Data transmission method, terminal device, and network device

Abstract

The present application provides a method for signal transmission, a terminal device, and a network device, and belongs to the field of communications. The method comprises the step of transmitting a signal at a location of a target symbol through a target transmission method; wherein the target transmission method comprises at least one of the following: a transmission method that does not perform target uplink transmission at the location of the target symbol; a transmission method that does not perform target downlink transmission at the location of the target symbol; a transmission method that does not perform target downlink transmission different from the TCI state of the target reference signal at the location of the target symbol; a transmission method that does not perform target downlink transmission different from the TCI state of the target reference signal at the location of the target symbol; and a transmission method in which the target symbol is a symbol of a target reference signal for beam switching.

Description

Technology Field

[0001] Reference to related applications

[0002] The present application claims priority to Patent Application No. 202010780216.X, filed in China on August 5, 2020, with the title "Method of signal transmission, terminal device and network device," and incorporates the entire contents of the above into the present application.

[0003] The present disclosure relates to the field of communication technology, and in particular to a method of signal transmission, a terminal device, and a network device. Background Technology

[0004] The time for adjusting beam switching for the transmitting or receiving end is about 100 ns (nanoseconds), the highest subcarrier spacing (SCS) in the frequency range (FR) 1 & FR2 is 240 kHz, and the cyclic prefix (CP) length is about 292 ns, so beam switching is generally possible within the CP length.

[0005] In some scenarios, New Radio (NR) is not sufficient to perform beam switching because the subcarrier spacing increases and the CP length is less than 100ns.

[0006] Embodiments of the present application provide a method of signal transmission, a terminal device, and a network device capable of providing sufficient time for beam switching.

[0007] In a first embodiment, a method of signal transmission performed by a communication device is provided, wherein the method comprises the step of transmitting a signal at a location of a target symbol through a target transmission method; wherein the target transmission method comprises at least one of the following: a transmission method that does not perform target uplink transmission at the location of the target symbol; a transmission method that does not perform target downlink transmission at the location of the target symbol; a transmission method that does not perform target uplink transmission different from the TCI state of the target reference signal at the location of the target symbol; a transmission method that does not perform target downlink transmission different from the TCI state of the target reference signal at the location of the target symbol; and the target symbol is a symbol of a target reference signal for beam switching.

[0008] In a second embodiment, the device for transmitting a signal includes a transmission module for transmitting a signal at the location of a target symbol through a target transmission method; wherein the target transmission method comprises at least one of the following: a transmission method that does not perform target uplink transmission at the location of the target symbol; a transmission method that does not perform target downlink transmission at the location of the target symbol; a transmission method that does not perform target uplink transmission different from the TCI state of the target reference signal at the location of the target symbol; a transmission method that does not perform target downlink transmission different from the TCI state of the target reference signal at the location of the target symbol; and the target symbol is a symbol of a target reference signal for beam switching.

[0009] In a third embodiment, a communication device is provided comprising a processor, a memory, and a program or instruction stored in the memory and executable on the processor, wherein when the program or instruction is executed by the processor, a step of the method according to the first embodiment is implemented.

[0010] In a fourth embodiment, a readable storage medium is provided that stores a program or instruction in which, when executed by a processor, the steps of the method according to the first embodiment are implemented.

[0011] In a fifth embodiment, a computer program product is provided comprising a processor, a memory, and a program or instruction stored in the memory and executable on the processor, wherein when the program or instruction is executed by the processor, the steps of the method according to the first embodiment are implemented.

[0012] In a sixth aspect, an embodiment of the present application provides a chip comprising a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is configured to execute a program or instruction to implement a method according to a first aspect.

[0013] In the method of signal transmission, terminal device, and network device provided in the embodiment of the present application, a signal is transmitted at the location of a target symbol through a target transmission method; wherein the target transmission method comprises at least one of the following: a transmission method that does not perform target uplink transmission at the location of the target symbol; a transmission method that does not perform target downlink transmission at the location of the target symbol; a transmission method that does not perform target uplink transmission different from the TCI state of the target reference signal at the location of the target symbol; a transmission method that does not perform target downlink transmission different from the TCI state of the target reference signal at the location of the target symbol; and the target symbol is a symbol of a target reference signal for beam switching, thereby providing sufficient time for beam switching. Brief explanation of the drawing

[0014] The accompanying drawings described herein are intended to provide further understanding of the present application and constitute part of the present application, and schematic embodiments and descriptions of the present application are intended to interpret the present application and do not constitute an undue limitation to the present application. In the accompanying drawings, FIG. 1 illustrates a block diagram of a wireless communication system to which an embodiment of the present application can be applied; FIG. 2 is a schematic flowchart of a method for signal transmission according to one embodiment of the present application; FIG. 3 is a schematic flowchart of a method for signal transmission according to another embodiment of the present application; FIG. 4a is a schematic flowchart of a method of signal transmission according to another embodiment of the present application; FIG. 4b is an exemplary diagram of a method of signal transmission according to one embodiment of the present application; FIG. 5 is a schematic flowchart of a method of signal transmission according to another embodiment of the present application; FIG. 6 is a schematic flowchart of a method of signal transmission according to another embodiment of the present application; FIG. 7 is a schematic diagram of the structure of a signal transmission device according to an embodiment of the present application; FIG. 8 is a schematic diagram of the structure of a communication device according to one embodiment of the present application; FIG. 9 is a schematic diagram of the structure of a network device according to another embodiment of the present application; FIG. 10 is a schematic diagram of the structure of a terminal device according to another embodiment of the present application. Specific details for implementing the invention

[0015] Hereinafter, the technical means of the embodiment of the present application are described clearly and completely in conjunction with the accompanying drawings of the embodiment of the present application. It is evident that the described embodiment is merely a part of the embodiment of the present application and is not the entire embodiment. All other embodiments obtained by a person skilled in the art based on the embodiment of the present application, under the premise that no effort was made to create an inventive step, fall within the scope of protection of the present application.

[0016] Terms such as “first,” “second,” etc., in the specification and claims of this application are intended to distinguish similar objects and are not intended to describe a specific order or sequence. It should be understood that data used in this manner may be exchanged where appropriate, and that embodiments of this application may be practiced in an order other than that shown or described herein. Furthermore, in the specification and claims, “and / or” indicates at least one of the connected objects, and the character “ / ” generally indicates that the objects related to the sequence are in an “or” relationship.

[0017] It should be noted that the technology described in the embodiments of this application is not limited to Long Term Evolution (LTE) / LTE-Advanced (LTE-A) systems and may also be used in other wireless communication systems such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-Carrier Frequency-Division Multiple Access (SC-FDMA), and other systems. The terms “system” and “network” in the embodiments of this application are often used interchangeably, and the described technology may be used not only in the systems and wireless technologies mentioned above but also in other systems and wireless technologies. However, the following description describes New Radio (NR) systems for illustrative purposes and uses the term NR in most of the following description, but this technology may also be applied to applications other than NR system applications, such as 6th Generation (6G) communication systems.

[0018] FIG. 1 illustrates a block diagram of a wireless communication system to which an embodiment of the present application may be applied. The wireless communication system includes a terminal (11) and a network-side device (12). Here, the terminal (11) may also be referred to as a terminal device or a user terminal (User Equipment, UE). The terminal (11) may be a mobile phone, a tablet personal computer, a laptop computer, or a laptop computer, a personal digital assistant (PDA), a palmtop computer, a netbook, an ultra-mobile personal computer (UMPC), a mobile internet device (MID), a wearable device, a vehicle user equipment (VUE), or a pedestrian user equipment (PUE). Wearable devices include bracelets, earphones, glasses, etc. It should be noted that the embodiment of the present application does not limit the specific type of the terminal (11).The network-side device (12) may be a base station or a core network, wherein the base station may be referred to as Node B, e-Node B, Access Point, Base Transceiver Station (BTS), Wireless Base Station, Wireless Transceiver, Basic Service Set (BSS), Extended Service Set (ESS), B-Node, e-Node B (eNB), Home B-Node, Home e-Node B, Wireless Local Area Network (WLAN) Access Point, Wireless Fidelity (WiFi) Node, Transmitting Receiving Point (TRP), or other specific suitable terms in the field, provided that the same technical effect is achieved, the base station is not limited to specific technical terms, and while the base station of the NR system is described as an example in the embodiments of the present application, it should be noted that the specific type of base station is not limited.

[0019] The method of signal transmission provided in the embodiment of the present application will be described in detail below through specific embodiments and application scenarios in conjunction with the attached drawings.

[0020] As illustrated in FIG. 2, one embodiment of the present application provides a method (200) for signal transmission, said method may be performed by a terminal device and / or a network device, and the network device may be, for example, a base station. In other words, said method may be performed by software or hardware mounted on a terminal device and / or a network device, and said method comprises the following steps.

[0021] Step (S202): Transmit a signal at the location of the target symbol through the target transmission method.

[0022] Here, the target transmission method may be configured or predefined. The target symbol is a symbol of a target reference signal for beam switching.

[0023] The above target transmission method includes at least one of the following transmission methods.

[0024] Target uplink transmission is not performed at the location of the above target symbol. Optionally, if the communication device is a UE, the UE does not send a target uplink signal at the location of the target symbol; if the communication device is a network device, the network device does not receive a target uplink signal at the location of the target symbol. Target downlink transmission is not performed at the location of the above target symbol. Optionally, if the communication device is a UE, the UE does not receive a target downlink signal at the location of the target symbol; if the communication device is a network device, the network device does not send a target downlink signal at the location of the target symbol.

[0025] Without performing a target uplink transmission different from the Transmission Configuration Indicator (TCI) state of the target reference signal at the location of the above target symbol;

[0026] At the location of the above target symbol, a target downlink transmission different from the TCI state of the above target reference signal is not performed.

[0027] The method of signal transmission provided in an embodiment of the present application transmits a signal at the location of a target symbol through a target transmission method; wherein the target transmission method comprises at least one of the following: a transmission method that does not perform target uplink transmission at the location of the target symbol; a transmission method that does not perform target downlink transmission at the location of the target symbol; a transmission method that does not perform target uplink transmission different from the TCI state of the target reference signal at the location of the target symbol; a transmission method that does not perform target downlink transmission different from the TCI state of the target reference signal at the location of the target symbol; and a transmission method in which the target symbol is a symbol of a target reference signal for beam switching, so that the target symbol is used as a reserved interval symbol to reserve a sufficient switching time for beam switching.

[0028] As illustrated in FIG. 3, one embodiment of the present application provides a method (300) for signal transmission, said method may be performed by a terminal device and / or a network device, and the network device may be, for example, a base station. In other words, said method may be performed by software or hardware mounted on the terminal device and / or the network device, and said method comprises the following steps.

[0029] Step (S302): A signal is transmitted at the location of a target symbol through a target transmission method, and the target reference signal includes a configured first RS and / or a second RS configured to perform a first measurement.

[0030] Here, the target transmission method comprises at least one of: a transmission method that does not perform target uplink transmission at the location of the target symbol; a transmission method that does not perform target downlink transmission at the location of the target symbol; a transmission method that does not perform target uplink transmission different from the TCI state of the target reference signal at the location of the target symbol; and a transmission method that does not perform target downlink transmission different from the TCI state of the target reference signal at the location of the target symbol.

[0031] This step may use expressions similar to the example step (S202) of FIG. 2, and duplicate parts are not repeated further.

[0032] In one implementation, the UE does not wish to send a target uplink transmission at a target symbol location associated with the first RS or the second RS. Optionally, in one implementation, the target uplink transmission comprises one or more of a Physical Uplink Shared Channel (PUSCH), a Physical Uplink Control Channel (PCCH), a Sounding Reference Signal (SRS), and a Physical Random Access Channel (PRACH).

[0033] Optionally, if the communication device is a UE, the UE does not send a target uplink transmission at the target symbol location associated with the first RS or the second RS; and if the communication device is a network device, the network device does not receive a target uplink transmission at the target symbol location associated with the first RS or the second RS, thereby ensuring that the UE and the network device have a matching understanding of the transmission timing.

[0034] In one implementation, the UE does not want to receive a target downlink transmission at a target symbol associated with a first RS or a second RS, said target downlink transmission comprises one or more of a physical downlink control channel (PDCCH), a physical downlink shared channel (PDSCH), a phase-tracking reference signal (PTRS), and a CSI-RS. In one implementation, said CSI-RS comprises at least one of a tracking reference signal (TRS), channel state information (CSI), and a tracking CSI.

[0035] Optionally, if the communication device is a UE, the UE does not receive a target downlink transmission at a target symbol location associated with the first RS or the second RS; and if the communication device is a network device, the network device does not send a target downlink transmission at a target symbol location associated with the first RS or the second RS.

[0036] In one implementation, the UE does not want to perform a target uplink transmission that differs from the TCI state of the first RS or the second RS at the target symbol associated with the first RS or the second RS. Optionally, in one implementation, the target uplink transmission includes one or more of PUSCH, PUCCH, SRS, and PRACH.

[0037] Optionally, if the communication device is a UE, the UE transmits a target uplink transmission different from the TCI state of the first RS or the second RS at a target symbol location associated with the first RS or the second RS; and if the communication device is a network device, the network device does not receive a target uplink transmission different from the TCI state of the first RS or the second RS at a target symbol location associated with the first RS or the second RS.

[0038] In one implementation, the UE does not want to receive a target downlink transmission that differs from the TCI state of the first RS or the second RS at the target symbol associated with the first RS or the second RS. The target downlink transmission includes one or more of PDCCH, PDSCH, PTRS, and CSI-RS. In one implementation, the CSI-RS includes at least one of TRS, CSI, and trace CSI.

[0039] Optionally, if the communication device is a UE, the UE does not receive a target downlink transmission different from the TCI state of the first RS or the second RS at a target symbol location associated with the first RS or the second RS; if the communication device is a network device, the network device does not send a target downlink transmission different from the TCI state of the first RS or the second RS at a target symbol location associated with the first RS or the second RS.

[0040] In one embodiment, the symbol of the target reference signal for beam switching includes at least one of the following symbols.

[0041] It is a target reference signal symbol, that is, a symbol of the configured first RS and / or a symbol of the second RS configured to perform the first measurement.

[0042] N is a positive integer, and is N symbols before or after the target reference symbol. For example, three symbols before the configured first RS symbol, etc. The value of N may be predefined or configured.

[0043] N is a positive integer and is a series of N symbols preceding or following the target reference signal symbol. For example, the target reference signal symbol may be a Synchronization Signal and PBCH block (SSB) or CSI-RS, and the symbols of the target reference signal for beam switching may be N symbols preceding or following the consecutive SSB or CSI-RS. The value of N may be predefined or configured.

[0044] As a preset symbol among target interval symbols, wherein the target interval symbol is at least one of the following interval symbols.

[0045] It is a symbol for the interval between consecutive target reference signals. For example, it is a symbol for the interval between SSBs corresponding to consecutive SSB indices. Here, the SSB may be indicated as the SSB actually sent.

[0046] It is a gap symbol between consecutive target reference signals of different quasi-co-location (QCL) assumptions. For example, it is a gap symbol between CSI and RS of different QCL assumptions.

[0047] It is a symbol of the gap between duplicate target reference signals of a similar joint location assumption.

[0048] Here, the preset symbol may be all or part of the interval symbol, and the preset symbol may be a predefined or configurable one.

[0049] In one embodiment, the first measurement comprises at least one of the following: a measurement of the same frequency of the Synchronization Signal based Reference Signal Received Power (SS-RSRP); a measurement of the same frequency of the SS signal-to-noise and interference ratio (SS-SINR); a measurement of the same frequency of the Reference Signal Received Quality (RSRQ); a measurement of the Layer 1 reference signal received power (L1-RSRP); wireless link monitoring; beam failure detection; and candidate beam detection.

[0050] In one implementation, the target RS includes a Synchronization Signal and PBCH block (SSB) and / or a CSI Reference Signal (CSI-RS).

[0051] In one embodiment, the different first measurement may correspond to a different second RS.

[0052] The signal transmission method provided in the embodiment of the present application does not perform target uplink transmission or target downlink transmission at a target symbol location associated with a target RS, or does not perform target uplink transmission or target downlink transmission different from the TCI state of the target RS, thereby allowing sufficient switching time to be reserved for beam switching.

[0053] As illustrated in FIG. 4a, one embodiment of the present application provides a method (400) for signal transmission, said method may be performed by a terminal device and / or a network device, and the network device may be, for example, a base station. In other words, said method may be performed by software or hardware mounted on the terminal device and / or the network device, and said method comprises the following steps.

[0054] Step (S402): When the serving cell of the terminal device satisfies a preset condition, a signal is transmitted at the location of the target symbol through the target transmission method.

[0055] Here, the preset condition includes at least one of the following: a condition in which the serving cell is located within a preset frequency range; and a condition in which the SCS of the serving cell or its activated BWP is a preset SCS. For example, the preset frequency range may be greater than 52.6 GHz, and the preset SCS may be 960 kHz.

[0056] When the New Radio (NR) operates in a high-frequency band (e.g., >52.6 GHz), the CP length is only 73 ns due to the increase in the subcarrier spacing (e.g., 960 kHz), which is insufficient to perform beam switching. In this case, through the target transmission method described in the embodiment of FIG. 2 or FIG. 3, a signal is transmitted at a target symbol position associated with the target RS, and no target uplink transmission or target downlink transmission is performed at a target symbol position associated with the target RS, or no target uplink transmission or target downlink transmission is performed that is different from the TCI state of the target RS. Thus, when the serving cell of the terminal device operates in a high-frequency band, the target symbol is used as a reserved spacing symbol, and sufficient switching time for beam switching can be reserved.

[0057] Some implementation examples are explained below.

[0058] In Example 1, when the operating frequency is 52.6-71 GHz and / or the SSB SCS of the operating carrier or BWP is 480K, 960K or higher, assuming the SSB mode is adjusted according to FIG. 4b and all SSBs are transmitted, Symbol 7 between SSB1&SSB2 and Symbol 6 between SSB3&SSB4 cannot perform uplink transmission and / or downlink reception.

[0059] Optionally, the UE does not want to receive a PDCCH, PDSCH, or CSI-RS, etc. of a TCI state different from the SSB in a single symbol before or after the actually sent SSB.

[0060] Optionally, the target transmission method may perform system information or Radio Resource Control (RRC) configuration depending on the capabilities of the base station or the UE.

[0061] In Example 2, when the operating frequency is 52.6-71 GHz and / or the SSB SCS of the operating carrier or BWP is 480K, 960K or higher, the RS for L1-RSRP measurement, or wireless link monitoring, or beam failure detection, or candidate beam detection is CSI-RS, and the TCI states with the current PDCCH or PDSCH satisfy the relationship of QCL, and redundant transmission is not performed, the signal is not transmitted at the target symbol location associated with the target reference signal through the target transmission method.

[0062] In any case, the UE does not want the dispatch of PUCCH, PUSCH, or SRS and the reception of PDCCH, PDSCH, TRS, CSI-RS for CQI, or CSI-RS for tracking between the SSB or CSI-RS symbols to be measured and the symbols of different QCLs of configuration.

[0063] If the following conditions are met.

[0064] a) The UE receives paging information and prompts for system information updates.

[0065] b) The UE receives a Type 2 CSS PDCCH and a Type 0 PDCCH that are larger than 2 slots;

[0066] When pattern 3 is used for SSB-control resource set (coreset) multiplexing, the UE wants to receive a Type 0 Common Search Space (CSS) PDCCH at the SSB symbol to be measured and execute a correspondingly scheduled PDSCH.

[0067] When pattern 2 is used for SSB-coreset multiplexing, the UE wants to perform PDSCH reception scheduled by Type 0 CSS PDCCH at the SSB symbol to be measured.

[0068] As illustrated in FIG. 5, one embodiment of the present application provides a method (500) for signal transmission, said method may be performed by a terminal device and / or a network device, and the network device may be, for example, a base station. In other words, said method may be performed by software or hardware mounted on the terminal device and / or the network device, and said method comprises the following steps.

[0069] Step (S501): Reports the ability to perform beam switching.

[0070] Here, the capability of the beam switching is intended to indicate whether the reserved symbol performs beam switching, that is, to indicate whether a signal is transmitted at the location of the target symbol through the target transmission method.

[0071] In one embodiment, the ability to report the beam switching comprises at least one of the following.

[0072] Regarding the ability to report the above N value, where N value is intended to indicate the reserved symbol for the beam switch and the length of the reserved symbol. The base station may be configured correspondingly according to the reporting ability.

[0073] Regarding the ability to report multi-panel support, the multi-panel support is intended to indicate whether a reserved symbol performs beam switching. The base station implicitly determines or configures the scheduling behavior of the terminal based on the multi-panel support capability reported by the terminal.

[0074] Step (S502): Transmit a signal at the location of the target symbol through the target transmission method.

[0075] Here, the target transmission method includes at least one of the following transmission methods.

[0076] Target uplink transmission is not performed at the location of the above target symbol.

[0077] Target downlink transmission is not performed at the location of the above target symbol.

[0078] At the location of the above target symbol, a target uplink transmission different from the Transmission Configuration Indicator (TCI) status of the above target reference signal is not performed.

[0079] At the location of the above target symbol, a target downlink transmission different from the TCI state of the above target reference signal is not performed.

[0080] This step may use a description similar to the example step (S202) of FIG. 2, the example step (S302) of FIG. 3, or the example step (S402) of FIG. 4 and achieve similar effects, and the overlapping parts are not repeated further.

[0081] As illustrated in FIG. 6, one embodiment of the present application provides a method (600) for signal transmission, said method may be performed by a terminal device and / or a network device, and the network device may be, for example, a base station. In other words, said method may be performed by software or hardware mounted on the terminal device and / or the network device, and said method comprises the following steps.

[0082] Step (S601): Receive a target transmission action instruction sent by a network device.

[0083] Here, the target transmission action instruction transmits a signal at a target symbol location associated with the target RS through the target transmission method.

[0084] If a target transmission action instruction sent by a network device is received, the following steps are performed; otherwise, the following steps are not performed.

[0085] In one implementation form, prior to this step, the step of reporting the ability of the UE to perform beam switching is further included, and the specific step is similar to the example step (S501) of FIG. 5 and is not repeated further. Based on the UE beam switching ability, the network device sends a target transmission action instruction in this step.

[0086] Step (S602): Transmit a signal at the location of the target symbol through the target transmission method.

[0087] Here, the target transmission method includes at least one of the following transmission methods.

[0088] Target uplink transmission is not performed at the location of the above target symbol.

[0089] Target downlink transmission is not performed at the location of the above target symbol.

[0090] At the location of the above target symbol, a target downlink transmission different from the TCI state of the above target reference signal is not performed.

[0091] At the location of the above target symbol, a target downlink transmission different from the TCI state of the above target reference signal is not performed.

[0092] This step may use expressions similar to the example step (S202) of FIG. 2, the example step (S302) of FIG. 3, the example step (S402) of FIG. 4, and the example step (S502) of FIG. 5, and overlapping parts are not repeated further.

[0093] In the method of signal transmission provided in the embodiments of the present application, the executing entity may be a signal transmission device or a control module of said device for executing the loading of said method. The method of signal transmission provided in the embodiments of the present application is described by exemplifying that the signal transmission device in the embodiments of the present application executes the loading of the signal transmission method.

[0094] FIG. 7 is a schematic diagram of the structure of a signal transmission device according to an embodiment of the present application. As shown in FIG. 7, the signal transmission device (700) includes a transmission module (710).

[0095] The transmission module (710) is for transmitting a signal at the location of a target symbol through a target transmission method; wherein the target transmission method includes at least one of the following: a transmission method that does not perform target uplink transmission at the location of the target symbol; a transmission method that does not perform target downlink transmission at the location of the target symbol; a transmission method that does not perform target downlink transmission different from the TCI state of the target reference signal at the location of the target symbol; and a transmission method that does not perform target downlink transmission different from the TCI state of the target reference signal at the location of the target symbol.

[0096] The above target symbol is a symbol of the target reference signal for beam switching.

[0097] In one embodiment, the target reference signal is a configured first reference signal and / or a second reference signal configured to perform a first measurement, and the symbol of the target reference signal for beam switching comprises: a target reference signal symbol; N symbols prior to or after the target reference signal; N consecutive symbols prior to or after the target reference signal symbol where N is a positive integer; and at least one of a preset symbol of a target interval symbol, wherein the target interval symbol is at least one of: an interval symbol between consecutive target reference signals; an interval symbol between consecutive target reference signals of different similar co-location assumptions; and an interval symbol between overlapping target reference signals of similar co-location assumptions.

[0098] In one embodiment, the first measurement comprises at least one of the same frequency measurement of SS-RSRP; same frequency measurement of SS-SINR; same frequency measurement of RSRQ; L1-RSRP measurement; wireless link monitoring; beam failure detection; and candidate beam detection.

[0099] In one implementation form, the different first measurement corresponds to a different second reference signal.

[0100] In one embodiment, the transmission module (710) is also for reporting the ability to perform beam switching prior to the step of transmitting a signal at the location of the target symbol, wherein the ability to perform beam switching is for indicating whether the reserved symbol performs beam switching.

[0101] In one embodiment, the ability to report the beam switch comprises at least one of the following: the ability to report the N value for indicating the length of the reserved symbol and the reserved symbol for the beam switch; and the ability to report whether there is multi-panel support for indicating whether the reserved symbol performs the beam switch.

[0102] In one embodiment, the transmission module (710) is also for receiving a target transmission action instruction sent by a network device prior to the step of transmitting a signal at the location of the target symbol, wherein the target transmission action instruction is for indicating whether to transmit a signal at the location of the target symbol associated with the target reference signal through the target transmission method.

[0103] In one embodiment, the target uplink transmission comprises one or more of PUSCH, PUCCH, SRS, and PRACH; and / or the target downlink transmission comprises one or more of PDCCH, PDSCH, PTRS, and CSI-RS.

[0104] In one embodiment, the CSI-RS includes at least one of a TRS, a CSI, and a trace CSI.

[0105] In one embodiment, the transmission module (710) is for transmitting a signal at the location of a target symbol through a target transmission method when the serving cell of the terminal device satisfies a preset condition; wherein the preset condition includes at least one of the condition that the serving cell is located within a preset frequency range; and the condition that the SCS of the serving cell or its activated BWP is the preset SCS.

[0106] The device for signal transmission in the embodiments of the present application may be a device, a terminal component, an integrated circuit, or a chip. The device may be a mobile electronic device or a non-mobile electronic device. For example, a mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a palmtop computer, an on-board electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook, or a personal digital assistant (PDA), and a non-mobile electronic device may be a server, a network attached storage (NAS), a personal computer (PC), a television (TV), a teller machine, or a self-service machine, and the embodiments of the present application are not specifically limited.

[0107] The device for signal transmission of the embodiments of the present application may be a device having an operating system. The operating system may be an Android operating system, an iOS operating system, or other possible operating systems, and the embodiments of the present application are not specifically limited.

[0108] The device (700) according to the embodiment of the present application may refer to the flow of the method (200-600) corresponding to the embodiment of the present application, and each unit / module of the device (700) and the other operation and / or function are each intended to implement the corresponding flow of the method (200-600) and can achieve the same or equivalent technical effect, and for brevity, is not repeated further herein.

[0109] Optionally, as illustrated in FIG. 8, an embodiment of the present application further provides a communication device (800) comprising a processor (801), a memory (802), and a program or command stored in the memory (802) and executable by the processor (801). For example, if the communication device (800) is a terminal, each process of the method of signal transmission embodiment is implemented when the program or command is executed by the processor (801), and the same technical effect can be achieved. If the communication device (800) is a network-side device, each process of the method of signal transmission embodiment is implemented when the program or command is executed by the processor (801), and the same technical effect can be achieved, and is not repeated further here to avoid duplication.

[0110] Specifically, embodiments of the present application further provide a network-side device. As illustrated in FIG. 9, the network device (900) includes an antenna (901), a radio frequency device (902), and a baseband device (903). The antenna (901) is connected to the radio frequency device (902). In the uplink direction, the radio frequency device (902) receives information through the antenna (901) and sends the received information to the baseband device (903) for processing. In the downlink direction, the baseband device (903) processes the information to be sent and sends it to the radio frequency device (902), and the radio frequency device (902) processes the received information and sends it through the antenna (901).

[0111] The above frequency band processing device may be located in a baseband device (903), and the method performed by the network-side device in the above embodiment may be implemented in the baseband device (903), and the baseband device (903) includes a processor (904) and a memory (905).

[0112] The baseband device (903) may include, for example, at least one baseband board, and a plurality of chips may be installed on the baseband board, and as shown in FIG. 9, one of the chips is, for example, a processor (904), connected to a memory (905) and calls a program of the memory (905) to perform the operation of the network device shown in the above method embodiment.

[0113] The above baseband device (903) may further include a network interface (906) that interacts with information with the radio frequency device (902), and the interface is, for example, a common public radio interface (abbreviated as CPRI).

[0114] Specifically, the network-side device of an embodiment of the present application further comprises a command or program stored in memory (905) and executable by a processor (904), wherein the processor (904) calls the command or program of memory (905) and performs the step of transmitting a signal at a location of a target symbol through a target transmission method; wherein the target transmission method comprises: a transmission method that does not perform a target uplink transmission at the location of the target symbol; a transmission method that does not perform a target downlink transmission at the location of the target symbol; and a transmission method that does not perform a target downlink transmission different from the TCI state of the target reference signal at the location of the target symbol.

[0115] A transmission method that does not perform a target downlink transmission different from the TCI state of the target reference signal at the location of the target symbol; and at least one of the transmission methods in which the target symbol is a symbol of the target reference signal for beam switching.

[0116] In one embodiment, the target reference signal is a configured first reference signal and / or a second reference signal configured to perform a first measurement, and the symbol of the target reference signal for beam switching comprises: a target reference signal symbol; N symbols prior to or after the target reference signal; N consecutive symbols prior to or after the target reference signal symbol where N is a positive integer; and at least one of a preset symbol of a target interval symbol, wherein the target interval symbol is at least one of: an interval symbol between consecutive target reference signals; an interval symbol between consecutive target reference signals of different similar co-location assumptions; and an interval symbol between overlapping target reference signals of similar co-location assumptions.

[0117] In one embodiment, the first measurement comprises at least one of the same frequency measurement of SS-RSRP; same frequency measurement of SS-SINR; same frequency measurement of RSRQ; L1-RSRP measurement; wireless link monitoring; beam failure detection; and candidate beam detection.

[0118] In one implementation form, the different first measurement corresponds to a different second reference signal.

[0119] In one embodiment, the processor further performs a step of reporting the ability to perform beam switching prior to the step of transmitting a signal at the location of the target symbol, wherein the ability to perform beam switching is to indicate whether the reserved symbol performs beam switching.

[0120] In one embodiment, the ability to report the beam switch comprises at least one of the following: the ability to report the N value for indicating the length of the reserved symbol and the reserved symbol for the beam switch; and the ability to report whether there is multi-panel support for indicating whether the reserved symbol performs the beam switch.

[0121] In one embodiment, the processor further performs the step of receiving a target transmission action instruction sent by a network device prior to the step of transmitting a signal at the location of the target symbol, wherein the target transmission action instruction is intended to indicate whether to transmit a signal at the location of the target symbol associated with the target reference signal through the target transmission method.

[0122] In one embodiment, the target uplink transmission comprises one or more of PUSCH, PUCCH, SRS, and PRACH; and / or, the target downlink transmission comprises one or more of PDCCH, PDSCH, PTRS, and CSI-RS.

[0123] In one embodiment, the CSI-RS includes at least one of a TRS, a CSI, and a trace CSI.

[0124] In one embodiment, the processor transmits a signal at the location of a target symbol via a target transmission method when the serving cell of the terminal device satisfies a preset condition; wherein the preset condition includes at least one of the condition that the serving cell is located within a preset frequency range; and the condition that the SCS of the serving cell or its activated BWP is the preset SCS.

[0125] The specific method of execution is the same as the method described in the embodiment of FIG. 2-5, and to achieve the same technical effect and avoid duplication, it is not repeated here.

[0126] FIG. 10 is a schematic diagram of the hardware structure of a terminal device implementing an embodiment of the present application.

[0127] The above terminal device (1000) includes, but is not limited to, components such as a radio frequency unit (1001), a network module (1002), an audio output unit (1003), an input unit (1004), a sensor (1005), a display unit (1006), a user input unit (1007), an interface unit (1008), a memory (1009), and a processor (1010).

[0128] A person of ordinary knowledge in the art can understand that the terminal device (1000) may include a power source (e.g., a battery) that supplies electricity to each component, and that the power source may be logically connected to the processor (1010) through a power management system, thereby enabling functions such as charging, discharging management, and power management through the power management system. The structure of the terminal device illustrated in FIG. 10 does not constitute a limitation on the terminal device, and the terminal device may include more or fewer components than illustrated, combine some components, or be arranged with different components, which is not further repeated herein.

[0129] In an embodiment of the present application, the input unit (1004) may include a Graphics Processing Unit (GPU) (10041) and a microphone (10042), and the Graphics Processing Unit (10041) processes image data of a still photograph or video acquired by an image capture mode (e.g., a camera) in a video capture or image capture mode. The display unit (1006) may include a display panel (10061), and the display panel (10061) may be configured in the form of a liquid crystal display, an organic light-emitting diode, etc. The user input unit (1007) includes a touch panel (10071) and another input device (10072). The touch panel (10071) is also referred to as a touch screen. The touch panel (10071) may include two parts: a touch detection device and a touch controller. Other input devices (10072) may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a control stick, and are not further described herein.

[0130] In an embodiment of the present application, the radio frequency unit (1001) receives downlink data from a network-side device and processes it by a processor (1010); additionally, sends uplink data to the network-side device. Generally, the radio frequency unit (1001) includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low-noise amplifier, a duplexer, etc.

[0131] Memory (1009) may be used to store software programs or commands and various data. Memory (1009) may primarily include a program or command area and a storage data area, wherein the storage program area may store applications or commands required for an operating system or at least one function (e.g., sound playback function, image playback function, etc.). In addition, memory (1009) may include high-speed random access memory and may include non-volatile memory, wherein the non-volatile memory may be a Read-Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable and Programmable Read-Only Memory (EPROM), an Electrically Erasable and Programmable Read-Only Memory (EEPROM), or a flash memory. For example, it may be at least one magnetic disk storage device, a flash memory device, or other non-volatile solid-state storage device.

[0132] The processor (1010) may include one or more processing units; optionally, the processor (1010) may integrate an application processor and a modem processor, wherein the application processor primarily processes an operating system, user interface, and applications or commands, and the modem processor primarily processes wireless communication such as a baseband processor. It may be understood that the modem processor may not be integrated into the processor (1010).

[0133] Here, the processor (1010) is,

[0134] The purpose is to transmit a signal at the location of a target symbol through a target transmission method; wherein the target transmission method comprises at least one of the following: a transmission method that does not perform target uplink transmission at the location of the target symbol; a transmission method that does not perform target downlink transmission at the location of the target symbol; a transmission method that does not perform target downlink transmission different from the TCI state of the target reference signal at the location of the target symbol; a transmission method that does not perform target downlink transmission different from the TCI state of the target reference signal at the location of the target symbol; and the target symbol being a symbol of a target reference signal for beam switching.

[0135] In one embodiment, the target reference signal is a configured first reference signal and / or a second reference signal configured to perform a first measurement, and the symbol of the target reference signal for beam switching comprises: a target reference signal symbol; N symbols prior to or after the target reference signal; N consecutive symbols prior to or after the target reference signal symbol where N is a positive integer; and at least one of a preset symbol of a target interval symbol, wherein the target interval symbol is at least one of: an interval symbol between consecutive target reference signals; an interval symbol between consecutive target reference signals of different similar co-location assumptions; and an interval symbol between overlapping target reference signals of similar co-location assumptions.

[0136] In one embodiment, the first measurement comprises at least one of the same frequency measurement of SS-RSRP; same frequency measurement of SS-SINR; same frequency measurement of RSRQ; L1-RSRP measurement; wireless link monitoring; beam failure detection; and candidate beam detection.

[0137] In one implementation form, the different first measurement corresponds to a different second reference signal.

[0138] In one embodiment, the processor further performs a step of reporting the ability to perform beam switching prior to the step of transmitting a signal at the location of the target symbol, wherein the ability to perform beam switching is to indicate whether the reserved symbol performs beam switching.

[0139] In one embodiment, the ability to report the beam switch comprises at least one of the following: the ability to report the N value for indicating the length of the reserved symbol and the reserved symbol for the beam switch; and the ability to report whether there is multi-panel support for indicating whether the reserved symbol performs the beam switch.

[0140] In one embodiment, the processor further performs the step of receiving a target transmission action instruction sent by a network device prior to the step of transmitting a signal at the location of the target symbol, wherein the target transmission action instruction is intended to indicate whether to transmit a signal at the location of the target symbol associated with the target reference signal through the target transmission method.

[0141] In one embodiment, the target uplink transmission comprises one or more of PUSCH, PUCCH, SRS, and PRACH; and / or the target downlink transmission comprises one or more of PDCCH, PDSCH, PTRS, and CSI-RS.

[0142] In one embodiment, the CSI-RS includes at least one of a TRS, a CSI, and a trace CSI.

[0143] In one embodiment, the processor transmits a signal at the location of a target symbol via a target transmission method when the serving cell of the terminal device satisfies a preset condition; wherein the preset condition includes at least one of the condition that the serving cell is located within a preset frequency range; and the condition that the SCS of the serving cell or its activated BWP is the preset SCS.

[0144] A terminal device (1000) according to an embodiment of the present application may refer to the flow of a method (200-600) corresponding to an embodiment of the present application, and each unit / module of the terminal device (1000) and the other operation and / or function are each intended to implement the corresponding flow of the method (200-600), and can achieve the same or equivalent technical effect, and for brevity, is not repeated further herein.

[0145] The embodiments of the present application further provide a readable storage medium storing a program or instruction that implements each process of the method embodiment of the signal transmission when executed by a processor, and the same technical effect can be achieved and is not repeated further herein to avoid duplication.

[0146] Here, the processor is the processor of the electronic device of the above embodiment. The readable storage medium includes a computer readable storage medium such as Read-Only Memory (ROM), Random Access Memory (RAM), a magnetic disk, or an optical disk.

[0147] An embodiment of the present application further provides a chip comprising a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is configured to execute a program or command for implementing each process of the embodiment of the method of signal transmission, and the same technical effect can be achieved and is not further repeated herein to avoid duplication.

[0148] It should be understood that the chip mentioned in the embodiments of this application may also be referred to as a system-on-chip, system chip, chip system, or system-on-chip, etc.

[0149] An embodiment of the present application further provides a computer program product comprising a processor, a memory, and a program or instruction stored in the memory and executable on the processor, wherein when the program or instruction is executed by the processor, the steps of the method according to the first embodiment are implemented.

[0150] It should be noted that in this specification, the terms “include,” “comprising,” or any other variations thereof are intended to encompass non-exclusive inclusions, thereby causing a process, method, article, or apparatus comprising a series of elements to include not only the elements but also additionally include other elements not explicitly listed, or additionally include elements unique to such process, method, article, or apparatus. Unless further limited, elements defined by the phrase “...comprising one” do not exclude the existence of additional separate identical elements in the process, method, article, or apparatus comprising said elements. Furthermore, it should be noted that the scope of the methods and apparatus of the embodiments of this application is not limited to performing functions in the order shown or discussed, but may further include performing functions in a basically simultaneous manner or in a reverse order based on the related functions, for example, the described method may be performed in a different order than described, and various steps may be added, omitted, or combined. Furthermore, features described with reference to some examples may be combined in other examples.

[0151] Through the description of the embodiments above, those skilled in the art will clearly understand that the method of the above-described embodiment can be implemented by software and a necessary general hardware platform, and of course can also be implemented through hardware, but in many cases, the former is a superior embodiment. Based on this understanding, the essential technical solution of the present application or the part contributing to the prior art may be implemented in the form of a software product, said computer software product is stored on a storage medium (e.g., ROM / RAM, magnetic disk, optical disk) and includes several instructions that cause a terminal (which may be a mobile phone, computer, server, air conditioner, or network device, etc.) to perform the method described in each embodiment of the present application.

[0152] Although embodiments of the present application have been described in conjunction with the drawings above, the present application is not limited to the specific embodiments described above, and the specific embodiments described above are merely illustrative rather than limiting. A person skilled in the art may, under the guidance of the present application, form many forms without departing from the spirit and scope protected by the claims of the present application, all of which fall under the protection of the present application.

Claims

Claim 1 A method of signal transmission performed by a communication device, comprising the step of transmitting a signal at the location of a target symbol through a target transmission method, wherein the target symbol is a symbol of a target reference signal for beam switching; the target transmission method comprises at least one of a transmission method that does not perform target uplink transmission at the location of the target symbol; and a transmission method that does not perform target downlink transmission at the location of the target symbol; wherein the target reference signal is a configured first reference signal and / or a second reference signal configured to perform a first measurement, and the symbol of the target reference signal for beam switching is N symbols prior to or after the target reference symbol; the target uplink transmission comprises one or more of PUSCH, PUCCH, SRS, and PRACH; and / or the target downlink transmission comprises one or more of PDCCH, PDSCH, PTRS, and CSI-RS. Claim 2 A method according to claim 1, wherein the first measurement comprises at least one of the same frequency measurement of SS-RSRP; same frequency measurement of SS-SINR; same frequency measurement of RSRQ; L1-RSRP measurement; wireless link monitoring; beam failure detection; and candidate beam detection. Claim 3 A method according to claim 1, characterized in that the different first measurement corresponds to a different second reference signal. Claim 4 A method according to claim 1, wherein prior to the step of transmitting a signal at the location of a target symbol, the method further comprises the step of reporting the ability to perform beam switching, wherein the ability to perform beam switching is for indicating whether a reserved symbol performs beam switching. Claim 5 A method according to claim 4, wherein the ability to report the beam switch comprises at least one of the following: the ability to report the N value for indicating the length of the reserved symbol and the reserved symbol for the beam switch; and the ability to report whether there is multi-panel support for indicating whether the reserved symbol performs the beam switch. Claim 6 In claim 1, prior to the step of transmitting a signal at the location of a target symbol, the method further comprises the step of receiving a target transmission action instruction sent by a network device, wherein the target transmission action instruction is intended to indicate whether to transmit a signal at the location of a target symbol associated with a target reference signal through the target transmission method; wherein the target uplink transmission comprises one or more of PUSCH, PUCCH, SRS, and PRACH; and / or the target downlink transmission comprises one or more of PDCCH, PDSCH, PTRS, and CSI-RS. Claim 7 A method according to claim 6, wherein the CSI-RS comprises at least one of TRS, CSI, and trace CSI. Claim 8 In claim 1, the step of transmitting a signal at the location of a target symbol through a target transmission method comprises the step of transmitting a signal at the location of a target symbol through a target transmission method when a serving cell of a terminal device satisfies a preset condition; wherein the preset condition comprises at least one of the condition that the serving cell is located within a preset frequency range; and the condition that the SCS of the serving cell or its activated BWP is the preset SCS. Claim 9 A device for signal transmission comprising a transmission module for transmitting a signal at the location of a target symbol through a target transmission method, wherein the target symbol is a symbol of a target reference signal for beam switching; wherein the target transmission method comprises at least one of a transmission method that does not perform target uplink transmission at the location of the target symbol; and a transmission method that does not perform target downlink transmission at the location of the target symbol; wherein the target reference signal is a configured first reference signal and / or a second reference signal configured to perform a first measurement, and the symbol of the target reference signal for beam switching is N symbols prior to or after the target reference symbol; wherein the target uplink transmission comprises one or more of PUSCH, PUCCH, SRS, and PRACH; and / or the target downlink transmission comprises one or more of PDCCH, PDSCH, PTRS, and CSI-RS. Claim 10 A device according to claim 9, wherein the first measurement comprises at least one of the same frequency measurement of SS-RSRP; same frequency measurement of SS-SINR; same frequency measurement of RSRQ; L1-RSRP measurement; wireless link monitoring; beam failure detection; and candidate beam detection. Claim 11 A device according to claim 9, wherein the transmission module is also for reporting the ability to perform a beam switch prior to transmitting a signal at the location of the target symbol, and said ability to perform a beam switch is for indicating whether the reserved symbol performs a beam switch. Claim 12 A readable storage medium characterized by storing a program or instruction in which, when executed by a processor, a step of a method of signal transmission according to any one of claims 1 to 8 is implemented.

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