Communication method and corresponding apparatus

Abstract

Provided in the present application is a communication method. The method comprises: a network device sending a target common signal and resource configuration indication information to a terminal device, wherein the resource configuration indication information is used for indicating that resource configurations of SSB signals comprise an FDM configuration, and at least two SSBs are simultaneously sent in an FDM manner; and on the basis of the resource configuration indication information, the terminal device measuring the SSBs. In the solution provided in the present application, it is unnecessary to send a plurality of SSB signals one by one in a TDM manner, but at least two of the SSB signals can be simultaneously sent in an FDM manner, so as to reduce the time for a network device to send the plurality of SSB signals, and also reduce the time for a terminal device to measure a plurality of first common signals, thereby further reducing the power consumption of the network device and the terminal device.

Description

A communication method and corresponding apparatus

[0001] The present application claims priority to the Chinese patent application No. 202411275935.0, filed on September 11, 2024, and entitled "A communication method and corresponding apparatus", the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0002] The present application relates to the field of communication technology, in particular to a communication method and corresponding apparatus. BACKGROUND

[0003] Each generation of wireless communication system usually has more antennas than the previous generation and is deployed at a higher frequency point. For example, the fourth generation (4G) is deployed at 2 GHz, and the base station of the 4G usually uses 4 transmission (4T) antennas. The fifth generation (5G) is deployed at 3.5 GHz, and the base station of the 5G usually uses 64T antennas. Compared with the 4G, the 5G has more antennas and a higher frequency point, so the 5G uses beam sweeping to improve signal coverage. That is, more narrow beams formed by more antennas are used to compensate for signal attenuation caused by the increase in frequency points. For the above beam sweeping, taking a common signal as an example, the current protocol only supports multiple beams to use time division multiplexing (TDM) to scan, that is, only one common beam can be sent at the same time, and multiple common beams need to use multiple time points to scan.

[0004] The advantage of using time division multiplexing to scan common beams is that the largest antenna gain can be obtained at the same time, but it is not desirable from the perspective of energy saving. Specifically, the multiple beam scanning using time division multiplexing needs to occupy a long time, which causes the base station to be unable to enter the sleep state and increases the time for the terminal device to perform beam measurement, thereby increasing the power consumption of the terminal device.

[0005] Future communication networks will most likely use more antennas and will be deployed at higher frequency points. This means that more beams are needed to improve signal coverage, which will further increase the power consumption caused by beam sweeping. SUMMARY

[0006] The present application provides a communication method for reducing the power consumption caused by beam sweeping. The present application also provides corresponding apparatus, computer-readable storage medium, and computer program product, etc.

[0007] The first aspect of the present application provides a communication method, which can be applied to a first communication device, and the method comprises: receiving a target common signal; wherein the target common signal is at least one first common signal in a first signal set, the first signal set comprises a plurality of first common signals, a first resource configuration of the first signal set comprises a frequency division multiplexing configuration, at least two first common signals in the plurality of first common signals are simultaneously transmitted in a frequency division multiplexing manner, and at least one first common signal in the plurality of first common signals is measured according to the first resource configuration.

[0008] In a possible implementation manner, the first communication device further receives resource configuration indication information, wherein the resource configuration indication information is used to indicate the first resource configuration.

[0009] In the present application, the first communication device can also be a terminal device, or a component or device (for example, a processor, a chip, or a chip system) applied to a terminal device, or a logic module or software capable of realizing all or part of the functions of the terminal device.

[0010] In the present application, the target common signal and the resource configuration indication information can be transmitted by a second communication device, which can be a network device, or a component or device (for example, a processor, a chip, or a chip system) applied to a network device, or a logic module or software (for example, a central unit (CU), a distributed unit (DU), or a radio unit (RU)) capable of realizing all or part of the functions of the network device.

[0011] In this application, the first common signal includes a synchronization signal (SS), or the first common signal includes an SS and a physical broadcast channel (PBCH). Wherein, the SS usually includes a primary synchronization signal (PSS) and / or a secondary synchronization signal (SSS); the PBCH usually includes a Master Information Block (MIB). The SS and the PBCH are also commonly referred to as (synchronization signal and PBCH block, SSB). The MIB can include a radio frame number, time-frequency resource configuration information of a physical downlink control channel (PDCCH), or an index of the first common signal, etc. Each index value can represent the resource location of the first common signal and / or the direction of the transmission beam.

[0012] In this application, the first signal set refers to a set including multiple first common signals. If the first common signal is represented by SSB, the first signal set can include multiple SSBs. For example, if the first signal set includes 8 first common signals, the first signal set can be represented as {SSB1, SSB2, SSB3, SSB4, SSB5, SSB6, SSB7, SSB8}.

[0013] In this application, the resource configuration indication information can be contained in the first common signal, or can be sent independently of the first common signal, such as being sent through a physical downlink shared channel (PDSCH). The resource configuration indication information can at least indicate a frequency division multiplexing (FDM) configuration.

[0014] In the above first aspect, for the multiple signals in the first signal set, it is not necessary to send them one by one in a time division multiplexing (TDM) manner, but at least two first common signals among them can be sent simultaneously in a frequency division multiplexing manner, thereby shortening the time for the second communication device to send multiple first common signals, and also shortening the time for the first communication device to measure multiple first common signals, thereby reducing the power consumption of the second communication device for beam sweeping, and reducing the power consumption of the first communication device for signal measurement.

[0015] It should be noted that the plurality of first common signals can also be sent in time division multiplexing (TDM) mode.

[0016] In a possible implementation, the first resource configuration further includes a time division multiplexing (TDM) configuration, and at least two of the plurality of first common signals are sent in TDM mode.

[0017] In this possible implementation, the first resource configuration includes not only the FDM configuration but also a TDM configuration. For example, the eight first common signals {SSB1, SSB2, SSB3, SSB4, SSB5, SSB6, SSB7, SSB8} in the first signal set, wherein SSB1, SSB2, SSB3, and SSB4 can be sent in FDM mode at a first time, SSB5, SSB6, SSB7, and SSB8 can be sent in FDM mode at a second time, and the four first common signals sent at the first time and the four first common signals sent at the second time are TDM-sent first common signals. In this application, the plurality of first common signals are sent in a combination of FDM and TDM, which takes into account the time and also reduces the excessive occupation of frequency domain resources.

[0018] In a possible implementation, the method further includes receiving at least one second common signal in a second signal set, wherein the second signal set includes a plurality of second common signals, and resources of a common physical downlink control channel (PDCCH) occupied by the plurality of second common signals belong to at least one common control resource set; and resources respectively occupied by at least two first common signals have a many-to-one association relationship with the at least one common control resource set.

[0019] In this application, the second common signal can include a first PDCCH, and the first PDCCH can include scheduling information, wherein the scheduling information is used to schedule a PDSCH, and the PDSCH carries SIB1, on-demand SI, and paging messages in system information (SI). SIB1 is information carried on the PDSCH in the necessary SI; the necessary SI is SI that must be acquired for cell camping and access, and the on-demand SI is non-urgent SI, which generally includes cell reselection and other auxiliary SI. The first PDCCH can also include common control information, which can or can not schedule a PDSCH. The common control information includes at least one of independent system messages that do not need PDCCH scheduling (such as part or all of the system messages carried in the PBCH or MIB described above), paging advance indication, paging wake-up information, SI change indication, and SI indication information.

[0020] In the present application, the second common signal can also include a second common PDCCH, which is different from the first common PDCCH in that the second common PDCCH belongs to the scheduling information or common control information of the next level of the first PDCCH. For example, the first common PDCCH is used to carry the scheduling information or control information of the cell common SI, and the second common PDCCH is used to carry the scheduling information or control information of the beam common SI; wherein the cell includes multiple beams, and the cell can be represented by a cell identifier, and the beam can be represented by an SSB index or other beam index. Alternatively, the first common PDCCH is used to carry the scheduling information or control information of the area common SI, and the second common PDCCH is used to carry the scheduling information or control information of the cell common SI; wherein the area includes multiple cells, and the area can be represented by an area ID, and the cell is represented by a cell identifier.

[0021] In the present application, the time-frequency resources occupied by the second common signal can be composed of a control resource set (CORESET) and a common search space (CSS), wherein the CORESET includes multiple resource blocks (RBs) in the frequency domain, and the CSS includes a time domain detection position, such as a specific detection time slot or a detection symbol position in a further detection time slot.

[0022] In this possible implementation, the resources occupied by the at least two first common signals respectively have a many-to-one association relationship with the at least one common control resource set, so that when the second common signal is transmitted or received, multiple second common signals can be transmitted or received using one common control resource set, which can improve the strength and diversity gain of the second common signal.

[0023] In one possible implementation, the resources occupied by the first common signals transmitted at different time instants are associated with different common control resource sets; and / or, the resources occupied by the frequency division multiplexed at least two first common signals transmitted at the same time instant are associated with the same common control resource set.

[0024] In this possible implementation, the resources occupied by the first common signal have a corresponding relationship with the common control resource set, which can improve the speed of measuring the second common signal by the first communication device.

[0025] In a possible implementation manner, the step of receiving the at least one second common signal in the second signal set comprises: receiving the at least one second common signal in the second signal set through a first transmission mode, and the first transmission mode comprises a single frequency network (SFN) mode or a multi-antenna port mode; and the SFN mode is that multiple beams send the same information at the same frequency and the same time, and the multi-antenna port mode is that multiple beams send information through independent antenna ports.

[0026] In this possible implementation manner, the SFN mode or the multi-antenna port mode is used to receive the second common signal, so that signal strength and diversity gain can be improved.

[0027] In a possible implementation manner, the receiving the at least one second common signal in the second signal set through the first transmission mode comprises: receiving the at least one second common signal in the second signal set according to transmission configuration information, and the transmission configuration information is used to indicate at least two transmission beams in the SFN mode or at least two antenna ports in the multi-antenna port mode.

[0028] In this possible implementation manner, the transmission configuration information can be transmission configuration indication (TCI). The TCI can indicate which transmission receiving points (TRPs) or beams are used to transmit the second common signal, and the index of the beam can be an SSB index. The multiple antenna ports can be associated with the identifiers of the beams or the identifiers of the TRPs respectively. In this application, the transmission configuration information is used to indicate the at least two transmission beams or the at least two TRPs in the SFN mode or the at least two antenna ports in the multi-antenna port mode, so that the receiving speed of the second common signal can be improved.

[0029] In a possible implementation manner, the method further comprises: sending a random access signal according to an uplink association relationship; the uplink association relationship is an association relationship between multiple resources occupied by the first signal set and at least one random access resource set; the at least one random access resource set is a resource used to send a random access signal corresponding to the first signal set, and there is a many-to-one association relationship between the resources occupied by the at least two first common signals and the at least one random access resource set.

[0030] In a possible implementation manner, the random access resource set refers to a random access channel (RACH) resource. In this application, there is a one-to-many association relationship between the resources occupied by the at least two first common signals and the at least one random access resource set. In this way, when the first communication device transmits a random access signal using a certain random access resource set, the second communication device can use multiple receiving beams associated with the random access resource set to receive the random access signal, so as to improve the strength and diversity gain of the random access signal.

[0031] In a possible implementation manner, the resources occupied by the first common signals transmitted at different moments are associated with different random access resource sets; and / or, the resources occupied by the frequency division multiplexed at least two first common signals transmitted at the same moment are associated with the same random access resource set.

[0032] In this possible implementation manner, the resources occupied by the first common signals are associated with the random access resource set, so that the accuracy of the random access signal transmitted by the first communication device can be improved.

[0033] The second aspect of the application provides a communication method applied to a second communication device, the method comprising: determining a first resource configuration of a first signal set; wherein the first signal set comprises a plurality of first common signals, and the first resource configuration comprises a frequency division multiplexing configuration; transmitting a target common signal according to the first resource configuration; wherein the target common signal is at least one of the plurality of first common signals, and at least two first common signals in the plurality of first common signals are transmitted simultaneously in a frequency division multiplexing manner.

[0034] In a possible implementation manner, the second communication device transmits resource configuration indication information, and the resource configuration indication information is used to indicate the first resource configuration.

[0035] In the above second aspect, for the plurality of signals in the first signal set, at least two first common signals can be transmitted simultaneously in a frequency division multiplexing manner instead of being transmitted one by one in a time division multiplexing (TDM) manner, so that the time for the second communication device to transmit the plurality of first common signals is shortened, and the time for the first communication device to measure the plurality of first common signals is also shortened, thereby reducing the power consumption of the second communication device for beam sweeping and the power consumption of the first communication device for signal measurement.

[0036] It should be noted that the plurality of first common signals can also be transmitted in a TDM manner.

[0037] In a possible implementation manner, the first resource configuration further includes a time division multiplexing configuration, and at least two first common signals in the plurality of first common signals are transmitted in a time division multiplexing manner.

[0038] In a possible implementation manner, the method further includes: transmitting at least one second common signal in a second signal set; wherein the second signal set includes a plurality of second common signals, and resources of a common physical downlink control channel (PDCCH) occupied by the plurality of second common signals belong to at least one common control resource set; and resources respectively occupied by the at least two first common signals and the at least one common control resource set have a many-to-one association relationship.

[0039] In a possible implementation manner, resources occupied by first common signals transmitted at different moments are associated with different common control resource sets; and / or, resources occupied by at least two first common signals transmitted in a frequency division multiplexing manner at the same moment are associated with a same common control resource set.

[0040] In a possible implementation manner, the step of transmitting at least one second common signal in a second signal set includes: transmitting at least one second common signal in the second signal set by using a first transmission mode, the first transmission mode including a single frequency network (SFN) mode or a multi-antenna port mode; wherein the SFN mode is that a plurality of beams transmit same information at a same frequency and at a same moment, and the multi-antenna port mode is that a plurality of beams transmit information by using independent antenna ports.

[0041] In a possible implementation manner, the step of transmitting at least one second common signal in a second signal set by using a first transmission mode includes: transmitting at least one second common signal in the second signal set according to transmission configuration information, the transmission configuration information being used to indicate at least two transmission beams in the SFN mode or at least two antenna ports in the multi-antenna port mode.

[0042] In a possible implementation manner, the method further includes: receiving a random access signal according to an uplink association relationship; wherein the uplink association relationship is an association relationship between a plurality of resources occupied by the first signal set and at least one random access resource set; and the at least one random access resource set is a resource used for transmitting a random access signal corresponding to the first signal set, and a many-to-one association relationship exists between resources respectively occupied by the at least two first common signals and the at least one random access resource set.

[0043] In a possible implementation manner, resources occupied by first common signals transmitted at different moments are associated with different random access resource sets; and / or, resources occupied by at least two first common signals transmitted in a frequency division multiplexing manner at the same moment are associated with a same random access resource set.

[0044] The third aspect of the present application provides a communication device, comprising: a transceiver and a processing unit; wherein

[0045] The transceiver is configured to receive a target common signal; wherein the target common signal is at least one first common signal in a first signal set, the first signal set comprises a plurality of first common signals, a first resource configuration of the first signal set comprises a frequency division multiplexing configuration, and at least two first common signals in the plurality of first common signals are transmitted simultaneously in a frequency division multiplexing manner.

[0046] The processing unit is configured to measure at least one first common signal in the plurality of first common signals according to the first resource configuration.

[0047] In a possible implementation, the transceiver is further configured to receive resource configuration indication information, wherein the resource configuration indication information is used to indicate the first resource configuration.

[0048] In a possible implementation, the first resource configuration further comprises a time division multiplexing configuration, and at least two first common signals in the plurality of first common signals are transmitted in a time division multiplexing manner.

[0049] In a possible implementation, the transceiver is further configured to receive at least one second common signal in a second signal set; wherein the second signal set comprises a plurality of second common signals, resources of a common physical downlink control channel (PDCCH) occupied by the plurality of second common signals belong to at least one common control resource set; and resources occupied by at least two first common signals respectively exist a many-to-one association relationship with the at least one common control resource set.

[0050] In a possible implementation, resources occupied by first common signals transmitted at different time instants are associated with different common control resource sets; and / or, resources occupied by at least two first common signals transmitted in a frequency division multiplexing manner at the same time instant are associated with a same common control resource set.

[0051] In a possible implementation, the transceiver is specifically configured to receive at least one second common signal in the second signal set through a first transmission mode, the first transmission mode comprises a single frequency network (SFN) mode or a multi-antenna port mode; wherein the SFN mode is that a plurality of beams transmit the same information at the same frequency and at the same time instant, and the multi-antenna port mode is that a plurality of beams transmit information through independent antenna ports.

[0052] In a possible implementation, the transceiver is specifically configured to receive at least one second common signal in the second signal set according to transmission configuration information, the transmission configuration information is used to indicate at least two transmission beams in the SFN mode, or at least two antenna ports in the multi-antenna port mode.

[0053] In a possible implementation, the transceiver is further configured to send the random access signal according to an uplink association relationship, where the uplink association relationship is an association relationship between a plurality of resources occupied by the first signal set and at least one random access resource set, and where the at least one random access resource set is a resource used to send the random access signal corresponding to the first signal set, and a many-to-one association relationship exists between the resources occupied by the at least two first common signals and the at least one random access resource set.

[0054] In a possible implementation, the resources occupied by the first common signals sent at different moments are associated with different random access resource sets, and / or the resources occupied by the frequency-division multiplexed at least two first common signals sent at the same moment are associated with the same random access resource set.

[0055] The fourth aspect of the present application provides a communication apparatus, comprising: a transceiver and a processing unit; wherein,

[0056] The processing unit is configured to determine a first resource configuration of the first signal set, where the first signal set comprises a plurality of first common signals, and the first resource configuration comprises a frequency-division multiplexing configuration.

[0057] The transceiver is configured to send a target common signal, where the target common signal is at least one of the plurality of first common signals, and at least two first common signals in the plurality of first common signals are sent simultaneously in a frequency-division multiplexing manner.

[0058] In a possible implementation, the transceiver is further configured to send resource configuration indication information, where the resource configuration indication information is used to indicate the first resource configuration.

[0059] In a possible implementation, the first resource configuration further comprises a time-division multiplexing configuration, and at least two first common signals in the plurality of first common signals are sent in a time-division multiplexing manner.

[0060] In a possible implementation, the transceiver is further configured to send at least one second common signal in a second signal set, where the second signal set comprises a plurality of second common signals, resources of a common physical downlink control channel (PDCCH) occupied by the plurality of second common signals belong to at least one common control resource set, and a many-to-one association relationship exists between the resources occupied by the at least two first common signals and the at least one common control resource set.

[0061] In a possible implementation, the resources occupied by the first common signals sent at different moments are associated with different common control resource sets, and / or the resources occupied by the frequency-division multiplexed at least two first common signals sent at the same moment are associated with the same common control resource set.

[0062] In a possible implementation, the transceiver is specifically configured to transmit at least one second common signal in the second signal set in a first transmission mode, the first transmission mode including a single frequency network (SFN) mode or a multi-antenna port mode; and the SFN mode is that multiple beams transmit the same information at the same frequency and at the same time, and the multi-antenna port mode is that multiple beams transmit information through independent antenna ports.

[0063] In a possible implementation, the transceiver is specifically configured to transmit at least one second common signal in the second signal set according to transmission configuration information, the transmission configuration information being used to indicate at least two transmission beams in the SFN mode or at least two antenna ports in the multi-antenna port mode.

[0064] In a possible implementation, the transceiver is further configured to receive a random access signal according to an uplink association relationship, the uplink association relationship being an association relationship between multiple resources occupied by the first signal set and at least one random access resource set, the at least one random access resource set being resources used to transmit a random access signal corresponding to the first signal set, and a many-to-one association relationship existing between resources occupied by the at least two first common signals and the at least one random access resource set.

[0065] In a possible implementation, resources occupied by the first common signals transmitted at different times are associated with different random access resource sets, and / or resources occupied by at least two first common signals transmitted at the same time in frequency division multiplexing are associated with the same random access resource set.

[0066] The fifth aspect of the present application provides a communication apparatus, which includes a processor. The processor is configured to invoke and run a computer program stored in a memory, so that the processor implements the first aspect or any of the implementation manners of the first aspect.

[0067] Optionally, the communication apparatus further includes a transceiver, and the processor is further configured to control the transceiver to transceive signals.

[0068] Optionally, the communication apparatus includes a memory, and the memory stores the computer program.

[0069] The communication apparatus of the fifth aspect can be a device or a chip (system) in a device.

[0070] The sixth aspect of the present application provides a communication apparatus, which includes a processor. The processor is configured to invoke and run a computer program stored in a memory, so that the processor implements the second aspect or any of the implementation manners of the second aspect.

[0071] Optionally, the communication apparatus further includes a transceiver, and the processor is further configured to control the transceiver to transceive signals.

[0072] Optionally, the communication apparatus comprises a memory, and the memory stores a computer program.

[0073] The communication apparatus of the sixth aspect can be a device or a chip (system) in the device.

[0074] The seventh aspect of the present application provides a communication apparatus, which can be the first communication apparatus, or a module or unit (for example, a chip or a chip system or a circuit) in the first communication apparatus performing the method / operation / step / action described in the first aspect or any of the implementation manners of the first aspect.

[0075] The eighth aspect of the present application provides a communication apparatus, which can be the second communication apparatus, or a module or unit (for example, a chip or a chip system or a circuit) in the second communication apparatus performing the method / operation / step / action described in the second aspect or any of the implementation manners of the second aspect.

[0076] The ninth aspect of the present application provides a computer readable storage medium comprising computer instructions, which, when executed on a computer, cause the computer to perform the first aspect or any of the implementation manners of the first aspect.

[0077] The tenth aspect of the present application provides a computer readable storage medium comprising computer instructions, which, when executed on a computer, cause the computer to perform the second aspect or any of the implementation manners of the second aspect.

[0078] The eleventh aspect of the present application provides a computer program product comprising instructions, which, when executed on a computer, cause the computer to perform the first aspect or any of the implementation manners of the first aspect.

[0079] The twelfth aspect of the present application provides a computer program product comprising instructions, which, when executed on a computer, cause the computer to perform the second aspect or any of the implementation manners of the second aspect.

[0080] The thirteenth aspect of the present application provides a chip apparatus comprising a processor, which is configured to invoke a program stored in a memory, so as to cause the processor to perform the first aspect or any of the implementation manners of the first aspect.

[0081] Optionally, the memory is located inside or outside the chip apparatus.

[0082] The fourteenth aspect of the present application provides a chip apparatus comprising a processor, which is configured to invoke a program stored in a memory, so as to cause the processor to perform the second aspect or any of the implementation manners of the second aspect.

[0083] Optionally, the memory is located inside or outside the chip device.

[0084] The fifteenth aspect of the present application provides a communication system, comprising a first communication device for performing the first aspect or any of the implementation manners of the first aspect, and a second communication device for performing the second aspect or any of the implementation manners of the second aspect.

[0085] The technical effects brought by the second aspect, the third aspect or the fourth aspect, or any of the implementation manners of the second aspect, the third aspect or the fourth aspect, and the fifth aspect to the fifteenth aspect can refer to the technical effects brought by the first aspect or any of the implementation manners of the first aspect, which will not be described herein. BRIEF DESCRIPTION OF DRAWINGS

[0086] FIG. 1 is a schematic diagram of a communication system according to an embodiment of the present application;

[0087] FIG. 2 is a schematic diagram of an embodiment of a communication method according to an embodiment of the present application;

[0088] FIGS. 3A to 3D are schematic diagrams of different transmission manners of a plurality of first common signals;

[0089] FIG. 4 is a schematic diagram of another embodiment of a communication method according to an embodiment of the present application;

[0090] FIGS. 5A to 5C are schematic diagrams of a plurality of resource relationships between a first common signal and a second common signal according to an embodiment of the present application;

[0091] FIG. 6 is a schematic diagram of a scenario according to an embodiment of the present application;

[0092] FIG. 7 is a schematic diagram of another embodiment of a communication method according to an embodiment of the present application;

[0093] FIGS. 8A to 8C are schematic diagrams of a plurality of resource relationships between a first common signal and a random access signal according to an embodiment of the present application;

[0094] FIGS. 9 to 13 are schematic diagrams of a plurality of structures of a communication device according to an embodiment of the present application. DETAILED DESCRIPTION

[0095] The embodiments of the present application will be described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. Those skilled in the art can know that, as the technology develops and new scenarios appear, the technical solutions provided by the embodiments of the present application are also applicable to similar technical problems.

[0096] First, some terms in the embodiments of the present application are explained and described, so as to facilitate the understanding of those skilled in the art.

[0097] (1) Terminal device: can be a wireless terminal device capable of receiving network device scheduling and indication information, the wireless terminal device can be a device that provides voice and / or data connectivity to a user, or a handheld device with wireless connection function, or other processing devices connected to a wireless modem.

[0098] The terminal device can communicate with one or more core networks or the Internet through a radio access network (RAN), and the terminal device can be a mobile terminal device, such as a mobile phone (also known as a "cellular" phone, mobile phone), a computer and a data card, for example, it can be a portable, pocket-sized, handheld, computer-built-in or vehicle-mounted mobile device that exchanges voice and / or data with a radio access network. For example, personal communication service (PCS) phones, cordless phones, session initiation protocol (SIP) phones, wireless local loop (WLL) stations, personal digital assistants (PDAs), tablets, wireless transceiver-equipped computers, etc. The wireless terminal device can also be called a subscriber unit, a subscriber station, a mobile station, a remote station, an access point, a remote terminal, an access terminal, a user terminal, a user agent, a subscriber station, a customer premises equipment, a terminal, a user equipment, a mobile terminal, etc.

[0099] By way of example and not limitation, in embodiments of the present application, the terminal device can also be a wearable device. The wearable device can also be referred to as a smart wearable device or a smart wearable device, etc., which is a general term for devices that can be designed and developed by applying wearable technology to daily wear, such as glasses, gloves, watches, clothing, and shoes, etc. The wearable device is a portable device that can be directly worn on the body or integrated into the user's clothes or accessories. The wearable device is not only a hardware device, but also a powerful function realized through software support and data interaction, cloud interaction. The broad sense of wearable smart devices includes full-featured, large-sized devices that can realize complete or partial functions without relying on smart phones, such as smart watches or smart glasses, etc., and devices that focus on a certain application function and need to be used with other devices such as smart phones, such as various smart wristbands, smart helmets, smart jewelry, etc.

[0100] The terminal can also be a drone, a robot, a terminal in device-to-device (D2D) communication, a terminal in vehicle to everything (V2X), a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal in industrial control, a wireless terminal in self driving, a wireless terminal in telemedicine or telehealth services, a wireless terminal in smart grid, a wireless terminal in transportation safety, a wireless terminal in smart city, a wireless terminal in smart home, etc.

[0101] In addition, the terminal device can also be a terminal device in a future communication system (such as a 5G Advanced communication system, etc.) after the 5th generation (5G) communication system or a terminal device in a future evolved public land mobile network (PLMN), etc. For example, the 5G Advanced network can further expand the form and function of the 5G communication terminal, and the 5G Advanced terminal includes but is not limited to vehicles, cellular network terminals (with satellite terminal functions), drones, internet of things (IoT) devices.

[0102] In the embodiments of the present application, the terminal device can also obtain an artificial intelligence (AI) service provided by the network device. Optionally, the terminal device can also have AI processing capability.

[0103] (2) Network device: can be a device in a wireless network, for example, the network device can be a RAN node (or device) for accessing the terminal device to the wireless network, which can also be referred to as a base station. At present, some examples of RAN devices are: base station, evolved NodeB (eNodeB), base station gNB (gNodeB) in 5G communication system, transmission reception point (TRP), evolved Node B (eNB), radio network controller (RNC), Node B (NB), home base station (for example, home evolved Node B, or home Node B, HNB), base band unit (BBU) or wireless fidelity (Wi-Fi) access point (AP) and the like. In addition, in one network structure, the network device can include a central unit (CU) node, or a distributed unit (DU) node, or a RAN device including a CU node and a DU node.

[0104] Optionally, the RAN node can also be a macro base station, a micro base station or an indoor station, a relay node or a donor node, or a wireless controller in a cloud radio access network (CRAN) scenario. The RAN node can also be a server, a wearable device, a vehicle or a vehicle-mounted device, etc. For example, the access network device in vehicle-to-everything (V2X) technology can be a road side unit (RSU).

[0105] In another possible scenario, multiple RAN nodes cooperate to assist a terminal to implement wireless access, and different RAN nodes respectively implement part of functions of a base station. For example, a RAN node can be a CU, a DU, a CU-control plane (CP), a CU-user plane (UP), or a radio unit (RU), etc. The CU and the DU can be separately configured, or can be included in the same network element, for example, in a baseband unit (BBU). The RU can be included in a radio frequency device or a radio frequency unit, for example, in a remote radio unit (RRU), an active antenna unit (AAU), a radio head (RH), or a remote radio head (RRH).

[0106] In different systems, the CU (or CU-CP and CU-UP), the DU, or the RU can also have different names, but those skilled in the art can understand their meanings. For example, in an open RAN (O-RAN or ORAN) system, the CU can also be referred to as an O-CU (open CU), the DU can also be referred to as an O-DU, the CU-CP can also be referred to as an O-CU-CP, the CU-UP can also be referred to as an O-CU-UP, and the RU can also be referred to as an O-RU. For the convenience of description, the CU, the CU-CP, the CU-UP, the DU, and the RU are taken as examples for description in this application. Any one of the CU (or the CU-CP, the CU-UP), the DU, and the RU in this application can be implemented by a software module, a hardware module, or a combination of a software module and a hardware module.

[0107] The communication between the access network device and the terminal device follows a certain protocol layer structure. The protocol layer can include a control plane protocol layer and a user plane protocol layer. The control plane protocol layer can include at least one of the following: a radio resource control (RRC) layer, a packet data convergence protocol (PDCP) layer, a radio link control (RLC) layer, a media access control (MAC) layer, or a physical (PHY) layer, etc. The user plane protocol layer can include at least one of the following: a service data adaptation protocol (SDAP) layer, a PDCP layer, an RLC layer, a MAC layer, or a physical layer, etc.

[0108] For the correspondence between the network elements in the ORAN system and the protocol layer functions that can be implemented by the network elements, refer to Table 1 below.

[0109] Table 1

[0110] The network device can be another device that provides a wireless communication function for the terminal device. Embodiments of the present application do not limit the specific technology and specific device form adopted by the network device. For the convenience of description, embodiments of the present application do not limit.

[0111] The network device can also include a core network device, for example, a mobility management entity (MME) in a fourth generation (4G) network, a home subscriber server (HSS), a serving gateway (S-GW), a policy and charging rules function (PCRF), a public data network gateway (PDN gateway or P-GW), an access and mobility management function (AMF) in a 5G network, a user plane function (UPF), a session management function (SMF), and other network elements. In addition, the core network device can also include other core network devices in a 5G network and a next-generation network of the 5G network.

[0112] In the embodiments of the present application, the network device mentioned above can also be an AI-capable network node, which can provide AI services for terminal devices or other network devices, for example, AI nodes, computing power nodes, AI-capable RAN nodes, AI-capable core network elements, etc. on the network side (access network or core network), and the network device can also be a cloud server or a virtual machine (VM).

[0113] In the embodiments of the present application, the device for implementing the function of the network device can be a network device or a device capable of supporting the network device to implement the function, such as a chip system, which can be arranged in the network device. In the technical solutions provided in the embodiments of the present application, the device for implementing the function of the network device is taken as an example to describe the technical solutions provided in the embodiments of the present application.

[0114] (3) The terms "system" and "network" in the embodiments of the present application can be used interchangeably. "Multiple" means two or more. "And / or" describes the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B can represent the following three cases: A exists alone, A and B exist together, and B exists alone, where A and B can be singular or plural. The character " / " generally represents an "or" relationship between the associated objects. "At least one of the following" or similar expressions means any combination of these items, including any combination of single or multiple items. For example, "at least one of A, B, and C" includes A, B, C, AB, AC, BC, or ABC. In addition, unless otherwise specified, the ordinal numbers "first", "second", etc. mentioned in the embodiments of the present application are used to distinguish multiple objects, and are not used to limit the order, time sequence, priority or importance of the multiple objects.

[0115] (4) In the embodiments of the present application, "sending" and "receiving" represent the direction of signal transmission. For example, "sending information to XX" can be understood as that the destination of the information is XX, which can include direct sending through the air interface, or indirect sending through the air interface by other units or modules. "Receiving information from YY" can be understood as that the source of the information is YY, which can include direct receiving from YY through the air interface, or indirect receiving from YY through the air interface by other units or modules. "Sending" can also be understood as the "output" of the chip interface, and "receiving" can also be understood as the "input" of the chip interface.

[0116] In other words, sending and receiving can be between devices, such as between network devices and terminal devices, or within devices, such as between components, modules, chips, software modules or hardware modules within a device through a bus, wire or interface.

[0117] It can be understood that the information may be processed as necessary between the source and the destination of the information transmission, such as encoding and modulation, but the destination can understand the valid information from the source. Similar expressions in the present application can be similarly understood, and will not be repeated here.

[0118] (5) In embodiments of the present application, “indication” can include direct indication and indirect indication, and can also include explicit indication and implicit indication. The information indicated by certain information (indication information described below) is referred to as to-be-indicated information. In the implementation process, there are many ways to indicate the to-be-indicated information, for example but not limited to, the to-be-indicated information can be directly indicated, such as the to-be-indicated information itself or an index of the to-be-indicated information. The to-be-indicated information can also be indirectly indicated by indicating other information, where the other information and the to-be-indicated information have an association relationship. The to-be-indicated information can also be indicated only by a part of the to-be-indicated information, and the other part of the to-be-indicated information is known or agreed in advance. For example, the indication of a specific information can be achieved by means of the arrangement order of each information agreed in advance (for example, protocol predefined), thereby reducing the indication overhead to a certain extent. The present application does not limit the specific manner of indication. It can be understood that the indication information can be used to indicate the to-be-indicated information for the sender of the indication information, and the indication information can be used to determine the to-be-indicated information for the receiver of the indication information.

[0119] In the present application, the same or similar parts between various embodiments can be mutually referred to, unless otherwise specified. In various embodiments of the present application, and various methods / designs / implementation manners in each embodiment, the terms and / or descriptions between different embodiments, and between various methods / designs / implementation manners in each embodiment are consistent and can be mutually referred to, unless otherwise specified and logically conflicted. The technical features in different embodiments, and in various methods / designs / implementation manners in each embodiment can be combined to form new embodiments, methods, or implementation manners according to their inherent logical relationship. The implementation manners of the present application described below do not constitute a limitation on the protection scope of the present application.

[0120] The present application can be applied to a long term evolution (LTE) system, a new radio (NR) system, or a future communication system after 5G. The communication system includes at least one network device and / or at least one terminal device.

[0121] Please refer to FIG. 1 for a schematic diagram of an architecture of a communication system to which embodiments of the present application are applied. As shown in FIG. 1, the communication system can include a radio access network (RAN) 100, and optionally, the communication system can further include a core network (CN) 200 and an Internet 300. The RAN 100 includes at least one RAN node 110 (e.g., 110a and 110b in FIG. 1, collectively referred to as 110), and at least one terminal device (e.g., 120a-120j in FIG. 1, collectively referred to as 120). The RAN 100 can further include other RAN nodes, such as a wireless relay device and / or a wireless backhaul device (not shown in FIG. 1). The terminal devices 120 are wirelessly connected to the RAN nodes 110, and the RAN nodes 110 are connected to the CN 200 by wire or wirelessly. The core network devices in the CN 200 and the RAN nodes 110 in the RAN 100 can be independent and different physical devices, or can be the same physical device integrated with the logical functions of the core network devices and the logical functions of the RAN nodes. The terminal devices and the terminal devices, and the RAN nodes and the RAN nodes can be connected to each other by wire or wirelessly.

[0122] In the above communication system, if the common beams are scanned by time division multiplexing, the advantage is that the maximum antenna gain can be obtained at the same time, but it is not desirable from the perspective of energy saving. Specifically, the multi-beam scanning by time division multiplexing needs to occupy a long time, which causes the base station to be unable to enter the sleep state, and also increases the time for the terminal device to perform beam measurement, and increases the power consumption of the terminal device.

[0123] Based on the above reasons, embodiments of the present application provide a communication method for reducing power consumption caused by beam scanning. The present application describes the corresponding communication process from the perspective of the interaction between the first communication device and the second communication device. The first communication device can also be a terminal device, or a component or device (such as a processor, a chip, or a chip system, etc.) applied to a terminal device, or a logic module or software capable of realizing all or part of the functions of the terminal device. The second communication device can be a network device, or a component or device (such as a processor, a chip, or a chip system, etc.) applied to a network device, or a logic module or software (such as a CU, a DU, or a RU, etc.) capable of realizing all or part of the functions of the network device.

[0124] As shown in FIG. 2, the communication method provided by the embodiments of the present application includes:

[0125] S201. The second communication device determines a first resource configuration of a first signal set.

[0126] The first signal set includes a plurality of first common signals, and the first resource configuration includes a frequency division multiplexing configuration.

[0127] In the present application, the first common signal comprises a synchronization signal (SS), or the first common signal comprises the SS and a physical broadcast channel (PBCH). Wherein, the SS usually comprises a primary synchronization signal (PSS) and / or a secondary synchronization signal (SSS); the PBCH usually comprises a Master Information Block (MIB). The SS and the PBCH are also commonly referred to as a (synchronization signal and PBCH block, SSB). The MIB can comprise a radio frame number, time-frequency resource configuration information of a physical downlink control channel (PDCCH), or an index of the first common signal, etc. Each index value can represent the resource location of the first common signal and / or the direction of the transmission beam.

[0128] In the present application, the first signal set refers to a set comprising a plurality of first common signals. If the first common signal is represented by SSB, the first signal set can comprise a plurality of SSBs. For example, if the first signal set comprises 8 first common signals, the first signal set can be represented as {SSB1, SSB2, SSB3, SSB4, SSB5, SSB6, SSB7, SSB8}.

[0129] S202. The second communication device transmits a target common signal according to the first resource configuration. Correspondingly, the first communication device receives the target common signal.

[0130] Optionally, the second communication device transmits resource configuration indication information, and correspondingly, the first communication device receives the resource configuration indication information. Wherein, the resource configuration indication information is used to indicate the first resource configuration.

[0131] Wherein, the target common signal is at least one of the plurality of first common signals, and the resource configuration indication information is used to indicate that at least two first common signals of the plurality of first common signals are simultaneously transmitted in a frequency division multiplexing manner.

[0132] In the present application, the resource configuration indication information can be contained in the first common signal, or can be sent independently of the first common signal, such as being sent through a physical downlink control channel (PDCCH) or a physical downlink shared channel (PDSCH). The resource configuration indication information can at least indicate a frequency division multiplexing (FDM) configuration.

[0133] If the first resource configuration only includes FDM, it means that multiple first common signals in the first signal set are sent simultaneously, such as taking the first signal set as {SSB1, SSB2, SSB3, SSB4, SSB5, SSB6, SSB7, SSB8} as an example. The transmission form of the eight first common signals can be understood by referring to FIG. 3A and FIG. 3B.

[0134] As shown in FIG. 3A, the eight first common signals can be sent by the same second communication device, which simultaneously sends eight beams, each of which carries a first common signal, such as the eight beams in FIG. 3A, which respectively carry SSB1, SSB2, SSB3, SSB4, SSB5, SSB6, SSB7, and SSB8.

[0135] As shown in FIG. 3B, the eight first common signals can be sent by multiple second communication devices, such as the four second communication devices (TRP1, TRP2, TRP3, and TRP4) in FIG. 3B. Each of the four second communication devices sends two beams, such as the two beams sent by TRP1 carrying SSB1 and SSB2 respectively, the two beams sent by TRP2 carrying SSB3 and SSB4 respectively, the two beams sent by TRP3 carrying SSB5 and SSB6 respectively, and the two beams sent by TRP4 carrying SSB7 and SSB8 respectively.

[0136] S203. The first communication device measures at least one of the multiple first common signals according to the first resource configuration.

[0137] Optionally, the first communication device acquires resource configuration indication information and determines the first resource configuration according to the resource configuration indication information.

[0138] The scheme provided in the embodiments of the present application is that the second communication device does not need to send multiple signals in the first signal set one by one in a time division multiplexing (TDM) manner, but at least two first common signals can be sent simultaneously in a frequency division multiplexing (FDM) manner, thereby shortening the time for the second communication device to send multiple first common signals and shortening the time for the first communication device to measure multiple first common signals, thereby reducing the power consumption of the second communication device for beam scanning and reducing the power consumption of the first communication device for signal measurement.

[0139] The above FIG. 3A and FIG. 3B introduce the case that multiple first common signals are sent simultaneously in an FDM manner, and actually, in the present application, the first resource configuration can also include a time division multiplexing (TDM) configuration, and at least two first common signals in the multiple first common signals are sent in a TDM manner. That is, the sending of multiple first common signals has both FDM configuration and TDM configuration. For example, 8 first common signals {SSB1, SSB2, SSB3, SSB4, SSB5, SSB6, SSB7, SSB8} in the first signal set, wherein SSB1, SSB2, SSB3 and SSB4 can be sent in a FDM manner at a first time, and SSB5, SSB6, SSB7 and SSB8 can be sent in a FDM manner at a second time, and the four first common signals sent at the first time and the four first common signals sent at the second time are first common signals sent in a TDM manner. In the present application, the combination of FDM and TDM can be referred to as TFDM, and the TFDM scenario for sending the above 8 first common signals can be understood with reference to FIG. 3C and FIG. 3D.

[0140] As shown in FIG. 3C, the 8 first common signals can be sent by the same second communication device, which sends 4 beams at a first time (tl), and each beam carries a first common signal, such as the 4 beams in FIG. 3C, which respectively carry SSB1, SSB2, SSB3 and SSB4. The second communication device sends 4 beams at a second time (t2), and each beam carries a first common signal, such as the 4 beams in FIG. 3C, which respectively carry SSB5, SSB6, SSB7 and SSB8.

[0141] As shown in FIG. 3D, the eight first common signals can be sent through multiple second communication devices, as shown in FIG. 3D, there are four second communication devices (TRP1, TRP2, TRP3 and TRP4), wherein TRP1 and TRP2 send at the same time at the first time (tl), such as: two beams sent by TRP1 respectively carry SSB1 and SSB2, and two beams sent by TRP2 respectively carry SSB3 and SSB4. TRP3 and TRP4 send at the same time at the second time (t2), such as: two beams sent by TRP3 respectively carry SSB5 and SSB6, and two beams sent by TRP4 respectively carry SSB7 and SSB8.

[0142] In the embodiments of the present application, the multiple first common signals are sent in a combination of FDM and TDM, which can reduce the excessive occupation of frequency domain resources while considering time.

[0143] Optionally, as shown in FIG. 4, the communication method provided by the embodiments of the present application further includes:

[0144] S401. The second communication device generates at least one second common signal in the second signal set; wherein the second signal set includes multiple second common signals.

[0145] In the present application, the second common signal can include a first PDCCH, and the first PDCCH can include scheduling information, wherein the scheduling information is used to schedule a PDSCH, and the PDSCH carries SIB1, on-demand SI and paging messages in system information (SI). SIB1 is information carried on PDSCH in essential SI; essential SI is SI that must be acquired for cell camping and access, and on-demand SI is non-urgent acquired SI, which generally includes cell reselection and other auxiliary SI. The first PDCCH can also include common control information, which can or can not schedule PDSCH, and the common control information includes at least one of independent system messages (such as part or all of the system messages carried in the PBCH or MIB described above) that do not need PDCCH scheduling, paging advance indication, paging wake-up information, SI change indication, and SI indication information.

[0146] In the present application, the second common signal can also include a second common PDCCH, which is different from the first common PDCCH in that the second common PDCCH belongs to the scheduling information or common control information of the next level of the first PDCCH. For example, the first common PDCCH is used to carry the scheduling information or control information of the cell common SI, and the second common PDCCH is used to carry the scheduling information or control information of the beam common SI; wherein the cell includes multiple beams, and the cell can be represented by a cell identifier, and the beam can be represented by an SSB index or other beam index. Alternatively, the first common PDCCH is used to carry the scheduling information or control information of the area common SI, and the second common PDCCH is used to carry the scheduling information or control information of the cell common SI; wherein the area includes multiple cells, and the area can be represented by an area ID, and the cell is represented by a cell identifier.

[0147] In the present application, the resources of the common physical downlink control channel PDCCH occupied by the plurality of second common signals belong to at least one common control resource set; the resources occupied by the at least two first common signals have a many-to-one association relationship with the at least one common control resource set.

[0148] In the present application, the time-frequency resources occupied by the second common signal can be composed of a control resource set (CORESET) and a common search space (CSS), wherein the CORESET includes a plurality of resource blocks (RBs) in the frequency domain, and the CSS includes a time domain detection position, such as a specific detection time slot or a detection symbol position in a further detection time slot.

[0149] S402. The second communication device sends at least one second common signal in the second signal set. Correspondingly, the first communication device receives at least one second common signal in the second signal set.

[0150] In the present application, the relationship between the resources occupied by the first common signal and the resources occupied by the second common signal is related to TDM and FDM; if the first common signal and the second common signal are sent or received in TDM mode, the relationship between the corresponding resources can be understood with reference to FIG. 5A; if the first common signal and the second common signal are sent or received in pure FDM mode, the relationship between the corresponding resources can be understood with reference to FIG. 5B; if the first common signal and the second common signal are sent or received in TFDM (TDM+FDM) mode, the relationship between the corresponding resources can be understood with reference to FIG. 5C.

[0151] As shown in FIG. 5A, when the second communication device transmits the first common signals and the second common signals in a pure TDM manner, 8 first common signals, i.e., SSB1 to SSB8 are transmitted at different time instants; the second common signals take the PDCCH as an example, 8 second common signals, i.e., PDCCH1 to PDCCH8 are transmitted at different time instants. Among them, the resources occupied by SSB1 to SSB8 and the resources occupied by PDCCH1 to PDCCH8 have a one-to-one relationship. As shown in FIG. 5A, the resources occupied by SSB1 correspond to the resources occupied by PDCCH1, the resources occupied by SSB2 correspond to the resources occupied by PDCCH2, the resources occupied by SSB3 correspond to the resources occupied by PDCCH3, the resources occupied by SSB4 correspond to the resources occupied by PDCCH4, the resources occupied by SSB5 correspond to the resources occupied by PDCCH5, the resources occupied by SSB6 correspond to the resources occupied by PDCCH6, the resources occupied by SSB7 correspond to the resources occupied by PDCCH7, and the resources occupied by SSB8 correspond to the resources occupied by PDCCH8.

[0152] As shown in FIG. 5B, when the second communication device transmits the first common signals and the second common signals in a pure FDM manner, 8 first common signals, i.e., SSB1 to SSB8 are transmitted at different frequency domain resources at the same time; and 8 second common signals, i.e., PDCCH1 to PDCCH8 can be transmitted at the same time on a common control resource set. It can be seen that there is an 8-to-1 relationship between the resources occupied by the 8 first common signals and the resources occupied by the 8 second common signals. If the number of first common signals is N, and the transmission is performed in the manner shown in FIG. 5B, there is an N-to-1 relationship between the resources occupied by the N first common signals and the resources occupied by the second common signals, where N is an integer greater than 1.

[0153] As shown in FIG. 5C, when the second communication device transmits the first common signals and the second common signals in a TFDM (TDM+FDM) manner, 4 first common signals, i.e., SSB1 to SSB4 are transmitted at the first time instant using different frequency domain resources at the same time, and 4 second common signals, i.e., PDCCH1 to PDCCH4 can be transmitted at the same time on a common control resource set 1. It can be seen that there is a 4-to-1 relationship between the resources occupied by SSB1 to SSB4 and the common control resource set 1 occupied by PDCCH1 to PDCCH4.

[0154] The other four first common signals, SSB5 to SSB8, are transmitted simultaneously at a second time instant using different frequency domain resources, while the four second common signals, PDCCH5 to PDCCH8, can be transmitted simultaneously on another common control resource set 2. It can be seen that the resources occupied by SSB5 to SSB8 and the common control resource set 2 occupied by PDCCH5 to PDCCH8 have a 4-to-1 relationship.

[0155] The pure FDM case described in FIG. 5B or the FDM and TDM combined case described in FIG. 5C both have a many-to-one relationship between the resources occupied by at least two first common signals and at least one common control resource set. In this way, when transmitting or receiving second common signals, multiple second common signals can be transmitted or received using one common control resource set, which can improve the strength and diversity gain of the second common signals.

[0156] From the scheme described in FIG. 5C, it can also be seen that the resources occupied by the first common signals transmitted at different time instants are associated with different common control resource sets; and / or, the resources occupied by at least two first common signals transmitted at the same time instant are associated with the same common control resource set. For example, the resources occupied by SSB1 to SSB4 transmitted simultaneously are associated with the same common control resource set 1; the resources occupied by SSB5 to SSB8 transmitted simultaneously are associated with the same common control resource set 2; and SSB1 and SSB5 transmitted at different time instants are respectively associated with different common control resource sets, i.e., respectively associated with common control resource set 1 and common control resource set 2.

[0157] The relationship between the resources occupied by the first common signals and the resources occupied by the second common signals can be referred to as a downlink association relationship. The downlink association relationship between the resources occupied by the first common signals and the common control resource sets shown in FIG. 5B and FIG. 5C can be understood as a first downlink association relationship; the relationship between the resources occupied by the first common signals and the resources occupied by the second common signals shown in FIG. 5A can be understood as a second downlink association relationship.

[0158] In the above S402, the second communication device can transmit at least one second common signal in the second signal set through a first transmission mode; correspondingly, the first communication device can receive at least one second common signal in the second signal set through the first transmission mode; wherein the first transmission mode includes a single frequency network (SFN) mode or a multi-antenna port mode; wherein the SFN mode is that multiple beams transmit the same information at the same frequency and the same time instant, and the multi-antenna port mode is that multiple beams transmit information through independent antenna ports.

[0159] The SFN mode refers to that multiple beams or multiple TRPs transmit the same information at the same frequency and at the same time, so that the information forms signal combination at the first communication device side, and the received signal strength can be improved.

[0160] In the present application, the multi-antenna port mode refers to that multiple beams or multiple TRPs transmit the same information through independent antenna ports, so that soft information combination can be performed after independent channel equalization at the first communication device side, and diversity and combination gain can be obtained.

[0161] The first transmission mode described above can be indicated by transmission configuration information, which is used to indicate at least two transmission beams (such as beams identified by SSB indexes or other signals or resource indexes that can represent beams) in the SFN mode, or at least two antenna ports in the multi-antenna port mode.

[0162] The transmission configuration information can be a transmission configuration indication (TCI). The TCI can indicate which transmission receiving points (TRPs) or beams are used to transmit the second common signal. The indexes of the beams can be SSB indexes. For example, SSB1 is associated with beam1, SSB2 is associated with beam2, or SSB1 to SSB4 are associated with beam1 to beam4, and the indication mode of the TCI can be various, which is not limited in the present application.

[0163] The multiple antenna ports can also be associated with the identification of the beams or the identification of the TRPs, respectively. For example, SSB1 is associated with antenna port1, SSB2 is associated with antenna port2, or SSB1 to SSB4 are associated with antenna port1 to antenna port4, which is not limited in the present application. The antenna port here is generally represented by the demodulation reference signal of the second common signal. The above-mentioned association of the antenna port with the SSB index is equivalent to the association of the demodulation reference signal with the SSB index, such as the association of the demodulation reference signal1 representing antenna port1 with SSB1, and the association of the demodulation reference signal2 representing antenna port2 with SSB2.

[0164] In the present application, at least two transmission beams or at least two TRPs in the SFN mode, or at least two antenna ports in the multi-antenna port mode are indicated by the transmission configuration information, which can improve the reception speed of the second common signal.

[0165] The transmission configuration information (indication) of the first transmission mode can be determined by the first common signal or other SI, or can be determined according to the pure FDM or TFDM or the first downlink association relationship, for example, if it is determined that the first common signal adopts the first resource configuration, it can be determined that the second common signal can be transmitted or received by using the first transmission mode (SFN mode or multi-antenna port mode). Of course, if it is determined that the first common signal adopts the second resource configuration, that is, the pure TDM mode, it can be determined that the second common signal is transmitted or received by using the second transmission mode (non-SFN mode or single-antenna port mode).

[0166] The SFN mode or the multi-antenna port mode can be understood with reference to FIG. 6. As shown in FIG. 6, the plurality of TRPs can transmit the second common signal by using the SFN mode or the multi-antenna port mode.

[0167] Optionally, the common PDCCH in the embodiment of the application supports the first communication device to receive by using a low-power receiver, such as an on-off keying (OOK) or sequence receiver. Specifically, at least one of the following features can be provided:

[0168] The first PDCCH adopts a switching type modulation signal, and the most typical low-power wake-up signal is an OOK or frequency-shift keying (FSK) modulation signal in the academic field. Taking OOK as an example, on a given time-frequency resource, the presence or absence of energy is used to carry the original bit information of the downlink control information (DCI) through energy detection, so that the OOK signal can be received by using a low-power receiver, such as an envelope detection method, which can achieve a reception power consumption at least one order of magnitude lower than that of a 5G normal OFDM receiver. FSK is to carry information by energy detection on two frequency resources, and the rest is similar to OOK.

[0169] The first PDCCH adopts a sequence receiver, that is, the original information bits of the first DCI are carried by detecting a plurality of candidate sequences. For example, given N time-frequency resources, each of which can use M sequences for transmission, a maximum of N*log2M original bit information can be carried, and the terminal determines the original bit information by blindly detecting each candidate sequence on each time-frequency resource. The sequence receiver can achieve low-power reception because sequence detection can be implemented by low-power correlation operation, which is much simpler than the complex channel estimation and coding and decoding operations of a traditional receiver.

[0170] Optionally, as shown in FIG. 7, the communication method provided by the embodiment of the application further includes:

[0171] S701. The first communication device determines an uplink association relationship.

[0172] The uplink association relationship is an association relationship between a plurality of resources occupied by the first signal set or a plurality of first common signals included in the first signal set and at least one random access resource set; the at least one random access resource set is a resource used for sending a random access signal corresponding to the first signal set, and there is a many-to-one association relationship between the resources occupied by the at least two first common signals and the at least one random access resource set.

[0173] In the embodiments of the present application, the random access resource set includes a plurality of random access resources, and each random access resource includes three resource dimensions of time domain resources, frequency domain resources and preamble resources. Different random access resources can be different in all three dimensions of resources, or different in one or two dimensions of resources.

[0174] Currently, when at least two first common signals are sent in a pure TDM manner, there is a one-to-one association relationship or a one-to-many association relationship between the resources occupied by the at least two first common signals and the random access resource set.

[0175] As shown in FIG. 8A, taking SSB as an example of the first common signal, the resource pool for transmitting the random access signal includes a plurality of random access resource sets, such as random access resource set 1 to random access resource set 9.

[0176] In FIG. 8A, the second communication device sends eight first common signals, i.e., SSB1 to SSB8, in a pure TDM manner at different time instants; the resource occupied by each first common signal can be associated with one or more different random access resource sets. For example, SSB1 is associated with random access resource set 1, SSB2 is associated with random access resource set 2, SSB3 is associated with random access resource set 3, SSB4 is associated with random access resource set 4, SSB5 is associated with random access resource set 5, SSB6 is associated with random access resource set 6, SSB7 is associated with random access resource set 7, SSB8 is associated with random access resource set 8, and SSB8 is also associated with random access resource set 9. In the relationship shown in FIG. 8A, SSB1 to SSB7 are in a one-to-one association relationship with random access resource set 1 to random access resource set 7, and SSB8 is in a one-to-two association relationship with random access resource set 8 and random access resource set 9. Of course, FIG. 8A is only an example, and in practice, there can be a one-to-one association relationship or a one-to-many association relationship.

[0177] The many-to-one association relationship between the resources occupied by the at least two first common signals and the at least one random access resource set can be understood with reference to FIG. 8B and FIG. 8C.

[0178] As shown in FIG. 8B, when the second communication device transmits 8 first common signals in a pure FDM manner, i.e., SSB1 to SSB8 are transmitted simultaneously on different frequency domain resources; wherein the resources occupied by each first common signal can be associated with the same random access resource set, which can include the random access resource set 4 associated with the resources occupied by SSB1 to SSB8 shown in FIG. 8A.

[0179] In FIG. 8B, there are 8-to-1 relationships between the resources occupied by the 8 first common signals and the random access resource set 4 for transmitting random signals. If the number of first common signals is N, and transmitted in the manner shown in FIG. 8B, there are N-to-1 relationships between the resources occupied by the N first common signals and the random access resource set for transmitting random access signals, where N is an integer greater than 1.

[0180] As shown in FIG. 8C, when the second communication device transmits 8 first common signals in a TFDM (TDM+FDM) manner, the transmission is divided into a first time and a second time, wherein 4 first common signals, i.e., SSB1 to SSB4, are transmitted simultaneously on different frequency domain resources at the first time, and another 4 first common signals, i.e., SSB5 to SSB8, are transmitted simultaneously on different frequency domain resources at the second time. Among them, the resources occupied by SSB1 to SSB4 are associated with the random access resource set 2, and there is a 4-to-1 association relationship between the resources occupied by SSB1 to SSB4 and the random access resource set 2. The resources occupied by SSB5 to SSB8 are associated with the random access resource set 7. There is a 4-to-1 association relationship between the resources occupied by SSB5 to SSB8 and the random access resource set 7.

[0181] As can be seen from the above schemes shown in FIG. 8B and FIG. 8C, the resources occupied by the first common signals transmitted at different times are associated with different random access resource sets; and / or, the resources occupied by at least two first common signals transmitted at the same time in frequency division multiplexing are associated with the same random access resource set. For example, the resources occupied by SSB1 to SSB4 transmitted simultaneously are associated with the same random access resource set 2; the resources occupied by SSB5 to SSB8 transmitted simultaneously are associated with the same random access resource set 7; and first common signals transmitted at different times, such as SSB1 and SSB5, are respectively associated with different random access resource sets, i.e., respectively associated with the random access resource set 2 and the random access resource set 7.

[0182] The relationship between the resource occupied by the first common signal and the resource occupied by the random access signal can be referred to as an uplink association relationship. The uplink association relationship between the resource occupied by the first common signal and the random access resource set shown in FIG. 8B and FIG. 8C can be understood as a first uplink association relationship. The relationship between the resource occupied by the first common signal and the resource occupied by the random access signal shown in FIG. 8A can be understood as a second uplink association relationship.

[0183] S702. The first communication device transmits the random access signal according to the uplink association relationship. Correspondingly, the second communication device receives the random access signal according to the uplink association relationship.

[0184] In the scheme provided by the embodiments of the present application, there is a many-to-one association relationship between the resource occupied by the at least two first common signals and the at least one random access resource set. In this way, when the first communication device transmits the random access signal using a certain random access resource set, the second communication device can receive the random access signal using multiple receiving beams associated with the random access resource set, so that the strength and diversity gain of the random access signal can be improved.

[0185] The above describes the communication system and the communication method in the embodiments of the present application. The communication device provided by the embodiments of the present application is described below.

[0186] Referring to FIG. 9, the communication device 900 provided by the embodiments of the present application can realize the functions of the first communication device or the second communication device in the above-mentioned method embodiments, and thus can also realize the beneficial effects possessed by the above-mentioned method embodiments. In the embodiments of the present application, the communication device 900 can be the first communication device or the second communication device, or can be an integrated circuit or an element etc. inside the first communication device or the second communication device, such as a chip, a baseband chip, a modem chip, an SoC chip (such as an SoC chip containing a modem core), a SIP chip, a communication module, a chip system, a processor, etc.

[0187] It should be noted that the transceiver unit 902 can include a transmitting unit and a receiving unit, which are respectively used for performing transmission and reception.

[0188] In a possible implementation, when the apparatus 900 is configured to perform the method performed by the first communication apparatus in FIG. 2 and related embodiments, the apparatus 900 includes a processing unit 901 and a transceiver unit 902; the transceiver unit 902 is configured to receive a target common signal and resource configuration indication information, where the resource configuration indication information is used to indicate a first resource configuration of a first signal set corresponding to the target common signal, the first resource configuration includes a frequency division multiplexing configuration, the first signal set includes a plurality of first common signals, at least two first common signals in the plurality of first common signals are simultaneously transmitted in a frequency division multiplexing manner, and the target common signal is at least one of the plurality of first common signals. The processing unit 901 is configured to measure at least one of the plurality of first common signals according to the resource configuration indication information.

[0189] In a possible implementation, when the apparatus 900 is configured to perform the method performed by the second communication apparatus in FIG. 2 and related embodiments, the apparatus 900 includes a processing unit 901 and a transceiver unit 902; the processing unit 901 is configured to determine a first resource configuration of a first signal set; where the first signal set includes a plurality of first common signals, and the first resource configuration includes a frequency division multiplexing configuration; and the transceiver unit 902 is configured to transmit a target common signal; where the target common signal is at least one of the plurality of first common signals, and at least two first common signals in the plurality of first common signals are simultaneously transmitted in a frequency division multiplexing manner.

[0190] In a possible design, when the communication apparatus 900 is a terminal device or a communication module in a terminal, the function of the processing unit 901 can be implemented by one or more processors. Specifically, the processor can include a modem chip, a SoC chip (such as a SoC chip including a modem core), or a SIP chip. The function of the transceiver unit 902 can be implemented by a transceiver circuit.

[0191] In a possible design, when the communication apparatus 900 is a circuit or chip responsible for communication functions in a terminal device, such as a modem chip or a SoC chip or a SoC chip including a modem core or a SIP chip, the function of the processing unit 901 can be implemented by a circuit system including one or more processors or processor cores in the above chip. The function of the transceiver unit 902 can be implemented by an interface circuit or a data transceiver circuit on the above chip.

[0192] It should be noted that the information execution process and the like of the units of the above communication apparatus 900 can be specifically referred to the description in the method embodiments described above, and will not be described here.

[0193] Please refer to Fig. 10, which is another schematic structural diagram of a communication apparatus 1000 provided in the present application, the communication apparatus 1000 comprises a logic circuit 1001 and an input / output interface 1002. Wherein, the communication apparatus 1000 can be a chip or an integrated circuit.

[0194] Wherein, the transceiver unit 902 shown in Fig. 9 can be a communication interface, which can be the input / output interface 1002 in Fig. 10, the input / output interface 1002 can comprise an input interface and an output interface. Alternatively, the communication interface can also be a transceiver circuit, which can comprise an input interface circuit and an output interface circuit.

[0195] In a possible implementation, when the apparatus 1000 is configured to perform the method performed by the first communication apparatus in Fig. 2 and related embodiments, the input / output interface 1002 is configured to receive target common signals and resource configuration indication information, wherein the resource configuration indication information is used to indicate a first resource configuration of a first signal set corresponding to the target common signals, the first resource configuration comprises a frequency division multiplexing configuration, the first signal set comprises a plurality of first common signals, at least two first common signals in the plurality of first common signals are transmitted simultaneously in a frequency division multiplexing manner, and the target common signals are at least one of the plurality of first common signals. The logic circuit 1001 is configured to measure at least one of the plurality of first common signals according to the resource configuration indication information.

[0196] In a possible implementation, when the apparatus 1000 is configured to perform the method performed by the second communication apparatus in Fig. 2 and related embodiments, the logic circuit 1001 is configured to determine a first resource configuration of a first signal set, wherein the first signal set comprises a plurality of first common signals, and the first resource configuration comprises a frequency division multiplexing configuration. The input / output interface 1002 is configured to transmit target common signals, wherein the target common signals are at least one of the plurality of first common signals, and at least two first common signals in the plurality of first common signals are transmitted simultaneously in a frequency division multiplexing manner.

[0197] Wherein, the logic circuit 1001 and the input / output interface 1002 can also perform other steps performed by the first communication apparatus or the second communication apparatus in any of the embodiments and achieve the corresponding beneficial effects, which will not be described here.

[0198] In a possible implementation, the processing unit 901 shown in Fig. 9 can be the logic circuit 1001 in Fig. 10.

[0199] Optionally, the logic circuit 1001 can be a processing apparatus, and the functions of the processing apparatus can be partially or entirely implemented by software. Wherein, the functions of the processing apparatus can be partially or entirely implemented by software.

[0200] Optionally, the processing apparatus can include a memory and a processor, wherein the memory is configured to store a computer program, and the processor is configured to read and execute the computer program stored in the memory to perform the corresponding processing and / or steps in any one of the method embodiments.

[0201] Optionally, the processing apparatus can only include the processor. The memory for storing the computer program is located outside the processing apparatus, and the processor is connected with the memory through a circuit / wire to read and execute the computer program stored in the memory. The memory and the processor can be integrated together, or can be physically independent of each other.

[0202] Optionally, the processing apparatus can be one or more chips, or one or more integrated circuits. For example, the processing apparatus can be one or more field-programmable gate arrays (FPGA), application specific integrated circuits (ASIC), system on chips (SoC), central processing units (CPU), network processors (NP), digital signal processors (DSP), micro controller units (MCU), programmable logic devices (PLD) or other integrated chips, or any combination of the above chips or processors, etc.

[0203] Please refer to FIG. 11, which shows a communication apparatus 1100 provided by the embodiments of the present application and related to the above embodiments. The communication apparatus 1100 can be the communication apparatus as the terminal device in the above embodiments, and the example shown in FIG. 11 is implemented by the terminal device (or a component in the terminal device).

[0204] Optionally, the communication apparatus 1100 can include but is not limited to at least one processor 1101 and a communication port 1102.

[0205] Optionally, the transceiver unit 902 shown in FIG. 9 can be a communication interface, which can be the communication port 1102 in FIG. 11. The communication port 1102 can include an input interface and an output interface. Alternatively, the communication port 1102 can also be a transceiver circuit, which can include an input interface circuit and an output interface circuit.

[0206] Further optionally, the apparatus can further include at least one of a memory 1103, a bus 1104, and in an embodiment of the present application, the at least one processor 1101 is configured to control processing of actions of the communication apparatus 1100.

[0207] Further, the processor 1101 can be a central processing unit, a general purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array, or other programmable logic device, transistor logic, hardware component, or any combination thereof. It can implement or execute various example logical blocks, modules, and circuits described in connection with the present disclosure. The processor can also be a combination of computing functionality, such as a combination of one or more microprocessors, a combination of a digital signal processor and a microprocessor, and so on. Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the above-described system, apparatus, and unit can refer to the corresponding processes in the foregoing method embodiments, which will not be described herein.

[0208] It should be noted that the communication apparatus 1100 shown in FIG. 11 can be specifically used to implement the steps implemented by the terminal device in the foregoing method embodiments, and achieve the corresponding technical effects of the terminal device. The specific implementation of the terminal device shown in FIG. 11 can refer to the description of the first communication apparatus or the second communication apparatus in the foregoing method embodiments, which will not be described herein.

[0209] Please refer to FIG. 12, which is a structural schematic diagram of a communication apparatus 1200 involved in the foregoing embodiments provided by an embodiment of the present application. The communication apparatus 1200 can be specifically a communication apparatus as a network device in the foregoing embodiments, and the example shown in FIG. 12 is implemented by a network device (or a component in the network device). The structure of the communication apparatus can refer to the structure shown in FIG. 12.

[0210] The communication apparatus 1200 includes at least one processor 1211 and at least one network interface 1214. Further optionally, the communication apparatus further includes at least one memory 1212, at least one transceiver 1213, and one or more antennas 1215. The processor 1211, the memory 1212, the transceiver 1213, and the network interface 1214 are connected, for example, through a bus, which can include various interfaces, transmission lines, or buses in an embodiment of the present application, and the present embodiment is not limited in this regard. The antenna 1215 is connected to the transceiver 1213. The network interface 1214 is configured to enable the communication apparatus to communicate with other communication devices through a communication link. For example, the network interface 1214 can include a network interface between the communication apparatus and a core network device, such as an S1 interface. The network interface can include a network interface between the communication apparatus and other communication apparatuses (such as other network devices or core network devices), such as an X2 or Xn interface.

[0211] The transceiver unit 902 shown in FIG. 9 can be a communication interface, which can be the network interface 1214 in FIG. 12, and can include an input interface and an output interface. Alternatively, the network interface 1214 can also be a transceiver circuit, which can include an input interface circuit and an output interface circuit.

[0212] The processor 1211 is mainly used for processing communication protocols and communication data, and controlling the whole communication device, executing software programs, processing data of the software programs, for example, for supporting the communication device to perform the actions described in the embodiments. The communication device can include a baseband processor and a central processor, the baseband processor is mainly used for processing communication protocols and communication data, and the central processor is mainly used for controlling the whole terminal device, executing software programs, and processing data of the software programs. The processor 1211 in FIG. 12 can integrate the functions of the baseband processor and the central processor, and those skilled in the art can understand that the baseband processor and the central processor can also be independent processors interconnected by bus technology. Those skilled in the art can understand that the terminal device can include multiple baseband processors to adapt to different network modes, and the terminal device can include multiple central processors to enhance its processing capability, and various components of the terminal device can be connected by various buses. The baseband processor can also be referred to as a baseband processing circuit or a baseband processing chip. The central processor can also be referred to as a central processing circuit or a central processing chip. The function of processing communication protocols and communication data can be built into the processor, or stored in the memory in the form of software programs, and the processor executes the software programs to realize the baseband processing function.

[0213] The memory is mainly used for storing software programs and data. The memory 1212 can exist independently and be connected to the processor 1211. Alternatively, the memory 1212 can be integrated with the processor 1211, for example, integrated in a chip. The memory 1212 can store program codes for executing the technical solutions of the embodiments of the present application, and the processor 1211 controls the execution. Various computer programs executed can also be regarded as a driver of the processor 1211.

[0214] FIG. 12 only shows one memory and one processor. In actual terminal devices, there can be multiple processors and multiple memories. The memory can also be referred to as a storage medium or a storage device, etc. The memory can be a storage element on the same chip as the processor, that is, an on-chip storage element, or an independent storage element, and the embodiments of the present application do not limit this.

[0215] The transceiver 1213 can be configured to support the receiving or transmitting of radio frequency signals between the communication device and a terminal. The transceiver 1213 can be connected to the antenna 1215. The transceiver 1213 includes a transmitter Tx and a receiver Rx. Specifically, the one or more antennas 1215 can receive radio frequency signals, the receiver Rx of the transceiver 1213 is configured to receive the radio frequency signals from the antenna and convert the radio frequency signals into digital baseband signals or digital intermediate frequency signals, and provide the digital baseband signals or digital intermediate frequency signals to the processor 1211 for further processing, such as demodulation processing and decoding processing, by the processor 1211. In addition, the transmitter Tx in the transceiver 1213 is also configured to receive modulated digital baseband signals or digital intermediate frequency signals from the processor 1211, and convert the modulated digital baseband signals or digital intermediate frequency signals into radio frequency signals, and transmit the radio frequency signals through the one or more antennas 1215. Specifically, the receiver Rx can selectively perform one or more levels of down-mixing processing and analog-to-digital conversion processing to obtain digital baseband signals or digital intermediate frequency signals, and the order of the down-mixing processing and the analog-to-digital conversion processing can be adjustable. The transmitter Tx can selectively perform one or more levels of up-mixing processing and digital-to-analog conversion processing to obtain radio frequency signals, and the order of the up-mixing processing and the digital-to-analog conversion processing can be adjustable. The digital baseband signals and the digital intermediate frequency signals can be collectively referred to as digital signals.

[0216] The transceiver 1213 can also be referred to as a transceiving unit, a transceiver, a transceiving device, etc. Optionally, the devices in the transceiving unit for implementing the receiving function can be regarded as a receiving unit, and the devices in the transceiving unit for implementing the transmitting function can be regarded as a transmitting unit, i.e., the transceiving unit includes the receiving unit and the transmitting unit, the receiving unit can also be referred to as a receiver, an input port, a receiving circuit, etc., and the transmitting unit can be referred to as a transmitter, a transmitter, or a transmitting circuit, etc.

[0217] It should be noted that the communication device 1200 shown in FIG. 12 can be specifically configured to implement the steps implemented by the network device in the foregoing method embodiments, and achieve the corresponding technical effects of the network device. The specific implementation mode of the communication device 1200 shown in FIG. 12 can be referred to the description of the first communication device or the second communication device in the foregoing method embodiments, which will not be described here.

[0218] Please refer to FIG. 13, which is a structural schematic diagram of a communication device involved in the above embodiments provided by the embodiments of the present application.

[0219] It can be understood that the communication apparatus 1300 comprises, for example, modules, units, elements, circuits, or interfaces, and the like, which are properly configured together to perform the technical solutions provided in the present application. The communication apparatus 1300 can be a terminal device or a network device described above, or can be a component (for example, a chip) of the devices, to implement the methods described in the following method embodiments. The communication apparatus 1300 comprises one or more processors 1301. The processor 1301 can be a general purpose processor or a special purpose processor, and the like. For example, it can be a baseband processor or a central processing unit. The baseband processor can be used to process communication protocols and communication data, and the central processing unit can be used to control the communication apparatus (such as a RAN node, a terminal, or a chip, and the like), execute software programs, and process data of the software programs.

[0220] Optionally, in one design, the processor 1301 can include a program 1303 (which can also be referred to as code or instructions at times) that can be run on the processor 1301, so that the communication apparatus 1300 performs the methods described in the following embodiments. In yet another possible design, the communication apparatus 1300 comprises a circuit (not shown in FIG. 13).

[0221] Optionally, the communication apparatus 1300 can comprise one or more memories 1302 having a program 1304 (which can also be referred to as code or instructions at times) stored thereon, which can be run on the processor 1301, so that the communication apparatus 1300 performs the methods described in the above method embodiments.

[0222] Optionally, the processor 1301 and / or the memory 1302 can comprise an AI module 1307, 1308, which is used to implement AI-related functions. The AI module can be implemented in software, hardware, or a combination of software and hardware. For example, the AI module can comprise a radio intelligence control (RIC) module. For example, the AI module can be a near-real-time RIC or a non-real-time RIC.

[0223] Optionally, the processor 1301 and / or the memory 1302 can also store data. The processor and the memory can be separately arranged or integrated together.

[0224] Optionally, the communication apparatus 1300 can further comprise a transceiver 1305 and / or an antenna 1306. The processor 1301 can also be referred to as a processing unit, which controls the communication apparatus (such as a RAN node or a terminal). The transceiver 1305 can also be referred to as a transceiving unit, a transceiver, a transceiving circuit, or a transceiver, and the like, which is used to realize the transceiving function of the communication apparatus through the antenna 1306.

[0225] The processing unit 901 shown in FIG. 9 can be the processor 1301. The transceiving unit 902 shown in FIG. 9 can be a communication interface, which can be the transceiver 1305 in FIG. 13, and the transceiver 1305 can include an input interface and an output interface. Alternatively, the transceiver 1305 can also be a transceiving circuit, which can include an input interface circuit and an output interface circuit.

[0226] The embodiments of the present application further provide a computer readable storage medium for storing one or more computer-executable instructions, which, when executed by a processor, cause the processor to perform the method described in the possible implementation manners of the first communication device or the second communication device.

[0227] The embodiments of the present application further provide a computer program product (or computer program), which, when executed by a processor, causes the processor to perform the method described in the possible implementation manners of the first communication device or the second communication device.

[0228] The embodiments of the present application further provide a chip system, which includes at least one processor for supporting the communication device to implement the functions involved in the possible implementation manners of the communication device. Optionally, the chip system further includes an interface circuit for providing program instructions and / or data for the at least one processor. In a possible design, the chip system can further include a memory for storing necessary program instructions and data of the communication device. The chip system can be composed of a chip, or can include a chip and other discrete devices, and the communication device can be the first communication device or the second communication device in the method embodiments.

[0229] The embodiments of the present application further provide a communication system, which includes the first communication device in any of the embodiments.

[0230] Optionally, the communication system further includes the second communication device.

[0231] In several embodiments provided in the present application, it should be understood that the disclosed system, device and method can be implemented in other manners. For example, the described device embodiments are merely schematic. For example, the division of the units is only a logical function division. There can be another division manner for the actual implementation, for example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the displayed or discussed mutual couplings or direct couplings or communication connections between different units, can be indirect couplings or communication connections through some interfaces, devices or units, and can be in electrical, mechanical or other forms.

[0232] The units described as separated components can or can not be physically separated, and the components displayed as units can or can not be physical units, i.e., can be located in one place, or can be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purposes of the embodiments of the present application.

[0233] In addition, each functional unit in the embodiments of the present application can be integrated in one processing unit, or each unit can exist physically as a separate unit, or two or more units can be integrated in one unit. The integrated unit can be implemented in the form of hardware or in the form of a software functional unit. When the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium. Based on this understanding, the technical solutions of the present application essentially or substantially, or all or part of the technical solutions, can be embodied in the form of a software product. The computer software product is stored in a storage medium, and includes several instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the embodiments of the present application. The foregoing storage medium includes: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), magnetic disk or optical disk, and various other media that can store program codes.

Claims

1. A communication method characterized by comprising: The method comprises: receiving a target common signal and resource configuration indication information; wherein the resource configuration indication information is used to indicate first resource configuration of a first signal set corresponding to the target common signal, the first resource configuration comprises frequency division multiplexing configuration, the first signal set comprises a plurality of first common signals, at least two first common signals in the plurality of first common signals are transmitted simultaneously in a frequency division multiplexing manner, and the target common signal is at least one of the plurality of first common signals; According to the first resource configuration, at least one first common signal in the plurality of first common signals is measured.

2. The method of claim 1, wherein, The first resource configuration further comprises time division multiplexing configuration, and at least two first common signals in the plurality of first common signals are transmitted in a time division multiplexing manner.

3. The method according to claim 1 or 2, characterized in that, The method further comprises: receiving at least one second common signal in a second signal set; wherein the second signal set comprises a plurality of second common signals, and resources of a common physical downlink control channel (PDCCH) occupied by the plurality of second common signals belong to at least one common control resource set; The resources occupied by the at least two first common signals respectively are in a many-to-one association relationship with the at least one common control resource set.

4. The method of claim 3, wherein, The resources occupied by the first common signals transmitted at different time instants are associated with different common control resource sets; and / or The resources occupied by the at least two first common signals transmitted at the same time in a frequency division multiplexing manner are associated with a same common control resource set.

5. The method according to claim 3 or 4, characterized in that, The receiving of the at least one second common signal in the second signal set comprises: receiving the at least one second common signal in the second signal set through a first transmission mode, the first transmission mode comprising a single frequency network (SFN) mode or a multi-antenna port mode; wherein the SFN mode is that a plurality of beams transmit the same information at the same frequency and at the same time instant, and the multi-antenna port mode is that a plurality of beams transmit information through independent antenna ports.

6. The method of claim 5, wherein, The receiving of the at least one second common signal in the second signal set through the first transmission mode comprises: receiving the at least one second common signal in the second signal set according to transmission configuration information, the transmission configuration information being used to indicate at least two transmitting beams in the SFN mode or at least two antenna ports in the multi-antenna port mode.

7. The method according to any one of claims 1 to 6, characterized in that, The method further comprises: sending a random access signal according to an uplink association relationship; wherein the uplink association relationship is an association relationship between a plurality of resources occupied by the first signal set and at least one random access resource set; wherein the at least one random access resource set is a resource used to send a random access signal corresponding to the first signal set, and a many-to-one association relationship exists between the resources occupied by the at least two first common signals respectively and the at least one random access resource set.

8. The method of claim 7, wherein, The resources occupied by the first common signals transmitted at different time instants are associated with different random access resource sets; and / or The resources occupied by the at least two first common signals transmitted at the same time in a frequency division multiplexing manner are associated with a same random access resource set.

9. A communication method characterized by comprising: The method comprises: determining a first resource configuration of a first signal set, wherein the first signal set comprises a plurality of first common signals, and the first resource configuration comprises a frequency division multiplexing configuration; transmitting a target common signal, wherein the target common signal is at least one of the plurality of first common signals, and at least two first common signals of the plurality of first common signals are transmitted simultaneously in a frequency division multiplexing manner.

10. The method of claim 9, wherein, The method further comprises: transmitting resource configuration indication information, wherein the resource configuration indication information is used to indicate the first resource configuration.

11. The method according to claim 9 or 10, characterized in that, The first resource configuration further comprises a time division multiplexing configuration, and at least two first common signals of the plurality of first common signals are transmitted in a time division multiplexing manner.

12. The method according to any one of claims 9-11, characterized in that, The method further comprises: transmitting at least one second common signal in a second signal set; wherein the second signal set comprises a plurality of second common signals, and resources of a common physical downlink control channel (PDCCH) occupied by the plurality of second common signals belong to at least one common control resource set; resources respectively occupied by the at least two first common signals and the at least one common control resource set have a many-to-one association relationship.

13. The method of claim 12, wherein, resources occupied by first common signals transmitted at different time instants are associated with different common control resource sets; and / or resources occupied by at least two first common signals transmitted in a frequency division multiplexing manner at the same time instant are associated with a same common control resource set.

14. The method according to claim 12 or 13, characterized in that, The transmitting at least one second common signal in the second signal set comprises: transmitting at least one second common signal in the second signal set in a first transmission mode, wherein the first transmission mode comprises a single frequency network (SFN) mode or a multi-antenna port mode; wherein the SFN mode is that a plurality of beams transmit the same information at the same frequency and at the same time instant, and the multi-antenna port mode is that a plurality of beams transmit information through independent antenna ports.

15. The method of claim 14, wherein, The transmitting at least one second common signal in the second signal set in the first transmission mode comprises: transmitting at least one second common signal in the second signal set according to transmission configuration information, wherein the transmission configuration information is used to indicate at least two transmission beams in the SFN mode, or at least two antenna ports in the multi-antenna port mode.

16. The method according to any one of claims 9-15, characterized in that, The method further comprises: receiving a random access signal according to an uplink association relationship, wherein the uplink association relationship is an association relationship between a plurality of resources occupied by the first signal set and at least one random access resource set; wherein the at least one random access resource set is a resource used to transmit a random access signal corresponding to the first signal set, and a many-to-one association relationship exists between resources respectively occupied by the at least two first common signals and the at least one random access resource set.

17. The method of claim 16, wherein, resources occupied by first common signals transmitted at different time instants are associated with different random access resource sets; and / or resources occupied by at least two first common signals transmitted in a frequency division multiplexing manner at the same time instant are associated with a same random access resource set.

18. A communications device, characterized by comprises: a module for performing the method of any one of claims 1 to 17.

19. A communications device, characterized by comprises at least one processor coupled to a memory; The memory is configured to store a program or instructions. The at least one processor is configured to execute the program or instructions to cause the apparatus to implement the method of any one of claims 1-17.

20. A chip device, characterized by A processor is included to invoke a program stored in a memory to cause the processor to implement the method of any one of claims 1-17.

21. The chip device of claim 20, wherein, The chip apparatus further includes the memory.

22. A computer-readable storage medium, characterized in that, The computer readable storage medium stores program instructions that, when executed, cause the method of any one of claims 1-17 to be performed.

23. A computer program product comprising program instructions, characterized in that, The program instructions, when executed on a computer, cause the computer to perform the method of any one of claims 1-17.

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