Methods, devices, and systems for signal and data transmission in wireless networks

Abstract

The present disclosure relates generally to a method, device and system for signal and data transmission in a wireless network. A method performed by a device and performed by a wireless device is disclosed. The method can include determining an initial format for each time block of a transmission resource pool, the transmission resource pool including at least one sub-pool, the sub-pool including a first sub-pool, and determining a reconfiguration of a transmission resource segment in the first sub-pool from an initial format to an enhanced flexible format, wherein the initial format of the transmission resource segment is the same as the initial format of the first sub-pool and the initial transmission direction of the transmission resource segment is the same as the initial transmission direction of the first sub-pool.

Description

Technical Field

[0001] This disclosure relates generally to wireless communication, and more particularly to a method, apparatus, and system for transmitting signals and data in a wireless network. Background Technology

[0002] In wireless communication networks, flexible and efficient scheduling of wireless transmission resources is crucial. The ecosystem of wireless communication networks includes an increasing number of applications requiring low latency. These applications include vehicle-to-vehicle communication, autonomous driving, and mobile gaming. Specifically, when Time Division Multiplexing (TDD) is deployed in wireless networks, it is desirable to enable full-duplex data / signal transmission for specific time slots and / or symbols to reduce transmission latency. Efficient and flexible solutions for dynamic selection, configuration / reconfiguration, and scheduling of transmission resources are essential to achieving this task. Summary of the Invention

[0003] This disclosure relates to a method, apparatus, and system for signal and data transmission, as well as transmission resource configuration and scheduling in a wireless network.

[0004] In some embodiments, a method performed by a wireless device is disclosed. The method may include: determining an initial format for each time block of a transport resource pool, the transport resource pool including at least one sub-pool, the sub-pool including a first sub-pool, wherein the initial format indicates an initial transmission direction configuration for each time block, wherein: the initial format of each time block of the transport resource pool includes one of: downlink (DL) format, uplink (UL) format, and flexible format; the initial format of each time block in each of the at least one sub-pool is the same; the initial format of the first sub-pool is the DL format or the UL format; and the initial transmission direction of the first sub-pool is consistent with the initial format of the first sub-pool; and determining that a transport resource segment in the first sub-pool is reconfigured from the initial format to an enhanced flexible format, wherein the initial format of the transport resource segment is the same as the initial format of the first sub-pool, and the initial transmission direction of the transport resource segment is the same as the initial transmission direction of the first sub-pool.

[0005] In some embodiments, a method performed by a network element is disclosed. The method may include: determining an initial format for each time block of a transport resource pool, the transport resource pool including at least one sub-pool, the sub-pool including a first sub-pool, wherein the initial format indicates an initial transmission direction configuration for each time block, wherein: the initial format of each time block of the transport resource pool includes one of: downlink (DL) format, uplink (UL) format, and flexible format; the initial format of each time block in each of the at least one sub-pool is the same; the initial format of the first sub-pool is the DL format or the UL format; and the initial transmission direction of the first sub-pool is consistent with the initial format of the first sub-pool; and determining that a transport resource segment in the first sub-pool is reconfigured from the initial format to an enhanced flexible format, wherein the initial format of the transport resource segment is the same as the initial format of the first sub-pool, and the initial transmission direction of the transport resource segment is the same as the initial transmission direction of the first sub-pool.

[0006] In some embodiments, a network element or UE is provided, which includes a processor and a memory, wherein the processor is configured to read code from the memory and implement the method described in any embodiment.

[0007] In some embodiments, a computer program product includes computer-readable program medium code stored thereon, which, when executed by a processor, causes the processor to implement the method described in any embodiment.

[0008] The above embodiments and other aspects and alternative implementations thereof will be described in more detail below in the accompanying drawings, specification and claims. Attached Figure Description

[0009] Figure 1 An example of a wireless communication network is shown.

[0010] Figure 2 An example of a wireless network node is shown.

[0011] Figure 3 An example of a user terminal is shown.

[0012] Figure 4 An exemplary transport resource pool and its mode / format are shown.

[0013] Figure 5 An exemplary subband duplex implementation is shown.

[0014] Figures 6 to 15 An exemplary implementation for reconfiguring one or more transport resource segments is shown. Detailed Implementation

[0015] Wireless communication network

[0016] Figure 1 An exemplary wireless communication network 100 is shown, comprising a core network 110 and a radio access network (RAN) 120. The core network 110 also includes at least one mobility management entity (MME) 112 and / or at least one access and mobility management function (AMF). Figure 1 Other functions that may be included in the core network 110 are not shown. RAN 120 also includes multiple base stations, such as base stations 122 and 124. Base stations may include at least one evolved NodeB (eNB) for 4G LTE, an enhanced LTE eNB (ng-eNB), or a next-generation NodeB (gNB) for 5G New Radio (NR), or any other type of signal transmission / reception equipment, such as a UMTS NodeB. eNB 122 communicates with MME 112 via the S1 interface. Both eNB 122 and gNB 124 can be connected to AMF 114 via the Ng interface. Each base station manages and supports at least one cell. For example, base station gNB 124 can be configured to manage and support cell 1, cell 2, and cell 3.

[0017] The gNB 124 may include a central unit (CU) and at least one distributed unit (DU). The CU and DU may be located in the same location, or they may be split into different locations. The CU and DU can be connected via the F1 interface. Alternatively, for an eNB capable of connecting to a 5G network, it can similarly consist of a CU and at least one DU, referred to as ng-eNB-CU and ng-eNB-DU, respectively. The ng-eNB-CU and ng-eNB-DU can be connected via the W1 interface.

[0018] The wireless communication network 100 may include one or more tracking areas. A tracking area may include a set of cells managed by at least one base station. For example, tracking area 1, labeled 140, includes cell 1, cell 2, and cell 3, and may also include cells that can be managed by other base stations. Figure 1 More cells are not shown in the diagram. The wireless communication network 100 may also include at least one UE 160. The UE may select one of several cells supported by the base station to communicate with the base station via an over-the-air (OTA) wireless communication interface and resources, and may reselect a cell for communication when the UE 160 moves within the wireless communication network 100. For example, the UE 160 may initially select cell 1 to communicate with base station 124, and then may reselect cell 2 at a later time. The cell selection or reselection of the UE 160 may be based on the wireless signal strength / quality in various cells and other factors.

[0019] The wireless communication network 100 can be implemented as, for example, a 2G, 3G, 4G / LTE, or 5G cellular communication network. Correspondingly, base stations 122 and 124 can be implemented as 2G base stations, 3G NodeBs, LTE eNBs, or 5G NR gNBs. The UE 160 can be implemented as a mobile or fixed communication device capable of accessing the wireless communication network 100. The UE 160 can include, but is not limited to, mobile phones, laptops, tablets, personal digital assistants, wearable devices, Internet of Things (IoT) devices, MTC / eMTC devices, distributed remote sensor devices, roadside assistance devices, XR devices, and desktop computers. The UE 160 can also generally be referred to as a wireless communication device or a wireless terminal. The UE 160 can support sidelink communication to another UE via a PC5 interface.

[0020] Although the following description focuses on, Figure 1 The cellular wireless communication system shown is based on the principles of other types of wireless communication systems used for paging wireless devices. These other wireless systems may include, but are not limited to, Wi-Fi, Bluetooth, ZigBee, and WiMax networks.

[0021] Figure 2 An example of an electronic device 200 implementing a network base station (e.g., a wireless access network node), a core network (CN), and / or operation, management, and maintenance (OAM) is shown. Optionally, in one implementation, the exemplary electronic device 200 may include a wireless transmit / receive (Tx / Rx) circuitry 208 for transmitting / receiving communications with a UE and / or other base stations. Optionally, in one implementation, the electronic device 200 may also include a network interface circuitry 209 to enable communication between the base station and other base stations and / or the core network (e.g., optical or wired interconnects, Ethernet, and / or other data transmission media / protocols). The electronic device 200 may optionally include an input / output (I / O) interface 206 for communication with operators, etc.

[0022] Electronic device 200 may also include system circuitry 204. System circuitry 204 may include one or more processors 221 and / or memory 222. Memory 222 may include operating system 224, instructions 226, and parameters 228. Instructions 226 may be configured for one or more processors 221 to perform functions of the network node. Parameters 228 may include parameters to support the execution of instructions 226. For example, parameters may include network protocol settings, bandwidth parameters, radio frequency mapping allocation, and / or other parameters.

[0023] Figure 3An example of an electronic device for implementing a terminal device 300 (e.g., a user terminal (UE)) is shown. The UE 300 may be a mobile device, such as a smartphone or mobile communication module located in a vehicle. The UE 300 may include some or all of the following: a communication interface 302, a system circuitry 304, an input / output interface (I / O) 306, a display circuitry 308, and a storage device 309. The display circuitry may include a user interface 310. The system circuitry 304 may include any combination of hardware, software, firmware, or other logic / circuit systems. The system circuitry 304 may be implemented, for example, using one or more system-on-a-chip (SoC), application-specific integrated circuits (ASICs), discrete analog and digital circuits, and other circuit systems. The system circuitry 304 may be part of an implementation of any desired functionality in the UE 300. In this regard, system circuitry 304 may include logic that facilitates, for example, the following: decoding and playing music and video (e.g., MP3, MP4, MPEG, AVI, FLAC, AC3, or WAV decoding and playback); running applications; accepting user input; saving and retrieving application data; establishing, maintaining, and terminating cellular phone calls or data connections for Internet connectivity (as an example); establishing, maintaining, and terminating wireless network connections, Bluetooth connections, or other connections; and displaying relevant information on user interface 310. User interface 310 and input / output (I / O) interface 306 may include a graphical user interface, a touch-sensitive display, haptic feedback or other haptic outputs, voice or facial recognition inputs, buttons, switches, speakers, and other user interface elements. Additional examples of I / O interface 306 may include a microphone, video and still image cameras, temperature sensors, vibration sensors, rotation and orientation sensors, headset and microphone input / output jacks, a universal serial bus (USB) connector, a memory card slot, a radiation sensor (e.g., an IR sensor), and other input types.

[0024] refer to Figure 3The communication interface 302 may include a radio frequency (RF) transmit (Tx) and receive (Rx) circuitry system 316 that processes the transmission and reception of signals via one or more antennas 314. The communication interface 302 may include one or more transceivers. The transceiver may be a wireless transceiver that includes a modulation / demodulation circuitry system, a digital-to-analog converter (DAC), a shaping table, an analog-to-digital converter (ADC), filters, waveform shapers, preamplifiers, power amplifiers, and / or other logic for transmission and reception via one or more antennas or (for some devices) via a physical (e.g., wired) medium. The transmitted and received signals may follow any of the different arrays of formats, protocols, modulations (e.g., QPSK, 16-QAM, 64-QAM, or 256-QAM), channels, bit rates, and encodings. As a specific example, communication interface 302 may include a transceiver supporting transmission and reception under the following standards: 2G, 3G, BT, WiFi, Universal Mobile Telecommunications System (UMTS), High-Speed ​​Packet Access (HSPA)+, 4G / LTE, and 5G. However, the technologies described below can be used with other wireless communication technologies arising from the 3rd Generation Partnership Project (3GPP), the GSM Association, 3GPP2, IEEE, or other partners or standards bodies.

[0025] refer to Figure 3 The system circuitry 304 may include one or more processors 321 and a memory 322. The memory 322 stores, for example, an operating system 324, instructions 326, and parameters 328. The processor 321 is configured to execute instructions 326 to perform desired functions for the UE 300. Parameters 328 can be provided and specify configuration and operational options for instructions 326. The memory 322 may also store any BT, WiFi, 3G, 4G, 5G, or other data that the UE 300 will send or has received via the communication interface 302. In various implementations, the system power for the UE 300 may be provided by a power storage device such as a battery or transformer.

[0026] Transmission resources in wireless networks

[0027] In a wireless network, wireless transmission resources are used to transmit data and / or signals. Transmission resources can be represented as a two-dimensional grid, with time as one dimension and frequency as another.

[0028] refer to Figure 4 For an exemplary transmission resource configuration in a wireless network, such a network can operate in Time Division Duplex (TDD) mode. In the time domain, transmission resources can be like... Figure 4The time slots shown, from 0 to 4, are organized into time blocks such as time slots (or time blocks). Based on the data / signal transmission direction, a time slot can be assigned to the downlink (DL) direction, in which case the time slot is dedicated to DL transmission / service. A time slot can also be assigned to the uplink (UL) direction, in which case the time slot is dedicated to UL transmission / service. Time slots can also be configured as flexible time slots, in which case they can be flexibly configured to support both DL and UL services. Furthermore, flexible time slots can support both DL and UL transmissions simultaneously, or they can support DL transmission in one cycle and UL transmission in another. The direction assigned to a time slot can be associated with the time slot format. For example, DL format (or D format) time slots are dedicated to DL transmission; UL format (or U format) time slots are dedicated to UL transmission; and flexible format (or F format) time slots can support bidirectional transmission.

[0029] The transmission resources can be presented periodically. For example, such as... Figure 4 As shown, the transport resources have a “DDDFU” mode (D: DL slot; F: flexible slot; U: UL slot). The characters “D”, “U”, and “F” can each represent a slot format. In this example, this particular mode has a period of 2.5 milliseconds (ms). In this disclosure, the transport resources in each cycle can be referred to as a transport resource pool. For example, slots 0 to 5 form transport resource pool 402. In one implementation, consecutive slots assigned with the same format can form a transport resource sub-pool (also referred to as a sub-pool for simplicity). Figure 4 As shown, time slots 0 to 2 are all assigned to the DL direction, and these three time slots form sub-pool 1. Similarly, time slot 3 itself forms sub-pool 2, which includes flexible transmission resources; and time slot 4 itself forms sub-pool 3, which includes UL transmission resources. Figure 4 As not shown in the diagram, sub-pools can also be formed by assigning consecutive OFDM symbols in the same format.

[0030] It should be noted that the "DDDFU" mode and its periodicity mentioned above are merely examples. Other modes and related periods can be configured based on actual needs. Modes can be combinations of various formats and numbers of time slots. For example, the mode could be "DDDDFUU". In this mode, four DL time slots, a single flexible time slot, and two UL time slots can each form a sub-pool for transmitting resources.

[0031] In some embodiments, formats such as DL, UL, and flexible formats can also be applied to time blocks such as symbols. The symbols may include at least one of the following:

[0032] • Orthogonal Frequency Division Multiplexing (OFDM) symbols;

[0033] • Single-carrier frequency division multiple access (SC-FDMA) symbol; or

[0034] • Filter Bank Multiple Access (FBMA) symbol.

[0035] Taking OFDM symbols as an example, each time slot can include multiple Orthogonal Frequency Division Multiplexing (OFDM) symbols. (Reference) Figure 4 A time slot can include 14 OFDM symbols. In the frequency domain, each symbol can include multiple resource blocks (RBs). The number of RBs in each OFDM symbol can depend on, for example, the bandwidth of the cell or carrier.

[0036] In some embodiments, one or more OFDM symbols may form a transport resource segment (or resource segment). For example... Figure 4 As shown, resource segment 404 is formed by OFDM symbols 2 to 11 in time slots. Resource segments can also be formed by one or more time slots or a mixture of time slots and OFDM symbols. For example, in a transport resource pool formed by time slots 0 to 4, time slots 1 and 2 can form resource segments. In some embodiments, one or more OFDM symbols or one or more time slots forming a transport resource segment have the same format.

[0037] In some embodiments, a transmission subpool is formed by multiple time slots or OFDM symbols and may also have a transmission direction and format identical to those of the member time slots or OFDM symbols in the subpool. The same applies to transmission resource segments. In summary, each time block (e.g., time slot / symbol) may have a format (D, U, or F) and a transmission direction (DL, UL, or bidirectional), which can be used to determine the corresponding format or transmission direction of a subpool or transmission resource segment. Furthermore, within each time block, frequency ranges (e.g., subbands, resource blocks, etc.) may also be assigned a format. For example, resource blocks 10 to 20 in time slot 1 may be assigned a D format, while another resource block 70 to 80 in time slot 1 may be assigned a U format. In the exemplary embodiments of this disclosure, time slots / symbols are used for description, and the basic principles generally apply to time blocks.

[0038] Sub-band Full-Duplex (SBFD)

[0039] In an exemplary wireless network operating in TDD mode, as described above, data / signal transmission can follow a certain pattern, such as "DDDFU". The following discussion will be based on this pattern, but it should be understood that transmission can follow various other patterns. The discussion will use time slots as an example, but other time blocks may also apply. In "DDDFU" mode, time slots 0 to 2 are DL time slots, time slot 3 is a flexible time slot, and time slot 4 is a UL time slot. Therefore, the resulting DL and UL services are time-division duplexed according to the transmission time slot pattern. It can be seen that UL transmission has only one dedicated time slot. From a network performance perspective, UL transmission may suffer from excessive latency because the UE is confined to transmitting within a single dedicated U time slot and the UL resources allocated in the flexible time slot. This can lead to performance issues, especially for latency-sensitive applications such as intelligent transportation systems, vehicle-to-vehicle communication, remote surgery, etc. Another factor to consider is that the transmission energy used for UL communication is limited to the dedicated U time slot, and this may result in suboptimal or degraded wireless coverage.

[0040] To address the aforementioned issues regarding latency and transmission power limitations, one solution is to introduce Subband Full-Duplex (SBFD) mode into wireless networks. (Reference) Figure 5 Time slots 1 and 2, originally dedicated to DL transmission, can be reconfigured so that a portion of the spectrum resources in time slots 1 and 2 can be allocated to create a UL subband (UL SB 502) supporting UL transmission, while the remaining spectrum resources still support DL transmission. Therefore, simultaneous DL and UL transmission can be achieved in time slots 1 and 2. Similarly, time slot 4, originally dedicated to UL transmission, can be reconfigured, and a portion of the spectrum resources (DL SB 504) can be allocated to support DL transmission. In this example, time slot 0 retains its original format (D) and remains dedicated to DL transmission. In some embodiments, subbands such as UL SB 502 and DL SB 504 can be formed from one or more resource blocks.

[0041] By adding the SBFD mode, wireless networks gain a degree of flexibility to schedule transmissions in one direction using subbands in one (or more) time slots originally dedicated to another direction. However, the scheduling of reverse traffic (compared to the direction originally assigned to the time slot) is limited to the allocated subband. Therefore, scheduling schemes such as dynamic scheduling (e.g., via downlink control information (DCI)), configuration scheduling (CG), and semi-persistent scheduling (SPS) may all need to follow this rule. This limitation can also lead to spectral efficiency issues. For example, for a D time slot with a subband allocated for UL traffic (originally dedicated to DL transmission), if there is no UL traffic to be scheduled in the subband, but there are DL transmission tasks that could benefit from the excess bandwidth, the subband may still not be allocated for DL ​​transmission unless all or part of the subband is required to return to the associated time slot (e.g., via additional configuration signaling). As another example, for a D time slot with a subband allocated for UL traffic, the DL traffic is light, and there are unused DL resources in the time slot. If UL services can benefit from excess bandwidth, unused DL resources can still not be allocated for UL transmissions.

[0042] Another potential problem with SBFD is the overall system complexity. This relates to the signaling overhead involved in configuring subbands, as the base station needs to instruct the UE on subband configuration information. Furthermore, complex operational rules must be defined to standardize UE and / or base station behavior related to subbands. For example, existing scheduling schemes such as dynamic scheduling, CG, and SPS will have to be modified to accommodate subbands.

[0043] This disclosure presents various embodiments designed to enhance the flexibility of transmission resource scheduling while utilizing existing resource scheduling schemes and minimizing signaling overhead.

[0044] Frame structure and slot format configuration

[0045] In wireless networks, various signaling and / or messages can be provided to configure time block (e.g., frames, time slots, symbols, etc.) formats, including transmission resource pool modes as described in previous chapters (e.g., ...). Figure 4 (The "DDDFU" mode shown).

[0046] The signaling may include cell-specific signaling, such as tdd-UL-DL-ConfigurationCommon. This signaling applies to all UEs within a cell. Return to Figure 4 This signaling can indicate to the UE: the periodicity of the transmission resource pool, and the format of each time slot in the transmission resource pool (i.e., D, U, or F).

[0047] The above indication / configuration uses time slots as the unit in the time domain. In some embodiments, the same basic principle can be applied to the OFDM symbol level to obtain finer granularity. For example, periodicity can be represented as the number of OFDM symbols (or an equivalent time period corresponding to the number of OFDM symbols). Similarly, this format can also be applied to OFDM symbols. That is, the base station can indicate the format of each OFDM symbol to the UE, regardless of whether the symbol is used for DL, UL, or flexible applications.

[0048] The signaling may also include UE-specific signaling, such as tdd-UL-DL-ConfigurationDedicated. In some embodiments, UE-specific signaling may override the configuration indicated by cell-specific signaling.

[0049] In some embodiments, if the UE is not provided with cell-specific signaling or UE-specific signaling, the UE may assume that all time slots and / or OFDM symbols are in a flexible format.

[0050] Once a time slot (or multiple time slots) or OFDM symbol (or multiple OFDM symbols) is configured in a flexible format, the base station can schedule transmission resources within the time slot or OFDM symbol in the desired direction, regardless of whether the desired direction is DL or UL. For example, refer to Figure 4 Time slot 3 is configured as an F-slot. In the time domain, the base station can assign the entire time slot or at least one OFDM symbol within that time slot for UL transmission. In the frequency domain, resource allocation can occupy all resource blocks within the entire time slot (or at least one OFDM symbol), or only a portion thereof. For example, assuming a single carrier in the frequency domain comprising 100 resource blocks, in one example allocation, resource blocks 11 to 20 of these 100 resource blocks in the entire time slot 3 could be allocated for UL transmission. In another allocation, resource blocks 50 to 80 of these 100 resource blocks in OFDM symbols 8 to 10 of time slot 3 could be allocated for UL transmission.

[0051] By using the signaling described above, transport resources can be configured with an initial configuration including the initial mode. (Still refer to...) Figure 4 The transmission resource pool 402 can be configured in the initial mode "DDDFU" using the aforementioned signaling scheme.

[0052] In some implementations, transmission resources can be limited to a single cell or a single carrier.

[0053] Reconfigure the format for transmission resources

[0054] After configuring the transport resource pool using the initial mode, each time block (e.g., time slot, symbol, etc.) in the transport resource pool is assigned an initial format, such as D (for the DL direction), F (flexible, usable for both DL and UL directions), or U (for the UL direction). For example, the base station can reconfigure the initial format to a different format. In some embodiments, based on information such as service characteristics, Quality of Service (QoS) requirements, and service type, the base station can send a message to the UE to reconfigure the format for at least one time slot or at least one symbol in the transport resource pool. Back Figure 4 The initial format of time slot 1 is DL(D). In this disclosure, without affecting other time slots, the base station can reconfigure the format of time slot 1 to an enhanced flexible time slot format that can support both DL and UL transmissions like a flexible time slot, and indicate the updated format of time slot 1 to the UE.

[0055] In this disclosure, the enhanced flexible format may further include various enhancements to the flexible format, which at least include:

[0056] • When DL and UL transmissions are scheduled simultaneously in the same time block, the enhanced flexible format provides a solution to transmission direction conflict.

[0057] The enhanced flexible format inherits the default format from the initial format of the associated transport resource; and

[0058] • The enhanced flexible format provides flexible bandwidth portion (BWP) configuration.

[0059] More details about these enhancements will be provided in later chapters.

[0060] In some embodiments, in addition to using signals / messages to explicitly reconfigure the format of time slots and / or OFDM symbols, predefined rules can also be used. For example, when certain prerequisites are met, such as UL / DL traffic exceeding a threshold, the format of at least one time slot / OFDM symbol can be changed to an enhanced flexible format. Furthermore, selection mechanisms can be defined under these rules to select the time slots and / or symbols intended for reconfiguration. These predefined rules can be coordinated and agreed upon between the base station and the UE.

[0061] In summary, this disclosure introduces a two-step process: first, initializing the format of the transport resource pool, and then reconfiguring the format of certain time slots and / or OFDM symbols to an enhanced flexible format.

[0062] Step 1:

[0063] The base station can send a first signaling message to the UE to initialize the format of the transmission resource pool. The first signaling message may include a cell-specific message or a UE-specific message.

[0064] Step 2:

[0065] The format of a specific time slot and / or OFDM symbol in the transport resource pool can be reconfigured via second signaling or through predefined rules.

[0066] In the following embodiments, unless otherwise stated, a transmission resource pool consisting of 5 time slots (used as exemplary time blocks) and configured with an initial "DDDFU" mode is used. For example, as described above, the base station can configure the mode via cell-specific and / or UE-specific signaling. Other parameters such as period can also be configured. Note that this particular mode is for illustrative purposes only. The same basic principles may apply to other modes. Furthermore, the mode can be applied to multiple time slots and multiple OFDM symbols. That is, when the "DDDFU" mode is applied to a time slot, 5 time slots follow the mode; when "DDDFU" is applied to an OFDM symbol, 5 OFDM symbols follow the mode.

[0067] Example 1

[0068] refer to Figure 6 The time slots 1 and 2 that form the transmission resource segment 602 within sub-pool 604 are initially configured in "D" format. Then, the format of these two time slots is reconfigured to an enhanced flexible format.

[0069] In one implementation, when a transport resource subpool is formed from resources in "D" format (e.g., time slots, OFDM symbols), the transport resource segments to be reformatted (within the subpool) should begin from the last OFDM symbol or the last time slot in the subpool. For example, in Figure 6 In this context, time slots 0 to 2 form a sub-pool 604 of “D” format. Reconfiguration of the format of a portion of the sub-pool may require starting from time slot 2 or the last OFDM symbol of time slot 2. For example, if only the format of 8 OFDM symbols needs to be reconfigured to a flexible format, then the last 8 OFDM symbols in the sub-pool, i.e., the last 8 symbols in time slot 2, will be selected for reconfiguration.

[0070] For example, a Physical Downlink Control Channel (PDCCH) exists in time slot 0, which schedules the Physical Downlink Shared Channel (PDSCH) for the UE in time slot 1. The UE receives the PDSCH in time slot 1.

[0071] For example, another PDCCH exists in time slot 0, which schedules the Physical Uplink Shared Channel (PUSCH) for the UE in time slot 2. The UE receives the PUSCH in time slot 2. In this case, the scheduled PUSCH has a different transmission direction compared to the original transmission direction of time slot 2. In one implementation, the remaining resources in time slot 2 can still be used for DL ​​transmission.

[0072] Example 2

[0073] refer to Figure 7 Time slot 4, which forms transport resource segment 702 within subpool 704, is initially configured in "U" format. The format of time slot 4 is then reconfigured to an enhanced flexible format. Note that a transport resource segment can occupy all or part of a subpool (i.e., a transport resource segment is a subset of a subpool, which can be part or all of its parent set). In this example, transport resource segment 702 occupies the entire subpool 704.

[0074] In one implementation, when a transport resource subpool is formed from resources in "U" format (e.g., time slots, OFDM symbols), the transport resource segments to be reconfigured (within the subpool) should begin with the first OFDM symbol or the first time slot in the subpool. For example, in Figure 7 In this configuration, slot 4 forms a sub-pool in "U" format. If only 8 OFDM symbols in the sub-pool need to be reconfigured to a flexible format, the first 8 OFDM symbols in the sub-pool (i.e., the first 8 symbols in slot 4) will be selected for reconfiguration. Figure 7 In another example not shown, suppose slots n and (n+1) form a subpool of “U” format. If the format of one of the slots in the subpool needs to be reconfigured to an enhanced flexible format, slot n will be selected to reconfigure the format.

[0075] For example, there is a PDCCH in time slot 2, which schedules the PDSCH in time slot 4. The UE receives the PDSCH in time slot 4.

[0076] Example 3

[0077] refer to Figure 8 Slots 1 and 2 were initially configured in “D” format, and then reconfigured to an enhanced flexible format.

[0078] The UE can receive scheduled data channels via SPS. For example, such as Figure 8 As shown, there is an SPS-PDSCH opportunity in time slot 1. The UE receives the SPS-PDSCH in time slot 1.

[0079] For example, a PDCCH search space is configured in time slot 2. The UE can perform blind decoding of the PDCCH in the search space. The UE detects the PDCCH transmitted in the search space, and the PDCCH schedules the PUSCH in time slot 4. The UE can transmit the PUSCH in time slot 4.

[0080] Example 4

[0081] refer to Figure 9 Time slots 0 to 2, which form transmission resource sub-pool 902, are initially configured in "D" format. Time slot 4, which forms transmission resource sub-pool 904, is initially configured in "U" format.

[0082] Similar to Example 1, when a transport resource subpool is formed from resources in "D" format, the transport resource segments to be reconfigured (within the subpool) should be calculated starting from the last OFDM symbol or the last timeslot in the subpool. As an example, in Figure 9 In this context, the format of transport resource segment 906 with 25 OFDM symbols in sub-pool 902 needs to be reconfigured to a flexible format. The last 11 symbols in time slot 1 and all symbols in time slot 2 (which are the last 25 symbols in sub-pool 902) are selected as transport resource segments to be reconfigured.

[0083] When a transport resource subpool is formed from resources in "U" format, the transport resource segments to be reconfigured (within the subpool) should be calculated starting from the first OFDM symbol or the first timeslot in the subpool. For example, in Figure 9 In sub-pool 904, the format of transport resource segment 908 with 12 OFDM symbols needs to be reconfigured to an enhanced flexible format. The first 12 symbols in slot 4, which are also the first 12 symbols in sub-pool 904, are selected as the transport resource segments to be reconfigured.

[0084] After the format reconfiguration as described above, an SPS-PDSCH opportunity exists in time slot 4, and the UE receives the SPS-PDSCH in time slot 4. Note that time slot 4 was originally configured in "U" format. After the format reconfiguration, time slot 4 also supports DL transmission.

[0085] When a CG-PUSCH opportunity exists in time slot 2, the UE transmits the CG-PUSCH in time slot 2. Note that time slot 2 was originally configured in "D" format. After reconfiguring the format, time slot 2 also supports UL transmission.

[0086] Example 5

[0087] refer to Figure 10The time slots 0 to 2 that form the transmission resource sub-pool 1002 are initially configured in “D” format. The time slots 1 and 2 that form the transmission resource segment 1004 are reconfigured in a flexible format, which is the last 28 OFDM symbols (i.e., the last 2 time slots) of the sub-pool 1002.

[0088] In one implementation, once a transport resource segment is reconfigured to an enhanced flexible format, the service direction (DL or UL) of the transport resource segment (and any subset thereof) can be considered indeterminate and requires further signaling / messages from the base station to indicate the service direction. For example, as Figure 10 As shown, the two PDCCHs in time slot 0 are used to indicate the directions of two resource subsets in transport resource segment 1004. The first PDCCH indicates that five symbols in time slot 1 (resource subset 1006) serve UL, and the second PDCCH indicates that five symbols in time slot 2 (resource subset 1008) serve DL. In this disclosure, the transport resource subset in a transport resource segment may be less than or equal to the transport resource segment.

[0089] In one implementation, once a transport resource segment is reconfigured to an enhanced flexible format, the service direction (DL or UL) of the transport resource segment can inherit the direction defined by the original format of the transport resource segment. That is, if the base station does not send further signaling / messages indicating the service direction (to override the original format), the service direction of the transport resource segment defaults to the direction defined by the original format of the transport resource segment. If transmission in the reverse direction is expected, this default service direction can be overridden by further signaling / messages from the base station. For example, see [reference]. Figure 10 Slot 4, originally configured in "U" format, has been reconfigured to an enhanced flexible format. Without further signaling / messages from the base station, transmission resource segment 1010 (and any subset thereof) defaults to the UL direction. Signaling / messages to override the default UL direction are only required when segment 1010 (or a subset thereof) needs to be used for DL ​​transmission or reconfigured to DL format. In this embodiment, once the resource format is reconfigured to the enhanced flexible format, subsets within it can be assigned to either DL or UL format. For example, a subset could be periodic and set to DL format, with the UE expected to periodically power on its hardware circuitry for DL ​​reception within that subset. As another example, DL transmissions such as PDSCH could be scheduled into a subset used for a single DL transmission.

[0090] Example 6

[0091] refer to Figure 11The transmission resource pool 1102 is formed by time slots 0 to 4. In this transmission resource pool 1102, some resources need to be reconfigured to an enhanced flexible format, and certain rules need to be followed to select the resources to be reconfigured.

[0092] As a general rule, a resource's format cannot be reconfigured to the enhanced flexible format if a particular resource plan is used for one of the following:

[0093] • Community-specific configuration;

[0094] Semi-static configuration;

[0095] • Periodic configuration; or

[0096] • Data or signals with high priority.

[0097] For example, in Figure 11 In this configuration, sub-pools 1104 (time slots 0 to 2) and 1106 (time slot 4) are two candidate sub-pools from which resources to be reconfigured can be selected. In sub-pool 1104, two Synchronization Signal Blocks (SSBs) are scheduled in time slot 0. According to the selection rules, if an SSB is already scheduled in a time slot, that time slot may not be selected as a resource to be reconfigured. In sub-pool 1106, a Physical Random Access Channel (PRACH) is scheduled in time slot 4. Time slot 4 may not be selected as a resource to be reconfigured. Therefore, only time slots 1 to 2 in sub-pool 1104 can be selected and reconfigured to the enhanced flexible format.

[0098] Example 7

[0099] refer to Figure 12 In this embodiment, time slots 1 and 2 are reconfigured to an enhanced flexible format, which includes the last 28 OFDM symbols (i.e., the last two time slots) in transport resource sub-pool 1202. Time slot 4 is reconfigured to an enhanced flexible format, which includes the first 14 OFDM symbols in transport resource sub-pool 1204.

[0100] In one example, time slot 1 contains both a PDSCH (e.g., SPS-PDSCH, or dynamically scheduled PDSCH) and a PUSCH (e.g., CG-PUSCH, or dynamically scheduled PUSCH). That is, DL and UL transmissions are scheduled in time slot 1. Therefore, a conflict exists regarding transmission direction. Since time slot 1 was originally configured in "D" format for the DL direction, the PDSCH is considered to have higher priority than the PUSCH. In this case, the UE will discard the UL transmission and receive the DL transmission. In other words, the transmission direction consistent with the original format (before reconfiguration) takes precedence.

[0101] In another example, time slot 4 contains both a PDSCH (e.g., an SPS-PDSCH, or a dynamically scheduled PDSCH) and an SRS. Since time slot 4 was originally configured in a "U" format for the UL direction, the SRS is considered to have higher priority than the PDSCH. In this case, the UE will abandon the reception of the DL transmission and continue with the UL transmission. That is, the transmission direction consistent with the original format of the time slot takes precedence.

[0102] Example 8

[0103] refer to Figure 13 In this embodiment, time slots 1 and 2 are reconfigured to an enhanced flexible format, which includes the last 28 OFDM symbols (i.e., the last two time slots) in transport resource sub-pool 1302. Time slot 4 is reconfigured to an enhanced flexible format, which includes the first 14 OFDM symbols in transport resource sub-pool 1304.

[0104] In time slot 1, there are PDSCH (e.g., SPS-PDSCH, or dynamically scheduled PDSCH), PUSCH (e.g., CG-PUSCH, or dynamically scheduled PUSCH), and SRS. It is observed that there are more UL signals / channels (i.e., PUSCH and SRS) than DL signals / channels (i.e., PDSCH) in time slot 1. In this case, UL transmissions are considered to have higher priority than DL receptions because they occur more frequently. In this situation, the UE will abandon reception of DL transmissions and continue with UL transmissions.

[0105] Example 9

[0106] refer to Figure 14 In this embodiment, time slots 1 and 2 are reconfigured to an enhanced flexible format, which includes the last 28 OFDM symbols (i.e., the last two time slots) in the transport resource sub-pool 1402. Time slot 4 retains its original "U" format (for UL).

[0107] Uplink bandwidth portion (BWP) 1404 is configured in time slots 1 and 2. Another uplink BWP 1406 is configured in time slot 4. In this embodiment, the uplink BWP in the reconfigured transport resource segment shares the same BWP configuration as another uplink BWP in another transport resource segment, wherein the other transport resource segment is in its original format (not reconfigured format). For example, uplink BWP 1404 resides in the reconfigured transport resource segment formed by time slots 1 and 2 and may share the same BWP configuration as uplink BWP 1406, which resides in the transport resource segment formed by time slot 4 and retains its original "U" format.

[0108] Similarly, the downlink BWP in the reconfigured transport resource segment shares the same BWP configuration as another downlink BWP in another transport resource segment, wherein the other transport resource segment retains its original "D" (for DL) format.

[0109] In some implementations, the BWP configuration includes at least one of the following:

[0110] ·bandwidth;

[0111] • Center frequency;

[0112] • Configuration of control channels, wherein the control channels include at least one of a physical uplink control channel (PUCCH) or a physical downlink control channel (PDCCH);

[0113] • Configuration of the data channel, wherein the data channel includes at least one of the Physical Uplink Shared Channel (PUSCH) or the Physical Downlink Shared Channel (PDSCH); or

[0114] • Parameter set (Numerology).

[0115] The configuration of the control channel includes at least one of the following: search space configuration; or control resource set (CORESET) configuration.

[0116] In some implementations, the BWP described above is the active BWP.

[0117] In this embodiment, the UE can directly copy the BWP configuration from the existing BWP for the reconfigured transport resource segment without requiring further signaling from the base station.

[0118] Example 10

[0119] This embodiment is the opposite of Embodiment 9. (See reference...) Figure 15 In this embodiment, time slots 1 and 2 are reconfigured to an enhanced flexible format, which includes the last 28 OFDM symbols (i.e., the last two time slots) in the transport resource sub-pool 1402. Time slot 4 retains its original "U" format (for UL).

[0120] Uplink bandwidth portion (BWP) 1504 is configured in time slots 1 and 2. Another uplink BWP 1506 is configured in time slot 4. In this embodiment, the uplink BWP in the reconfigured transport resource segment has a different BWP configuration compared to another uplink BWP in another transport resource segment that retains its original format. For example, uplink BWP 1504 resides in the reconfigured transport resource segment formed by time slots 1 and 2, and has a different BWP configuration compared to uplink BWP 1506, which resides in the transport resource segment formed by time slot 4 and retains its original "U" format.

[0121] Similarly, the downlink BWP in the reconfigured transport resource segment has a different BWP configuration compared to another downlink BWP in another transport resource segment, where the other transport resource segment is its original "D" (for DL) format.

[0122] The BWP configuration is described in Example 9, and details are skipped here.

[0123] In the above embodiments, the transmission resources can be limited to a single cell or a single carrier.

[0124] The above description and accompanying drawings provide specific example embodiments and implementations. However, the described subject matter can be embodied in a variety of different forms, and therefore, the covered or claimed subject matter is intended to be construed as not being limited to any of the example embodiments set forth herein. A fairly broad scope is intended for the claimed or covered subject matter. Among other things, the subject matter can be embodied as a method, apparatus, component, system, or non-transitory computer-readable medium for storing computer code. Thus, embodiments can take the form of, for example, hardware, software, firmware, storage medium, or any combination thereof. For example, the method embodiments described above can be implemented by a component, apparatus, or system including a memory and a processor by executing computer code stored in said memory.

[0125] Throughout the specification and claims, terms may have implied or implicit meanings in the context, in addition to their expressly stated meanings. Similarly, the phrase "in one embodiment / implementation" as used herein does not necessarily refer to the same embodiment, and the phrase "in another embodiment / implementation" as used herein does not necessarily refer to a different embodiment. For example, the claimed subject matter is intended to include combinations of all or some of the exemplary embodiments.

[0126] Generally, terms can be understood, at least in part, from their usage in the context. For example, terms such as “and,” “or,” or “and / or,” as used herein, can include a wide variety of meanings that can depend, at least in part, on the context in which such terms are used. Generally, “or,” when used in a list of associations (such as A, B, or C), is intended to mean A, B, and C (in an inclusive sense) and A, B, or C (in an exclusive sense). Furthermore, the term “one or more,” as used herein, can be used, at least in part, to describe any feature, structure, or characteristic in a singular sense, or a combination of features, structures, or characteristics in a plural sense. Similarly, terms such as “a,” “an,” or “the” can be understood to convey a singular usage or to convey a plural usage, at least in part, on the context. Moreover, the term “based on” can be understood not necessarily to convey an exclusive set of factors, but instead may allow for the presence of additional factors that do not need to be explicitly described, again, at least in part, on the context.

[0127] References to features, advantages, or similar language anywhere in this specification do not imply that all features and advantages achievable with this technical solution are included or should be included in any single implementation thereof. Rather, language relating to features and advantages is to be understood as meaning that a particular feature, advantage, or characteristic described in connection with an embodiment is included in at least one embodiment of this technical solution. Therefore, discussions of features and advantages, and similar language anywhere in this specification may, but do not necessarily, refer to the same embodiments.

[0128] Furthermore, the features, advantages, and characteristics described in this technical solution can be combined in any suitable manner in one or more embodiments. In view of the description herein, those skilled in the art will recognize that this technical solution can be practiced without one or more specific features or advantages of a particular embodiment. In other instances, additional features and advantages that may not be present in all embodiments of this technical solution may be found in certain embodiments.

Claims

1. A wireless communication method performed by a wireless device, the method comprising: An initial format is determined for each time block of a transport resource pool, the transport resource pool comprising at least one sub-pool, the sub-pool comprising a first sub-pool, wherein the initial format indicates the initial transport direction configuration for each time block, wherein: The initial format of each time block of the transmission resource pool includes one of the following: downlink (DL) format, uplink (UL) format, or flexible format; Each time block in the first sub-pool has the same initial format; The initial format of the first sub-pool is either the DL format or the UL format; and The initial transmission direction of the first sub-pool is consistent with the initial format of the first sub-pool; and The transport resource segments in the first sub-pool are determined to be reconfigured from the initial format to an enhanced flexible format, wherein the enhanced flexible format includes the following enhancements to the flexible format: when the transport resource segment schedules both DL and UL transports simultaneously, the transport direction of the transport resource segment follows a conflict resolution mechanism.

2. The method according to claim 1, wherein: The DL format indicates that the associated transmission resources are dedicated to DL transmission; The UL format indicates that the associated transmission resources are dedicated to UL transmission; The flexible format indicates that the associated transmission resources can be used for both DL and UL transmissions; and The enhanced flexible format also includes at least one of the following enhancements to the flexible format: The enhanced flexible format inherits the default format from the initial format of the associated transport resource; or The enhanced flexible format provides a flexible bandwidth portion (BWP) configuration.

3. The method according to claim 1, wherein, The unit used for each time block of the transport resource pool includes at least one of the following: Time slot; or symbol.

4. The method according to claim 1, wherein, The transmission resource pool is configured to repeat periodically in the time domain.

5. The method according to claim 1, wherein, Any two adjacent sub-pools in the at least one sub-pool have different initial formats.

6. The method according to claim 1, wherein, The transmission resource segment comprises n symbols, which are consecutive in the time domain.

7. The method according to claim 6, wherein, The types of the n symbols include at least one of the following: Orthogonal Frequency Division Multiplexing (OFDM) symbols; Single-carrier frequency division multiple access (SC-FDMA) symbol; or Filter Bank Multiple Access (FBMA) symbol.

8. The method according to claim 6, wherein: In response to the initial format of the first sub-pool being the DL format, the n symbols are the last n symbols in the first sub-pool; and In response to the initial format of the first sub-pool being the UL format, the n symbols are the first n symbols in the first sub-pool.

9. The method according to claim 1, wherein, Determining the initial format of each time block of the transmission resource pool includes: Receive the first message from the network element; and The initial format of each time block of the transmission resource pool is determined based on the first message.

10. The method according to claim 9, wherein, The network element includes at least one of the following: Next-generation NodeB (gNB); Enhanced LTE eNB (ng-eNB); or Evolved NodeB (eNB).

11. The method according to claim 9, wherein, The first message includes at least one of the following: tdd-UL-DL-Configure Public Messages; or tdd-UL-DL - Configuration-specific message.

12. The method according to claim 1, wherein, Determining that the transport resource segment be reconfigured from the initial format to the enhanced flexible format includes: Receive the second message from the network element; and Based on the second message, it is determined that the transmission resource segment is reconfigured from the initial format to the enhanced flexible format.

13. The method according to claim 1, wherein, Determining that the transport resource segment be reconfigured from the initial format to the enhanced flexible format includes: Based on predetermined rules, the transmission resource segment is reconfigured from the initial format to the enhanced flexible format.

14. The method of claim 1, further comprising: Receive an instruction from a network element, the instruction indicating: A subset of the transport resource segments; and at least one of the following: The format of the subset of the transport resource segment includes one of the following: DL format; or UL format; or Transmissions scheduled for the subset of the transmission resource segment include one of the following: DL transfer; or UL transmission.

15. The method according to claim 14, wherein, The instruction indicates at least one of the following: The temporal domain information of the subset of the transmission resource segment; or Frequency domain information of the subset of the transmission resource segment.

16. The method of claim 14, wherein, The instruction includes at least one of the following: Dynamically scheduled messages, including downlink control information (DCI) messages; Semi-static configuration messages; DL semi-persistent scheduling (SPS) scheduling message; or UL Configuration Authorization (CG) scheduling message.

17. The method of claim 1, further comprising: In response to receiving an indication from a network element that a subset of the transmission resource segments in the time and frequency domains is scheduled for transmission, wherein the scheduled transmission includes DL transmission or UL transmission, and the direction of the scheduled transmission is different from the initial transmission direction of the first sub-pool, the subset of the transmission resource segments is used to perform a transmission task or a reception task in a direction consistent with the direction of the scheduled transmission.

18. The method of claim 1, further comprising: In response to the absence of an indication that a subset of the transmission resource segment is scheduled for UL transmission or DL ​​transmission or configured for DL ​​or UL format, it is determined that the transmission direction associated with the subset follows the initial transmission direction of the first sub-pool.

19. The method according to claim 1, wherein, Determining that the transport resource segments in the first sub-pool are reconfigured from the initial format to the enhanced flexible format includes: The transmission resource segment is determined not to overlap with resources allocated to one of the following: Community-specific configuration; Semi-static configuration; Periodic configuration; or Data or signals with high priority; and The transport resource segments in the first sub-pool are determined to be reconfigured from the initial format to the enhanced flexible format.

20. The method of claim 1, further comprising: It is determined that at least one DL transmission and at least one UL transmission are scheduled on the same time block located in the transmission resource segment; In response to the initial transmission direction of the transmission resource segment being DL, the at least one scheduled UL transmission is discarded, and the at least one DL transmission is received; and In response to the initial transmission direction of the transmission resource segment being UL, the at least one scheduled DL transmission is discarded, and the at least one UL transmission is sent.

21. The method of claim 1, further comprising: It is determined that j DL transmissions and k UL transmissions are scheduled at the same OFDM symbol located in the transmission resource segment, where j and k are positive integers; In response to j being greater than k, discard the k UL transmissions and receive the j DL transmissions; and In response to j being less than k, discard the j DL transmissions and send the k UL transmissions.

22. The method according to claim 1, wherein, The transport resource segment includes a first BWP of DL or UL, and the method further includes: The BWP configuration of the first BWP is determined to be the same as that of a second BWP in a second sub-pool of the at least one sub-pool, wherein the second sub-pool has the same initial orientation as the orientation associated with the first BWP, and the BWP configuration includes at least one of the following: bandwidth; Center frequency; Configuration of control channels, wherein the control channels include at least one of a physical uplink control channel (PUCCH) or a physical downlink control channel (PDCCH); The configuration of the data channel, wherein the data channel includes at least one of the Physical Uplink Shared Channel (PUSCH) or the Physical Downlink Shared Channel (PDSCH); or Parameter set (Numerology).

23. The method according to claim 22, wherein, The configuration of the control channel includes at least one of the following: Search space configuration; or Control resource set (CORESET) configuration.

24. The method according to claim 1, wherein, The transport resource segment includes a first BWP for DL ​​or UL, and the method further includes: The BWP configuration of the first BWP is determined to be different from that of the second BWP in the second sub-pool of the at least one sub-pool, wherein the second sub-pool has the same initial orientation as the orientation associated with the first BWP.

25. A wireless communication method performed by a network element, the method comprising: An initial format is determined for each time block of a transport resource pool, the transport resource pool comprising at least one sub-pool, the sub-pool comprising a first sub-pool, wherein the initial format indicates the initial transport direction configuration for each time block, wherein: The initial format of each time block of the transmission resource pool includes one of the following: downlink (DL) format, uplink (UL) format, or flexible format; Each time block in the first sub-pool has the same initial format; The initial format of the first sub-pool is either the DL format or the UL format; and The initial transmission direction of the first sub-pool is consistent with the initial format of the first sub-pool; and The transport resource segments in the first sub-pool are determined to be reconfigured from the initial format to an enhanced flexible format, wherein the enhanced flexible format includes the following enhancements to the flexible format: when the transport resource segment schedules both DL and UL transports simultaneously, the transport direction of the transport resource segment follows a conflict resolution mechanism.

26. The method of claim 25, wherein: The DL format indicates that the associated transmission resources are dedicated to DL transmission; The UL format indicates that the associated transmission resources are dedicated to UL transmission; The flexible format indicates that the associated transmission resources can be used for both DL and UL transmissions; and The enhanced flexible format also includes at least one of the following enhancements to the flexible format: The enhanced flexible format inherits the default format from the initial format of the associated transport resource; or The enhanced flexible format provides a flexible bandwidth portion (BWP) configuration.

27. The method according to claim 25, wherein, The unit used for each time block of the transport resource pool includes at least one of the following: Time slot; or symbol.

28. The method according to claim 25, wherein, The transmission resource pool is configured to repeat periodically in the time domain.

29. The method according to claim 25, wherein, Any two adjacent sub-pools in the at least one sub-pool have different initial formats.

30. The method according to claim 25, wherein, The transmission resource segment comprises n symbols, which are consecutive in the time domain.

31. The method according to claim 30, wherein, The types of the n symbols include at least one of the following: Orthogonal Frequency Division Multiplexing (OFDM) symbols; Single-carrier frequency division multiple access (SC-FDMA) symbol; or Filter Bank Multiple Access (FBMA) symbol.

32. The method of claim 30, wherein: In response to the initial format of the first sub-pool being the DL format, the n symbols are the last n symbols in the first sub-pool; and In response to the initial format of the first sub-pool being the UL format, the n symbols are the first n symbols in the first sub-pool.

33. The method of claim 25, further comprising: Send a first message to the user terminal (UE) indicating the initial format of each time block of the transport resource pool.

34. The method according to claim 33, wherein, The network element includes at least one of the following: Next-generation NodeB (gNB); Enhanced LTE eNB (ng-eNB); or Evolved NodeB (eNB).

35. The method according to claim 33, wherein, The first message includes at least one of the following: tdd-UL-DL-Configure Public Messages; or tdd-UL-DL - Configuration-specific message.

36. The method of claim 25, further comprising: A second message is sent to the UE, the second message instructing the transmission resource segment to be reconfigured from the initial format to the enhanced flexible format.

37. The method according to claim 25, wherein, Determining that the transport resource segment be reconfigured from the initial format to the enhanced flexible format includes: Based on predetermined rules, the transmission resource segment is reconfigured from the initial format to the enhanced flexible format.

38. The method of claim 25, further comprising sending an indication to the UE, the indication indicating: A subset of the transport resource segments; and at least one of the following: The format of the subset of the transport resource segment includes one of the following: DL format; or UL format; or Transmissions scheduled for the subset of the transmission resource segment include one of the following: DL transfer; or UL transmission.

39. The method according to claim 38, wherein, The instruction indicates at least one of the following: The temporal domain information of the subset of the transmission resource segment; or Frequency domain information of the subset of the transmission resource segment.

40. The method of claim 38, wherein, The instruction includes at least one of the following: Dynamically scheduled messages, including downlink control information (DCI) messages; Semi-static configuration messages; DL semi-persistent scheduling (SPS) scheduling message; or UL Configuration Authorization (CG) scheduling message.

41. The method of claim 25, further comprising: An indication is sent to the UE, the indication indicating a subset of the transmission resource segments in the time and frequency domains that are scheduled for transmission, the scheduled transmission including DL transmission or UL transmission, and the direction of the scheduled transmission is different from the initial transmission direction of the first sub-pool.

42. The method according to claim 25, wherein, The transport resource segment includes a first BWP of DL or UL, and the method further includes: The BWP configuration of the first BWP is determined to be the same as that of a second BWP in a second sub-pool of the at least one sub-pool, wherein the second sub-pool has the same initial orientation as the orientation associated with the first BWP, and the BWP configuration includes at least one of the following: bandwidth; Center frequency; Configuration of control channels, wherein the control channels include at least one of a physical uplink control channel (PUCCH) or a physical downlink control channel (PDCCH); The configuration of the data channel, wherein the data channel includes at least one of the Physical Uplink Shared Channel (PUSCH) or the Physical Downlink Shared Channel (PDSCH); or Parameter set (Numerology).

43. The method according to claim 42, wherein, The configuration of the control channel includes at least one of the following: Search space configuration; or Control resource set (CORESET) configuration.

44. The method according to claim 25, wherein, The transport resource segment includes a first BWP for DL ​​or UL, and the method further includes: The BWP configuration of the first BWP is determined to be different from that of the second BWP in the second sub-pool of the at least one sub-pool, wherein the second sub-pool has the same initial orientation as the orientation associated with the first BWP.

45. A device for wireless communication, comprising a memory for storing computer instructions and a processor for communicating with said memory, wherein, When the processor executes the computer instructions, the processor is configured to implement the method according to any one of claims 1 to 44.

46. ​​A computer program product comprising a non-transitory computer-readable program medium having computer code stored thereon, the computer code causing the one or more processors, when executed by the processors, to implement the method according to any one of claims 1 to 44.

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