Information transmission method, device, terminal and readable storage medium

Abstract

The present application discloses an information transmission method, an apparatus, a terminal and a readable storage medium, which belong to the technical field of communication. The information transmission method of the embodiment of the present application includes the steps of: determining, by a terminal, a first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port based on a first TPMI field, where the first TPMI field is a TPMI field associated with a target object associated with uplink transmission of the terminal, and the first PTRS port is a PTRS port actually used by the terminal; and performing uplink transmission by the first PTRS port and the transport layer or DMRS port corresponding to the first PTRS port.

Description

[Technical field]

[0001] (CROSS REFERENCE TO RELATED APPLICATIONS) This application claims priority to a Chinese patent application with application number 202210351237.9 filed in China on April 2, 2022, the entire contents of which are incorporated herein by reference.

[0002] The present application relates to the technical field of communications, and in particular to an information transmission method, device, terminal and readable storage medium. [Background technology]

[0003] In order to improve the throughput and reliability of uplink data transmission, a terminal can simultaneously perform uplink transmission using multiple antenna panels, and the multiple panels can simultaneously transmit the same or different data on the same or different frequency domain resources. In the case of multiple panels, the terminal can configure multiple Phase Tracking Reference Signal (PTRS) ports for uplink transmission. In this case, how to determine the PTRS port that the terminal actually uses is currently an urgent problem to be solved. Summary of the Invention

[0004] The embodiments of the present application provide an information transmission method, an apparatus, a terminal and a readable storage medium, which can solve the problem of how to determine the PTRS port that a terminal actually uses.

[0005] In the first aspect, a step of the terminal determining a first PTRS port and a transport layer or demodulation reference signal (DMRS) port corresponding to the first PTRS port based on a first Transmit Precoding Matrix Indicator (TPMI) field, the first TPMI field being a TPMI field associated with a target object associated with an uplink transmission of the terminal, and the first PTRS port being a PTRS port actually used by the terminal; The terminal performs uplink transmission via the first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port.

[0006] In a second aspect, there is provided an information transmission device applied to a terminal, a first determination module for determining a first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port based on a first TPMI field, the first TPMI field being a TPMI field associated with a target object associated with an uplink transmission of the terminal, and the first PTRS port being a PTRS port actually used by the terminal; and a transmission module for performing uplink transmission via the first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port.

[0007] In a third aspect, there is provided a terminal comprising a processor and a memory, the memory storing programs or commands executable on the processor, the programs or commands being executed by the processor to effect the steps of the method according to the first aspect.

[0008] In a fourth aspect, there is provided a terminal comprising a processor and a communications interface, wherein the processor is for determining a first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port based on a first TPMI field, the first TPMI field being a TPMI field associated with a target object associated with uplink transmission of the terminal, the first PTRS port being a PTRS port actually used by the terminal, and the communications interface being for performing uplink transmission using the first PTRS port and the transport layer or DMRS port corresponding to the first PTRS port.

[0009] In a fifth 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.

[0010] In a sixth aspect, there is provided a chip comprising a processor and a communications interface, the communications interface coupled to the processor, the processor being adapted to execute programs or commands to implement steps of the method according to the first aspect.

[0011] In a seventh aspect, there is provided a computer program / program product stored on a storage medium and adapted to implement the steps of the method according to the first aspect when executed by at least one processor.

[0012] In an embodiment of the present application, the terminal can determine a first PTRS port and its corresponding transport layer or DMRS port according to a first TPMI field associated with a target object associated with uplink transmission, and perform uplink transmission through the first PTRS port and its corresponding transport layer or DMRS port, where the first PTRS port is the PTRS port actually used by the terminal, thereby making it possible to determine the PTRS port actually used by the terminal, and effectively guaranteeing the PTRS transmission performance. [Brief description of the drawings]

[0013] [Figure 1] 1 is a block diagram of a wireless communication system to which an embodiment of the present application can be applied. [Diagram 2] 1 is a flowchart of an information transmission method provided in an embodiment of the present application; [Diagram 3] FIG. 2 is a structural schematic diagram of an information transmission device provided in an embodiment of the present application; [Figure 4] FIG. 2 is a structural schematic diagram of a communication device provided in an embodiment of the present application; [Diagram 5] FIG. 2 is a structural schematic diagram of a terminal provided in an 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 clearly described with reference to the drawings in the embodiments of the present application, and it should be understood that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present application shall fall within the scope of protection of the present application.

[0015] The terms "first", "second", etc. in the specification and claims of the present 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 each other where appropriate, so that the embodiments of the present application may be performed in an order other than that shown or described herein, and that the objects distinguished by "first" and "second" generally belong to one category and do not limit the number of objects, for example, the first object may be one or more. In the specification and claims, "and / or" indicates at least one of the objects connected, and the symbol " / " generally indicates 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 can 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 the present application can generally be used interchangeably, and the technology described can be used in the above systems and wireless technologies, or in other systems and wireless technologies. However, in the following description, a New Radio (NR) system is described for illustrative purposes, and NR terminology is used in most of the following description, but these technologies can be applied to systems other than NR systems, for example, 6th generation (6 th It is also applicable to 6G (Generation, 6G) communication systems.

[0017] 1 shows a block diagram of a wireless communication system to which an embodiment of the present application can be applied. The wireless communication system includes a terminal 11 and a network side device 12. Here, the terminal 11 may be a mobile phone, a tablet personal computer, a laptop computer also called a notebook computer, a personal digital assistant (PDA), a personal digital assistant, a netbook, an ultra-mobile personal computer (UMPC), a mobile internet device (MID), an augmented reality (AR) / virtual reality (VR) device, a robot, a wearable device, a vehicle user equipment (VUE), a pedestrian user equipment (PUE), a smart home (a home device equipped with a wireless communication function such as a refrigerator, a television, a washing machine, or furniture), a game machine, a personal computer, a The terminal 11 may be a terminal side device such as a personal computer (PC), an automated teller machine or a kiosk, and the wearable device includes a smart watch, a smart wristband, a smart earphone, a smart glasses, a smart accessory (smart bracelet, smart ring, smart necklace, smart anklet, smart wristlet, smart wear, etc.). It should be noted that the specific type of the terminal 11 is not limited in the embodiments of the present application. The network side device 12 may include an access network device or a core network device, where the access network device may be called a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function or a radio access network unit.The access network equipment may include a base station, a Wireless Local Area Network (WLAN) access point, or a WiFi node, etc., and the base station may be called a Node B, an evolved Node B (eNB), 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 home B node, a home evolved B node, a Transmitting Receiving Point (TRP), or any other suitable term in the art. As long as the same technical effect can be achieved, the base station is not limited to a specific technical term. In the embodiments of the present application, only a base station in an NR system is described as an example, but it should be noted that the specific type of the base station is not limited.

[0018] Optionally, the waveform used for uplink transmission in the embodiments of the present application may be, but is not limited to, a Discrete Fourier Transform (DFT) waveform, such as a Discrete Fourier Transform-Spreaded Orthogonal Frequency Division Multiple (DFT-S-OFDM) waveform.

[0019] In the following, the information transmission method, device, terminal and readable storage medium provided in the embodiments of the present application will be described in detail in several embodiments and their application scenarios with reference to the drawings.

[0020] Referring to FIG. 2, which is a flowchart of an information transmission method provided in an embodiment of the present application, the method is performed by a terminal, and as shown in FIG. 2, the method includes the following steps 21 and 22.

[0021] In step 21, the terminal determines a first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port based on the first TPMI field.

[0022] In this embodiment, the first Transmit Precoding Matrix Indicator (TPMI) field is also called a precoding information and number of layers field, and is a TPMI field associated with a target object associated with the uplink transmission of the terminal, i.e., the first TPMI field is associated with a target object associated with the uplink transmission of the terminal. The first PTRS port is a PTRS port actually used by the terminal.

[0023] Associating a TPMI field with a target object may include multiple target objects each corresponding to multiple TPMI fields, or one target object corresponding to one TPMI field, or multiple target objects corresponding to one TPMI field, or one target object being associated with multiple TPMI fields.

[0024] Alternatively, the uplink transmission may include, but is not limited to, a Physical Uplink Shared Channel (PUSCH) transmission, a Physical Uplink Control Channel (PUCCH) transmission, and the like.

[0025] In some embodiments, the first TPMI field may be carried by Downlink Control Information (DCI) and transmitted by the network side device to the terminal.

[0026] In some embodiments, a plurality of PTRS ports may be configured in the terminal, and the first PTRS port may be some or all of the plurality of PTRS ports. For example, the first PTRS port may be one PTRS port.

[0027] In step 22, the terminal performs uplink transmission via the first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port.

[0028] In this embodiment, since the PTRS port actually used by the terminal (i.e., the first PTRS port) may correspond to multiple transport layers or DMRS ports, after determining the transport layer or DMRS port corresponding to the first PTRS port, the terminal can select a transport layer or DMRS port associated with the first PTRS port (e.g., one associated transport layer / DMRS port) from the transport layers or DMRS ports corresponding to the first PTRS port based on the received PTRS-DMRS association indicator field, and perform uplink transmission via the first PTRS port and the transport layer or DMRS port associated with the first PTRS port.

[0029] It should be noted that the target object in this embodiment is a parameter associated with uplink data transmission. For example, the target object may include a beam, a Transmission and Reception Point (TRP), an antenna panel, a Transmission Configuration Indicator (TCI) state, a TCI state pool, a spatial relation, a Sounding Reference Signal (SRS) resource, an SRS port of an SRS resource configuration, an SRS resource set, a reference signal, a path loss reference signal, etc., and may indicate a certain indicator field, for example, an SRS resource indicator field.

[0030] Here, the antenna panel may be referred to as one of an antenna group, antenna port group, antenna set, antenna port set, beam set, beam subset, antenna array, antenna port array, antenna subarray, antenna port subarray, logical entity, entity or antenna entity, antenna panel entity, timing error group (TEG), terminal capability value, terminal capability value set, etc.

[0031] Optionally, the antenna panel includes a corresponding panel identifier, and the panel identifier may include at least one of an antenna panel identifier, a reference signal resource identifier, a reference signal resource set identifier, a TCI state identifier, a Quasi Co-location (QCL) information identifier, a spatial relationship identifier, a terminal capability value index, a terminal capability value set index, etc.

[0032] The beam information according to this embodiment may be referred to as one of beam identifier information, spatial relation information, spatial domain transmission filter information, spatial domain reception filter information, spatial filter information, transmission configuration indicator state (TCI state) information, QCL information, QCL parameters, etc. Here, the downlink beam information may be generally indicated by TCI state information or QCL information, and the uplink beam information may be generally indicated by TCI state information.

[0033] In some embodiments, the uplink transmission of the terminal may be associated with multiple target objects (e.g. TCI states), in which case the terminal is in a multi-panel scenario, where the association with the target object may be understood as either transmitting using the target object or precoding the target object before transmitting.

[0034] In some alternative embodiments, the terminal's uplink transmissions may be associated with one target object (eg, a panel).

[0035] In the information transmission method of the embodiment of the present application, the terminal can determine a first PTRS port and its associated transport layer according to a first TPMI field associated with a target object associated with uplink transmission, and perform uplink transmission through the first PTRS port and its associated transport layer, and the first PTRS port is the PTRS port actually used by the terminal, thereby making it possible to determine the PTRS port actually used by the terminal, and effectively guarantee the PTRS transmission performance.

[0036] Optionally, in an embodiment of the present application, the first PTRS port may be a PTRS port corresponding to the uplink transmitting antenna port indicated by the first TPMI field, the transport layer corresponding to the first PTRS port may be a part or all of the transport layer corresponding to the uplink transmitting antenna port indicated by the first TPMI field, and the DMRS port corresponding to the first PTRS port may be a part or all of the DMRS port corresponding to the uplink transmitting antenna port indicated by the first TPMI field.

[0037] For example, PTRS port 0 and PTRS port 1 are configured in the terminal, PUSCH antenna ports 1000 and 1002 are associated with / share PTRS port 0, PUSCH antenna ports 1001 and 1002 are associated with / share PTRS port 1, the transport layer transmitted by PUSCH antenna ports 1000 and 1002 is associated with PTRS port 0, and the transport layer transmitted by PUSCH antenna ports 1001 and 1002 is associated with PTRS port 1. In this case, if a first TPMI field associated with a target object associated with PUSCH transmission indicates PUSCH antenna ports 1001 and 1002, the first PTRS port (i.e., the PTRS port actually used by the terminal) is PTRS port 1. and it can be determined that the layer corresponding to the first PTRS port is the multiple layers transmitted by PUSCH antenna ports 1001 and 1002, i.e., all layers corresponding to PUSCH antenna ports 1001 and 1002; and if the first TPMI field associated with the target object associated with the PUSCH transmission indicates PUSCH antenna ports 1000 and 1002, it can be determined that the first PTRS port (i.e., the PTRS port actually used in the terminal) is PTRS port 0, and the layer corresponding to the first PTRS port is the multiple layers transmitted by PUSCH antenna ports 1000 and 1002, i.e., all layers corresponding to PUSCH antenna ports 1000 and 1002.

[0038] Also, for example, in a situation of 8 antennas (8 Transport, 8 Tx), PTRS port 0 and PTRS port 1 are configured in the terminal, the PUSCH antenna ports are divided into two groups, a first group of ports and a second group of ports, the first group of ports corresponds to multiple layers and is associated with PTRS port 0, and PTRS port 0 corresponds only to the first two layer transmissions of the ports of the first group, the second group of ports corresponds to multiple layers and is associated with PTRS port 1, and PTRS port 1 corresponds only to the first two layer transmissions of the ports of the second group, in this case, if the first TPMI field associated with the target object associated with the PUSCH transmission indicates a port in the first group, then the first PTRS port (i.e., the PTRS port actually used in the terminal) is PTRS port 0, and the layer corresponding to the first PTRS port corresponds to the first two layers of the ports of the first group, i.e., the first group of ports. or if the first TPMI field associated with the target object associated with the PUSCH transmission indicates a port of the second group, it can be determined that the first PTRS port (i.e., the PTRS port actually used in the terminal) is PTRS port 1 and the layer corresponding to the first PTRS port is the first two layers of the ports of the second group, i.e., some of the layers corresponding to the ports of the second group; or if the first TPMI field associated with the target object associated with the PUSCH transmission indicates a port of the first group and a port of the second group, it can be determined that the first PTRS port (i.e., the PTRS port actually used in the terminal) is PTRS ports 0 and 1, and accordingly, the layers are some of the layers corresponding to the ports of the first group and some of the layers corresponding to the ports of the second group, respectively.

[0039] For example, if the received PTRS-DMRS association indicator field contains 3 bits and PTRS port 0 corresponds to eight transport layer / DMRS ports, one transport layer / DMRS port can be selected from the eight transport layer / DMRS ports as the associated transport layer / DMRS port of PTRS port 0 based on the PTRS-DMRS association indicator field.

[0040] Also, for example, if the received PTRS-DMRS association indicator field contains 2 bits and PTRS port 0 corresponds to eight transport layer / DMRS ports, one transport layer / DMRS port can be selected from the first four of the eight transport layer / DMRS ports as the associated transport layer / DMRS port of PTRS port 0 based on the PTRS-DMRS association indicator field.

[0041] Also, for example, the received PTRS-DMRS association indicator field includes 4 bits, of which the first two bits indicate that one transport layer / DMRS port is selected from the four transport layer / DMRS ports corresponding to PTRS port 0 as the associated transport layer / DMRS port of PTRS port 0, and the last two bits indicate that one transport layer / DMRS port is selected from the four transport layer / DMRS ports corresponding to PTRS port 1 as the associated transport layer / DMRS port of PTRS port 0.

[0042] Also, for example, the received PTRS-DMRS association indicator field may include two bits, the first bit of which indicates that one transport layer / DMRS port is selected from the first two of the four transport layer / DMRS ports corresponding to PTRS port 0 as the associated transport layer / DMRS port for PTRS port 0, and the last bit of which indicates that one transport layer / DMRS port is selected from the first two of the four transport layer / DMRS ports corresponding to PTRS port 1 as the associated transport layer / DMRS port for PTRS port 0.

[0043] Optionally, when the terminal's uplink transmission is associated with multiple target objects, the first PTRS port and the transport layer associated with the first PTRS port can be determined by at least one of the following 1) and 2).

[0044] 1) For each target object, the terminal determines a first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port based on a first TPMI field associated with the target object. In this way, in the case of multiple target objects (e.g., panels), the determination of the per-panel PTRS port can be realized without introducing a new PTRS port.

[0045] For example, when a PUSCH transmission of a terminal is associated with two target objects, e.g., a first target object and a second target object, for the first target object, a PTRS port and an associated transport layer actually used in the terminal are determined based on a first TPMI field associated with the first target object, and for the second target object, a PTRS port and an associated transport layer actually used in the terminal are determined based on a first TPMI field associated with the second target object.

[0046] 2) The terminal determines a first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port based on a first TPMI field associated with one of the multiple target objects. In this way, in the case of multiple target objects (e.g., panels), the determination of the per-panel PTRS port can be realized without introducing a new PTRS port.

[0047] For example, when a PUSCH transmission of a terminal is associated with two target objects, for example, a first target object and a second target object, a PTRS port and a corresponding transport layer actually used by the terminal can be determined based on a first TPMI field associated with the first target object or the second target object, and the thus determined PTRS port and the associated transport layer are applied to the first target object and the second target object, where the first TPMI field associated with the first target object or the second target object may be described as a first TPMI field and a second TPMI field.

[0048] Optionally, when the uplink transmission of the terminal is associated with one target object, the terminal determines a first PTRS port and a transport layer associated with the first PTRS port based on a first TPMI field associated with the one target object, thereby determining the PTRS port and associated transport layer actually used by the terminal.

[0049] Optionally, when multiple PTRS ports are configured in the terminal and the uplink transmission of the terminal is associated with multiple target objects, the multiple PTRS ports correspond one-to-one to the multiple target objects, each PTRS port is associated with a first transport layer associated with the corresponding target object, and the first transport layer includes at least one transport layer.

[0050] For example, when PTRS port 0 and PTRS port 1 are configured in a terminal and the PUSCH transmission of the terminal is associated with two target objects, e.g., a first target object and a second target object, PTRS port 0 and PTRS port 1 correspond one-to-one to the first target object and the second target object, and each PTRS port is associated with a first transport layer associated with the corresponding target object, and the first transport layer includes at least one transport layer. For example, when PTRS port 0 corresponds to the first target object and PTRS port 1 corresponds to the second target object, and the first target object is associated with the first transport layer and the second target object is associated with the second transport layer, PTRS port 0 is associated with the first transport layer associated with the first target object and PTRS port 1 is associated with the second transport layer associated with the second target object, where the first transport layer and the second transport layer each include at least one transport layer.

[0051] Alternatively, when multiple PTRS ports are configured in the terminal and the uplink transmission of the terminal is associated with one of the multiple target objects, the terminal can determine a preset PTRS port or a default PTRS port among the multiple PTRS ports as the first PTRS port, thereby determining the PTRS port and associated transport layer actually used by the terminal.

[0052] For example, if PTRS port 0 and PTRS port 1 are configured in a terminal and the PUSCH transmission of the terminal is associated with one target object, the PTRS port actually used by the terminal may be the preset PTRS port 0 or PTRS port 1, or the default PTRS port 0 or PTRS port 1. The PTRS port actually used by the terminal is associated with all transport layers indicated by the TPMI fields associated with the one target object.

[0053] Optionally, when the uplink transmission of the terminal is associated with one target object, the terminal determines a first PTRS port and a transport layer associated with the first PTRS port based on a first TPMI field associated with the one target object, thereby determining the PTRS port and associated transport layer actually used by the terminal.

[0054] In an embodiment of the present application, in order to effectively ensure PTRS transmission performance, when the uplink transmission of the terminal is associated with multiple target objects, the terminal can determine a power scaling factor of a first PTRS port (i.e., an actually used PTRS port) based on first information, where the first information includes at least one of the following 1), 2), and 3).

[0055] 1) Coherent property information of multiple precoding matrices used in uplink transmissions associated with multiple target objects.

[0056] Alternatively, the coherence characteristic information is determined by a number of TPMI fields and / or SRI fields received by the terminal.

[0057] Optionally, the coherence characteristic information is determined by a preset TPMI field and / or SRI field among a plurality of TPMI fields and / or SRI fields, for example, determined by a first TPMI field / SRI field.

[0058] 2) The number of PTRS ports of uplink transmission associated with multiple target objects.

[0059] Optionally, the number of PTRS ports in 2) includes at least one of the total number of PTRS ports scheduled in uplink transmissions associated with the multiple target objects, and the number of PTRS ports associated with each of the uplink transmissions associated with the multiple target objects.

[0060] 3) The number of transport layers of uplink transmissions associated with multiple target objects.

[0061] Optionally, the number of transport layers in 3) includes at least one of the number of transport layers corresponding to each target object and the total number of transport layers corresponding to the multiple target objects.

[0062] The number of transport layers may be determined by a TPMI field and / or a Sounding Reference Signal Resource Indicator (SRS Resource Indicator, SRI) field associated with each target object, respectively, e.g., the number of transport layers corresponding to each target object is the number of transport layers indicated by the TPMI field / SRI field associated with the target object; The total number of transport layers may be determined by TPMI fields and / or SRI fields associated with multiple target objects, e.g., the total number of transport layers is the sum of the number of transport layers indicated by multiple TPMI fields / SRI fields associated with multiple target objects.

[0063] For example, if a PUSCH transmission is associated with two TCI states, the power scaling factor of the PTRS port actually used for each PUSCH transmission of the TCI state is determined by the number of transport layers indicated by the TPMI field corresponding to the TCI state, the coherence characteristics and the number of actual PTRS ports corresponding to the TCI state.

[0064] Also, for example, if a PUSCH transmission is associated with two TCI states, the power scaling factor of the PTRS port actually used for each PUSCH transmission of the TCI transmission is determined by the number of transport layers indicated by the TPMI field corresponding to the TCI state, the coherence characteristics, and the total number of actual PTRS ports corresponding to the two TCI states.

[0065] For example, taking PUSCH transmission as an example, the power scaling factor of the PTRS port

number

[0066] [Table 1]

[0067] For example, a PUSCH transmission is associated with two TCI states, and if, for a PUSCH transmission in a certain TCI state, the number of transport layers indicated by the TPMI field corresponding to the TCI state is 2 and the coherence characteristic is full coherent, then by referring to Table 1 it can be determined that the power scaling factor of the corresponding PTRS port is 3; or, if, for a PUSCH transmission in a certain TCI state, the number of transport layers indicated by the TPMI field corresponding to the TCI state is 3, the coherence characteristic is partially coherent / incoherent / non-codebook-based transmission and the number of actually scheduled PTRS ports is Qp, then by referring to Table 1 it can be determined that the power scaling factor of the corresponding PTRS port is 3Qp-3; or, if, for a PUSCH transmission in a certain TCI state, the number of transport layers indicated by the TPMI field corresponding to the TCI state is 4, the coherence characteristic is partially coherent and the number of actually scheduled PTRS ports is Qp, then by referring to Table 1 it can be determined that the power scaling factor of the corresponding PTRS port is 3Qp.

[0068] The information transmission method provided in the embodiments of the present application may be performed by an information transmission device. In the embodiments of the present application, the information transmission device provided in the embodiments of the present application will be described by taking the information transmission method performed by the information transmission device as an example.

[0069] Referring to FIG. 3, which is a structural schematic diagram of an information transmission device provided in an embodiment of the present application, the device is applied to a terminal. As shown in FIG. 3, the information transmission device 30 includes: a first determination module 31 for determining a first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port based on a first TPMI field, the first TPMI field being a TPMI field associated with a target object associated with an uplink transmission of the terminal, and the first PTRS port being a PTRS port actually used by the terminal; A transmission module 32 for performing uplink transmission via the first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port.

[0070] Optionally, when the uplink transmission of the terminal is associated with multiple target objects, the first determination module 31: for each said target object, determining said first PTRS port and a transport layer or DMRS port corresponding to said first PTRS port based on a first TPMI field associated with said target object; and determining the first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port based on a first TPMI field associated with any of the plurality of target objects.

[0071] Optionally, when the uplink transmission of the terminal is associated with one target object among a plurality of target objects, the first determining module 31 specifically: It is used to determine the first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port based on a first TPMI field associated with the one target object.

[0072] Alternatively, the first PTRS port is a PTRS port corresponding to the uplink transmitting antenna port indicated by the first TPMI field, the transport layer corresponding to the first PTRS port is part or all of the transport layer corresponding to the uplink transmitting antenna port indicated by the first TPMI field, or the DMRS port corresponding to the first PTRS port is part or all of the DMRS port corresponding to the uplink transmitting antenna port indicated by the first TPMI field.

[0073] Optionally, the transmission module 32 is specifically used to select a transport layer or DMRS port associated with the first PTRS port from the transport layer or DMRS port corresponding to the first PTRS port based on the received PTRS-DMRS associated indicator field, and perform uplink transmission via the first PTRS port and the transport layer or DMRS port associated with the first PTRS port.

[0074] Optionally, when multiple PTRS ports are configured in a terminal and the uplink transmission of the terminal is associated with multiple target objects, the multiple PTRS ports correspond one-to-one to the multiple target objects, each of the PTRS ports corresponds to a first transport layer associated with a corresponding target object, and the first transport layer includes at least one transport layer.

[0075] Optionally, when a plurality of PTRS ports are configured in the terminal, and the uplink transmission of the terminal is associated with one target object among a plurality of target objects, the first determination module 31 further comprises: Used to determine a preset PTRS port or a default PTRS port among the multiple PTRS ports as the first PTRS port.

[0076] Optionally, the information transmission device 30 A second determination module for determining a power scaling factor of the first PTRS port based on the first information when the uplink transmission of the terminal is associated with multiple target objects; Here, the first information is Coherent property information of a plurality of precoding matrices used in the uplink transmission; the number of PTRS ports of the uplink transmission; and the number of transport layers of the uplink transmission.

[0077] Alternatively, the coherence characteristic information is determined by a plurality of TPMI fields and / or SRI fields received by the terminal; and / or the number of PTRS ports includes at least one of a total number of PTRS ports scheduled in the uplink transmission and a number of PTRS ports associated with each of the plurality of target objects; And / or, the number of transport layers includes at least one of the number of transport layers corresponding to each of the target objects and the total number of transport layers corresponding to the multiple target objects.

[0078] The information transmission device 30 in the embodiment of the present application may be an electronic device, for example, an electronic device having an operating system, or may be a component in an electronic device, for example, an integrated circuit or a chip. The electronic device may be a terminal or other device other than a terminal. Exemplarily, the terminal may include, but is not limited to, the types of terminal 11 listed above, and the other device may be a server, a network attached storage (NAS), etc., and is not specifically limited in the embodiment of the present application.

[0079] The information transmission device 30 provided in the embodiment of the present application can realize each process implemented in the method embodiment of Fig. 2, and can achieve the same technical effects, and in order to avoid repetition, detailed description will be omitted here.

[0080] Optionally, as shown in Fig. 4, an embodiment of the present application further provides a communication device 40. The communication device 40 includes a processor 41 and a memory 42, and the memory 42 stores programs or commands executable on the processor 41, and when the programs or commands are executed by the processor 41, each step of the embodiment of the information transmission method described above can be realized and the same technical effects can be achieved. To avoid duplication, detailed descriptions are omitted here.

[0081] The embodiment of the present application further provides a terminal, which comprises a processor and a communication interface, and the processor is used to determine a first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port according to a first TPMI field, the first TPMI field is a TPMI field associated with a target object associated with uplink transmission of the terminal, the first PTRS port is a PTRS port actually used by the terminal, and the communication interface is used to perform uplink transmission by the first PTRS port and the transport layer or DMRS port corresponding to the first PTRS port. The embodiment of the terminal corresponds to the above-mentioned method embodiment of the terminal side, and each implementation process and realization form of the above-mentioned method embodiment can be applied to the embodiment of the terminal, and the same technical effects can be achieved.

[0082] Specifically, FIG. 5 is a hardware structure schematic diagram of a terminal for implementing the embodiment of the present application.

[0083] The terminal 500 includes at least some of the following components, but is not limited to: a radio frequency unit 501, a network module 502, an audio output unit 503, an input unit 504, a sensor 505, a display unit 506, a user input unit 507, an interface unit 508, a memory 509, and a processor 510.

[0084] As can be understood by those skilled in the art, the terminal 500 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 510 via a power management system, which may further realize functions such as charge / discharge management and power consumption management. The configuration of the terminal shown in FIG. 5 is not intended to limit the terminal, and the terminal 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.

[0085] It should be understood that in the embodiment of the present application, the input unit 504 may include a graphics processing unit (GPU) 5041 and a microphone 5042 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. The display unit 506 may include a display panel 5061, which may be arranged in the form of a liquid crystal display, an organic light emitting diode, etc. The user input unit 507 includes at least one of a touch panel 5071 and other input devices 5072. The touch panel 5071 is also called a touch screen. The touch panel 5071 may include two parts: a touch detection device and a touch controller. The other input devices 5072 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. Detailed description is omitted here.

[0086] In the embodiment of the present application, the high frequency unit 501 can receive downlink data from the network side device, and then transmit the data to the processor 510 for processing. The high frequency unit 501 can also transmit uplink data to the network side device. Typically, the high frequency unit 501 includes, but is not limited to, an antenna, an amplifier, a receiver-transmitter, a coupler, a low-noise amplifier, a duplexer, etc.

[0087] The memory 509 can be used to store software programs or commands and various data. The memory 509 may mainly include a first storage area for storing programs or commands, which can store an operating system, applications or commands required for at least one function (e.g., audio playback function, image playback function, etc.), and a second storage area for storing data. The memory 509 may also include a volatile memory or a non-volatile memory, or the memory 509 may include both volatile and non-volatile memories. Here, 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. The volatile memory may be Random Access Memory (RAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), Synch link Dynamic Random Access Memory (SLDRAM), and Direct Rambus Random Access Memory (DRRAM). Memory 509 in embodiments of the present application includes, but is not limited to, these and any other suitable memories.

[0088] The processor 510 may include one or more processing units, and may optionally integrate an application processor that mainly processes operations related to an operating system, a user interface, applications, etc., and a modem processor that mainly processes wireless communication signals, such as a baseband processor, in the processor 510. It is understandable that the modem processor may not be integrated in the processor 510.

[0089] Wherein, the processor 510 is used to determine a first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port based on a first TPMI field, the first TPMI field being a TPMI field associated with a target object associated with an uplink transmission of the terminal 500, and the first PTRS port being a PTRS port actually used by the terminal 500; The radio frequency unit 501 is used for performing uplink transmission via the first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port.

[0090] Optionally, if the uplink transmission of the terminal 500 is associated with multiple target objects, the processor 510: for each said target object, determining said first PTRS port and a transport layer or DMRS port corresponding to said first PTRS port based on a first TPMI field associated with said target object; and determining the first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port based on a first TPMI field associated with any of the plurality of target objects.

[0091] Optionally, if the uplink transmission of the terminal 500 is associated with one target object among the multiple target objects, the processor 510 specifically: It is used to determine the first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port based on a first TPMI field associated with the one target object.

[0092] Alternatively, the first PTRS port is a PTRS port corresponding to the uplink transmitting antenna port indicated by the first TPMI field, the transport layer corresponding to the first PTRS port is part or all of the transport layer corresponding to the uplink transmitting antenna port indicated by the first TPMI field, or the DMRS port corresponding to the first PTRS port is part or all of the DMRS port corresponding to the uplink transmitting antenna port indicated by the first TPMI field.

[0093] Optionally, when multiple PTRS ports are configured in the terminal 500 and the uplink transmission of the terminal 500 is associated with multiple target objects, the multiple PTRS ports correspond one-to-one to the multiple target objects, each of the PTRS ports corresponds to a first transport layer associated with a corresponding target object, and the first transport layer includes at least one transport layer.

[0094] Optionally, if multiple PTRS ports are configured in the terminal 500 and the uplink transmission of the terminal 500 is associated with one target object, the processor 510 further: Used to determine a preset PTRS port or a default PTRS port among the multiple PTRS ports as the first PTRS port.

[0095] Optionally, the processor 510 is further adapted to determine a power scaling factor for the first PTRS port based on the first information when the uplink transmission of the terminal 500 is associated with a plurality of target objects; Here, the first information is Coherent property information of a plurality of precoding matrices used in the uplink transmission; the number of PTRS ports of the uplink transmission; and the number of transport layers of the uplink transmission.

[0096] Alternatively, the coherence characteristic information is determined by a plurality of TPMI fields and / or SRI fields received by the terminal 500; and / or the number of PTRS ports includes at least one of a total number of PTRS ports scheduled in the uplink transmission and a number of PTRS ports associated with each of the plurality of target objects; And / or, the number of transport layers includes at least one of the number of transport layers corresponding to each of the target objects and the total number of transport layers corresponding to the multiple target objects.

[0097] The terminal 500 provided in the embodiment of the present application can implement each process implemented in the method embodiment of Fig. 2, and can achieve the same technical effects. In order to avoid duplication, detailed descriptions are omitted here.

[0098] 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 information transmission method embodiment can be realized, and the same technical effects can be achieved. In order to avoid repetition, detailed description is omitted here.

[0099] Wherein, the processor is the processor in the terminal 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.

[0100] The embodiment of the present application further provides 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 embodiment of the information transmission method described above, and can achieve the same technical effects. In order to avoid duplication, detailed description is omitted here.

[0101] 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, system on chips, or the like.

[0102] The embodiments of the present application further provide a computer program / program product, which is stored in a storage medium and executed by at least one processor to realize each process of the above-mentioned information transmission method embodiments and achieve the same technical effects. To avoid repetition, detailed descriptions are omitted here.

[0103] It should be noted that those skilled in the art can imagine that each example unit and algorithm step described in the embodiments disclosed herein can be realized by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are implemented in the form of hardware or software is determined by the specific application and design constraints of the technical solution. For each specific application, experts can implement the described functions using different methods, and such implementation should not be understood as going beyond the scope of the present disclosure.

[0104] It is clearly understood by those skilled in the art that, in order to simplify and simplify the description, the specific operating processes of the above-mentioned systems, devices and units can be referred to the corresponding processes in the embodiments of the method, and detailed descriptions thereof will be omitted here.

[0105] In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be realized in other forms. For example, the above-described apparatus embodiments are merely illustrative, and the division of the units is merely a division of logical functions, and may be divided in other forms when actually implemented, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted or not implemented. In addition, the illustrated or described mutual couplings, direct couplings, or communication connections may be indirect couplings or communication connections via some interfaces, devices, or units, and may be in electrical, mechanical, or other forms.

[0106] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, and may be located in one place or distributed among multiple network units. Some or all of the units may be selected according to actual needs to achieve the objective of the solution of the present embodiment.

[0107] Furthermore, each functional unit in each embodiment of the present disclosure may be integrated into a single processing unit, may exist physically independently, or may be integrated into two or more units into a single unit.

[0108] When the functions are realized in the form of a software functional unit and sold or used as an independent product, they may be stored in a computer-readable storage medium. Based on this view, the technical solution of the present disclosure, a part that substantially contributes to the prior art or a part of the technical solution, can be implemented in the form of a software product, and the computer software product is stored in a storage medium and includes a plurality of instructions that cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method in each embodiment of the present disclosure. The storage medium includes various media that can store program codes, such as a USB memory, a mobile hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.

[0109] Those skilled in the art can understand that all or part of the processes of implementing the methods of the above embodiments can be completed by controlling related hardware through a computer program, and the program can be stored in a computer-readable storage medium, and when the program is executed, it can include the processes of the above embodiments of the methods. The storage medium can be a magnetic disk, an optical disk, a read-only memory (ROM), a random access memory (RAM), etc.

[0110] 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.

[0111] 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 also be realized by hardware, but in many cases the former is a more preferred embodiment. Based on this view, the technical solutions of the present application can be substantially or the part that contributes to the prior art can be embodied in the form of a computer 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.

[0112] 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. A step of the terminal determining a first phase tracking reference signal (PTRS) port and a transport layer or demodulation reference signal (DMRS) port corresponding to the first PTRS port based on a first transmission precoding matrix indicator (TPMI) field, where the first TPMI field is a TPMI field associated with a target object associated with an uplink transmission of the terminal, and the first PTRS port is a PTRS port actually used by the terminal; The terminal performs uplink transmission via the first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port.

2. When the uplink transmission of the terminal is associated with multiple target objects, the step of determining a first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port based on a first TPMI field includes: The terminal determines, for each of the target objects, the first PTRS port and a transport layer corresponding to the first PTRS port based on a first TPMI field associated with the target object; and a step of the terminal determining the first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port based on a first TPMI field associated with any of the plurality of target objects.

3. When the uplink transmission of the terminal is associated with one target object among a plurality of target objects, the step of determining a first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port based on a first TPMI field includes:

2. The method of claim 1, further comprising: the terminal determining, based on a first TPMI field associated with the one target object, the first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port.

4. 4. The method of claim 1, wherein the first PTRS port is a PTRS port corresponding to an uplink transmitting antenna port indicated by the first TPMI field, a transport layer corresponding to the first PTRS port is a part or all of a transport layer corresponding to an uplink transmitting antenna port indicated by the first TPMI field, or a DMRS port corresponding to the first PTRS port is a part or all of a DMRS port corresponding to an uplink transmitting antenna port indicated by the first TPMI field.

5. The step of performing uplink transmission via the first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port includes: The method of claim 1, further comprising the step of: the terminal selecting a transport layer or DMRS port associated with the first PTRS port from the transport layer or DMRS port corresponding to the first PTRS port based on the received PTRS-DMRS association indicator field; and performing uplink transmission via the first PTRS port and the transport layer or DMRS port associated with the first PTRS port.

6. When a plurality of PTRS ports are configured in the terminal and the uplink transmission of the terminal is associated with a plurality of target objects, the plurality of PTRS ports correspond one-to-one to the plurality of target objects, and each of the PTRS ports corresponds to a first transport layer associated with a corresponding target object, and the first transport layer includes at least one transport layer; Or, When multiple PTRS ports are configured in the terminal and the uplink transmission of the terminal is associated with one target object among multiple target objects, the method includes: The method of claim 1 , further comprising the terminal determining a preset PTRS port or a default PTRS port among the plurality of PTRS ports as the first PTRS port.

7. If the uplink transmission of the terminal is associated with multiple target objects, The terminal further includes determining a power scaling factor for the first PTRS port based on first information; The first information is Coherent property information of a plurality of precoding matrices used in the uplink transmission; the number of PTRS ports of the uplink transmission; and A method according to claim 1 , further comprising at least one of: a) determining a number of transport layers of the uplink transmission; and b) determining a number of transport layers of the uplink transmission.

8. The coherence characteristic information is determined by a plurality of TPMI fields and / or SRI fields received by the terminal; and / or the number of PTRS ports includes at least one of a total number of PTRS ports scheduled for the uplink transmission and a number of PTRS ports associated with each of the plurality of target objects; and / or The method of claim 7 , wherein the number of transport layers includes at least one of: a number of transport layers corresponding to each of the target objects; and a total number of transport layers corresponding to the plurality of target objects.

9. A first determination module for determining a first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port based on a first TPMI field, the first TPMI field being a TPMI field associated with a target object associated with an uplink transmission of a terminal, and the first PTRS port being a PTRS port actually used by the terminal; A transmission module for performing uplink transmission via the first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port.

10. When the uplink transmission of the terminal is associated with multiple target objects, the first determination module: for each of the target objects, determining the first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port based on a first TPMI field associated with the target object; and determining the first PTRS port and a transport layer or DMRS port corresponding to the first PTRS port based on a first TPMI field associated with any of the plurality of target objects.

11. When the uplink transmission of the terminal is associated with one target object among a plurality of target objects, the first determining module specifically comprises: The apparatus of claim 9 , further comprising: a first TPMI field associated with the one target object, the first PTRS port being used to determine a transport layer or DMRS port corresponding to the first PTRS port based on the first TPMI field associated with the one target object.

12. 12. The apparatus of claim 9, wherein the first PTRS port is a PTRS port corresponding to an uplink transmitting antenna port indicated by the first TPMI field, a transport layer corresponding to the first PTRS port is a part or all of a transport layer corresponding to an uplink transmitting antenna port indicated by the first TPMI field, or a DMRS port corresponding to the first PTRS port is a part or all of a DMRS port corresponding to an uplink transmitting antenna port indicated by the first TPMI field.

13. When a plurality of PTRS ports are configured in the terminal and the uplink transmission of the terminal is associated with a plurality of target objects, the plurality of PTRS ports correspond one-to-one to the plurality of target objects, and each of the PTRS ports corresponds to a first transport layer associated with a corresponding target object, and the first transport layer includes at least one transport layer; Or, When a plurality of PTRS ports are configured in the terminal, and the uplink transmission of the terminal is associated with one target object among a plurality of target objects, the first determination module further comprises: The apparatus of claim 9 , which is used to determine a preset PTRS port or a default PTRS port among the plurality of PTRS ports as the first PTRS port.

14. and a second determination module for determining a power scaling factor of the first PTRS port based on the first information when the uplink transmission of the terminal is associated with a plurality of target objects; The first information is Coherent property information of a plurality of precoding matrices used in the uplink transmission; the number of PTRS ports of the uplink transmission; and and a number of transport layers of the uplink transmission.

15. A terminal comprising a processor and a memory, wherein a program or command executable on the processor is stored in the memory, and when the program or command is executed by the processor, the steps of the information transmission method according to any one of claims 1 to 8 are realized.

16. A readable storage medium having a program or command stored thereon, the program or command being executed by a processor to implement the steps of the information transmission method according to any one of claims 1 to 8.

17. A chip comprising a processor and a communication interface, the communication interface and the processor being coupled to each other, the processor executing a program or command to implement the steps of the information transmission method according to any one of claims 1 to 8.

18. A computer program / program product stored on a non-transitory storage medium and which, when executed by at least one processor, implements the steps of the information transmission method according to any one of claims 1 to 8.

19. A terminal configured to carry out the steps of the information transmission method according to any one of claims 1 to 8.

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