WO2019047845A1 - 一种参考信号的传输方法、装置、基站及终端 - Google Patents
一种参考信号的传输方法、装置、基站及终端 Download PDFInfo
- Publication number
- WO2019047845A1 WO2019047845A1 PCT/CN2018/104118 CN2018104118W WO2019047845A1 WO 2019047845 A1 WO2019047845 A1 WO 2019047845A1 CN 2018104118 W CN2018104118 W CN 2018104118W WO 2019047845 A1 WO2019047845 A1 WO 2019047845A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- subcarrier
- target
- port
- dmrs
- dmrs port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
- H04L5/0094—Indication of how sub-channels of the path are allocated
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase
Definitions
- the present disclosure relates to the technical field of communication applications, and in particular, to a method, an apparatus, a base station, and a terminal for transmitting a reference signal.
- Phase noise comes from the local oscillator in the transmitter and receiver, which will affect the transmission of multi-carrier signals, especially in the high frequency band (above 6GHz), the phase noise will be more serious, and the phase noise of the received signal is needed. Compensation to ensure system performance.
- PTRS phase tracking reference signal
- the PTRS is transmitted in the frequency band scheduled by the user, and according to its frequency domain density, each resource block (PRB) can be mapped once every 2 PRBs or every 4 PRBs, and In a PRB in which PTRS is present, each PTRS port is mapped to one subcarrier.
- Each PTRS port corresponds to a set of demodulation reference signal (DMRS) ports, hereinafter referred to as group correspondence.
- DMRS demodulation reference signal
- PTRS Similar to DMRS, PTRS also needs to be precoded for transmission. To compensate for the effects of phase noise, the precoding used by the PTRS is related to the precoding used by a set of DMRS ports corresponding to this PT-RS port. At the same time, in order to ensure the compensation accuracy, the PTRS should be mapped on the subcarrier where the corresponding DMRS port group is located.
- a pre-defined PTRS port uses a precoding used by a fixed DMRS port of a DMRS port group corresponding thereto, and is mapped to a subcarrier where the DMRS port is located, which is hereinafter referred to as a port correspondence.
- This fixed DMRS port can be the smallest DMRS port in the group.
- An object of the present disclosure is to provide a method, an apparatus, a base station, and a terminal for transmitting a reference signal, which are used to solve the problem that the PTRS port is mapped to the subcarrier where the DMRS port corresponding to the port is located, and there is no corresponding solution. .
- the present disclosure provides a method for transmitting a reference signal, which is applied to a base station, including:
- the location information of the target subcarrier for mapping the target phase tracking reference signal PTRS port is indicated to the terminal, and the target DMRS port is targeted.
- DMRS port corresponding to the PTRS port is targeted.
- the method for transmitting the reference signal further includes:
- the position information of the target subcarrier for mapping the target phase tracking reference signal PTRS port is indicated to the terminal in the subcarrier occupied by the DMRS port of the target demodulation reference signal by an explicit manner, including:
- the location information includes: offset information of the preset reference subcarrier corresponding to the target DMRS port and the target subcarrier.
- the step of indicating the location information of the target subcarrier of the target phase tracking reference signal PTRS port to the terminal in the subcarrier occupied by the target demodulation reference signal DMRS port includes:
- the location information of the target subcarrier used for mapping the target phase tracking reference signal PTRS port is indicated to the terminal in the subcarrier occupied by the DMRS port of the target demodulation reference signal by an implicit manner, including:
- the location information is indicated to the terminal by a protocol agreement
- the location information includes: a location of a subcarrier used to map the PTRS port in each subcarrier occupied by the DMRS port; or a subcarrier used to map the PTRS port in the subcarrier occupied by each DMRS port and the DMRS Offset information of the preset reference subcarrier corresponding to the port.
- Each of the DMRS ports is a port in a preset DMRS port group
- the DMRS ports in the same preset DMRS port group occupy the same subcarriers, and the DMRS ports in different preset DMRS port groups occupy different subcarriers.
- an embodiment of the present disclosure further provides a method for transmitting a reference signal, which is applied to a terminal, including:
- the target subcarrier is a subcarrier used by the target demodulation reference signal DMRS port, and is used to map the target phase tracking reference signal PTRS port Carrier
- the target DMRS port is the DMRS port corresponding to the target PTRS port
- a target subcarrier is determined based on the location information.
- the method for transmitting the reference signal further includes:
- a PTRS is acquired on the target subcarrier, and phase noise estimation is performed according to the PTRS.
- the step of determining a target subcarrier according to the location information includes:
- the acquiring location information of the target subcarrier indicated by the base station in an explicit manner includes:
- the location information includes: offset information of the preset reference subcarrier corresponding to the target DMRS port and the target subcarrier.
- the acquiring location information of the target subcarrier indicated by the base station in an implicit manner includes:
- the location information includes: a location of a subcarrier used to map the PTRS port in each subcarrier occupied by the DMRS port; or a subcarrier used to map the PTRS port in the subcarrier occupied by each DMRS port and the DMRS Offset information of the preset reference subcarrier corresponding to the port.
- Each of the DMRS ports is a port in a preset DMRS port group
- the DMRS ports in the same preset DMRS port group occupy the same subcarriers, and the DMRS ports in different preset DMRS port groups occupy different subcarriers.
- an embodiment of the present disclosure further provides a base station, including: a transceiver, a memory, a processor, and a computer program stored on the memory and operable on the processor, the processor executing the computer program The following steps are implemented:
- the location information of the target subcarrier for mapping the target phase tracking reference signal PTRS port is indicated to the terminal, and the target DMRS port is targeted.
- DMRS port corresponding to the PTRS port is targeted.
- the location information includes: offset information of the preset reference subcarrier corresponding to the target DMRS port and the target subcarrier.
- the location information is indicated to the terminal by a protocol agreement
- the location information includes: a location of a subcarrier used to map the PTRS port in each subcarrier occupied by the DMRS port; or a subcarrier used to map the PTRS port in the subcarrier occupied by each DMRS port and the DMRS Offset information of the preset reference subcarrier corresponding to the port.
- Each of the DMRS ports is a port in a preset DMRS port group
- the DMRS ports in the same preset DMRS port group occupy the same subcarriers, and the DMRS ports in different preset DMRS port groups occupy different subcarriers.
- an embodiment of the present disclosure further provides a computer readable storage medium having stored thereon a computer program, which when executed by a processor, implements the following steps:
- the location information of the target subcarrier for mapping the target phase tracking reference signal PTRS port is indicated to the terminal, and the target DMRS port is targeted.
- DMRS port corresponding to the PTRS port is targeted.
- an embodiment of the present disclosure further provides a terminal, including: a transceiver, a memory, a processor, and a computer program stored on the memory and operable on the processor, the processor executing the computer program
- a terminal including: a transceiver, a memory, a processor, and a computer program stored on the memory and operable on the processor, the processor executing the computer program
- the target subcarrier is a subcarrier used by the target demodulation reference signal DMRS port, and is used to map the target phase tracking reference signal PTRS port Carrier
- the target DMRS port is the DMRS port corresponding to the target PTRS port
- a target subcarrier is determined based on the location information.
- a PTRS is acquired on the target subcarrier, and phase noise estimation is performed according to the PTRS.
- the location information includes: offset information of the preset reference subcarrier corresponding to the target DMRS port and the target subcarrier.
- the location information includes: a location of a subcarrier used to map the PTRS port in each subcarrier occupied by the DMRS port; or a subcarrier used to map the PTRS port in the subcarrier occupied by each DMRS port and the DMRS Offset information of the preset reference subcarrier corresponding to the port.
- Each of the DMRS ports is a port in a preset DMRS port group
- the DMRS ports in the same preset DMRS port group occupy the same subcarriers, and the DMRS ports in different preset DMRS port groups occupy different subcarriers.
- an embodiment of the present disclosure further provides a computer readable storage medium having stored thereon a computer program, which when executed by a processor, implements the following steps:
- the target subcarrier is a subcarrier used by the target demodulation reference signal DMRS port, and is used to map the target phase tracking reference signal PTRS port Carrier
- the target DMRS port is the DMRS port corresponding to the target PTRS port
- a target subcarrier is determined based on the location information.
- an embodiment of the present disclosure further provides a reference signal transmission apparatus, which is applied to a base station, and includes:
- an indication module configured to indicate to the terminal, by using an implicit or explicit manner, the location information of the target subcarrier used for mapping the target phase tracking reference signal PTRS port in the subcarrier occupied by the target demodulation reference signal DMRS port,
- the target DMRS port is the DMRS port corresponding to the target PTRS port.
- the indication module includes:
- a first indicator submodule configured to send the location information to the terminal by using signaling
- the location information includes: offset information of the preset reference subcarrier corresponding to the target DMRS port and the target subcarrier.
- the indication module includes:
- a second indicator submodule configured to indicate the location information to the terminal by using a protocol
- the location information includes: a location of a subcarrier used to map the PTRS port in each subcarrier occupied by the DMRS port; or a subcarrier used to map the PTRS port in the subcarrier occupied by each DMRS port and the DMRS Offset information of the preset reference subcarrier corresponding to the port.
- Each of the DMRS ports is a port in a preset DMRS port group
- the DMRS ports in the same preset DMRS port group occupy the same subcarriers, and the DMRS ports in different preset DMRS port groups occupy different subcarriers.
- an embodiment of the present disclosure further provides a reference signal transmission apparatus, which is applied to a terminal, and includes:
- An acquiring module configured to acquire location information of a target subcarrier indicated by the base station in an implicit or explicit manner, where the target subcarrier is a subcarrier occupied by a target demodulation reference signal DMRS port, and is used to map a target phase tracking reference.
- the subcarrier of the signal PTRS port, and the target DMRS port is the DMRS port corresponding to the target PTRS port;
- a determining module configured to determine the target subcarrier according to the location information.
- the obtaining module includes:
- a first acquiring submodule configured to acquire location information that is sent by the base station by using signaling
- the location information includes: offset information of the preset reference subcarrier corresponding to the target DMRS port and the target subcarrier.
- the obtaining module includes:
- a second obtaining submodule configured to acquire location information of the target subcarrier by using a protocol agreement
- the location information includes: a location of a subcarrier used to map the PTRS port in each subcarrier occupied by the DMRS port; or a subcarrier used to map the PTRS port in the subcarrier occupied by each DMRS port and the DMRS Offset information of the preset reference subcarrier corresponding to the port.
- Each of the DMRS ports is a port in a preset DMRS port group
- the DMRS ports in the same preset DMRS port group occupy the same subcarriers, and the DMRS ports in different preset DMRS port groups occupy different subcarriers.
- the location information of the target subcarrier for mapping the target phase tracking reference signal PTRS port is used in the subcarrier occupied by the target demodulation reference signal DMRS port in an implicit or explicit manner. Instructing the terminal to determine the target subcarrier according to the location information, and then acquiring the PTRS transmitted by the base station on the target subcarrier, achieving the purpose of performing PTRS transmission according to the location information, and avoiding mapping of different PTRS ports to On the same subcarrier, the orthogonality between different PTRS ports is effectively guaranteed.
- FIG. 1 is a first working flowchart of a method for transmitting a reference signal according to an embodiment of the present disclosure
- FIG. 2a is a schematic diagram of a first configuration of a DMRS according to an embodiment of the present disclosure
- FIG. 2b is a schematic diagram of a second configuration of a DMRS according to an embodiment of the present disclosure
- 2c is a schematic diagram of a third configuration of a DMRS according to an embodiment of the present disclosure.
- 2d is a schematic diagram of a fourth configuration of a DMRS according to an embodiment of the present disclosure.
- FIG. 3 is a second working flowchart of a method for transmitting a reference signal according to an embodiment of the present disclosure
- FIG. 4 is a schematic diagram of a first mapping of a PTRS according to an embodiment of the present disclosure
- FIG. 5 is a schematic diagram of a second mapping of a PTRS according to an embodiment of the present disclosure
- FIG. 6 is a structural block diagram of a base station according to an embodiment of the present disclosure.
- FIG. 7 is a schematic diagram of a first module of a base station according to an embodiment of the present disclosure.
- FIG. 8 is a schematic diagram of a second module of a base station according to an embodiment of the present disclosure.
- FIG. 9 is a structural block diagram of a terminal according to an embodiment of the present disclosure.
- FIG. 10 is a schematic diagram of a first module of a terminal according to an embodiment of the present disclosure.
- FIG. 11 is a schematic diagram of a second module of a terminal according to an embodiment of the present disclosure.
- Embodiments of the present disclosure provide a method, an apparatus, a base station, and a terminal for transmitting a reference signal, which solves the problem that how a PTRS port is mapped to a subcarrier on which a DMRS port corresponding to a port is located, and there is no corresponding solution at present. .
- an embodiment of the present disclosure provides a method for transmitting a reference signal, which is applied to a base station, and includes:
- Step S101 In an implicit or explicit manner, the location information of the target subcarrier used for mapping the target phase tracking reference signal PTRS port in the subcarrier occupied by the target demodulation reference signal DMRS port is indicated to the terminal, and the target DMRS The port is the DMRS port corresponding to the target PTRS port.
- each PTRS port corresponds to a group of DMRS ports
- each PTRS port corresponds to a preset DMRS port in the group of DMRS ports, such as a DMRS port with the smallest port number in the group of DMRS ports. correspond.
- the location information includes: offset information of the preset reference subcarrier corresponding to the target DMRS port and the target subcarrier, a location of a subcarrier used to map the PTRS port in each subcarrier occupied by the DMRS port, or Offset information of a preset reference subcarrier corresponding to the DMRS port of the subcarrier used by each DMRS port.
- the target PTRS port is a PTRS port that currently needs to perform subcarrier mapping.
- the location information of the target subcarrier used for mapping the target PTRS port is indicated to the terminal by using the target DMRS port, so that the terminal can determine the target subcarrier according to the location information, and can ensure different PTRS ports. Orthogonality.
- the method further includes:
- the base station indicates the location information of the target subcarrier to the terminal, and maps the PTRS on the target subcarrier to the terminal.
- the location information of the target subcarrier used for mapping the target phase tracking reference signal PTRS port is indicated to the terminal in the subcarrier occupied by the target demodulation reference signal DMRS port in an explicit manner.
- the location information includes: offset information of the preset reference subcarrier corresponding to the target DMRS port and the target subcarrier.
- the preset reference subcarriers herein are subcarriers that are predefined by the communication system and are well known to the base station and the terminal. Specifically, the Sth subcarrier occupied by each DMRS port is defined as a preset reference subcarrier according to the order of subcarriers in one PRB.
- the method further includes:
- the offset information may be specifically frequency offset information, subcarrier offset information, and/or PRB offset information.
- the base station first determines, according to the correspondence between the preset PTRS port and the DMRS port group, the DMRS port group corresponding to each PTRS port configured by the base station, and determines, according to the system agreement, the PTRS port group and the PTRS.
- the DMRS port corresponding to the port Then, the base station selects a target subcarrier for mapping the PTRS port in the target DMRS port corresponding to the target PTRS, and then determines offset information of the target subcarrier and the preset reference subcarrier.
- the system pre-defines that the S-th sub-carrier occupied by each DMRS port in one PRB is a preset reference sub-carrier.
- This preset reference subcarrier is well known to the base station and the terminal.
- the base station determines the DMRS port corresponding to the PTRS port, and determines the value of the subcarrier offset S_offset of the PTRS port.
- the value of this S_offset can be a positive integer, zero or a negative integer.
- the base station informs the terminal by sub-carrier offset S_offset of each PTRS port, and simultaneously maps the PTRS of each port to the sub-carriers jointly determined by S and S_offset in the PRB including the PTRS.
- the system pre-defines the preset reference sub-carrier, determines the position of each PTRS port in the sub-carrier where the corresponding DMRS port is located, and determines the sub-carrier and the preset reference for mapping the PTRS port.
- the offset information of the subcarrier is transmitted to the terminal by signaling, and the purpose of mapping the PTRS port to the subcarrier where the DMRS port corresponding thereto is located is implemented, and orthogonality between different PTRS ports can be ensured. Sex.
- the location information of the target subcarrier for mapping the target phase tracking reference signal PTRS port is indicated to the terminal in the subcarrier occupied by the target demodulation reference signal DMRS port in an implicit manner.
- the location information is indicated to the terminal by a protocol agreement
- the location information includes: a location of a subcarrier used to map the PTRS port in each subcarrier occupied by the DMRS port; or a subcarrier used to map the PTRS port in the subcarrier occupied by each DMRS port and the DMRS Offset information of the preset reference subcarrier corresponding to the port.
- each of the DMRS ports is a port in a preset DMRS port group
- the DMRS ports in the same preset DMRS port group occupy the same subcarriers, and the DMRS ports in different preset DMRS port groups occupy different subcarriers.
- the subcarriers used to map the PTRS port in different DMRS ports of the same preset DMRS port group are different.
- the configuration of the DMRS includes two configuration types, and each configuration type includes two orthogonal frequency division multiplexing OFDM symbols and two OFDM symbols, and configuration type 1 is as shown in FIG. 2a. As shown in Figure 2b, configuration type 2 is shown in Figures 2c and 2d.
- the maximum number of DMRS ports it supports is divided into multiple DMRS port groups, referred to as subcarrier-based DMRS port groups (preset DMRS port groups).
- the DMRS port in each DMRS port group based on the subcarrier location occupies the same subcarrier, and the DMRS port in the different DMRS port group based on the subcarrier location occupies different subcarriers.
- each DMRS port group based on subcarrier location the system pre-defines the location of the subcarriers used to map the PTRS port among the subcarriers occupied by each DMRS port, or is used in the subcarrier occupied by each DMRS port. And mapping offset information of the sub-carrier of the PTRS port and the preset reference sub-carrier corresponding to the DMRS port. System-defined information is known to base stations and terminals. For different subcarrier-based DMRS port groups, the offset information of the subcarriers used to map the PTRS port may be the same or different.
- Each PTRS port configured by the base station determines a DMRS port corresponding thereto by the base station, and determines a subcarrier mapped by the PTRS port according to the predefined location information, and sends the PTRS to the terminal.
- the method for transmitting a reference signal indicates that the location information is indicated to the terminal by using a protocol, and performs PTRS transmission according to the location information, and can prevent different PTRS ports from being mapped to the same subcarrier, thereby effectively ensuring Orthogonality between different PTRS ports.
- an embodiment of the present disclosure further provides a method for transmitting a reference signal, which is applied to a terminal, and includes:
- Step S301 Acquire location information of the target subcarrier indicated by the base station in an implicit or explicit manner, where the target subcarrier is a subcarrier occupied by the target demodulation reference signal DMRS port, and is used to map the target phase tracking reference signal PTRS.
- the subcarrier of the port, and the target DMRS port is the DMRS port corresponding to the target PTRS port.
- the location information includes: offset information of the preset reference subcarrier corresponding to the target DMRS port and the target subcarrier, a location of a subcarrier used to map the PTRS port in each subcarrier occupied by the DMRS port, or Offset information of a preset reference subcarrier corresponding to the DMRS port of the subcarrier used by each DMRS port.
- the target PTRS port is a PTRS port that currently needs to perform subcarrier mapping.
- Step S302 Determine a target subcarrier according to the location information.
- the method for transmitting a reference signal in the embodiment of the present disclosure acquires location information of a target subcarrier indicated by the base station in an implicit or explicit manner, and determines a target subcarrier according to the location information.
- the embodiment of the present disclosure determines the target subcarrier according to the location information of the target subcarrier indicated by the base station and performs transmission, which can effectively ensure orthogonality between different PTRS ports.
- the method further includes:
- a PTRS is acquired on the target subcarrier, and phase noise estimation is performed according to the PTRS.
- the receiving end by acquiring the PTRS transmitted by the base station on the target subcarrier, the receiving end can ensure the phase noise estimation of the link and compensate the influence of the phase noise.
- step S302 includes:
- the corresponding relationship between each PTRS port and the DMRS port group notified by the receiving base station is determined, and the correspondence between each PTRS port and the DMRS port in the DMRS port group is determined according to the corresponding relationship and the system agreement, and further according to In the foregoing location information, the target subcarrier is determined in the subcarrier occupied by the DMRS port corresponding to the PTRS port.
- acquiring location information of the target subcarrier indicated by the base station in an explicit manner includes:
- the location information includes: offset information of the preset reference subcarrier corresponding to the target DMRS port and the target subcarrier.
- step S301 the location information of the target subcarrier indicated by the base station in an implicit manner is obtained, including:
- the location information includes: a location of a subcarrier used to map the PTRS port in each subcarrier occupied by the DMRS port; or a subcarrier used to map the PTRS port in the subcarrier occupied by each DMRS port and the DMRS Offset information of the preset reference subcarrier corresponding to the port.
- Each of the DMRS ports is a port in a preset DMRS port group
- the DMRS ports in the same preset DMRS port group occupy the same subcarriers, and the DMRS ports in different preset DMRS port groups occupy different subcarriers.
- This preset reference subcarrier is well known to the base station and the terminal. That is, for DMRS ports 0, 1, 4, and 5, the preset reference subcarrier is subcarrier 1, and for DMRS ports 2, 3, 6, and 7, the preset reference subcarrier is subcarrier 2.
- the base station is configured with two PTRS ports.
- the base station determines that PTRS port 0 has a group correspondence with DMRS port 0-3, which uses precoding of DMRS port 0, ie it has a port corresponding to DMRS port 0.
- the base station determines that PTRS port 1 has a group correspondence with DMRS ports 4-7, which uses precoding of DMRS port 4, ie it has a port correspondence with DMRS port 4.
- the value of S_offset represents the number of offset subcarriers. As can be seen from FIG.
- the base station informs the terminal by signaling the subcarrier offset S_offset of each PTRS port.
- PTRS port 0 does not perform offset on the preset reference subcarrier
- PTRS port 1 performs offset of 2 subcarriers on the reference subcarrier and transmits.
- the terminal has a port correspondence relationship with each PTRS port agreed by the system and the DMRS port of the smallest port number in the DMRS port group, and determines that the PTRS port 0 has a port correspondence relationship with the DMRS port 0, and the PTRS port 1 and The DMRS port 4 has a port correspondence.
- the location information is offset information of a preset reference subcarrier corresponding to the DMRS port of the subcarrier used by each DMRS port in the preset DMRS port group.
- FIG 2a there are two DMRS port groups based on carrier positions. Ports 0 and 1 are one packet, ports 2 and 3 are one packet; in Figure 2b, there are two carrier-based DMRS port groups, where ports 0, 1, 4, and 5 are one packet, and ports 2, 3 6 and 7 are one packet; in Figure 2c, there are 3 carrier-based DMRS port groups, where ports 0 and 1 are one packet, ports 2 and 3 are one packet, and ports 4 and 5 are one packet; In 2d, it is divided into three carrier-based DMRS port groups, where ports 0, 1, 6, and 7 are one packet, ports 2, 3, 8, and 9 are one packet, and ports 4, 5, 10, and 11 are one. Grouping.
- the offset information of the PTRS port and the subcarrier of each DMRS port is defined in the group where the ports 0, 1, 6, and 7 are located, as shown in Table 1.
- the offset information of the PTRS port and the subcarrier of each DMRS port is defined, as shown in Table 2.
- the offset information of the PTRS port and the subcarriers of each DMRS port is defined, as shown in Table 3.
- steps 1-2 are predefined by the system and are known to the base station and the terminal.
- the base station is configured with two PTRS ports.
- the base station determines that PTRS port 0 has a group correspondence with DMRS port 0-2, which uses precoding of DMRS port 0, ie it has a port correspondence with DMRS port 0.
- the base station determines that PTRS port 1 has a group correspondence with DMRS port 3-5, which uses precoding of DMRS port 3, ie it has a port correspondence with DMRS port 3.
- PTRS port 0 is mapped to the first subcarrier of DMRS port 0, that is, transmitted on subcarrier 1; according to Table 2, PTRS port 1 is mapped to the first subcarrier where DMRS port 3 is located. Moving on one subcarrier, that is, transmitting on subcarrier 4, as shown in FIG.
- the receiving end has a port correspondence relationship with each PT-RS port agreed by the system and the DMRS port of the smallest port number in the group according to the group correspondence relationship, and determines that the PTRS port 0 has a port correspondence relationship with the DMRS port 0, and the PTRS port 1 It has a port correspondence with the DMRS port 3.
- PTRS port 0 is not offset on the first subcarrier where DMRS port 0 is located, and is located in subcarrier 1; and PTRS port 1 is in DMRS port.
- the offset of 1 subcarrier is performed on the first subcarrier where 3 is located, and is located in subcarrier 4. Perform phase noise estimation.
- the method for transmitting a reference signal is used to map a target subcarrier of a target phase tracking reference signal PTRS port to a subcarrier occupied by a target demodulation reference signal DMRS port.
- the location information is instructed to the terminal, so that the terminal determines the target subcarrier according to the location information, and then obtains the PTRS transmitted by the base station on the target subcarrier, implements the purpose of performing PTRS transmission according to the location information, and can avoid different PTRS ports. Mapping to the same subcarrier effectively ensures orthogonality between different PTRS ports.
- an embodiment of the present disclosure further provides a base station, including a memory 620, a processor 600, a transceiver 610, a bus interface, and a computer program stored on the memory 620 and operable on the processor 600.
- the processor 600 is configured to read a program in the memory 620, and execute the following processes: a processor and a computer program stored on the memory and executable on the processor, wherein the processor executes the computer program The following steps:
- the location information of the target subcarrier for mapping the target phase tracking reference signal PTRS port is indicated to the terminal, and the target DMRS port is targeted.
- DMRS port corresponding to the PTRS port is targeted.
- the bus architecture can include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 600 and various circuits of memory represented by memory 620.
- the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
- the bus interface provides an interface.
- Transceiver 610 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
- the processor 600 is responsible for managing the bus architecture and general processing, and the memory 620 can store data used by the processor 600 in performing operations.
- the processor 600 can also implement the following steps when executing the computer program:
- the location information of the target subcarrier for mapping the target phase tracking reference signal PTRS port is indicated to the terminal, and the target DMRS port is targeted.
- DMRS port corresponding to the PTRS port is targeted.
- the processor 600 can also implement the following steps when executing the computer program:
- the processor 600 can also implement the following steps when executing the computer program:
- the location information includes: offset information of the preset reference subcarrier corresponding to the target DMRS port and the target subcarrier.
- the processor 600 can also implement the following steps when executing the computer program:
- the processor 600 can also implement the following steps when executing the computer program:
- the location information is indicated to the terminal by a protocol agreement
- the location information includes: a location of a subcarrier used to map the PTRS port in each subcarrier occupied by the DMRS port; or a subcarrier used to map the PTRS port in the subcarrier occupied by each DMRS port and the DMRS Offset information of the preset reference subcarrier corresponding to the port.
- Each of the DMRS ports is a port in a preset DMRS port group
- the DMRS ports in the same preset DMRS port group occupy the same subcarriers, and the DMRS ports in different preset DMRS port groups occupy different subcarriers.
- a computer readable storage medium having stored thereon a computer program that, when executed by a processor, implements the following steps:
- the location information of the target subcarrier for mapping the target phase tracking reference signal PTRS port is indicated to the terminal, and the target DMRS port is targeted.
- DMRS port corresponding to the PTRS port is targeted.
- an embodiment of the present disclosure further provides a reference signal transmission apparatus, which is applied to a base station, and includes:
- the indication module 701 is configured to: in an implicit or explicit manner, indicate, to the terminal, the location information of the target subcarrier used for mapping the target phase tracking reference signal PTRS port in the subcarrier occupied by the target demodulation reference signal DMRS port.
- the target DMRS port is a DMRS port corresponding to the target PTRS port.
- the transmission device of the reference signal of the embodiment of the present disclosure further includes:
- the transmitting module 702 transmits the PTRS to the terminal on the target subcarrier.
- the indication module 701 includes:
- the first indicator sub-module 7011 is configured to send the location information to the terminal by using signaling
- the location information includes: offset information of the preset reference subcarrier corresponding to the target DMRS port and the target subcarrier.
- the selecting module 703 is configured to select a target subcarrier used for mapping the PTRS port among the subcarriers occupied by the target DMRS port.
- the processing module 704 is configured to determine offset information of the target subcarrier and the preset reference subcarrier.
- the indication module 701 includes:
- a second indicator sub-module 7012 configured to indicate the location information to the terminal by using a protocol agreement
- the location information includes: a location of a subcarrier used to map the PTRS port in each subcarrier occupied by the DMRS port; or a subcarrier used to map the PTRS port in the subcarrier occupied by each DMRS port and the DMRS Offset information of the preset reference subcarrier corresponding to the port.
- each of the DMRS ports is a port in a preset DMRS port group
- the DMRS ports in the same preset DMRS port group occupy the same subcarriers, and the DMRS ports in different preset DMRS port groups occupy different subcarriers.
- the reference signal transmission apparatus of the embodiment of the present disclosure uses an implicit or explicit manner to allocate a target subcarrier of a target phase tracking reference signal PTRS port to a subcarrier occupied by a target demodulation reference signal DMRS port.
- the location information is instructed to the terminal, so that the terminal determines the target subcarrier according to the location information, and then obtains the PTRS transmitted by the base station on the target subcarrier, implements the purpose of performing PTRS transmission according to the location information, and can avoid different PTRS ports. Mapping to the same subcarrier effectively ensures orthogonality between different PTRS ports.
- the device is a device corresponding to the foregoing method embodiment applied to the base station side. All the implementation manners in the foregoing method embodiments are applicable to the device embodiment, and the same technical effects can be achieved.
- a terminal including a memory 920, a processor 900, a transceiver 910, a user interface 930, a bus interface, and is stored on the memory 920 and can be processed.
- a computer program running on the processor 900, the processor 900 is configured to read a program in the memory 920, and perform the following process:
- the target subcarrier is a subcarrier used by the target demodulation reference signal DMRS port, and is used to map the target phase tracking reference signal PTRS port Carrier
- the target DMRS port is the DMRS port corresponding to the target PTRS port
- a target subcarrier is determined based on the location information.
- the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 900 and various circuits of memory represented by memory 920.
- the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
- the bus interface provides an interface.
- Transceiver 910 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
- the user interface 930 may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
- the processor 900 is responsible for managing the bus architecture and general processing, and the memory 920 can store data used by the processor 900 in performing operations.
- the processor 900 is further configured to read a program in the memory 920, and perform the following steps:
- a PTRS is acquired on the target subcarrier, and phase noise estimation is performed according to the PTRS.
- the processor 900 is further configured to read a program in the memory 920, and perform the following steps:
- the processor 900 is further configured to read a program in the memory 920, and perform the following steps:
- the location information includes: offset information of the preset reference subcarrier corresponding to the target DMRS port and the target subcarrier.
- the processor 900 is further configured to read a program in the memory 920, and perform the following steps:
- the location information includes: a location of a subcarrier used to map the PTRS port in each subcarrier occupied by the DMRS port; or a subcarrier used to map the PTRS port in the subcarrier occupied by each DMRS port and the DMRS Offset information of the preset reference subcarrier corresponding to the port.
- Each of the DMRS ports is a port in a preset DMRS port group
- the DMRS ports in the same preset DMRS port group occupy the same subcarriers, and the DMRS ports in different preset DMRS port groups occupy different subcarriers.
- a computer readable storage medium having stored thereon a computer program that, when executed by a processor, implements the following steps:
- the target subcarrier is a subcarrier used by the target demodulation reference signal DMRS port, and is used to map the target phase tracking reference signal PTRS port Carrier
- the target DMRS port is the DMRS port corresponding to the target PTRS port
- a target subcarrier is determined based on the location information.
- an embodiment of the present disclosure further provides a reference signal transmission apparatus, which is applied to a terminal, and includes:
- the obtaining module 1001 is configured to acquire location information of a target subcarrier indicated by the base station in an implicit or explicit manner, where the target subcarrier is used in a subcarrier occupied by a target demodulation reference signal DMRS port, and is used for mapping target phase tracking.
- the target DMRS port is the DMRS port corresponding to the target PTRS port;
- the determining module 1002 is configured to determine a target subcarrier according to the location information.
- the transmission device of the reference signal of the embodiment of the present disclosure further includes:
- the estimation module 1003 is configured to acquire a PTRS on the target subcarrier, and perform phase noise estimation according to the PTRS.
- the determining module 1002 includes:
- a first determining submodule 10021 configured to determine a target DMRS port corresponding to the target PTRS port
- the second determining submodule 10022 is configured to determine, according to the location information, a target subcarrier in a subcarrier occupied by the target DMRS port.
- the acquiring module 1001 includes:
- the first obtaining sub-module 10011 is configured to acquire location information that is sent by the base station by using signaling;
- the location information includes: offset information of the preset reference subcarrier corresponding to the target DMRS port and the target subcarrier.
- the acquiring module 1001 includes:
- a second obtaining sub-module 10012 configured to acquire location information of the target subcarrier by using a protocol agreement
- the location information includes: a location of a subcarrier used to map the PTRS port in each subcarrier occupied by the DMRS port; or a subcarrier used to map the PTRS port in the subcarrier occupied by each DMRS port and the DMRS Offset information of the preset reference subcarrier corresponding to the port.
- each of the DMRS ports is a port in a preset DMRS port group
- the DMRS ports in the same preset DMRS port group occupy the same subcarriers, and the DMRS ports in different preset DMRS port groups occupy different subcarriers.
- the device is a device corresponding to the foregoing method for transmitting a reference signal applied to the terminal side, wherein all the implementation manners in the foregoing method embodiments are applicable to the embodiment of the device, and the same technology can be achieved. effect.
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (34)
- 一种参考信号的传输方法,应用于基站,包括:通过隐式或显式的方式,将目标解调参考信号DMRS端口所占用的子载波中,用于映射目标相位跟踪参考信号PTRS端口的目标子载波的位置信息指示给终端,目标DMRS端口为目标PTRS端口对应的DMRS端口。
- 根据权利要求1所述的参考信号的传输方法,还包括:在所述目标子载波上向所述终端传输PTRS。
- 根据权利要求1所述的参考信号的传输方法,其中,通过显式的方式,将目标解调参考信号DMRS端口所占用的子载波中,用于映射目标相位跟踪参考信号PTRS端口的目标子载波的位置信息指示给终端,包括:通过信令将所述位置信息发送给所述终端;所述位置信息包括:所述目标DMRS端口对应的预设参考子载波与所述目标子载波的偏移信息。
- 根据权利要求3所述的参考信号的传输方法,其中,将目标解调参考信号DMRS端口所占用的子载波中,用于映射目标相位跟踪参考信号PTRS端口的目标子载波的位置信息指示给终端的步骤之前,还包括:在目标DMRS端口所占用的子载波中,选取用于映射PTRS端口的目标子载波;确定所述目标子载波与所述预设参考子载波的偏移信息。
- 根据权利要求1所述的参考信号的传输方法,其中,通过隐式的方式,将目标解调参考信号DMRS端口所占用的子载波中,用于映射目标相位跟踪参考信号PTRS端口的目标子载波的位置信息指示给终端,包括:通过协议约定将所述位置信息指示给所述终端;所述位置信息包括:每个DMRS端口所占用的子载波中用于映射PTRS端口的子载波的位置;或者,每个DMRS端口所占用的子载波中用于映射PTRS端口的子载波与该DMRS端口对应的预设参考子载波的偏移信息。
- 根据权利要求5所述的参考信号的传输方法,其中,每个所述DMRS端口为预设DMRS端口组中的端口;其中,同一预设DMRS端口组内的DMRS端口占用的子载波相同,不同预设DMRS端口组内的DMRS端口占用的子载波不同。
- 一种参考信号的传输方法,应用于终端,包括:获取基站通过隐式或显式的方式指示的目标子载波的位置信息,所述目标子载波为目标解调参考信号DMRS端口占用的子载波中,用于映射目标相位跟踪参考信号PTRS端口的子载波,目标DMRS端口为目标PTRS端口对应的DMRS端口;根据所述位置信息,确定目标子载波。
- 根据权利要求7所述的参考信号的传输方法,其中,还包括:在所述目标子载波上获取PTRS,并根据PTRS进行相位噪声估计。
- 根据权利要求7所述的参考信号的传输方法,其中,所述根据所述位置信息,确定目标子载波的步骤,包括:确定与目标PTRS端口对应的目标DMRS端口;根据所述位置信息,在所述目标DMRS端口占用的子载波中,确定目标子载波。
- 根据权利要求7所述的参考信号的传输方法,其中,获取基站通过显式的方式指示的目标子载波的位置信息,包括:获取基站通过信令发送的位置信息;所述位置信息包括:所述目标DMRS端口对应的预设参考子载波与所述目标子载波的偏移信息。
- 根据权利要求7所述的参考信号的传输方法,其中,获取基站通过隐式的方式指示的目标子载波的位置信息,包括:通过协议约定,获取所述目标子载波的位置信息;所述位置信息包括:每个DMRS端口所占用的子载波中用于映射PTRS端口的子载波的位置;或者,每个DMRS端口所占用的子载波中用于映射PTRS端口的子载波与该DMRS端口对应的预设参考子载波的偏移信息。
- 根据权利要求7所述的参考信号的传输方法,其中,每个所述DMRS端口为预设DMRS端口组中的端口;其中,同一预设DMRS端口组内的DMRS端口占用的子载波相同,不同 预设DMRS端口组内的DMRS端口占用的子载波不同。
- 一种基站,包括:收发机、存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序,其中,所述处理器执行所述计算机程序时实现以下步骤:通过隐式或显式的方式,将目标解调参考信号DMRS端口所占用的子载波中,用于映射目标相位跟踪参考信号PTRS端口的目标子载波的位置信息指示给终端,目标DMRS端口为目标PTRS端口对应的DMRS端口。
- 根据权利要求13所述的基站,其中,所述处理器执行所述计算机程序时还可实现以下步骤:在所述目标子载波上通过收发机向所述终端传输PTRS。
- 根据权利要求13所述的基站,其中,所述处理器执行所述计算机程序时还可实现以下步骤:通过信令将所述位置信息利用收发机发送给所述终端;所述位置信息包括:所述目标DMRS端口对应的预设参考子载波与所述目标子载波的偏移信息。
- 根据权利要求15所述的基站,其中,所述处理器执行所述计算机程序时还可实现以下步骤:在目标DMRS端口所占用的子载波中,选取用于映射PTRS端口的目标子载波;确定所述目标子载波与所述预设参考子载波的偏移信息。
- 根据权利要求13所述的基站,其中,所述处理器执行所述计算机程序时还可实现以下步骤:通过协议约定将所述位置信息指示给所述终端;所述位置信息包括:每个DMRS端口所占用的子载波中用于映射PTRS端口的子载波的位置;或者,每个DMRS端口所占用的子载波中用于映射PTRS端口的子载波与该DMRS端口对应的预设参考子载波的偏移信息。
- 根据权利要求17所述的基站,其中,每个所述DMRS端口为预设DMRS端口组中的端口;其中,同一预设DMRS端口组内的DMRS端口占用的子载波相同,不同 预设DMRS端口组内的DMRS端口占用的子载波不同。
- 一种计算机可读存储介质,其上存储有计算机程序,其中,该计算机程序被处理器执行时实现以下步骤:通过隐式或显式的方式,将目标解调参考信号DMRS端口所占用的子载波中,用于映射目标相位跟踪参考信号PTRS端口的目标子载波的位置信息指示给终端,目标DMRS端口为目标PTRS端口对应的DMRS端口。
- 一种终端,包括:收发机、存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序,其中,所述处理器执行所述计算机程序时实现以下步骤:获取基站通过隐式或显式的方式指示的目标子载波的位置信息,所述目标子载波为目标解调参考信号DMRS端口占用的子载波中,用于映射目标相位跟踪参考信号PTRS端口的子载波,目标DMRS端口为目标PTRS端口对应的DMRS端口;根据所述位置信息,确定目标子载波。
- 根据权利要求20所述的终端,其中,所述处理器执行所述计算机程序时还可实现以下步骤:在所述目标子载波上获取PTRS,并根据PTRS进行相位噪声估计。
- 根据权利要求20所述的终端,其中,所述处理器执行所述计算机程序时还可实现以下步骤:确定与目标PTRS端口对应的目标DMRS端口;根据所述位置信息,在所述目标DMRS端口占用的子载波中,确定目标子载波。
- 根据权利要求20所述的终端,其中,所述处理器执行所述计算机程序时还可实现以下步骤:利用收发机获取基站通过信令发送的位置信息;所述位置信息包括:所述目标DMRS端口对应的预设参考子载波与所述目标子载波的偏移信息。
- 根据权利要求20所述的终端,其中,所述处理器执行所述计算机程序时还可实现以下步骤:通过协议约定,获取所述目标子载波的位置信息;所述位置信息包括:每个DMRS端口所占用的子载波中用于映射PTRS端口的子载波的位置;或者,每个DMRS端口所占用的子载波中用于映射PTRS端口的子载波与该DMRS端口对应的预设参考子载波的偏移信息。
- 根据权利要求20所述的终端,其中,每个所述DMRS端口为预设DMRS端口组中的端口;其中,同一预设DMRS端口组内的DMRS端口占用的子载波相同,不同预设DMRS端口组内的DMRS端口占用的子载波不同。
- 一种计算机可读存储介质,其上存储有计算机程序,其中,该计算机程序被处理器执行时实现以下步骤:获取基站通过隐式或显式的方式指示的目标子载波的位置信息,所述目标子载波为目标解调参考信号DMRS端口占用的子载波中,用于映射目标相位跟踪参考信号PTRS端口的子载波,目标DMRS端口为目标PTRS端口对应的DMRS端口;根据所述位置信息,确定目标子载波。
- 一种参考信号的传输装置,应用于基站,包括:指示模块,用于通过隐式或显式的方式,将目标解调参考信号DMRS端口所占用的子载波中,用于映射目标相位跟踪参考信号PTRS端口的目标子载波的位置信息指示给终端,目标DMRS端口为目标PTRS端口对应的DMRS端口。
- 根据权利要求27所述的参考信号的传输装置,其中,所述指示模块包括:第一指示子模块,用于通过信令将所述位置信息发送给所述终端;所述位置信息包括:所述目标DMRS端口对应的预设参考子载波与所述目标子载波的偏移信息。
- 根据权利要求27所述的参考信号的传输装置,其中,所述指示模块包括:第二指示子模块,用于通过协议约定将所述位置信息指示给所述终端;所述位置信息包括:每个DMRS端口所占用的子载波中用于映射PTRS 端口的子载波的位置;或者,每个DMRS端口所占用的子载波中用于映射PTRS端口的子载波与该DMRS端口对应的预设参考子载波的偏移信息。
- 根据权利要求29所述的参考信号的传输装置,其中,每个所述DMRS端口为预设DMRS端口组中的端口;其中,同一预设DMRS端口组内的DMRS端口占用的子载波相同,不同预设DMRS端口组内的DMRS端口占用的子载波不同。
- 一种参考信号的传输装置,应用于终端,,包括:获取模块,用于获取基站通过隐式或显式的方式指示的目标子载波的位置信息,所述目标子载波为目标解调参考信号DMRS端口占用的子载波中,用于映射目标相位跟踪参考信号PTRS端口的子载波,目标DMRS端口为目标PTRS端口对应的DMRS端口;确定模块,用于根据所述位置信息,确定目标子载波。
- 根据权利要求31所述的参考信号的传输装置,其中,所述获取模块包括:第一获取子模块,用于获取基站通过信令发送的位置信息;所述位置信息包括:所述目标DMRS端口对应的预设参考子载波与所述目标子载波的偏移信息。
- 根据权利要求31所述的参考信号的传输装置,其中,所述获取模块包括:第二获取子模块,用于通过协议约定,获取所述目标子载波的位置信息;所述位置信息包括:每个DMRS端口所占用的子载波中用于映射PTRS端口的子载波的位置;或者,每个DMRS端口所占用的子载波中用于映射PTRS端口的子载波与该DMRS端口对应的预设参考子载波的偏移信息。
- 根据权利要求31所述的参考信号的传输装置,其中,每个所述DMRS端口为预设DMRS端口组中的端口;其中,同一预设DMRS端口组内的DMRS端口占用的子载波相同,不同预设DMRS端口组内的DMRS端口占用的子载波不同。
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020237013067A KR102808241B1 (ko) | 2017-09-08 | 2018-09-05 | 참조 신호 전송 방법, 장치, 기지국 및 단말 |
| KR1020227009313A KR20220042479A (ko) | 2017-09-08 | 2018-09-05 | 참조 신호 전송 방법, 장치, 기지국 및 단말 |
| KR1020207008387A KR20200039006A (ko) | 2017-09-08 | 2018-09-05 | 참조 신호 전송 방법, 장치, 기지국 및 단말 |
| EP23162387.7A EP4221049A1 (en) | 2017-09-08 | 2018-09-05 | Reference signal transmission method, reference signal transmission device, base station and user equipment |
| JP2020514171A JP7130737B2 (ja) | 2017-09-08 | 2018-09-05 | 参照信号伝送方法、装置、基地局および端末 |
| US16/645,413 US11463219B2 (en) | 2017-09-08 | 2018-09-05 | Reference signal transmission method, reference signal transmission device, base station and user equipment |
| EP18854508.1A EP3681080B1 (en) | 2017-09-08 | 2018-09-05 | Reference signal transmission method, reference signal transmission device, base station and user equipment |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710805104.3A CN109474398B (zh) | 2017-09-08 | 2017-09-08 | 一种参考信号的传输方法、装置、基站及终端 |
| CN201710805104.3 | 2017-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2019047845A1 true WO2019047845A1 (zh) | 2019-03-14 |
Family
ID=65634727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2018/104118 Ceased WO2019047845A1 (zh) | 2017-09-08 | 2018-09-05 | 一种参考信号的传输方法、装置、基站及终端 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US11463219B2 (zh) |
| EP (2) | EP3681080B1 (zh) |
| JP (1) | JP7130737B2 (zh) |
| KR (3) | KR20200039006A (zh) |
| CN (1) | CN109474398B (zh) |
| TW (1) | TWI695610B (zh) |
| WO (1) | WO2019047845A1 (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020207438A1 (zh) * | 2019-04-10 | 2020-10-15 | 电信科学技术研究院有限公司 | 数据传输方法和设备 |
| CN114826839A (zh) * | 2021-01-27 | 2022-07-29 | 大唐移动通信设备有限公司 | 相位噪声补偿方法、终端设备及网络设备 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102414603B1 (ko) * | 2017-09-11 | 2022-06-30 | 삼성전자주식회사 | 무선 통신 시스템에서 위상 잡음을 제거하기 위한 방법 및 장치 |
| US11044062B2 (en) * | 2018-07-13 | 2021-06-22 | Apple Inc. | Methods to determine parameters related to phase tracking reference signals (PT-RS) based on a type of radio network temporary identifier (RNTI) |
| US11811508B2 (en) * | 2018-08-09 | 2023-11-07 | Ntt Docomo, Inc. | Method and device for transmitting reference signals |
| CN111092711A (zh) * | 2019-11-08 | 2020-05-01 | 中兴通讯股份有限公司 | 参考信号的位置确定方法、装置、通信节点和存储介质 |
| WO2023090812A1 (ko) * | 2021-11-17 | 2023-05-25 | 한국전자통신연구원 | 커버리지 확장을 위한 참조 신호의 설정 방법 및 장치 |
| US20250219785A1 (en) * | 2022-03-30 | 2025-07-03 | Beijing Xiaomi Mobile Software Co., Ltd. | Method and apparatus for determining relationship between ptrs port and dmrs port, and medium |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108259145A (zh) * | 2016-12-28 | 2018-07-06 | 电信科学技术研究院 | 一种数据传输方法、发送装置及接收装置 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101706949B1 (ko) * | 2009-08-18 | 2017-02-15 | 엘지전자 주식회사 | 반송파 집성 시스템에서 상향링크 측정을 위한 장치 및 방법 |
| EP2982051B1 (en) * | 2013-04-01 | 2017-05-31 | Panasonic Intellectual Property Corporation of America | Transmission apparatus for control signal mapping |
| JP2019506066A (ja) | 2016-02-09 | 2019-02-28 | テレフオンアクチーボラゲット エルエム エリクソン(パブル) | 受信機性能の改善のための位相雑音トラッキングパイロットへのdmrs構成のマッピングを行うためのシステム及び方法 |
| KR101984607B1 (ko) * | 2016-06-05 | 2019-09-03 | 엘지전자 주식회사 | 무선 통신 시스템에서 위상 잡음 추정을 위한 신호 전송 방법 |
| JP2020057825A (ja) * | 2017-02-02 | 2020-04-09 | シャープ株式会社 | 基地局装置、端末装置、通信方法、および、集積回路 |
| CN110463130B (zh) * | 2017-03-25 | 2022-04-29 | Lg 电子株式会社 | 在无线通信系统中分配相位跟踪参考信号的方法及其装置 |
| WO2018187155A1 (en) * | 2017-04-03 | 2018-10-11 | National Instruments Corporation | Wireless communication system that performs measurement based selection of phase tracking reference signal (ptrs) ports |
| EP4550902A3 (en) * | 2017-08-11 | 2025-05-14 | Lenovo (Beijing) Limited | Determining an association between dmrs and ptrs |
| RU2754431C1 (ru) * | 2017-11-17 | 2021-09-02 | Телефонактиеболагет Лм Эрикссон (Пабл) | Методика для конфигурирования опорного сигнала отслеживания фазы |
-
2017
- 2017-09-08 CN CN201710805104.3A patent/CN109474398B/zh active Active
-
2018
- 2018-09-04 TW TW107130943A patent/TWI695610B/zh active
- 2018-09-05 EP EP18854508.1A patent/EP3681080B1/en active Active
- 2018-09-05 KR KR1020207008387A patent/KR20200039006A/ko not_active Ceased
- 2018-09-05 WO PCT/CN2018/104118 patent/WO2019047845A1/zh not_active Ceased
- 2018-09-05 KR KR1020237013067A patent/KR102808241B1/ko active Active
- 2018-09-05 KR KR1020227009313A patent/KR20220042479A/ko not_active Ceased
- 2018-09-05 US US16/645,413 patent/US11463219B2/en active Active
- 2018-09-05 JP JP2020514171A patent/JP7130737B2/ja active Active
- 2018-09-05 EP EP23162387.7A patent/EP4221049A1/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108259145A (zh) * | 2016-12-28 | 2018-07-06 | 电信科学技术研究院 | 一种数据传输方法、发送装置及接收装置 |
Non-Patent Citations (4)
| Title |
|---|
| CATT: "Rl-1712385: Considerations on RS for Phase Tracking", 3GPP TSG RAN WG1 MEETING, 25 August 2017 (2017-08-25), XP051315201 * |
| NATIONAL INSTRUMENTS: "Rl-1708272: Discussion on Explicit and Implicit Sig- naling for PT -RS", 3GPP TSG RAN WG1 MEETING #89, 19 May 2017 (2017-05-19), XP051273465 * |
| SAMSUNG: "DL PT -RS Design", 3GPP TSG RAN WG1 #90, vol. RAN WG1, 20 August 2017 (2017-08-20), Prague, Czech, pages 1 - 5, XP051316405 * |
| See also references of EP3681080A4 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020207438A1 (zh) * | 2019-04-10 | 2020-10-15 | 电信科学技术研究院有限公司 | 数据传输方法和设备 |
| US12069592B2 (en) | 2019-04-10 | 2024-08-20 | Datang Mobile Communications Equipment Co., Ltd. | Data transmission method and device |
| CN114826839A (zh) * | 2021-01-27 | 2022-07-29 | 大唐移动通信设备有限公司 | 相位噪声补偿方法、终端设备及网络设备 |
| CN114826839B (zh) * | 2021-01-27 | 2024-11-05 | 大唐移动通信设备有限公司 | 相位噪声补偿方法、终端设备及网络设备 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR102808241B1 (ko) | 2025-05-14 |
| EP4221049A1 (en) | 2023-08-02 |
| EP3681080B1 (en) | 2023-05-10 |
| US11463219B2 (en) | 2022-10-04 |
| KR20230054510A (ko) | 2023-04-24 |
| JP2020533878A (ja) | 2020-11-19 |
| JP7130737B2 (ja) | 2022-09-05 |
| US20200287687A1 (en) | 2020-09-10 |
| CN109474398A (zh) | 2019-03-15 |
| KR20220042479A (ko) | 2022-04-05 |
| EP3681080A1 (en) | 2020-07-15 |
| EP3681080A4 (en) | 2020-11-04 |
| TW201914252A (zh) | 2019-04-01 |
| TWI695610B (zh) | 2020-06-01 |
| KR20200039006A (ko) | 2020-04-14 |
| CN109474398B (zh) | 2020-12-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109474398B (zh) | 一种参考信号的传输方法、装置、基站及终端 | |
| CN109150429B (zh) | 相位跟踪参考信号的传输方法、接收方法及装置 | |
| CN110166194B (zh) | 一种导频信号生成方法及装置 | |
| CN109586868B (zh) | 信息传输方法、装置、发送设备及计算机可读存储介质 | |
| WO2019196666A1 (zh) | 一种定位参考信号传输方法及装置 | |
| IL264474B2 (en) | Information transmission method and information transmission device | |
| WO2018228433A1 (zh) | 一种公共下行控制信道的传输方法和相关设备 | |
| CN114650599A (zh) | 信息传输方法、装置、iab节点及网络设备 | |
| US20180123760A1 (en) | Method and Apparatus for Transmitting Demodulation Reference Signals and System | |
| WO2019019834A1 (zh) | 一种信号处理方法、装置、设备及计算机可读存储介质 | |
| WO2018028654A1 (zh) | 参考信号映射方法及装置 | |
| WO2018177022A1 (zh) | 一种预编码颗粒度的确定方法和装置 | |
| CN108809877B (zh) | 一种解调参考信号的传输方法、装置、基站及终端 | |
| WO2022048637A1 (zh) | 导频处理方法及相关设备 | |
| WO2021088917A1 (zh) | 参考信号的位置确定方法、装置、通信节点和存储介质 | |
| WO2022193895A1 (zh) | 信道状态信息报告方法、信道状态信息接收方法、通信节点及存储介质 | |
| US11252003B2 (en) | Sequence-based signal processing method and apparatus | |
| WO2019029296A1 (zh) | 同步信号块传输信息的指示、确定方法、基站及终端 | |
| WO2018028397A1 (zh) | 解调参考信号的资源映射方法、基站、终端及存储媒介 | |
| CN109150428B (zh) | 一种信号传输方法、装置及基站 | |
| CN113162881B (zh) | 一种序列的生成及处理方法和装置 | |
| WO2022041081A1 (zh) | 通信方法及装置 | |
| WO2017054514A1 (zh) | 导频的配置方法及装置 | |
| CN105790908B (zh) | 数据传输、数据处理方法及装置 | |
| WO2018171675A1 (zh) | 一种参考信号发送、接收方法及装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 18854508 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 2020514171 Country of ref document: JP Kind code of ref document: A |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| ENP | Entry into the national phase |
Ref document number: 20207008387 Country of ref document: KR Kind code of ref document: A |
|
| ENP | Entry into the national phase |
Ref document number: 2018854508 Country of ref document: EP Effective date: 20200408 |


