Signal receiving method and apparatus, and signal sending method and apparatus

Abstract

The present disclosure provides a signal receiving method and apparatus, and a signal sending method and apparatus. The signal receiving method comprises: receiving an indication signaling sent by a network device, the indication signaling being used for determining a first space unit model activated by the network device; determining first ports in an activated state under the first space unit model; on the basis of a mapping relationship between different ports and different resource elements (REs), determining a first RE corresponding to each of the first ports; and receiving on each of the first REs a downlink signal sent by the network device by means of the corresponding first port. The present disclosure supports the network device to dynamically adjust the number of ports in the activated state, such that the transmission of downlink signals is more flexible, thus achieving high availability.

Description

Signal receiving and signal sending method and device TECHNICAL FIELD

[0001] The present disclosure relates to the field of communication, and in particular to a signal receiving and signal sending method and device. BACKGROUND

[0002] Currently, a network device can send the number of ports used by the network device when transmitting downlink signals to a terminal through signaling. However, if the network device dynamically adjusts the number of ports used for transmitting downlink signals based on transmission load, self-energy consumption, or service demand, how the terminal determines the corresponding receiving resources has not yet been solved.

[0003] SUMMARY

[0004] To overcome the problems in the related art, embodiments of the present disclosure provide a signal receiving and signal sending method and device.

[0005] According to a first aspect of embodiments of the present disclosure, a signal receiving method is provided, comprising:

[0006] receiving indication signaling sent by a network device, the indication signaling being used to determine a first spatial unit model activated by the network device;

[0007] determining a first port in an activated state under the first spatial unit model;

[0008] determining a first resource element (RE) corresponding to each first port based on a mapping relationship between different ports and different REs;

[0009] receiving, on each first RE, a downlink signal sent by the network device through the corresponding first port.

[0010] Optionally, the indication signaling is used to indicate:

[0011] a first bitmap, each bit value included in the first bitmap corresponding to a state of a port group, each port group including one or more ports.

[0012] Optionally, the method further comprises:

[0013] determining a plurality of spatial unit models based on first configuration signaling sent by the network device; or

[0014] determining a plurality of spatial unit models based on a protocol predefinition manner.

[0015] Optionally, the first configuration signaling comprises at least one of:

[0016] first radio resource control (RRC) signaling;

[0017] The first media range control element (MAC CE).

[0018] Optionally, the indication signaling is used to indicate:

[0019] A first index value, the first index value being one of a set of index values, the set of index values including index values corresponding to the plurality of spatial unit models one by one.

[0020] Optionally, the method further comprises:

[0021] In the plurality of spatial unit models, a spatial unit model corresponding to the first index value is determined as the first spatial unit model.

[0022] Optionally, the first spatial unit model corresponds to a first bitmap, each bit value included in the first bitmap corresponding to a state of a port group, each of the port groups including one or more ports.

[0023] Optionally, the determining the first port in an activated state under the first spatial unit model comprises:

[0024] A port group with a bit value of a first value in the first bitmap is determined as a first port group.

[0025] Ports included in the first port group are determined as the first port in an activated state.

[0026] Optionally, the method further comprises:

[0027] Based on second configuration signaling sent by the network device, a set of port numbers is determined; or,

[0028] Based on a protocol predefinition manner, a set of port numbers is determined.

[0029] Optionally, the second configuration signaling includes at least one of:

[0030] Second RRC signaling;

[0031] Second MAC CE.

[0032] Optionally, the indication signaling is used to indicate:

[0033] A first number, the first number being one of the set of port numbers.

[0034] Optionally, the determining the first port in an activated state under the first spatial unit model comprises:

[0035] In an order from large to small or from small to large according to port numbers, the first number of ports is determined.

[0036] determining the first number of ports as the first ports in an active state.

[0037] Optionally, the indication signaling comprises at least one of:

[0038] a third MAC CE;

[0039] downlink control information (DCI).

[0040] Optionally, the indication signaling comprises at least one of:

[0041] terminal-specific signaling;

[0042] signaling common to multiple terminals within a same cell;

[0043] signaling common to multiple terminals within a same terminal group.

[0044] Optionally, the downlink signal is a periodically transmitted downlink signal, and the method further comprises:

[0045] in response to receiving third configuration signaling but not the indication signaling, receiving the downlink signal on each second RE, the third configuration signaling being used to configure a number of ports through which the network device transmits the downlink signal, each of the second REs being determined based on each second port in an active state, the number of the second ports being equal to the number of ports.

[0046] Optionally, the downlink signal is a semi-persistently scheduled downlink signal, or the downlink signal is an aperiodically transmitted downlink signal, and the method further comprises:

[0047] in response to receiving third configuration signaling but not trigger signaling, not receiving the downlink signal, the third configuration signaling being used to configure a number of ports through which the network device transmits the downlink signal, the trigger signaling being used to trigger a terminal to receive the downlink signal.

[0048] Optionally, the method further comprises:

[0049] in response to receiving the trigger signaling but not the indication signaling, receiving the downlink signal on each second RE, each of the second REs being determined based on each second port in an active state, the number of the second ports being equal to the number of ports.

[0050] Optionally, the method further comprises:

[0051] in response to receiving the trigger signaling but not the indication signaling, not receiving the downlink signal.

[0052] Optionally, the trigger signaling and the indication signaling are the same signaling.

[0053] According to a second aspect of the embodiments of the present disclosure, a signal sending method is provided, comprising:

[0054] determining the activated first spatial unit model;

[0055] sending indication signaling to the terminal, the indication signaling being used to determine the first spatial unit model activated by the network device;

[0056] determining a first RE corresponding to each first port based on a mapping relationship between different ports and different REs, the first port being a port in an activated state under the first spatial unit model;

[0057] sending a downlink signal to the terminal through the corresponding first port on each first RE.

[0058] Optionally, the indication signaling is used to indicate:

[0059] a first bitmap, each bit value included in the first bitmap corresponding to a state of a port group, each port group including one or more ports.

[0060] Optionally, the method further comprises:

[0061] sending first configuration signaling to the terminal, the first configuration signaling being used to configure a plurality of spatial unit models; or

[0062] determining a plurality of spatial unit models based on a protocol predefined manner.

[0063] Optionally, the first configuration signaling includes at least one of the following:

[0064] first radio resource control (RRC) signaling;

[0065] first media access control (MAC) control element (CE).

[0066] Optionally, the determination of the first spatial unit model comprises:

[0067] determining the first spatial unit model from the plurality of spatial unit models;

[0068] The method further comprises:

[0069] determining a first index value corresponding to the first spatial unit model from a set of index values, the set of index values including index values corresponding one by one to the plurality of spatial unit models.

[0070] Optionally, the indication signaling is used to indicate:

[0071] the first index value.

[0072] Optionally, the first spatial unit model corresponds to a first bitmap, each bit value included in the first bitmap corresponds to a state of a port group, and each of the port groups includes one or more ports.

[0073] Optionally, in the first bitmap, a bit value corresponding to a port group in which the first port is located is a first value.

[0074] Optionally, the method further comprises:

[0075] sending, to the terminal, second configuration signaling, the second configuration signaling being used for configuring a port number set; or

[0076] determining the port number set based on a protocol predefinition manner.

[0077] Optionally, the second configuration signaling includes at least one of the following:

[0078] second RRC signaling;

[0079] second MAC CE.

[0080] Optionally, the method further comprises:

[0081] determining a first number of ports in a descending or ascending order of port numbers;

[0082] determining the first number of ports as the first port in an active state.

[0083] Optionally, the indication signaling is used for indicating:

[0084] the first number.

[0085] Optionally, the indication signaling includes at least one of the following:

[0086] third MAC CE;

[0087] downlink control information DCI.

[0088] Optionally, the indication signaling includes at least one of the following:

[0089] terminal-specific signaling;

[0090] signaling common to multiple terminals in a same cell;

[0091] signaling common to multiple terminals in a same terminal group.

[0092] Optionally, the downlink signal is a periodically transmitted downlink signal, and the method further comprises:

[0093] in response to that the third configuration signaling is sent to the terminal but the indication signaling is not sent, sending the downlink signal to the terminal on each second RE, the third configuration signaling is used for configuring a number of ports of the network device for transmitting the downlink signal, each second RE is determined based on each second port in an active state, and the number of the second ports is equal to the number of the ports.

[0094] Optionally, the downlink signal is a semi-persistent scheduling downlink signal, or the downlink signal is an aperiodic transmission downlink signal, and the method further includes:

[0095] in response to that the third configuration signaling is sent to the terminal but the trigger signaling is not sent, not sending the downlink signal to the terminal, the third configuration signaling is used for configuring a number of ports of the network device for transmitting the downlink signal, and the trigger signaling is used for triggering the terminal to receive the downlink signal.

[0096] Optionally, the method further includes:

[0097] in response to that the trigger signaling is sent to the terminal but the indication signaling is not sent, sending the downlink signal to the terminal on each second RE, each second RE is determined based on each second port in an active state, and the number of the second ports is equal to the number of the ports.

[0098] Optionally, the method further includes:

[0099] in response to that the trigger signaling is sent to the terminal but the indication signaling is not sent, not sending the downlink signal to the terminal.

[0100] Optionally, the trigger signaling is the same as the indication signaling.

[0101] According to a third aspect of the embodiments of the present disclosure, a signal receiving apparatus is provided, including:

[0102] a first receiving module configured to receive indication signaling sent by a network device, the indication signaling being used for determining a first spatial unit model activated by the network device;

[0103] a first determining module configured to determine a first port in an active state under the first spatial unit model;

[0104] a second determining module configured to determine a first RE corresponding to each first port based on a mapping relationship between different ports and different resource elements (REs);

[0105] The second receiving module is configured to receive, on each of the first REs, a downlink signal sent by the network device through a corresponding first port.

[0106] According to a fourth aspect of the embodiments of the present disclosure, a signal sending apparatus is provided, comprising:

[0107] The third determining module is configured to determine the activated first spatial unit model.

[0108] The first sending module is configured to send indication signaling to a terminal, the indication signaling being used to determine the first spatial unit model activated by a network device.

[0109] The fourth determining module is configured to determine, based on a mapping relationship between different ports and different resource elements (REs), a first RE corresponding to each first port, the first port being a port in an activated state under the first spatial unit model.

[0110] The second sending module is configured to send, on each of the first REs, a downlink signal to the terminal through a corresponding first port.

[0111] According to a fifth aspect of the embodiments of the present disclosure, a computer readable storage medium is provided, the storage medium storing a computer program, the computer program being used to execute the signal receiving method of any one of the first aspect.

[0112] According to a sixth aspect of the embodiments of the present disclosure, a computer readable storage medium is provided, the storage medium storing a computer program, the computer program being used to execute the signal sending method of any one of the second aspect.

[0113] According to a seventh aspect of the embodiments of the present disclosure, a signal receiving apparatus is provided, comprising:

[0114] a processor;

[0115] a memory for storing processor-executable instructions;

[0116] The processor is configured to execute the signal receiving method of any one of the first aspect.

[0117] According to an eighth aspect of the embodiments of the present disclosure, a signal sending apparatus is provided, comprising:

[0118] a processor;

[0119] a memory for storing processor-executable instructions;

[0120] The processor is configured to execute the signal sending method of any one of the second aspect.

[0121] The technical solutions provided by the embodiments of the present disclosure can have the following beneficial effects:

[0122] In the embodiments of the present disclosure, the terminal can determine the first spatial unit model activated by the network device in real time based on the indication signaling sent by the network device, thereby determining the receiving resource of the downlink signal, supporting the network device to dynamically adjust the number of ports in the activated state, so that the transmission of the downlink signal is more flexible and has high availability.

[0123] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present disclosure. BRIEF DESCRIPTION OF DRAWINGS

[0124] The accompanying drawings, which are incorporated into and form part of the specification, illustrate embodiments consistent with the present disclosure and, together with the specification, serve to explain the principles of the present disclosure.

[0125] FIG. 1 is a schematic diagram of an NES scenario according to an exemplary embodiment.

[0126] FIG. 2 is a schematic diagram of a signal receiving method flow according to an exemplary embodiment.

[0127] FIG. 3 is a schematic diagram of CSI-RS resource mapping according to an exemplary embodiment.

[0128] FIG. 4 is a schematic diagram of another signal receiving method flow according to an exemplary embodiment.

[0129] FIG. 5A is a schematic diagram of another signal receiving method flow according to an exemplary embodiment.

[0130] FIG. 5B is a schematic diagram of another signal receiving method flow according to an exemplary embodiment.

[0131] FIG. 5C is a schematic diagram of another signal receiving method flow according to an exemplary embodiment.

[0132] FIG. 6 is a schematic diagram of a signal sending method flow according to an exemplary embodiment.

[0133] FIG. 7 is a schematic diagram of another signal sending method flow according to an exemplary embodiment.

[0134] FIG. 8A is a schematic diagram of another signal sending method flow according to an exemplary embodiment.

[0135] FIG. 8B is a schematic diagram of another signal sending method flow according to an exemplary embodiment.

[0136] FIG. 8C is a flow diagram illustrating another method of signaling according to an example embodiment.

[0137] FIG. 9 is a diagram illustrating another CSI-RS resource mapping according to an example embodiment.

[0138] FIG. 10 is a block diagram of a signal receiving apparatus according to an example embodiment.

[0139] FIG. 11 is a block diagram of a signal transmitting apparatus according to an example embodiment.

[0140] FIG. 12 is a diagram illustrating a structure of a signal receiving apparatus according to an example embodiment of the present disclosure.

[0141] FIG. 13 is a diagram illustrating a structure of a signal transmitting apparatus according to an example embodiment of the present disclosure. DETAILED DESCRIPTION

[0142] The example embodiments will be described in detail herein with reference to the attached drawings. The following description is made with reference to the accompanying drawings, in which like reference numerals represent like elements, and secondary reference numerals represent elements with similar functions. The following example embodiments described in the detailed description section are examples not intended to limit the overall scope of the present disclosure. Rather, these example embodiments are intended to illustrate the disclosure in conjunction with the following claims and accompanying drawing figures.

[0143] The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the present disclosure. As used in the present disclosure and the appended claims, the singular forms "a," "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will also be understood that the term "and / or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

[0144] It will be understood that, although the terms first, second, third, etc. can be used herein to describe various information, these terms are not intended to denote a temporal or chronological order. Rather, these terms are used solely to distinguish one from another. For example, a first information can be termed a second information, and, similarly, a second information can be termed a first information, without departing from the scope of the present disclosure. As used herein, the word "if' can be interpreted to mean "when" or "upon" or "in response to determining" taking into account the context in which the term is used.

[0145] In a network energy saving (NES) mode of Release-18 (Rel-18), in order to reduce power consumption of network equipment, the network equipment can dynamically reduce the number of spatial elements corresponding to transmission of downlink data based on dynamic changes of transmission load, so as to reduce network energy consumption.

[0146] In one embodiment, when the network equipment reduces the number of spatial elements for transmission, the number of ports for transmitting downlink signals is reduced, for example, as shown in FIG. 1, the network equipment previously uses 32 ports, i.e., ports with port numbers 3000 to 3031, to transmit downlink signals. After the network equipment starts the NES mode, the network equipment only uses the first 16 ports, i.e., ports with port numbers 3000 to 3015, to transmit downlink signals.

[0147] For a terminal, it cannot determine whether the network equipment starts or stops the NES mode in time, and thus the terminal cannot determine the resource position for receiving downlink signals.

[0148] To solve the above technical problems, the present disclosure provides the following signal receiving and signal sending methods and devices, storage medium, the terminal can determine the first spatial element model activated by the network equipment based on the indication signaling sent by the network equipment, so as to determine the receiving resource of the downlink signal, support the network equipment to dynamically adjust the number of ports in the activated state, so that the transmission of the downlink signal is more flexible and has high availability.

[0149] The following first introduces the signal receiving method provided by the present disclosure from the terminal side.

[0150] The present disclosure provides a signal receiving method, as shown in FIG. 2, which is a flow chart of a signal receiving method according to an embodiment, which can be executed by a terminal. The method can include the following steps:

[0151] The present disclosure provides a signal receiving method, as shown in FIG. 2, which is a flow chart of a signal receiving method according to an embodiment, which can be executed by a terminal. The method can include the following steps:

[0152] In step 201, receiving indication signaling sent by network equipment, the indication signaling is used to determine a first spatial element model activated by the network equipment.

[0153] In the embodiments of the present disclosure, the spatial element pattern refers to a model used by the network device when transmitting a downlink signal through a spatial element. The spatial element includes, but is not limited to, a port of the network device. It should be noted that the port referred to in the present disclosure refers to an antenna port.

[0154] In one possible implementation, the indication signaling can include a third media access control element (Media Access Control Element, MAC CE).

[0155] In another possible implementation, the indication signaling can include downlink control information (Downlink Control Information, DCI).

[0156] In one possible implementation, the indication signaling can include terminal-specific (UE-specific) signaling. For example, the indication signaling can include a third MAC CE specific to the terminal, or include DCI specific to the terminal.

[0157] In another possible implementation, the indication signaling can include signaling common to multiple terminals in the same cell, i.e., cell-specific signaling. For example, the indication signaling can include a third MAC CE common to multiple terminals in the same cell, or include DCI common to multiple terminals in the same cell.

[0158] In another possible implementation, the indication signaling can include signaling common to multiple terminals in the same terminal group. For example, the indication signaling can be group-common DCI.

[0159] The above is only an example for illustration. The signaling used by the terminal to determine the first spatial element model activated by the network device should all fall within the protection scope of the present disclosure.

[0160] In one possible implementation, the indication signaling can be used to indicate a first bitmap, each bit value included in the first bitmap corresponding to the state of a port group, each of the port groups including one or more ports.

[0161] For example, when each port group includes only one port, the number of ports included on the network device is L, and the first bitmap occupies L bits.

[0162] For example, when each port group includes N ports, N being a positive integer greater than 1, the number of ports included on the network device is L, and the first bitmap occupies (L / N) bits, thereby effectively reducing the number of bits occupied by the indication signaling.

[0163] In the embodiments of the present disclosure, the network device can send the first bitmap to the terminal through the third MAC CE or the DCI, and after receiving the first bitmap, the terminal can determine the first spatial unit model activated by the network device based on the first bitmap.

[0164] In another possible implementation, the terminal can first determine a plurality of spatial unit models, and then determine the first spatial unit model from the plurality of spatial unit models based on the indication signaling sent by the network device.

[0165] In one example, the terminal can determine the plurality of spatial unit models based on the first configuration signaling sent by the network device. For example, the first configuration signaling can include but is not limited to a first radio resource control (RRC) signaling and / or a first MAC CE.

[0166] In another example, the terminal can determine the plurality of spatial unit models based on a protocol predefined manner.

[0167] For example, the protocol can directly agree on the plurality of spatial unit models.

[0168] In another example, the terminal can determine the plurality of spatial unit models based on the protocol predefined manner and the first configuration signaling.

[0169] For example, the protocol agrees on optional spatial unit models, and the base station selects part of the spatial unit models through the first configuration signaling. For example, the protocol agrees on optional spatial unit models including at least any one of the following: spatial unit model #1, all ports are in an activated state; spatial unit model #2, ports with odd port numbers are in an activated state; spatial unit model #3, ports with even port numbers are in an activated state; spatial unit model #4, ports with port numbers from 1 to 16 are in an activated state; and spatial unit model #5, ports with port numbers from 17 to 32 are in an activated state. The network device selects spatial unit model #1, spatial unit model #4 and spatial unit model #5 through the first configuration signaling.

[0170] The above is only an example, and the schemes for the terminal to determine the plurality of spatial unit models should all belong to the protection scope of the present disclosure.

[0171] In the embodiments of the present disclosure, the plurality of spatial unit models determined by the terminal correspond to the index values included in the index value set one by one.

[0172] Exemplarily, the plurality of spatial unit models determined by the terminal comprises: a spatial unit model #1, a spatial unit model #4 and a spatial unit model #5, and the index value set is {1, 2, 3}, wherein the index value 1 corresponds to the spatial unit model #1, the index value 2 corresponds to the spatial unit model #4, and the index value 3 corresponds to the spatial unit model #5.

[0173] Correspondingly, the indication signaling can be used to indicate the first index value, which is one of the above index value set.

[0174] After receiving the indication signaling, the terminal determines, from the determined plurality of spatial unit models, a spatial unit model corresponding to the first index value as the first spatial unit model.

[0175] For example, the plurality of spatial unit models determined by the terminal comprises: a spatial unit model #1, a spatial unit model #4 and a spatial unit model #5, and the index value set is {1, 2, 3}, and the first index value sent by the terminal through the third MAC CE or the DCI is 2, and then the terminal determines that the first spatial unit model activated by the network device is the spatial unit model #4.

[0176] In one example, the first spatial unit model can also correspond to a first bit map, and each bit value included in the first bit map corresponds to the state of one port group, and each of the port groups includes one or more ports.

[0177] In another possible implementation, the terminal can first determine a port number set, and then determine the first number from the port number set based on the indication signaling sent by the network device, and determine the first spatial unit model based on the first number.

[0178] The port numbers included in the port number set correspond to different spatial unit models.

[0179] In one example, the terminal can determine the port number set based on the second configuration signaling sent by the network device. Exemplarily, the second configuration signaling can include but is not limited to a second RRC signaling and / or a second MAC CE.

[0180] In another example, the terminal can determine the port number set based on a protocol predefined manner.

[0181] Exemplarily, the protocol can directly stipulate the port number set. For example, the protocol stipulates that the port numbers in the port number set are less than or equal to the maximum port number used when the network device transmits a downlink signal, for example, the maximum port number is 32, and then the port number set is {1, 2, …, 32}.

[0182] In another example, the terminal can determine the port number set based on the protocol predefined manner and the second configuration signaling.

[0183] For example, the number of ports in the set of port numbers is less than or equal to the maximum number of ports used by the network device when transmitting a downlink signal. On this basis, the network device configures the set of port numbers as {8, 16, 32} through the second configuration signaling.

[0184] After the terminal determines the set of port numbers in the above manner, the network device can send indication signaling to indicate a first number, which is one of the set of port numbers. Assuming that the set of port numbers is {8, 16, 32}, the first number indicated by the indication signaling is 16.

[0185] Correspondingly, the terminal determines that the number of ports in the first spatial unit model activated by the network device and in the activated state is 16 based on the first number.

[0186] In step 202, a first port in an activated state in the first spatial mode is determined.

[0187] In one possible implementation, the indication signaling is used to indicate a first bitmap, and the terminal can determine a first port group in the first bitmap whose bit value is a first value as the first port group, and further determine all ports included in the first port group as the first port.

[0188] The first value can be "1" or "0", which is not limited in the present disclosure.

[0189] For example, the first value is "1", the first bitmap indicated by the indication signaling is {11001100}, each port group includes one port, the network device has a total of 8 ports, and the port numbers are from 3000 to 3007. Then the terminal determines that the ports with port numbers 3000, 3001, 3004, and 3005 are the first ports.

[0190] For another example, the first bitmap indicated by the indication signaling is {1010}, each port group includes 2 ports, the network device has a total of 8 ports, and the port numbers are from 3000 to 3007. Then the terminal determines that the ports with port numbers 3000, 3001, 3004, and 3005 are the first ports.

[0191] In another possible implementation, the indication signaling is used to indicate a first index value, and the first spatial unit model corresponds to a first bitmap, each bit value included in the first bitmap corresponds to the state of a port group, and each of the port groups includes one or more ports.

[0192] After determining the first spatial unit model from the plurality of spatial unit models based on the first index value, the terminal can determine the port group with the first bit value as the first port group and the ports included in the first port group as the first ports based on the first bitmap. The specific implementation process has been described in the foregoing embodiments, and will not be described here again.

[0193] In another possible implementation, the indication signaling is used to indicate the first number, and then the terminal can determine the first number of ports in descending order or ascending order of port numbers, and determine the first number of ports as the first ports in the active state.

[0194] For example, the network device has 32 ports, the port numbers are from 3000 to 3031, and the first number indicated by the indication signaling is 16. Then the terminal can determine the ports with the port numbers of 3000, 3001, 3002, …, 3015 as the first ports.

[0195] For example, the network device has 32 ports, the port numbers are from 3000 to 3031, and the first number indicated by the indication signaling is 16. Then the terminal can determine the ports with the port numbers of 3031, 3030, 3029, …, 3016 as the first ports.

[0196] In step 203, a first RE corresponding to each of the first ports is determined based on a mapping relationship between different ports and different resource elements (REs).

[0197] In the embodiments of the present disclosure, each first port can correspond to at least one first RE.

[0198] Taking a channel state information reference signal (CSI-RS) as an example, at present, the terminal can determine the port number of the CSI-RS resource based on the RRC signaling, and further determine the receiving resource of the CSI-RS. In the Rel-18 scenario, if the port number of the CSI-RS resource dynamically changes, the terminal will not be able to determine the receiving resource of the CSI-RS based on the existing mechanism. Considering that in the existing mechanism, different ports of the same CSI-RS resource correspond to different resource elements (REs) under certain configuration conditions. The present disclosure is mainly based on the following background: the mapping relationship between different ports of the same CSI-RS and REs and the CSI-RS sequence is unchanged. Based on the above assumption, if the terminal determines the port actually transmitting the CSI-RS sequence, then based on the mapping relationship, the REs actually receiving the CSI-RS sequence can be determined.

[0199] Exemplarily, the terminal can determine the mapping relationship between the port and the resource element (RE) by using the following formula 1:

[0200] wherein a is the CSI-RS signal in the resource grid, k is the position index of the RE occupying in the frequency domain, l is the OFDM symbol index of the RE occupying in the time domain, the port index is p, β CSIRS is the power control offset in the non-zero power channel state information-reference signal (NZP CSI-RS), w f (k')×w t (l') is the orthogonal sequence in the time domain and the frequency domain, which corresponds to different code division multiplexing (CDM) types, is the reference signal base sequence according to the defined manner, wherein:

[0201] Exemplarily, when the density is 1, the number of ports of the network device is 8, the multiple access type is frequency division-code division multiplexing 2 (fd-CDM2), the frequency domain allocation is 011110, and the OFDM symbol index of the first time domain is 3, the mapping relationship between each port and the RE determined according to the formula 1 is shown in FIG. 3, for example.

[0202] In the embodiment of the present disclosure, the terminal can first determine the number of ports of the CSI-RS resource based on the RRC signaling, and then determine the mapping relationship between each port and the RE, for example, as shown in FIG. 3. Further, the terminal determines the first port in the active state based on the first spatial unit model, and determines the first RE corresponding to each of the first ports according to the previously determined mapping relationship between each port and the RE (the background of the present disclosure is that the mapping relationship between different ports of the same CSI-RS and the CSI-RS sequence is unchanged).

[0203] Suppose that the first ports in the active state include the ports with port numbers 3000, 3001, 3004 and 3005, then the corresponding first REs are also shown in FIG. 3, for example.

[0204] The above is only an exemplary description, when the downlink signal is other signal, the scheme of the terminal determining the first RE corresponding to each of the first ports should also belong to the protection scope of the present disclosure.

[0205] In step 204, on each of the first REs, the terminal receives a downlink signal transmitted by the network device through the corresponding first port.

[0206] In the embodiments of the present disclosure, the terminal can receive, on each of the first REs, a downlink signal transmitted by the network device through the corresponding first port, where the downlink signal includes but is not limited to a CSI-RS.

[0207] In the above embodiments, the terminal can determine the first spatial unit model activated by the network device in real time based on the indication signaling transmitted by the network device, thereby determining the reception resource of the downlink signal, and improving the feasibility of the NES mode.

[0208] In some optional embodiments, referring to FIG. 4, which is a flowchart of a signal receiving method according to an embodiment, the method can be executed by a terminal, and in the embodiments of the present disclosure, the downlink signal transmitted by the network device is a periodically transmitted downlink signal. The method can include the following steps:

[0209] In step 401, in response to receiving the third configuration signaling and not receiving the indication signaling, the terminal receives a downlink signal on each of the second REs.

[0210] In the embodiments of the present disclosure, the third configuration signaling is used to configure the number of ports through which the network device transmits the downlink signal.

[0211] The third configuration signaling can be a third RRC signaling.

[0212] The terminal can determine the second ports in the activated state at this time through the number of ports configured by the third configuration signaling, such as a third RRC signaling, where the number of second ports is equal to the number of ports configured by the third configuration signaling. Furthermore, the terminal can determine the mapping relationship between each of the second REs and the ports based on the above formula 1, as shown in FIG. 3.

[0213] For example, the terminal can determine the number of ports through which the network device transmits the downlink signal through the nrofport parameter included in the third RRC signaling.

[0214] Furthermore, the terminal receives the periodically transmitted downlink signal on each of the second REs.

[0215] Further, when receiving the indication signaling sent by the network device, the terminal determines that the spatial mode of the network device changes, and can perform the steps 201 to 204, to determine the first REs for receiving the downlink signals based on the first spatial unit model currently activated by the network device, and receive the periodically transmitted downlink signals sent by the network device through the corresponding first ports on each of the first REs.

[0216] In the above embodiments, the terminal can determine the first spatial unit model activated by the network device in real time based on the indication signaling sent by the network device, so as to determine the corresponding receiving resources for the periodically transmitted downlink signals, thereby improving the feasibility of the NES mode and improving the availability.

[0217] In some optional embodiments, referring to FIG. 5A, which is a flowchart of a signal receiving method according to an embodiment, the method can be performed by a terminal. In the embodiments of the present disclosure, the downlink signal sent by the network device is a semi-persistent scheduling downlink signal or a non-periodic transmission signal. The semi-persistent scheduling downlink signal needs to be triggered (or activated) by the network device to enable the terminal to perform receiving, and after the network device triggers (or activates) the terminal to receive the semi-persistent scheduling downlink signal, the semi-persistent scheduling downlink signal is transmitted periodically, that is, the semi-persistent scheduling downlink signal is switched to a periodically transmitted downlink signal. The non-periodic transmission signal also needs to be triggered (or activated) by the network device to enable the terminal to perform receiving, but the network device will not send the downlink signal again after triggering (or activating) the terminal to perform receiving. The above method can include the following steps:

[0218] In step 501, in response to receiving the third configuration signaling but not receiving the trigger signaling (or the activation signaling), the downlink signal is not received.

[0219] In the existing scheme, the terminal needs to receive the semi-persistent scheduling downlink signal or the non-periodic transmission signal based on the trigger signaling (or the activation signaling) sent by the network device. Therefore, in the present disclosure, even if the terminal receives the third configuration signaling and determines that the network device activates the first spatial unit model, the terminal will not trigger (or activate) the receiving of the downlink signal because the terminal does not receive the trigger signaling (or the activation signaling) sent by the network device.

[0220] In the embodiments of the present disclosure, the third configuration signaling is used to configure the number of ports through which the network device transmits the downlink signal.

[0221] The third configuration signaling can be a third RRC signaling.

[0222] Exemplarily, the terminal can determine the number of ports configured by the network device to transmit the downlink signal through the third RRC signaling, for example, the nrofport parameter included in the third RRC signaling.

[0223] In the embodiment of the present disclosure, the trigger signaling is signaling for triggering the terminal to receive the semi-persistent scheduling downlink signal or the aperiodic transmission downlink signal.

[0224] The activation signaling is signaling for activating the terminal to receive the semi-persistent scheduling downlink signal or the aperiodic transmission downlink signal.

[0225] Exemplarily, the trigger signaling (or the activation signaling) can adopt a MAC CE or a DCI.

[0226] In step 502, the downlink signal is received on each second RE in response to receiving the trigger signaling (or the activation signaling) but not receiving the indication signaling.

[0227] The indication signaling is used to determine the first spatial unit model activated by the network device.

[0228] It should be noted that the trigger signaling (or the activation signaling) and the indication signaling are different signaling at this time.

[0229] Exemplarily, the trigger signaling (or the activation signaling) can be a DCI, and the indication signaling can be another DCI.

[0230] Exemplarily, the trigger signaling (or the activation signaling) can be a MAC CE, and the indication signaling can be another MAC CE.

[0231] Exemplarily, the trigger signaling (or the activation signaling) can be a DCI, and the indication signaling can be a MAC CE, or the trigger signaling (or the activation signaling) can be a MAC CE, and the indication signaling can be a DCI.

[0232] At this time, the terminal receives the trigger signaling and does not receive the indication signaling, the terminal determines that the network device triggers (or activates) the terminal to receive the downlink signal, and the network device determines the second port in the activated state based on the number of ports configured by the third configuration signaling, for example, the third RRC signaling, the number of the second ports is equal to the number of ports configured by the network device through the third configuration signaling. At this time, the terminal receives the downlink signal on each second RE. The way of determining the second RE is similar to the way of determining the second RE in the above-mentioned embodiment, which will not be described here.

[0233] It should be noted that the step 502 can be replaced by the following steps, for example, as shown in FIG. 5B:

[0234] In step 502', in response to receiving the trigger signaling (or the activation signaling) and not receiving the indication signaling, the downlink signal is not received.

[0235] That is, at this time, the terminal can also not perform the reception of the downlink signal.

[0236] Further, after step 502 or 502', steps 201 to 204 are performed.

[0237] In the above embodiment, the terminal can determine the first spatial unit model activated by the network device in real time based on the indication signaling sent by the network device, so as to determine the corresponding reception resource for the semi-persistent scheduling downlink signal or the aperiodic transmission downlink signal, thereby improving the feasibility of the NES mode and having high availability.

[0238] In some optional embodiments, referring to FIG. 5C, which is a flow chart of a signal reception method according to an embodiment, the method can be performed by a terminal, and in the embodiment of the present disclosure, the downlink signal sent by the network device is a semi-persistent scheduling downlink signal or a non-periodic transmission signal, and the above method can include the following steps:

[0239] In step 501'', in response to receiving the third configuration signaling but not receiving the trigger signaling (or the activation signaling), the downlink signal is not received.

[0240] Step 501'' is similar to the implementation of step 501, and will not be described here.

[0241] Further, the terminal performs steps 201 to 204, and it should be noted that in step 201, the terminal receives the indication signaling and the trigger signaling (or the activation signaling), and at this time, the trigger signaling (or the activation signaling) is the same as the indication signaling.

[0242] That is, in the case where the terminal receives the indication signaling for determining the first spatial unit model activated by the network device, the terminal determines that the trigger signaling (or the activation signaling) is received. In the embodiment of the present disclosure, the trigger signaling is signaling for triggering the terminal to receive the semi-persistent scheduling downlink signal or the aperiodic transmission downlink signal. The activation signaling is signaling for activating the terminal to receive the semi-persistent scheduling downlink signal or the aperiodic transmission downlink signal.

[0243] In the above embodiment, the terminal can determine the spatial unit model activated by the network device in real time based on the indication signaling sent by the network device, so as to determine the corresponding reception resource for the semi-persistent scheduling downlink signal or the aperiodic transmission downlink signal, thereby improving the feasibility of the NES mode and having high availability.

[0244] Next, the signal sending method provided by the present disclosure is introduced from the network device side.

[0245] The signal sending method provided by the present disclosure is introduced from the network device side.

[0246] In step 601, the activated first spatial unit model is determined.

[0247] In the present disclosure, the network device can dynamically determine the first spatial unit model to be activated based on network energy consumption, transmission load, etc.

[0248] In one possible implementation, the network device enables the NES mode and dynamically reduces the number of spatial units for transmitting downlink signals. At this time, the network device can determine the currently activated first spatial unit model in real time.

[0249] In another possible implementation, the network device can first determine a plurality of spatial unit models, and then determine one spatial unit model to be activated from the plurality of spatial unit models. The spatial unit model is the first spatial unit model.

[0250] In one example, the network device can send first configuration signaling to the terminal to configure a plurality of spatial unit models. Exemplarily, the first configuration signaling can include but is not limited to first RRC signaling and / or first MAC CE.

[0251] In another example, the network device can determine the plurality of spatial unit models based on a protocol predefined manner.

[0252] In another example, the network device can determine the plurality of spatial unit models based on a protocol predefined manner and first configuration signaling.

[0253] The above is only an exemplary description. The schemes for determining the plurality of spatial unit models by the network device should all belong to the protection scope of the present disclosure.

[0254] For the network device, after determining the plurality of spatial unit models, one spatial unit model can be selected and activated according to the network energy consumption, transmission load, etc.

[0255] In another possible implementation, the network device can first determine a port number set, wherein the port numbers included in the port number set correspond to different spatial unit models. The network device can select a first number from the port number set to activate the corresponding first spatial unit model.

[0256] In one example, the network device can send, to the terminal, second configuration signaling configuring the set of port numbers. Exemplarily, the second configuration signaling can include, but is not limited to, second RRC signaling, and / or second MAC CE.

[0257] In another example, the network device can determine the set of port numbers based on a protocol predefined manner.

[0258] Exemplarily, the protocol can directly agree on the set of port numbers. For example, the protocol agrees that the set of port numbers is {8, 16, 32, …}.

[0259] In another example, the network device can determine the set of port numbers based on a protocol predefined manner and the second configuration signaling.

[0260] In step 602, indication signaling is sent to the terminal, the indication signaling being used to determine the first spatial unit model activated by the network device.

[0261] In one possible implementation, the indication signaling can include third MAC CE.

[0262] In another possible implementation, the indication signaling can include DCI.

[0263] In one possible implementation, the indication signaling can include terminal-specific (UE-specific) signaling. Exemplarily, the indication signaling can include terminal-specific third MAC CE, or terminal-specific DCI.

[0264] In another possible implementation, the indication signaling can include cell-specific signaling common to multiple terminals in the same cell. Exemplarily, the indication signaling can include cell-specific third MAC CE, or cell-specific DCI common to multiple terminals in the same cell.

[0265] In another possible implementation, the indication signaling can include group-common signaling common to multiple terminals in the same terminal group. Exemplarily, the indication signaling can be group-common DCI.

[0266] The above is only an exemplary illustration, and the signaling used by the terminal to determine the first spatial unit model activated by the network device should all fall within the protection scope of the present disclosure.

[0267] In one possible implementation, the indication signaling can be used to indicate a first bitmap, each bit value included in the first bitmap corresponding to the state of one port group, each of the port groups including one or more ports.

[0268] Exemplarily, when each port group includes only one port, the number of ports included on the network device is L, and the first bitmap occupies L bits.

[0269] Exemplarily, when each port group includes N ports, N being a positive integer greater than 1, the number of ports included on the network device is L, and the first bitmap occupies (L / N) bits, thereby effectively reducing the number of bits occupied by the indication signaling.

[0270] In an embodiment of the present disclosure, the network device can send the first bitmap to the terminal through a third MAC CE or DCI, so that the terminal determines the first spatial unit model activated by the network device.

[0271] In the first bitmap, the network device can set the bit value corresponding to the first port group in which the first port in the activated state to a first value. The first value can be "1" or "0", which is not limited in the present disclosure.

[0272] For example, the first value can be "1", the network device has 8 ports in total, the port numbers are from 3000 to 3007, and under the first spatial unit model currently activated by the network device, the ports with port numbers 3000, 3001, 3004 and 3005 are the first ports in the activated state. The network device can send the first bitmap to the terminal, and the first bitmap is {11001100}.

[0273] For another example, the first value can be "1", the network device has 8 ports in total, the port numbers are from 3000 to 3007, and under the first spatial unit model currently activated by the network device, the ports with port numbers 3000, 3001, 3004 and 3005 are the first ports in the activated state. Among them, the ports with port numbers 3000 and 3001 are a group, and the ports with port numbers 3004 and 3005 are another group. The network device can send the first bitmap to the terminal, and the first bitmap is {1010}.

[0274] In another possible implementation, the network device determines a first spatial unit model from a plurality of spatial unit models, and the network device can determine a first index value corresponding to the first spatial unit model in a set of index values, the index values included in the set of index values correspond to the plurality of spatial unit models one by one.

[0275] Correspondingly, the indication signaling can be used to indicate the first index value.

[0276] In one example, the first spatial model also corresponds to a first bitmap, each bit value included in the first bitmap corresponds to the state of a port group, and each port group includes one or more ports.

[0277] In the first bitmap, the first port group in which the first port in the active state is located corresponds to a first value. The first value can be "1" or "0", and the present disclosure does not limit this.

[0278] In another possible implementation, the network device determines a first number in the set of port numbers, and the indication signaling can be used to indicate the first number.

[0279] The network device determines the first number of ports in ascending order or descending order of port numbers, and determines the first number of ports as the first ports in the active state under the first spatial unit model.

[0280] In step 603, based on the mapping relationship between different ports and different resource elements (REs), a first RE corresponding to each first port is determined, and the first port is a port in the active state under the first spatial unit model.

[0281] In the embodiment of the present disclosure, each first port can correspond to at least one first RE.

[0282] Taking the CSI-RS as an example, at present, the network device can configure the port number of the CSI-RS resource (resource) based on the RRC signaling, where the port number is the number of antenna ports, and further determine the transmission resource of the CSI-RS. In the Rel-18 scenario, if the port number of the CSI-RS resource dynamically changes, the terminal will not be able to determine the reception resource of the CSI-RS based on the existing mechanism. Considering that in the existing mechanism, under certain configuration conditions, different ports of the same CSI-RS resource correspond to corresponding resource elements (such as REs). The present disclosure is mainly based on the following background: the mapping relationship between different ports of the same CSI-RS and REs and the CSI-RS sequence is unchanged. Based on the above assumption, if the network device determines the port of the actually transmitted CSI-RS sequence, based on the mapping relationship, the REs of the actually transmitted CSI-RS sequence can be determined.

[0283] Exemplarily, the network device can determine the mapping relationship between the port and the RE by using formula 1. The specific implementation has been introduced on the terminal side, and will not be repeated here.

[0284] In step 604, on each of the first REs, the network device transmits a downlink signal to the terminal through the corresponding first port.

[0285] In the embodiment of the present disclosure, the network device can transmit a downlink signal to the terminal through the corresponding first port on each first RE, where the downlink signal includes but is not limited to CSI-RS.

[0286] In the above embodiment, the network device can determine the first spatial unit model currently activated by the network device through the indication signaling, and further determine the resource for transmitting the downlink signal under the first spatial unit model, thereby improving the feasibility of the NES mode and improving the availability.

[0287] In some optional embodiments, referring to FIG. 7, which is a flowchart of a signal transmission method according to an embodiment, the method can be performed by a network device, including but not limited to a base station in 4G, 5G or 6G, an access network device, etc. In the embodiment of the present disclosure, the downlink signal transmitted by the network device is a periodically transmitted downlink signal. The method can include the following steps:

[0288] In step 701, in response to that the third configuration signaling is sent to the terminal but the indication signaling is not sent, the downlink signal is sent to the terminal on each second RE.

[0289] In the embodiment of the present disclosure, the third configuration signaling is used to configure the number of ports of the network device for transmitting the downlink signal.

[0290] For example, the network device can configure the number of ports of the network device for transmitting the downlink signal through the nrofport parameter included in the third RRC signaling.

[0291] The network device can determine the second ports in the activated state through the number of ports configured by the third configuration signaling, wherein the number of the second ports is equal to the number of ports configured by the third configuration signaling, and then determine each second RE based on the above formula 1.

[0292] Further, the network device sends the periodically transmitted downlink signal to the terminal on each second RE.

[0293] Further, the network device can perform the above steps 601 to 604, the network device determines the currently activated first spatial unit model, sends the indication signaling to the terminal, and sends the periodically transmitted downlink signal to the terminal on each first RE through the corresponding first port.

[0294] In the above embodiment, the network device can send the indication signaling to the terminal to inform the terminal of the first spatial unit model activated by the network device in real time, thereby improving the feasibility of the NES mode and improving the availability.

[0295] In some alternative embodiments, referring to FIG8A, which is a flowchart illustrating a signal receiving method according to an embodiment, which can be executed by a network device, in this embodiment of the present disclosure, the downlink signal transmitted by the network device is a semi-persistent downlink signal or a non-periodic transmission signal, and the above method may include the following steps:

[0296] In step 801, in response to sending a third configuration signaling to the terminal but not a trigger signaling (or activation signaling), the downlink signal is not sent to the terminal.

[0297] In existing solutions, the terminal needs to receive semi-persistent downlink signals or aperiodic downlink signals based on triggering signaling (or activation signaling) sent by the network device. Therefore, in this disclosure, even if the network device sends a third configuration signaling to the terminal to inform the terminal of the number of ports through which the network device transmits the downlink signals, the network device will not send downlink signals to the terminal if the network device does not send triggering signaling (or activation signaling).

[0298] In this embodiment of the disclosure, the third configuration signaling is used to configure the number of ports on the network device for transmitting the downlink signal.

[0299] The third configuration signaling can be the third RRC signaling.

[0300] For example, a network device can configure the number of ports via a third RRC signaling, such as the nrofport parameter included in the third RRC signaling.

[0301] In this embodiment of the disclosure, the triggering signaling is used to trigger the terminal to receive a semi-persistent downlink signal or an aperiodic downlink signal.

[0302] Activation signaling is used to activate the terminal to receive downlink signals under semi-persistent scheduling or aperiodic transmission.

[0303] For example, the trigger signaling (or activation signaling) can be MAC CE or DCI.

[0304] In step 802, in response to sending the trigger signaling (or activation signaling) to the terminal but not the indication signaling, the downlink signal is sent to the terminal on each second RE.

[0305] It should be noted that the trigger signaling (or activation signaling) and the indication signaling are different signaling at this time.

[0306] For example, the triggering signaling (or activation signaling) can be a DCI, and the indication signaling can be another DCI.

[0307] Exemplarily, the triggering signaling (or the activating signaling) can be a MAC CE, and the indicating signaling can be another MAC CE.

[0308] Exemplarily, the triggering signaling (or the activating signaling) can be a DCI, and the indicating signaling can be a MAC CE, or the triggering signaling (or the activating signaling) can be a MAC CE, and the indicating signaling can be a DCI.

[0309] At this time, the network device has sent the triggering signaling (or the activating signaling), and triggers (or activates) the terminal to receive the downlink signal. Since the network device does not send the indicating signaling, at this time, the network device can send the downlink signal to the terminal. Specifically, the network device can send the downlink signal on each second RE. The network device determines the second RE in a manner similar to the manner of determining the second RE in the above embodiment, and details are not described herein again.

[0310] It should be noted that the step 802 can be replaced by the following steps, for example, as shown in FIG. 8B:

[0311] In step 802', in response to receiving the triggering signaling (or the activating signaling) and not receiving the indicating signaling, the downlink signal is not sent.

[0312] That is, at this time, the network device also does not send the downlink signal.

[0313] Further, after the network device performs the step 802 or the step 802', the network device can perform the above steps 601 to 604.

[0314] In the above embodiment, the network device can send the indicating signaling to the terminal to inform the terminal of the first spatial unit model activated by the network device in real time, to ensure transmission of the semi-persistent scheduling downlink signal or the aperiodic transmission downlink signal, and to improve the feasibility of the NES mode and the high availability.

[0315] In some optional embodiments, referring to FIG. 8C, which is a flow chart of a signal receiving method according to an embodiment, the method can be performed by a network device. In the embodiment of the present disclosure, the downlink signal sent by the network device is a semi-persistent scheduling downlink signal or a non-periodic transmission signal. The above method can include the following steps:

[0316] In step 801'', in response to sending the third configuration signaling to the terminal but not sending the triggering signaling (or the activating signaling), the downlink signal is not sent to the terminal.

[0317] The implementation manner of the step 801'' is similar to that of the step 801, and details are not described herein again.

[0318] After step 801'', the network device can continue to perform steps 601-604 described above. It should be noted that in step 801, the network device sends the indication signaling, and at this time, the trigger signaling (or activation signaling) is the same signaling as the indication signaling. That is, the network device informs the terminal of the first spatial unit model activated by the network device through the same signaling, and triggers (or activates) the terminal to perform reception of the downlink signal through the signaling.

[0319] In the above embodiments, the network device can send indication signaling to the terminal to inform the terminal in real time of the first spatial unit model activated by the network device, ensure transmission of the semi-persistent scheduling downlink signal or the aperiodic transmission downlink signal, and improve the feasibility of the NES mode, with high availability.

[0320] The above scheme is further illustrated as follows.

[0321] Suppose the terminal is a Rel-18 and later version terminal, and the terminal is a terminal supporting the NES feature. In order to reduce the corresponding energy consumption, the network device dynamically reduces the number of transmission antennas based on different communication load scenarios, which may cause the number of ports of the same CSI-RS resource to flexibly change. Or, the network device wants to turn off the NES mode in the case of having turned on the NES mode, and the network device will dynamically increase the number of transmission antennas, which may also cause the number of ports of the same CSI-RS resource to flexibly change.

[0322] Taking the CSI-RS as an example of the downlink signal, the terminal can determine the number of ports of the downlink signal transmitted by the network device based on the third configuration signaling, such as the third RRC signaling, and further determine the reception resource of the CSI-RS. In the Rel-18 scenario, if the number of ports of the CSI-RS resource dynamically changes, the terminal will not be able to determine the reception resource of the CSI-RS based on the existing mechanism. Considering that different ports of the same CSI-RS resource correspond to different resource elements (REs). The present scheme is mainly based on the following background:

[0323] That is, the mapping relationship between different ports of the same CSI-RS and REs and the CSI-RS sequence does not change.

[0324] Based on the above assumption, if the terminal determines the ports of the actually transmitted CSI-RS sequence, based on the mapping relationship, the terminal can determine the REs of the actually received CSI-RS sequence. For example, in the scenario shown in FIG. 1, in one scenario, the terminal determines that the network device actually transmits the ports p3000-p3003 of the CSI-RS sequence at the current time, and the terminal determines that the REs corresponding to the actually received CSI-RS sequence are as shown in FIG. 9.

[0325] Based on the above background, the present application mainly designs a signaling indication mode to indicate the first spatial unit model currently activated by the network device, which helps the terminal determine the receiving resource of the CSI-RS and realizes the consistent understanding between the terminal and the network device.

[0326] In embodiment 1, the terminal receives the third RRC signaling to determine the configuration of the CSI-RS resource, i.e., to determine each second RE of the terminal receiving the CSI-RS when the network device transmits the CSI-RS. Specifically, the second RE can be determined based on the above formula 1.

[0327] In the scenario where the first spatial unit model activated by the network device changes, the network device sends an indication signaling to the terminal for the terminal to determine the first spatial unit model activated by the network device. The indication signaling includes but is not limited to at least one of the following:

[0328] The third MAC CE or DCI.

[0329] In one example, the indication signaling can be a terminal-specific (UE-specific) signaling or a signaling shared by multiple terminals in the same cell (cell-specific), or a signaling shared by multiple terminals in the same terminal group, such as Group-common DCI.

[0330] In one implementation, the indication signaling adopts a bitmap mode, i.e., the indication signaling is used to indicate a first bitmap, and the port number is one-to-one corresponding to the bits included in the first bitmap in the order from low to high or from high to low.

[0331] If the bit value corresponding to a certain port number is 1, the port is in the activated state, i.e., the network device will transmit the CSI-RS through the first port. If the bit value corresponding to a certain port number is 0, the port is in the deactivated state.

[0332] For example, for a network device supporting 8 ports when transmitting the CSI-RS, if the actual transmission port number is reduced to 4, one of the possible indication modes of the indication signaling sent by the network device is 11001100, which indicates that the ports p3000, p3001, p3004, and p3005 are the actual transmission ports of the CSI-RS.

[0333] In one possible implementation, to reduce the bit overhead of the indication signaling, the indication signaling can be in the granularity of N ports, and the N can be determined in a predefined manner, e.g., N = 2, 3, …, or the N can be determined in a signaling indication manner, which is not limited in the present disclosure.

[0334] Exemplarily, for a network device supporting 8 ports when transmitting CSI-RS, if the actual number of transmission ports is reduced to 4, and N is 2, one of the possible indication manners of the indication signaling sent by the network device is 1010, indicating that the ports p3000, p3001, p3004, and p3005 are the actual transmission ports of CSI-RS. Exemplarily, the 1 in the most significant bit (MSB) of 1010 corresponds to the ports p3000 and p3001 being activated.

[0335] In another implementation, the terminal can determine the set of port numbers based on the second configuration signaling or a protocol predefined manner. The network device indicates the first number through the indication signaling, the first number being one of the set of port numbers, and the terminal determines the ports of the first number in descending or ascending order of port numbers, and determines the ports of the first number as the first ports in the activated state. Exemplarily, the terminal selects the first L ports in descending order of port numbers to receive the CSI-RS resource, for example, the selected port numbers are p = 3000, 3001, 3002, …, 3000+L-1. Wherein, L is the first number.

[0336] In this embodiment, the third configuration signaling, for example, the third RRC signaling, is mainly used to configure the related information of the CSI-RS resource, and then the DCI or the third MAC CE is used as the indication signaling to dynamically indicate the first spatial unit model activated by the network device. After the terminal receives the third configuration signaling and before receiving the indication signaling (DCI or third MAC CE), the behavior of the terminal can be determined based on the following scheme:

[0337] In one example, under the condition that the CSI-RS is a periodically transmitted CSI-RS, after the terminal receives the third configuration signaling (for example, the third RRC signaling), the terminal determines the reception of the corresponding CSI-RS resource based on the third configuration signaling, that is, determines to receive and measure the CSI-RS on the second RE after each second RE. After receiving the indication signaling, for example, the DCI and / or the third MAC CE, the terminal determines the first RE based on the updated first spatial unit model, and receives and measures the corresponding CSI-RS on the first RE.

[0338] In one example, under the condition that the CSI-RS is a semi-persistent scheduling or aperiodically transmitted CSI-RS, after the terminal receives the third configuration signaling (for example, the third RRC signaling) and before receiving the trigger signaling (or the activation signaling), the terminal does not receive the CSI-RS.

[0339] After the terminal receives the trigger signaling (or the activation signaling), the terminal receives and measures the CSI-RS on each second RE.

[0340] To solve the above problem, in embodiment 1.1, the triggering signaling (or activation signaling) and the indication signaling are the same signaling, for example, the same DCI or the same MAC CE. After receiving the triggering signaling (or activation signaling), the terminal performs corresponding CSI-RS receiving measurement on each first RE based on the first spatial unit model indicated by the triggering signaling (or activation signaling) and the indication signaling.

[0341] In embodiment 1.2, the triggering signaling (or activation signaling) and the indication signaling are different signaling, for example, different DCI or different MAC CE or one is DCI and the other is MAC CE.

[0342] In embodiment 1.2.1, after receiving the triggering signaling (or activation signaling), the terminal performs receiving measurement of corresponding CSI-RS on each second RE based on the configuration of the third configuration signaling. After receiving the indication signaling, the terminal performs receiving measurement of CSI-RS on each first RE based on the first spatial unit model updated by the network device.

[0343] In embodiment 1.2.2, after receiving the triggering signaling (or activation signaling), the terminal does not perform receiving measurement of corresponding CSI-RS, and only after receiving the indication signaling, the terminal performs receiving measurement of CSI-RS on each first RE based on the first spatial unit model updated by the network device.

[0344] In embodiment 2, the terminal receives a second configuration signaling, for example, a second RRC signaling or a second MAC CE, or determines a plurality of spatial unit models through a pre-defined manner. Further, the network device can indicate a first index value through an indication signaling, for example, a third MAC CE or a DCI. The first index value is one of an index value set, and the index value set includes index values corresponding to the plurality of spatial unit models one by one.

[0345] In an example, the indication signaling can be a terminal-specific (UE-specific) signaling or a signaling shared by multiple terminals in the same cell (cell-specific) or a signaling shared by multiple terminals in the same terminal group, for example, a Group-common DCI.

[0346] The network device can configure multiple spatial unit models through the second configuration signaling, for example, configure a list of spatial unit models, and indicate a first index value corresponding to one of the spatial unit models through the third MAC CE or DCI. The terminal determines the spatial unit model corresponding to the first index value in the list as the first spatial unit model. The configuration manner of the spatial unit models in the list can also be in the bitmap manner, and the specific implementation manner is similar to that in Embodiment 1, which will not be described here. Exemplarily, when the network device supports 8 ports in transmitting the CSI-RS, the list of spatial unit models includes {11111111, 11110000, 11001100}.

[0347] In one possible implementation, to reduce the bit overhead of the second configuration signaling, the indication can be in the granularity of N antennas, and the N can be determined in a predefined manner, for example, N = 2, 3, or the like, or the N can be determined in a signaling indication manner. Exemplarily, when the network device supports 8 ports in transmitting the CSI-RS, the list of spatial unit models includes {1111, 1100, 1010} when N is 2.

[0348] In the present embodiment, the list of spatial unit models is mainly configured through the second configuration signaling or determined in a predefined manner, and the network device sends the indication signaling, for example, sends the DCI or the third MAC CE, to dynamically indicate the first index value corresponding to one of the spatial unit models included in the list.

[0349] After the terminal receives the third configuration signaling (the third configuration signaling is used to configure the related information of the CSI-RS resource) and before receiving the indication signaling (DCI or the third MAC CE), the behavior of the terminal can be determined based on the following scheme:

[0350] In one example, under the condition that the CSI-RS is a periodically transmitted CSI-RS, after the terminal receives the third configuration signaling (for example, the third RRC signaling), the terminal determines the reception of the corresponding CSI-RS resource based on the third configuration signaling, that is, determines to receive and measure the CSI-RS on the second RE after each second RE. After receiving the indication signaling, for example, the DCI and / or the third MAC CE, the terminal determines the first RE based on the updated first spatial unit model, and receives and measures the corresponding CSI-RS on the first RE.

[0351] In one example, under the condition that the CSI-RS is a semi-persistently scheduled or non-periodically transmitted CSI-RS, after the terminal receives the third configuration signaling (for example, the third RRC signaling) and before receiving the trigger signaling (or the activation signaling), the terminal does not receive the CSI-RS.

[0352] The terminal receives the measurement CSI-RS on each second RE after receiving the trigger signaling (or the activation signaling).

[0353] To solve the above problem, in embodiment 2.1, the trigger signaling (or the activation signaling) and the indication signaling are the same signaling, for example, the same DCI or the same MAC CE. After receiving the trigger signaling (or the activation signaling), the terminal performs the corresponding CSI-RS receiving measurement on each first RE based on the first spatial unit model indicated by the trigger signaling (or the activation signaling) and the indication signaling.

[0354] In embodiment 2.2, the trigger signaling (or the activation signaling) and the indication signaling are different signalings, for example, different DCIs or different MAC CEs or one is a DCI and the other is a MAC CE.

[0355] In embodiment 2.2.1, after receiving the trigger signaling (or the activation signaling), the terminal performs the corresponding CSI-RS receiving measurement based on the configuration of the third configuration signaling, that is, receives the measurement CSI-RS on each second RE. After receiving the indication signaling, the terminal performs the corresponding CSI-RS receiving measurement based on the first spatial unit model updated by the network device, that is, receives the measurement CSI-RS on each first RE.

[0356] In embodiment 2.2.2, after receiving the trigger signaling (or the activation signaling), the terminal does not perform the corresponding CSI-RS receiving measurement. After receiving the indication signaling, the terminal performs the corresponding CSI-RS receiving measurement based on the first spatial unit model updated by the network device, that is, receives the measurement CSI-RS on each first RE.

[0357] In the above embodiments, the number of ports in the activated state can be dynamically adjusted by the network device, so that the transmission of the downlink signal is more flexible and has high availability.

[0358] Corresponding to the foregoing application function implementation method embodiments, the disclosure also provides application function implementation device embodiments.

[0359] Referring to FIG. 10, FIG. 10 is a block diagram of a signal receiving device according to an exemplary embodiment, which is applied to a terminal and includes:

[0360] The first receiving module 1001 is configured to receive the indication signaling sent by the network device, and the indication signaling is used to determine the first spatial unit model activated by the network device.

[0361] The first determining module 1002 is configured to determine the first port in the activated state under the first spatial unit model.

[0362] The second determining module 1003 is configured to determine a first RE corresponding to each of the first ports based on a mapping relationship between different ports and different REs.

[0363] The second receiving module 1004 is configured to receive, on each of the first REs, a downlink signal sent by the network device through the corresponding first port.

[0364] Referring to FIG. 11, FIG. 11 is a block diagram of a signal sending device according to an exemplary embodiment, which is applied to a network device and includes:

[0365] The third determining module 1101 is configured to determine an activated first spatial unit model.

[0366] The first sending module 1102 is configured to send, to a terminal, indication signaling used to determine the first spatial unit model activated by the network device.

[0367] The fourth determining module 1103 is configured to determine a first RE corresponding to each first port based on a mapping relationship between different ports and different REs, the first port being a port in an activated state under the first spatial unit model.

[0368] The second sending module 1104 is configured to send, to the terminal, a downlink signal through the corresponding first port on each of the first REs.

[0369] For the device embodiment, since it basically corresponds to the method embodiment, the related parts can be referred to the part of the method embodiment. The device embodiments described above are only schematic, and the units described as separate components can or can not be physically separate, and the components displayed as units can or can not be physical units, i.e., they can be located in one place or distributed on multiple network units. According to the actual selection, some or all of the modules can be implemented to achieve the purpose of the present disclosure. Those skilled in the art can understand and implement without creative labor.

[0370] Correspondingly, the present disclosure also provides a computer readable storage medium, which stores a computer program for executing any of the above signal receiving methods for a terminal side.

[0371] Correspondingly, the present disclosure also provides a computer readable storage medium, which stores a computer program for executing any of the above signal sending methods for a network device side.

[0372] Correspondingly, the disclosure also provides a signal receiving device, comprising:

[0373] a processor;

[0374] a memory for storing processor-executable instructions;

[0375] The processor is configured to perform the signal receiving method described above in any of the terminal sides.

[0376] FIG. 12 is a block diagram illustrating a signal receiving device 1200 according to an exemplary embodiment. For example, the device 1200 can be a terminal such as a mobile phone, a tablet computer, an e-book reader, a multimedia playing device, a wearable device, an in-vehicle user device, an iPad, a smart TV, etc.

[0377] Referring to FIG. 12, the device 1200 can include one or more of the following components: a processing component 1202, a memory 1204, a power supply component 1206, a multimedia component 1208, an audio component 1210, an input / output (I / O) interface 1212, a sensor component 1216, and a communication component 1218.

[0378] The processing component 1202 usually controls overall operations of the device 1200, such as operations associated with display, telephone call, data random access, camera operation and recording operation. The processing component 1202 can include one or more processors 1220 to execute instructions to complete all or part of the steps of the signal receiving method described above. In addition, the processing component 1202 can include one or more modules to facilitate interaction between the processing component 1202 and other components. For example, the processing component 1202 can include a multimedia module to facilitate interaction between the multimedia component 1208 and the processing component 1202. For another example, the processing component 1202 can read executable instructions from the memory to implement the steps of a signal receiving method provided by the embodiments described above.

[0379] The memory 1204 is configured to store various types of data to support operations of the device 1200. Examples of these data include instructions for any application or method operating on the device 1200, contact data, phonebook data, messages, pictures, videos, etc. The memory 1204 can be implemented by any type of volatile or non-volatile storage devices or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic storage, flash memory, magnetic disk or optical disk.

[0380] Power component 1206 provides power to the various components of the device 1200. The power component 1206 can include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for the device 1200.

[0381] The multimedia component 1208 includes a display for the device 1200 to provide an output interface between the device 1200 and a user. In some embodiments, the multimedia component 1208 includes a front-facing camera and / or a rear-facing camera. The front-facing camera and / or the rear-facing camera can receive external multimedia data when the device 1200 is in an operational mode, such as a photographing mode or a video mode. Each of the front-facing camera and the rear-facing camera can be a fixed optical lens system or have a focal length and optical zoom capability.

[0382] The audio component 1210 is configured to output and / or input audio signals. For example, the audio component 1210 includes a microphone (MIC) that is configured to receive an external audio signal when the device 1200 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signal can be further stored in the memory 1204 or transmitted via the communication component 1218. In some embodiments, the audio component 1210 also includes a speaker for outputting an audio signal.

[0383] The I / O interface 1212 provides an interface between the processing component 1202 and peripheral interface modules, which can be a keyboard, a click wheel, buttons, and the like. The buttons can include, but are not limited to, a home button, a volume button, a start button, and a lock button.

[0384] The sensor component 1216 includes one or more sensors for providing various state assessments for the device 1200. For example, the sensor component 1216 can detect an open / closed state of the device 1200, a relative positioning of components, such as a display and a keypad of the device 1200, a change in position of the device 1200 or a component of the device 1200, a presence or absence of user contact with the device 1200, an orientation or acceleration / deceleration of the device 1200, and a temperature change of the device 1200. The sensor component 1216 can include a proximity sensor configured to detect presence of a nearby object without any physical touch. The sensor component 1216 can further include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor component 1216 can further include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

[0385] The communication component 1218 is configured to facilitate wired or wireless communication between the device 1200 and other devices. The device 1200 can access a wireless network based on a communication standard, such as Wi-Fi, 2G, 3G, 4G, 5G or 6G, or a combination thereof. In an exemplary embodiment, the communication component 1218 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 1218 further includes a Near Field Communication (NFC) module to facilitate short-range communication. For example, the NFC module can be implemented based on Radio Frequency Identification (RFID) technology, Infrared Data Association (IrDA) technology, Ultra-WideBand (UWB) technology, Bluetooth (BT) technology and other technologies.

[0386] In an exemplary embodiment, the device 1200 can be implemented by one or more application-specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic elements, for performing any of the above-described signal receiving methods at the terminal side.

[0387] In an exemplary embodiment, a non-transitory machine-readable storage medium including instructions, such as the memory 1204 including instructions, is also provided, which can be executed by the processor 1220 of the device 1200 to complete the above-described signal receiving method. For example, the non-transitory computer-readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disc, and an optical data storage device, etc.

[0388] Accordingly, the present disclosure also provides a signal transmitting device, comprising:

[0389] a processor;

[0390] a memory for storing processor-executable instructions;

[0391] wherein the processor is configured to perform any of the above-described signal transmitting methods at the network device side.

[0392] As shown in FIG. 13, FIG. 13 is a structural schematic diagram of a signal transmitting device 1300 according to an exemplary embodiment. The device 1300 can be provided as a network device. Referring to FIG. 13, the device 1300 includes a processing component 1322, a wireless transmitting / receiving component 1324, an antenna component 1326, and a signal processing part specific to a wireless interface, and the processing component 1322 can further include at least one processor.

[0393] One of the processors in the processing component 1322 can be configured to perform any of the signal transmission methods described above.

[0394] Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the features disclosed herein. It is intended that the specification and examples be considered as exemplary only, with the true scope and spirit of the disclosure being indicated by the following claims.

[0395] It should be understood that the present disclosure is not limited to the precise structures as herein described and illustrated in the drawings, and that various modifications and changes can be made without departing from its scope. The scope of the present disclosure is limited only by the claims that follow.

Claims

1. A signal receiving method, characterized in that, include: Receive indication signaling sent by a network device, the indication signaling being used to determine the first spatial unit model activated by the network device; Determine the first port that is active under the first spatial unit model; Based on the mapping relationship between different ports and different resource units (REs), determine the first RE corresponding to each of the first ports; On each of the first REs, a downlink signal sent by the network device through the corresponding first port is received.

2. The method according to claim 1, characterized in that, The instruction signaling is used to indicate: A first bitmap, wherein each bit value in the first bitmap corresponds to the state of a port group, and each port group includes one or more ports.

3. The method according to claim 1, characterized in that, The method further includes: Based on the first configuration signaling sent by the network device, multiple spatial unit models are determined; or... Multiple spatial unit models are determined based on the protocol predefined method.

4. The method according to claim 3, characterized in that, The first configuration signaling includes at least one of the following: First Radio Resource Control (RRC) signaling; First Media Range Control Unit (MAC CE) 5. The method according to claim 3 or 4, characterized in that, The instruction signaling is used to indicate: The first index value is one of the index value sets, and the index values ​​included in the index value set correspond one-to-one with the plurality of spatial unit models.

6. The method according to claim 5, characterized in that, The method further includes: Among the plurality of spatial unit models, the spatial unit model corresponding to the first index value is determined as the first spatial unit model.

7. The method according to claim 6, characterized in that, The first spatial unit model corresponds to the first bit map, and each bit value in the first bit map corresponds to the state of a port group, and each port group includes one or more ports.

8. The method according to claim 2 or 7, characterized in that, The determination of the first port that is active under the first spatial unit model includes: The port group whose bit value is the first value in the first bit map is determined as the first port group; The ports included in the first port group are identified as the first ports that are in an active state.

9. The method according to claim 1, characterized in that, The method further includes: Based on the second configuration signaling sent by the network device, determine the set of port numbers; or... The set of ports is determined based on a predefined protocol.

10. The method according to claim 9, characterized in that, The second configuration signaling includes at least one of the following: Second RRC signaling; Second MAC CE.

11. The method according to claim 9 or 10, characterized in that, The instruction signaling is used to indicate: The first number is one of the set of port numbers.

12. The method according to claim 11, characterized in that, The determination of the first port that is active under the first spatial unit model includes: Determine the first number of ports in descending or ascending order of port number; The first number of ports are determined as the first ports that are in an active state.

13. The method according to any one of claims 1-12, characterized in that, The instruction signaling includes at least one of the following: Third MAC CE; Downlink Control Information (DCI).

14. The method according to any one of claims 1-13, characterized in that, The instruction signaling includes at least one of the following: Terminal-specific signaling; Signaling shared by multiple terminals within the same cell; Signaling shared by multiple terminals within the same terminal group.

15. The method according to claim 1, characterized in that, The downlink signal is a periodically transmitted downlink signal, and the method further includes: In response to receiving a third configuration signaling but not receiving the indication signaling, the downlink signal is received on each second RE, the third configuration signaling being used to configure the number of ports on which the network device transmits the downlink signal, each second RE being determined based on each second port that is in an active state, the number of second ports being equal to the number of ports.

16. The method according to claim 1, characterized in that, The downlink signal is a semi-persistent downlink signal, or the downlink signal is an aperiodic transmission downlink signal, and the method further includes: In response to receiving a third configuration signaling message but not receiving a trigger signaling message, the downlink signal is not received. The third configuration signaling message is used to configure the number of ports on the network device that transmit the downlink signal, and the trigger signaling message is used to trigger the terminal to receive the downlink signal.

17. The method according to claim 16, characterized in that, The method further includes: In response to receiving the trigger signaling but not receiving the indication signaling, the downlink signal is received on each second RE, each second RE being determined based on each second port that is in an active state, the number of second ports being equal to the number of ports.

18. The method according to claim 16, characterized in that, The method further includes: In response to receiving the trigger signaling but not receiving the indication signaling, the downlink signal is not received.

19. The method according to claim 16, characterized in that, The triggering signaling and the indication signaling are the same signaling.

20. A signal transmission method, characterized in that, include: Determine the first spatial unit model to be activated; Send an indication signaling message to the terminal, the indication signaling message being used to determine the first spatial unit model activated by the network device; Based on the mapping relationship between different ports and different resource units (REs), the first RE corresponding to each first port is determined, where the first port is the port that is in an active state under the first spatial unit model; On each of the first REs, a downlink signal is sent to the terminal through the corresponding first port.

21. The method according to claim 19, characterized in that, The instruction signaling is used to indicate: A first bitmap, wherein each bit value in the first bitmap corresponds to the state of a port group, and each port group includes one or more ports.

22. The method according to claim 20, characterized in that, The method further includes: Send a first configuration signaling message to the terminal, the first configuration signaling message being used to configure multiple spatial unit models; or, Multiple spatial unit models are determined based on the protocol predefined method.

23. The method according to claim 22, characterized in that, The first configuration signaling includes at least one of the following: First Radio Resource Control (RRC) signaling; First Media Range Control Unit (MAC CE) 24. The method according to claim 22 or 23, characterized in that, The determination of the first spatial unit model includes: Among the plurality of spatial unit models, the first spatial unit model is determined; The method further includes: In the set of index values, a first index value corresponding to the first spatial unit model is determined, and the index values ​​included in the set of index values ​​correspond one-to-one with the plurality of spatial unit models.

25. The method according to claim 24, characterized in that, The instruction signaling is used to indicate: The first index value.

26. The method according to claim 24, characterized in that, The first spatial unit model corresponds to the first bit map, and each bit value in the first bit map corresponds to the state of a port group, and each port group includes one or more ports.

27. The method according to claim 21 or 26, characterized in that, In the first bit diagram, the bit value corresponding to the port group where the first port is located is the first value.

28. The method according to claim 20, characterized in that, The method further includes: Send a second configuration signaling message to the terminal, the second configuration signaling message being used to configure the port set; or, The set of ports is determined based on a predefined protocol.

29. The method according to claim 28, characterized in that, The second configuration signaling includes at least one of the following: Second RRC signaling; Second MAC CE.

30. The method according to claim 28 or 29, characterized in that, The method further includes: Determine the first number of ports in descending or ascending order of port number; The first number of ports are determined as the first ports that are in an active state.

31. The method according to claim 30, characterized in that, The instruction signaling is used to indicate: The first number.

32. The method according to any one of claims 20-31, characterized in that, The instruction signaling includes at least one of the following: Third MAC CE; Downlink Control Information (DCI).

33. The method according to any one of claims 20-32, characterized in that, The instruction signaling includes at least one of the following: Terminal-specific signaling; Signaling shared by multiple terminals within the same cell; Signaling shared by multiple terminals within the same terminal group.

34. The method according to claim 20, characterized in that, The downlink signal is a periodically transmitted downlink signal, and the method further includes: In response to sending a third configuration signaling to the terminal but not the indication signaling, the downlink signal is sent to the terminal on each second RE. The third configuration signaling is used to configure the number of ports on the network device for transmitting the downlink signal. Each second RE is determined based on each second port that is in an active state, and the number of second ports is equal to the number of ports.

35. The method according to claim 20, characterized in that, The downlink signal is a semi-persistent downlink signal, or the downlink signal is an aperiodic transmission downlink signal, and the method further includes: In response to sending a third configuration signaling message to the terminal but not a trigger signaling message, the downlink signal is not sent to the terminal. The third configuration signaling message is used to configure the number of ports on the network device that transmit the downlink signal, and the trigger signaling message is used to trigger the terminal to receive the downlink signal.

36. The method according to claim 35, characterized in that, The method further includes: In response to sending the trigger signaling to the terminal but not the indication signaling, the downlink signaling is sent to the terminal on each second RE, each second RE being determined based on each second port that is in an active state, the number of second ports being equal to the number of ports.

37. The method according to claim 35, characterized in that, The method further includes: In response to sending the trigger signaling to the terminal but not sending the indication signaling, the downlink signal is not sent to the terminal.

38. The method according to claim 35, characterized in that, The triggering signaling and the indication signaling are the same signaling.

39. A signal receiving device, characterized in that, include: The first receiving module is configured to receive indication signaling sent by the network device, the indication signaling being used to determine the first spatial unit model activated by the network device; The first determining module is configured to determine the first port that is in an active state under the first spatial unit model; The second determining module is configured to determine the first RE corresponding to each of the first ports based on the mapping relationship between different ports and different resource units (REs); The second receiving module is configured to receive downlink signals sent by the network device through the corresponding first port on each of the first REs.

40. A signal transmitting device, characterized in that, include: The third determining module is configured to determine the activated first spatial unit model; The first sending module is configured to send an indication signaling to the terminal, the indication signaling being used to determine the first spatial unit model activated by the network device; The fourth determining module is configured to determine the first RE corresponding to each first port based on the mapping relationship between different ports and different resource units (REs), wherein the first port is the port that is in an active state under the first spatial unit model; The second transmitting module is configured to transmit downlink signals to the terminal through the corresponding first port on each of the first REs.

41. A computer-readable storage medium, characterized in that, The storage medium stores a computer program for executing the signal receiving method according to any one of claims 1-19.

42. A computer-readable storage medium, characterized in that, The storage medium stores a computer program for executing the signal transmission method according to any one of claims 20-38.

43. A signal receiving device, characterized in that, include: processor; Memory used to store processor-executable instructions; The processor is configured to perform the signal receiving method according to any one of claims 1-19.

44. A signal transmitting device, characterized in that, include: processor; Memory used to store processor-executable instructions; The processor is configured to perform the signal transmission method according to any one of claims 20-38.

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