Enhancement of uplink transmissions

Abstract

There are provided enhanced measures for uplink transmissions. Such measures exemplarily comprise, at a terminal, transmitting a first message indicating a half-symbol transmission capability of the terminal, receiving a configuration for half-symbol transmission, and transmitting a signal in a portion of a symbol located in a particular period between a first resource and a second resource based on the configuration.

Description

Technical Field

[0001] Various exemplary embodiments relate to enhancement of uplink transmission. More specifically, various exemplary embodiments exemplarily relate to measures (including methods, apparatus and computer program products) for achieving enhancement of uplink transmission. Background Art

[0002] The present description generally relates to improved utilization of radio resources.

[0003] The 3rd Generation Partnership Project (3GPP) New Radio (NR) currently supports two duplex modes: frequency division duplex (FDD) for paired bands and time division duplex (TDD) for unpaired bands.

[0004] In TDD, time domain resources are divided between downlink (DL) and uplink (UL). In TDD, allocation of uplink resources for a limited time duration will result in reduced uplink coverage, increased latency and reduced uplink capacity.

[0005] Therefore, there is a push for the evolution of duplex operation in NR that addresses some of the above challenges. The approach is to allow simultaneous DL transmission (Tx) and UL reception (Rx) on different physical resource blocks (PRBs) within an unpaired wideband NR cell.

[0006] Figure 7 A schematic diagram of example duplex modes and corresponding resource partitioning is shown, and specifically frequency-time resource partitioning in the case of FDD, in the case of TDD, and in the case of flexible duplexing (FDU), which is also called cross-division duplexing (xDD) or sub-band non-overlapping full duplexing (SBFD). SBFD allows simultaneous DL transmission and UL reception on different PRBs within an unpaired wideband NR cell.

[0007] In NR, the timing of a user equipment (UE) whose UL transmissions are offset relative to its DL reception is called an offset called Timing Advance (TA).

[0008] Figure 8 is a schematic diagram showing timing advance (in NR).

[0009] TA(T TA ) is configured by the network as a UE-specific TA command (N TA *T c ) (absolute or relative) and cell-specific TA offset (N TA,offset *T c ) and: T TA =(N TA +NTA,offset )T c

[0010] In other words, the UE determines the TA as the sum of the cell-specific TA offset and the UE-specific TA command (absolute or relative), which is sent via the Random Access Response (RAR) message (N TA =T A ·16·64 / 2 μ , where T A =0, 1, 2, ..., 3846) or in a medium access control element (MAC CE) (N TA_new =N TA_old +(T A -31)·16·64 / 2 μ , where T A =0, 1, 2, ..., 63) as indicated.

[0011] Cell-specific TA offset (N TA,offset ) can be configured by the network in system information block 1 (SIB1) (n-TimingAdvanceOffset).

[0012] If the serving cell does not provide n-TimingAdvanceOffset, the UE assumes a TA offset in the following table:

[0013] From the first row, it can be seen that in the case of TDD in FR1 without LTE-NR coexistence, the value of the cell-specific TA offset is 25600*Tc=13.03us.

[0014] T c It is 0.509ns.

[0015] While UE-specific TAs are typically used to compensate for propagation delays so that the reception of UL signals from different UEs can be synchronized, a cell-specific TA offset is introduced to shift the relative timing between UL and DL so that the system overhead required to allow a half-duplex UE to switch from DL reception to UL transmission (and vice versa) can be minimized.

[0016] The minimum switching time required for a UE to switch from DL to UL is defined (3GPP TS 38.211, clause 4.3.2) as N Tx_Rx *T c , where N Tx_Rx For frequency range 1 (FR1) 25600, and for frequency range 2 (FR2) 13792. By the way, according to this definition, the minimum switching time required for a UE from UL to DL is N Tx_Rx *T c , where NTx_Rx Against FR1 25600, and also against FR213792.

[0017] A UE not capable of full-duplex communication does not expect to receive a signal earlier than N after the end of the last received downlink symbol in the same cell. Rx-Tx T c Transmission is performed in the uplink, where N Rx-Tx T c As described above.

[0018] A UE not capable of full-duplex communication is not expected to receive a signal earlier than N after the end of the last transmitted uplink symbol in the same cell. Rx-Tx T c Reception is performed in the downlink, where N Rx-Tx T c As described above.

[0019] For FR1, this results in a switching time of approximately 13.03 μs.

[0020] In Figure 9 (N TA,offset >0) and Figure 10(N TA,offset = 0) shows the use of N TA,offset >0(25600*Tc=13.03us) to reduce the overhead caused by UL to DL and UL to DL switching from two orthogonal frequency division multiple access (OFDMA) symbols to one OFDMA symbol. Here, FIG9 ( Figure 9a and Figure 9b ) is a schematic diagram showing exemplary uplink-downlink timing, and in particular represents a UL-DL timing diagram for TDD operation, wherein N TA -Offset = 13us. In addition, Figure 10 ( Fig.10a and Fig.10b ) is a schematic diagram showing exemplary uplink-downlink timing, and in particular represents a UL-DL timing diagram for TDD operation, in which there is no N TA -Offset.

[0021] This assumes that the maximum propagation delay between the gNB and the UE is less than or equal to (OS-N TA,offset -N Rx-Tx T c ) / 2, where OS is the length of an OFDMA symbol. For a subcarrier spacing (SCS) of 30kHz, this corresponds to a maximum propagation delay of about 5us, i.e. corresponding to a cell radius of ca. 1.5km (or the UE location must be within this range). For larger cell sizes, the overhead reduction is from n+1 to n OFDMA symbols, where n depends on the cell size.

[0022] When N TA,offset > 0, when the gNB is simultaneously receiving in the UL and transmitting in the DL during the SBFD slot, there may be a Fast Fourier Transform (FFT) time misalignment with SBFD between UL Rx and DL Tx. Not having the same subcarrier grid and symbol timing in DL and UL may lead to increased cross-link interference (CLI) (gNB self-interference), or at least make it more difficult for the gNB to perform self-interference cancellation in the digital domain.

[0023] In order to achieve time alignment between UL and DL signals at the gNB, it is possible to consider using N TA,offset =0.

[0024] However, this has two major limitations.

[0025] That is, first, it increases the required overhead when switching from DL to UL and from UL to DL (similar to the problem outlined above with reference to FIG. 10 ).

[0026] Secondly, although in principle N TA,offset It can be configured by the network via the parameter n-TimingAdvanceOffset to any value among 0, 25600*Tc and 39936*Tc, but in practice, legacy UEs always assume the values ​​specified in the table above (for the corresponding frequency range and coexistence scenario), regardless of what the network indicates in the system information.

[0027] Therefore, setting N TA,offset = 0 may cause backward compatibility issues with legacy devices.

[0028] In view of this, it is possible to consider setting N for SBFD time slots and TDD time slots. TA,offset Figure 11( Fig.11a and Fig.11b ) is a schematic diagram showing exemplary uplink-downlink timing, and in particular represents a UL-DL timing diagram for SBFD operation, where N in a TDD (UL) time slot TA -Offset = 13us and no N in SBFD slot TA -Offset (i.e., N TA-Offset = 0us). However, changing the TA offset from 0us in the SBFD slot to, for example, 13us in the TDD (UL) slot may result in an overlap between the UL transmission in the last symbol of the SBFD slot and the UL transmission in the first symbol of the TDD (UL) slot. When switching between TDD (DL) and SBFD and then back to TDD (UL), puncturing (or rate matching around) the UL transmission in the last symbol of the SBFD slot will result in one additional symbol being lost.

[0029] Therefore, a problem arises in which security, performance and resource conservation integration is required to provide sub-band non-overlapping full-duplex.

[0030] Therefore, there is a need to provide enhancements in uplink transmission. Summary of the invention

[0031] Various example embodiments are directed to addressing at least some of the above-mentioned issues and / or problems and disadvantages.

[0032] Various aspects of example embodiments are set out in the accompanying claims.

[0033] According to an exemplary aspect, a method for a terminal in a mobile network is provided, the method comprising: sending a first message indicating a half-symbol transmission capability of the terminal, receiving a configuration for half-symbol transmission, and based on the configuration, sending a signal in a portion of a symbol in a specific period located between a first resource and a second resource.

[0034] According to an exemplary aspect, a method is provided, the method comprising: receiving a first message indicating a half-symbol transmission capability of a terminal from a terminal, preparing a configuration for half-symbol transmission based on the first message, and sending the configuration to the terminal.

[0035] According to an exemplary aspect, a device of a terminal in a mobile network is provided, the device comprising: a transmitting circuit configured to send a first message indicating a half-symbol transmission capability of the terminal, and a receiving circuit configured to send a configuration for half-symbol transmission, wherein the transmitting circuit is configured to send a signal in a portion of a symbol in a specific period between a first resource and a second resource based on the configuration.

[0036] According to an exemplary aspect, a device is provided, which includes: a receiving circuit configured to receive a first message indicating a half-symbol transmission capability of the terminal from a terminal, a preparation circuit configured to prepare a configuration for half-symbol transmission based on the first message, and a sending circuit configured to send the configuration to the terminal.

[0037] According to an exemplary aspect, a device of a terminal in a mobile network is provided, the device comprising: at least one processor, at least one memory including computer program code, and at least one interface, configured to communicate with at least one other device, the at least one processor together with the at least one memory and the computer program code being configured to cause the device to execute: sending a first message indicating a half-symbol transmission capability of the terminal, receiving a configuration for half-symbol transmission, and based on the configuration, sending a signal in a portion of a symbol in a specific period between a first resource and a second resource.

[0038] According to an exemplary aspect, a device of a terminal in a mobile network is provided, the device comprising: at least one processor, at least one memory including computer program code, and at least one interface, configured to communicate with at least one other device, the at least one processor together with the at least one memory and the computer program code being configured to cause the device to execute: receiving a first message indicating a half-symbol transmission capability of the terminal from the terminal, preparing a configuration for half-symbol transmission based on the first message, and sending the configuration to the terminal.

[0039] According to an exemplary aspect, a computer program product is provided, which includes a computer executable computer program code. When the program is run on a computer (for example, a computer of an apparatus according to any one of the aforementioned apparatus-related exemplary aspects of the present disclosure), the computer executable computer program code is configured to cause the computer to execute a method according to any one of the aforementioned method-related exemplary aspects of the present disclosure.

[0040] Such a computer program product may include (or be embodied in) a (tangible) computer-readable (storage) medium or the like having computer-executable computer program code stored thereon, and / or the program may be directly loadable into an internal memory of a computer or its processor.

[0041] When SBFD is applied, any of the above aspects can also effectively utilize radio resources, thereby solving at least part of the problems and disadvantages associated with the prior art.

[0042] As an example embodiment, enhancement of uplink transmission is provided. More specifically, as an example embodiment, measures and mechanisms for achieving enhancement of uplink transmission are provided.

[0043] Thus, improvements are achieved through enhanced methods, apparatus, and computer program products that enable / implement uplink transmissions. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] In the following, the present disclosure will be described in more detail by way of non-limiting examples with reference to the accompanying drawings, in which

[0045] Figure 1 is a block diagram illustrating an apparatus according to an example embodiment,

[0046] Figure 2 is a block diagram illustrating an apparatus according to an example embodiment,

[0047] Figure 3 is a block diagram illustrating an apparatus according to an example embodiment,

[0048] Figure 4 is a block diagram illustrating an apparatus according to an example embodiment,

[0049] Figure 5 is a schematic diagram of a process according to an example embodiment,

[0050] Figure 6 is a schematic diagram of a process according to an example embodiment,

[0051] Figure 7 is a diagram of example duplex modes and corresponding resource partitioning,

[0052] Figure 8 is a schematic diagram showing timing advance,

[0053] Figure 9 Figure 9a and 9b ) is a schematic diagram showing exemplary uplink-downlink timing,

[0054] Figure 10 Fig.10a and Fig.10b ) is a schematic diagram showing exemplary uplink-downlink timing,

[0055] Figure 11 Fig.11a and Fig.11b ) is a schematic diagram showing exemplary uplink-downlink timing,

[0056] Figure 12 Fig.12a and Figure 12b ) is a schematic diagram illustrating exemplary uplink-downlink timing according to an example embodiment,

[0057] Fig.13 is a schematic diagram of a process according to an example embodiment, and

[0058] Fig.14 is a block diagram alternatively illustrating an apparatus according to an example embodiment. DETAILED DESCRIPTION

[0059] The present disclosure is described herein with reference to specific non-limiting examples and embodiments that are presently considered to be conceivable. It will be appreciated by those skilled in the art that the present disclosure is by no means limited to these examples and can be applied more broadly.

[0060] It should be noted that the following description of the present disclosure and its embodiments mainly refer to specifications used as non-limiting examples of certain exemplary network configurations and deployments. That is, the present disclosure and its embodiments are mainly described with respect to 3GPP specifications, which are used as non-limiting examples of certain exemplary network configurations and deployments. Therefore, the description of the example embodiments given herein specifically refers to terms directly related thereto. Such terms are used only in the context of the non-limiting examples presented and naturally do not limit the present disclosure in any way. On the contrary, any other communication or communication-related system deployment, etc., may also be utilized as long as the features described herein are met.

[0061] In the following, several variations and / or alternatives are used to describe various embodiments and implementations of the present disclosure and aspects or embodiments thereof. It should generally be noted that, according to certain needs and constraints, all described variations and / or alternatives may be provided individually or in any conceivable combination (also including combinations of individual features of various variations and / or alternatives).

[0062] According to example embodiments, generally speaking, enhanced measures and mechanisms for (enabling / realizing) uplink transmissions are provided.

[0063] In summary, a low complexity method and mechanism for half-symbol transmission in the beginning of a UL transmission burst is provided, aiming to reduce the overhead required for DL-to-UL and UL-to-DL switching with SBFD operation which requires FFT alignment between UL Rx and DL Tx at the gNB (at least during the SBFD timeslots).

[0064] The proposed methods and mechanisms rely on the UE utilizing the second portion of the guard period (e.g., the second half of the guard period) for transmitting data on half the number of subcarriers within its allocated bandwidth (enabling half-OFDMA symbol transmission in the guard period between DL reception and UL transmission and / or between two consecutive UL transmissions using different TA offsets in SBFD) without burdening the gNB receiver with separate FFT processing of the half symbol.

[0065] In the context of SBFD, the protection periods are: - a symbol or a portion of a symbol used in the transition from DL transmission / reception in a TDD DL slot to UL reception / transmission in a SBFD slot, and - A symbol or a part of a symbol used in conversion from UL transmission / reception in a SBFD slot to UL transmission / reception in a TDD UL slot.

[0066] By enabling half OFDMA symbol transmission in the guard period, the number of unused resources during the transition between DL transmission / reception and UL reception / transmission can be reduced from 1 symbol to half a symbol, for example. Thus, a reduction in overhead and gain in UL or DL ​​performance can be obtained.

[0067] When it is referred to as a specific guard symbol in this specification, this is intended to also include a more general guard period which may include a guard symbol or a portion of a guard symbol.

[0068] The proposed method and mechanism also provide a solution for SBFD operation, where N TA,offst different values ​​of .

[0069] In short, according to example embodiments, methods and mechanisms are provided to utilize the UE half-symbol (half OFDMA symbol, half OFDM symbol, half OS) transmission capability.

[0070] On the transmitter side, according to an exemplary embodiment, the UE constructs a half OS having a duration of half of the original orthogonal frequency division multiplexing (OFDM) symbol occupying the same bandwidth, and transmits the half OS in the second half of the original OFDM symbol without a cyclic prefix (CP). As an option, based on the network configuration, the UE can also perform half OS transmission including the CP.

[0071] On the receiver side (gNB), according to an example embodiment, since the UE does not transmit in the first OFDM half-symbol, there is no inter-symbol interference in the second half-symbol. This eliminates the need for special FFT processing of the half-symbol since there is no CP. In some cases, such as when the delay spread of the channel is large (e.g., 300ns or more), having CP can be beneficial, requiring the gNB to perform separate FFT processing.

[0072] Figure 12 Fig.12a and Figure 12b ) is a schematic diagram illustrating exemplary uplink-downlink timing according to an example embodiment, and in particular represents a UL-DL timing diagram for SBFD operation, with different N in SBFD and TDD UL time slots. TA -Offset, where half-OS transmission is enabled in the transition between TDD DL and SBFD timeslots and between SBFD and TDD UL timeslots.

[0073] According to an example embodiment, the UE signals the half-symbol transmission capability of the UE to the gNB, and the gNB uses the indication for UE configuration related to half-symbol transmission. According to an example embodiment, the UE configuration is achieved using a radio resource control (RRC) configuration or using downlink control information (DCI).

[0074] Specifically, according to an example embodiment, UE capabilities signaled to the gNB are provided indicating the ability to transmit on half of the OFDM symbol.

[0075] Furthermore, according to an example embodiment, the gNB uses this capability indication as a prerequisite for configuring new UE operations that depend on such capability.

[0076] In addition, according to an example embodiment, the gNB uses RRC configuration (e.g., a 1-bit flag per serving cell or bandwidth part (BWP)) to instruct the UE to perform half-OS transmission in the start of UL transmission when UL transmission starts (as shown in Figure 12). - in a SBFD timeslot immediately following a DL transmission in a TDD DL timeslot, or - in a TDD UL timeslot immediately following a UL transmission in a SBFD timeslot.

[0077] According to an example embodiment, for a case where UL transmission starts in an SBFD slot immediately after DL transmission in a TDD DL slot and for a case where UL transmission starts in a TDD UL slot immediately after UL transmission in an SBFD slot, an instruction to perform half-OS transmission in the start of UL transmission is signaled separately. According to another example embodiment, an instruction to perform half-OS transmission in the start of UL transmission is signaled jointly for both cases.

[0078] Alternatively or additionally, according to an example embodiment, the gNB uses a 1-bit field in a DCI scheduling UL transmission (e.g., DCI format 0_x scheduling a physical uplink shared channel (PUSCH)) to indicate to the UE whether to apply half-OS transmission in the first OFDM symbol of the UL transmission.

[0079] RRC based configuration may be more suitable for semi-statically configured UL transmissions, such as, for example, configured grant physical uplink shared channel (CG-PUSCH) and sounding reference signal (SRS).

[0080] As an example, half-OS transmission may be configured for a CG-PUSCH transmission starting in the first SBFD slot immediately following a TDD DL slot, and / or for a CG-PUSCH transmission starting in the first TDD UL slot immediately following a SBFD slot (and / or spanning the first TDD UL slot).

[0081] As another example, the UE may be configured to transmit the Half-OS SRS in an OFDMA symbol preceding the first UL SBFD slot immediately following the TDD DL slot and / or in an OFDMA symbol preceding the first UL TDD slot immediately following the SBFD slot.

[0082] DCI-based indication may be best suited for dynamically scheduled UL transmissions. Compared to using RRC signaling, DCI-based indication provides the gNB with more control over when to apply or not apply new UE operations.

[0083] In case of DCI-based indication, other possibilities for signaling are also possible, for example, based on a radio network temporary identifier (RNTI) for scrambling the corresponding cyclic redundancy check (CRC) of the DCI. As an example, half-symbol transmission according to an example embodiment is applied only if the CRC of the DCI scheduled for UL transmission is scrambled with a specific (network-configured) RNTI (e.g., an existing modulation coding scheme cell RNTI (MCS-C-RNTI) or a new RNTI defined for this purpose).

[0084] According to another example embodiment, the gNB receives dynamic support from the UE to decide whether to enable the half-OS function in the transition from the TDD DL slot to the SBFD slot. In order to enable the UE to perform half-OS transmission in the protection period between DL reception and UL transmission, the condition " + half OS duration < protection period". However, the actual TA at the UE may not always be known at the gNB with absolute accuracy, requiring the UE to dynamically inform the gNB whether the above condition is met.

[0085] To achieve this, according to an example embodiment, the UE dynamically reports (via uplink control information (UCI) or MAC CE) whether the condition “ + half OS duration < protection period". In this case, a 1-bit flag will be sufficient for reporting. Note that this embodiment may also be useful in the case where the gNB knows the actual TA used at the UE, but the UE is able to report faster than specified in the minimum requirement (i.e., faster than Faster) to perform Rx-Tx switching.

[0086] Alternatively, according to an example embodiment, the UE dynamically reports (via UCI or MAC-CE) the entire number To allow the gNB to determine the length of the gap required by the UE.

[0087] According to another example embodiment, the UE applies half-OS transmission when the first symbol allocated to UL transmission is configured as a SBFD symbol and it is the first SBFD symbol or the second SBFD symbol after a DL symbol, where whether it is the first SBFD symbol or the second SBFD symbol after the DL symbol is configured by the network via RRC.

[0088] According to another example embodiment, for a case where the first symbol allocated to UL transmission is configured as a UL symbol and it is the first UL symbol after a SBFD symbol and the UL transmission is confined within a frequency resource for UL transmission in the SBFD symbol, the UE applies semi-OS transmission.

[0089] According to a further example embodiment, the symbol or symbols to which the half-OS transmission is to be applied are explicitly indicated by the gNB. To date, new system information blocks (SIBs) / RRC signaling or "tdd-dl-ul-configCommon", "tdd-dl-ul-configDedicated" RRC signaling or an extension of DCI2_0 (Slot Format Indicator (SFI)) are used. In principle, according to such an example embodiment, the gNB indicates in advance to the UE the DL-UL switching point of the used TDD configuration.

[0090] While the above example embodiments focus on a binary type of signaling (i.e., apply or not apply Half-OS symbol transmission), additional example embodiments also include: the gNB may further indicate (i.e., further instruct) the UE whether to include the CP in the Half-OS transmission (in other words, such functionality may be combined with any of the disclosed example embodiments). In this case, the gNB will perform different FFT processing (for the Half-OS symbols and the other part of the transmission) upon reception. In other words, according to such example embodiments, not two but three possible instructions may be indicated to the UE: i) apply Half-OS transmission, ii) apply Half-OS transmission and include CP, and iii) do not apply Half-OS transmission. Therefore, according to an example embodiment, an additional bit is utilized in the signaling between the gNB and the UE to indicate the inclusion / exclusion of CP.

[0091] Example embodiments are specified in more detail below.

[0092] Figure 11 is a block diagram showing an apparatus according to an example embodiment. The apparatus may be a terminal 10, such as a user equipment (or a network entity embodying such functionality) including a transmitting circuit 11 and a receiving circuit 12. The transmitting circuit 11 transmits a first message indicating a half-symbol transmission capability of the terminal. The receiving circuit 12 receives a configuration for half-symbol transmission. The transmitting circuit 11 (or an additional transmitting circuit) transmits a signal in a portion of a symbol in a specific period between a first resource and a second resource based on the configuration. Figure 5 is a schematic diagram of a process according to an example embodiment. Figure 1 The device can perform Figure 5 method, but not limited to this method. Figure 5 The method can be Figure 1 The present invention is performed by a device, but is not limited to being performed by the device.

[0093] like Figure 5 As shown, the process according to the example embodiment includes an operation of sending (S51) a first message indicating a half-symbol transmission capability of a terminal, an operation of receiving (S52) a configuration for half-symbol transmission, and an operation of sending (S53) a signal in a portion of a symbol in a specific period located between a first resource and a second resource based on the configuration.

[0094] Figure 2 is a block diagram illustrating an apparatus according to an example embodiment. In particular, Figure 2 Shows Figure 1 Thus, according to Figure 2 The device may further include an application circuit 21.

[0095] In an embodiment, Figure 1 (or Figure 2 ) can be shared between two physically separate devices forming an operational entity. Therefore, it can be seen that the apparatus depicts an operational entity including one or more physically separate devices for performing at least some of the processes described.

[0096] according to Figure 5 A variation of the process shown in , exemplary additional operations are given, which themselves are independent of each other. According to this variation, the exemplary method according to the exemplary embodiment may include the operation of sending information related to the timing advance at the terminal.

[0097] According to another example embodiment, the information related to the timing advance at the terminal includes at least one of the following: the timing advance at the terminal, the sum of the timing advance at the terminal and the minimum downlink-uplink switching time of the terminal, and an indication that the condition that the sum of the timing advance at the terminal, the minimum downlink-uplink switching time of the terminal, and the duration of the signal in the specific period is less than the duration of the specific period is satisfied.

[0098] according to Figure 5 A variation of the process shown in , exemplary additional operations are given, which are themselves independent of each other. According to this variation, an exemplary method according to an exemplary embodiment may include the operation of receiving an instruction to report said information related to said timing advance at a terminal.

[0099] According to a further example embodiment, the configuration comprises a radio resource configuration indicating a type of the first resource and a type of the second resource.

[0100] According to a further example embodiment, the radio resource configuration indicates a type of a third resource following the second resource.

[0101] According to a further example embodiment, the configuration comprises downlink control information scheduling uplink transmission and indicating whether half-symbol transmission is applied to the uplink transmission.

[0102] According to a further example embodiment, the configuration indicates symbols to which half-symbol transmission is to be applied.

[0103] According to further exemplary embodiments, the configuration is comprised in a system information block.Alternatively, according to further exemplary embodiments, the configuration is comprised in a radio resource configuration.

[0104] according to Figure 5 A variation of the process shown in , exemplary additional operations are given, which are themselves independent of each other. According to this variation, the configuration indicates whether a cyclic prefix is ​​applied to the signal in the specific period, and the exemplary method according to the exemplary embodiment may include the following operations: if the configuration indicates that the cyclic prefix is ​​to be applied to the signal in the specific period, the cyclic prefix is ​​applied to the signal in the specific period.

[0105] According to a further example embodiment, the first resource is a downlink resource.

[0106] According to further example embodiments, the first resource is a sub-band non-overlapping full-duplex resource.

[0107] According to a further example embodiment, the second resource is an uplink resource.

[0108] According to further example embodiments, the second resource is a sub-band non-overlapping full-duplex resource.

[0109] According to further example embodiments, the portion of the specific period is the second half of the specific period.

[0110] According to a further example embodiment, the half-symbol transmission capability of the terminal is associated with a frequency band or a combination of frequency bands.

[0111] According to a further example embodiment, the specific period is a guard period including at least a portion of a guard symbol.

[0112] According to another example embodiment, for the scheduled uplink transmission, when the sum of the timing advance at the terminal, the terminal minimum downlink-uplink switching time, and the duration of the signal in the first specific period as the specific period is not less than the duration of the first specific period, the signal is sent in a part of the symbol in the second specific period as the specific period located after the first specific period. According to another example embodiment, the second specific period can be a sub-band non-overlapping full-duplex symbol or an uplink symbol respectively after the guard period.

[0113] according to Figure 5 A variation of the process shown in , exemplary additional operations are given, which are themselves independent of each other. According to this variation, the exemplary method according to the exemplary embodiment may include an operation of receiving a conditional configuration, which defines the reception of the configuration for half-symbol transmission as a condition for applying the half-symbol transmission.

[0114] Figure 3 3 is a block diagram showing an apparatus according to an exemplary embodiment. The apparatus may be a network node 30, such as a base station (or a network entity embodying such a function), which includes a receiving circuit 31, a preparing circuit 32 and a sending circuit 33. The receiving circuit 31 receives a first message indicating the half-symbol transmission capability of the terminal from a terminal. The preparing circuit 32 prepares a configuration for half-symbol transmission based on the first message. The sending circuit 33 sends the configuration to the terminal. Figure 6 is a schematic diagram of a process according to an example embodiment. Figure 3 The device can perform Figure 6 method, but not limited to this method. Figure 6 The method can be Figure 3 The present invention is performed by a device, but is not limited to being performed by the device.

[0115] like Figure 6As shown, the process according to the example embodiment includes: an operation of receiving (S61) a first message indicating the half-symbol transmission capability of the terminal from a terminal, an operation of preparing (S62) a configuration for half-symbol transmission based on the first message, and an operation of sending (S63) the configuration to the terminal.

[0116] Figure 4 is a block diagram illustrating an apparatus according to an example embodiment. In particular, Figure 4 Shows Figure 3 Thus, according to Figure 4 The device may further include a determination circuit 41, a decoding circuit 42 and / or an execution circuit 43.

[0117] In an embodiment, Figure 3 (or Figure 4 ) can be shared between two physically separate devices forming an operational entity. Therefore, it can be seen that the apparatus depicts an operational entity including one or more physically separate devices for performing at least some of the processes described.

[0118] according to Figure 6 A variation of the process shown in , exemplary additional operations are given, which are themselves independent of each other. According to this variation, the exemplary method according to the exemplary embodiment may include receiving information related to the timing advance at the terminal. Here, the preparation is based on the information.

[0119] according to Figure 6 A variation of the process shown in , exemplary additional operations are given, which are independent of each other. According to this variation, the information related to the timing advance at the terminal includes: the timing advance at the terminal, or the sum of the timing advance at the terminal and the minimum downlink-uplink switching time of the terminal, and the method according to the example embodiment may include the following operations: determining based on the message whether the condition that the sum of the timing advance at the terminal, the minimum downlink-uplink switching time of the terminal, and the duration of the signal in the specific period is less than the duration of the specific period is satisfied.

[0120] According to another example embodiment, the information related to the timing advance at the terminal indicates whether the condition that the timing advance at the terminal, the terminal minimum downlink-uplink switching time, and the sum of the durations of signals in a specific period between the first resource and the second resource is less than the duration of the specific period is met.

[0121] according to Figure 6A variation of the process shown in , exemplary additional operations are given, which themselves are independent of each other. According to this variation, the exemplary method according to the exemplary embodiment may include the operation of sending an instruction to report said information related to the timing advance at the terminal.

[0122] according to Figure 6 A variation of the process shown in , giving exemplary additional operations, which are themselves independent of each other. According to this variation, the exemplary method according to the exemplary embodiment may include the operation of receiving a signal in a portion of a symbol in the specific period from the terminal.

[0123] according to Figure 6 A variation of the process shown in , exemplary additional operations are given, which are themselves independent of each other. According to this variation, the exemplary method according to the exemplary embodiment may include an operation of decoding the signal.

[0124] According to a further example embodiment, the configuration comprises a radio resource configuration indicating a type of the first resource and a type of the second resource.

[0125] According to a further example embodiment, the radio resource configuration indicates a type of a third resource following the second resource.

[0126] According to a further example embodiment, the configuration comprises downlink control information scheduling uplink transmission and indicating whether half-symbol transmission is applied to the uplink transmission.

[0127] According to a further example embodiment, the configuration indicates symbols to which half-symbol transmission is to be applied.

[0128] According to further exemplary embodiments, the configuration is comprised in a system information block.Alternatively, according to further exemplary embodiments, the configuration is comprised in a radio resource configuration.

[0129] according to Figure 6 A variation of the process shown in , exemplary additional operations are given, which are themselves independent of each other. According to this variation, the configuration indicates whether a cyclic prefix is ​​applied to the signal in the specific period, and the exemplary method according to the exemplary embodiment may include the following operations: in the case where the configuration indicates that the cyclic prefix is ​​to be applied to the signal in the specific period, performing a fast Fourier transform preparation process to remove the cyclic prefix from the signal in the specific period.

[0130] According to a further example embodiment, the specific period is a guard period including at least a portion of a guard symbol.

[0131] According to another example embodiment, for the scheduled uplink transmission, when the sum of the timing advance at the terminal, the terminal minimum downlink-uplink switching time, and the duration of the signal in the first specific period as the specific period is not less than the duration of the first specific period, the configuration indicates that half-symbol transmission is to be applied to the second specific period as the specific period after the first specific period. According to another example embodiment, the second specific period can be a sub-band non-overlapping full-duplex symbol or an uplink symbol respectively after the guard period.

[0132] According to a further example embodiment, the first resource is a downlink resource.

[0133] According to further example embodiments, the first resource is a sub-band non-overlapping full-duplex resource.

[0134] According to a further example embodiment, the second resource is an uplink resource.

[0135] According to further example embodiments, the second resource is a sub-band non-overlapping full-duplex resource.

[0136] According to further example embodiments, the portion of the specific period is the second half of the specific period.

[0137] According to a further example embodiment, the half-symbol transmission capability of the terminal is associated with a frequency band or a combination of frequency bands.

[0138] according to Figure 6 A variation of the process shown in , giving exemplary additional operations, which are themselves independent of each other. According to this variation, an exemplary method according to an exemplary embodiment may include: an operation of sending a conditional configuration, the conditional configuration defining the reception of the configuration for half-symbol transmission as a condition for applying the half-symbol transmission.

[0139] The example embodiments summarized and specified above are explained below in more specific terms.

[0140] Fig.13 is a schematic diagram of a process according to an example embodiment, and specifically illustrates example UE operations according to an example embodiment.

[0141] Fig.13 A specific example of UE operation consistent with the example embodiments briefly outlined above is shown.

[0142] In an example UE operation according to an example embodiment, in step S131, the UE indicates a capability to perform uplink transmission on half of an OFDM symbol. This capability may be applicable to "any band" or may be reported per band of a band combination.

[0143] For the semi-OS function to be applicable at the UE side during the transition from the DL time slot to the SBFD time slot, the TA at the UE should not exceed a specific value, i.e., + semi-OS duration < guard period.

[0144] The gNB transmits the TA to the UE via signaling, but the UE can also apply some autonomous adjustments to the TA.

[0145] Therefore, in the exemplary UE operation according to the exemplary embodiment, in step S132, the UE reports whether the condition “ + semi-OS duration < guard period” (or alternatively, the condition “ < half_symbol_time”) is satisfied, and / or reports the quantity “ + semi-OS duration (or alternatively, the quantity ).

[0146] Depending on the gNB implementation, the gNB may know the TA applied at the UE. In this case, there is no need to report the condition “ + semi-OS duration < guard period” from the UE to the gNB (since the gNB has all the information it needs to calculate). Therefore, in the exemplary UE operation according to the exemplary embodiment, step S132 is indicated as optional.

[0147] In the case where the gNB does not know the actual TA applied at the UE, according to the exemplary embodiment, the UE is configured or instructed to report TA-related information to the gNB.

[0148] In the exemplary UE operation according to the exemplary embodiment, in step S133, the UE receives configuration information indicating the UE conditions for performing transmissions on the semi-OFDM symbols.

[0149] The “conditions” for applying the semi-OS function are described above, and the “conditions” include: - RRC signaling (e.g., 1-bit flag per serving cell or BWP), - 1-bit field in the DCI scheduling UL transmissions (e.g., DCI format 0_x for scheduling PUSCH), - Explicitly indicating the UL-DL handover point by extending to tdd-dl-ul-configCommon, tdd-dl-ul- configDedicated RRC signaling and / or SFI signaling in DCI2_0, or - based on the determination result of the allocated symbols for UL transmissions regarding UL / DL / flexible semi-static TDD symbols.

[0150] In example UE operations according to example embodiments, in step S134, if one or more conditions are satisfied, the UE performs transmission on half of the OFDM symbol.

[0151] According to an example embodiment, the gNB instructs the UE to perform half-OS transmission in the first symbol of UL transmission starting in a SBFD slot immediately following the TDD DL slot, for example, in a case where the indicated UL transmission (e.g., Physical Uplink Control Channel (PUCCH) / PUSCH / SRS) would not satisfy the restrictions specified in 3GPP TS 38.211, clause 4.3.2 if full OS transmission would be applied.

[0152] Therefore, according to an example embodiment, a higher layer parameter (eg, "halfOS-Tx") may be specified (as a configuration to perform half OS transmission) and provided to the UE in this case.

[0153] For this case, according to example embodiments, it may be specified / foreseen that a UE not capable of full-duplex communication is not expected to receive a UE received earlier than N after the end of the last received downlink symbol in the same cell. Rx-Tx T c Transmission is performed in the uplink, where N Rx-Tx Given by Table 4.3.2-3 of 3GPP TS 38.211 (25600 for FR1, 13792 for FR2). If the UE is provided with the higher layer parameter "halfOS-Tx" and is instructed to perform a non-compliance with the switching time N Rx-Tx If the UE performs uplink transmission in the first OFDM symbol of the transmission, the UE performs half-OFDM symbol transmission.

[0154] The above processes and functions can be implemented by corresponding functional elements, processors, etc., as described below.

[0155] In the foregoing exemplary description of the network entity, only the units relevant to understanding the principles of the present disclosure are described using functional blocks. The network entity may include additional units necessary for its corresponding operation. However, the description of these units is omitted in this specification. The arrangement of the functional blocks of the device is not to be construed as limiting the present disclosure, and the functions may be performed by one block or further divided into sub-blocks.

[0156] When in the foregoing description it is stated that an apparatus (i.e. a network node / entity (or some other component)) is configured to perform some functions, this will be interpreted as being equivalent to a description stating that (i.e. at least one) processor or corresponding circuitry (potentially in cooperation with computer program code stored in a memory of the corresponding apparatus) is configured to cause the apparatus to perform at least the functions so mentioned. Moreover, such functions should be interpreted as being equivalently implementable by circuits or components specifically configured for performing the corresponding functions (i.e. the expression "a unit configured to..." is interpreted as being equivalent to expressions such as "components for...").

[0157] exist Fig.14 In FIG. 1 , an alternative diagram of an apparatus according to an example embodiment is depicted. Fig.14 As shown, according to an exemplary embodiment, the device (terminal) 10' (corresponding to the terminal 10) includes a processor 141, a memory 142, and an interface 143 connected via a bus 144, etc. In addition, according to an exemplary embodiment, the device (network node) 30' (corresponding to the network node 30) includes a processor 145, a memory 146, and an interface 147 connected via a bus 148, etc., and the devices can be connected via links 149, respectively.

[0158] The processor 141 / 145 and / or the interface 143 / 147 may also include a modem, etc., to facilitate communication via a (hardwired or wireless) link, respectively. The interface 143 / 147 may include a suitable transceiver coupled to one or more antennas or communication components for communicating with a linked or connected device (hardwired or wireless), respectively. The interface 143 / 147 is typically configured to communicate with at least one other device (i.e., its interface).

[0159] The memory 142 / 146 may store a corresponding program assumed to include program instructions or computer program codes that, when executed by a corresponding processor, enable a corresponding electronic device or apparatus to operate according to example embodiments.

[0160] Generally speaking, the corresponding devices / apparatuses (and / or parts thereof) may represent components for performing corresponding operations and / or exhibiting corresponding functionality, and / or the corresponding devices (and / or parts thereof) may have functions for performing corresponding operations and / or exhibiting corresponding functionality.

[0161] When in the subsequent description it is stated that a processor (or some other component) is configured to perform a certain function, this is to be interpreted as equivalent to a description stating that at least one processor (potentially in cooperation with computer program code stored in a memory of the corresponding device) is configured to cause the device to perform at least the function so mentioned. Furthermore, such functions should be interpreted as being equivalently implementable by specifically configured components for performing the corresponding functions (i.e., the expression "a processor configured to [cause the device] to perform xxx-ing" is interpreted as equivalent to expressions such as "components for xxx-ing").

[0162] According to an exemplary embodiment, the device representing the terminal 10 includes at least one processor 141, at least one memory 142 including computer program code, and at least one interface 143 configured to communicate with at least another device. The processor (i.e., at least one processor 141 having at least one memory 142 and computer program code) is configured to perform sending a first message indicating the half-symbol transmission capability of the terminal (therefore, the device includes corresponding components for sending), to perform receiving a configuration for half-symbol transmission (therefore, the device includes corresponding components for receiving), and based on the configuration, to perform sending a signal in a part of a symbol in a specific period located between a first resource and a second resource.

[0163] According to an example embodiment, the device representing the network node 30 comprises at least one processor 145, at least one memory 146 including computer program code, and at least one interface 147 configured to communicate with at least another device. The processor (i.e., at least one processor 145 having at least one memory 146 and computer program code) is configured to perform the following operations: receiving a first message indicating a half-symbol transmission capability of the terminal from a terminal (the device thus comprises corresponding components for receiving); preparing a configuration for half-symbol transmission based on the first message (the device thus comprises corresponding components for preparing); and sending the configuration to the terminal (the device thus comprises corresponding components for sending).

[0164] For further details on the operability / functionality of each device, refer to the above combination Figures 1 to 13 A description of any of the graphs in .

[0165] For the purposes of the present disclosure as described above, it should be noted that - the method steps that may be implemented as software code portions and executed at a network server or network entity using a processor (as an example of a device, apparatus and / or its modules, or as an example of an entity including apparatus and / or modules) are software code independent and may be specified using any known or future developed programming language as long as the functionality defined by the method steps is preserved; - generally, any method step is suitable for being implemented as software or by hardware without changing the idea of ​​the embodiment and its modification in terms of the implemented functionality; - the method steps and / or devices, units or parts that may be implemented as hardware components at the apparatus defined above, or any module thereof (e.g., devices that perform the functions of the apparatus according to the embodiments as described above) are hardware-independent and may be implemented using any known or future developed hardware technology or any mixture of these, such as MOS (Metal Oxide Semiconductor), CMOS (Complementary MOS), BiMOS (Bipolar MOS), BiCMOS (Bipolar CMOS), ECL (Emitter Coupled Logic), TTL (Transistor-Transistor Logic), etc., using, for example, ASIC (Application Specific IC (Integrated Circuit)) components, FPGA (Field Programmable Gate Array) components, CPLD (Complex Programmable Logic Device) components or DSP (Digital Signal Processor) components; - devices, units or components (e.g. the network entity or network register defined above, or any of their respective units / components) may be implemented as separate devices, units or components, but this does not exclude that they are implemented in a distributed manner throughout the system, as long as the functionality of the device, unit or component is preserved; - Apparatus such as user equipment and network entity / network register may be represented by a semiconductor chip, a chipset or a (hardware) module comprising such a chip or chipset; however, this does not exclude the possibility that the functionality of the apparatus or module (rather than being hardware-implemented) is implemented as software in a (software) module, such as a computer program or a computer program product comprising executable software code portions for execution / running on a processor; - For example, a device may be considered as a means or an assembly of more than one means, whether functionally cooperating with each other or functionally independent of each other but in the same device housing.

[0166] In general, it should be noted that the corresponding functional blocks or elements according to the aspects described above can be implemented in hardware and / or software by any known components, respectively, if only suitable for performing the described functions of the corresponding parts. The mentioned method steps can be implemented in separate functional blocks or by separate devices, or one or more method steps can be implemented in a single functional block or by a single device.

[0167] Generally, any method step is suitable for being implemented as software or by hardware without changing the idea of ​​the present disclosure. Devices and components can be implemented as individual devices, but this does not exclude their implementation in a distributed manner throughout the system, as long as the functionality of the device is preserved. This and similar principles are considered to be known to those skilled in the art.

[0168] In the sense of this specification, software includes such software code, which includes code components or parts or a computer program or computer program product for performing corresponding functions, and software (or computer program or computer program product) embodied on a tangible medium (such as a computer-readable (storage) medium) on which the corresponding data structures or code components / parts are stored, or potentially embodied in a signal or in a chip during its processing.

[0169] The present disclosure also covers any conceivable combination of the above method steps and operations, and any conceivable combination of the above nodes, devices, modules or elements, as long as the concepts of the above methods and structural arrangements are applicable.

[0170] In view of the above, enhanced measures for uplink transmission are provided. Such measures exemplarily include: at a terminal, sending a first message indicating the half-symbol transmission capability of the terminal, receiving a configuration for half-symbol transmission, and based on the configuration, sending a signal in a portion of a symbol in a specific period between a first resource and a second resource.

[0171] Although the present disclosure is described above with reference to the examples according to the accompanying drawings, it should be understood that the present disclosure is not limited thereto. On the contrary, it is obvious to those skilled in the art that the present disclosure can be modified in many ways without departing from the scope of the inventive concept disclosed herein. List of abbreviations and acronyms 3GPP Third Generation Partnership Project BWP Bandwidth Part CLI Cross Link Interference Granted PUSCH configured with CG-PUSCH CP Cyclic Prefix CRC Cyclic Redundancy Check DCI Downlink Control Information DL Downlink FDD Frequency Division Duplex FDU Flexible Duplex FFT Fast Fourier Transform FR1 Frequency Range 1 FR2 Frequency Range 2 MAC CE Medium Access Control Element MCS-C-RNTI Modulation and coding scheme cell RNTI NR New Radio OFDM Orthogonal Frequency Division Multiplexing OFDMA Orthogonal Frequency Division Multiple Access PRB Physical Resource Block PUCCH Physical Uplink Control Channel PUSCH Physical Uplink Shared Channel RAR Random Access Response RNTI Radio Network Temporary Identifier RRC Radio Resource Control Rx SBFD Sub-Band Non-Overlapping Full-Duplex SCS Subcarrier Spacing SFI Slot Format Indicator SIB System Information Block SIB1 System Information Block 1 SRS Sounding Reference Signal TA Timing Advance TDD Time Division Duplex Tx Transmission UCI Uplink Control Information UE User Equipment UL Uplink xDD Cross Division Duplex

Claims

1. A method for a terminal in a mobile network, the method comprising sending a first message indicating a half-symbol transmission capability of the terminal, receive a configuration for half symbol transmission, and Based on the configuration, a signal is transmitted in a portion of symbols in a specific period located between the first resource and the second resource.

2. The method according to claim 1, further comprising Information related to a timing advance at the terminal is sent.

3. The method according to claim 2, wherein The information related to the timing advance at the terminal includes at least one of the following: the timing advance at the terminal, The sum of the timing advance at the terminal and the terminal minimum downlink-uplink switching time, and An indication that a condition that the timing advance at the terminal, the terminal minimum downlink-uplink switching time, and the sum of the durations of the signals in the specific period is less than the duration of the specific period is satisfied.

4. The method according to claim 2 or 3, further comprising An instruction is received to report the information related to the timing advance at the terminal.

5. The method according to any one of claims 1 to 4, wherein The configuration comprises a radio resource configuration indicating a type of the first resource and a type of the second resource.

6. The method according to claim 5, wherein The radio resource configuration indicates a type of a third resource following the second resource.

7. The method according to any one of claims 1 to 4, wherein The configuration includes downlink control information that schedules uplink transmission and indicates whether half-symbol transmission is applied to the uplink transmission.

8. The method according to any one of claims 1 to 4, wherein The configuration indicates the symbols to which half-symbol transmission is to be applied.

9. The method according to claim 8, wherein The configuration is included in the system information block, or The configuration is included in a radio resource configuration.

10. The method according to any one of claims 1 to 9, wherein The configuration indicates whether a cyclic prefix is ​​applied to the signal in the specific period, and the method further includes In case the configuration indicates that the cyclic prefix is ​​to be applied to the signal in the specific period, the cyclic prefix is ​​applied to the signal in the specific period.

11. The method according to any one of claims 1 to 10, wherein The first resource is a downlink resource, and / or The first resource is a sub-band non-overlapping full-duplex resource, and / or The second resource is an uplink resource, and / or The second resource is a sub-band non-overlapping full-duplex resource, and / or The portion of the specific period is the second half of the specific period.

12. The method according to any one of claims 1 to 11, wherein The half-symbol transmission capability of the terminal is associated with a frequency band or a combination of frequency bands.

13. The method according to any one of claims 1 to 12, wherein The specific period is a guard period including at least a portion of a guard symbol.

14. The method according to any one of claims 1 to 12, wherein For the scheduled uplink transmission, the signal is sent in a part of a symbol in a second specific period which is the specific period and is located after the first specific period, when the sum of the timing advance at the terminal, the minimum downlink-uplink switching time of the terminal, and the duration of the signal in the first specific period is not less than the duration of the first specific period.

15. The method according to any one of claims 1 to 14, further comprising: include: A conditional configuration is received, the conditional configuration defining reception of the configuration for half-symbol transmission as a condition for applying the half-symbol transmission.

16. A method, include: receiving a first message from a terminal indicating a half-symbol transmission capability of the terminal, preparing a configuration for half-symbol transmission based on the first message, and The configuration is sent to the terminal.

17. The method according to claim 16, further comprising receiving information related to a timing advance at the terminal, wherein The preparing is based on the information.

18. The method according to claim 17, wherein The information related to the timing advance at the terminal include: The timing advance at the terminal, or The sum of the timing advance at the terminal and the terminal minimum downlink-uplink switching time, and the method further includes Based on the message, it is determined whether a condition that the timing advance at the terminal, the terminal minimum downlink-uplink switching time, and the sum of the durations of the signals in the specific period is less than the duration of the specific period is satisfied.

19. The method according to claim 17, wherein The information related to the timing advance at the terminal indicates whether the condition that the timing advance at the terminal, the terminal minimum downlink-uplink switching time, and the sum of the durations of signals in a specific period between the first resource and the second resource is less than the duration of the specific period is met.

20. The method according to any one of claims 17 to 19, further comprising An instruction is sent to report the information related to the timing advance at the terminal.

21. The method according to any one of claims 16 to 20, further comprising A signal in a portion of symbols in the specific period is received from the terminal.

22. The method according to claim 21, further comprising The signal is decoded.

23. The method according to claim 21 or 22, wherein The configuration comprises a radio resource configuration indicating a type of the first resource and a type of the second resource.

24. The method according to claim 23, wherein The radio resource configuration indicates a type of a third resource following the second resource.

25. The method according to claim 21 or 22, wherein The configuration includes downlink control information that schedules uplink transmission and indicates whether half-symbol transmission is applied to the uplink transmission.

26. The method according to claim 21 or 22, wherein The configuration indicates the symbols to which half-symbol transmission is to be applied.

27. The method according to claim 26, wherein The configuration is included in the system information block, or The configuration is included in a radio resource configuration.

28. The method according to any one of claims 21 to 27, wherein The configuration indicates whether a cyclic prefix is ​​applied to the signal in the specific period, and the method further includes In a case where the configuration indicates that the cyclic prefix is ​​to be applied to the signal in the specific period, a fast Fourier transform preparation process of removing the cyclic prefix from the signal in the specific period is performed.

29. The method according to any one of claims 21 to 28, wherein The specific period is a guard period including at least a portion of a guard symbol.

30. The method according to any one of claims 21 to 29, wherein For the scheduled uplink transmission, when the sum of the timing advance at the terminal, the terminal minimum downlink-uplink switching time, and the duration of the signal in the first specific period as the specific period is not less than the duration of the first specific period, the configuration indicates that half-symbol transmission is to be applied to the second specific period as the specific period after the first specific period.

31. The method according to any one of claims 21 to 30, wherein The first resource is a downlink resource, and / or The first resource is a sub-band non-overlapping full-duplex resource, and / or The second resource is an uplink resource, and / or The second resource is a sub-band non-overlapping full-duplex resource, and / or The portion of the specific period is the second half of the specific period.

32. The method according to any one of claims 16 to 31, wherein The half-symbol transmission capability of the terminal is associated with a frequency band or a combination of frequency bands.

33. The method according to any one of claims 16 to 32, further comprising A conditional configuration is sent, the conditional configuration defining reception of the configuration for half-symbol transmission as a condition for applying the half-symbol transmission.

34. A device for a terminal in a mobile network, the device include: a transmitting circuit configured to transmit a first message indicating a half-symbol transmission capability of the terminal, and A receiving circuit configured to transmit a configuration for half symbol transmission, wherein The transmitting circuit is configured to transmit a signal in a portion of a symbol in a specific period located between the first resource and the second resource based on the configuration.

35. The device according to claim 34, further comprising The transmitting circuit is configured to transmit information related to the timing advance at the terminal.

36. The device according to claim 35, wherein The information related to the timing advance at the terminal includes at least one of the following: the timing advance at the terminal, The sum of the timing advance at the terminal and the terminal minimum downlink-uplink switching time, and An indication that a condition that the timing advance at the terminal, the terminal minimum downlink-uplink switching time, and the sum of the durations of the signals in the specific period is less than the duration of the specific period is satisfied.

37. The device according to claim 35 or 36, further comprising The receiving circuit is configured to receive an instruction to report the information related to the timing advance at the terminal.

38. The device according to any one of claims 34 to 37, wherein The configuration comprises a radio resource configuration indicating a type of the first resource and a type of the second resource.

39. The device according to claim 38, wherein The radio resource configuration indicates a type of a third resource following the second resource.

40. The device according to any one of claims 34 to 37, wherein The configuration includes downlink control information that schedules uplink transmission and indicates whether half-symbol transmission is applied to the uplink transmission.

41. The device according to any one of claims 34 to 37, wherein The configuration indicates the symbols to which half-symbol transmission is to be applied.

42. The device according to claim 41, wherein The configuration is included in the system information block, or The configuration is included in a radio resource configuration.

43. The device according to any one of claims 34 to 42, wherein The configuration indicates whether a cyclic prefix is ​​applied to the signal in the specific period, and the apparatus further comprises An application circuit is configured to apply the cyclic prefix to the signal in the specific period if the configuration indicates that the cyclic prefix is ​​to be applied to the signal in the specific period.

44. The device according to any one of claims 34 to 43, wherein The first resource is a downlink resource, and / or The first resource is a sub-band non-overlapping full-duplex resource, and / or The second resource is an uplink resource, and / or The second resource is a sub-band non-overlapping full-duplex resource, and / or The portion of the specific period is the second half of the specific period.

45. The device according to any one of claims 34 to 44, wherein The half-symbol transmission capability of the terminal is associated with a frequency band or a combination of frequency bands.

46. ​​The device according to any one of claims 34 to 45, wherein The specific period is a guard period including at least a portion of a guard symbol.

47. The device according to any one of claims 34 to 45, wherein For the scheduled uplink transmission, the signal is sent in a part of a symbol in a second specific period which is the specific period and is located after the first specific period, when the sum of the timing advance at the terminal, the minimum downlink-uplink switching time of the terminal, and the duration of the signal in the first specific period is not less than the duration of the first specific period.

48. The method according to any one of claims 34 to 47, further comprising The receiving circuit is configured to receive a conditional configuration, the conditional configuration defining reception of the configuration for half-symbol transmission as a condition for applying the half-symbol transmission.

49. A device comprising a receiving circuit configured to receive a first message indicating a half-symbol transmission capability of the terminal from the terminal, a preparation circuit configured to prepare a configuration for half-symbol transmission based on the first message, and The sending circuit is configured to send the configuration to the terminal.

50. The device according to claim 49, further comprising A receiving circuit is configured to receive information related to the timing advance at the terminal, wherein The preparing is based on the information.

51. The device according to claim 50, wherein The information related to the timing advance at the terminal include: The timing advance at the terminal, or The sum of the timing advance at the terminal and the minimum downlink-uplink switching time of the terminal, and the device also includes A determination circuit is configured to determine whether the conditions that the timing advance at the terminal, the minimum downlink-uplink switching time of the terminal, and the sum of the durations of the signals in the specific period is less than the duration of the specific period are met based on the message.

52. The device of claim 50, wherein The information related to the timing advance at the terminal indicates whether the condition that the timing advance at the terminal, the terminal minimum downlink-uplink switching time, and the sum of the durations of signals in a specific period between the first resource and the second resource is less than the duration of the specific period is met.

53. The device according to any one of claims 50 to 52, further comprising The transmitting circuit is configured to transmit an instruction to report the information related to the timing advance at the terminal.

54. The device according to any one of claims 49 to 53, further comprising The receiving circuit is configured to receive a signal in a part of a symbol in the specific period from the terminal.

55. The device according to claim 54, further comprising The decoding circuit is configured to decode the signal.

56. The device according to claim 54 or 55, wherein The configuration comprises a radio resource configuration indicating a type of the first resource and a type of the second resource.

57. The device according to claim 56, wherein The radio resource configuration indicates a type of a third resource following the second resource.

58. The device according to claim 54 or 55, wherein The configuration includes downlink control information that schedules uplink transmission and indicates whether half-symbol transmission is applied to the uplink transmission.

59. The device according to claim 54 or 55, wherein The configuration indicates the symbols to which half-symbol transmission is to be applied.

60. The device according to claim 59, wherein The configuration is included in the system information block, or The configuration is included in a radio resource configuration.

61. The device according to any one of claims 54 to 60, wherein The configuration indicates whether a cyclic prefix is ​​applied to the signal in the specific period, and the apparatus further comprises An execution circuit is configured to: if the configuration indicates that the cyclic prefix is ​​to be applied to the signal in the specific period, perform a fast Fourier transform preparation process of removing the cyclic prefix from the signal in the specific period.

62. The device according to any one of claims 54 to 61, wherein The specific period is a guard period including at least a portion of a guard symbol.

63. The device according to any one of claims 54 to 62, wherein For the scheduled uplink transmission, when the sum of the timing advance at the terminal, the terminal minimum downlink-uplink switching time, and the duration of the signal in the first specific period as the specific period is not less than the duration of the first specific period, the configuration indicates that half-symbol transmission is to be applied to the second specific period as the specific period after the first specific period.

64. The device according to any one of claims 54 to 63, wherein The first resource is a downlink resource, and / or The first resource is a sub-band non-overlapping full-duplex resource, and / or The second resource is an uplink resource, and / or The second resource is a sub-band non-overlapping full-duplex resource, and / or The portion of the specific period is the second half of the specific period.

65. The device according to any one of claims 49 to 64, wherein The half-symbol transmission capability of the terminal is associated with a frequency band or a combination of frequency bands.

66. The device according to any one of claims 49 to 65, further comprising The transmitting circuit is configured to transmit a conditional configuration, the conditional configuration defining reception of the configuration for half-symbol transmission as a condition for applying the half-symbol transmission.

67. A device for a terminal in a mobile network, the device include: at least one processor, at least one memory including computer program code, and at least one interface configured to communicate with at least another device, The at least one processor together with the at least one memory and the computer program code is configured to cause the apparatus to perform: sending a first message indicating a half-symbol transmission capability of the terminal, receive a configuration for half symbol transmission, and Based on the configuration, a signal is transmitted in a portion of symbols in a specific period located between the first resource and the second resource.

68. The device according to claim 67, wherein The at least one processor together with the at least one memory and the computer program code is configured to cause the apparatus to perform: Information related to a timing advance at the terminal is sent.

69. The device according to claim 68, wherein The information related to the timing advance at the terminal includes at least one of the following: the timing advance at the terminal, The sum of the timing advance at the terminal and the terminal minimum downlink-uplink switching time, and An indication that a condition that the timing advance at the terminal, the terminal minimum downlink-uplink switching time, and the sum of the durations of the signals in the specific period is less than the duration of the specific period is satisfied.

70. The device according to claim 68 or 69, wherein The at least one processor together with the at least one memory and the computer program code is configured to cause the apparatus to perform: An instruction is received to report the information related to the timing advance at the terminal.

71. The device according to any one of claims 67 to 70, wherein The configuration comprises a radio resource configuration indicating a type of the first resource and a type of the second resource.

72. The device according to claim 71, wherein The radio resource configuration indicates a type of a third resource following the second resource.

73. The device according to any one of claims 67 to 70, wherein The configuration includes downlink control information that schedules uplink transmission and indicates whether half-symbol transmission is applied to the uplink transmission.

74. The device according to any one of claims 67 to 70, wherein The configuration indicates the symbols to which half-symbol transmission is to be applied.

75. The device according to claim 74, in, The configuration is included in the system information block, or The configuration is included in a radio resource configuration.

76. The device according to any one of claims 67 to 75, wherein The configuration indicates whether a cyclic prefix is ​​applied to the signal in the specific period, and The at least one processor together with the at least one memory and the computer program code is configured to cause the apparatus to perform: In case the configuration indicates that the cyclic prefix is ​​to be applied to the signal in the specific period, the cyclic prefix is ​​applied to the signal in the specific period.

77. The device according to any one of claims 67 to 76, wherein The first resource is a downlink resource, and / or The first resource is a sub-band non-overlapping full-duplex resource, and / or The second resource is an uplink resource, and / or The second resource is a sub-band non-overlapping full-duplex resource, and / or The portion of the specific period is the second half of the specific period.

78. The device according to any one of claims 67 to 77, wherein The half-symbol transmission capability of the terminal is associated with a frequency band or a combination of frequency bands.

79. The device according to any one of claims 67 to 78, wherein The specific period is a guard period including at least a portion of a guard symbol.

80. The device according to any one of claims 67 to 78, wherein For the scheduled uplink transmission, the signal is sent in a part of a symbol in a second specific period which is the specific period and is located after the first specific period, when the sum of the timing advance at the terminal, the minimum downlink-uplink switching time of the terminal, and the duration of the signal in the first specific period is not less than the duration of the first specific period.

81. The device according to any one of claims 67 to 80, wherein The at least one processor together with the at least one memory and the computer program code is configured to cause the apparatus to perform: A conditional configuration is received, the conditional configuration defining reception of the configuration for half-symbol transmission as a condition for applying the half-symbol transmission.

82. A device comprising at least one processor, at least one memory including computer program code, and at least one interface configured to communicate with at least another device, The at least one processor together with the at least one memory and the computer program code is configured to cause the apparatus to perform: receiving a first message from a terminal indicating a half-symbol transmission capability of the terminal, preparing a configuration for half-symbol transmission based on the first message, and The configuration is sent to the terminal.

83. The device according to claim 82, wherein The at least one processor together with the at least one memory and the computer program code is configured to cause the apparatus to perform: receiving information related to a timing advance at the terminal, wherein The preparing is based on the information.

84. The device of claim 83, wherein The information related to the timing advance at the terminal include: The timing advance at the terminal, or The sum of the timing advance at the terminal and the terminal minimum downlink-uplink switching time, and The at least one processor together with the at least one memory and the computer program code is configured to cause the apparatus to perform: Based on the message, it is determined whether a condition that the timing advance at the terminal, the terminal minimum downlink-uplink switching time, and the sum of the durations of the signals in the specific period is less than the duration of the specific period is satisfied.

85. The device of claim 83, wherein The information related to the timing advance at the terminal indicates whether the condition that the timing advance at the terminal, the terminal minimum downlink-uplink switching time, and the sum of the durations of signals in a specific period between the first resource and the second resource is less than the duration of the specific period is met.

86. The device according to any one of claims 83 to 85, wherein The at least one processor together with the at least one memory and the computer program code is configured to cause the apparatus to perform: An instruction is sent to report the information related to the timing advance at the terminal.

87. The device according to any one of claims 82 to 86, wherein The at least one processor together with the at least one memory and the computer program code is configured to cause the apparatus to perform: A signal in a portion of symbols in the specific period is received from the terminal.

88. The device according to claim 87, wherein The at least one processor together with the at least one memory and the computer program code is configured to cause the apparatus to perform: The signal is decoded.

89. The device according to claim 87 or 88, wherein The configuration comprises a radio resource configuration indicating a type of the first resource and a type of the second resource.

90. The device of claim 89, wherein The radio resource configuration indicates a type of a third resource following the second resource.

91. The device according to claim 87 or 88, wherein The configuration includes downlink control information that schedules uplink transmission and indicates whether half-symbol transmission is applied to the uplink transmission.

92. The device according to claim 87 or 88, wherein The configuration indicates the symbols to which half-symbol transmission is to be applied.

93. The device according to claim 92, wherein The configuration is included in the system information block, or The configuration is included in a radio resource configuration.

94. The device according to any one of claims 87 to 93, wherein The configuration indicates whether a cyclic prefix is ​​applied to the signal in the specific period, and The at least one processor together with the at least one memory and the computer program code is configured to cause the apparatus to perform: In a case where the configuration indicates that the cyclic prefix is ​​to be applied to the signal in the specific period, a fast Fourier transform preparation process of removing the cyclic prefix from the signal in the specific period is performed.

95. The device according to any one of claims 87 to 94, wherein The specific period is a guard period including at least a portion of a guard symbol.

96. The device according to any one of claims 87 to 95, wherein For the scheduled uplink transmission, when the sum of the timing advance at the terminal, the terminal minimum downlink-uplink switching time, and the duration of the signal in the first specific period as the specific period is not less than the duration of the first specific period, the configuration indicates that half-symbol transmission is to be applied to the second specific period as the specific period after the first specific period.

97. The device according to any one of claims 87 to 96, wherein The first resource is a downlink resource, and / or The first resource is a sub-band non-overlapping full-duplex resource, and / or The second resource is an uplink resource, and / or The second resource is a sub-band non-overlapping full-duplex resource, and / or The portion of the specific period is the second half of the specific period.

98. The device according to any one of claims 82 to 97, wherein The half-symbol transmission capability of the terminal is associated with a frequency band or a combination of frequency bands.

99. The device according to any one of claims 82 to 98, wherein The at least one processor together with the at least one memory and the computer program code is configured to cause the apparatus to perform: A conditional configuration is sent, the conditional configuration defining reception of the configuration for half-symbol transmission as a condition for applying the half-symbol transmission.

100. A computer program product, comprising computer executable computer program code, which, when the program is run on a computer, is configured to cause the computer to perform the method according to any one of claims 1 to 15 or 16 to 33.

101. A computer program product according to claim 100, wherein the computer program product comprises a computer readable medium having the computer executable computer program code stored thereon, and / or wherein the program can be directly loaded into the internal memory of the computer or its processor.

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