WO2019024067A1

WO2019024067A1 - Method and device for wireless communication between user and base station

Info

Publication number: WO2019024067A1
Application number: PCT/CN2017/095936
Authority: WO
Inventors: 蒋琦
Original assignee: 南通朗恒通信技术有限公司
Priority date: 2017-08-04
Filing date: 2017-08-04
Publication date: 2019-02-07
Also published as: CN110771215A; CN110771215B

Abstract

Disclosed in the present application are a method and device for wireless communication between a user and a base station: a user equipment operates a first wireless signal, a second wireless signal and a third wireless signal respectively in a first time frequency resource; the first wireless signal, the second wireless signal and the third wireless signal occupy a first resource unit set, a second resource unit set and a third resource unit set respectively; the transmission power of the first wireless signal and the transmission power of the third wireless signal are a first power, the transmission power of the second wireless signal is a second power, and the ratio of the second power to the first power is variable. According to the present application, the ratio of the second power to the first power is designed to be variable, so that when a system introduces an auxiliary demodulation reference signal, interference introduced by the auxiliary demodulation reference signal is reduced by means of transmission power adjustment, and the overall performance of the system is thus improved.

Description

Method and device in user, base station used for wireless communication

Technical field

The present application relates to a transmission method and apparatus in a wireless communication system, and more particularly to a method and apparatus for transmitting wireless signals supporting high speed mobile communication.

Background technique

Massive MIMO (Multi-Input Multi-Output) has become a research hotspot for next-generation mobile communications. In massive MIMO, multiple antennas are beamformed to form a narrower beam pointing in a specific direction to improve communication quality. For large-scale MIMO and future 5G communications, high-speed mobility will be a key discussion.

In the 3GPP (3rd Generation Partner Project, 3rd Generation Partnership Project) new air interface discussion, the consensus of most companies is that for high-speed mobile or other wireless channel conditions, especially in the scenario of introducing large-scale MIMO. The density of existing DMRS will not guarantee transmission performance. Furthermore, in the 3GGP discussion, the reserved DMRS is introduced to further improve the performance of channel estimation and demodulation, while maintaining the traditional DMRS (Demodulation Reference Signal). Correspondingly, the new and auxiliary DMRS are related. The design needs to be introduced.

Summary of the invention

The inventor discovered through research that one problem is that when the auxiliary DMRS is introduced, the auxiliary DMRS will interfere with the UE (User Equipment) that does not have the auxiliary DMRS and schedules the same time-frequency resources. Another problem is due to The auxiliary DMRS is used for channel estimation and demodulation, and the performance and anti-jamming capability of the auxiliary DMRS itself also needs to be enhanced.

With regard to the above design, the present application discloses a solution. In the case of no conflict, the features in the embodiments and embodiments in the user equipment of the present application can be applied to the base station and vice versa. The features of the embodiments and the embodiments of the present application may be combined with each other arbitrarily without conflict.

The present application discloses a method in a user equipment used for wireless communication, characterized in that include:

- operating the first wireless signal, the second wireless signal, and the third wireless signal, respectively, in the first time-frequency resource;

The first wireless signal, the second wireless signal, and the third wireless signal respectively occupy a first resource unit set, a second resource unit set, and a third resource unit set; and the first time-frequency resource is assumed Included in the reference signal transmitted by the K antenna ports, the set of resource units occupied by the reference signal transmitted by the K antenna ports in the first time-frequency resource includes all of the second resource unit set a resource unit; a transmit power of the first wireless signal and a transmit power of the third wireless signal is a first power, a transmit power of the second wireless signal is a second power, and the second power is to the first The ratio of a power is variable; the first wireless signal is a reference signal, and the small-scale channel parameters experienced by the first wireless signal can be used to infer small-scale channel parameters experienced by the third wireless signal The operation is a reception, or the operation is a transmission; the K is a positive integer.

As an embodiment, the foregoing method has the following advantages: the first resource unit set is used for normal DMRS transmission, the second resource unit set is assumed to be used for auxiliary DMRS transmission; when transmitting auxiliary DMRS, the base station may The power of the auxiliary DMRS and the power of the normal DMRS are set to different powers, thereby ensuring additional gain of channel estimation and demodulation brought about by the auxiliary DMRS.

As an embodiment, another advantage of the foregoing method is that the first resource unit set is used for normal DMRS transmission, and other user equipments other than the user equipment occupy the second resource unit set for assisting DMRS. When the user equipment shares the second resource unit set with the other user equipment, the base station may adjust the power of the second wireless signal for the user equipment, and ensure that the auxiliary DMRS of the other user equipment is not The transmission of the second wireless signal causes a large interference, thereby improving system performance.

According to an aspect of the present application, the above method is characterized in that the second wireless signal is a reference signal, {the small-scale channel parameter experienced by the first wireless signal, and the small experienced by the second wireless signal At least one of the scale channel parameters} is used to determine a small scale channel parameter experienced by the third wireless signal.

As an embodiment, the above method is characterized in that the second wireless signal is used for channel estimation and demodulation for the third wireless signal when the second wireless signal is used as a secondary DMRS.

According to an aspect of the present application, the method is characterized in that the transport channel corresponding to the second wireless signal is a shared channel, and the small-scale channel parameter experienced by the first wireless signal is used to determine the second The small-scale channel parameters experienced by the wireless signal and the small-scale channel parameters experienced by the third wireless signal.

As an embodiment, the above method is characterized in that: when the second wireless signal is used for data transmission, the first wireless signal is used for channel estimation of the second wireless signal and the third wireless signal demodulation.

According to an aspect of the present application, the above method is characterized by comprising:

- receiving the first information;

The first information is used to determine at least the first coefficient of the first coefficient, the first time-frequency resource, configuration information for the third wireless signal, the first coefficient and The second power is related to the ratio of the first power, and the configuration information includes at least one of a {modulation coding state, a new data indication, a redundancy version, and a hybrid automatic repeat request process number}.

As an embodiment, the above method has the advantages that the first coefficient is dynamically configured by designing the first information, thereby increasing flexibility of the second power configuration, and improving performance of the auxiliary DMRS and data transmission.

As an embodiment, the modulation and coding state is MCS (Modulation and Coding Status), the new data indication is NDI (New Data Indicator), the redundancy version is RV (Redundancy Version), and the hybrid automatic retransmission The request process number is the HARQ (Hybrid Automatic Repeat reQuest) process number.

- receiving the second information;

The second information is used to determine at least the former of {the transmission power of the second wireless signal is the second power, and the second wireless signal is a reference signal}.

As an embodiment, the foregoing method has the advantages of: designing the second information to indicate whether the second wireless signal is an auxiliary DMRS and whether the second wireless signal needs to refer to the first power to adjust transmit power, and further The flexibility of the design in this application is further increased.

According to an aspect of the present application, the method is characterized in that the first resource unit set and the second resource unit set all belong to the same type of the reference signal. Pattern (Pattern).

As an embodiment, the foregoing method has the following advantages: the auxiliary DMRS and the normal DMRS are shared by sharing the first resource unit set and the second resource unit set with the reference signal of the same configuration. The DMRS configuration reduces the signaling overhead specifically for the auxiliary DMRS configuration and improves system efficiency.

As an embodiment, the pattern of the reference signal that belongs to the same configuration of the first resource unit set and the second resource unit set refers to: the first resource unit set and the second resource unit set. The RE set that is commonly occupied in one time-frequency resource block described in this application belongs to the pattern of the reference signal of the same configuration.

As a sub-embodiment of this embodiment, the same configuration corresponds to the same number of antenna ports.

According to an aspect of the present application, the above method is characterized in that the second set of resource elements are reserved for user equipment other than the user equipment to operate the reference signal.

As an embodiment, the above method is characterized in that the second resource unit set is used for auxiliary DMRS transmission and data transmission, and the auxiliary DMRS and the data belong to different user equipments.

As an embodiment, the above method has the advantage that when the auxiliary DMRS is configured, the auxiliary DMRS does not exclusively share the second resource unit set, and the foregoing method improves spectrum efficiency and increases flexibility of the auxiliary DMRS.

According to an aspect of the present application, the method is characterized in that the third wireless signal adopts a first modulation and coding state, the second wireless signal adopts a second modulation and coding state, the first modulation and coding state, and the first The two modulation coding states are different.

As an embodiment, the foregoing method has the following advantages: when the second wireless signal is a data channel for the user equipment, a modulation coding state adopted by the second wireless signal and a used by the third wireless signal The modulation and coding states are different, and the anti-interference capability of the second wireless signal for the auxiliary DMRS is further increased to further improve overall performance.

The present application discloses a method in a base station used for wireless communication, which includes:

Performing a first wireless signal, a second wireless signal, and a third wireless signal, respectively, in the first time-frequency resource;

The first wireless signal, the second wireless signal, and the third wireless signal respectively occupy a first resource unit set, a second resource unit set, and a third resource unit set; and the first time-frequency resource is assumed Included in the reference signal transmitted by the K antenna ports, the set of resource units occupied by the reference signal transmitted by the K antenna ports in the first time-frequency resource includes all of the second resource unit set a resource unit; a transmit power of the first wireless signal and a transmit power of the third wireless signal is a first power, a transmit power of the second wireless signal is a second power, and the second power is to the first The ratio of a power is variable; the first wireless signal is a reference signal, and the small-scale channel parameters experienced by the first wireless signal can be used to infer small-scale channel parameters experienced by the third wireless signal The execution is a transmission, or the execution is a reception; the K is a positive integer.

-. Send the first message;

-. Send the second message;

According to an aspect of the present application, the method is characterized in that the first resource unit set and the second resource unit set all belong to the same type of the reference signal. kind.

According to an aspect of the application, the method is characterized in that the second resource unit set is reserved for a user equipment other than the first user equipment to operate the reference signal; the base station transmits the first wireless signal And the first user equipment belongs to a receiver of the first wireless signal; or the base station receives the first wireless signal, and the first user equipment is a sender of the first wireless signal.

According to an aspect of the present application, the above method is characterized in that the third wireless signal adopts a first modulation and coding state, and the second wireless signal adopts a second modulation and coding state, the first modulation and coding state. And the second modulation coding state is different.

The present application discloses a user equipment used for wireless communication, which includes:

The first transceiver module, respectively operating the first wireless signal, the second wireless signal, and the third wireless signal in the first time-frequency resource;

As an embodiment, the user equipment used for wireless communication is characterized in that the second wireless signal is a reference signal, {the small-scale channel parameter experienced by the first wireless signal, the second wireless At least one of the small-scale channel parameters experienced by the signal is used to determine the small-scale channel parameters experienced by the third wireless signal.

As an embodiment, the foregoing user equipment used for wireless communication is characterized in that the transport channel corresponding to the second wireless signal is a shared channel, and the small-scale channel parameter experienced by the first wireless signal is used. Determining small-scale channel parameters experienced by the second wireless signal and small-scale channel parameters experienced by the third wireless signal.

As an embodiment, the above user equipment used for wireless communication is characterized in that the user equipment comprises a first receiver module, the first receiver module receives first information; the first information is used for determining At least the first coefficient of the first coefficient, the first time-frequency resource, configuration information for the third wireless signal, the first coefficient, and the second power to the first power The ratio is related to the ratio, and the configuration information includes at least one of {modulation coding state, new data indication, redundancy version, hybrid automatic repeat request process number}.

As an embodiment, the above user equipment used for wireless communication is characterized in that the user equipment comprises a first receiver module, the first receiver module receives second information; the second information is used for determining {The transmission power of the second wireless signal is the second power, and the second wireless signal is at least the former of the reference signal}.

As an embodiment, the foregoing user equipment used for wireless communication is characterized in that the first resource unit set and the second resource unit set all belong to a pattern of the reference signal of the same configuration.

As an embodiment, the foregoing user equipment used for wireless communication is characterized in that the second resource unit set is reserved for user equipment other than the user equipment to operate the reference signal.

As an embodiment, the foregoing user equipment used for wireless communication is characterized in that the third wireless signal adopts a first modulation and coding state, and the second wireless signal adopts a second modulation and coding state, the first modulation and coding. The state and the second modulation coding state are different.

The present application discloses a base station device used for wireless communication, which includes:

- a second transceiver module, respectively performing a first wireless signal, a second wireless signal, and a third wireless signal in the first time-frequency resource;

The first wireless signal, the second wireless signal, and the third wireless signal respectively occupy a first resource unit set, a second resource unit set, and a third resource unit set; and the first time-frequency resource is assumed Included in the reference signal transmitted by the K antenna ports, the set of resource units occupied by the reference signal transmitted by the K antenna ports in the first time-frequency resource includes all of the second resource unit set a resource unit; a transmit power of the first wireless signal and a transmit power of the third wireless signal is a first power, a transmit power of the second wireless signal is a second power, and the second power is to the first The ratio of one power is Variable; the first wireless signal is a reference signal, and the small-scale channel parameters experienced by the first wireless signal can be used to infer small-scale channel parameters experienced by the third wireless signal; Send, or, the execution is a reception; the K is a positive integer.

As an embodiment, the base station device used for wireless communication is characterized in that the second wireless signal is a reference signal, {the small-scale channel parameter experienced by the first wireless signal, the second wireless At least one of the small-scale channel parameters experienced by the signal is used to determine the small-scale channel parameters experienced by the third wireless signal.

As an embodiment, the base station device used for wireless communication is characterized in that: the transport channel corresponding to the second wireless signal is a shared channel, and the small-scale channel parameter experienced by the first wireless signal is used. Determining small-scale channel parameters experienced by the second wireless signal and small-scale channel parameters experienced by the third wireless signal.

As an embodiment, the base station device used for wireless communication is characterized in that the base station device includes a first transmitter module, and the first transmitter module transmits first information; the first information is used to determine At least the first coefficient of the first coefficient, the first time-frequency resource, configuration information for the third wireless signal, the first coefficient, and the second power to the first power The ratio is related to the ratio, and the configuration information includes at least one of {modulation coding state, new data indication, redundancy version, hybrid automatic repeat request process number}.

As an embodiment, the base station device used for wireless communication is characterized in that the base station device includes a first transmitter module, the first transmitter module transmits second information; and the second information is used to determine {The transmission power of the second wireless signal is the second power, and the second wireless signal is at least the former of the reference signal}.

As an embodiment, the foregoing base station device used for wireless communication is characterized in that the first resource unit set and the second resource unit set all belong to a pattern of the reference signal of the same configuration.

As an embodiment, the base station device used for wireless communication is characterized in that the second resource unit set is reserved for a user equipment other than the first user equipment to operate the reference signal; Decoding a first wireless signal, the first user equipment belongs to a receiver of the first wireless signal; or the base station receives the first wireless signal, the first user equipment is a sending of the first wireless signal By.

As an embodiment, the above-described base station apparatus used for wireless communication is characterized in that The third wireless signal adopts a first modulation and coding state, and the second wireless signal adopts a second modulation and coding state, and the first modulation and coding states and the second modulation and coding state are different.

As an embodiment, the present application has the following advantages compared with the conventional solution:

- designing the ratio of the second power to the first power is variable; the first set of resource elements is used for transmission of normal DMRS, and the second set of resource elements is assumed to be used for assisting DMRS Transmission; when transmitting the auxiliary DMRS, the base station can set the power of the auxiliary DMRS and the power of the normal DMRS to different powers, thereby ensuring additional gain of channel estimation and demodulation brought by the auxiliary DMRS.

When the first resource element set is used for normal DMRS transmission, other user equipments other than the user equipment occupy the second resource unit set for assisting transmission of the DMRS; when the user equipment and the When the other user equipment shares the second resource unit set, the base station may adjust the power of the second wireless signal for the user equipment to ensure that the auxiliary DMRS of the other user equipment does not Transmission causes large interference, which in turn improves system performance.

- dynamically configuring the first coefficient by designing the first information, thereby increasing the flexibility of the second power configuration, improving performance of the auxiliary DMRS and data transmission.

- further enhancing the flexibility of the design in the present application by designing the second information to indicate whether the second wireless signal is a secondary DMRS and whether the second wireless signal needs to refer to the first power to adjust transmit power Sex.

DRAWINGS

Other features, objects, and advantages of the present application will become more apparent from the detailed description of the accompanying drawings.

1 shows a flow chart of a first wireless signal, a second wireless signal, and a third wireless signal in accordance with an embodiment of the present application;

2 shows a schematic diagram of a network architecture in accordance with one embodiment of the present application;

3 shows a schematic diagram of an embodiment of a radio protocol architecture of a user plane and a control plane in accordance with one embodiment of the present application;

FIG. 4 shows a schematic diagram of an evolved node and a UE according to an embodiment of the present application; FIG.

FIG. 5 illustrates a flow chart of transmitting first information according to an embodiment of the present application;

FIG. 6 shows a flow chart of transmitting first information according to another embodiment of the present application; FIG.

FIG. 7 is a schematic diagram showing a first resource unit set, a second resource unit set, and a third resource unit set according to an embodiment of the present application;

8A to 8H are respectively schematic diagrams showing a set of resource elements occupied by reference signals transmitted by K antenna ports, according to an embodiment of the present application;

FIG. 9 is a block diagram showing the structure of a processing device for use in a user equipment according to an embodiment of the present application;

FIG. 10 shows a block diagram of a structure for a processing device in a base station according to an embodiment of the present application.

Detailed ways

The technical solutions of the present application are further described in detail below with reference to the accompanying drawings. It should be noted that the features in the embodiments and the embodiments of the present application may be combined with each other without conflict.

Example 1

Embodiment 1 illustrates a flowchart of a first wireless signal, a second wireless signal, and a third wireless signal, as shown in FIG.

In the first embodiment, the user equipment in the application operates the first wireless signal, the second wireless signal, and the third wireless signal respectively in the first time-frequency resource; the first wireless signal, the second wireless The signal and the third wireless signal respectively occupy a first resource unit set, a second resource unit set, and a third resource unit set; and assuming that the first time-frequency resource includes a reference signal sent by the K antenna ports, The set of resource units occupied by the reference signal transmitted by the K antenna ports in the first time-frequency resource includes all resource units in the second resource unit set; the transmit power and the location of the first wireless signal The transmission power of the third wireless signal is the first power, the transmission power of the second wireless signal is the second power, and the ratio of the second power to the first power is variable; the first wireless The signal is a reference signal, and the small-scale channel parameters experienced by the first wireless signal can be used to infer small-scale channel parameters experienced by the third wireless signal; the operation is reception, Who is the transmitting operation; K is a positive integer.

As a sub-embodiment, the first resource unit set, the second resource unit set, and the third unit set are orthogonally orthogonal.

As a sub-embodiment, the reference signal transmitted by the K antenna ports is in the A set of resource units occupied in a time-frequency resource includes all resource units in the first resource unit set.

As a sub-embodiment, the small-scale channel parameter includes a CIR (Channel Impulse Response).

As a sub-embodiment, the small-scale channel parameters experienced by the first wireless signal and the small-scale channel parameters experienced by the second wireless signal are correlated.

As a sub-embodiment, the small-scale channel parameters experienced by the first wireless signal and the small-scale channel parameters experienced by the third wireless signal are correlated.

As a sub-embodiment, the transmit antenna port of the first wireless signal and the transmit antenna port of the second wireless signal are identical except for transmit power.

As a sub-embodiment, the transmit antenna port of the first wireless signal and the transmit antenna port of the second wireless signal share the same beamforming vector.

As a sub-embodiment, regardless of the time-varying characteristics and frequency selection characteristics of the wireless channel, the small-scale channel parameters experienced by the first wireless signal and the small-scale channel parameters experienced by the second wireless signal are the same.

As a sub-embodiment, the first time-frequency resource occupies a positive integer number of time-frequency resource blocks.

As a subsidiary embodiment of the sub-embodiment, the time-frequency resource block occupies 12 consecutive sub-carriers in the frequency domain, occupying a given time window in the time domain, and the duration of the given time window in the time domain is { One of one slot (Slot), one subframe (Subframe), M multi-carrier symbols}; the M is a positive integer.

As an example of this subsidiary embodiment, the M is equal to one of {6, 7, 12, 14}.

As a sub-embodiment, the number of resource units occupied by the reference signal transmitted by the K antenna ports in the first time-frequency resource is related to the K.

As a sub-embodiment, the reference signal transmitted by the K antenna ports is related to the K of the resource unit occupied by the time-frequency resource block in the present application.

As a sub-embodiment, the operation is receiving, and the first wireless signal is a downlink DMRS.

As a sub-embodiment, the operation is transmission, and the first wireless signal is an uplink DMRS.

As a sub-embodiment, the reference signals transmitted by the K antenna ports are used for data. Channel estimation and demodulation.

As a sub-embodiment, the reference signal transmitted by the K antenna ports is a demodulation reference signal.

As a sub-embodiment, the resource unit in this application is an RE (Resource Element).

As a sub-embodiment, the resource unit in the present application occupies one subcarrier in the frequency domain and occupies one multicarrier symbol in the time domain.

As a sub-embodiment, the multi-carrier symbol in the present application is {OFDM (Orthogonal Frequency Division Multiplexing) symbol, SC-FDMA (Single-Carrier Frequency Division Multiple Access). FBMC (Filter Bank Multi Carrier) symbol, OFDM symbol including CP (Cyclic Prefix), DFT-s-OFDM including CP (Discrete Fourier Transform Spreading Orthogonal Frequency Division) Multiplexing, one of the symbols of the Orthogonal Frequency Division Multiplexing of Discrete Fourier Transform Spread Spectrum.

As a sub-embodiment, the ratio of the second power to the first power is variable, that is, the ratio of the second power to the first power is configured by high layer signaling. .

As a sub-embodiment, the ratio of the second power to the first power is variable, that is, the ratio of the second power to the first power is configured by physical layer signaling. of.

Example 2

Embodiment 2 illustrates a schematic diagram of a network architecture, as shown in FIG.

Embodiment 2 illustrates a schematic diagram of a network architecture in accordance with the present application, as shown in FIG. 2 is a diagram illustrating an NR 5G, LTE (Long-Term Evolution, Long Term Evolution) and LTE-A (Long-Term Evolution Advanced) system network architecture 200. The NR 5G or LTE network architecture 200 may be referred to as an EPS (Evolved Packet System) 200 in some other suitable terminology. The EPS 200 may include one or more UEs (User Equipment) 201, NG-RAN (Next Generation Radio Access Network) 202, EPC (Evolved Packet Core)/5G-CN (5G-Core Network) , 5G core network) 210, HSS (Home Subscriber Server, Home Subscriber Server) 220 and Internet service 230. EPS can be interconnected with other access networks, but these entities/interfaces are not shown for simplicity. As shown, the EPS provides packet switching services, although those skilled in the art will readily appreciate that the various concepts presented throughout this application can be extended to networks or other cellular networks that provide circuit switched services. The NG-RAN includes an NR Node B (gNB) 203 and other gNBs 204. The gNB 203 provides user and control plane protocol termination for the UE 201. The gNB 203 can be connected to other gNBs 204 via an Xn interface (eg, a backhaul). The gNB 203 may also be referred to as a base station, base transceiver station, radio base station, radio transceiver, transceiver function, basic service set (BSS), extended service set (ESS), TRP (transmission and reception point), or some other suitable terminology. The gNB 203 provides the UE 201 with an access point to the EPC/5G-CN 210. Examples of UEs 201 include cellular telephones, smart phones, Session Initiation Protocol (SIP) phones, laptop computers, personal digital assistants (PDAs), satellite radios, global positioning systems, multimedia devices, video devices, digital audio players ( For example, an MP3 player), a camera, a game console, a drone, an aircraft, a narrowband physical network device, a machine type communication device, a land vehicle, a car, a wearable device, or any other similar functional device. A person skilled in the art may also refer to UE 201 as a mobile station, a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal, Mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client or some other suitable term. The gNB203 is connected to the EPC/5G-CN210 through the S1/NG interface. EPC/5G-CN210 includes MME/AMF/UPF 211, other MME (Mobility Management Entity)/AMF (Authentication Management Field)/UPF (User Plane Function) 214, S-GW (Service Gateway) 212 and P-GW (Packet Date Network Gateway) 213. The MME/AMF/UPF 211 is a control node that handles signaling between the UE 201 and the EPC/5G-CN 210. In general, MME/AMF/UPF 211 provides bearer and connection management. All User IP (Internet Protocol) packets are transmitted through the S-GW 212, and the S-GW 212 itself is connected to the P-GW 213. The P-GW 213 provides UE IP address allocation as well as other functions. The P-GW 213 is connected to the Internet service 230. The Internet service 230 includes an operator-compatible Internet Protocol service, and may specifically include the Internet, an intranet, an IMS (IP Multimedia Subsystem), and a PS Streaming Service (PSS).

As a sub-embodiment, the UE 201 corresponds to the user equipment in this application.

As a sub-embodiment, the gNB 203 corresponds to the base station in the present application.

As a sub-embodiment, the UE 201 supports high speed mobility.

As a sub-embodiment, the UE 201 supports high frequency communication.

As a sub-embodiment, the gNB 203 supports providing services for high speed mobile user equipment.

As a sub-embodiment, the gNB 203 supports high frequency communication.

Example 3

Embodiment 3 shows a schematic diagram of an embodiment of a radio protocol architecture of a user plane and a control plane in accordance with the present application, as shown in FIG.

3 is a schematic diagram illustrating an embodiment of a radio protocol architecture for a user plane and a control plane, and FIG. 3 shows a radio protocol architecture for user equipment (UE) and base station equipment (gNB or eNB) in three layers: layer 1, layer 2 and layer 3. Layer 1 (L1 layer) is the lowest layer and implements various PHY (physical layer) signal processing functions. The L1 layer will be referred to herein as PHY 301. Layer 2 (L2 layer) 305 is above PHY 301 and is responsible for the link between the UE and the gNB through PHY 301. In the user plane, the L2 layer 305 includes a MAC (Medium Access Control) sublayer 302, an RLC (Radio Link Control) sublayer 303, and a PDCP (Packet Data Convergence Protocol). Convergence Protocol) Sublayer 304, which terminates at the gNB on the network side. Although not illustrated, the UE may have several upper layers above the L2 layer 305, including a network layer (eg, an IP layer) terminated at the P-GW on the network side and terminated at the other end of the connection (eg, Application layer at the remote UE, server, etc.). The PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels. The PDCP sublayer 304 also provides header compression for upper layer data packets to reduce radio transmission overhead, provides security by encrypting data packets, and provides handoff support for UEs between gNBs. The RLC sublayer 303 provides segmentation and reassembly of upper layer data packets, retransmission of lost data packets, and reordering of data packets to compensate for out-of-order reception due to HARQ. The MAC sublayer 302 provides multiplexing between the logical and transport channels. The MAC sublayer 302 is also responsible for allocating various radio resources (e.g., resource blocks) in one cell between UEs. The MAC sublayer 302 is also responsible for HARQ operations. In the control plane, the radio protocol architecture for the UE and gNB is substantially the same for the physical layer 301 and the L2 layer 305, but there is no header compression function for the control plane. The control plane also includes an RRC (Radio Resource Control) sublayer 306 in Layer 3 (L3 layer). The RRC sublayer 306 is responsible for obtaining radio resources (ie, radio bearers) and configuring the lower layer using RRC signaling between the gNB and the UE.

As a sub-embodiment, the radio protocol architecture of Figure 3 is applicable to the user equipment in this application.

As a sub-embodiment, the radio protocol architecture of Figure 3 is applicable to the base station in this application.

As a sub-embodiment, the first information in the present application is generated by the PHY 301.

As a sub-embodiment, the first information in the present application is generated in the MAC sub-layer 302.

As a sub-embodiment, the second information in the present application is generated by the PHY 301.

As a sub-embodiment, the second information in the present application is generated in the MAC sub-layer 302.

As a sub-embodiment, the second information in this application is generated in the RRC sublayer 306.

Example 4

Embodiment 4 shows a schematic diagram of a base station device and a given user equipment according to the present application, as shown in FIG. 4 is a block diagram of a gNB 410 in communication with a UE 450 in an access network.

The base station device (410) includes a controller/processor 440, a memory 430, a receive processor 412, a transmit processor 415, a dispatch processor 471, a transmitter/receiver 416, and an antenna 420.

The user equipment (UE 450) includes a controller/processor 490, a memory 480, a data source 467, a transmit processor 455, a receive processor 452, a dispatch processor 441, a transmitter/receiver 456, and an antenna 460.

In the downlink transmission, the processing related to the base station device (410) includes:

The upper layer packet arrives at the controller/processor 440, which provides header compression, encryption, packet segmentation and reordering, and multiplexing demultiplexing between the logical and transport channels for implementation L2 layer protocol of the user plane and the control plane; the upper layer packet may include data or control information, such as DL-SCH (Downlink Shared Channel);

a controller/processor 440 associated with a memory 430 storing program code and data, which may be a computer readable medium;

a controller/processor 440 comprising a scheduling unit for transmitting a demand, the scheduling unit for scheduling air interface resources corresponding to the transmission requirements;

a scheduling processor 471, determining the first information and determining the first power and the second power based on the first information, determining the second information; and transmitting the result to the controller/processor 440;

- Transmit processor 415 receives the output bit stream of controller/processor 440, implementing various signal transmission processing functions for the L1 layer (ie, the physical layer) including encoding, interleaving, scrambling, modulation, power control/allocation, and physics Layer control signaling (including PBCH, PDCCH, PHICH, PCFICH, reference signal) generation, etc.;

Transmitter 416 is operative to convert the baseband signals provided by transmit processor 415 into radio frequency signals and transmit them via antenna 420; each transmitter 416 samples the respective input symbol streams to obtain a respective sampled signal stream. Each transmitter 416 performs further processing (eg, digital to analog conversion, amplification, filtering, upconversion, etc.) on the respective sample streams to obtain a downlink signal.

In the downlink transmission, the processing related to the user equipment (UE450) may include:

Receiver 456 for converting the radio frequency signal received through the antenna 460 into a baseband signal is provided to the receiving processor 452;

The receiving processor 452 implements various signal receiving processing functions for the L1 layer (ie, the physical layer) including decoding, deinterleaving, descrambling, demodulation, and physical layer control signaling extraction, and the like;

- scheduling processor 441, determining the first information and determining the first power and the second power based on the first information, determining the second information; and transmitting the result to the controller / processor 490;

- The controller/processor 490 receives the bit stream output by the receive processor 452, provides header decompression, decryption, packet segmentation and reordering, and multiplexing demultiplexing between the logical and transport channels for implementation L2 layer protocol for user plane and control plane;

The controller/processor 490 is associated with a memory 480 that stores program codes and data. Memory 480 can be a computer readable medium.

In the uplink transmission, the processing related to the user equipment (UE450) may include:

Data source 467 provides an upper layer packet to controller/processor 490, which provides header compression, encryption, packet segmentation and reordering, and multiplexing demultiplexing between the logical and transport channels, Implementing an L2 layer protocol for the user plane and the control plane; the upper layer packet includes data or control information;

The controller/processor 490 is associated with a memory 480 that stores program codes and data. The memory 480 can be a computer readable medium;

The transmit processor 455 receives the output bit stream of the controller/processor 490, implementing various signal transmission processing functions for the L1 layer (ie, the physical layer) including coding, interleaving, scrambling, modulation, and power. Rate control/allocation and physical layer control signaling generation, etc.;

Transmitter 456 is operative to convert the baseband signals provided by transmit processor 455 into radio frequency signals and transmit them via antenna 460; each transmitter 456 samples the respective input symbol streams to obtain a respective sampled signal stream. Each transmitter 456 performs further processing (such as digital-to-analog conversion, amplification, filtering, up-conversion, etc.) on the respective sample streams to obtain an uplink signal.

In the uplink transmission, the processing related to the base station device (410) may include:

Receiver 416 is configured to convert the radio frequency signal received through the antenna 420 into a baseband signal and provide it to the receiving processor 412;

The receiving processor 412 implements various signal receiving processing functions for the L1 layer (ie, the physical layer) including decoding, deinterleaving, descrambling, demodulation, and physical layer control signaling extraction, and the like;

The controller/processor 440 receives the bit stream output by the receive processor 412, provides header decompression, decryption, packet segmentation and reordering, and multiplexing demultiplexing between the logical and transport channels for implementation. L2 layer protocol for user plane and control plane;

The controller/processor 440 can be associated with a memory 430 that stores program codes and data. Memory 430 can be a computer readable medium.

As a sub-embodiment, the UE 450 apparatus includes: at least one processor and at least one memory, the at least one memory including computer program code; the at least one memory and the computer program code are configured to be Using the processor together, the UE 450 device at least: operating the first wireless signal, the second wireless signal, and the third wireless signal respectively in the first time-frequency resource; the first wireless signal, the second wireless signal, and the The third wireless signal respectively occupies the first resource unit set, the second resource unit set, and the third resource unit set; and the first time-frequency resource includes a reference signal sent by the K antenna ports, where the K The set of resource units occupied by the reference signal transmitted by the antenna port in the first time-frequency resource includes all resource units in the second resource unit set; the transmit power of the first wireless signal and the third The transmission power of the wireless signal is the first power, the transmission power of the second wireless signal is the second power, and the second power The ratio of the first power is variable; the first wireless signal is a reference signal, and the small-scale channel parameters experienced by the first wireless signal can be used to infer that the third wireless signal is experienced Scale channel parameters; the operation is to receive, or the operation is to send; the K is a positive integer.

As a sub-embodiment, the UE 450 includes: a memory storing a computer readable instruction program, the computer readable instruction program generating an action when executed by at least one processor, the action comprising: at a first time frequency The first wireless signal, the second wireless signal, and the third wireless signal are respectively operated in the resource; the first wireless signal, the second wireless signal, and the third wireless signal respectively occupy the first resource unit set and the second resource a unit set and a third resource unit set; assuming that the first time-frequency resource includes a reference signal sent by the K antenna ports, where the reference signal sent by the K antenna ports is in the first time-frequency resource The set of occupied resource units includes all resource units in the second resource unit set; the transmit power of the first wireless signal and the transmit power of the third wireless signal are first power, and the second wireless signal The transmit power is a second power, and the ratio of the second power to the first power is variable; the first wireless signal is a reference signal, the first The small-scale channel parameters experienced by a wireless signal can be used to infer small-scale channel parameters experienced by the third wireless signal; the operation is reception, or the operation is transmission; the K is a positive integer.

As a sub-embodiment, the gNB 410 apparatus includes: at least one processor and at least one memory, the at least one memory including computer program code; the at least one memory and the computer program code are configured to be The processor is used together. The gNB410 device at least: performing a first wireless signal, a second wireless signal, and a third wireless signal in the first time-frequency resource; the first wireless signal, the second wireless signal, and the third wireless signal Separating the first resource unit set, the second resource unit set, and the third resource unit set respectively; assuming that the first time-frequency resource includes a reference signal sent by the K antenna ports, where the reference is sent by the K antenna ports The set of resource units occupied by the signal in the first time-frequency resource includes all resource units in the second resource unit set; the transmit power of the first wireless signal and the transmit power of the third wireless signal Is a first power, a transmit power of the second wireless signal is a second power, and a ratio of the second power to the first power is variable; the first wireless signal is a reference signal, the first The small-scale channel parameters experienced by a wireless signal can be used to infer small-scale channel parameters experienced by the third wireless signal; the execution is a transmission, or the execution is Yield; K is a positive integer.

As a sub-embodiment, the gNB 410 includes: a memory storing a computer readable instruction program, the computer readable instruction program generating an action when executed by at least one processor, the action comprising: at a first time frequency Performing a first wireless signal, a second wireless signal, and a third wireless signal, respectively, in the resource; the first wireless signal, the second wireless signal, and the third wireless The signals respectively occupy the first resource unit set, the second resource unit set, and the third resource unit set; and the first time-frequency resource includes a reference signal sent by the K antenna ports, where the signal is sent by the K antenna ports. The set of resource units occupied by the reference signal in the first time-frequency resource includes all resource units in the second resource unit set; the transmit power of the first wireless signal and the sending of the third wireless signal The power is the first power, the transmit power of the second wireless signal is the second power, and the ratio of the second power to the first power is variable; the first wireless signal is a reference signal, The small-scale channel parameters experienced by the first wireless signal can be used to infer small-scale channel parameters experienced by the third wireless signal; the execution is transmission, or the execution is reception; the K is a positive integer.

As a sub-embodiment, the UE 450 corresponds to the user equipment in this application.

As a sub-embodiment, gNB 410 corresponds to the base station in this application.

As a sub-embodiment, at least two of the receiver 456, the receive processor 452, and the controller/processor 490 are configured to receive the first wireless signal, the second wireless signal, and the first in the first time-frequency resource, respectively. Three wireless signals.

As a sub-embodiment, at least two of the transmitter 456, the transmit processor 455, and the controller/processor 490 are configured to transmit the first wireless signal, the second wireless signal, and the first in the first time-frequency resource, respectively. Three wireless signals.

As a sub-embodiment, at least two of the receiver 456, the receiving processor 452, and the controller/processor 490 are used to receive at least one of {first information, second information}.

As a sub-embodiment, the scheduling processor 441 is configured to determine the first information, and determine a ratio of the second power to the first power according to the first information.

As a sub-embodiment, the scheduling processor 441 is configured to determine at least one of {the second power, the first power}.

As a sub-embodiment, the scheduling processor 441 is configured to determine the second information, and determine, according to the second information, that the sending power of the second wireless signal is the second power, where The second wireless signal is at least the former of the reference signal}.

As a sub-embodiment, at least two of the transmitter 416, the transmit processor 415, and the controller/processor 440 are configured to transmit the first wireless signal, the second wireless signal, and the first in the first time-frequency resource, respectively. Three wireless signals.

As a sub-embodiment, at least two of the receiver 416, the receive processor 412, and the controller/processor 440 are configured to receive the first wireless signal, respectively, in the first time-frequency resource. Two wireless signals and a third wireless signal.

As a sub-embodiment, at least two of the transmitter 416, the transmit processor 415, and the controller/processor 440 are used to transmit at least one of {first information, second information}.

As a sub-embodiment, the scheduling processor 471 is configured to determine the first information, and determine a ratio of the second power to the first power according to the first information.

As a sub-embodiment, the scheduling processor 471 is used to determine at least one of {the second power, the first power}.

As a sub-embodiment, the scheduling processor 471 is configured to determine the second information, and determine, according to the second information, that {the transmission power of the second wireless signal is the second power, the first The second wireless signal is at least the former of the reference signal}.

Example 5

Embodiment 5 exemplifies a flow chart for transmitting the first information, as shown in FIG. In FIG. 5, base station N1 is a serving cell maintenance base station of user equipment U2.

For the base station N1 , the second information is transmitted in step S10, the first information is transmitted in step S11, and the first wireless signal, the second wireless signal, and the third wireless signal are respectively transmitted in the first time-frequency resource in step S12.

For the user equipment U2 , the second information is received in step S20, the first information is received in step S21, and the first wireless signal, the second wireless signal, and the third wireless signal are respectively received in the first time-frequency resource in step S22. .

In Embodiment 5, the first wireless signal, the second wireless signal, and the third wireless signal respectively occupy a first resource unit set, a second resource unit set, and a third resource unit set; The first time resource includes a reference signal sent by the K antenna ports, and the set of resource units occupied by the reference signal transmitted by the K antenna ports in the first time-frequency resource includes the second resource unit All the resource units in the set; the transmit power of the first wireless signal and the transmit power of the third wireless signal are the first power, and the transmit power of the second wireless signal is the second power, the second power The ratio to the first power is variable; the first wireless signal is a reference signal, and the small-scale channel parameters experienced by the first wireless signal can be used to infer that the third wireless signal is experienced a small-scale channel parameter; the K is a positive integer; the second wireless signal is a reference signal, {the small-scale channel parameter experienced by the first wireless signal, the second wireless signal Small scale channel experienced at least one parameter} is used to determine the third wireless signal experienced by a small-scale channel parameter; or a transmission channel corresponding to the second wireless signal is a shared channel, and the small-scale channel parameter experienced by the first wireless signal is used to determine a small scale experienced by the second wireless signal a channel parameter and a small-scale channel parameter experienced by the third wireless signal; the first information is used to determine {a first coefficient, the first time-frequency resource, configuration information for the third wireless signal} At least the first coefficient, the first coefficient, and the ratio of the second power to the first power, the configuration information including {modulation coding state, new data indication, redundancy version, At least one of a hybrid automatic repeat request process number}; the second information is used to determine {the transmit power of the second wireless signal is the second power, and the second wireless signal is a reference signal} At least the former; the first resource unit set and the second resource unit set all belong to a pattern of the reference signal of the same configuration, or the second resource unit set is reserved for the The user equipment other than the user equipment U2 operates the reference signal; the transmission channel corresponding to the second wireless signal is a shared channel, the third wireless signal adopts a first modulation and coding state, and the second wireless signal adopts a second A modulation coding state, the first modulation coding state and the second modulation coding state being different.

As a sub-embodiment, the set of resource units occupied by the reference signal transmitted by the K antenna ports in the first time-frequency resource is used by all resource units in the first resource unit set and the first All resource units in a set of two resource units are composed.

As a sub-embodiment, the location of all the resource units in the first resource unit set and all the resource units in the second resource unit set in the time-frequency resource block in this application corresponds to the reference signal. The pattern when the K antenna ports are included.

As a sub-embodiment, the second wireless signal is a secondary DMRS.

As a sub-embodiment, the first wireless signal is a Front Loaded DMRS.

As a sub-embodiment, the second wireless signal and the first wireless signal belong to the same type of reference signal.

As a subsidiary embodiment of this sub-embodiment, the same type of reference signal is used for channel estimation and demodulation of data.

As a sub-embodiment, the second wireless signal and the first wireless signal correspond to a reference channel of the same configuration.

As a sub-embodiment, the small-scale channel parameters experienced by the first wireless signal and the small-scale channel parameters experienced by the third wireless signal are related.

As a sub-embodiment, the small-scale channel parameters experienced by the second wireless signal and the small-scale channel parameters experienced by the third wireless signal are related.

As a sub-embodiment, the small-scale channel parameters experienced by the first wireless signal and the small-scale channel parameters experienced by the second wireless signal are related.

As a sub-embodiment, the transmit antenna port of the first wireless signal and the transmit antenna port of the third wireless signal are the same.

As a sub-embodiment, the transmit antenna port of the second wireless signal is the same as the transmit antenna port of the third wireless signal.

As a sub-embodiment, the transmit antenna port of the first wireless signal and the transmit antenna port of the second wireless signal are the same.

As a sub-embodiment, the transmit antenna port of the first wireless signal and the transmit antenna port of the third wireless signal share the same beamforming vector.

As a sub-embodiment, the transmit antenna port of the second wireless signal and the transmit antenna port of the third wireless signal share the same beamforming vector.

As a sub-embodiment, the time-varying characteristics and frequency selection characteristics of the wireless channel are not considered, the small-scale channel parameters experienced by the first wireless signal and the small-scale channel parameters experienced by the third wireless signal Are the same.

As a sub-embodiment, the time-varying characteristics and frequency selection characteristics of the wireless channel are not considered, the small-scale channel parameters experienced by the second wireless signal and the small-scale channel parameters experienced by the third wireless signal Are the same.

As a sub-embodiment, the time-varying characteristics and frequency selection characteristics of the wireless channel are not considered, the small-scale channel parameters experienced by the first wireless signal and the small-scale channel parameters experienced by the second wireless signal Are the same.

As a sub-embodiment, the shared channel is a DL-SCH (Downlink Shared Channel).

As a sub-embodiment, the transport channel corresponding to the second radio signal is a shared channel, where the physical layer channel corresponding to the second radio signal is a {PDSCH (Physical Downlink Shared Channel). SPDSCH (Short Latency PDSCH, short delay physical downlink shared channel), NR-PDSCH (New RAT PDSCH, new wireless) One of the access technologies physical downlink shared channel).

As a sub-embodiment, the location of all the resource elements in the first resource unit set in the time-frequency resource block in the present application corresponds to a pattern when the reference signal includes the K antenna ports. The reference signal is DMRS.

As a sub-embodiment, the first coefficient indicates the ratio of the second power to the first power.

As a sub-embodiment, the first power and the first coefficient are used together to determine the second power.

As a sub-embodiment, the unit of the first power is dBm (millimeters), the unit of the second power is dBm, and the unit of the first coefficient is dB (decibel).

As a sub-embodiment, the first information is used to determine the second set of resource elements.

As a sub-embodiment, the first information belongs to one DCI (Downlink Control Information).

As a sub-embodiment, the first information belongs to one sDCI (Short-Latency DCI, short delay downlink control information).

As a sub-embodiment, the first information is transmitted on a physical layer control channel (ie, a physical layer channel that can only be used to transmit physical layer control information).

As an embodiment of the sub-instance, the physical layer control channel is a PDCCH (Physical Downlink Control Channel).

As an embodiment of the sub-embodiment, the physical layer control channel is a sPDCCH (Short Latency-PDCCH).

As a sub-embodiment, the first information belongs to one physical layer signaling.

As a sub-embodiment, the first information is dynamic.

As a sub-embodiment, the first power is equal to P1, the first coefficient is equal to S, and the second power is equal to P1+S; wherein the unit of P1 is dBm, and the unit of S is dB, Both P1 and S are real numbers.

As a sub-embodiment, the second wireless signal is a reference signal, the first coefficient belongs to a first coefficient set; a transmission channel of the second wireless signal belongs to a shared channel, and the first coefficient belongs to a second coefficient set. The first set of coefficients and the second set of coefficients are different; the first set of coefficients and the second set of coefficients each comprise a positive integer number of real numbers.

As an auxiliary embodiment of the sub-embodiment, the first coefficient set and the second coefficient set are different: the first coefficient set includes at least one target coefficient, and the target coefficient does not belong to the The second set of coefficients is included; or the second set of coefficients includes at least one target coefficient, the target coefficient not belonging to the first set of coefficients.

As a sub-embodiment, the first information and the second information belong to the same DCI.

As a sub-embodiment, the second information is semi-statically configured.

As a sub-embodiment, the second information is high layer signaling.

As an embodiment of the sub-embodiment, the high layer signaling is RRC (Radio Resource Control) signaling.

As a subsidiary embodiment of the sub-embodiment, the high layer signaling is MAC (Media/Medium Access Control) signaling.

As a sub-embodiment, the second information includes 2 bits, wherein:

The 2 bits are equal to "00", the second wireless signal is a data channel and the transmit power of the second wireless signal is the first power;

The 2 bits are equal to "01", the second wireless signal is a data channel and the transmit power of the second wireless signal is the second power;

The 2 bits are equal to "10", the second wireless signal is a reference signal and the transmission power of the second wireless signal is the first power;

The 2 bits are equal to "11", the second wireless signal is a reference signal and the transmission power of the second wireless signal is the second power;

As a sub-embodiment, the pattern of the reference signal refers to a position of an RE occupied by the reference signal in a time-frequency resource block described in the present application in a given configuration; the reference signal It is DMRS.

As a subsidiary embodiment of this sub-embodiment, the reference signal occupies K antenna port groups, the K is a positive integer, and the given configuration includes {the K, the index of the K antenna port groups} At least one of them.

As a sub-invention, the target user equipment is a user equipment other than the user equipment U2, and the user equipment U2 and the target user equipment both occupy the second resource unit set, and the user equipment U2 is in the Receiving, by the second resource unit, the second wireless signal, the target user equipment receiving a target wireless signal on the second resource unit set; the transport channel corresponding to the second wireless signal is a shared channel, the target Wireless signal is Reference signal.

As a sub-embodiment, the first modulation and coding state is the modulation and coding state in the configuration information.

As a sub-embodiment, the first modulation coding state and the second modulation coding state are related.

As an embodiment of the sub-embodiment, the index of the first modulation and coding state in the candidate modulation and coding state group is L1, and the index of the first modulation and coding state in the candidate modulation and coding state group is L2. Both L1 and L2 are integers, and the L1 is equal to the sum of the L2 and L_Offset, and the L_Offset is an integer.

As an example of this subsidiary embodiment, the L2 is greater than (L1-Q1) and not greater than (L1+Q1); the Q1 is a positive integer.

As an example of this subsidiary embodiment, the L2 is greater than (L1-Q2) and not greater than L1; the Q2 is a positive integer.

As an example of this subsidiary embodiment, the L2 is not less than L1 and less than (L1+Q3); the Q3 is a positive integer.

As an example of this subsidiary embodiment, the L_Offset is dynamically indicated.

As an example of this subsidiary embodiment, the first information is used to determine the L_Offset.

As an example of this subsidiary embodiment, the L_Offset is fixed.

As an example of this subsidiary embodiment, the L_Offset is indicated by higher layer signaling.

Example 6

Embodiment 6 exemplifies another flow chart for transmitting the first information, as shown in FIG. In Figure 6, base station N3 is a serving cell maintenance base station of user equipment U4.

For the base station N3 , the second information is transmitted in step S30, the first information is transmitted in step S31, and the first wireless signal, the second wireless signal, and the third wireless signal are respectively received in the first time-frequency resource in step S32.

For the user equipment U4 , the second information is received in step S40, the first information is received in step S41, and the first wireless signal, the second wireless signal, and the third wireless signal are respectively transmitted in the first time-frequency resource in step S42. .

In Embodiment 6, the first wireless signal, the second wireless signal, and the third The wireless signals respectively occupy the first resource unit set, the second resource unit set, and the third resource unit set; and the first time-frequency resource includes a reference signal sent by the K antenna ports, where the K antenna ports are sent by the K antenna ports. The set of resource elements occupied by the reference signal in the first time-frequency resource includes all resource units in the second resource unit set; the transmit power of the first wireless signal and the third wireless signal The transmit power is the first power, the transmit power of the second wireless signal is the second power, and the ratio of the second power to the first power is variable; the first wireless signal is a reference signal, The small-scale channel parameters experienced by the first wireless signal can be used to infer small-scale channel parameters experienced by the third wireless signal; the K is a positive integer; the second wireless signal is a reference signal, At least one of the small-scale channel parameter experienced by the first wireless signal, the small-scale channel parameter experienced by the second wireless signal is used to determine the third wireless The small-scale channel parameter experienced by the number; or the transmission channel corresponding to the second wireless signal is a shared channel, and the small-scale channel parameter experienced by the first wireless signal is used to determine the second wireless signal a small-scale channel parameter experienced and a small-scale channel parameter experienced by the third wireless signal; the first information is used to determine {a first coefficient, the first time-frequency resource, for the third wireless signal At least the first coefficient in the configuration information}, the first coefficient and the ratio of the second power to the first power, the configuration information including {modulation coding state, new data indication, At least one of a redundancy version, a hybrid automatic repeat request process number}; the second information is used to determine {the transmission power of the second wireless signal is the second power, the second wireless signal Is at least the former of the reference signal}; the first resource unit set and the second resource unit set both belong to the pattern of the reference signal of the same configuration, or the second resource unit set is pre- The user equipment that is reserved for the user equipment U4 operates the reference signal; the transmission channel corresponding to the second wireless signal is a shared channel, and the third wireless signal adopts a first modulation and coding state, the second wireless The signal employs a second modulation coding state, the first modulation coding state and the second modulation coding state being different.

As a sub-embodiment, all resource units in the first resource unit set and all resource units in the second resource unit set are in the time-frequency resource block in this application. The position in the map corresponds to the pattern when the reference signal includes the K antenna ports.

As a sub-embodiment, the second wireless signal is a secondary DMRS.

As a sub-embodiment, the first wireless signal is a pre-DMRS.

As a sub-embodiment, regardless of the time-varying characteristics and frequency selection characteristics of the wireless channel, The small-scale channel parameters experienced by the second wireless signal and the small-scale channel parameters experienced by the third wireless signal are the same.

As a sub-embodiment, the shared channel is a UL-SCH.

As a sub-embodiment, the transport channel corresponding to the second radio signal is a shared channel, where the physical layer channel corresponding to the second radio signal is one of {PDSCH, SPDSCH, NR-PDSCH}.

As a sub-embodiment, the unit of the first power is dBm, the unit of the second power is dBm, and the unit of the first coefficient is dB.

As a sub-embodiment, the first information belongs to one DCI.

As a sub-embodiment, the first information belongs to one sDCI.

As a subsidiary embodiment of this sub-embodiment, the physical layer control channel is a PDCCH.

As a subsidiary embodiment of this sub-embodiment, the physical layer control channel is an sPDCCH.

As a sub-embodiment, the first information is dynamic.

As a sub-embodiment, the second wireless signal is a reference signal, the first coefficient belongs to a first coefficient set; a transmission channel of the second wireless signal belongs to a shared channel, and the first coefficient belongs to a second coefficient set. The first set of coefficients and the second set of coefficients are different.

As a sub-embodiment, the second information is semi-statically configured.

As a sub-embodiment, the second information is high layer signaling.

As a subsidiary embodiment of this sub-embodiment, the higher layer signaling is RRC signaling.

As a subsidiary embodiment of this sub-embodiment, the higher layer signaling is MAC signaling.

As a sub-embodiment, the second information includes 2 bits, wherein:

As a sub-invention, the target user equipment is a user equipment other than the user equipment U4, and the user equipment U4 and the target user equipment both occupy the second resource unit set, and the user equipment U4 is in the Sending the second wireless on the second resource unit set And the target user equipment sends a target wireless signal on the second resource unit set; the transmission channel corresponding to the second wireless signal is a shared channel, and the target wireless signal is the reference signal.

As an example of this subsidiary embodiment, the L_Offset is fixed.

Example 7

Embodiment 7 exemplifies a schematic diagram of a first resource unit set, a second resource unit set, and a third resource unit set, as shown in FIG. The first time-frequency resource in the application occupies a positive integer number of time-frequency resource blocks, and the target time-frequency resource block is any one of the positive integer time-frequency resource blocks; the target time-frequency resource block belongs to the The time-frequency position of the RE of the first resource unit set is the same as the time-frequency position of the RE belonging to the first resource unit set in the positive integer number of time-frequency resource blocks. FIG. 7 shows that the target time-frequency resource block is respectively used by the first resource unit set, the second resource unit set, and the third resource unit. A collection of resource elements occupied by a collection; each square shown in the figure corresponds to one RE.

As a sub-embodiment, the positive integer number of time-frequency resource blocks are discrete in the frequency domain.

As a sub-embodiment, the positive integer time-frequency resource blocks are contiguous in the frequency domain.

As a sub-embodiment, the first resource unit set and the second resource unit set are simultaneously transmitted with reference signals, and the first resource element set occupies the RE set and the second resource unit set occupies The RE set belongs to a set of REs occupied by a reference signal configuration.

As an auxiliary embodiment of the embodiment, the reference signal occupies K1 antenna ports, and the configuration of the reference signal corresponds to one of the K1, and the K1 is a positive integer.

As a subsidiary embodiment of the embodiment, the reference signal is a DMRS.

Example 8A to Example 8H

Embodiments 8A to 8H respectively illustrate a schematic diagram of a set of REs occupied by reference signals transmitted by K antenna ports. The set of REs occupied by the reference signals transmitted by the K antenna ports corresponds to a given set of REs, which are shown in FIG. 8 according to different values of the K, which are described in the present application. Schematic diagram of the position of the RE occupied in the time-frequency resource block; the dotted line frame in FIGS. 8A to 8H corresponds to one of the time-frequency resource blocks; one of the squares in FIG. 8A to FIG. 8H corresponds to one RE, and the slash is filled The square corresponds to the RE occupied by the given RE set.

As an embodiment, the embodiment 8A corresponds to a schematic diagram in which the K is equal to one of {1, 2}, and the given resource unit set occupies 2 multi-carrier symbols in the time-frequency resource block.

As an embodiment, the embodiment 8B corresponds to the K being equal to one of {1, 2, 4}, and the given resource unit set occupies 4 multi-carrier symbols in the time-frequency resource block. schematic diagram.

As an embodiment, the embodiment 8C corresponds to the K being equal to one of {1, 2, 4, 6}, and the given resource unit set occupies 2 multi-carriers in the time-frequency resource block. Schematic representation of the symbol.

As an embodiment, the embodiment 8D corresponds to the K being equal to one of {1, 2, 4, 6, 8, 12}, and the given resource unit set is occupied in the time-frequency resource block. Schematic diagram of 4 multi-carrier symbols.

As an embodiment, the embodiment 8E corresponds to the K being equal to one of {1, 2}, And the schematic diagram of the set of resource elements occupying two multi-carrier symbols in the time-frequency resource block.

As an embodiment, the embodiment 8F corresponds to the K being equal to one of {1, 2, 4}, and the given resource unit set occupies 2 multi-carrier symbols in the time-frequency resource block. schematic diagram.

As an embodiment, the embodiment 8G corresponds to the K being equal to one of {1, 2, 4}, and the given resource unit set occupies 4 multi-carrier symbols in the time-frequency resource block. schematic diagram.

As an embodiment, the embodiment 8H corresponds to the K being equal to one of {1, 2, 4, 6, 8}, and the given resource unit set occupies 4 in the time-frequency resource block. Schematic diagram of multi-carrier symbols.

Example 9

Embodiment 9 exemplifies a structural block diagram of a processing device in one UE, as shown in FIG. In FIG. 9, the UE processing apparatus 900 is mainly composed of a first transceiver module 901 and a first receiver module 902.

a first transceiver module 901, wherein the first wireless signal, the second wireless signal, and the third wireless signal are respectively operated in the first time-frequency resource;

a first receiver module 902, receiving the first information and receiving the second information;

In Embodiment 9, the first wireless signal, the second wireless signal, and the third wireless signal respectively occupy a first resource unit set, a second resource unit set, and a third resource unit set; The time-frequency resource includes a reference signal sent by the K antenna ports, and the set of resource units occupied by the reference signal transmitted by the K antenna ports in the first time-frequency resource includes the second resource unit set All of the resource units; the transmit power of the first wireless signal and the transmit power of the third wireless signal are the first power, the transmit power of the second wireless signal is the second power, and the second power The ratio of the first power is variable; the first wireless signal is a reference signal, and the small-scale channel parameters experienced by the first wireless signal can be used to infer that the third wireless signal is experienced a channel parameter; the operation is a reception, or the operation is a transmission; the K is a positive integer; the first information is used to determine {a first coefficient, the first time-frequency resource, a pin At least the first coefficient of the third wireless signal configuration information}, said first and said second coefficient to the power of the first power ratio is related to the configuration information comprises adjusting { At least one of a coding state, a new data indication, a redundancy version, a hybrid automatic repeat request process number}; the second information is used to determine {the second wireless signal transmission power is the second The power, the second wireless signal is at least the former of the reference signal}.

As a sub-embodiment, the second wireless signal is a reference signal, {the small-scale channel parameter experienced by the first wireless signal, and at least a small-scale channel parameter experienced by the second wireless signal} One is used to determine the small-scale channel parameters experienced by the third wireless signal.

As a sub-embodiment, the transmission channel corresponding to the second wireless signal is a shared channel, and the small-scale channel parameter experienced by the first wireless signal is used to determine a small scale experienced by the second wireless signal. Channel parameters and small-scale channel parameters experienced by the third wireless signal.

As a sub-embodiment, the first resource unit set and the second resource unit set all belong to a pattern of the reference signal of the same configuration.

As a sub-embodiment, the second set of resource elements is reserved for UEs other than the UE to operate the reference signal.

As a sub-embodiment, the third wireless signal adopts a first modulation and coding state, and the second wireless signal adopts a second modulation and coding state, where the first modulation and coding states and the second modulation and coding state are different. .

As a sub-embodiment, the first transceiver module 901 includes at least the first three of {transmitter/receiver 454, receive processor 456, transmit processor 455, controller/processor 459} in embodiment 4. By.

As a sub-embodiment, the first receiver module 902 includes at least the first two of the {receiver 454, the receiving processor 456, the controller/processor 459} in Embodiment 4.

As a sub-embodiment, the first transceiver module 901 includes the scheduling processor 451 in Embodiment 4.

As a sub-embodiment, the first receiver module 902 includes the scheduling processor 451 in Embodiment 4.

Example 10

Embodiment 10 exemplifies a structural block diagram of a processing device in a base station device, as shown in FIG. In FIG. 10, the base station device processing apparatus 1000 is mainly composed of a second transceiver module 1001 and a first transmitter module 1002.

The first transmitter module 1001 performs the first wireless signal, the second wireless signal and the third wireless signal respectively in the first time-frequency resource;

a second transceiver module 1002, transmitting the first information and transmitting the second information;

In Embodiment 10, the first wireless signal, the second wireless signal, and the third wireless signal respectively occupy a first resource unit set, a second resource unit set, and a third resource unit set; The time-frequency resource includes a reference signal sent by the K antenna ports, and the set of resource units occupied by the reference signal transmitted by the K antenna ports in the first time-frequency resource includes the second resource unit set All of the resource units; the transmit power of the first wireless signal and the transmit power of the third wireless signal are the first power, the transmit power of the second wireless signal is the second power, and the second power The ratio of the first power is variable; the first wireless signal is a reference signal, and the small-scale channel parameters experienced by the first wireless signal can be used to infer that the third wireless signal is experienced a scale channel parameter; the execution is a transmission, or the execution is a reception; the K is a positive integer; the first information is used to determine {a first coefficient, the first time-frequency resource, a pin At least the first coefficient of the configuration information of the third wireless signal, the first coefficient, and the ratio of the second power to the first power, the configuration information including {modulation coding At least one of a status, a new data indication, a redundancy version, a hybrid automatic repeat request process number}; the second information is used to determine {the transmission power of the second wireless signal is the second power, The second wireless signal is at least the former of the reference signal}.

As a sub-embodiment, the second resource unit set is reserved for a user equipment other than the first user equipment to operate the reference signal; the base station sends the first wireless signal, The first user equipment belongs to a receiver of the first wireless signal; or the base station receives the first wireless signal, and the first user equipment is a sender of the first wireless signal.

As a sub-embodiment, the second transceiver module 1001 includes at least the first three of {transmitter/receiver 416, receiving processor 412, transmitting processor 415, controller/processor 440} in Embodiment 4. By.

As a sub-embodiment, the first transmitter module 1002 includes at least the first two of {transmitter 416, transmit processor 415, controller/processor 440} in embodiment 4.

As a sub-embodiment, the second transceiver module 1001 includes the scheduling processor 471 in Embodiment 4.

As a sub-embodiment, the first transmitter module 1002 includes the scheduling processor 471 in Embodiment 4.

One of ordinary skill in the art can appreciate that all or part of the above steps can be completed by a program to instruct related hardware, and the program can be stored in a computer readable storage medium such as a read only memory, a hard disk or an optical disk. Alternatively, all or part of the steps of the above embodiments may also be implemented using one or more integrated circuits. Correspondingly, each module unit in the above embodiment may be implemented in hardware form or in the form of a software function module. The application is not limited to any specific combination of software and hardware. The user equipment, terminal and UE in the present application include but are not limited to a drone, a communication module on the drone, a remote control aircraft, an aircraft, a small aircraft, a mobile phone, a tablet computer, a notebook, a vehicle communication device, a wireless sensor, an internet card, Internet of Things terminal, RFID terminal, NB-IOT terminal, MTC (Machine Type Communication) terminal, eMTC (enhanced MTC), data card, network card, vehicle communication device, low-cost mobile phone, low Cost equipment such as tablets. The base station in the present application includes, but is not limited to, a macro communication base station, a micro cell base station, a home base station, a relay base station, a gNB (NR Node B), a TRP (Transmitter Receiver Point), and the like.

The above is only the preferred embodiment of the present application and is not intended to limit the scope of the present application. Any modifications, equivalents, improvements, etc. made within the spirit and principles of the present application are intended to be included within the scope of the present application.

Claims

A method for use in a user equipment for wireless communication, comprising:

- operating the first wireless signal, the second wireless signal, and the third wireless signal, respectively, in the first time-frequency resource;

The first wireless signal, the second wireless signal, and the third wireless signal respectively occupy a first resource unit set, a second resource unit set, and a third resource unit set; and the first time-frequency resource is assumed Included in the reference signal transmitted by the K antenna ports, the set of resource units occupied by the reference signal transmitted by the K antenna ports in the first time-frequency resource includes all of the second resource unit set a resource unit; a transmit power of the first wireless signal and a transmit power of the third wireless signal is a first power, a transmit power of the second wireless signal is a second power, and the second power is to the first The ratio of a power is variable; the first wireless signal is a reference signal, and the small-scale channel parameters experienced by the first wireless signal can be used to infer small-scale channel parameters experienced by the third wireless signal The operation is a reception, or the operation is a transmission; the K is a positive integer.
The method of claim 1 wherein said second wireless signal is a reference signal, said said small-scale channel parameter experienced by said first wireless signal, said small experienced by said second wireless signal At least one of the scale channel parameters} is used to determine a small scale channel parameter experienced by the third wireless signal.
The method according to claim 1, wherein the transmission channel corresponding to the second wireless signal is a shared channel, and the small-scale channel parameter experienced by the first wireless signal is used to determine the second The small-scale channel parameters experienced by the wireless signal and the small-scale channel parameters experienced by the third wireless signal.
The method according to any one of claims 1 to 3, comprising:

- receiving the first information;

The first information is used to determine at least the first coefficient of the first coefficient, the first time-frequency resource, configuration information for the third wireless signal, the first coefficient and The second power is related to the ratio of the first power, and the configuration information includes at least one of a {modulation coding state, a new data indication, a redundancy version, and a hybrid automatic repeat request process number}.
The method according to any one of claims 1 to 4, comprising:

- receiving the second information;

The second information is used to determine at least the former of {the transmission power of the second wireless signal is the second power, and the second wireless signal is a reference signal}.
The method according to any one of claims 1, 2, 4, and 5, wherein the first resource unit set and the second resource unit set all belong to the reference signal of the same configuration. pattern.
The method according to any one of claims 1, 3, 4, or 5, wherein the second resource unit set is reserved for user equipment other than the user equipment to operate the reference signal .
The method according to any one of claims 1, 3, 4, 5, and 7, wherein the third wireless signal adopts a first modulation coding state, and the second wireless signal adopts a second modulation coding The state, the first modulation coding state and the second modulation coding state are different.
A method for use in a base station for wireless communication, comprising:

Performing a first wireless signal, a second wireless signal, and a third wireless signal, respectively, in the first time-frequency resource;

The first wireless signal, the second wireless signal, and the third wireless signal respectively occupy a first resource unit set, a second resource unit set, and a third resource unit set; and the first time-frequency resource is assumed Included in the reference signal transmitted by the K antenna ports, the set of resource units occupied by the reference signal transmitted by the K antenna ports in the first time-frequency resource includes all of the second resource unit set a resource unit; a transmit power of the first wireless signal and a transmit power of the third wireless signal is a first power, a transmit power of the second wireless signal is a second power, and the second power is to the first The ratio of a power is variable; the first wireless signal is a reference signal, and the small-scale channel parameters experienced by the first wireless signal can be used to infer small-scale channel parameters experienced by the third wireless signal The execution is a transmission, or the execution is a reception; the K is a positive integer.
The method of claim 9 wherein said second wireless signal is a reference signal, said said small-scale channel parameter experienced by said first wireless signal, said small experienced by said second wireless signal At least one of the scale channel parameters} is used to determine a small scale channel parameter experienced by the third wireless signal.
The method according to claim 9, wherein said second wireless signal corresponds to The transport channel is a shared channel, and the small-scale channel parameter experienced by the first wireless signal is used to determine a small-scale channel parameter experienced by the second wireless signal and a small experienced by the third wireless signal Scale channel parameters.
The method according to any one of claims 9 to 11, comprising:

-. Send the first message;

The first information is used to determine at least the first coefficient of the first coefficient, the first time-frequency resource, configuration information for the third wireless signal, the first coefficient and The second power is related to the ratio of the first power, and the configuration information includes at least one of a {modulation coding state, a new data indication, a redundancy version, and a hybrid automatic repeat request process number}.
The method according to any one of claims 9 to 12, comprising:

-. Send the second message;

The second information is used to determine at least the former of {the transmission power of the second wireless signal is the second power, and the second wireless signal is a reference signal}.
The method according to any one of claims 9, 10, 12, and 13, wherein the first resource unit set and the second resource unit set all belong to the reference signal of the same configuration. pattern.
The method according to any one of claims 9, 11, 12, and 13, wherein the second resource unit set is reserved for user equipment other than the first user equipment to operate the reference signal Transmitting, by the base station, the first wireless signal, the first user equipment belongs to a receiver of the first wireless signal; or the base station receives the first wireless signal, where the first user equipment is The sender of the first wireless signal.
The method according to any one of claims 9, 11, 12, 13, and 15, wherein the third wireless signal adopts a first modulation and coding state, and the second wireless signal adopts a second modulation and coding The state, the first modulation coding state and the second modulation coding state are different.
A user equipment used for wireless communication, comprising:

The first transceiver module, respectively operating the first wireless signal, the second wireless signal, and the third wireless signal in the first time-frequency resource;

The first wireless signal, the second wireless signal, and the third wireless signal respectively occupy a first resource unit set, a second resource unit set, and a third resource unit set; and the first time-frequency resource is assumed Included in the reference signal transmitted by the K antenna ports, the set of resource units occupied by the reference signal transmitted by the K antenna ports in the first time-frequency resource includes all of the second resource unit set a resource unit; a transmit power of the first wireless signal and a transmit power of the third wireless signal is a first power, a transmit power of the second wireless signal is a second power, and the second power is to the first The ratio of a power is variable; the first wireless signal is a reference signal, and the small-scale channel parameters experienced by the first wireless signal can be used to infer small-scale channel parameters experienced by the third wireless signal The operation is a reception, or the operation is a transmission; the K is a positive integer.
A base station used for wireless communication, comprising:

- a second transceiver module, respectively performing a first wireless signal, a second wireless signal, and a third wireless signal in the first time-frequency resource;

The first wireless signal, the second wireless signal, and the third wireless signal respectively occupy a first resource unit set, a second resource unit set, and a third resource unit set; and the first time-frequency resource is assumed Included in the reference signal transmitted by the K antenna ports, the set of resource units occupied by the reference signal transmitted by the K antenna ports in the first time-frequency resource includes all of the second resource unit set a resource unit; a transmit power of the first wireless signal and a transmit power of the third wireless signal is a first power, a transmit power of the second wireless signal is a second power, and the second power is to the first The ratio of a power is variable; the first wireless signal is a reference signal, and the small-scale channel parameters experienced by the first wireless signal can be used to infer small-scale channel parameters experienced by the third wireless signal The execution is a transmission, or the execution is a reception; the K is a positive integer.