CN111819814B - Communication method, communication device, network side equipment, terminal and storage medium - Google Patents
Communication method, communication device, network side equipment, terminal and storage medium Download PDFInfo
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- CN111819814B CN111819814B CN202080001202.1A CN202080001202A CN111819814B CN 111819814 B CN111819814 B CN 111819814B CN 202080001202 A CN202080001202 A CN 202080001202A CN 111819814 B CN111819814 B CN 111819814B
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
Abstract
The disclosure relates to a communication method, a communication device, a network side device, a terminal and a storage medium, and belongs to the technical field of communication. The method comprises the following steps: determining a first antenna port and a second antenna port in a terminal, wherein the first antenna port and the second antenna port are different antenna ports; the first antenna port and first network side equipment are adopted for positioning purpose reference signal transmission; and when the positioning purpose reference signal is transmitted, the second antenna port and second network side equipment are adopted to carry out uplink and downlink data transmission.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a communication method, an apparatus, a network side device, a terminal, and a storage medium.
Background
The Positioning Reference Signal includes a Positioning Reference Signal (PRS) and a Sounding Reference Signal (SRS). The positioning purpose reference signal is used for transmitting between the terminal and the network side equipment, and then one side measures the positioning purpose reference signal, so as to determine the position of the terminal and realize the positioning of the terminal.
Disclosure of Invention
The embodiment of the disclosure provides a communication method, a communication device, network side equipment, a terminal and a storage medium, which can improve the transmission throughput of the terminal and the network side. The technical scheme is as follows:
according to an aspect of the embodiments of the present disclosure, there is provided a communication method, the method including:
determining a first antenna port and a second antenna port in a terminal, wherein the first antenna port and the second antenna port are different antenna ports;
the first antenna port and first network side equipment are adopted for positioning purpose reference signal transmission;
and when the positioning purpose reference signal is transmitted, the second antenna port and second network side equipment are adopted to carry out uplink and downlink data transmission.
Optionally, the determining a first antenna port and a second antenna port in the terminal includes:
determining a first antenna port in the terminal based on configuration information, protocol definition or local storage;
and taking other antenna ports except the first antenna port in the terminal as the second antenna port.
Optionally, the configuration information includes an index of the first antenna port, or the configuration information includes a reference signal or a reference signal set index transmitted through the first antenna port.
Optionally, the performing, by using the first antenna port and the first network-side device, the reference signal transmission for positioning purpose includes:
and in a measurement interval, the first antenna port and the first network side equipment are adopted to transmit the positioning purpose reference signal.
Optionally, the method further comprises:
determining the measurement interval.
Optionally, the determining the measurement interval comprises:
receiving measurement interval configuration information and/or a time domain resource position of the positioning use reference signal, wherein the measurement interval configuration information is used for indicating a position of a measurement interval in each period, and the time domain resource position of the positioning use reference signal is used for indicating a time unit used for transmitting the positioning use reference signal;
determining the measurement interval based on the measurement interval configuration information and/or a time domain resource location of the positioning use reference signal.
Optionally, the receiving the measurement interval configuration information and/or the time domain resource location of the positioning use reference signal includes:
receiving at least one of a system message, a radio resource control message and an LTE positioning protocol message, where the system message, the radio resource control message or the LTE positioning protocol message carries the measurement interval configuration information and/or the time domain resource location of the positioning purpose reference signal.
Optionally, the number of first antenna ports in the terminal is greater than 1, and the measurement intervals corresponding to different first antenna ports are the same or different.
Optionally, the performing, by using the second antenna port, uplink and downlink data transmission with the second network side device includes:
receiving, by using the second antenna port, a synchronization signal block, a physical downlink control channel, a physical downlink shared channel, a non-zero power channel state information reference signal and/or a positioning reference signal sent by the second network side device;
or, the performing, by using the second antenna port, uplink and downlink data transmission with the second network side device includes:
and sending a physical uplink control channel, a physical uplink shared channel, a physical random access channel and/or a sounding reference signal to the second network side equipment by adopting the second antenna port.
Optionally, the subcarrier spacing of the bandwidth part used by the first antenna port is different from the subcarrier spacing of the bandwidth part used by the second antenna port.
According to another aspect of the embodiments of the present disclosure, there is provided a communication method, the method including:
sending configuration information, the configuration information is used for indicating a first antenna port and a second antenna port in a terminal, the first antenna port and the second antenna port are different antenna ports, the terminal is configured to adopt the first antenna port and first network side equipment to transmit positioning purpose reference signals, and in transmission of the positioning purpose reference signals, the second antenna port and second network side equipment are adopted to transmit uplink and downlink data.
Optionally, the configuration information includes an index of the first antenna port, or the configuration information includes a reference signal or a reference signal set index transmitted through the first antenna port.
Optionally, the method further comprises:
and transmitting a positioning purpose reference signal with the terminal, wherein the positioning purpose reference signal is transmitted by the terminal through a first antenna port.
Optionally, the performing positioning reference signal transmission with the terminal includes:
and transmitting the positioning purpose reference signal with the terminal in a measurement interval.
Optionally, the method further comprises:
and sending measurement interval configuration information and/or a time domain resource position of the positioning purpose reference signal to the terminal, wherein the measurement interval configuration information is used for indicating the position of a measurement interval in each period, and the time domain resource position of the positioning purpose reference signal is used for indicating a time unit used for transmitting the positioning purpose reference signal.
Optionally, the sending, to the terminal, measurement interval configuration information and/or a time domain resource location of the positioning use reference signal includes:
and sending at least one of a system message, a radio resource control message and an LTE positioning protocol message, wherein the system message, the radio resource control message or the LTE positioning protocol message carries the measurement interval configuration information and/or the time domain resource position of the positioning purpose reference signal.
Optionally, the method further comprises:
and carrying out uplink and downlink data transmission with the terminal, wherein the uplink and downlink data are transmitted by the terminal through a second antenna port.
Optionally, the performing uplink and downlink data transmission with the terminal includes:
sending a synchronization signal block, a physical downlink control channel, a physical downlink shared channel, a non-zero power channel state information reference signal and/or a positioning reference signal to the terminal;
or, performing uplink and downlink data transmission with the terminal, including:
and receiving a physical uplink control channel, a physical uplink shared channel, a physical random access channel and/or a sounding reference signal sent by the terminal.
According to another aspect of the embodiments of the present disclosure, there is provided a communication apparatus, the apparatus including:
a determining module configured to determine a first antenna port and a second antenna port in a terminal, the first antenna port and the second antenna port being different antenna ports;
a first transmission module configured to perform positioning purpose reference signal transmission with a first network side device by using the first antenna port;
and the second transmission module is configured to perform uplink and downlink data transmission with a second network side device by using the second antenna port when transmitting the positioning purpose reference signal.
According to another aspect of the embodiments of the present disclosure, there is provided a communication apparatus, the apparatus including:
a sending module, configured to send configuration information, where the configuration information is used to indicate a first antenna port and a second antenna port in a terminal, where the first antenna port and the second antenna port are different antenna ports, and the terminal is configured to perform positioning purpose reference signal transmission with a first network side device by using the first antenna port, and perform uplink and downlink data transmission with a second network side device by using the second antenna port when transmitting the positioning purpose reference signal.
According to another aspect of the embodiments of the present disclosure, there is provided a terminal, including: a processor; a memory for storing processor-executable instructions; wherein the processor is configured to load and execute the executable instructions to implement the aforementioned communication method.
According to another aspect of the embodiments of the present disclosure, a network side device is provided, where the network side device includes: a processor; a memory for storing processor-executable instructions; wherein the processor is configured to load and execute the executable instructions to implement the aforementioned communication method.
According to another aspect of embodiments of the present disclosure, there is provided a computer-readable storage medium in which instructions are executable by a processor to perform the communication method as described above.
In the embodiment of the present disclosure, the first antenna port and the second antenna port are determined first, and then the first antenna port is used to perform positioning purpose reference signal transmission, and meanwhile the second antenna port is used to perform uplink and downlink data transmission. Therefore, in the process of transmitting the positioning purpose reference signal to position the terminal, the second antenna port can still be adopted to transmit other data, the transmission of the data is not required to be interrupted, and the throughput is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a block diagram of a communication system provided by an exemplary embodiment of the present disclosure;
FIG. 2 is a flow chart illustrating a method of communication according to an example embodiment;
FIG. 3 is a flow chart illustrating a method of communication according to an example embodiment;
FIG. 4 is a flow chart illustrating a method of communication according to an example embodiment;
FIG. 5 is a schematic diagram illustrating a structure of a communication device in accordance with an exemplary embodiment;
FIG. 6 is a schematic diagram illustrating a structure of a communication device in accordance with an exemplary embodiment;
FIG. 7 is a block diagram illustrating a terminal in accordance with an exemplary embodiment;
fig. 8 is a block diagram illustrating a network-side device in accordance with an example embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The terminology used in the embodiments of the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present disclosure. As used in the disclosed embodiments and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information in the embodiments of the present disclosure, such information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of embodiments of the present disclosure. The words "if" and "if," as used herein, may be interpreted as "at … …" or "when … …" or "in response to a determination," depending on the context.
It should be understood that although steps are illustrated in the disclosed embodiments as numbered for ease of understanding, the numbers do not represent the order in which the steps are performed, nor do they represent that the steps numbered in order must be performed together. It should be understood that one or several of the steps numbered in sequence may be individually performed to solve the corresponding technical problem and achieve a predetermined technical solution. Even though illustrated in the figures as a plurality of steps listed together, does not necessarily indicate that the steps must be performed together; the figures are merely exemplary to list the steps together for ease of understanding.
Fig. 1 is a block diagram illustrating a communication system provided by an exemplary embodiment of the present disclosure, and as shown in fig. 1, the communication system may include: a network side 12 and a terminal 13.
Network side 12 includes a number of network side devices 120 therein. The network side device 120 may be a base station, which is a device deployed in an access network to provide a wireless communication function for a terminal. The base station may be a base station of a serving cell of the terminal 13 or a base station of a serving cell adjacent to the serving cell of the terminal 13. The base station may include various forms of macro base stations, micro base stations, relay stations, access points, Transmission Reception Points (TRPs), and the like. In systems using different Radio access technologies, names of devices having a base station function may be different, and in a 5G New air interface (NR) system, it is called a gbnodeb or a gNB. The name "base station" may describe, and may vary as communication technology evolves. Network-side device 120 may also be a Location Management Function (LMF).
The terminal 13 may include various handheld devices, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to a wireless modem with wireless communication functions, as well as various forms of user equipment, Mobile Stations (MS), terminals, Internet of Things devices (Internet of Things, IoT), industrial Internet of Things devices (industryiinternet of Things, IIoT), and so on. For convenience of description, the above-mentioned devices are collectively referred to as a terminal. The network side device 120 and the terminal 13 communicate with each other through some air interface technology, for example, a Uu interface.
When a positioning purpose reference signal is transmitted on a non-active BandWidth Part (BWP) of a terminal or on an active BWP different from a currently used active BWP SubCarrier Spacing (SCS), a measurement interval (measurement gap) needs to be configured for the terminal so that the terminal can transmit and measure the positioning reference signal in the measurement interval.
In the related art, the measurement interval is configured based on the terminal, that is, after the terminal receives the measurement interval, all antenna ports are disconnected from transmission on the original active bandwidth part, the antenna ports which are partially preconfigured perform transmission and measurement of the positioning purpose reference signal, and the other part of the antenna ports do not perform transmission of the positioning purpose reference signal nor perform other signal transmission.
The communication system and the service scenario described in the embodiment of the present disclosure are for more clearly illustrating the technical solution of the embodiment of the present disclosure, and do not constitute a limitation to the technical solution provided in the embodiment of the present disclosure, and as a person having ordinary skill in the art knows that along with the evolution of the communication system and the appearance of a new service scenario, the technical solution provided in the embodiment of the present disclosure is also applicable to similar technical problems.
Fig. 2 is a flow chart illustrating a method of communication according to an example embodiment. Referring to fig. 2, the method comprises the steps of:
in step 101, a terminal determines a first antenna port and a second antenna port in the terminal, where the first antenna port and the second antenna port are different antenna ports.
In step 101, the antenna port may refer to a logical antenna port (antenna port) in the terminal.
In step 102, the terminal performs positioning purpose reference signal transmission with the first network side device by using the first antenna port, and simultaneously performs uplink and downlink data transmission with the second network side device by using the second antenna port.
That is, when the terminal transmits the positioning purpose reference signal, the terminal performs uplink and downlink data transmission by using the second antenna port and the second network side device.
Here, the positioning-use reference signal may be the aforementioned PRS or SRS. For example, the terminal sends the SRS to the first network side device through the first antenna port, or the terminal receives the PRS sent by the first network side device through the first antenna port.
And when the terminal adopts the first antenna port and the first network side equipment to transmit the positioning purpose reference signal, the terminal adopts the second antenna port and the second network side equipment to perform uplink and downlink data transmission. That is, when the terminal transmits the positioning reference signal in the measurement interval, the uplink and downlink data transmission is not interrupted.
In this embodiment of the present disclosure, the first network-side device and the second network-side device may be the same device or different devices.
In the embodiment of the present disclosure, the first antenna port and the second antenna port are determined first, then the first antenna port is adopted to perform positioning purpose reference signal transmission, and meanwhile, the second antenna port is adopted to perform uplink and downlink data transmission. Therefore, in the process of transmitting the positioning purpose reference signal to position the terminal, the second antenna port can still be adopted to transmit other data, the transmission of the data is not required to be interrupted, and the throughput is improved.
Optionally, determining a first antenna port and a second antenna port in the terminal includes:
determining a first antenna port in the terminal based on configuration information, protocol definition or local storage;
and taking other antenna ports except the first antenna port in the terminal as second antenna ports.
Here, the configuration information may be sent to the terminal by a network side device, where the network side device includes, but is not limited to, a location management function entity and a network side device in a serving cell of the terminal.
Optionally, the configuration information includes an index of the first antenna port, or the configuration information includes a reference signal or a reference signal set index transmitted through the first antenna port.
The Index (Index) of the antenna port corresponds to the antenna port, and the indexes of the antenna ports are stored in the terminal and the network side device at the same time, and at this time, the antenna port can be indicated only by carrying the Index in the configuration information.
In addition, the first antenna port may be identified by a reference signal transmitted by the first antenna port, for example, when the first antenna port transmits the SRS1, an index of the SRS1 is carried in the configuration information, that is, which terminal is the first antenna port may be indicated. Alternatively, the first antenna port is transmitted through SRS1 and SRS2, and at this time, an index of a set including SRS1 and SRS2 is carried in the configuration information, so as to indicate which terminal is the first antenna port. In this case, the indexes of the various reference signal sets are known to both the terminal and the network side device.
Reference signals in the "configuration Information includes Reference signals or Reference Signal set indexes transmitted through the first antenna port" include, but are not limited to, a Synchronization Signal Block (SSB), a Channel State Information-Reference Signal (CSI-RS), a PRS, an SRS, and the like.
Through the several modes, the mode of indicating the first antenna port is simple, and resources required by transmission are few.
Optionally, the performing, by using the first antenna port and the first network-side device, positioning-use reference signal transmission includes:
and in a measurement interval, the first antenna port and the first network side equipment are adopted to transmit the positioning purpose reference signal.
Optionally, the method further comprises:
determining the measurement interval.
Since the terminal needs to transmit the positioning reference signal at the measurement interval, the terminal needs to determine the position of the measurement interval first.
Optionally, determining the measurement interval comprises:
receiving measurement interval configuration information and/or a time domain resource location of the positioning use reference signal;
determining the measurement interval based on the measurement interval configuration information and/or a time domain resource location of the positioning use reference signal.
Wherein the measurement interval configuration information is used for indicating the position of the measurement interval in each period. For example, the transmission of the positioning purpose reference signal is performed periodically, the transmission period is 40, 80, 160 ms, etc., and the measurement interval configuration information may be used to indicate which several ms are used to transmit the positioning purpose reference signal in each period, such as the first 6 ms of each period. Then the first antenna port is not available for other data transmissions and only for the transmission of reference signals for positioning purposes during these 6 milliseconds of each cycle of the terminal.
Wherein a time domain resource location of the positioning use reference signal is used to indicate a time unit used for transmitting the positioning use reference signal. The parameter indicating the time-domain position of the reference signal for positioning purpose comprises one or more of the following combinations: time domain period, initial time slot position, initial symbol position, occupying several symbols, resource repetition times within a period, time interval between every two repetitions. For example, it is indicated that the positioning reference signal is transmitted at the second symbol (symbol) of the second slot (slot), where the slot and the symbol are the time units. The time to transmit the positioning-purpose reference signal, i.e. the preceding measurement interval. The terminal only needs to use the first antenna port to transmit the positioning reference signal in the symbol actually transmitting the positioning reference signal, and for example, in other symbols of the time slot in which the symbol for positioning reference signal transmission is located, the terminal may use the first antenna port to perform other data transmission. Therefore, the transmission of the positioning purpose reference signal is performed by the time domain resource location indication of the positioning purpose reference signal relative to the measurement interval indicated by the measurement configuration information, which is more beneficial to other data transmission without affecting the transmission of the positioning purpose reference signal.
Here, the network side device may notify only the position of the terminal measurement interval in each period, may notify only which symbol the terminal measurement interval is specifically in, or may notify both of the positions to the terminal.
Here, the measurement interval configuration information and/or the time domain resource location of the positioning reference signal may be transmitted together with the aforementioned configuration information. For example, the same signaling or message is used to carry the configuration information and at least one of the measurement interval configuration information and the time domain resource location of the positioning purpose reference signal.
Optionally, receiving measurement interval configuration information and/or a time domain resource location of the positioning use reference signal includes:
receiving at least one of a system message, a Radio Resource Control (RRC) message, and an LTE Positioning Protocol (LPP) message, where the system message, the RRC message, or the LPP message carries the measurement interval configuration information and/or the time domain Resource location of the Positioning purpose reference signal.
The System message may refer to a System Information Block (SIB), which is generally broadcast by the base station.
Optionally, the number of first antenna ports in the terminal is greater than 1, and the measurement intervals corresponding to different first antenna ports are the same or different.
Since a plurality of network-side devices are generally required to perform positioning on a terminal at the same time, the number of first antenna ports in the terminal is generally greater than 1, so that the terminal can transmit positioning-purpose reference signals with several different network-side devices. When there are multiple first antenna ports, the measurement intervals of the multiple first antenna ports may be the same or different.
Optionally, the performing, by using the second antenna port and the second network side device, uplink and downlink data transmission includes:
receiving, by using the second antenna port, a synchronization Signal block, a Physical Downlink Control Channel (PDCCH), a Physical Downlink Shared Channel (PDSCH), a Non-Zero Power Channel State Information-Reference Signal (NZP CSI-RS) and/or a positioning Reference Signal, which are/is sent by the second network side device;
or, the performing uplink and downlink data transmission with the second network side device by using the second antenna port includes:
and transmitting a Physical Uplink Control Channel (PUCCH), a Physical Uplink Shared Channel (PUSCH), a Physical Random Access Channel (PRACH), and/or a sounding reference signal to the second network side device using the second antenna port.
For example, when performing downlink transmission, the terminal may transmit one of the PDCCH, the PDSCH, the NZP CSI-RS, and the positioning reference signal through the second antenna port, or may simultaneously transmit two or more of the PDCCH, the PDSCH, the NZP CSI-RS, and the positioning reference signal. For example, two or more second antenna ports may exist in the terminal at the same time, and at this time, the two or more second antenna ports may be used to transmit two or more of the signals, or a plurality of second antenna ports may transmit the same type of signal, which is not limited in this disclosure. The uplink transmission situation is similar to the downlink transmission situation, and details are not described here.
Optionally, a subcarrier spacing of the bandwidth part used by the first antenna port is different from a subcarrier spacing of the bandwidth part used by the second antenna port.
It should be noted that, the foregoing steps 101 to 102 and the foregoing optional steps may be combined arbitrarily.
Fig. 3 is a flow chart illustrating a method of communication according to an example embodiment. Referring to fig. 3, the method comprises the steps of:
in step 201, the network side device sends configuration information.
Illustratively, the configuration information is used to indicate a first antenna port and a second antenna port in the terminal. The first antenna port and the second antenna port are different antenna ports, the terminal is configured to adopt the first antenna port and the first network side device to perform positioning purpose reference signal transmission, and when the positioning purpose reference signal is transmitted, adopt the second antenna port and the second network side device to perform uplink and downlink data transmission.
In the embodiment of the present disclosure, the configuration information is sent to the terminal through the network side device, so that the terminal can determine the first antenna port and the second antenna port, and then perform positioning purpose reference signal transmission by using the first antenna port, and perform uplink and downlink data transmission by using the second antenna port. Therefore, in the process of transmitting the positioning purpose reference signal to position the terminal, the second antenna port can still be adopted to transmit other data, the transmission of the data is not required to be interrupted, and the throughput is improved.
Optionally, the configuration information includes an index of the first antenna port, or the configuration information includes a reference signal or a reference signal set index transmitted through the first antenna port.
Optionally, the method further comprises:
and transmitting a positioning purpose reference signal with the terminal, wherein the positioning purpose reference signal is transmitted by the terminal through the first antenna port.
Optionally, the performing positioning reference signal transmission with the terminal includes:
and transmitting the positioning reference signal with the terminal in a measurement interval.
Optionally, the method further comprises:
and sending measurement interval configuration information and/or a time domain resource position of the positioning purpose reference signal to the terminal, wherein the measurement interval configuration information is used for indicating the position of a measurement interval in each period, and the time domain resource position of the positioning purpose reference signal is used for indicating a time unit used for transmitting the positioning purpose reference signal.
Optionally, the sending, to the terminal, measurement interval configuration information and/or a time domain resource location of the positioning use reference signal includes:
and sending at least one of a system message, an RRC message and an LPP message, wherein the system message, the RRC message or the LPP message carries the measurement interval configuration information and/or the time domain resource position of the positioning purpose reference signal.
Optionally, the method further comprises:
and carrying out uplink and downlink data transmission with the terminal, wherein the uplink and downlink data are transmitted by the terminal through a second antenna port.
Optionally, performing uplink and downlink data transmission with the terminal, including:
sending a synchronization signal block, a physical downlink control channel, a physical downlink shared channel, a non-zero power channel state information reference signal and/or a positioning reference signal to the terminal;
or, performing uplink and downlink data transmission with the terminal, including:
and receiving a physical uplink control channel, a physical uplink shared channel, a physical random access channel and/or a sounding reference signal sent by the terminal.
It should be noted that, the foregoing step 201 and the foregoing optional steps may be combined arbitrarily.
Fig. 4 is a flow chart illustrating a method of communication according to an example embodiment. Referring to fig. 4, the method includes the steps of:
in step 301, the network side device sends configuration information. The terminal receives the configuration information.
In this step, the network side device may first determine the configuration information, that is, determine the first antenna port of the terminal, and the mode in which the network side device determines the first antenna port may be executed according to a predetermined rule or based on information of the antenna port of the terminal, which is not limited in this application.
Illustratively, the configuration information includes an index of the first antenna port, or the configuration information includes a reference signal or reference signal set index transmitted through the first antenna port.
The Index (Index) of the antenna port corresponds to the antenna port, and the indexes of the antenna ports are stored in the terminal and the network side device at the same time, and at this time, the antenna port can be indicated only by carrying the Index in the configuration information.
In addition, the first antenna port may be identified by a reference signal transmitted by the first antenna port, for example, when the first antenna port transmits the SRS1, an index of the SRS1 is carried in the configuration information, that is, which terminal is the first antenna port may be indicated. Alternatively, the first antenna port is transmitted through SRS1 and SRS2, and at this time, an index of a set including SRS1 and SRS2 is carried in the configuration information, so as to indicate which terminal is the first antenna port. In this case, the indexes of the various reference signals or the indexes of the reference signal sets are known to both the terminal and the network side device.
The reference signals include, but are not limited to, SSBs, CSI-RS, PRS, SRS, etc.
Through the several modes, the mode of indicating the first antenna port is simple, and resources required by transmission are few.
In the embodiment of the present disclosure, the configuration information may be transmitted through at least one of a system message, an RRC message, and an LPP message.
In step 302, the terminal determines a first antenna port in the terminal based on the configuration information.
When the configuration information includes the index of the first antenna port, the terminal only needs to determine the corresponding first antenna port based on the index of the first antenna port. When the configuration information includes the reference signal or the reference signal set index, the terminal may determine the corresponding antenna port based on the historical transmission condition of each antenna port. In this case, the terminal needs to store the cases of transmitting the reference signals by the antenna ports, which may be the reference signals transmitted by each port or the reference signal set index.
In the embodiment of the present disclosure, the terminal is a first antenna port determined based on configuration information sent by the network side device. In other embodiments, the terminal may also determine the first antenna port in the terminal based on a protocol definition or local storage.
In step 303, the terminal uses the other antenna ports of the terminal except the first antenna port as the second antenna port.
In step 304, the terminal determines the measurement interval.
In an embodiment of the present disclosure, step 304 may include:
receiving measurement interval configuration information and/or a time domain resource position of the positioning use reference signal, wherein the measurement interval configuration information is used for indicating a position of a measurement interval in each period, and the time domain resource position of the positioning use reference signal is used for indicating a time unit used for transmitting the positioning use reference signal; determining the measurement interval based on the measurement interval configuration information and/or a time domain resource location of the positioning use reference signal.
Wherein the measurement interval configuration information is used for indicating the position of the measurement interval in each period. For example, the transmission of the positioning purpose reference signal is performed periodically, the transmission period is 40, 80, 160 ms, etc., and the measurement interval configuration information may be used to indicate which several ms are used to transmit the positioning purpose reference signal in each period, such as the first 6 ms of each period. Then the first antenna port is not available for other data transmissions and is only available for transmission of reference signals for positioning purposes during these 6 milliseconds of each cycle.
Wherein a time domain resource location of the positioning use reference signal is used to indicate a time unit used for transmitting the positioning use reference signal. The parameter indicative of the location-specific reference signal time-domain position comprises a combination of one or more of: time domain period, starting time slot position, starting symbol position, several symbols occupied, resource repetition times within a period, time interval between every two repetitions. For example, it is indicated that the positioning reference signal is transmitted at the second symbol (symbol) of the second slot (slot), where the slot and the symbol are the time units. The time to transmit the positioning-purpose reference signal, i.e. the preceding measurement interval. The terminal only needs to use the first antenna port to transmit the positioning reference signal in the symbol actually transmitting the positioning reference signal, and for example, in other symbols of the time slot in which the symbol for positioning reference signal transmission is located, the terminal may use the first antenna port to perform other data transmission. Therefore, relative to the measurement interval indicated by the measurement configuration information, the time domain resource location indication of the positioning purpose reference signal is used for transmitting the positioning purpose reference signal, which is more beneficial to other uplink and downlink data transmission under the condition of not influencing the transmission of the positioning purpose reference signal.
Here, the network side device may notify only the position of the terminal measurement interval in each period, may notify only which symbol the terminal measurement interval is specifically in, or may notify both of the positions to the terminal.
Here, the measurement interval configuration information and/or the time domain resource location of the positioning reference signal may be transmitted together with the aforementioned configuration information. For example, the same signaling or message is used to carry the configuration information and at least one of the measurement interval configuration information and the time domain resource location of the positioning purpose reference signal.
Illustratively, receiving measurement interval configuration information and/or time domain resource locations of the positioning use reference signals comprises:
and receiving at least one of a system message, an RRC message and an LPP message, wherein the system message, the RRC message or the LPP message carries the measurement interval configuration information and/or the time domain resource position of the positioning purpose reference signal.
The system message herein may refer to SIBs, which are typically broadcast by the base station.
In step 305, in a measurement interval, the terminal performs the positioning purpose reference signal transmission by using the first antenna port and the first network side device, and simultaneously performs uplink and downlink data transmission by using the second antenna port and the second network side device.
Illustratively, the number of the first antenna ports in the terminal is greater than 1, and the measurement intervals corresponding to different first antenna ports are the same or different.
In step 302, a plurality of second antenna ports may be determined, and in step 305, some or all of the plurality of antenna ports may be used for uplink and downlink data transmission, and each second antenna port may communicate with the same or different network-side devices.
In the disclosed embodiment, step 305 may include:
receiving, by using the second antenna port, a synchronization signal block, a physical downlink control channel, a physical downlink shared channel, a non-zero power channel state information reference signal and/or a positioning reference signal sent by the second network side device;
or, the second antenna port is adopted to send a physical uplink control channel, a physical uplink shared channel, a physical random access channel and/or a sounding reference signal to the second network side device.
The second antenna port may perform positioning reference signal and sounding reference signal transmission with the second network side device, where the positioning reference signal and the sounding reference signal may be used for other purposes besides positioning.
Illustratively, the subcarrier spacing of the portion of the bandwidth used by the first antenna port is different from the subcarrier spacing of the portion of the bandwidth used by the second antenna port. For example, when the first antenna port and the second antenna port both use the activated bandwidth portion for signal transmission, the subcarrier spacing of the two antenna ports is different, for example, the second antenna port uses the original subcarrier spacing, and the subcarrier spacing is different from the subcarrier spacing used by the first antenna port for transmitting the positioning purpose reference signal. Of course, the first antenna port may also use the inactive portion of the bandwidth for signal transmission.
In this embodiment of the present disclosure, the first network-side device and the second network-side device may be the same device or different devices. When the first network-side device and the second network-side device are different devices, the first network-side device and the second network-side device may be network devices in the same cell, for example, devices corresponding to different Transmission and Reception Points (TRPs) in the same serving cell, or devices corresponding to different antenna panels in the same serving cell; or may be network side equipment in different cells.
The first network side device and the network side device in step 301 may be the same device or different devices.
Illustratively, the network side device in step 301 may be a location management function entity (sending the configuration information through LPP message), or a network side device in a serving cell of the terminal (such as a base station, sending the configuration information through system message or RRC message).
For example, the first network-side device may be a network-side device in a serving cell of the terminal, or a network-side device in a neighboring cell of the serving cell of the terminal.
For example, the second network-side device may be a network-side device in a serving cell of the terminal, or a network-side device in a neighboring cell of the serving cell of the terminal.
Fig. 5 is a schematic diagram illustrating a structure of a communication device according to an exemplary embodiment. The device is shown in fig. 5 of a terminal for implementing the method embodiment, and the device comprises: a determination module 401, a first transmission module 402 and a second transmission module 403.
The determining module 401 is configured to determine a first antenna port and a second antenna port in the terminal, where the first antenna port and the second antenna port are different antenna ports;
a first transmission module 402, configured to perform positioning reference signal transmission with a first network-side device using the first antenna port;
a second transmission module 403, configured to perform uplink and downlink data transmission with a second network side device by using the second antenna port when transmitting the positioning-purpose reference signal.
Optionally, the determining module 401 is configured to determine the first antenna port in the terminal based on configuration information, protocol definition, or local storage; and taking other antenna ports except the first antenna port in the terminal as the second antenna port.
Optionally, the configuration information includes an index of the first antenna port, or the configuration information includes a reference signal or a reference signal set index transmitted through the first antenna port.
Optionally, the first transmitting module 402 is configured to perform the positioning reference signal transmission with the first network-side device by using the first antenna port within a measurement interval.
Optionally, the determining module 401 is further configured to determine the measurement interval.
Optionally, the apparatus further comprises: a receiving module 404, configured to receive measurement interval configuration information and/or a time domain resource location of the positioning reference signal, where the measurement interval configuration information is used to indicate a location of a measurement interval in each period, and the time domain resource location of the positioning reference signal is used to indicate a time unit used for transmitting the positioning reference signal;
a determining module 401, further configured to determine the measurement interval based on the measurement interval configuration information and/or a time domain resource location of the positioning use reference signal.
Optionally, the receiving module 404 is configured to receive at least one of a system message, an RRC message, and an LPP message, where the system message, the RRC message, or the LPP message carries the measurement interval configuration information and/or the time domain resource location of the positioning purpose reference signal.
Optionally, the number of first antenna ports in the terminal is greater than 1, and the measurement intervals corresponding to different first antenna ports are the same or different.
Optionally, the second transmission module 403 is configured to receive, by using the second antenna port, a synchronization signal block, a physical downlink control channel, a physical downlink shared channel, a non-zero power channel state information reference signal and/or a positioning reference signal sent by the second network side device;
or, the second transmission module 403 is configured to transmit a physical uplink control channel, a physical uplink shared channel, a physical random access channel, and/or a sounding reference signal to the second network side device by using the second antenna port.
Optionally, the subcarrier spacing of the bandwidth part used by the first antenna port is different from the subcarrier spacing of the bandwidth part used by the second antenna port.
Fig. 6 is a schematic diagram illustrating a structure of a communication device according to an exemplary embodiment. The device has the function of realizing the network side equipment in the method embodiment, and the function can be realized by hardware or by executing corresponding software by hardware. As shown in fig. 6, the apparatus includes: a sending module 501.
The sending module 501 is configured to send configuration information, where the configuration information is used to indicate a first antenna port and a second antenna port in a terminal, the first antenna port and the second antenna port are different antenna ports, and the terminal is configured to perform positioning purpose reference signal transmission by using the first antenna port and a first network side device, and perform uplink and downlink data transmission by using the second antenna port and a second network side device when transmitting the positioning purpose reference signal.
Optionally, the configuration information includes an index of the first antenna port, or the configuration information includes a reference signal or a reference signal set index transmitted through the first antenna port.
Optionally, the apparatus further comprises: a first transmission module 502 configured to perform positioning purpose reference signal transmission with a terminal, the positioning purpose reference signal being transmitted by the terminal through a first antenna port.
Optionally, the first transmitting module 502 is configured to perform the positioning reference signal transmission with the terminal within a measurement interval.
Optionally, the sending module 501 is further configured to send, to the terminal, measurement interval configuration information and/or a time domain resource location of the positioning use reference signal, where the measurement interval configuration information is used to indicate a location of a measurement interval in each period, and the time domain resource location of the positioning use reference signal is used to indicate a time unit used for transmitting the positioning use reference signal.
Optionally, the sending module 501 is configured to send at least one of a system message, an RRC message, and an LPP message, where the system message, the RRC message, or the LPP message carries the measurement interval configuration information and/or the time domain resource location of the positioning purpose reference signal.
Optionally, the apparatus further comprises: a second transmission module 503, configured to perform uplink and downlink data transmission with the terminal, where the uplink and downlink data are transmitted by the terminal through a second antenna port.
Optionally, the second transmission module 503 is configured to transmit a synchronization signal block, a physical downlink control channel, a physical downlink shared channel, a non-zero power channel state information reference signal and/or a positioning reference signal to the terminal;
or, the second transmission module 503 is configured to receive a physical uplink control channel, a physical uplink shared channel, a physical random access channel, and/or a sounding reference signal sent by the terminal.
Fig. 7 is a block diagram illustrating a terminal 600 according to an example embodiment, where the terminal 600 may include: a processor 601, a receiver 602, a transmitter 603, a memory 604, and a bus 605.
The processor 601 includes one or more processing cores, and the processor 601 executes various functional applications and information processing by running software programs and modules.
The receiver 602 and the transmitter 603 may be implemented as one communication component, which may be a communication chip.
The memory 604 is coupled to the processor 601 by a bus 605.
The memory 604 may be used to store at least one instruction that the processor 601 is configured to execute to implement the various steps in the above-described method embodiments.
Further, memory 604 may be implemented by any type or combination of volatile or non-volatile storage devices, including, but not limited to: magnetic or optical disks, electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), Static Random Access Memory (SRAM), read-only memory (ROM), magnetic memory, flash memory, programmable read-only memory (PROM).
In an exemplary embodiment, a computer readable storage medium is further provided, in which at least one instruction, at least one program, code set, or instruction set is stored, which is loaded and executed by the processor to implement the communication method provided by the above-mentioned various method embodiments.
Fig. 8 is a block diagram illustrating a network-side device 700 according to an example embodiment, where the network-side device 700 may include: a processor 701, a receiver 702, a transmitter 703, and a memory 704. The receiver 702, the transmitter 703 and the memory 704 are connected to the processor 701 through a bus, respectively.
The processor 701 includes one or more processing cores, and the processor 701 executes a software program and a module to execute a method executed by a network side device in the communication method provided by the embodiment of the present disclosure. Memory 704 may be used to store software programs and modules. In particular, memory 704 may store an operating system 7041, and application modules 7042 as required by at least one function. The receiver 702 is configured to receive communication data sent by other devices, and the transmitter 703 is configured to send communication data to other devices.
In an exemplary embodiment, a computer readable storage medium is further provided, in which at least one instruction, at least one program, code set, or instruction set is stored, which is loaded and executed by the processor to implement the communication method provided by the above-mentioned various method embodiments.
An exemplary embodiment of the present disclosure further provides an uplink transmission system, where the uplink transmission system includes a terminal and a network side device. The terminal is the terminal provided in the embodiment shown in fig. 7. The network side device is the network side device provided in the embodiment shown in fig. 8.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (21)
1. A method of communication, the method comprising:
the method comprises the steps that a terminal determines a first antenna port and a second antenna port in the terminal, wherein the first antenna port and the second antenna port are different antenna ports;
the terminal adopts the first antenna port and first network side equipment to transmit a positioning purpose reference signal in a measurement interval, and controls the first antenna port to be switched to uplink and downlink data transmission outside the measurement interval;
and when the terminal transmits the positioning purpose reference signal, the second antenna port and second network side equipment are adopted to perform uplink and downlink data transmission, the second antenna port is used for ensuring that the uplink and downlink data transmission of the terminal is not interrupted, and the subcarrier interval of the bandwidth part used by the first antenna port is different from the subcarrier interval of the bandwidth part used by the second antenna port.
2. The method of claim 1, wherein the determining the first antenna port and the second antenna port in the terminal comprises:
determining a first antenna port in the terminal based on configuration information, protocol definition or local storage;
and taking other antenna ports except the first antenna port in the terminal as the second antenna port.
3. The method of claim 2, wherein the configuration information comprises an index of the first antenna port, or wherein the configuration information comprises a reference signal or reference signal set index transmitted through the first antenna port.
4. The method of claim 1, further comprising:
determining the measurement interval.
5. The method of claim 4, wherein the determining the measurement interval comprises:
receiving measurement interval configuration information and/or a time domain resource position of the positioning use reference signal, wherein the measurement interval configuration information is used for indicating a position of a measurement interval in each period, and the time domain resource position of the positioning use reference signal is used for indicating a time unit used for transmitting the positioning use reference signal;
determining the measurement interval based on the measurement interval configuration information and/or a time domain resource location of the positioning use reference signal.
6. The method as claimed in claim 5, wherein said receiving measurement interval configuration information and/or time domain resource location of said positioning use reference signal comprises:
receiving at least one of a system message, a radio resource control message and an LTE positioning protocol message, where the system message, the radio resource control message or the LTE positioning protocol message carries the measurement interval configuration information and/or the time domain resource location of the positioning purpose reference signal.
7. The method according to claim 1, wherein the number of first antenna ports in the terminal is greater than 1, and the measurement intervals corresponding to different first antenna ports are the same or different.
8. The method according to any one of claims 1 to 7, wherein the performing, with the second network-side device, uplink and downlink data transmission by using the second antenna port includes:
receiving, by using the second antenna port, a synchronization signal block, a physical downlink control channel, a physical downlink shared channel, a non-zero power channel state information reference signal and/or a positioning reference signal sent by the second network side device;
or, the performing, by using the second antenna port, uplink and downlink data transmission with the second network side device includes:
and sending a physical uplink control channel, a physical uplink shared channel, a physical random access channel and/or a sounding reference signal to the second network side equipment by adopting the second antenna port.
9. A method of communication, the method comprising:
the network side equipment sends configuration information, the configuration information is used for indicating a first antenna port and a second antenna port in the terminal, the first antenna port and the second antenna port are different antenna ports, the terminal is configured to perform positioning purpose reference signal transmission with a first network side device by using the first antenna port in a measurement interval, outside the measurement interval, controlling the first antenna port to switch to uplink and downlink data transmission, and when transmitting the positioning purpose reference signal, adopting the second antenna port to perform uplink and downlink data transmission with a second network side device, the second antenna port is configured to ensure that uplink and downlink data transmission of the terminal is not interrupted, and a subcarrier interval of a bandwidth portion used by the first antenna port is different from a subcarrier interval of a bandwidth portion used by the second antenna port.
10. The method of claim 9, wherein the configuration information comprises an index of the first antenna port, or wherein the configuration information comprises a reference signal or reference signal set index transmitted through the first antenna port.
11. The method of claim 9, further comprising:
and transmitting a positioning purpose reference signal with the terminal, wherein the positioning purpose reference signal is transmitted by the terminal through a first antenna port.
12. The method of claim 11, wherein the performing positioning reference signal transmission with the terminal comprises:
and transmitting the positioning purpose reference signal with the terminal in a measurement interval.
13. The method of claim 12, further comprising:
and sending measurement interval configuration information and/or a time domain resource position of the positioning purpose reference signal to the terminal, wherein the measurement interval configuration information is used for indicating the position of a measurement interval in each period, and the time domain resource position of the positioning purpose reference signal is used for indicating a time unit used for transmitting the positioning purpose reference signal.
14. The method of claim 13, wherein sending measurement interval configuration information and/or a time domain resource location of the positioning reference signal to the terminal comprises:
and sending at least one of a system message, a radio resource control message and an LTE positioning protocol message, wherein the system message, the radio resource control message or the LTE positioning protocol message carries the measurement interval configuration information and/or the time domain resource position of the positioning purpose reference signal.
15. The method according to any one of claims 9 to 14, further comprising:
and carrying out uplink and downlink data transmission with the terminal, wherein the uplink and downlink data are transmitted by the terminal through a second antenna port.
16. The method of claim 15, wherein the performing uplink and downlink data transmission with the terminal comprises:
sending a synchronization signal block, a physical downlink control channel, a physical downlink shared channel, a non-zero power channel state information reference signal and/or a positioning reference signal to the terminal;
or, performing uplink and downlink data transmission with the terminal, including:
and receiving a physical uplink control channel, a physical uplink shared channel, a physical random access channel and/or a sounding reference signal sent by the terminal.
17. A communications apparatus, the apparatus comprising:
a determining module configured to determine a first antenna port and a second antenna port in a terminal, the first antenna port and the second antenna port being different antenna ports;
a first transmission module, configured to perform positioning purpose reference signal transmission with a first network side device by using the first antenna port in a measurement interval, and control the first antenna port to switch to uplink and downlink data transmission outside the measurement interval;
a second transmission module, configured to perform uplink and downlink data transmission with a second network-side device by using the second antenna port when transmitting the positioning-purpose reference signal, where the second antenna port is used to ensure that uplink and downlink data transmission of the terminal is not interrupted, and a subcarrier interval of a bandwidth portion used by the first antenna port is different from a subcarrier interval of a bandwidth portion used by the second antenna port.
18. A communications apparatus, the apparatus comprising:
a transmitting module configured to transmit configuration information indicating a first antenna port and a second antenna port in a terminal, the first antenna port and the second antenna port are different antenna ports, the terminal is configured to perform positioning purpose reference signal transmission with a first network side device by using the first antenna port in a measurement interval, outside the measurement interval, controlling the first antenna port to switch to uplink and downlink data transmission, and when transmitting the positioning purpose reference signal, adopting the second antenna port to perform uplink and downlink data transmission with a second network side device, the second antenna port is configured to ensure that uplink and downlink data transmission of the terminal is not interrupted, and a subcarrier interval of a bandwidth portion used by the first antenna port is different from a subcarrier interval of a bandwidth portion used by the second antenna port.
19. A terminal, characterized in that the terminal device comprises:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to load and execute the executable instructions to implement the communication method of any of claims 1 to 8.
20. A network side device, wherein the network side device comprises:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to load and execute the executable instructions to implement the communication method of any of claims 9 to 16.
21. A computer-readable storage medium, wherein instructions in the computer-readable storage medium, when executed by a processor, are capable of performing the communication method of any one of claims 1 to 8 or of performing the communication method of any one of claims 9 to 16.
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| PCT/CN2020/094003 WO2021243578A1 (en) | 2020-06-02 | 2020-06-02 | Communication method, apparatus, network side device, terminal, and storage medium |
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| CN115119256A (en) * | 2021-03-18 | 2022-09-27 | 维沃移动通信有限公司 | Time error group indication method, device, terminal and network side equipment |
| CN116074857A (en) * | 2021-11-01 | 2023-05-05 | 中国电信股份有限公司 | Positioning measurement method, device, equipment and medium in wireless communication network scene |
| WO2023130421A1 (en) * | 2022-01-10 | 2023-07-13 | Qualcomm Incorporated | Uplink switching for concurrent transmissions |
| CN114787660A (en) * | 2022-03-11 | 2022-07-22 | 北京小米移动软件有限公司 | Carrier phase positioning method and device |
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| CN110176940A (en) * | 2019-06-14 | 2019-08-27 | Oppo广东移动通信有限公司 | Radio circuit and electronic equipment |
| WO2019164762A1 (en) * | 2018-02-20 | 2019-08-29 | Qualcomm Incorporated | Transmission gap configuration |
| CN110224706A (en) * | 2019-06-14 | 2019-09-10 | Oppo广东移动通信有限公司 | Radio circuit and electronic equipment |
| CN110233656A (en) * | 2019-06-14 | 2019-09-13 | Oppo广东移动通信有限公司 | Antenna application method, radio circuit and electronic equipment |
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| WO2019164762A1 (en) * | 2018-02-20 | 2019-08-29 | Qualcomm Incorporated | Transmission gap configuration |
| CN110176940A (en) * | 2019-06-14 | 2019-08-27 | Oppo广东移动通信有限公司 | Radio circuit and electronic equipment |
| CN110224706A (en) * | 2019-06-14 | 2019-09-10 | Oppo广东移动通信有限公司 | Radio circuit and electronic equipment |
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