Communication method, apparatus and device

Abstract

The present application belongs to the technical field of communications. Disclosed are a communication method, apparatus and device. The communication method disclosed in the embodiments of the present application comprises: a first device acquiring first information, wherein the first information comprises information related to the transmission of a composite constellation; and on the basis of the first information, the first device transmitting second information mapped in the composite constellation, wherein the second information comprises at least one of a paging message, paging control information, a short message, short message control information, data transmission control information, feedback information, part of user data, and user data meeting a first condition.

Description

Communication method, device and equipment

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims priority to the Chinese patent application filed with the China Patent Office on January 18, 2024, with application number 202410078909.2 and invention name “Communication Methods, Devices and Equipment”. The entire contents of the Chinese patent application are incorporated herein by reference. Technical Field

[0003] The present application belongs to the field of communication technology, and specifically relates to a communication method, apparatus and device. Background Art

[0004] In the prior art, a terminal can be configured to establish a connection with a network, i.e., a connected state. In the connected state, the terminal can transmit data with a network-side device, for example, the terminal sends data to the network-side device, or the terminal receives data sent by the network-side device, to achieve uplink or downlink data transmission. Data transmission in a non-connected state is a special transmission mechanism that allows a terminal device (User Equipment, UE) to send and receive data with the network (Network, NW) side without entering a connected state. This can avoid excessive signaling overhead and excessive delay caused by the Radio Resource Control (RRC) state transition and the RRC connection establishment process, and thus complete data transmission through a simple signaling process.

[0005] As the number of users increases, the amount of communication between terminals and network devices poses a significant challenge to system capacity. In particular, in disconnected scenarios involving large amounts of information transmission or large numbers of users, system capacity limitations can increase transmission latency and reduce efficiency. Summary of the Invention

[0006] The embodiments of the present application provide a communication method, apparatus, and device to solve the problem of long transmission delay and low efficiency between the terminal and the network side in scenarios where large amounts of information are transmitted or a large number of users perform data transmission.

[0007] In a first aspect, a communication method is provided, the method comprising:

[0008] A first device acquires first information, where the first information includes information related to composite constellation transmission;

[0009] The first device transmits second information mapped in the composite constellation based on the first information;

[0010] The second information includes at least one of the following:

[0011] paging messages;

[0012] Paging control information;

[0013] Short messages;

[0014] Short message control information;

[0015] Data transmission control information;

[0016] Feedback information;

[0017] Some user data;

[0018] User data that meets the first condition.

[0019] In a second aspect, a communication device is provided, the device comprising:

[0020] an information acquisition module, configured to acquire first information, where the first information includes information related to composite constellation transmission;

[0021] an information transmission module, configured to transmit second information mapped in the composite constellation based on the first information;

[0022] The second information includes at least one of the following:

[0023] paging messages;

[0024] Paging control information;

[0025] Short messages;

[0026] Short message control information;

[0027] Data transmission control information;

[0028] Feedback information;

[0029] Some user data;

[0030] User data that meets the first condition.

[0031] In a third aspect, a network side device is provided, which terminal includes a processor and a memory, wherein the memory stores programs or instructions that can be run on the processor, and when the program or instructions are executed by the processor, the steps of the method described in the first aspect are implemented.

[0032] In a fourth aspect, a network-side device is provided, comprising a processor and a communication interface, wherein the processor is used to obtain first information, the first information including information related to composite constellation transmission; the communication interface is used to transmit second information mapped in the composite constellation based on the first information, wherein the second information includes at least one of a paging message, paging control information, a short message, short message control information, data transmission control information, feedback information, partial user data, and user data that meets the first condition.

[0033] In a fifth aspect, a terminal is provided, wherein the network side device includes a processor and a memory, wherein the memory stores programs or instructions that can be run on the processor, and when the program or instructions are executed by the processor, the steps of the method described in the first aspect are implemented.

[0034] In a sixth aspect, a terminal is provided, comprising a processor and a communication interface, wherein the processor is used to obtain first information, the first information including information related to composite constellation transmission; the communication interface is used to transmit second information mapped in the composite constellation based on the first information, wherein the second information includes at least one of a paging message, paging control information, a short message, short message control information, data transmission control information, feedback information, partial user data, and user data that meets a first condition.

[0035] In the seventh aspect, a communication system is provided, comprising: a terminal and a network side device, wherein the terminal can act as a first device to execute the steps of the communication method described in the first aspect, or the network side device can act as a first device to execute the steps of the communication method described in the first aspect.

[0036] In an eighth aspect, a readable storage medium is provided, on which a program or instruction is stored. When the program or instruction is executed by a processor, the steps of the method described in the first aspect are implemented.

[0037] In a ninth aspect, a chip is provided, comprising a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is configured to run a program or instruction to implement the method described in the first aspect.

[0038] In a tenth aspect, a computer program / program product is provided, wherein the computer program / program product is stored in a storage medium and is executed by at least one processor to implement the steps of the method described in the first aspect.

[0039] In an embodiment of the present application, after obtaining the first information including first information related to composite constellation transmission, the second information is mapped to the composite constellation based on the first information for transmission. This transmission mode belongs to a multiplexing transmission mode, wherein the second information includes at least one of a paging message, paging control information, a short message, short message control information, data transmission control information, feedback information, partial user data, and user data that meets the first condition. Therefore, in scenarios where a large amount of information is transmitted or a large number of users perform data transmission, the transmission delay between the terminal and the network side can be reduced and the transmission efficiency can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] FIG1 is a block diagram of a wireless communication system provided in an embodiment of the present application.

[0041] FIG2 is a flow chart of a communication method provided in an embodiment of the present application.

[0042] FIG3 is a schematic diagram of NOMA under superposition coding mode 1 (Cat1).

[0043] FIG4 is a schematic diagram of NOMA under superposition coding mode 2 (Cat2).

[0044] FIG5 is a schematic diagram of NOMA under superposition coding mode 3 (Cat3).

[0045] FIG6 is a schematic structural diagram of a communication device provided in an embodiment of the present application.

[0046] FIG7 is a schematic structural diagram of a communication device of the present application.

[0047] FIG8 is a schematic diagram of the hardware structure of a terminal according to an embodiment of the present application.

[0048] FIG9 is a schematic diagram of the hardware structure of the network side device according to an embodiment of the present application. DETAILED DESCRIPTION

[0049] The following will be combined with the accompanying drawings in the embodiments of this application to clearly describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are part of the embodiments of this application, not all of them. Based on the embodiments in this application, any other embodiments obtained by ordinary technicians in this field fall within the scope of protection of this application.

[0050] The terms "first", "second", etc. in the specification and claims of this application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the terms used in this way are interchangeable where appropriate, so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first" and "second" are generally of the same type, and do not limit the number of objects. For example, the first access object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0051] It is worth noting that the technology described in the embodiments of the present application is not limited to the Long Term Evolution (LTE) / LTE-Advanced (LTE-A) system, but can also be used in other wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency Division Multiple Access (SC-FDMA) and other systems. The terms "system" and "network" in the embodiments of the present application are often used interchangeably, and the technology described can be used for the systems and radio technologies mentioned above, as well as for other systems and radio technologies. The following description describes a New Radio (NR) system for illustrative purposes, and the NR terminology is used in most of the following description, but these technologies can also be applied to applications other than NR system applications, such as 6th generation (6G) systems. th Generation, 6G) communication system.

[0052] FIG1 shows a block diagram of a wireless communication system applicable to embodiments of the present application. The wireless communication system includes a terminal 11 and a network-side device 12 . The terminal 11 may be a mobile phone, a tablet personal computer, a laptop computer or a notebook computer, a personal digital assistant (PDA), a handheld computer, a netbook, an ultra-mobile personal computer (UMPC), a mobile internet device (MID), an augmented reality (AR) / virtual reality (VR) device, a robot, a wearable device, a vehicle-mounted device (VUE), a pedestrian terminal (PUE), a smart home (a home appliance with wireless communication capabilities, such as a refrigerator, a television, a washing machine, or furniture), a game console, a personal computer (PC), an ATM, or a self-service machine, etc. The wearable device includes: a smart watch, a smart bracelet, a smart headset, smart glasses, smart jewelry (smart bracelets, smart bracelets, smart rings, smart necklaces, smart anklets, smart anklets, etc.), a smart wristband, smart clothing, etc. It should be noted that the specific type of the terminal 11 is not limited in the embodiment of the present application. The network side device 12 may include an access network device or a core network device, wherein the access network device 12 may also be referred to as a radio access network device, a radio access network (RAN), a radio access network function, or a radio access network unit. The access network device 12 may include a base station, a WLAN access point, or a WiFi node, etc. The base station may be referred to as a node B, an evolved node B (eNB), an access point, a base transceiver station (BTS), a radio base station, a radio transceiver, a basic service set (BSS), an extended service set (ESS), a home node B, a home evolved node B, a transmitting and receiving point (TRP), or other appropriate terms in the relevant field. As long as the same technical effect is achieved, the base station is not limited to a specific technical vocabulary. It should be noted that in the embodiment of the present application, only the base station in the NR system is used as an example for introduction, and the specific type of the base station is not limited.

[0053] In order to solve the problems of long delay and low transmission efficiency when transmitting data to a large number of users, the embodiments of the present application propose a communication method, device and terminal, which are described in detail below with reference to the accompanying drawings.

[0054] First, a communication method proposed in an embodiment of the present application is described.

[0055] As shown in FIG2 , an embodiment of the present application proposes a communication method, which is applied to a terminal. The method may include:

[0056] Step 201: A first device obtains first information, where the first information includes information related to composite constellation transmission.

[0057] The first device may be a terminal device or a network-side device. If the first device is a terminal device, the second device described below is a network-side device; if the first device is a network-side device, the second device described below is a terminal device.

[0058] It can be understood that if the first device wants to use the multi-user superposition transmission (MUST) technology to transmit multiple information, it may need to first obtain MUST-related information, and the MUST-related information may include information related to composite constellation transmission; after obtaining this information, the first device can send or receive multiple information based on the information related to composite constellation transmission.

[0059] In one implementation, step 201 may include: the network-side device determines the first information based on the fourth information.

[0060] The fourth information may include but is not limited to at least one of the following:

[0061] UE auxiliary information reported by the terminal device;

[0062] The latest location information of the terminal device stored by the network side device;

[0063] The location information of the terminal device most recently measured by the network-side device, for example, a UE that is farther away uses a constellation layer with a smaller index;

[0064] The ID of the terminal device, for example, the constellation layer to be mapped is determined in ascending order of the UE ID;

[0065] The absolute timing advance (TA) value of the terminal equipment;

[0066] Predefined rules, for example, the mapping order of terminal devices and constellation layers is the same as the order of terminal devices in the paging record table (PagingRecordList).

[0067] Optionally, in a case where the fourth information includes UE auxiliary information reported by the terminal device, the method shown in FIG2 may further include: the network side device receiving the UE auxiliary information reported by the terminal device.

[0068] The UE assistance information may include but is not limited to at least one of the following:

[0069] location information of the terminal device;

[0070] TA report information of the terminal device;

[0071] beam information of the terminal device;

[0072] The first uplink signal sent by the terminal device may include but is not limited to a sounding reference signal (Sounding Reference Signal, SRS).

[0073] Optionally, the UE assistance information may be reported through at least one of the following:

[0074] a second uplink signal, where the second uplink signal includes at least one of an SRS, a physical random access channel (PRACH), and a message A physical uplink shared channel (MsgA PUSCH). For example, for an inactive terminal device, UE auxiliary information can be transmitted through the SRS, and the network can obtain the UE auxiliary information by measuring the SRS signal. The UE auxiliary information may include beam information, location information, etc.;

[0075] The Nth uplink small data transmission (SDT), where N is an integer greater than or equal to 1. For example, if multiple UL SDT transmissions are supported, or UL SDT repetition is supported, or corresponding to the UL SDT retransmission scenario, UE auxiliary information can be reported in the first UL SDT.

[0076] Optionally, the method shown in FIG2 may further include: the network side device providing the first information to the terminal device in a first manner, so that the terminal device transmits second information mapped in the composite constellation based on the first information.

[0077] In another embodiment, if the first device is a terminal device, step 201 may include: the terminal device obtains first information in a first manner. The first information is determined by the network side device based on the fourth information, as described above.

[0078] The first method may include but is not limited to at least one of the following:

[0079] Carried by paging control information;

[0080] Carried by the physical downlink control channel (PDCCH) for paging;

[0081] Carried by paging downlink control information (DCI);

[0082] Carried in paging messages;

[0083] Carried by the physical downlink data channel (PDSCH) for paging;

[0084] Carried by short message control information;

[0085] Carried by short message PDCCH;

[0086] Carried by short messages;

[0087] Configured by system information, for example, may be carried by at least one of a synchronization signal block (Synchronization Signal / PBCH Block, SSB) and a system information block (System Information Block, SIB);

[0088] It is configured by a Radio Resource Control (RRC) message, for example, it can be configured by an RRC Connection Release (RRC Connection Release) message.

[0089] It can be understood that when the first device is a terminal device, the first device can obtain the first information through any of the above-mentioned first methods; when the first device is a network side device, the first device can obtain the first information through inter-layer interaction.

[0090] In some embodiments, the first information may include but is not limited to at least one of the following:

[0091] 1) an indication of support for composite constellation transmission, such as indicating support or non-support for composite constellation transmission;

[0092] 2) the number of constellation layers in the composite constellation;

[0093] 3) constellation layer index in the composite constellation, such as constellation layer information corresponding to the terminal device;

[0094] 4) Transmission power ratio for terminal devices, such as the transmission power ratio between different terminal devices;

[0095] 5) the coding mode corresponding to the constellation layer in the composite constellation, such as the coding mode used on the constellation layer corresponding to the terminal device;

[0096] 6) a superposition coding method corresponding to the composite constellation;

[0097] 7) The modulation mode corresponding to the constellation layer in the composite constellation, such as the modulation mode and modulation order used on the constellation layer corresponding to the terminal device;

[0098] 8) Modulation and coding scheme for data transmission in the composite constellation;

[0099] 9) the correspondence between constellation layers and terminal devices in the composite constellation;

[0100] 10) Instructions on multiplexing and transmission of user data.

[0101] It should be noted that the above items 9) and 10) may not be included in the first information, but may be predefined by the protocol.

[0102] In the embodiment of the present application, a constellation layer refers to at least one of the following in a composite constellation:

[0103] sub-constellations;

[0104] spatial layer;

[0105] At least one bit.

[0106] Based on the content of the first information listed above, it can be seen that the first information can be used to determine the specific constellation layer to which data corresponding to a terminal device is mapped. For example, if the first device is a network-side device and the second device is a terminal device, the terminal device can determine the constellation layer on which its data is transmitted on the multi-user multiplexing transmission channel subsequently sent by the network-side device based on the constellation layer-related information carried in the paging PDCCH.

[0107] Furthermore, as an example, the first information is carried in a paging message, and the paging message is mapped in the first constellation layer of the composite constellation. The first constellation layer may be a constellation layer specified by the protocol or the network-side device, or the first constellation layer may be a constellation layer in the composite constellation whose transmission performance meets the sixth condition, and the sixth condition includes at least one of the best transmission performance, the most stable transmission performance, and the most reliable transmission performance. At this time, if the first device is a network-side device and the second device is a terminal device, then the terminal device receives a public message (such as a paging message) mapped in the first constellation layer, and the public message in the first constellation layer carries indication information of other constellation layers, then the terminal device can determine in which constellation layer the data sent to itself is carried based on the indication information carried by the public message.

[0108] Furthermore, as another example, the first information includes a correspondence between other constellation layers in the composite constellation except the first constellation layer and the terminal device.

[0109] In some embodiments, the first information indicates that the order of correspondence between constellation layers and terminal devices in the composite constellation is the same as the order of terminal devices in a paging record table (PagingRecordList), where the paging record table may be carried in a paging message (Paging message) or a paging PDSCH. For example, a terminal device may know in which constellation layer data sent to it is carried based on information such as the position, index, and order of the paging record (PagingRecord) sent to it in the paging message within the entire paging record table.

[0110] Of course, the first information may not indicate that the order of correspondence between constellation layers and terminal devices in the composite constellation is the same as the order of terminal devices in the paging record table, but is specified by the protocol.

[0111] In some other embodiments, the index of the constellation layer in the first information is obtained by arranging in ascending or descending order according to the power allocation ratio of different terminal devices.

[0112] In some embodiments, for a terminal device, whether multiplexed transmission of user data exists may be configured by a network-side device, for example, by indicating to the terminal device via a paging DCI whether multiple paged terminal devices have user data.

[0113] Step 202: The first device transmits second information mapped in the composite constellation based on the first information.

[0114] Specifically, the first device transmitting the second information in the composite constellation based on the first information may include: in a non-connected state, the first device transmitting the second information mapped in the composite constellation layer based on the first information.

[0115] The non-connected state may include, but is not limited to, at least one of: a radio resource control protocol RRC idle state, an RRC inactive state (RRC-inactive state), a standby state, and a state before random access after RRC connection release. The non-connected state may also be a standby state introduced in 6G or future mobile communication systems and other non-connected states before random access.

[0116] Different from data transmission in the connection state, in the connectionless state, usually only simple, necessary or small data is transmitted.

[0117] However, in scenarios where a large number of users are transmitting data in a non-connected state, due to system capacity limitations, data transmission delays can be significant and transmission efficiency can be low. To address this issue, the present invention utilizes the MUST technology for multi-user data transmission in a non-connected state, mapping the second information in the non-connected state to different constellation layers of a composite constellation for transmission, thereby reducing transmission delay and improving transmission efficiency in the non-connected state.

[0118] MUST is the core technology of non-orthogonal multiple access (NOMA). In related technologies, MUST includes three superposition coding methods: superposition coding method 1 (Cat1), superposition coding method 2 (Cat2), and superposition coding method 3 (Cat3). Cat1 and Cat2 superimpose multiple sub-constellations into a composite constellation, while Cat3 directly allocates different bits to different users based on a composite constellation.

[0119] Cat1: Different sub-constellations are superimposed with an adaptive power ratio, and the mapping of composite constellation points to bits does not conform to Gray mapping principles. Figure 3 shows a composite constellation formed by superimposing two sub-constellations of size 4. The constellation points of the first sub-constellation are actually the center points of the constellation point clusters distributed across the four quadrants of the composite constellation. For example, the four points in the first quadrant, while having different values, all represent bits "00." The constellation points of the second sub-constellation are the constellation points of each cluster in the composite constellation. For example, the last two bits of the first constellation point in each quadrant represent bits "10."

[0120] Category 2: Different sub-constellations are superimposed with an adaptive power ratio, and the mapping of composite constellation points to bits conforms to the Gray mapping principle. For example, Figure 4 shows a composite constellation formed by superimposing two sub-constellations of size 4 that conform to the Gray mapping principle. This is similar to Figure 3, except for a slight difference in the bit mapping rules.

[0121] For Cat1 and Cat2, the composite constellation they transmit is composed of the superposition of sub-constellations, and the variable that controls how the sub-constellations are superimposed is the power ratio. For the case of two user terminals, the transmission steps at the transmitter are as follows: the transmitter first determines the constellation point to be transmitted based on the information bit of the first user terminal, and then multiplies the constellation point by the power ratio. Where α is the power ratio of the second user terminal; then, the transmitter determines the constellation point to be sent based on the information bit of the second user terminal, and then multiplies the constellation point by the power ratio Finally, the two constellation points are vector-summed to obtain the final transmitted composite constellation point. At the receiving end, the first user terminal only needs to determine the quadrant in which the constellation point lies to obtain the desired bits, while the second user terminal must determine not only the quadrant in which the constellation point lies but also its specific position within the quadrant. In other words, the first user terminal may only need to demodulate two bits; the second user terminal actually needs to demodulate four bits and then extract the final two bits.

[0122] Category 3: Directly divide bits into a constellation point that conforms to the Gray mapping rule. As shown in Figure 5, the entire constellation diagram conforms to the Gray mapping rule. It is then agreed that the first two bits are the bits of the first user terminal, and the last two bits are the bits of the second user terminal.

[0123] It can be seen that the sub-constellations of Cat1 and Cat2 can be different, and the composite constellation formed by superposition may be irregular, while Cat3 first defines a regular composite constellation and then divides the bits.

[0124] For downlink NOMA, fully leveraging the channel conditions of different user terminals is key to improving overall spectral efficiency. For example, user terminals with poor channels, such as those farther from the transmitter, have poor constellation point resolution and can only distinguish constellation points with large Euclidean distances, such as those located in different quadrants, but cannot accurately determine constellation points within the same quadrant. On the other hand, user terminals with better channels, such as those closer to the transmitter, have better constellation point resolution and can accurately determine even constellation points with small Euclidean distances. This effectively decodes all bits sent by the transmitter and then extracts the bits of interest. In practical applications, directly determining the composite constellation points to obtain all bits and then extracting a subset of the bits is a computationally more complex method. A less complex method is successive interference cancellation (SIC): First, determine the sub-constellation point with a large Euclidean distance (i.e., the constellation point sent to the distant user terminal), then remove this sub-constellation point from the received signal (vector difference), and then determine the sub-constellation point with a small Euclidean distance.

[0125] Optionally, before step 202, the method shown in FIG2 may further include: the first device mapping the second information into a constellation layer of the composite constellation.

[0126] Furthermore, in this embodiment of the present application, the second information mapped into the composite constellation in step 202 may include but is not limited to at least one of the following:

[0127] 1) Paging message;

[0128] 2) Paging control information, such as Paging DCI;

[0129] 3) Short message;

[0130] 4) Short message control information, such as short message DCI;

[0131] 5) Data transmission control information;

[0132] 6) Feedback information;

[0133] 7) Some user data;

[0134] 8) User data that meets the first condition.

[0135] The first condition includes at least one of the following:

[0136] ① The data block size is less than or equal to a first threshold, where the first threshold may be configured by the network side or specified by the protocol;

[0137] ② The positional relationship between the scheduled terminal device and the network-side device satisfies the second condition. For example, the second condition may include that the terminal device is located at the edge or center of the cell, that is, the user terminal is a long-distance user terminal (such as a UE located at the edge of the cell) or the user terminal is a short-distance user terminal (such as a UE located at the center of the cell);

[0138] ③ The channel state information (CSI) between the scheduled terminal device and the network side device meets the third condition. For example, the third condition may include that the channel quality indicator (CQI) value in the CSI is less than or equal to the second threshold, where the first threshold may be configured by the network side or specified by the protocol;

[0139] ④ The relative position relationship between the multiple scheduled terminal devices and the network side device satisfies the fourth condition. For example, the fourth condition may include that the distance between the first user terminal (UE1) and the base station is greater than the distance between the second user terminal (UE2) and the base station by X%, and X is greater than zero;

[0140] ⑤ The CSI between the scheduled multiple terminal devices and the network side device meets the fifth condition. For example, the fifth condition may include that the CQI value between the first user terminal (UE1) and the base station is greater than the CQI value Y% between the second user terminal (UE2) and the base station, and Y is greater than zero.

[0141] The following briefly introduces the paging DCI, paging message and random access process.

[0142] 1) Paging DCI

[0143] In NR, paging can be divided into the following types according to the source of the message:

[0144] 5GC paging, which comes from 5GC. When the UE has downlink data arriving in the RRC idle (RRC_IDLE) state, 5GC notifies the UE through a paging message;

[0145] RAN paging comes from the gNB. When the UE has downlink data arriving in the RRC inactive state, the gNB notifies the UE through a paging message.

[0146] The final paging message is sent by the gNB to the UE via the air interface.

[0147] The paging message is carried by the logical channel of the Paging Control Channel (PCCH), and the data block of the PCCH logical channel is carried by the Paging Channel (PCH), and the data block of the PCH is carried by the physical channel of the PDSCH. Since the PDSCH is a downlink shared physical channel, in addition to carrying the PCH transmission channel, it can also carry the downlink shared channel (DL-SCH) transmission channel. Therefore, before receiving the paging message (PDSCH), the terminal device needs to first monitor the PDCCH physical channel, and then determine whether the network side sends a paging message to the terminal device in this paging cycle based on whether the PDCCH physical channel carries the Paging Radio Network Temporary Identity (P-RNTI).

[0148] 2) Paging message

[0149] A paging message carries a paging record table (PagingRecordList), which carries at least one and at most maxNrofPageRec patrol records. Each patrol record carries a paging identifier (ue_Identity) of the paged UE. That is, a paging message can indicate that at most maxNrofPageRec UEs are paged.

[0150] The UE being paged has two identifiers: one is the 5G S-Temporary Mobile Subscription Identifier (ng-5G-S-TMSI), which is used to page the UE in the idle state; the other is the fullI Radio Network Temporary Identity (fullI-RNTI), which is used to page the UE in the inactive state. The UE receiving the paging message is in either the idle state or the inactive state.

[0151] 3) Random access process

[0152] In related technologies, a random access procedure may be a contention-based random access procedure or a non-contention-based random access procedure. The random access procedure may be a four-step random access procedure (also called a Type-1 random access procedure) or a two-step random access procedure (also called a Type-2 random access procedure).

[0153] In the contention-based 4-step random access process (RACH), the UE first sends Msg1 to the network, which includes a preamble. After the network detects the preamble, it sends Msg2 / Random Access Response (RAR), which includes the number of the preamble detected by the network and the uplink radio resources allocated to the UE for sending Msg3. After receiving Msg2, the UE confirms that at least one of the preamble numbers carried in Msg2 matches the number of the preamble it sent. Then, based on the resources indicated by the RAR, it sends Msg3 containing contention resolution information. After receiving Msg3, the network sends Msg4 containing contention resolution information. Upon receiving Msg4, the UE confirms that the resolution information is consistent with the one it sent in Msg3, thus completing the 4-step random access.

[0154] The network includes UL grant information in the RAR to indicate Msg3 PUSCH scheduling information, and includes information such as RAPID (RACH preamble ID), TC-RNTI, and TA. If the network does not receive the Msg3 PUSCH, it can schedule the retransmission of the Msg3 PUSCH in the PDCCH scrambled by the TC-RNTI.

[0155] For the contention-based random access process, different UEs randomly select preambles for transmission. In this way, different UEs may select the same preamble to send on the same time-frequency radio resource (RO resource). This situation can be understood as a UE preamble conflict. In this case, different UEs will receive the same RAR. At this time, different UEs will transmit MSG.3PUSCH according to the scheduling information in the RAR UL grant. Since the relevant technology does not support repeated transmission of MSG.3PUSCH, the network can only decode the PUSCH (including contention resolution information) sent by one UE on one MSG3 PUSCH scheduling resource. Therefore, the network will include the contention resolution information received in MSG3 in Msg4. If the contention resolution information in the Msg4 received by the UE matches the contention resolution information sent by the UE in the MSG3 PUSCH, the UE considers that the contention resolution is successful. If they do not match, the contention resolution is considered unsuccessful.

[0156] If the contention resolution is unsuccessful, the UE reselects RACH transmission resources, performs PRACH transmission, and makes the next random access attempt.

[0157] In the non-connected state, paging messages, paging DCI, small data, and Msg3 can all be transmitted. A multiplexing transmission method proposed in the embodiment of the present application can multiplex and transmit these information.

[0158] In actual transmission, the second information is mapped in a constellation layer of the composite constellation.

[0159] It can be seen from the above examples that the second information may include multiple types, which may include the transmission of paging messages or the transmission of subsequently scheduled user data. Therefore, it is necessary to consider reasonably mapping the different information in the second information in the constellation layer of the composite constellation to reduce transmission delay, improve transmission efficiency, and ensure the robustness of data reception to a certain extent.

[0160] Depending on the source of the information, the second information may include the following three situations:

[0161] 1) Multiple messages for a single user. For a single user, multiple types of information may need to be transmitted simultaneously, such as control information, feedback information, and user data. Specifically, multiple messages for a single user may include both control information and user data for the single user, or control information for the single user may include both control information and paging information for the single user. For another example, user data with different priorities / QoS requirements may exist simultaneously. Multiple types of messages for a single user can be multiplexed and transmitted using the MUST method, etc.

[0162] 2) multiple items of information of multiple users, for example, the multiple items of information of multiple users may include data of a first user and data of a second user, or the multiple items of information of multiple users may include control information and data of the first user and data of the second user;

[0163] 3) Public information and information of at least one user, wherein the public information may include a paging message, and the information of at least one user may include: control information and / or data of the first user, or the information of at least one user may include: data of the first user and data of the second user.

[0164] Accordingly, mapping the second information into the constellation layer of the composite constellation may include at least one of the following:

[0165] 1) Mapping multiple pieces of information of a single user into the same or different constellation layers of the composite constellation;

[0166] 2) mapping multiple items of information of multiple users into the same or different constellation layers of the composite constellation;

[0167] 3) Mapping the public information and the information of at least one user into the same or different constellation layers of the composite constellation.

[0168] Based on this, as a first example:

[0169] The first device maps the second information to the constellation layer of the composite constellation, which may include: the first device maps the third information in the second information to the first constellation layer in the composite constellation, and maps the remaining information in the second information except the third information to other constellation layers in the composite constellation except the first constellation layer.

[0170] The third information includes at least one of the following:

[0171] paging messages;

[0172] Paging control information;

[0173] Short messages;

[0174] Short message control information;

[0175] Feedback information;

[0176] Some user data;

[0177] User data generated by terminal devices located at the cell edge.

[0178] The first constellation layer is a constellation layer specified by a protocol or designated by a network-side device, or the first constellation layer is a constellation layer in the composite constellation whose transmission performance satisfies a sixth condition, where the sixth condition includes at least one of the following: best transmission performance, most stable transmission performance, and most reliable transmission performance.

[0179] Furthermore, in the case where the second information includes multiple pieces of information of a single user, the third information may include, but is not limited to, at least one of the following:

[0180] The user control information, i.e., mapping the user control information to the first constellation layer of the composite constellation, and mapping the user data to other constellation layers of the composite constellation except the first constellation layer;

[0181] The user feedback information, i.e., mapping the user feedback information to the first constellation layer of the composite constellation, and mapping the user data to other constellation layers of the composite constellation except the first constellation layer;

[0182] High-priority data, that is, high-priority data is mapped to the first constellation layer of the composite constellation, and other data is mapped to other constellation layers of the composite constellation except the first constellation layer;

[0183] Data with low latency requirements, that is, data with low latency requirements is mapped to the first constellation layer of the composite constellation, and other data is mapped to other constellation layers of the composite constellation except the first constellation layer;

[0184] Data requiring high reliability, that is, data requiring high reliability is mapped to the first constellation layer of the composite constellation, and other data is mapped to other constellation layers of the composite constellation except the first constellation layer.

[0185] Alternatively, the third information is determined based on at least one of the following:

[0186] The data block size of the second information, that is, the constellation layer in which different types of information are placed depends on the size of the data block. For example, a large data block is placed in the first constellation layer, and a small data stream is placed in other constellation layers. The data block size can be determined based on whether the data block is larger than or not smaller than a certain threshold.

[0187] the type of the second information;

[0188] the priority of the second information;

[0189] at least one Quality of Service (QoS) requirement for transmitting the second information;

[0190] Indication of network-side equipment.

[0191] In other words, the mapping order of different types of second information in the constellation layer can be determined in a predefined order, where the predefined order is related to the second information type, the priority of the second information, the data block size of the second information, and at least one QoS requirement for transmitting the second information. Of course, the predefined order can also be indicated by the network side device or specified by the protocol.

[0192] In some embodiments, after determining the mapping order according to the type of the second information, the second information of the same type may be further sorted based on at least one QoS requirement (such as priority, delay, reliability, etc.).

[0193] The multiple pieces of information of a single user may include multiple types of information of a single user, or may be repetitions of the same piece of information of a single user. In other words, the multiple pieces of data of a single user may be repetitions of the same data, that is, the same data of a single user may be repeatedly transmitted at different constellation layers.

[0194] Further, in the case that the second information includes public information and data of at least one user, correspondingly, the third information may include but is not limited to the public information, wherein the public information may be a paging message.

[0195] As a second example:

[0196] The second information includes public information and data of at least one user, and the first device includes the public information in a paging message, wherein mapping the second information in a constellation layer of the composite constellation includes any one of the following:

[0197] 1) Mapping paging messages of different users in the second information to the second constellation layer in the composite constellation, and mapping data of the at least one user to other constellation layers in the composite constellation except the second constellation layer. Furthermore, user information mapped to other constellation layers can be indicated to the user via the second constellation layer or information carried by the second constellation layer. For example, paging information can be mapped to the second constellation layer, and corresponding small data for paging scheduling can be mapped to the third constellation layer.

[0198] 2) Mapping the data and paging messages of different users in the second information to different constellation layers of the composite constellation, and mapping the data and paging messages of the same user in the second information to the same constellation layer in the composite constellation, that is, transmitting the data and paging messages of the same user together. For example, constellation layer 1 is used to transmit the paging message and data of user 1, and constellation layer 2 is used to transmit the paging message and data of user 2.

[0199] 3) Mapping the data and paging messages of different users in the second information to different constellation layers of the composite constellation, and mapping the data and paging messages of the same user in the second information to different constellation layers within the composite constellation. The data of each user and the paging message of each user are independently transmitted on different constellation layers. Furthermore, the data of the at least one user in the second information is mapped to the first portion of constellation layers of the composite constellation, and the paging message in the second information is mapped to the second portion of constellation layers within the composite constellation; or, the paging message in the second information is mapped to the first portion of constellation layers of the composite constellation, and the data of the at least one user in the second information is mapped to the second portion of constellation layers within the composite constellation; wherein the index of the first portion of constellation layers is smaller than the index of the second portion of constellation layers. That is, the paging message of each user may be mapped first, followed by the data of each user. For example, constellation layer 1 is used to transmit the paging message of user 1, constellation layer 2 is used to transmit the paging message of user 2, constellation layer 3 is used to transmit the data of user 1, and constellation layer 4 is used to transmit the data of user 2. Alternatively, the data of each user may be mapped first, followed by the paging message of each user.

[0200] It should be noted that, based on the above technical concept, those skilled in the art may further develop more ways of mapping the second information into the constellation layers of the composite constellation, without being limited to the above embodiment.

[0201] It should be noted that, in the case where the second information includes multiple pieces of information of a single user, step 202 may include:

[0202] Mapping, by the first device, the second information to different constellation layers of the composite constellation;

[0203] The first device sends the second information mapped in the composite constellation to a second device, wherein the first device is a terminal device and the second device is a network side device.

[0204] Alternatively, in the case where the second information includes multiple pieces of information of a single user, step 202 may include: the first device receives the second information mapped on the composite constellation and sent by the second device, wherein the first device is a terminal device, the second device is a network side device, and the second information mapping is mapped by the second device to different constellation layers of the composite constellation.

[0205] It should also be noted that, when the second information includes multiple pieces of information of a single user, or the second information includes multiple pieces of information of multiple users, or the second information includes public information and information of at least one user, step 202 may include:

[0206] Mapping, by the first device, the second information to different constellation layers of the composite constellation;

[0207] The first device sends the second information mapped in the composite constellation to the second device, wherein the first device is a network side device and the second device is a terminal device.

[0208] An embodiment of the present application provides a communication method in which, after obtaining first information including first information related to composite constellation transmission, a first device maps second information to the composite constellation based on the first information for transmission. This transmission mode belongs to a multiplexing transmission mode, wherein the second information includes at least one of a paging message, paging control information, a short message, short message control information, data transmission control information, feedback information, partial user data, and user data that meets a first condition. Therefore, in scenarios where large amounts of information are transmitted or a large number of users perform data transmission, the transmission delay between the terminal and the network side can be reduced, and transmission efficiency can be improved.

[0209] Specifically, the introduction of constellation-layer multiplexing in multi-user overlay technology can increase the amount of multi-user data transmission in a non-connected state or improve the throughput of single-user data transmission. Furthermore, this application also considers using multi-user overlay transmission technology to repeatedly transmit a data block, thereby improving the transmission reliability of the data block.

[0210] It should be noted that the communication method provided in the embodiment of the present application can be executed by a communication device. In the embodiment of the present application, the communication device provided in the embodiment of the present application is described by taking the communication method executed by the communication device as an example.

[0211] The following describes a communication device provided in an embodiment of the present application in conjunction with the accompanying drawings. Since the communication device provided in an embodiment of the present application corresponds to a communication method provided in an embodiment of the present application, the description of the communication device provided in an embodiment of the present application is relatively brief. For details, please refer to the introduction of the method embodiment above.

[0212] As shown in FIG6 , an embodiment of the present application provides a communication device 600 , which may be a terminal device or a network-side device. The device 600 may include: an information acquisition module 601 and an information transmission module 602 .

[0213] The information acquisition module 601 is configured to acquire first information, where the first information includes information related to composite constellation transmission.

[0214] In one implementation, if the apparatus 600 is applied to a network-side device, the information acquisition module 601 may be specifically configured to determine the first information based on the fourth information.

[0215] The fourth information may include but is not limited to at least one of the following:

[0216] UE auxiliary information reported by the terminal device;

[0217] The latest location information of the terminal device stored by the network side device;

[0218] The location information of the terminal device most recently measured by the network-side device, for example, a UE that is farther away uses a constellation layer with a smaller index;

[0219] The ID of the terminal device, for example, the constellation layer to be mapped is determined in ascending order of the UE ID;

[0220] The absolute timing advance (TA) value of the terminal equipment;

[0221] Predefined rules, for example, the mapping order between terminal devices and constellation layers is the same as the order of terminal devices in the paging record table (PagingRecordList).

[0222] Optionally, in a case where the fourth information includes UE auxiliary information reported by the terminal device, the apparatus 600 shown in FIG6 may further include: an information receiving module configured to receive the UE auxiliary information reported by the terminal device.

[0223] The UE assistance information may include but is not limited to at least one of the following:

[0224] location information of the terminal device;

[0225] TA report information of the terminal device;

[0226] beam information of the terminal device;

[0227] The first uplink signal sent by the terminal device may include but is not limited to a sounding reference signal (Sounding Reference Signal, SRS).

[0228] Optionally, the UE assistance information may be reported through at least one of the following:

[0229] a second uplink signal, where the second uplink signal includes at least one of an SRS, a physical random access channel (PRACH), and a message A physical uplink shared channel (MsgA PUSCH). For example, for an inactive terminal device, UE auxiliary information can be transmitted through the SRS, and the network can obtain the UE auxiliary information by measuring the SRS signal. The UE auxiliary information may include beam information, location information, etc.;

[0230] The Nth uplink small data transmission (SDT), where N is an integer greater than or equal to 1. For example, if multiple UL SDT transmissions are supported, or UL SDT repetition is supported, or corresponding to the UL SDT retransmission scenario, UE auxiliary information can be reported in the first UL SDT.

[0231] Optionally, when the apparatus 600 is applied to a network-side device, the apparatus 600 shown in FIG6 may further include: an information providing module, configured to provide the first information to the terminal device in a first manner, so that the terminal device transmits the second information mapped in the composite constellation based on the first information.

[0232] In another embodiment, if the apparatus 600 is applied to a terminal device, the information acquisition module 601 may be specifically configured to: acquire the first information in a first manner.

[0233] The first method may include but is not limited to at least one of the following:

[0234] Carried by paging control information;

[0235] Carried by the physical downlink control channel (PDCCH) for paging;

[0236] Carried by paging downlink control information (DCI);

[0237] Carried in paging messages;

[0238] Carried by the physical downlink data channel (PDSCH) for paging;

[0239] Carried by short message control information;

[0240] Carried by short message PDCCH;

[0241] Carried by short messages;

[0242] Configured by system information, for example, may be carried by at least one of a synchronization signal block (Synchronization Signal / PBCH Block, SSB) and a system information block (System Information Block, SIB);

[0243] It is configured by a Radio Resource Control (RRC) message, for example, it can be configured by an RRC Connection Release (RRC Connection Release) message.

[0244] In some embodiments, the first information may include but is not limited to at least one of the following:

[0245] 1) an indication of support for composite constellation transmission, such as indicating support or non-support for composite constellation transmission;

[0246] 2) the number of constellation layers in the composite constellation;

[0247] 3) constellation layer index in the composite constellation, such as constellation layer information corresponding to the terminal device;

[0248] 4) Transmission power ratio for terminal devices, such as the transmission power ratio between different terminal devices;

[0249] 5) the coding mode corresponding to the constellation layer in the composite constellation, such as the coding mode used on the constellation layer corresponding to the terminal device;

[0250] 6) a superposition coding method corresponding to the composite constellation;

[0251] 7) The modulation mode corresponding to the constellation layer in the composite constellation, such as the modulation mode and modulation order used on the constellation layer corresponding to the terminal device;

[0252] 8) Modulation and coding scheme for data transmission in the composite constellation;

[0253] 9) the correspondence between constellation layers and terminal devices in the composite constellation;

[0254] 10) Instructions on multiplexing and transmission of user data.

[0255] It should be noted that the above items 9) and 10) may not be included in the first information, but may be predefined by the protocol.

[0256] In the embodiment of the present application, a constellation layer refers to at least one of the following in a composite constellation:

[0257] sub-constellations;

[0258] spatial layer;

[0259] At least one bit.

[0260] Based on the content of the first information listed above, it can be seen that the first information can be used to determine the specific constellation layer to which data corresponding to a terminal device is mapped. For example, if the first device is a network-side device and the second device is a terminal device, the terminal device can determine the constellation layer on which its data is transmitted on the multi-user multiplexing transmission channel subsequently sent by the network-side device based on the constellation layer-related information carried in the paging PDCCH.

[0261] Furthermore, as an example, the first information is carried in a paging message, and the paging message is mapped to a first constellation layer of the composite constellation. The first constellation layer may be a constellation layer specified by a protocol or designated by a network-side device, or the first constellation layer may be a constellation layer in the composite constellation whose transmission performance satisfies a sixth condition, where the sixth condition includes at least one of the following: best transmission performance, most stable transmission performance, and most reliable transmission performance.

[0262] Furthermore, as another example, the first information includes a correspondence between other constellation layers in the composite constellation except the first constellation layer and the terminal device.

[0263] In some embodiments, the first information indicates that the order of correspondence between constellation layers and terminal devices in the composite constellation is the same as the order of terminal devices in a paging record table (PagingRecordList), where the paging record table may be carried in a paging message (Paging message) or a paging PDSCH. For example, a terminal device may know in which constellation layer data sent to it is carried based on information such as the position, index, and order of the paging record (PagingRecord) sent to it in the paging message within the entire paging record table.

[0264] Of course, the first information may not indicate that the order of correspondence between constellation layers and terminal devices in the composite constellation is the same as the order of terminal devices in the paging record table, but is specified by the protocol.

[0265] In some other embodiments, the index of the constellation layer in the first information is obtained by arranging in ascending or descending order according to the power allocation ratio of different terminal devices.

[0266] In some embodiments, for a terminal device, whether multiplexed transmission of user data exists may be configured by a network-side device, for example, by indicating to the terminal device via a paging DCI whether multiple paged terminal devices have user data.

[0267] The information transmission module 602 is configured to transmit, in a non-connected state, second information mapped in the composite constellation based on the first information.

[0268] The non-connected state may include, but is not limited to, at least one of: a radio resource control protocol RRC idle state, an RRC inactive state (RRC-inactive state), a standby state, and a state before random access after RRC connection release. The non-connected state may also be a standby state introduced in 6G or future mobile communication systems and other non-connected states before random access.

[0269] Unlike data transmission in the connection state, in the non-connection state, only simple, necessary, or small data transmission is usually performed. For example, data transmission in the non-connection state mainly includes: Random Access Channel-based Small Data Transmission (RACH-based SDT) transmitted on the uplink Msg3 triggered by the terminal, or Charging Gateway (CG)-based Short Data Transmission (CG-based SDT) transmitted on the Charging Gateway (CG) Physical Uplink Data Channel (PUSCH) CG, or Message Transfer SDT (MT-SDT) triggered by the network side.

[0270] However, in scenarios where a large number of users are transmitting data in a non-connected state, due to system capacity limitations, data transmission delays can be significant and transmission efficiency can be low. To address this issue, the present invention utilizes the MUST technology for multi-user data transmission in a non-connected state, mapping the second information in the non-connected state to different constellation layers of a composite constellation for transmission, thereby reducing transmission delay and improving transmission efficiency in the non-connected state.

[0271] Optionally, the apparatus 600 shown in FIG6 may further include: an information mapping module, configured to map the second information in a constellation layer of the composite constellation before transmitting the second information mapped in the composite constellation based on the first information.

[0272] Furthermore, in this embodiment of the present application, the second information mapped into the composite constellation by the information transmission module 602 may include but is not limited to at least one of the following:

[0273] 1) Paging message;

[0274] 2) Paging control information, such as Paging DCI;

[0275] 3) Short message;

[0276] 4) Short message control information, such as short message DCI;

[0277] 5) Data transmission control information;

[0278] 6) Feedback information;

[0279] 7) Some user data;

[0280] 8) User data that meets the first condition.

[0281] The first condition includes at least one of the following:

[0282] ① The data block size is less than or equal to a first threshold, where the first threshold may be configured by the network side or specified by the protocol;

[0283] ② The positional relationship between the scheduled terminal device and the network-side device satisfies the second condition. For example, the second condition may include that the terminal device is located at the edge or center of the cell, that is, the user terminal is a long-distance user terminal (such as a UE located at the edge of the cell) or the user terminal is a short-distance user terminal (such as a UE located at the center of the cell);

[0284] ③ The channel state information (CSI) between the scheduled terminal device and the network side device meets the third condition. For example, the third condition may include that the channel quality indicator (CQI) value in the CSI is less than or equal to the second threshold, where the first threshold may be configured by the network side or specified by the protocol;

[0285] ④ The relative position relationship between the multiple scheduled terminal devices and the network side device satisfies the fourth condition. For example, the fourth condition may include that the distance between the first user terminal (UE1) and the base station is greater than the distance between the second user terminal (UE2) and the base station by X%, and X is greater than zero;

[0286] ⑤ The CSI between the scheduled multiple terminal devices and the network side device meets the fifth condition. For example, the fifth condition may include that the CQI value between the first user terminal (UE1) and the base station is greater than the CQI value Y% between the second user terminal (UE2) and the base station, and Y is greater than zero.

[0287] In actual transmission, the second information is mapped in a constellation layer of the composite constellation.

[0288] It can be seen from the above examples that the second information may include multiple types, which may include the transmission of paging messages or the transmission of subsequently scheduled user data. Therefore, it is necessary to consider reasonably mapping the different information in the second information in the constellation layer of the composite constellation to reduce transmission delay, improve transmission efficiency, and ensure the robustness of data reception to a certain extent.

[0289] Depending on the source of the information, the second information may include the following three situations:

[0290] 1) Multiple messages for a single user. For a single user, multiple types of information may need to be transmitted simultaneously, such as control information, feedback information, and user data. Specifically, multiple messages for a single user may include both control information and user data for the single user, or control information for the single user may include both control information and paging information for the single user. For another example, user data with different priorities / QoS requirements may exist simultaneously. Multiple types of messages for a single user can be multiplexed and transmitted using the MUST method, etc.

[0291] 2) multiple items of information of multiple users, for example, the multiple items of information of multiple users may include data of a first user and data of a second user, or the multiple items of information of multiple users may include control information and data of the first user and data of the second user;

[0292] 3) Public information and information of at least one user, wherein the public information may include a paging message, and the information of at least one user may include: control information and / or data of the first user, or the information of at least one user may include: data of the first user and data of the second user.

[0293] Accordingly, the second information is mapped in the constellation layer of the composite constellation and may include at least one of the following:

[0294] 1) Mapping multiple pieces of information of a single user into the same or different constellation layers of the composite constellation;

[0295] 2) mapping multiple pieces of information of multiple users into the same or different constellation layers of the composite constellation;

[0296] 3) Mapping the public information and the information of at least one user into the same or different constellation layers of the composite constellation.

[0297] On this basis, as a first example, the information mapping module can be specifically used to:

[0298] The third information in the second information is mapped to a first constellation layer in a composite constellation, and the remaining information in the second information except the third information is mapped to other constellation layers in the composite constellation except the first constellation layer.

[0299] The third information includes at least one of the following:

[0300] paging messages;

[0301] Paging control information;

[0302] Short messages;

[0303] Short message control information;

[0304] Feedback information;

[0305] Some user data;

[0306] User data generated by terminal devices located at the cell edge.

[0307] The first constellation layer is a constellation layer specified by a protocol or designated by a network-side device, or the first constellation layer is a constellation layer in the composite constellation whose transmission performance satisfies a sixth condition, where the sixth condition includes at least one of the following: best transmission performance, most stable transmission performance, and most reliable transmission performance.

[0308] Furthermore, in the case where the second information includes multiple pieces of information of a single user, the third information may include, but is not limited to, at least one of the following:

[0309] The user control information, i.e., mapping the user control information to the first constellation layer of the composite constellation, and mapping the user data to other constellation layers of the composite constellation except the first constellation layer;

[0310] The user feedback information, i.e., mapping the user feedback information to the first constellation layer of the composite constellation, and mapping the user data to other constellation layers of the composite constellation except the first constellation layer;

[0311] High-priority data, that is, high-priority data is mapped to the first constellation layer of the composite constellation, and other data is mapped to other constellation layers of the composite constellation except the first constellation layer;

[0312] Data with low latency requirements, that is, data with low latency requirements is mapped to the first constellation layer of the composite constellation, and other data is mapped to other constellation layers of the composite constellation except the first constellation layer;

[0313] Data requiring high reliability, that is, data requiring high reliability is mapped to the first constellation layer of the composite constellation, and other data is mapped to other constellation layers of the composite constellation except the first constellation layer.

[0314] Alternatively, the third information is determined based on at least one of the following:

[0315] The data block size of the second information, that is, the constellation layer in which different types of information are placed depends on the size of the data block. For example, a large data block is placed in the first constellation layer, and a small data stream is placed in other constellation layers. The data block size can be determined based on whether the data block is larger than or not smaller than a certain threshold.

[0316] the type of the second information;

[0317] the priority of the second information;

[0318] at least one Quality of Service (QoS) requirement for transmitting the second information;

[0319] Indication of network-side equipment.

[0320] In other words, the mapping order of different types of second information in the constellation layer can be determined in a predefined order, where the predefined order is related to the second information type, the priority of the second information, the data block size of the second information, and at least one QoS requirement for transmitting the second information. Of course, the predefined order can also be indicated by the network side device or specified by the protocol.

[0321] In some embodiments, after determining the mapping order according to the type of the second information, the second information of the same type may be further sorted based on at least one QoS requirement (such as priority, delay, reliability, etc.).

[0322] The multiple pieces of information of a single user may include multiple types of information of a single user, or may be repetitions of the same piece of information of a single user.

[0323] Further, in the case that the second information includes public information and data of at least one user, correspondingly, the third information may include but is not limited to the public information, wherein the public information may be a paging message.

[0324] As a second example, the information mapping module may be used for any of the following:

[0325] 1) Mapping paging messages of different users in the second information to the second constellation layer in the composite constellation, and mapping data of the at least one user to other constellation layers in the composite constellation except the second constellation layer. Furthermore, user information mapped to other constellation layers can be indicated to the user via the second constellation layer or information carried by the second constellation layer. For example, paging information can be mapped to the second constellation layer, and corresponding small data for paging scheduling can be mapped to the third constellation layer.

[0326] 2) Mapping the data and paging messages of different users in the second information to different constellation layers of the composite constellation, and mapping the data and paging messages of the same user in the second information to the same constellation layer in the composite constellation, that is, transmitting the data and paging messages of the same user together. For example, constellation layer 1 is used to transmit the paging message and data of user 1, and constellation layer 2 is used to transmit the paging message and data of user 2.

[0327] 3) Mapping the data and paging messages of different users in the second information to different constellation layers of the composite constellation, and mapping the data and paging messages of the same user in the second information to different constellation layers within the composite constellation. The data of each user and the paging message of each user are independently transmitted on different constellation layers. Furthermore, the data of the at least one user in the second information is mapped to the first portion of constellation layers of the composite constellation, and the paging message in the second information is mapped to the second portion of constellation layers within the composite constellation; or, the paging message in the second information is mapped to the first portion of constellation layers of the composite constellation, and the data of the at least one user in the second information is mapped to the second portion of constellation layers within the composite constellation; wherein the index of the first portion of constellation layers is smaller than the index of the second portion of constellation layers. That is, the paging message of each user may be mapped first, followed by the data of each user. For example, constellation layer 1 is used to transmit the paging message of user 1, constellation layer 2 is used to transmit the paging message of user 2, constellation layer 3 is used to transmit the data of user 1, and constellation layer 4 is used to transmit the data of user 2. Alternatively, the data of each user may be mapped first, followed by the paging message of each user.

[0328] It should be noted that, based on the above technical concept, those skilled in the art may further develop more ways of mapping the second information into the constellation layers of the composite constellation, without being limited to the above embodiment.

[0329] It should be noted that the device shown in FIG6 can implement the method shown in FIG2 and can achieve the same technical effect, so the description is relatively simple. For relevant details, please refer to the description of the embodiment shown in FIG2 above.

[0330] It should be noted that the communication device in the embodiments of the present application can be an electronic device, such as an electronic device with an operating system, or a component in an electronic device, such as an integrated circuit or chip. The electronic device can be a terminal or other device other than a terminal. For example, the terminal can include but is not limited to the types of terminal 11 listed above, and other devices can be servers, network attached storage (NAS), etc., which are not specifically limited in the embodiments of the present application.

[0331] Optionally, as shown in Figure 7, an embodiment of the present application also provides a communication device 700, including a processor 701 and a memory 702, and the memory 702 stores programs or instructions that can be run on the processor 701. For example, when the communication device 700 is a terminal, the program or instruction is executed by the processor 701 to implement the various steps of the above-mentioned communication method embodiment and can achieve the same technical effect. To avoid repetition, it will not be repeated here.

[0332] The embodiment of the present application also provides a terminal, including a processor and a communication interface, wherein the processor is configured to obtain first information, the first information including information related to composite constellation transmission; and the communication interface is configured to transmit second information mapped in the composite constellation based on the first information, wherein the second information includes at least one of a paging message, paging control information, a short message, short message control information, data transmission control information, feedback information, partial user data, and user data that meets a first condition. This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment, and each implementation process and implementation method of the above-mentioned method embodiment can be applied to this terminal embodiment and can achieve the same technical effect. Specifically, Figure 8 is a schematic diagram of the hardware structure of a terminal that implements an embodiment of the present application.

[0333] The terminal 800 includes but is not limited to: a radio frequency unit 801, a network module 802, an audio output unit 803, an input unit 804, a sensor 805, a display unit 806, a user input unit 807, an interface unit 808, a memory 809 and at least some of the components of the processor 810.

[0334] Those skilled in the art will appreciate that the terminal 800 may also include a power supply (such as a battery) to power various components. The power supply may be logically connected to the processor 810 through a power management system, thereby implementing functions such as charging, discharging, and power consumption management through the power management system. The terminal structure shown in FIG8 does not constitute a limitation of the terminal. The terminal may include more or fewer components than shown, or combine certain components, or arrange the components differently, which will not be described in detail here.

[0335] It should be understood that in an embodiment of the present application, the input unit 804 may include a graphics processing unit (GPU) 8041 and a microphone 8042, and the graphics processor 8041 processes the image data of a static picture or video obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. The display unit 806 may include a display panel 8061, and the display panel 8061 may be configured in the form of a liquid crystal display, an organic light emitting diode, etc. The user input unit 807 includes a touch panel 8071 and at least one of other input devices 8072. The touch panel 8071 is also called a touch screen. The touch panel 8071 may include two parts: a touch detection device and a touch controller. Other input devices 8072 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which will not be repeated here.

[0336] In the embodiment of the present application, after receiving downlink data from a network-side device, the radio frequency unit 801 may transmit the data to the processor 810 for processing. Furthermore, the radio frequency unit 801 may send uplink data to the network-side device. Typically, the radio frequency unit 801 includes, but is not limited to, an antenna, an amplifier, a transceiver, a coupler, a low-noise amplifier, a duplexer, and the like.

[0337] The memory 809 can be used to store software programs or instructions and various data. The memory 809 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, applications or instructions required for at least one function (such as a sound playback function, an image playback function, etc.), etc. In addition, the memory 809 may include a volatile memory or a non-volatile memory, or the memory 809 may include both volatile and non-volatile memories. Among them, the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory. The volatile memory may be random access memory (RAM), static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDRSDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link dynamic random access memory (SLDRAM), and direct RAM bus random access memory (DRRAM). The memory 809 in the embodiment of the present application includes but is not limited to these and any other suitable types of memory.

[0338] Processor 810 may include one or more processing units. Optionally, processor 810 integrates an application processor and a modem processor. The application processor primarily handles operations related to the operating system, user interface, and application programs, while the modem processor primarily processes wireless communication signals, such as a baseband processor. It is understood that the modem processor may not be integrated into processor 810.

[0339] The processor 810 may be configured to obtain first information, where the first information includes information related to composite constellation transmission.

[0340] The radio frequency unit 801 may be configured to transmit second information mapped in the composite constellation based on the first information, wherein the second information includes at least one of a paging message, paging control information, a short message, short message control information, data transmission control information, feedback information, partial user data, and user data that meets the first condition.

[0341] In the embodiment of the present application, after acquiring the first information including the first information related to the composite constellation transmission, the terminal 800 may map the second information into the composite constellation based on the first information for transmission, that is, perform multiplexing string transmission on the second information. Therefore, the transmission delay of the second information can be reduced and the transmission efficiency of the second information can be improved.

[0342] An embodiment of the present application further provides a network-side device, comprising a processor and a communication interface, wherein the processor is configured to transmit second information mapped in the composite constellation based on the first information; and the communication interface is configured to transmit the second information mapped in the composite constellation based on the first information, wherein the second information includes at least one of a paging message, paging control information, a short message, short message control information, data transmission control information, feedback information, partial user data, and user data that meets a first condition. This network-side device embodiment corresponds to the aforementioned network-side device method embodiment, and each implementation process and implementation method of the aforementioned method embodiment are applicable to this network-side device embodiment and can achieve the same technical effects.

[0343] Specifically, embodiments of the present application also provide a network-side device. As shown in Figure 9, the network-side device 900 includes an antenna 901, a radio frequency device 902, a baseband device 903, a processor 904, and a memory 905. Antenna 901 is connected to radio frequency device 902. In the uplink direction, radio frequency device 902 receives information via antenna 901 and sends the received information to baseband device 903 for processing. In the downlink direction, baseband device 903 processes the information to be transmitted and sends it to radio frequency device 902. Radio frequency device 902 processes the received information and then sends it through antenna 901.

[0344] The method executed by the network-side device in the above embodiment may be implemented in the baseband device 903 , which includes a baseband processor.

[0345] The baseband device 903 may include, for example, at least one baseband board, on which multiple chips are arranged, as shown in Figure 9, one of which is, for example, a baseband processor, which is connected to the memory 905 through a bus interface to call the program in the memory 905 and execute the network side device operations shown in the above method embodiment.

[0346] The network side device may further include a network interface 906, which is, for example, a common public radio interface (CPRI).

[0347] Specifically, the network side device 9000 of the embodiment of the present application also includes: instructions or programs stored in the memory 905 and can be run on the processor 904. The processor 904 calls the instructions or programs in the memory 905 to execute the methods executed by each module shown in Figure 6 and achieve the same technical effect. To avoid repetition, it will not be repeated here.

[0348] An embodiment of the present application also provides a readable storage medium, on which a program or instruction is stored. When the program or instruction is executed by a processor, the various processes of the above-mentioned communication method embodiment are implemented and the same technical effect can be achieved. To avoid repetition, it will not be repeated here.

[0349] The processor is the processor in the terminal described in the above embodiment. The readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

[0350] An embodiment of the present application further provides a chip, which includes a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the various processes of the above-mentioned communication method embodiment and achieve the same technical effect. To avoid repetition, it will not be repeated here.

[0351] It should be understood that the chip mentioned in the embodiments of the present application can also be called a system-level chip, a system chip, a chip system or a system-on-chip chip, etc.

[0352] An embodiment of the present application further provides a computer program / program product, which is stored in a non-volatile storage medium. The computer program / program product is executed by at least one processor to implement the various processes of the above-mentioned communication method embodiment and can achieve the same technical effect. To avoid repetition, it will not be repeated here.

[0353] An embodiment of the present application also provides a communication system, including: a terminal and a network side device, wherein the terminal can act as a first device to execute the steps of the communication method described in Figure 2, or the network side device can act as a first device to execute the steps of the communication method described in Figure 2.

[0354] It should be noted that, in this article, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element. In addition, it should be noted that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in the opposite order according to the functions involved. For example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0355] Through the description of the above implementation methods, those skilled in the art can clearly understand that the above-mentioned embodiment methods can be implemented by means of software plus the necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, can be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk), and includes a number of instructions for enabling a terminal (which can be a mobile phone, computer, server, air conditioner, or network-side device, etc.) to execute the methods described in each embodiment of the present application.

[0356] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of this application, ordinary technicians in this field can also make many forms without departing from the purpose of this application and the scope of protection of the claims, all of which are within the protection of this application.

Claims

1. A communication method, the method comprising: The first device obtains first information, where the first information includes information related to a composite constellation; The first device transmits second information mapped in the composite constellation based on the first information; Wherein, the second information includes at least one of the following: Paging message; Paging control information; Short message; Short message control information; Data transmission control information; Feedback information; Partial user data; User data satisfying a first condition.

2. The method according to claim 1, wherein The first device transmits second information mapped in the composite constellation based on the first information, including: In a non-connected state, the first device transmits second information mapped in the composite constellation layer based on the first information, where the non-connected state includes at least one of a Radio Resource Control (RRC) idle state, an RRC inactive state, a standby state, and a state before random access after RRC connection release.

3. The method according to claim 1, wherein, Wherein, The first condition includes at least one of the following: The data block size is less than or equal to a first threshold; The positional relationship between the scheduled terminal device and the network-side device satisfies a second condition; The Channel State Information (CSI) between the scheduled terminal device and the network-side device satisfies a third condition; The relative positional relationship between multiple scheduled terminal devices and the network-side device satisfies a fourth condition; The CSI between multiple scheduled terminal devices and the network-side device satisfies a fifth condition.

4. The method according to any one of claims 1 to 3, wherein The second information includes at least one of the following: Multiple pieces of information of a single user; Multiple pieces of information of multiple users; Common information and information of at least one user.

5. The method according to any one of claims 1-4, wherein, Before the first device transmits second information mapped in the composite constellation based on the first information, the method further includes: The first device maps the second information in the constellation layer of the composite constellation, where the constellation layer of the composite constellation includes at least one of the following: A sub-constellation in the composite constellation; A spatial layer in the composite constellation; At least one bit in the composite constellation.

6. The method according to claim 5, wherein Mapping the second information in the constellation layer of the composite constellation includes: Mapping third information in the second information in a first constellation layer of the composite constellation, and mapping the remaining information in the second information except the third information in other constellation layers of the composite constellation except the first constellation layer; Wherein, the third information includes at least one of the following: Paging message; Paging control information; Short message; Short message control information; Feedback information; Partial user data; User data generated by a terminal device located at the cell edge; Wherein, the first constellation layer is a constellation layer specified by a protocol or designated by the network-side device, or the first constellation layer is a constellation layer in the composite constellation whose transmission performance satisfies a sixth condition.

7. The method according to claim 6, wherein, In the case where the second information includes multiple pieces of information of a single user, wherein the third information includes any one of the following: Control information of the user; Feedback information of the user; Data with high priority; Data with low latency requirements; Data with high reliability requirements; Or, the third information is determined according to at least one of the following: The data block size of the second information; The type of the second information; The priority of the second information; At least one quality of service (QoS) requirement for transmitting the second information; An indication from the network side device.

8. The method according to claim 4 or 7, wherein The multiple pieces of information of the single user include: Multiple types of information of a single user, and / or, a repetition of the same piece of information of a single user.

9. The method according to claim 6, wherein In the case where the second information includes common information and data of at least one user, wherein the third information includes the common information.

10. The method according to claim 5, wherein, The second information includes common information and data of at least one user, the common information includes a paging message, wherein mapping the second information in the constellation layer of the composite constellation includes: Mapping the paging messages of different users in the second constellation layer of the composite constellation, and mapping the data of the at least one user in other constellation layers of the composite constellation except the second constellation layer; Or, Mapping the data and paging messages of different users in the second information in different constellation layers of the composite constellation, and mapping the data and paging messages of the same user in the second information in the same constellation layer of the composite constellation; Or, Mapping the data and paging messages of different users in the second information in different constellation layers of the composite constellation, and mapping the data and paging messages of the same user in the second information in different constellation layers of the composite constellation.

11. The method according to any one of claims 1-10, wherein The first information includes at least one of the following: An indication supporting composite constellation transmission; The number of constellation layers in the composite constellation; The constellation layer index in the composite constellation; The transmission power ratio for the terminal device; The coding method corresponding to the constellation layer in the composite constellation; The superimposed coding method corresponding to the composite constellation; The modulation method corresponding to the constellation layer in the composite constellation; The modulation and coding method for data transmission in the composite constellation; The correspondence between the constellation layer in the composite constellation and the terminal device; An indication regarding multiplexed transmission of user data.

12. The method according to any one of claims 1-11, wherein, Wherein, The first device obtains the first information, including: The network side device determines the first information based on the fourth information; Wherein, the fourth information includes at least one of the following: UE assistance information reported by the terminal device; The latest location information of the terminal device stored by the network side device; The location information of the terminal device newly measured by the network side device; The ID of the terminal device; The absolute timing advance (TA) value of the terminal device; Predefined rules.

13. According to the method of claim 12, the fourth information includes UE assistance information reported by the terminal device. Before the first device transmits the second information mapped in the composite constellation based on the first information, the method further includes: The network side device receives the UE assistance information reported by the terminal device.

14. The method according to claim 12 or 13, wherein, The UE assistance information includes at least one of the following: The location information of the terminal device; The TA report information of the terminal device; The beam information of the terminal device; The first uplink signal sent by the terminal device, the first uplink signal includes a sounding reference signal (SRS).

15. The method according to any one of claims 12 - 14, wherein, The UE assistance information is reported through at least one of the following: A second uplink signal, where the second uplink signal includes at least one of a sounding reference signal SRS, a physical random access channel PRACH, and a physical uplink data channel MsgA PUSCH for message A; The Nth uplink small data transmission SDT, where N is an integer greater than or equal to 1.

16. The method according to any one of claims 12 - 15, wherein, The method further includes: The network-side device provides the first information to the terminal device by a first method.

17. The method according to any one of claims 1-11, wherein The first device is a terminal device, where obtaining the first information by the first device includes: The terminal device obtains the first information by a first method.

18. The method according to claim 16 or 17, wherein The first method includes at least one of the following: Carried by paging control information; Carried by a paging physical downlink control channel PDCCH; Carried by paging downlink control information DCI; Carried by a paging message; Carried by a paging physical downlink data channel PDSCH; Carried by short message control information; Carried by a short message PDCCH; Carried by a short message; Configured by system information; Configured by a radio resource control protocol RRC message.

19. The method according to claim 18, wherein The first information is carried by a paging message, and the paging message is mapped in the first constellation layer of the composite constellation; Wherein, the first constellation layer is a constellation layer specified by a protocol or a network-side device, or the first constellation layer is a constellation layer in the composite constellation whose transmission performance meets a sixth condition.

20. The method according to claim 19, wherein The first information includes the correspondence between other constellation layers in the composite constellation except the first constellation layer and the terminal device.

21. The method according to any one of claims 11-20, wherein The first information indicates that the correspondence order between the constellation layers in the composite constellation and the terminal device is the same as the order of the terminal devices in the paging record table; And / or The indexes of the constellation layers in the first information are arranged in ascending or descending order according to the power allocation ratios of different terminal devices.

22. A communication device, the device includes: An information acquisition module, configured to acquire first information, where the first information includes information related to composite constellation transmission; An information transmission module, configured to transmit second information mapped in the composite constellation based on the first information; Wherein, the second information includes at least one of the following: A paging message; Paging control information; A short message; Short message control information; Data transmission control information; Feedback information; Partial user data; User data that meets a first condition.

23. The device according to claim 22, wherein The information transmission module is specifically configured to: In a non-connected state, the first device transmits second information mapped in the composite constellation layer based on the first information, where the non-connected state includes at least one of a radio resource control protocol RRC idle state, an RRC inactive state, a standby state, and a state before random access after RRC connection release.

24. The apparatus according to claim 22, wherein, Wherein, The first condition includes at least one of the following: The data block size is less than or equal to a first threshold; The positional relationship between the scheduled terminal device and the network-side device meets a second condition; The channel state information CSI between the scheduled terminal device and the network-side device meets a third condition; The relative position relationship between multiple scheduled terminal devices and the network-side device satisfies a fourth condition; The CSI between multiple scheduled terminal devices and the network-side device satisfies a fifth condition.

25. The device according to any one of claims 22-24, wherein, The second information includes at least one of the following: Multiple pieces of information of a single user; Multiple pieces of information of multiple users; Public information and information of at least one user.

26. The apparatus according to any one of claims 22-25, wherein, It further includes: An information mapping module, configured to map the second information in a constellation layer of the composite constellation before transmitting and mapping the second information in the composite constellation based on the first information, where the constellation layer of the composite constellation includes at least one of the following: A sub-constellation in the composite constellation; A spatial layer in the composite constellation; At least one bit in the composite constellation.

27. The apparatus according to claim 26, wherein, Specifically, the information mapping module is configured to: Map the third information in the second information to a first constellation layer in the composite constellation, and map the remaining information in the second information except the third information to other constellation layers in the composite constellation except the first constellation layer; Wherein, the third information includes at least one of the following: A paging message; Paging control information; A short message; Short message control information; Feedback information; Partial user data; User data generated by a terminal device located at the cell edge; Wherein, the first constellation layer is a constellation layer specified by a protocol or the network-side device, or the first constellation layer is a constellation layer in the composite constellation whose transmission performance satisfies a sixth condition.

28. The apparatus according to claim 26, wherein, The second information includes public information and data of at least one user, and the public information includes a paging message. Specifically, the information mapping module is configured to: Map paging messages of different users in the second information to a second constellation layer in the composite constellation, and map the data of the at least one user to other constellation layers in the composite constellation except the second constellation layer; Or, Map data and paging messages of different users in the second information to different constellation layers in the composite constellation, and map data and paging messages of the same user in the second information to the same constellation layer in the composite constellation; Or, Map data and paging messages of different users in the second information to different constellation layers in the composite constellation, and map data and paging messages of the same user in the second information to different constellation layers in the composite constellation.

29. The apparatus according to any one of claims 22-28, wherein, The first information includes at least one of the following: An indication supporting composite constellation transmission; The number of constellation layers in the composite constellation; The constellation layer index in the composite constellation; The transmission power ratio for a terminal device; The coding method corresponding to the constellation layer in the composite constellation; The superimposed coding method corresponding to the composite constellation; The modulation method corresponding to the constellation layer in the composite constellation; The modulation and coding method for data transmission in the composite constellation; The correspondence between the constellation layer in the composite constellation and the terminal device; An indication regarding multiplexed transmission of user data.

30. The apparatus according to any one of claims 22 - 29, wherein, Specifically, the information acquisition module is configured to determine the first information based on fourth information; Wherein, the fourth information includes at least one of the following: UE assistance information reported by a terminal; The latest location information of the terminal stored by the network-side device; The location information of the terminal newly measured by the network-side device; The ID of the terminal; The absolute timing advance TA value; The predefined rule.

31. The device according to claim 30, wherein, The fourth information includes the UE assistance information reported by the terminal device, and the apparatus further includes: An information receiving module, configured to receive the UE assistance information reported by the terminal device before transmitting the second information mapped in the composite constellation based on the first information.

32. The device according to claim 30 or 31, wherein, The apparatus further includes: An information providing module, configured to provide the first information to the terminal device by a first method.

33. The apparatus according to any one of claims 22-29, wherein, The information obtaining module is specifically configured to: obtain the first information by a first method.

34. The apparatus according to claim 32 or 33, wherein The first method includes at least one of the following: Carried by paging control information; Carried by a paging physical downlink control channel PDCCH; Carried by paging downlink control information DCI; Carried by a paging message; Carried by a paging physical downlink data channel PDSCH; Carried by short message control information; Carried by a short message PDCCH; Carried by a short message; Configured by system information; Configured by a radio resource control protocol RRC message.

35. A communication device, including a processor and a memory, where the memory stores a program or instruction that can run on the processor, and when the program or instruction is executed by the processor, the steps of the communication method according to any one of claims 1 to 21 are implemented.

36. A readable storage medium, where a program or instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the communication method according to any one of claims 1 to 21 is implemented.

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