0201] The domain or IE used to configure BWP.

[0202] For example, FrequencyInfoDL-SIB is included in DownlinkConfigCommonSIB, FrequencyInfoUL-SIB may be included in UplinkConfigCommonSIB, DownlinkConfigCommonSIB and UplinkConfigCommonSIB may be included in ServingCellConfigCommonSIB, and ServingCellConfigCommonSIB may be included in SIB1; FrequencyInfoDL may be included in DownlinkConfigCommon, FrequencyInfoUL may be included in UplinkConfigCommon, DownlinkConfigCommon and UplinkConfigCommo may be included in ServingCellConfigCommon, ServingCellConfigCommon and ServingCellConfig may be included in RRC setup (RRCSetup) message and / or RRC recovery (RRCResume) message and / or RRC reconfiguration (RRCReconfiguration) message, but is not limited to this.

[0203] SIBx is a system message block different from SIB1, for example, x=15 or other values, and / or is dedicated to SBFD operation, and / or is included in the system information (SystemInformation) message, and / or, only UEs (for example, SBFD-aware UEs) that meet certain conditions (including supporting specific capabilities, for example, supporting SBFD operation and / or being able to be aware of the SBFD operation (of the network device) and / or (when the network device performs SBFD operation) being able to perform corresponding (optimized / enhanced) signal transceiver (for SBFD operation)) will receive SIBx, but not limited to this.

[0204] In some embodiments, the first information and / or the second information includes one or more first configurations.

[0205] In some embodiments, the first information and / or the second information is, for example, a list of (may include one or more) first configurations, the first configuration including a first information unit and / or one or more information fields (for indicating the frequency domain position of the first subband).

[0206] In some embodiments, the first configuration includes information (or information field) for indicating one or more of the following: the frequency domain position (start and / or end and / or center and / or bandwidth) of one or a group of first subbands; the frequency domain position (start and / or end and / or center and / or bandwidth) of one or a group of second subbands; index; subcarrier spacing; reference point.

[0207] In some embodiments, the first subband, second subband, and / or third subband are configured for a cell, a (DL and / or UL) SCS specific carrier, or a (DL and / or UL) BWP. For example, the first information and / or second information configures the first subband, second subband, and / or third subband for a cell, a (DL and / or UL) SCS specific carrier, or a (DL and / or UL) BWP. For example, "for a cell" means that the configured first subband, second subband, and / or third subband are applicable to different SCS specific carriers and / or BWPs in the cell. "For a (DL and / or UL) SCS specific carrier" means that the configured first subband, second subband, and / or third subband are applicable to their associated / corresponding (DL and / or UL) SCS specific carriers, and thus also to the (DL and / or UL) BWP corresponding to the (DL and / or UL) SCS specific carriers. For example, corresponding first subbands, second subbands, and / or third subbands are configured for different SCSs or different (DL and / or UL) SCS specific carriers in the cell. For (DL and / or UL) BWP, for example, it means that the configured first subband and / or second subband and / or third subband are applicable to their associated / corresponding (DL and / or UL) BWP, for example, the corresponding first subband and / or second subband and / or third subband are respectively configured for different (DL and / or UL) BWPs in the cell.

[0208] In some embodiments, the DL BWP corresponds to / is associated with the DL SCS specific carrier that is the same as its SCS and / or the UL SCS specific carrier that is the same as the SCS of the UL BWP associated with it, and the UL BWP corresponds to / is associated with the UL SCS specific carrier that is the same as its SCS and / or the DL SCS specific carrier that is the same as the SCS of the DL BWP associated with it.

[0209] In some embodiments, the first information and / or the second information indicates a first subband and / or a second subband and / or a third subband for the cell, and the UE determines the first subband and / or the second subband and / or the third subband for the (DL and / or UL) SCS specific carrier and / or the (DL and / or UL) BWP based on the indicated first subband and / or the second subband and / or the third subband.

[0210] In some embodiments, the first information and / or the second information indicates the first subband and / or the second subband and / or the third subband for the (DL and / or UL) SCS specific carrier, and the UE determines the first subband and / or the second subband and / or the third subband for the (DL and / or UL) BWP based on the indicated first subband and / or the second subband and / or the third subband.

[0211] In some embodiments, the first information and / or the second information indicates a first subband and / or a second subband and / or a third subband for a DL SCS specific carrier, and the UE determines the first subband and / or the second subband and / or the third subband for the (associated) UL SCS specific carrier and / or the (DL and / or UL) BWP based on the indicated first subband and / or the second subband and / or the third subband.

[0212] In some embodiments, the first information and / or the second information indicates a first subband and / or a second subband and / or a third subband for a UL SCS specific carrier, and the UE determines the first subband and / or the second subband and / or the third subband for the (associated) DL SCS specific carrier and / or the (DL and / or UL) BWP based on the indicated first subband and / or the second subband and / or the third subband.

[0213] In some embodiments, assuming that the first subband and / or the second subband and / or the third subband are configured for a DL SCS specific carrier, for a DL BWP, the UE determines the overlapping relationship between the frequency domain resources and these subbands based on the first subband and / or the second subband and / or the third subband of the DL SCS specific carrier corresponding to the DL BWP. For a UL BWP, the UE determines the overlapping relationship between the frequency domain resources and these subbands based on the first subband and / or the second subband and / or the third subband of the DL SCS specific carrier corresponding to the DL BWP; or, the UE determines the overlapping relationship between the frequency domain resources and these subbands based on the first subband and / or the second subband and / or the third subband of the UL SCS specific carrier corresponding to the UL BWP, wherein the first subband and / or the second subband and / or the third subband of the UL SCS specific carrier are determined based on the first subband and / or the second subband and / or the third subband of the DL SCS specific carrier corresponding to the UL BWP. The first information and / or first indication information may be carried by the same or different information domain configurations / signaling, and the second information and / or second indication information may be carried by the same or different information domain configurations / signaling, which will not be described in detail here.

[0214] The following describes how a terminal device receives or sends a signal. The following first time domain resource and / or second time domain resource may be an indicated first time domain resource and / or second time domain resource or an actual first time domain resource and / or second time domain resource, may be indicated based on the first SCS and / or first CP, or may be determined based on the second SCS and / or second CP, the first SCS and the second SCS may be the same or different, the first CP and / or the second CP may be a normal cyclic prefix and / or an extended cyclic prefix, and the embodiments of the present application are not limited thereto.

[0215] In some embodiments, in the first time domain resource, only the first frequency domain resource is used to send an uplink signal, or only the second frequency domain resource is used to receive a downlink signal. That is, in the first time domain resource, the terminal device sends an uplink signal only in (all or part of) the first frequency domain resource, or receives a downlink signal only in (all or part of) the second frequency domain resource. For the first time domain resource, the frequency domain resources other than the first frequency domain resources included in the (activated) UL BWP are not used to send an uplink signal, that is, the terminal device does not send an uplink signal on the frequency domain resources other than the first frequency domain resources included in the (activated) UL BWP; and / or, the frequency domain resources other than the second frequency domain resources included in the (activated) DL BWP are not used to receive a downlink signal, that is, the terminal device does not receive a downlink signal on the frequency domain resources other than the second frequency domain resources included in the (activated) DL BWP.

[0216] In some embodiments, for the second time domain resources, the first frequency domain resources included in the (activated) UL BWP and the frequency domain resources other than the first frequency domain resources (for example, including all frequency domain resources in the UL BWP) are used to send uplink signals, and / or, the second frequency domain resources included in the (activated) DL BWP and the frequency domain resources other than the second frequency domain resources (for example, including all frequency domain resources in the DL BWP) are used to receive downlink signals. Therefore, in the second time domain resources, the first frequency domain resources and the frequency domain resources other than the first frequency domain resources can be used to send uplink signals, and / or, the frequency domain resources other than the second frequency domain resources and the second frequency domain resources can be used to receive downlink signals. That is, in the second time domain resources, the terminal device can send uplink signals on frequency domain resources other than the first frequency domain resources and / or receive downlink signals on frequency domain resources other than the second frequency domain resources, that is, it can send uplink signals in (all or part of) the first frequency domain resources and / or the frequency domain resources other than the first frequency domain resources, and receive downlink signals in the second frequency domain resources and / or the frequency domain resources other than the second frequency domain resources.

[0217] In the above example, it can be determined based on the above indication information whether to send an uplink signal or receive a downlink signal in the first time domain resource, but the embodiment of the present application is not limited to this. For example, for the first time domain resource and / or the second time domain resource that is not indicated as uplink or downlink (i.e., indicated as flexible F / -) by the first indication information and / or the second indication information (for example, the downlink control information DCI for indicating uplink or downlink is not monitored or detected, or the DCI is detected but the DCI does not indicate either uplink or downlink), and / or for the situation where the first indication information and / or the second indication information is not provided (the first indication information and / or the second indication information is not received or the first indication information and / or the second indication information does not exist), the following describes how to determine whether to send an uplink signal or receive a downlink signal in the first time domain resource and / or the second time domain resource.

[0218] In some embodiments, for / in the first time domain resource, the following method can be used to determine whether to send an uplink signal or receive a downlink signal: the DL subband can correspond to the second subband, and the UL subband can correspond to the first subband; the following configured DL signals / channels include, for example, the terminal device is configured by the higher layer to receive PDCCH or PDSCH or CSI-RS or DL ​​PRS, etc., and the configured UL signals / channels are, for example, the terminal device is configured by the higher layer to send SRS or PUCCH or PUSCH or PRACH, etc.

[0219] Method 1-1: receiving a configured DL signal / channel (in a DL subband (in a DL BWP)) or transmitting a configured UL signal / channel (in a UL subband (in a UL BWP)) according to Rule 1 (e.g., for handling collisions);

[0220] (Processed by the network device side to avoid collision) Receive DCI scheduled / triggered DL signal / channel (in the DL subband (in the DL BWP)) or send UL signal / channel (in the UL subband (in the UL BWP)).

[0221] Method 1-2: Only the configured DL signal / channel is received (in the DL subband (in the DL BWP)), and the configured UL signal / channel is not transmitted (in the UL subband (in the UL BWP));

[0222] (Processed by the network device side to avoid collision) Receive DCI scheduled / triggered DL signal / channel (in the DL subband (in the DL BWP)) or send UL signal / channel (in the UL subband (in the UL BWP)).

[0223] Method 1-3: Only the configured UL signal / channel is transmitted (in the UL subband (in the UL BWP)), and the configured DL signal / channel is not received (in the DL subband (in the DL BWP));

[0224] (Processed by the network device side to avoid collision) Receive DCI scheduled / triggered DL signal / channel (in the DL subband (in the DL BWP)) or send UL signal / channel (in the UL subband (in the UL BWP)).

[0225] Method 1-4: transmitting a configured UL signal / channel (in a UL subband (in a UL BWP)) and not receiving a configured DL signal / channel (in a DL subband (in a DL BWP));

[0226] (Processed by the network device side to avoid collision) Receive DCI scheduled / triggered DL signal / channel (in the DL subband (in the DL BWP)) or transmit UL signal / channel (in the UL subband (in the UL BWP)).

[0227] Method 1-5: UL signals / channels are not transmitted (in the UL subband (in the UL BWP)), and DL signals / channels are not received (in the DL subband (in the DL BWP)).

[0228] In some embodiments, for / in the second time domain resource, the following method may be used to determine whether to send an uplink signal or receive a downlink signal: the DL subband may correspond to the second subband, and the UL subband may correspond to the first subband;

[0229] Method 2-1: The configured DL signal / channel may be received (in the DL BWP) or the configured UL signal / channel may be transmitted (in the UL BWP);

[0230] It can receive DCI-scheduled / triggered DL signals / channels (in DL BWP) or send DCI / RAR-scheduled / triggered UL signals / channels (in UL BWP);

[0231] Determine whether to send or receive based on the rules.

[0232] Method 2-2: Only the configured DL signal / channel can be received (in the DL BWP), and the configured UL signal / channel is not sent (in the UL BWP);

[0233] A DL signal / channel scheduled / triggered by DCI may be received (in a DL BWP) or a UL signal / channel may be transmitted (in a UL subband (in a UL BWP));

[0234] Determine whether to send or receive based on the rules.

[0235] Method 2-3: Only the configured UL signal / channel may be transmitted (in the UL BWP), but the configured DL signal / channel may not be received (in the DL BWP);

[0236] (In a DL BWP) receive a DL signal / channel scheduled / triggered by DCI or (in a UL BWP) send a UL signal / channel;

[0237] Determine whether to send or receive based on the rules.

[0238] Method 2-4: Transmitting the configured UL signal / channel (in the UL BWP) without receiving the configured DL signal / channel (in the DL BWP);

[0239] (Processed by the network device side to avoid collision) (in DL BWP) receive DL signals / channels scheduled / triggered by DCI or (in UL BWP) send UL signals / channels.

[0240] Method 2-5: Do not transmit the configured UL signal / channel (in the UL BWP), and do not receive the configured DL signal / channel (in the DL BWP).

[0241] FIG20 is a flow chart of a signal receiving and transmitting method according to an embodiment of the present application. As shown in FIG20 , the method includes:

[0242] 2001, determining whether the time domain resource is the first time domain resource, if the determination result is yes, executing 2011, otherwise executing 2021;

[0243] 2011, determining whether the first indication information indicates uplink or downlink, if so, executing 2012; otherwise, executing 2015;

[0244] 2012, determine whether the instruction is uplink or downlink. If it is downlink, execute 2013; otherwise, execute 2014;

[0245] 2013, receiving a downlink signal in a DL subband (in a DL BWP);

[0246] 2014, uplink signal is transmitted in the UL subband (in the UL BWP);

[0247] 2015, determining whether the second indication information indicates uplink or downlink, if so, executing 2012; otherwise, executing 2016;

[0248] 2016, whether to monitor DCI1 used to indicate DL or UL. If monitoring is performed, execute 2017, otherwise execute 2019;

[0249] 2017, determine whether DCI1 is detected; if detected, execute 2018, otherwise execute 2019;

[0250] 2018: Determine whether DCI1 indicates DL or UL. If so, execute 2012; otherwise, execute 2019.

[0251] 2019. Determine how / whether to send an uplink signal or receive a downlink signal according to at least one of the above methods 1-1 to 1-5.

[0252] 2021, determining whether the fifth indication information indicates uplink or downlink. If so, execute 2022; otherwise, execute 2025.

[0253] 2022, determine whether the instruction is uplink or downlink. If it is downlink, execute 2023; otherwise, execute 2024;

[0254] 2023, (in DL BWP) receiving a downlink signal;

[0255] 2024, (in UL BWP) sending uplink signal;

[0256] 2025, determining whether the sixth indication information indicates uplink or downlink. If so, execute 2022; otherwise, execute 2026;

[0257] 2026, whether to monitor DCI2 used to indicate DL or UL. If monitoring is performed, execute 2027; otherwise, execute 2029.

[0258] 2027, determine whether DCI2 is detected; if detected, execute 2028, otherwise execute 2029;

[0259] 2028, determine whether DCI2 indicates DL or UL. If so, execute 2022; otherwise, execute 2029;

[0260] 2029. Determine how / whether to send an uplink signal or receive a downlink signal according to at least one of the above methods 2-1 to 2-5.

[0261] The first indication information, the second indication information, the fifth indication information, and the sixth indication information can be interchangeable in some cases, and DCI1 and DCI2 can be the same or different DCIs (formats).

[0262] The above only describes the steps or processes related to the present application, but does not necessarily include all of the above steps, and the order in which the steps are performed is not limited to this. The method of the embodiment of the present application may also include other steps or processes. For the specific content of these steps or processes, reference can be made to the relevant technology.

[0263] The above embodiments are merely exemplary of the present invention, but the present invention is not limited thereto. Appropriate modifications may be made based on the above embodiments. For example, the above embodiments may be used alone, or one or more of the above embodiments may be combined.

[0264] According to the embodiments of the present application, network devices can be supported to perform SBFD operations, thereby improving resource allocation flexibility and resource utilization.

[0265] Embodiments of the second aspect

[0266] The embodiment of the present application provides a signal transceiver device, which may be, for example, a terminal device, or one or more components or assemblies configured in the terminal device, and the same contents as those in the embodiment of the first aspect will not be repeated here.

[0267] Figure 3 is a schematic diagram of a signal transceiver device according to an embodiment of the present application. Since the principle of solving the problem by the signal transceiver device is the same as the method of the embodiment of the first aspect, its specific implementation can refer to the embodiment of the first aspect, and the same contents will not be repeated.

[0268] As shown in FIG3 , the signal transceiver device 300 of the embodiment of the present application includes:

[0269] A receiver 301 receives first indication information and / or second indication information for indicating that the first time domain resource and / or the second time domain resource is downlink or uplink;

[0270] In the first time domain resources, only the first frequency domain resources are used to send uplink signals, or only the second frequency domain resources are used to receive downlink signals.

[0271] The implementation of the receiver 301 can refer to 201 of the first aspect, and the repeated parts will be omitted.

[0272] The apparatus may further include a transmitter 302 configured to send a signal to a network device, and the receiver 301 may further be configured to receive a signal sent by the network device.

[0273] In addition, for simplicity, FIG3 only illustrates the connection relationship or signal path between various components or modules. However, those skilled in the art should be aware that various related technologies such as bus connection can be used. The above-mentioned components or modules can be implemented by hardware facilities such as processors, memories, transmitters, and receivers; the implementation of this application is not limited to this.

[0274] The above embodiments are merely exemplary of the present invention, but the present invention is not limited thereto. Appropriate modifications may be made based on the above embodiments. For example, the above embodiments may be used alone, or one or more of the above embodiments may be combined.

[0275] Embodiments of the third aspect

[0276] An embodiment of the present application provides a signal receiving and sending method, which is described from the perspective of a network device, and the contents that are the same as those in the embodiment of the first aspect will not be repeated.

[0277] FIG4 is a schematic diagram of the signal receiving and sending method according to an embodiment of the present application. As shown in FIG4 , the method includes:

[0278] 401. The network device sends first indication information and / or second indication information for indicating that the first time domain resource and / or the second time domain resource is downlink or uplink;

[0279] In the first time domain resources, only the first frequency domain resources are used to receive uplink signals, or only the second frequency domain resources are used to send downlink signals.

[0280] The implementation of 401 can refer to 201 of the first aspect, and the repeated parts will not be repeated.

[0281] In some embodiments, in the first time domain resource, the network device may transmit a downlink signal to a terminal device using a first frequency domain resource in the first time domain resource, receive an uplink signal transmitted by another terminal device using a frequency domain resource other than the first frequency domain resource, and / or receive an uplink signal transmitted by a terminal device using a second frequency domain resource, and transmit a downlink signal to another terminal device using a frequency domain resource other than the second frequency domain resource, so that the network device supports the simultaneous existence / occurrence / performance of downlink and uplink.

[0282] The above only describes the steps or processes related to the present application, but the present application is not limited thereto. The method of the embodiment of the present application may also include other steps or processes. For the specific content of these steps or processes, reference may be made to the relevant art.

[0283] The above embodiments are merely exemplary of the present invention, but the present invention is not limited thereto. Appropriate modifications may be made based on the above embodiments. For example, the above embodiments may be used alone, or one or more of the above embodiments may be combined.

[0284] Embodiments of the fourth aspect

[0285] The embodiment of the present application provides a signal transceiver device, which may be, for example, a network device, or one or more components or assemblies configured in the network device, and the contents that are the same as those in the embodiment of the third aspect will not be repeated.

[0286] Figure 5 is a schematic diagram of a signal transceiver device according to an embodiment of the present application. Since the principle of solving the problem by the signal transceiver device is the same as the method of the embodiment of the third aspect, its specific implementation can refer to the embodiment of the third aspect, and the same contents will not be repeated.

[0287] As shown in FIG5 , a signal transceiver device 500 according to an embodiment of the present application includes:

[0288] A transmitter 501, which sends first indication information and / or second indication information for indicating that the first time domain resource and / or the second time domain resource is downlink or uplink;

[0289] In the first time domain resources, only the first frequency domain resources are used to receive uplink signals, or only the second frequency domain resources are used to send downlink signals.

[0290] The apparatus may further include a receiver 502 configured to receive a signal sent by a terminal device. The transmitter may also be configured to send a signal to the terminal device.

[0291] For the implementation of the above-mentioned features, please refer to the embodiment of the first aspect and will not be repeated here.

[0292] It is worth noting that the above only describes the components or modules related to the present application, but the present application is not limited thereto. The signal transceiver 500 of the embodiment of the present application may also include other components or modules. For the specific contents of these components or modules, reference may be made to the relevant art.

[0293] In addition, for simplicity, FIG5 only illustrates the connection relationship or signal path between various components or modules. However, those skilled in the art should be aware that various related technologies such as bus connection can be used. The above-mentioned components or modules can be implemented by hardware facilities such as processors, memories, transmitters, and receivers; this application is not limited to this.

[0294] The above embodiments are merely exemplary of the present invention, but the present invention is not limited thereto. Appropriate modifications may be made based on the above embodiments. For example, the above embodiments may be used alone, or one or more of the above embodiments may be combined.

[0295] Embodiments of the fifth aspect

[0296] An embodiment of the present application also provides a communication system, and reference may be made to FIG1 . The contents that are the same as those in the first to fourth aspects of the embodiments will not be repeated.

[0297] In some embodiments, the communication system 100 may include at least: a network device 101 and / or a terminal device 102, wherein the network device 101 includes the signal transceiver device 500 in the embodiment of the fourth aspect, and the terminal device 102 includes the signal transceiver device 300 in the embodiment of the second aspect, which will not be repeated here.

[0298] An embodiment of the present application further provides a network device, which may be, for example, a base station, but the present application is not limited thereto and may also be other network devices.

[0299] Figure 6 is a schematic diagram illustrating the structure of a network device according to an embodiment of the present application. As shown in Figure 6 , network device 600 may include a processor 610 (e.g., a central processing unit (CPU)) and a memory 620 ; the memory 620 is coupled to the processor 610 . The memory 620 may store various data and may also store an information processing program 630 , which is executed under the control of the processor 610 .

[0300] For example, the processor 610 may be configured to execute a program to implement the method described in the embodiment of the third aspect.

[0301] In addition, as shown in FIG6 , network device 600 may further include: a transceiver 640 and an antenna 650, etc.; wherein, the functions of the above components are similar to those in the prior art and are not described in detail here. It is worth noting that network device 600 does not necessarily include all the components shown in FIG6 ; in addition, network device 600 may also include components not shown in FIG6 , and reference may be made to the prior art for details.

[0302] The embodiment of the present application also provides a terminal device, but the present application is not limited thereto and may also be other devices.

[0303] Figure 7 is a schematic diagram of a terminal device according to an embodiment of the present application. As shown in Figure 7 , terminal device 700 may include a processor 710 and a memory 720. Memory 720 stores data and programs and is coupled to processor 710. It should be noted that this diagram is exemplary; other types of structures may be used to supplement or replace this structure to implement telecommunication or other functions.

[0304] For example, the processor 710 may be configured to execute a program to implement the method described in the embodiment of the first aspect.

[0305] As shown in Figure 7 , the terminal device 700 may further include: a communication module 730, an input device 740, a display 750, and a power supply 760. The functions of these components are similar to those in the prior art and are not described in detail here. It is worth noting that the terminal device 700 does not necessarily include all of the components shown in Figure 7 , and these components are not essential. Furthermore, the terminal device 700 may also include components not shown in Figure 7 , for which reference may be made to the prior art.

[0306] An embodiment of the present application also provides a computer-readable program, wherein when the program is executed in a signal transceiver device or a network device, the program enables a computer to execute the method described in the embodiment of the third aspect in the signal transceiver device or the network device.

[0307] An embodiment of the present application further provides a storage medium storing a computer-readable program, wherein the computer-readable program enables a computer to execute the method described in the embodiment of the third aspect in a signal transceiver device or a network device.

[0308] An embodiment of the present application also provides a computer-readable program, wherein when the program is executed in a signal transceiver device or a terminal device, the program enables a computer to execute the method described in the embodiment of the first aspect in the signal transceiver device or the terminal device.

[0309] An embodiment of the present application further provides a storage medium storing a computer-readable program, wherein the computer-readable program enables a computer to execute the method described in the embodiment of the first aspect in a signal transceiver apparatus or a terminal device.

[0310] The above devices and methods of the present application can be implemented by hardware or by a combination of hardware and software. The present application relates to such a computer-readable program that, when executed by a logic component, enables the logic component to implement the devices or components described above, or enables the logic component to implement the various methods or steps described above. The logic component is, for example, a field programmable logic component, a microprocessor, a processor used in a computer, etc. The present application also relates to a storage medium for storing the above program, such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, etc.

[0311] The method / device described in conjunction with the embodiments of the present application can be directly embodied as hardware, a software module executed by a processor, or a combination of the two. For example, one or more of the functional block diagrams shown in the figure and / or one or more combinations of functional block diagrams can correspond to various software modules of the computer program flow or to various hardware modules. These software modules can respectively correspond to the various steps shown in the figure. These hardware modules can be implemented by solidifying these software modules, for example, using a field programmable gate array (FPGA).

[0312] The software module may be located in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, a hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. A storage medium may be coupled to a processor so that the processor can read information from the storage medium and write information to the storage medium; or the storage medium may be an integral part of the processor. The processor and the storage medium may be located in an ASIC. The software module may be stored in the memory of the mobile terminal or in a memory card that can be inserted into the mobile terminal. For example, if the device (such as a mobile terminal) uses a large-capacity MEGA-SIM card or a large-capacity flash memory device, the software module may be stored in the MEGA-SIM card or the large-capacity flash memory device.

[0313] One or more of the functional blocks and / or one or more combinations of functional blocks described in the accompanying drawings may be implemented as a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA) or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, or any appropriate combination thereof for performing the functions described in this application. One or more of the functional blocks and / or one or more combinations of functional blocks described in the accompanying drawings may also be implemented as a combination of computing devices, such as a combination of a DSP and a microprocessor, multiple microprocessors, one or more microprocessors in communication with a DSP, or any other such configuration.

[0314] The present application has been described above in conjunction with specific embodiments. However, those skilled in the art should understand that these descriptions are merely illustrative and are not intended to limit the scope of protection of the present application. Those skilled in the art may make various modifications and variations to the present application based on the spirit and principles of the present application, and such modifications and variations are also within the scope of the present application.

[0315] 1. A signal transceiver method, comprising:

[0316] The terminal device receives third indication information and / or fourth indication information for indicating the first time domain resource and / or the second time domain resource;

[0317] In the first time domain resources, only the first frequency domain resources are used to send uplink signals, and / or only the second frequency domain resources are used to receive downlink signals.

[0318] 2. The method according to the supplementary note, wherein the first time domain resource is an SBFD resource, and the second time domain resource is a non-SBFD resource.

[0319] 3. The method according to Supplementary Note 1, wherein the method further comprises:

[0320] In the first time domain resources, the terminal device sends uplink signals only in (all or part of) the first frequency domain resources; in the second time domain resources, the terminal device sends uplink signals in (all or part of) the first frequency domain resources and / or frequency domain resources other than the first frequency domain resources.

[0321] 4. The method according to Supplementary Note 1, further comprising:

[0322] In the first time domain resources, the terminal device receives downlink signals only in (all or part of) the second frequency domain resources; in the second time domain resources, the terminal device receives downlink signals in the second frequency domain resources and / or frequency domain resources outside the second frequency domain resources.

[0323] 5. The method according to claim 1, further comprising:

[0324] The terminal device determines the first time domain resources and / or the second time domain resources based on the third indication information and / or the fourth indication information and / or the fifth indication information and / or the sixth indication information.

[0325] 6. The method according to claim 1, wherein the third indication information and / or the fourth indication information are carried by radio resource control (RRC) signaling and / or medium access control (MAC) signaling and / or physical layer (PHY) signaling; the third indication information is included in a system message and / or a public service cell configuration, and the fourth indication information is included in a dedicated RRC message and / or a service cell configuration.

[0326] 7. A signal transmission and reception method, the method comprising:

[0327] An uplink signal is sent or a downlink signal is received in the first time domain resource according to a predefined rule and / or indication information.

[0328] In the first time domain resources, only the first frequency domain resources are used to send uplink signals, and / or only the second frequency domain resources are used to receive downlink signals.

[0329] 8. A terminal device comprising a memory and a processor, wherein the memory stores a computer program, and the processor is configured to execute the computer program to implement the method described in Note 1.

[0330] 9. A computer program product, comprising at least a computer program, wherein when the computer program is executed by a processor, the terminal device executes the method as described in Note 1.

[0331] 10. A communication system comprising the terminal device described in Note 8.

Claims

1. A signal transceiver device, applied to a terminal device, comprising: a receiver, configured to receive first indication information and / or second indication information for indicating that the first time domain resource and / or the second time domain resource is downlink or uplink; In the first time domain resources, only the first frequency domain resources are used to send uplink signals, and / or, only the second frequency domain resources are used to receive downlink signals.

2. The device according to claim 1, wherein The device further comprises: The transmitter sends an uplink signal only on the first frequency domain resource in the first time domain resource indicated as an uplink by the first indication information and / or the second indication information.

3. The device according to claim 1, wherein The receiver receives downlink signals only in the second frequency domain resource in the first time domain resource indicated as downlink by the first indication information and / or the second indication information.

4. The device according to claim 1, wherein The receiver is further configured to receive third indication information and / or fourth indication information for indicating (the location of) the first time domain resource and / or the second time domain resource.

5. The device according to claim 4, wherein The third indication information and / or the fourth indication information indicates a position of the first time domain resource and / or the second time domain resource in a period.

6. The device according to claim 1, wherein The first time domain resources only overlap with time domain resources indicated as downlink by the fifth indication information and / or the sixth indication information and / or time domain resources not indicated as downlink or uplink by the fifth indication information and / or the sixth indication information (for example, called flexible time domain resources).

7. The device according to claim 6, wherein The first time domain resource indicated by the third indication information and / or the fourth indication information does not overlap with the time domain resource indicated as uplink by the fifth indication information and / or the sixth indication information, or the third indication information and / or the fourth indication information does not indicate the time domain resource indicated as uplink by the fifth indication information and / or the sixth indication information as the first time domain resource, or the third indication information and / or the fourth indication information does not indicate the first time domain resource from the time domain resource indicated as uplink by the fifth indication information and / or the sixth indication information, or (determine) the resources in the first time domain resource indicated by the third indication information and / or the fourth indication information that overlap with the time domain resource indicated as uplink by the fifth indication information and / or the sixth indication information do not belong to the second time domain resource.

8. The device according to claim 1, 4 or 7, wherein: The first indication information, the third indication information and the fifth indication information are cell-specific (public), and the second indication information, the fourth indication information and the sixth indication information are UE-specific (dedicated).

9. The device according to claim 8, wherein The second indication information and / or the fourth indication information is the same as or different from the sixth indication information.

10. The device according to claim 1, wherein The second indication information does not indicate that the time domain resource indicated as DL by the first indication information is UL, and / or does not indicate that the time domain resource indicated as UL by the first indication information is DL.

11. The device according to claim 1, wherein The first time domain resources include third time domain resources (SBFD+D) and / or fourth time domain resources (SBFD+F), and / or the second time domain resources include fifth time domain resources (non-SBFD+F), and / or sixth time domain resources (non-SBFD+D), and / or seventh time domain resources (non-SBFD+U); The third time domain resources include resources in the first time domain resources that overlap with the time domain resources indicated as DL by the fifth indication information and / or the sixth indication information, The fourth time domain resources include resources in the first time domain resources that overlap with time domain resources that are not indicated as DL or UL by the fifth indication information and / or the sixth indication information, The fifth time domain resources include resources in the second time domain resources that overlap with time domain resources that are not indicated as DL or UL by the fifth indication information and / or the sixth indication information, The sixth time domain resource includes resources in the second time domain resource that overlap with the time domain resource indicated as DL by the fifth indication information and / or the sixth indication information, The seventh time domain resource includes resources in the second time domain resource that overlap with the time domain resource indicated as UL by the fifth indication information and / or the sixth indication information.

12. The device according to claim 11, wherein The first indication information and / or the second indication information is used to indicate whether the third time domain resource and / or the fourth time domain resource and / or the fifth time domain resource is downlink or uplink.

13. The device according to claim 1, wherein The first indication information and / or the second indication information does not indicate that the time domain resource indicated as DL by the sixth indication information is UL, and / or does not indicate that the time domain resource indicated as UL by the fifth indication information and / or the sixth indication information is DL.

14. The device according to claim 1, wherein The first indication information and / or the second indication information and the sixth indication information do not exist or are valid at the same time.

15. The device according to claim 11, wherein Different indication information is used to indicate whether the third time domain resource and / or the fourth time domain resource and / or the fifth time domain resource are downlink or uplink, and / or, The first indication information is used to indicate that the third time domain resource and / or the fourth time domain resource is downlink or uplink, the second indication information is used to indicate that the fifth time domain resource is downlink or uplink, and / or, The first indication information is used to indicate that the fourth time domain resource is downlink or uplink, and the second indication information is used to indicate that the third time domain resource and the fifth time domain resource are downlink or uplink.

16. The device according to claim 11, wherein The fifth indication information and / or the sixth indication information is used to indicate whether the sixth time domain resource and / or the seventh time domain resource is downlink or uplink.

17. The device according to claim 1, wherein For the first time domain resource, the sixth indication information indicates downlink, or indicates uplink, or does not indicate uplink or downlink.

18. The device according to claim 1, wherein The first time domain resource is an SBFD resource, and the second time domain resource is a non-SBFD resource.

19. A signal transceiver device, applied to a network device, comprising: a transmitter, or a transmitter and a receiver; A transmitter, configured to send first indication information and / or second indication information for indicating that the first time domain resource and / or the second time domain resource is downlink or uplink; In the first time domain resources, only the first frequency domain resources are used to receive uplink signals, and / or, only the second frequency domain resources are used to send downlink signals.

20. A communication system comprising: terminal equipment and / or network equipment, The terminal device includes the apparatus according to any one of claims 1 to 18, The network device comprises the apparatus according to claim 19.

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