Signal transmission method, terminal device, and network device

Abstract

The present application discloses a signal transmission method, a terminal device, and a network device, which belong to the field of communications, and includes a step of transmitting a signal at a position of a target symbol in a target transmission manner, wherein the target transmission manner includes at least one of a transmission manner in which a target uplink transmission is not performed at the position of the target symbol, a transmission manner in which a target downlink transmission is not performed at the position of the target symbol, a transmission manner in which a target uplink transmission is not performed at the position of the target symbol that differs from a transmission configuration indication TCI state of a target reference signal, and a transmission manner in which a target downlink transmission is not performed at the position of the target symbol that differs from a TCI state of the target reference signal, and the target symbol is a symbol for beam switching of the target reference signal.

Description

[Technical field]

[0001] (CROSS REFERENCE TO RELATED APPLICATIONS) This application claims priority to a Chinese patent application filed in China on August 5, 2020, with application number 202010780216.X, entitled "Signal Transmission Method, Terminal Equipment, and Network Equipment," the entire contents of which are incorporated herein by reference. TECHNICAL FIELD The embodiments of the present application relate to the field of communications, and in particular to a signal transmission method, a terminal device, and a network device. [Background technology]

[0002] For the transmitting or receiving side, the time for beam switching adjustment is around 100ns (nanoseconds), and in the frequency range (FR)1 & FR2, the maximum subcarrier spacing (SCS) is 240KHz, and the cyclic prefix (CP) length is around 292ns, so that beam switching can usually be performed within the CP length.

[0003] In New Radio (NR) in some scenarios, the subcarrier spacing becomes large, resulting in a CP length of less than 100 ns, which may be insufficient to perform beam switching. Summary of the Invention [Problem to be solved by the invention]

[0004] The embodiments of the present application provide a signal transmission method, a terminal device, and a network device that can provide sufficient time for beam switching. [Means for solving the problem]

[0005] In a first aspect, the present invention provides a signal transmission method executed by a communication device, comprising a step of performing signal transmission at a position of a target symbol in a target transmission scheme, wherein the target transmission scheme includes at least one of a transmission scheme that does not perform a target uplink transmission at the position of the target symbol, a transmission scheme that does not perform a target downlink transmission at the position of the target symbol, a transmission scheme that does not perform a target uplink transmission that is different from a TCI state of a target reference signal at the position of the target symbol, and a transmission scheme that does not perform a target downlink transmission that is different from the TCI state of the target reference signal at the position of the target symbol, and wherein the target symbol is a symbol for beam switching of the target reference signal.

[0006] In a second aspect, a signal transmission device is provided, comprising a transmission module for performing signal transmission at a position of a target symbol in a target transmission method, the target transmission method including at least one of a transmission method of not performing a target uplink transmission at the position of the target symbol, a transmission method of not performing a target downlink transmission at the position of the target symbol, a transmission method of not performing a target uplink transmission that differs from a TCI state of a target reference signal at the position of the target symbol, and a transmission method of not performing a target downlink transmission that differs from the TCI state of the target reference signal at the position of the target symbol, and the target symbol is a symbol for beam switching of the target reference signal.

[0007] In a third aspect, there is provided a communications device comprising a processor, a memory, and a program or command stored in the memory and executable by the processor, the program or command causing, when executed by the processor, to achieve steps of the method according to the first aspect.

[0008] In a fourth aspect, there is provided a readable storage medium having stored thereon a program or commands which, when executed by a processor, effectuates the steps of the method according to the first aspect.

[0009] In a fifth aspect, there is provided a computer program product comprising a processor, a memory, and a program or command stored in the memory and executable by the processor, the program or command causing, when executed by the processor, to perform the steps of the method according to the first aspect.

[0010] In a sixth aspect, an embodiment of the present application provides a chip comprising a processor and a communication interface, the communication interface and the processor being coupled together, the processor executing a program or command and used to implement the method according to the first aspect. Effect of the Invention

[0011] In the signal transmission method, terminal device and network device provided in the embodiments of the present application, a signal transmission is performed at the position of a target symbol in a target transmission manner, the target transmission manner includes at least one of a transmission manner in which a target uplink transmission is not performed at the position of the target symbol, a transmission manner in which a target downlink transmission is not performed at the position of the target symbol, a transmission manner in which a target uplink transmission is not performed at the position of the target symbol that is different from the TCI state of a target reference signal, and a transmission manner in which a target downlink transmission is not performed at the position of the target symbol that is different from the TCI state of a target reference signal, and the target symbol is a symbol for beam switching of a target reference signal, so that sufficient time can be provided for beam switching.

[0012] The drawings described herein are intended to facilitate understanding of the present application and constitute a part of the present application, and the illustrative embodiments and the description thereof are intended to interpret the present application and are not intended to unduly limit the present application. The description of the drawings is given below. [Brief description of the drawings]

[0013] [Figure 1] 1 shows a block diagram of a wireless communication system to which an embodiment of the present application can be applied. [Diagram 2]FIG. 2 is an exemplary procedure diagram of a signal transmission method according to an embodiment of the present application. [Diagram 3] FIG. 2 is an exemplary procedure diagram of a signal transmission method according to another embodiment of the present application. [Figure 4a] FIG. 2 is an exemplary procedure diagram of a signal transmission method according to another embodiment of the present application. [Figure 4b] 1 is an exemplary diagram of a signal transmission method according to an embodiment of the present application; [Diagram 5] FIG. 11 is an exemplary procedure diagram of a signal transmission method according to another embodiment of the present application. [Figure 6] FIG. 11 is an exemplary procedure diagram of a signal transmission method according to another embodiment of the present application. [Figure 7] 1 is a structural schematic diagram of a signal transmission device according to an embodiment of the present application; [Figure 8] FIG. 2 is a structural schematic diagram of a communication device according to an embodiment of the present application; [Figure 9] FIG. 2 is a structural schematic diagram of a network device according to another embodiment of the present application; [Figure 10] FIG. 2 is a structural schematic diagram of a terminal device according to another embodiment of the present application; DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0014] Hereinafter, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is to be understood that the described embodiments are only a part of the embodiments of the present application, and are not all of the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without any creative efforts shall fall within the scope of protection of the present application.

[0015] The terms "first," "second," etc. in the specification and claims of this application are not intended to describe a particular order or sequence, but are intended to distinguish between similar objects. It should be understood that the terms used in this manner may be substituted for one another where appropriate, such that the embodiments of this application may be practiced in an order other than that shown or described herein. Also, "and / or" in the specification and claims means at least one of the objects connected, and the " / " symbol generally means that the related objects before and after are in an "or" relationship.

[0016] It should be noted that the technology described in the embodiments of the present application is not limited to Long Term Evolution (LTE) / LTE-Advanced (LTE-A) systems, and is also applicable to 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 the present application may often be used interchangeably. The described technology may be used for the above-mentioned systems and radio technologies, as well as other systems and radio technologies. However, in the following description, a New Radio (NR) system will be described for illustrative purposes, and NR terminology will be used in much of the following description, but these techniques may also be applied to systems other than NR systems, such as 6th generation (6G) systems. th It is also applicable to 6G (Generation, 6G) communication systems.

[0017] FIG. 1 shows a block diagram of a wireless communication system to which the embodiment of the present application can be applied. The wireless communication system includes a terminal 11 and a network side device 12. The terminal 11 may be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a terminal side device such as a mobile phone, a tablet personal computer, a laptop computer also called a notebook 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-mounted device (VUE), a pedestrian terminal (PUE), etc., and the wearable device includes a wristband, a headphone, a pair of glasses, etc. It should be noted that the specific type of the terminal 11 is not limited in the embodiment of the present application. The network side device 12 may be a base station or a core network. The base station may be called a Node B, an evolved Node B, an access point, a base transceiver station (BTS), a radio base station, a radio transceiver, a basic service set (BSS), an extended service set (ESS), a B node, an evolved B node (eNB), a home B node, a home evolved B node, a WLAN access point, a WiFi node, a transmitting receiving point (TRP), or any other suitable term in the art, and the base station is not limited to a specific technical term, as long as the same technical effect can be achieved. It should be noted that in the embodiment of the present application, a base station in an NR system is merely taken as an example, and the specific type of the base station is not limited.

[0018] Hereinafter, the signal transmission method provided in the embodiments of the present application will be described in detail with reference to specific embodiments and application scenarios with reference to the drawings.

[0019] As shown in Fig. 2, an embodiment of the present application provides a signal transmission method 200, which 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, the method may be performed by software or hardware installed in the terminal device and / or the network device, and the method includes: The method includes a step S202 of transmitting a signal at a position of a target symbol in a target transmission manner.

[0020] The target transmission scheme may be configured or predefined. The target symbol is a symbol for beam switching of the target reference signal.

[0021] The target transmission manner includes at least one of the following transmission manners:

[0022] No target uplink transmission is performed at the position of the target symbol. Optionally, if the communication device is a UE, the UE does not transmit a target uplink signal at the position of the target symbol. If the communication device is a network device, the network device does not receive a target uplink signal at the position of the target symbol. No target downlink transmission is performed at the position of the target symbol. Optionally, if the communication device is a UE, the UE does not receive a target downlink signal at the position of the target symbol. If the communication device is a network device, the network device does not transmit a target downlink signal at the position of the target symbol.

[0023] At the position of the target symbol, no target uplink transmission different from the state of a Transmission Configuration Indicator (TCI) of a target reference signal is performed. At the position of the target symbol, no target downlink transmission different from the TCI state of the target reference signal is performed.

[0024] In the signal transmission method provided in the embodiment of the present application, a signal transmission is performed at the position of a target symbol in a target transmission manner, and the target transmission manner includes at least one of a transmission manner in which a target uplink transmission is not performed at the position of the target symbol, a transmission manner in which a target downlink transmission is not performed at the position of the target symbol, a transmission manner in which a target uplink transmission is not performed at the position of the target symbol, which is different from the TCI state of a target reference signal, and a transmission manner in which a target downlink transmission is not performed at the position of the target symbol, which is different from the TCI state of a target reference signal, and a transmission manner in which a target symbol is not performed at the position of the target symbol, and the target symbol is a symbol for beam switching of a target reference signal. Thus, a sufficient switching time for beam switching can be reserved by using the target symbol as a reserved interval symbol.

[0025] As shown in Fig. 3, an embodiment of the present application provides a signal transmission method 300, which 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, the method may be performed by software or hardware installed in the terminal device and / or the network device, and the method includes the following step S302:

[0026] In S302, signal transmission is performed at a position of a target symbol in a target transmission manner, and the target reference signal includes a first RS configured and / or a second RS configured to perform a first measurement.

[0027] The target transmission scheme includes at least one of a transmission scheme in which a target uplink transmission is not performed at the position of the target symbol, a transmission scheme in which a target downlink transmission is not performed at the position of the target symbol, a transmission scheme in which a target uplink transmission different from a TCI state of a target reference signal is not performed at the position of the target symbol, and a transmission scheme in which a target downlink transmission different from a TCI state of a target reference signal is not performed at the position of the target symbol.

[0028] Step S302 can be explained in the same manner as step S202 in the embodiment of FIG. 2, and detailed explanations of overlapping parts will be omitted here.

[0029] In one implementation, the UE does not expect to transmit a target uplink transmission at a target symbol position associated with the first RS or the second RS. Optionally, in one implementation, the target uplink transmission includes one or more of a Physical Uplink Shared Channel (PUSCH) transmission, a Physical Uplink Control Channel (PUCCH) transmission, a Sounding Reference Signal (SRS) transmission, and a Physical Random Access Channel (PRACH) transmission.

[0030] Alternatively, if the communication device is a UE, the UE does not transmit a target uplink transmission at a target symbol position 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 a target symbol position associated with the first RS or the second RS, thereby ensuring that the UE and the network device have the same understanding of transmission opportunities.

[0031] In one implementation, the UE does not expect to receive a target downlink transmission in a target symbol associated with the first RS or the second RS, the target downlink transmission including one or more of a physical downlink control channel (PDCCH) transmission, a physical downlink shared channel (PDSCH) transmission, a phase-tracking reference signal (PTRS) transmission, and a CSI-RS transmission, in one implementation, the CSI-RS includes at least one of the following types: tracking reference signal (TRS), channel state information (CSI), and tracking CSI.

[0032] Alternatively, if the communication device is a UE, the UE does not receive a target downlink transmission at a target symbol position associated with the first RS or the second RS, and if the communication device is a network device, the network device does not transmit a target downlink transmission at a target symbol position associated with the first RS or the second RS.

[0033] In one implementation, the UE does not expect to perform a target uplink transmission in a target symbol associated with the first or second RS that is different from the TCI state of the first or second RS. Optionally, in one implementation, the target uplink transmission includes one or more of a PUSCH transmission, a PUCCH transmission, an SRS transmission, and a PRACH transmission.

[0034] Alternatively, if the communication device is a UE, the UE does not transmit a target uplink transmission at a target symbol position associated with the first RS or the second RS that is different from the TCI state of 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 a target symbol position associated with the first RS or the second RS that is different from the TCI state of the first RS or the second RS.

[0035] In one implementation, the UE does not expect to receive a target downlink transmission in a target symbol associated with the first or second RS that is different from the TCI state of the first or second RS, the target downlink transmission including one or more of a PDCCH transmission, a PDSCH transmission, a PTRS transmission, and a CSI-RS transmission, and in one implementation, the CSI-RS includes at least one of the following types: TRS, CSI, and tracking CSI.

[0036] Alternatively, if the communication device is a UE, the UE does not receive a target downlink transmission at a target symbol position associated with the first RS or the second RS that is different from the TCI state of the first RS or the second RS, and if the communication device is a network device, the network device does not transmit a target downlink transmission at a target symbol position associated with the first RS or the second RS that is different from the TCI state of the first RS or the second RS.

[0037] In one implementation form, the symbols for beam switching of the target reference signal include at least one of the target reference signal symbol, N symbols (N is a positive integer) before or after the target reference signal symbol, N symbols (N is a positive integer) before or after consecutive target reference signal symbols, and a specified symbol among the target interval symbols.

[0038] The target reference signal symbol is, namely, the symbol of the first RS that is configured and / or the symbol of the second RS that is configured to perform the first measurement.

[0039] The N symbols (N is a positive integer) before or after the target reference signal symbol may be, for example, three symbols before the first RS symbol to be arranged, etc. The value of N may be predefined or arranged.

[0040] For N symbols (N is a positive integer) before or after the consecutive target reference signal symbol, for example, the target reference signal symbol may be a synchronization signal block (SSB) or a CSI-RS, and the symbol for beam switching of the target reference signal may be N symbols before or after the consecutive SSB or CSI-RS. The value of N may be predefined or configured.

[0041] For a given symbol among the target interval symbols, the target interval symbol is at least one of an interval symbol between successive target reference signals, an interval symbol between successive target reference signals with different Quasi Co-location (QCL) hypotheses, and an interval symbol between repeated target reference signals with Quasi Co-location hypotheses.

[0042] The interval symbols between successive target reference signals are, for example, the interval symbols between SSBs corresponding to successive SSB indices. The SSBs may be designated as the SSBs that are actually transmitted.

[0043] The interval symbols between consecutive target reference signals with different Quasi Co-location (QCL) hypotheses are, for example, interval symbols between CSI-RSs with different QCL hypotheses.

[0044] The predetermined symbols may be all or some of the interval symbols, and the predetermined symbols may be predefined or may be arranged.

[0045] In one implementation, the first measurement includes at least one of an in-frequency measurement of SS reference signal received power (Synchronization Signal based Reference Signal Received Power, SS-RSRP), an in-frequency measurement of SS signal-to-noise and interference ratio (SS-SINR), an in-frequency measurement of reference signal received quality (Reference Signal Received Quality, RSRQ), an L1 reference signal received power (Layer 1 reference signal received power, L1-RSRP) measurement, radio link monitoring, beam failure detection, and candidate beam detection.

[0046] In one implementation, the target RS includes a Synchronization Signal and PBCH block (SSB) and / or a CSI Reference Signal (CSI-RS).

[0047] In one implementation, different first measurements may correspond to different second RSs.

[0048] In the signal transmission method provided in the embodiment of the present application, no target uplink transmission or no target downlink transmission is performed at the target symbol position related to the target RS, or no target uplink transmission or target downlink transmission different from the TCI state of the target RS is performed, so that a sufficient switching time can be reserved for beam switching.

[0049] As shown in Fig. 4a, an embodiment of the present application provides a signal transmission method 400, which 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, the method may be performed by software or hardware installed in the terminal device and / or the network device, and the method includes: The method includes a step S402 of performing signal transmission at a target symbol position in a target transmission manner when a serving cell of the terminal device satisfies a predetermined condition.

[0050] The predetermined condition includes at least one of the following: the serving cell is within a predetermined frequency range; and the SCS of the serving cell or the activated BWP of the serving cell is a predetermined SCS. For example, the predetermined frequency range may be greater than 52.6 GHz, and the predetermined SCS may be 960 KHz.

[0051] In a New Radio (NR) operating in a high frequency band (e.g., >52.6 GHz), the subcarrier interval becomes large (e.g., 960 KHz), so the CP length is only 73 ns, which is insufficient for beam switching. In this case, in the target transmission method described in the embodiment of FIG. 2 or FIG. 3, a signal transmission is performed at a target symbol position related to a target RS, and a target uplink transmission or a target downlink transmission is not performed at a target symbol position related to a target RS, or a target uplink transmission or a target downlink transmission different from the TCI state of the target RS is not performed. In this way, when the serving cell of the terminal device operates in a high frequency band, a switching time sufficient for beam switching can be reserved with the target symbol as a reserved interval symbol.

[0052] Some examples will be described below.

[0053] Example 1 When the operating frequency is 52.6-71 GHz and / or the SSB SCS in the operating carrier or BWP is 480K, 960K or higher, assuming that the SSB mode is adjusted according to FIG. 4b and transmission of all SSBs is indicated, no uplink transmission and / or downlink reception can take place in symbol 7 between SSB1 & SSB2 and symbol 6 between SSB3 & SSB4.

[0054] Alternatively, the UE does not expect to receive a PDCCH, a PDSCH, a CSI-RS, etc., whose TCI state is different from that of an SSB in one symbol before / after an SSB that is actually transmitted.

[0055] Alternatively, the target transmission scheme may perform configuration of system information or Radio Resource Control (RRC) depending on the base station capability or the UE capability.

[0056] Example 2 When the operating frequency is 52.6-71 GHz, and / or the SSB SCS in the operating carrier or BWP is 480K, 960K or higher, if the RS for L1-RSRP measurement, or radio link monitoring, or beam failure detection, or candidate beam detection is a CSI-RS, and satisfies the relationship between the TCI states and QCL of the current PDCCH or PDSCH, and is not repeatedly transmitted, in the above target transmission method, no signal transmission is performed at the target symbol position associated with the target reference signal.

[0057] Conversely, the UE does not expect to transmit PUCCH, PUSCH or SRS and receive PDCCH, PDSCH, TRS, CSI-RS for CQI or CSI-RS for tracking in SSB or CSI-RS symbols awaiting measurement and in symbols between SSBs or CSI-RSs where QCLs are differently assigned.

[0058] a) The UE receives paging information notifying an update of system information; b) if the condition is met that the PDCCH of the Type 2 CSS and the Type 0 PDCCH for which the UE has received notification are greater than two slots; When SSB-control resource set (coreset) multiplexing uses pattern 3, the UE expects to receive Type 0 Common Search Space (CSS) PDCCH and correspondingly scheduled PDSCH reception in the SSB symbols waiting for measurement. When SSB-coreset multiplexing uses pattern 2, the UE expects to receive PDSCH scheduled by Type 0 CSS PDCCH in the SSB symbol waiting for measurement.

[0059] 5, an embodiment of the present application provides a signal transmission method 500, which 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, the method may be performed by software or hardware installed in the terminal device and / or the network device, and the method includes the following steps S501 and S502.

[0060] S501 reports the ability to perform beam switching.

[0061] The beam switching capability is for indicating whether to reserve a symbol for beam switching, in other words, for indicating whether to perform signal transmission at the position of the target symbol in the target transmission method.

[0062] In one implementation, the step of reporting beam switching capability includes at least one of the following steps:

[0063] The N value is for indicating reserving symbols for beam switching and the length of the reserved symbols. The base station can perform corresponding configuration based on the reported capabilities.

[0064] The base station reports whether the terminal supports multiple panels, and the whether the terminal supports multiple panels indicates whether the terminal reserves symbols for beam switching. The base station implicitly determines or configures the terminal scheduling behavior based on the terminal's reported ability to support multiple panels.

[0065] In S502, a signal is transmitted at the position of the target symbol in the target transmission method.

[0066] The target transmission method is: A transmission method in which no target uplink transmission is performed at the position of the target symbol; a transmission scheme in which no target downlink transmission is performed at the position of the target symbol; A transmission method in which a target uplink transmission different from a transmission configuration indicator (TCI) state of a target reference signal is not performed at the position of the target symbol; a transmission scheme in which no target downlink transmission different from the TCI state of the target reference signal is performed at the position of the target symbol.

[0067] Step S502 can be explained similarly to step S202 in the embodiment of Fig. 2, step S302 in the embodiment of Fig. 3, or step S402 in the embodiment of Fig. 4, and can achieve similar effects. Detailed explanations of overlapping parts will be omitted here.

[0068] As shown in Fig. 6, an embodiment of the present application provides a signal transmission method 600, which 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, the method may be performed by software or hardware installed in the terminal device and / or the network device, and the method includes the following steps S601 and S602.

[0069] In S601, a target transmission action instruction transmitted from a network device is received.

[0070] The target transmission action indication is for indicating whether to perform signal transmission at a target symbol position associated with a target RS in the target transmission method.

[0071] If a target transmission action instruction transmitted from a network device is received, the following step S602 is executed; otherwise, the following step S602 does not need to be executed.

[0072] In one implementation, before step S601, the method further includes a step of the UE reporting its ability to perform beam switching, and the specific steps are similar to step S501 in the embodiment of Fig. 5, and detailed description is omitted here. In this step S601, the network device sends a target transmission behavior indication according to the UE's ability to switch beams.

[0073] In S602, a signal is transmitted at the position of the target symbol in a target transmission manner.

[0074] The target transmission method is: A transmission method in which no target uplink transmission is performed at the position of the target symbol; a transmission scheme in which no target downlink transmission is performed at the position of the target symbol; A transmission method in which a target uplink transmission different from a transmission arrangement indication TCI state of a target reference signal is not performed at the position of the target symbol; a transmission scheme in which no target downlink transmission different from the TCI state of the target reference signal is performed at the position of the target symbol.

[0075] This step S602 can be explained in a similar manner to step S202 in the embodiment of FIG. 2, step S302 in the embodiment of FIG. 3, step S402 in the embodiment of FIG. 4, and step S502 in the embodiment of FIG. 5, and detailed explanations of the overlapping parts will be omitted here.

[0076] It should be noted that the execution subject of the signal transmission method provided in the embodiment of the present application may be a signal transmission device, or a control module in the device for executing and loading the above method. In the embodiment of the present application, the signal transmission method provided in the embodiment of the present application is described by taking the signal transmission device executing and loading the signal transmission method as an example.

[0077] 7 is a structural schematic diagram 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.

[0078] The transmission module 710 is used for performing signal transmission at a position of a target symbol in a target transmission manner, the target transmission manner including at least one of a transmission manner of not performing a target uplink transmission at the position of the target symbol, a transmission manner of not performing a target downlink transmission at the position of the target symbol, a transmission manner of not performing a target uplink transmission at the position of the target symbol that is different from a transmission configuration indication TCI state of a target reference signal, and a transmission manner of not performing a target downlink transmission at the position of the target symbol that is different from a TCI state of a target reference signal; The target symbol is a symbol for beam switching of a target reference signal.

[0079] In one implementation, the target reference signal is a first reference signal to be configured and / or a second reference signal to be configured to perform a first measurement, and the symbols for beam switching of the target reference signal include at least one of a target reference signal symbol, N symbols before or after the target reference signal symbol, N symbols (N is a positive integer) before or after consecutive target reference signal symbols, and a predetermined symbol among target interval symbols, and 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 having different quasi-collocation hypotheses, and an interval symbol between repeated target reference signals of a quasi-collocation hypothesis.

[0080] In one implementation, the first measurement includes at least one of an in-frequency measurement of SS-RSRP, an in-frequency measurement of SS-SINR, an in-frequency measurement of RSRQ, an L1-RSRP measurement, radio link monitoring, beam failure detection, and candidate beam detection.

[0081] In one implementation, different said first measurements correspond to different second reference signals.

[0082] In one implementation, the transmission module 710 is further used to report an ability to perform beam switching prior to performing a signal transmission at the target symbol position, the ability to perform beam switching being to indicate whether or not to reserve a symbol for beam switching.

[0083] In one implementation, reporting the capability for beam switching includes at least one of reporting the N value, the N value for indicating reserving symbols for beam switching and the length of the reserved symbols, and reporting whether or not to support multi-panel, the whether or not to support multi-panel for indicating whether or not to reserve symbols for beam switching.

[0084] In one implementation, the transmission module 710 is further used for receiving a target transmission action indication sent from a network device prior to performing signal transmission at a target symbol position, the target transmission action indication being for indicating whether to perform signal transmission at a target symbol position associated with a target reference signal in the target transmission method.

[0085] In one implementation, the target uplink transmission includes one or more of a PUSCH transmission, a PUCCH transmission, an SRS transmission, and a PRACH transmission, and / or the target downlink transmission includes one or more of a PDCCH transmission, a PDSCH transmission, a PTRS transmission, and a CSI-RS transmission.

[0086] In one implementation, the CSI-RS includes at least one of the following types: TRS, CSI, and Tracking CSI.

[0087] In one implementation, the transmission module 710 is used to perform signal transmission at a target symbol position in a target transmission manner when a serving cell of the terminal equipment satisfies a predetermined condition, the predetermined condition including at least one of: the serving cell is within a predetermined frequency range; and the SCS in the serving cell or the activated BWP of the serving cell is a predetermined SCS.

[0088] The signal transmission device in the embodiment of the present application may be a device, and may be a component, integrated circuit, or chip in a terminal. The device may be a portable electronic device or a non-portable electronic device. For example, the portable electronic device may be a mobile phone, a tablet computer, a notebook computer, a personal digital assistant, an in-vehicle electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook, or a personal digital assistant (PDA), and the non-portable electronic device may be a server, a network attached storage (NAS), a personal computer (PC), a television (TV), an automated teller machine or a kiosk, and the embodiments of the present application are not specifically limited.

[0089] The signal transmission device in the embodiment of the present application may be a device having an operating system, which may be the Android operating system, the IOS operating system, or other possible operating systems, and is not specifically limited in the embodiment of the present application.

[0090] The apparatus 700 according to the embodiment of the present application can refer to the steps corresponding to the methods 200 to 600 of the embodiment of the present application, and each unit / module in the apparatus 700 and other operations and / or functions described above are for implementing the corresponding steps in the methods 200 to 600, respectively, and can achieve similar or equivalent technical effects. For the sake of brevity, detailed descriptions are omitted here.

[0091] Optionally, as shown in FIG. 8, the embodiment of the present application further provides a communication device 800. The communication device 800 includes a processor 801, a memory 802, and a program or command stored in the memory 802 and executable by the processor 801. For example, when the communication device 800 is a terminal, the program or command is executed by the processor 801 to realize each process of the above-mentioned signal transmission method embodiment, and the same technical effect can be achieved. When the communication device 800 is a network side device, the program or command is executed by the processor 801 to realize each process of the above-mentioned signal transmission method embodiment, and the same technical effect can be achieved. To avoid repetition, detailed description is omitted here.

[0092] Specifically, the embodiment of the present application further provides a network side device. As shown 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 transmits the received information to the baseband device 903 for processing. In the downlink direction, the baseband device 903 processes the information to be transmitted and transmits it to the radio frequency device 902, and the radio frequency device 902 processes the received information before transmitting it through the antenna 901.

[0093] The bandwidth processing device may be located in the baseband device 903. The methods performed by the network side equipment in the above embodiments can be implemented in the baseband device 903, which includes a processor 904 and a memory 905.

[0094] As shown in FIG. 9, the baseband device 903 may include, for example, at least one baseband board, on which multiple chips are installed, one of which is, for example, a processor 904 connected to a memory 905 and calling a program in the memory 905 to execute the operations of the network equipment shown in the above method embodiments.

[0095] The baseband device 903 may further include a network interface 906 for exchanging information with the radio frequency device 902, the interface being, for example, a common public radio interface (CPRI).

[0096] Specifically, the network side device of the embodiment of the present application further includes a command or program stored in the memory 905 and executable by the processor 904, and the processor 904 calls the command or program in the memory 905 to execute a step of performing signal transmission at the position of the target symbol in a target transmission manner, and the target transmission manner is a transmission manner of not performing a target uplink transmission at the position of the target symbol, a transmission manner of not performing a target downlink transmission at the position of the target symbol, and a transmission manner of not performing a target uplink transmission at the position of the target symbol that is different from the transmission arrangement indication TCI state of the target reference signal. a transmission scheme in which no target downlink transmission different from the TCI state of the target reference signal is performed at the position of the target symbol, and the target symbol is a symbol for beam switching of the target reference signal.

[0097] In one implementation, the target reference signal is a first reference signal to be configured and / or a second reference signal to be configured to perform a first measurement, and the symbols for beam switching of the target reference signal include at least one of a target reference signal symbol, N symbols before or after the target reference signal symbol, N symbols (N is a positive integer) before or after consecutive target reference signal symbols, and a predetermined symbol among target interval symbols, and 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 having different quasi-collocation hypotheses, and an interval symbol between repeated target reference signals of a quasi-collocation hypothesis.

[0098] In one implementation, the first measurement includes at least one of an in-frequency measurement of SS-RSRP, an in-frequency measurement of SS-SINR, an in-frequency measurement of RSRQ, an L1-RSRP measurement, radio link monitoring, beam failure detection, and candidate beam detection.

[0099] In one implementation, different said first measurements correspond to different second reference signals.

[0100] In one implementation, prior to the step of transmitting a signal at the position of the target symbol, the processor further performs a step of reporting an ability to perform beam switching, the ability to perform beam switching being for indicating whether or not to reserve a symbol for beam switching.

[0101] In one implementation, the step of reporting beam switching capability includes at least one of the steps of reporting the N value, the N value being for indicating reserving symbols for beam switching and the length of the reserved symbols, and reporting whether or not to support multi-panel, the whether or not to support multi-panel being for indicating whether or not to reserve symbols for beam switching.

[0102] In one implementation, prior to the step of performing signal transmission at a target symbol position, the processor further performs a step of receiving a target transmission action indication transmitted from a network device, the target transmission action indication being for indicating whether or not to perform signal transmission at a target symbol position associated with a target reference signal in the target transmission method.

[0103] In one implementation, the target uplink transmission includes one or more of a PUSCH transmission, a PUCCH transmission, an SRS transmission, and a PRACH transmission, and / or the target downlink transmission includes one or more of a PDCCH transmission, a PDSCH transmission, a PTRS transmission, and a CSI-RS transmission.

[0104] In one implementation, the CSI-RS includes at least one of the following types: TRS, CSI, and Tracking CSI.

[0105] In one implementation, the processor transmits a signal at a target symbol position in a target transmission manner when a serving cell of the terminal equipment satisfies a predetermined condition, the predetermined condition including at least one of the following: the serving cell is within a predetermined frequency range; and the SCS of the serving cell or the serving cell's activated BWP is a predetermined SCS.

[0106] Specifically, the methods described in the embodiments of Figures 2 to 5 can be implemented to achieve similar technical effects, and detailed descriptions are omitted here to avoid duplication.

[0107] FIG. 10 is a schematic diagram of the hardware structure of a terminal device implementing an embodiment of the present application.

[0108] The terminal device 1000 includes components such as, but not limited to, a high 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.

[0109] Those skilled in the art can understand that the terminal device 1000 may further include a power source (e.g., a battery) for supplying power to each component, and the power source may be logically connected to the processor 1010 by a power management system, and the power management system may further realize functions such as charge / discharge management and power consumption management. The terminal structure shown in FIG. 10 does not limit the terminal device, and the terminal device may include more or fewer components than those shown, or a combination of some components, or a different component arrangement, and detailed description thereof will be omitted here.

[0110] It should be understood that in the embodiment of the present application, the input unit 1004 may include a graphics processing unit (GPU) 10041 for processing image data of still or video captured by an image capture device (e.g., a camera) in a video capture mode or an image capture mode, and a microphone 10042. The display unit 1006 may include a display panel 10061, and the display panel 10061 may be arranged 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 other input devices 10072. The touch panel 10071 is also called a touch screen. The touch panel 10071 may include two parts, a touch detection device and a touch controller. The other input devices 10072 may include, but are not limited to, a physical keyboard, a function button (e.g., a volume control button, a switch button, etc.), a trackball, a mouse, and an operation lever, and detailed description thereof will be omitted here.

[0111] In the embodiment of the present application, the high frequency unit 1001 receives downlink data from the network side device, processes it in the processor 1010, and transmits uplink data to the network side device. Typically, the high frequency unit 1001 includes, but is not limited to, an antenna, at least one amplifier, a receiver-transmitter, a coupler, a low-noise amplifier, a duplexer, etc.

[0112] The memory 1009 can be used to store software programs or commands and various data. The memory 1009 may mainly include a program or command storage area capable of storing an operating system, an application or command required for at least one function (e.g., a sound playback function, an image playback function, etc.), and a data storage area. The memory 1009 may also include a high-speed random access memory, and may further include a non-volatile memory. The non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM, PROM), an erasable programmable read-only memory (Erasable PROM, EPROM), an electrically erasable programmable read-only memory (Electrically EPROM, EEPROM), or a flash memory, such as at least one disk storage device, a flash memory, or other non-volatile solid-state storage device.

[0113] The processor 1010 may include one or more processing units. Optionally, the processor 1010 may be integrated with an application processor that mainly processes an operating system, a user interface, and applications or commands, and a modem processor, such as a baseband processor that mainly processes wireless communications. It is understandable that the modem processor may not be integrated with the processor 1010.

[0114] The processor 1010 is A target transmission method is used to perform signal transmission at the position of a target symbol, and the target transmission method includes at least one of a transmission method of not performing a target uplink transmission at the position of the target symbol, a transmission method of not performing a target downlink transmission at the position of the target symbol, a transmission method of not performing a target uplink transmission different from the transmission placement instruction TCI state of the target reference signal at the position of the target symbol, and a transmission method of not performing a target downlink transmission different from the TCI state of the target reference signal at the position of the target symbol, and the target symbol is a symbol for beam switching of the target reference signal.

[0115] In one implementation, the target reference signal is a first reference signal to be configured and / or a second reference signal to be configured to perform a first measurement, and the symbols for beam switching of the target reference signal include at least one of a target reference signal symbol, N symbols before or after the target reference signal symbol, N symbols (N is a positive integer) before or after consecutive target reference signal symbols, and a predetermined symbol among target interval symbols, and 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 having different quasi-collocation hypotheses, and an interval symbol between repeated target reference signals of a quasi-collocation hypothesis.

[0116] In one implementation, the first measurement includes at least one of an in-frequency measurement of SS-RSRP, an in-frequency measurement of SS-SINR, an in-frequency measurement of RSRQ, an L1-RSRP measurement, radio link monitoring, beam failure detection, and candidate beam detection.

[0117] In one implementation, different said first measurements correspond to different second reference signals.

[0118] In one implementation, prior to the step of transmitting a signal at the position of the target symbol, the processor further performs a step of reporting an ability to perform beam switching, the ability to perform beam switching being for indicating whether or not to reserve a symbol for beam switching.

[0119] In one implementation, the step of reporting beam switching capability includes at least one of the steps of reporting the N value, the N value being for indicating reserving symbols for beam switching and the length of the reserved symbols, and reporting whether or not to support multi-panel, the whether or not to support multi-panel being for indicating whether or not to reserve symbols for beam switching.

[0120] In one implementation, prior to the step of performing signal transmission at a target symbol position, the processor further performs a step of receiving a target transmission action indication transmitted from a network device, the target transmission action indication being for indicating whether or not to perform signal transmission at a target symbol position associated with a target reference signal in the target transmission method.

[0121] In one implementation, the target uplink transmission includes one or more of a PUSCH transmission, a PUCCH transmission, an SRS transmission, and a PRACH transmission, and / or the target downlink transmission includes one or more of a PDCCH transmission, a PDSCH transmission, a PTRS transmission, and a CSI-RS transmission.

[0122] In one implementation, the CSI-RS includes at least one of the following types: TRS, CSI, and Tracking CSI.

[0123] In one implementation, the processor transmits a signal at a target symbol position in a target transmission manner when a serving cell of the terminal equipment satisfies a predetermined condition, the predetermined condition including at least one of the following: the serving cell is within a predetermined frequency range; and the SCS of the serving cell or the serving cell's activated BWP is a predetermined SCS.

[0124] The terminal device 1000 according to the embodiment of the present application only needs to refer to the procedures corresponding to the methods 200 to 600 of the embodiment of the present application, and each unit / module in the terminal device 1000 and other operations and / or functions described above are for implementing the corresponding procedures in the methods 200 to 600, respectively, and can achieve similar or equivalent technical effects. For the sake of brevity, detailed descriptions are omitted here.

[0125] The embodiments of the present application further provide a readable storage medium, which stores a program or command, and when the program or command is executed by a processor, each process of the above-mentioned signal transmission method embodiment is realized, and the same technical effect can be achieved. In order to avoid repetition, detailed description is omitted here.

[0126] The processor is a processor in the electronic device described in the above embodiment. The readable storage medium includes a computer readable storage medium such as a computer read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

[0127] The embodiments of the present application further provide a chip, which comprises a processor and a communication interface, and the communication interface and the processor are coupled together, and the processor is used to execute programs or commands to realize each process of the above-mentioned signal transmission method embodiments, and can achieve the same technical effects. In order to avoid duplication, detailed descriptions are omitted here.

[0128] It should be understood that the chips referred to in the embodiments of this application may be referred to as system level chips, system chips, chip systems, or systems on chips, and the like.

[0129] An embodiment of the present application further provides a computer program product, comprising a processor, a memory, and programs or commands stored in the memory and executable by the processor, the programs or commands, when executed by the processor, achieving steps of the method according to the first aspect.

[0130] It should be noted that in this specification, the terms "comprise", "consist of" or any other variations are intended to include a non-exclusive inclusion, whereby a process, method, article, or apparatus that includes a set of elements includes not only those elements, but also other elements not expressly stated or inherent to such process, method, article, or apparatus. Unless otherwise specified, an element limited by the phrase "comprises a" does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes the element. It should also be noted that the scope of the method and apparatus in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may include performing functions substantially simultaneously or in the reverse order depending on such functions, for example, the described method may be performed in a different order than described, and various steps may be added, omitted, or combined. Also, features described with reference to any example may be combined in other examples.

[0131] From the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be realized in the form of a combination of software and a necessary common hardware platform, and of course, they can be realized by hardware, but in many cases the former is a more preferred embodiment. Based on this view, the technical solution of the present application can be substantially or the part that contributes to the prior art can be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM / RAM, magnetic disk, optical disk) and includes a number of commands that cause a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in the embodiments of the present application.

[0132] Although the examples of the present application have been described above with reference to the drawings, the present application is not limited to the above-mentioned specific embodiments, which are merely illustrative and not limiting. Based on the suggestions of the present application, many forms that a person skilled in the art can make without departing from the spirit of the present application and the scope of protection of the claims are all within the scope of protection of the present application.

Claims

1. 1. A signal transmission method performed by a communication device, comprising: transmitting a signal at a position of a target symbol in a target transmission manner; The target transmission method is: A transmission method in which no target uplink transmission is performed at the position of the target symbol; a transmission scheme in which no target downlink transmission is performed at the position of the target symbol; A transmission method in which a target uplink transmission different from a TCI state of a target reference signal is not performed at the position of the target symbol; a transmission scheme in which a target downlink transmission different from a TCI state of a target reference signal is not performed at the position of the target symbol; The target symbol is a symbol for beam switching of a target reference signal, The target reference signal is a first reference signal to be arranged and / or a second reference signal to be arranged to perform a first measurement, and a symbol for beam switching of the target reference signal is N symbols (N is a positive integer equal to or greater than 2) before or after the target reference signal symbol; N symbols (N is a positive integer) before or after the consecutive target reference signal symbols; a predetermined symbol among the target interval symbols; The target interval symbol is an interval symbol between successive target reference signals with different quasi-collocation hypotheses; and an interval symbol between repeated target reference signals of the quasi-collocation hypotheses.

2. The first measurement comprises: SS-RSRP in-frequency measurement; In-frequency measurement of SS-SINR; RSRQ in-frequency measurement, L1-RSRP measurement; Radio link monitoring; Beam obstruction detection; Candidate beam detection.

3. The method of claim 1 or 2, wherein different first measurements correspond to different second reference signals.

4. Prior to the step of transmitting a signal at the position of the target symbol, The method of claim 1 or 2, further comprising the step of reporting a capability to perform beam switching, the capability to perform beam switching being for indicating whether to reserve symbols for beam switching or not.

5. The step of reporting beam switching capability comprises: reporting the N value, the N value being for indicating reserving symbols for beam switching and a length of the reserved symbols; and reporting whether or not multi-panel is supported, the whether or not said multi-panel is to indicate whether or not symbols are reserved for beam switching.

6. Prior to the step of transmitting a signal at the position of the target symbol, 3. The method of claim 1 or 2, further comprising a step of receiving a target transmission behavior indication transmitted from a network device, the target transmission behavior indication being for indicating whether or not to perform signal transmission at a target symbol position associated with a target reference signal in the target transmission method.

7. The target uplink transmission includes one or more of a PUSCH transmission, a PUCCH transmission, an SRS transmission, and a PRACH transmission; and / or The method of claim 1 or 2, wherein the target downlink transmission comprises one or more of a PDCCH transmission, a PDSCH transmission, a PTRS transmission, and a CSI-RS transmission.

8. The CSI-RS is The method of claim 7 , comprising at least one of the following types: TRS, CSI, and tracking CSI.

9. The step of transmitting a signal at a position of a target symbol in a target transmission manner includes: When a serving cell of a terminal device satisfies a predetermined condition, transmitting a signal at a position of a target symbol in a target transmission manner; The predetermined condition is The serving cell is within a predetermined frequency range; and The method according to claim 1 or 2, further comprising at least one of: an SCS in the serving cell or an activated BWP of the serving cell is a predetermined SCS.

10. A transmission module for performing signal transmission at a position of a target symbol in a target transmission manner; The target transmission method is: A transmission method in which no target uplink transmission is performed at the position of the target symbol; a transmission scheme in which no target downlink transmission is performed at the position of the target symbol; A transmission method in which a target uplink transmission different from a TCI state of a target reference signal is not performed at the position of the target symbol; a transmission scheme in which a target downlink transmission different from a TCI state of a target reference signal is not performed at the position of the target symbol; The target symbol is a symbol for beam switching of a target reference signal, The target reference signal is a first reference signal to be arranged and / or a second reference signal to be arranged to perform a first measurement, and a symbol for beam switching of the target reference signal is N symbols (N is a positive integer equal to or greater than 2) before or after the target reference signal symbol; N symbols (N is a positive integer) before or after the consecutive target reference signal symbols; a predetermined symbol among the target interval symbols; The target interval symbol is an interval symbol between successive target reference signals with different quasi-collocation hypotheses; and an interval symbol between repeated target reference signals of the quasi-collocation hypotheses.

11. The first measurement comprises: SS-RSRP in-frequency measurement; In-frequency measurement of SS-SINR; RSRQ in-frequency measurement, L1-RSRP measurement; Radio link monitoring; Beam obstruction detection; and candidate beam detection.

12. 12. Apparatus according to claim 10 or 11, wherein different first measurements correspond to different second reference signals.

13. The apparatus of claim 10, wherein the transmission module is further used to report an ability to perform beam switching prior to performing a signal transmission at a target symbol position, the ability to perform beam switching being for indicating whether to reserve a symbol for beam switching.

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